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Author SHA1 Message Date
Zachary Yedidia
8c403655a7 First attempt at resizable panes 2017-09-13 10:49:12 -04:00
381 changed files with 19924 additions and 29482 deletions

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@ -1,7 +0,0 @@
# See http://editorconfig.org
# In Go files we indent with tabs but still
# set indent_size to control the GitHub web viewer.
[*.go]
indent_size=4

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@ -2,7 +2,7 @@
## Specifications
<!-- You can use `micro -version` to get the commit hash. -->
You can use `micro -version` to get the commit hash.
Commit hash:
OS:

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@ -1,22 +0,0 @@
on: [push, pull_request]
name: Build and Test
jobs:
test:
strategy:
matrix:
go-version: [1.19.x]
os: [ubuntu-latest, macos-latest, windows-latest]
runs-on: ${{ matrix.os }}
steps:
- uses: actions/setup-go@v3
with:
go-version: ${{ matrix.go-version }}
- uses: actions/checkout@v3
- name: Build
run: |
make build
- name: Test
run: |
make test

10
.gitignore vendored
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@ -7,13 +7,3 @@ tmp.sh
test/
.idea/
packages/
todo.txt
test.txt
log.txt
*.old
benchmark_results*
tools/build-version
tools/build-date
tools/info-plist
tools/vscode-tests/
*.hdr

57
.gitmodules vendored Normal file
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@ -0,0 +1,57 @@
[submodule "cmd/micro/vendor/github.com/blang/semver"]
path = cmd/micro/vendor/github.com/blang/semver
url = https://github.com/blang/semver
[submodule "cmd/micro/vendor/github.com/dustin/go-humanize"]
path = cmd/micro/vendor/github.com/dustin/go-humanize
url = https://github.com/dustin/go-humanize
[submodule "cmd/micro/vendor/github.com/go-errors/errors"]
path = cmd/micro/vendor/github.com/go-errors/errors
url = https://github.com/go-errors/errors
[submodule "cmd/micro/vendor/github.com/mattn/go-isatty"]
path = cmd/micro/vendor/github.com/mattn/go-isatty
url = https://github.com/mattn/go-isatty
[submodule "cmd/micro/vendor/github.com/mattn/go-runewidth"]
path = cmd/micro/vendor/github.com/mattn/go-runewidth
url = https://github.com/mattn/go-runewidth
[submodule "cmd/micro/vendor/github.com/mitchellh/go-homedir"]
path = cmd/micro/vendor/github.com/mitchellh/go-homedir
url = https://github.com/mitchellh/go-homedir
[submodule "cmd/micro/vendor/github.com/sergi/go-diff"]
path = cmd/micro/vendor/github.com/sergi/go-diff
url = https://github.com/sergi/go-diff
[submodule "cmd/micro/vendor/github.com/yuin/gopher-lua"]
path = cmd/micro/vendor/github.com/yuin/gopher-lua
url = https://github.com/yuin/gopher-lua
[submodule "cmd/micro/vendor/golang.org/x/net"]
path = cmd/micro/vendor/golang.org/x/net
url = https://go.googlesource.com/net
[submodule "cmd/micro/vendor/github.com/zyedidia/clipboard"]
path = cmd/micro/vendor/github.com/zyedidia/clipboard
url = https://github.com/zyedidia/clipboard
[submodule "cmd/micro/vendor/github.com/zyedidia/glob"]
path = cmd/micro/vendor/github.com/zyedidia/glob
url = https://github.com/zyedidia/glob
[submodule "cmd/micro/vendor/github.com/zyedidia/tcell"]
path = cmd/micro/vendor/github.com/zyedidia/tcell
url = https://github.com/zyedidia/tcell
[submodule "cmd/micro/vendor/github.com/gdamore/encoding"]
path = cmd/micro/vendor/github.com/gdamore/encoding
url = https://github.com/gdamore/encoding
[submodule "cmd/micro/vendor/golang.org/x/text"]
path = cmd/micro/vendor/golang.org/x/text
url = https://go.googlesource.com/text
[submodule "cmd/micro/vendor/github.com/lucasb-eyer/go-colorful"]
path = cmd/micro/vendor/github.com/lucasb-eyer/go-colorful
url = https://github.com/lucasb-eyer/go-colorful
[submodule "cmd/micro/vendor/layeh.com/gopher-luar"]
path = cmd/micro/vendor/layeh.com/gopher-luar
url = https://github.com/layeh/gopher-luar
[submodule "cmd/micro/vendor/gopkg.in/yaml.v2"]
path = cmd/micro/vendor/gopkg.in/yaml.v2
url = https://gopkg.in/yaml.v2
[submodule "cmd/micro/vendor/github.com/zyedidia/poller"]
path = cmd/micro/vendor/github.com/zyedidia/poller
url = https://github.com/zyedidia/poller
[submodule "cmd/micro/vendor/github.com/flynn/json5"]
path = cmd/micro/vendor/github.com/flynn/json5
url = https://github.com/flynn/json5

2
.travis.yml Normal file
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@ -0,0 +1,2 @@
language: go
script: make test

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@ -1,6 +1,6 @@
MIT License
Copyright (c) 2016-2020: Zachary Yedidia, et al.
Copyright (c) 2016-2017: Zachary Yedidia, et al.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the

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@ -1,4 +1,4 @@
Third party libraries directly used by micro and their licenses
Third party libraries
================
github.com/golang/go/LICENSE
@ -58,6 +58,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
github.com/gdamore/encoding/LICENSE
================
@ -394,9 +395,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
github.com/atotto/clipboard/LICENSE
================
github.com/zyedidia/clipboard/LICENSE (fork)
github.com/zyedidia/clipboard/LICENSE
================
Copyright (c) 2013 Ato Araki. All rights reserved.
@ -428,9 +427,7 @@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
github.com/gdamore/tcell/LICENSE
================
github.com/zyedidia/tcell/LICENSE (fork)
github.com/zyedidia/tcell/LICENSE
================
@ -637,6 +634,70 @@ github.com/zyedidia/tcell/LICENSE (fork)
limitations under the License.
golang.org/x/net/LICENSE
================
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
golang.org/x/sys/LICENSE
================
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
golang.org/x/text/LICENSE
================
@ -1048,8 +1109,6 @@ Exhibit B - "Incompatible With Secondary Licenses" Notice
github.com/flynn/json5/LICENSE
================
github.com/zyedidia/json5/LICENSE (fork)
================
Decoder code based on package encoding/json from the Go language.
@ -1105,202 +1164,3 @@ IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
github.com/james4k/terminal/LICENSE
================
github.com/zyedidia/terminal/LICENSE (fork)
================
Copyright (C) 2013 James Gray
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without liitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and thismssion notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
github.com/kr/pty/License
================
github.com/zyedidia/pty/License (fork)
================
Copyright (c) 2011 Keith Rarick
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the
Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute,
sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall
be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
github.com/npat-efault/poller/LICENSE.txt
================
github.com/zyedidia/poller/LICENSE.txt (fork)
================
Copyright (c) 2014, Nick Patavalis (npat@efault.net)
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
github.com/zyedidia/glob
================
Glob is licensed under the MIT "Expat" License:
Copyright (c) 2016: Zachary Yedidia.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
github.com/dustin/go-humanize/LICENSE
================
Copyright (c) 2005-2008 Dustin Sallings <dustin@spy.net>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
<http://www.opensource.org/licenses/mit-license.php>
gopkg.in/yaml.v2/LICENSE
================
Copyright 2011-2016 Canonical Ltd.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
github.com/kballard/go-shellquote/LICENSE
===============
Copyright (C) 2014 Kevin Ballard
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
github.com/stretchr/testify
=================
MIT License
Copyright (c) 2012-2018 Mat Ryer and Tyler Bunnell
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@ -1,71 +1,49 @@
.PHONY: runtime build generate build-quick
.PHONY: runtime
VERSION = $(shell GOOS=$(shell go env GOHOSTOS) GOARCH=$(shell go env GOHOSTARCH) \
VERSION := $(shell GOOS=$(shell go env GOHOSTOS) GOARCH=$(shell go env GOHOSTARCH) \
go run tools/build-version.go)
HASH = $(shell git rev-parse --short HEAD)
DATE = $(shell GOOS=$(shell go env GOHOSTOS) GOARCH=$(shell go env GOHOSTARCH) \
HASH := $(shell git rev-parse --short HEAD)
DATE := $(shell GOOS=$(shell go env GOHOSTOS) GOARCH=$(shell go env GOHOSTARCH) \
go run tools/build-date.go)
ADDITIONAL_GO_LINKER_FLAGS = $(shell GOOS=$(shell go env GOHOSTOS) \
ADDITIONAL_GO_LINKER_FLAGS := $(shell GOOS=$(shell go env GOHOSTOS) \
GOARCH=$(shell go env GOHOSTARCH) \
go run tools/info-plist.go "$(shell go env GOOS)" "$(VERSION)")
go run tools/info-plist.go "$(VERSION)")
GOBIN ?= $(shell go env GOPATH)/bin
GOVARS = -X github.com/zyedidia/micro/v2/internal/util.Version=$(VERSION) -X github.com/zyedidia/micro/v2/internal/util.CommitHash=$(HASH) -X 'github.com/zyedidia/micro/v2/internal/util.CompileDate=$(DATE)'
DEBUGVAR = -X github.com/zyedidia/micro/v2/internal/util.Debug=ON
VSCODE_TESTS_BASE_URL = 'https://raw.githubusercontent.com/microsoft/vscode/e6a45f4242ebddb7aa9a229f85555e8a3bd987e2/src/vs/editor/test/common/model/'
build: generate build-quick
# Builds micro after checking dependencies but without updating the runtime
build: update
go build -ldflags "-s -w -X main.Version=$(VERSION) -X main.CommitHash=$(HASH) -X 'main.CompileDate=$(DATE)' $(ADDITIONAL_GO_LINKER_FLAGS)" ./cmd/micro
# Builds micro after building the runtime and checking dependencies
build-all: runtime build
# Builds micro without checking for dependencies
build-quick:
go build -trimpath -ldflags "-s -w $(GOVARS) $(ADDITIONAL_GO_LINKER_FLAGS)" ./cmd/micro
go build -ldflags "-s -w -X main.Version=$(VERSION) -X main.CommitHash=$(HASH) -X 'main.CompileDate=$(DATE)' $(ADDITIONAL_GO_LINKER_FLAGS)" ./cmd/micro
build-dbg:
go build -trimpath -ldflags "-s -w $(ADDITIONAL_GO_LINKER_FLAGS) $(DEBUGVAR)" ./cmd/micro
# Same as 'build' but installs to $GOBIN afterward
install: update
go install -ldflags "-s -w -X main.Version=$(VERSION) -X main.CommitHash=$(HASH) -X 'main.CompileDate=$(DATE)' $(ADDITIONAL_GO_LINKER_FLAGS)" ./cmd/micro
build-tags: fetch-tags generate
go build -trimpath -ldflags "-s -w $(GOVARS) $(ADDITIONAL_GO_LINKER_FLAGS)" ./cmd/micro
# Same as 'build-all' but installs to $GOBIN afterward
install-all: runtime install
build-all: build
# Same as 'build-quick' but installs to $GOBIN afterward
install-quick:
go install -ldflags "-s -w -X main.Version=$(VERSION) -X main.CommitHash=$(HASH) -X 'main.CompileDate=$(DATE)' $(ADDITIONAL_GO_LINKER_FLAGS)" ./cmd/micro
install: generate
go install -ldflags "-s -w $(GOVARS) $(ADDITIONAL_GO_LINKER_FLAGS)" ./cmd/micro
update:
git pull
git submodule update --init
install-all: install
fetch-tags:
git fetch --tags
generate:
GOOS=$(shell go env GOHOSTOS) GOARCH=$(shell go env GOHOSTARCH) go generate ./runtime
testgen:
mkdir -p tools/vscode-tests
cd tools/vscode-tests && \
curl --remote-name-all $(VSCODE_TESTS_BASE_URL){editableTextModelAuto,editableTextModel,model.line}.test.ts
tsc tools/vscode-tests/*.ts > /dev/null; true
go run tools/testgen.go tools/vscode-tests/*.js > buffer_generated_test.go
mv buffer_generated_test.go internal/buffer
gofmt -w internal/buffer/buffer_generated_test.go
# Builds the runtime
runtime:
go get -u github.com/jteeuwen/go-bindata/...
$(GOBIN)/go-bindata -nometadata -o runtime.go runtime/...
mv runtime.go cmd/micro
test:
go test ./internal/...
go test ./cmd/...
bench:
for i in 1 2 3; do \
go test -bench=. ./internal/...; \
done > benchmark_results
benchstat benchmark_results
bench-baseline:
for i in 1 2 3; do \
go test -bench=. ./internal/...; \
done > benchmark_results_baseline
bench-compare:
for i in 1 2 3; do \
go test -bench=. ./internal/...; \
done > benchmark_results
benchstat -alpha 0.15 benchmark_results_baseline benchmark_results
go test ./cmd/micro
clean:
rm -f micro

298
README.md
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@ -1,121 +1,75 @@
<img alt="micro logo" src="./assets/micro-logo-drop.svg" width="500px"/>
# ![Micro](./assets/logo.png)
![Test Workflow](https://github.com/zyedidia/micro/actions/workflows/test.yaml/badge.svg)
[![Build Status](https://travis-ci.org/zyedidia/micro.svg?branch=master)](https://travis-ci.org/zyedidia/micro)
[![Go Report Card](https://goreportcard.com/badge/github.com/zyedidia/micro)](https://goreportcard.com/report/github.com/zyedidia/micro)
[![Release](https://img.shields.io/github/release/zyedidia/micro.svg?label=Release)](https://github.com/zyedidia/micro/releases)
[![MIT License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/zyedidia/micro/blob/master/LICENSE)
[![Join the chat at https://gitter.im/zyedidia/micro](https://badges.gitter.im/zyedidia/micro.svg)](https://gitter.im/zyedidia/micro?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
[![Snap Status](https://snapcraft.io/micro/badge.svg)](https://snapcraft.io/micro)
[![MIT License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/zyedidia/micro/blob/master/LICENSE)
[![Snap Status](https://build.snapcraft.io/badge/zyedidia/micro.svg)](https://build.snapcraft.io/user/zyedidia/micro)
**micro** is a terminal-based text editor that aims to be easy to use and intuitive, while also taking advantage of the capabilities
of modern terminals. It comes as a single, batteries-included, static binary with no dependencies; you can download and use it right now!
Micro is a terminal-based text editor that aims to be easy to use and intuitive, while also taking advantage of the full capabilities
of modern terminals. It comes as one single, batteries-included, static binary with no dependencies, and you can download and use it right now.
As its name indicates, micro aims to be somewhat of a successor to the nano editor by being easy to install and use.
It strives to be enjoyable as a full-time editor for people who prefer to work in a terminal, or those who regularly edit files over SSH.
As the name indicates, micro aims to be somewhat of a successor to the nano editor by being easy to install and use in a pinch, but micro also aims to be
enjoyable to use full time, whether you work in the terminal because you prefer it (like me), or because you need to (over ssh).
Here is a picture of micro editing its source code.
![Screenshot](./assets/micro-solarized.png)
To see more screenshots of micro, showcasing some of the default color schemes, see [here](https://micro-editor.github.io).
To see more screenshots of micro, showcasing all of the default colorschemes, see [here](http://zbyedidia.webfactional.com/micro/screenshots.html).
You can also check out the website for Micro at https://micro-editor.github.io.
## Table of Contents
# Features
- [Features](#features)
- [Installation](#installation)
- [Prebuilt binaries](#pre-built-binaries)
- [Package Managers](#package-managers)
- [Building from source](#building-from-source)
- [Fully static binary](#fully-static-binary)
- [macOS terminal](#macos-terminal)
- [Linux clipboard support](#linux-clipboard-support)
- [Colors and syntax highlighting](#colors-and-syntax-highlighting)
- [Cygwin, Mingw, Plan9](#cygwin-mingw-plan9)
- [Usage](#usage)
- [Documentation and Help](#documentation-and-help)
- [Contributing](#contributing)
* Easy to use and to install
* No dependencies or external files are needed -- just the binary you can download further down the page
* Multiple cursors
* Common keybindings (ctrl-s, ctrl-c, ctrl-v, ctrl-z...)
* Keybindings can be rebound to your liking
* Sane defaults
* You shouldn't have to configure much out of the box (and it is extremely easy to configure)
* Splits and tabs
* Extremely good mouse support
* This means mouse dragging to create a selection, double click to select by word, and triple click to select by line
* Cross platform (It should work on all the platforms Go runs on)
* Note that while Windows is supported, there are still some bugs that need to be worked out
* Plugin system (plugins are written in Lua)
* Micro has a built-in plugin manager to automatically install, remove, and update all your plugins
* Persistent undo
* Automatic linting and error notifications
* Syntax highlighting (for over [90 languages](runtime/syntax)!)
* Colorscheme support
* By default, micro comes with 16, 256, and true color themes.
* True color support (set the `MICRO_TRUECOLOR` env variable to 1 to enable it)
* Snippets
* The snippet plugin can be installed with `> plugin install snippets`
* Copy and paste with the system clipboard
* Small and simple
* Easily configurable
* Macros
* Common editor things such as undo/redo, line numbers, Unicode support, softwrap...
- - -
Although not yet implemented, I hope to add more features such as autocompletion ([#174](https://github.com/zyedidia/micro/issues/174)), and multiple cursors ([#5](https://github.com/zyedidia/micro/issues/5)) in the future.
## Features
- Easy to use and install.
- No dependencies or external files are needed — just the binary you can download further down the page.
- Multiple cursors.
- Common keybindings (<kbd>Ctrl-s</kbd>, <kbd>Ctrl-c</kbd>, <kbd>Ctrl-v</kbd>, <kbd>Ctrl-z</kbd>, …).
- Keybindings can be rebound to your liking.
- Sane defaults.
- You shouldn't have to configure much out of the box (and it is extremely easy to configure).
- Splits and tabs.
- nano-like menu to help you remember the keybindings.
- Extremely good mouse support.
- This means mouse dragging to create a selection, double click to select by word, and triple click to select by line.
- Cross-platform (it should work on all the platforms Go runs on).
- Note that while Windows is supported, Mingw/Cygwin is not (see below).
- Plugin system (plugins are written in Lua).
- micro has a built-in plugin manager to automatically install, remove, and update plugins.
- Built-in diff gutter.
- Simple autocompletion.
- Persistent undo.
- Automatic linting and error notifications.
- Syntax highlighting for over [130 languages](runtime/syntax).
- Color scheme support.
- By default, micro comes with 16, 256, and true color themes.
- True color support (set the `MICRO_TRUECOLOR` environment variable to 1 to enable it).
- Copy and paste with the system clipboard.
- Small and simple.
- Easily configurable.
- Macros.
- Smart highlighting of trailing whitespace and tab vs space errors.
- Common editor features such as undo/redo, line numbers, Unicode support, soft wrapping, …
## Installation
# Installation
To install micro, you can download a [prebuilt binary](https://github.com/zyedidia/micro/releases), or you can build it from source.
If you want more information about ways to install micro, see this [wiki page](https://github.com/zyedidia/micro/wiki/Installing-Micro).
Use `micro -version` to get the version information after installing. It is only guaranteed that you are installing the most recent
stable version if you install from the prebuilt binaries, Homebrew, or Snap.
### Prebuilt binaries
A desktop entry file and man page can be found in the [assets/packaging](https://github.com/zyedidia/micro/tree/master/assets/packaging) directory.
All you need to install micro is one file, the binary itself. It's as simple as that!
### Pre-built binaries
Download the binary from the [releases](https://github.com/zyedidia/micro/releases) page.
Pre-built binaries are distributed in [releases](https://github.com/zyedidia/micro/releases).
On that page you'll see the nightly release, which contains binaries for micro which are built every night,
and you'll see all the stable releases with the corresponding binaries.
To uninstall micro, simply remove the binary, and the configuration directory at `~/.config/micro`.
If you'd like to see more information after installing micro, run `micro -version`.
#### Quick-install script
```bash
curl https://getmic.ro | bash
```
The script will place the micro binary in the current directory. From there, you can move it to a directory on your path of your choosing (e.g. `sudo mv micro /usr/bin`). See its [GitHub repository](https://github.com/benweissmann/getmic.ro) for more information.
#### Eget
With [Eget](https://github.com/zyedidia/eget) installed, you can easily get a pre-built binary:
```
eget zyedidia/micro
```
Use `--tag VERSION` to download a specific tagged version.
```
eget --tag nightly zyedidia/micro # download the nightly version (compiled every day at midnight UTC)
eget --tag v2.0.8 zyedidia/micro # download version 2.0.8 rather than the latest release
```
You can install `micro` by adding `--to /usr/local/bin` to the `eget` command, or move the binary manually to a directory on your `$PATH` after the download completes.
See [Eget](https://github.com/zyedidia/eget) for more information.
### Package managers
### Package Managers
You can install micro using Homebrew on Mac:
@ -123,134 +77,86 @@ You can install micro using Homebrew on Mac:
brew install micro
```
**Note for Mac:** All micro keybindings use the control or alt (option) key, not the command
key. By default, macOS terminals do not forward alt key events. To fix this, please see
the section on [macOS terminals](https://github.com/zyedidia/micro#macos-terminal) further below.
On Windows, you can install micro through [Chocolatey](https://chocolatey.org/) or [Scoop](https://github.com/lukesampson/scoop):
```
choco install micro
```
or
```
scoop install micro
```
On Linux, you can install micro through [snap](https://snapcraft.io/docs/core/install)
```
snap install micro --classic
snap install micro --edge --classic
```
Micro is also available through other package managers on Linux such as dnf, AUR, Nix, and package managers
for other operating systems. These packages are not guaranteed to be up-to-date.
<!-- * `apt install micro` (Ubuntu 20.04 `focal`, and Debian `unstable | testing | buster-backports`). At the moment, this package (2.0.1-1) is outdated and has a known bug where debug mode is enabled. -->
* Linux: Available in distro-specific package managers.
* `dnf install micro` (Fedora).
* `apt install micro` (Ubuntu and Debian).
* `pacman -S micro` (Arch Linux).
* `emerge app-editors/micro` (Gentoo).
* `zypper install micro-editor` (SUSE)
* `eopkg install micro` (Solus).
* `pacstall -I micro` (Pacstall).
* See [wiki](https://github.com/zyedidia/micro/wiki/Installing-Micro) for details about CRUX, Termux.
* Windows: [Chocolatey](https://chocolatey.org) and [Scoop](https://github.com/lukesampson/scoop).
* `choco install micro`.
* `scoop install micro`.
* OpenBSD: Available in the ports tree and also available as a binary package.
* `pkd_add -v micro`.
* NetBSD, macOS, Linux, Illumos, etc. with [pkgsrc](http://www.pkgsrc.org/)-current:
* `pkg_add micro`
* macOS with [MacPorts](https://www.macports.org):
* `sudo port install micro`
**Note for Linux desktop environments:**
For interfacing with the local system clipboard, the following tools need to be installed:
* For X11, `xclip` or `xsel`
* For [Wayland](https://wayland.freedesktop.org/), `wl-clipboard`
Without these tools installed, micro will use an internal clipboard for copy and paste, but it won't be accessible to external applications.
### Building from source
If your operating system does not have a binary release, but does run Go, you can build from source.
Make sure that you have Go version 1.16 or greater and Go modules are enabled.
Make sure that you have Go version 1.5 or greater (Go 1.4 will work if your version supports CGO) and that your `GOPATH` env variable is set (I recommand setting it to `~/go` if you don't have one).
```
git clone https://github.com/zyedidia/micro
cd micro
make build
sudo mv micro /usr/local/bin # optional
go get -d github.com/zyedidia/micro/cmd/micro
cd $GOPATH/src/github.com/zyedidia/micro
make install
```
The binary will be placed in the current directory and can be moved to
anywhere you like (for example `/usr/local/bin`).
The binary will then be installed to `$GOPATH/bin` (or your `$GOBIN`).
The command `make install` will install the binary to `$GOPATH/bin` or `$GOBIN`.
Please make sure that when you are working with micro's code, you are working on your `GOPATH`.
You can install directly with `go get` (`go get github.com/zyedidia/micro/cmd/micro`) but this isn't
recommended because it doesn't build micro with version information (necessary for the plugin manager),
and doesn't disable debug mode.
You can install directly with `go get` (`go get -u github.com/zyedidia/micro/cmd/micro`) but this isn't recommended because it doesn't build micro with version information which is useful for the plugin manager.
### Fully static binary
### MacOS terminal
By default, the micro binary will dynamically link with core system libraries (this is generally
recommended for security and portability). However, there is a fully static prebuilt binary that
is provided for amd64 as `linux-static.tar.gz`, and to build a fully static binary from source, run
If you are using MacOS, you should consider using [iTerm2](http://iterm2.com/) instead of the default Mac terminal. The iTerm2 terminal has much better mouse support as well as better handling of key events. The newest versions also support true color.
```
CGO_ENABLED=0 make build
### Linux clipboard support
On Linux, clipboard support requires the 'xclip' or 'xsel' commands to be installed.
For Ubuntu:
```sh
sudo apt-get install xclip
```
### macOS terminal
If you are using macOS, you should consider using [iTerm2](http://iterm2.com/) instead of the default terminal (Terminal.app). The iTerm2 terminal has much better mouse support as well as better handling of key events. For best keybinding behavior, choose `xterm defaults` under `Preferences->Profiles->Keys->Presets...`, and select `Esc+` for `Left Option Key` in the same menu. The newest versions also support true color.
If you still insist on using the default Mac terminal, be sure to set `Use Option key as Meta key` under
`Preferences->Profiles->Keyboard` to use <kbd>option</kbd> as <kbd>alt</kbd>.
### WSL and Windows Console
If you use micro within WSL, it is highly recommended that you use the [Windows
Terminal](https://apps.microsoft.com/store/detail/windows-terminal/9N0DX20HK701?hl=en-us&gl=us)
instead of the default Windows Console.
If you must use Windows Console for some reason, note that there is a bug in
Windows Console WSL that causes a font change whenever micro tries to access
the external clipboard via powershell. To fix this, use an internal clipboard
with `set clipboard internal` (though your system clipboard will no longer be
available in micro).
If you don't have xclip or xsel, micro will use an internal clipboard for copy and paste, but it won't work with external applications.
### Colors and syntax highlighting
If you open micro and it doesn't seem like syntax highlighting is working, this is probably because
you are using a terminal which does not support 256 color mode. Try changing the color scheme to `simple`
by pressing <kbd>Ctrl-e</kbd> in micro and typing `set colorscheme simple`.
you are using a terminal which does not support 256 color. Try changing the colorscheme to `simple`
by pressing CtrlE in micro and typing `set colorscheme simple`.
If you are using the default Ubuntu terminal, to enable 256 color mode make sure your `TERM` variable is set
If you are using the default Ubuntu terminal, to enable 256 make sure your `TERM` variable is set
to `xterm-256color`.
Many of the Windows terminals don't support more than 16 colors, which means
that micro's default color scheme won't look very good. You can either set
the color scheme to `simple`, or download and configure a better terminal emulator
than the Windows default.
that micro's default colorscheme won't look very good. You can either set
the colorscheme to `simple`, or download a better terminal emulator, like
mintty.
### Cygwin, Mingw, Plan9
### Plan9, Cygwin
Cygwin, Mingw, and Plan9 are unfortunately not officially supported. In Cygwin and Mingw, micro will often work when run using
the `winpty` utility:
```
winpty micro.exe ...
```
Micro uses the amazing [tcell library](https://github.com/gdamore/tcell), but this
Please note that micro uses the amazing [tcell library](https://github.com/gdamore/tcell), but this
means that micro is restricted to the platforms tcell supports. As a result, micro does not support
Plan9 or Cygwin (although this may change in the future). Micro also doesn't support NaCl (which is deprecated anyway).
Plan9, and Cygwin (although this may change in the future). Micro also doesn't support NaCl (but NaCl is deprecated anyways).
## Usage
# Usage
Once you have built the editor, start it by running `micro path/to/file.txt` or `micro` to open an empty buffer.
Once you have built the editor, simply start it by running `micro path/to/file.txt` or simply `micro` to open an empty buffer.
micro also supports creating buffers from `stdin`:
Micro also supports creating buffers from `stdin`:
```sh
ip a | micro
ifconfig | micro
```
You can move the cursor around with the arrow keys and mouse.
@ -259,30 +165,26 @@ You can also use the mouse to manipulate the text. Simply clicking and dragging
will select text. You can also double click to enable word selection, and triple
click to enable line selection.
## Documentation and Help
# Documentation and Help
micro has a built-in help system which you can access by pressing <kbd>Ctrl-e</kbd> and typing `help`. Additionally, you can
Micro has a built-in help system which you can access by pressing `Ctrl-E` and typing `help`. Additionally, you can
view the help files here:
- [main help](https://github.com/zyedidia/micro/tree/master/runtime/help/help.md)
- [keybindings](https://github.com/zyedidia/micro/tree/master/runtime/help/keybindings.md)
- [commands](https://github.com/zyedidia/micro/tree/master/runtime/help/commands.md)
- [colors](https://github.com/zyedidia/micro/tree/master/runtime/help/colors.md)
- [options](https://github.com/zyedidia/micro/tree/master/runtime/help/options.md)
- [plugins](https://github.com/zyedidia/micro/tree/master/runtime/help/plugins.md)
* [main help](https://github.com/zyedidia/micro/tree/master/runtime/help/help.md)
* [keybindings](https://github.com/zyedidia/micro/tree/master/runtime/help/keybindings.md)
* [commands](https://github.com/zyedidia/micro/tree/master/runtime/help/commands.md)
* [colors](https://github.com/zyedidia/micro/tree/master/runtime/help/colors.md)
* [options](https://github.com/zyedidia/micro/tree/master/runtime/help/options.md)
* [plugins](https://github.com/zyedidia/micro/tree/master/runtime/help/plugins.md)
I also recommend reading the [tutorial](https://github.com/zyedidia/micro/tree/master/runtime/help/tutorial.md) for
a brief introduction to the more powerful configuration features micro offers.
There is also an unofficial Discord, which you can join at https://discord.gg/nhWR6armnR.
## Contributing
# Contributing
If you find any bugs, please report them! I am also happy to accept pull requests from anyone.
You can use the [GitHub issue tracker](https://github.com/zyedidia/micro/issues)
to report bugs, ask questions, or suggest new features.
For a more informal setting to discuss the editor, you can join the [Gitter chat](https://gitter.im/zyedidia/micro) or the [Discord](https://discord.gg/nhWR6armnR). You can also use the [Discussions](https://github.com/zyedidia/micro/discussions) section on Github for a forum-like setting or for Q&A.
Sometimes I am unresponsive, and I apologize! If that happens, please ping me.
For a more informal setting to discuss the editor, you can join the [Gitter chat](https://gitter.im/zyedidia/micro).

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@ -1,9 +0,0 @@
#!/bin/sh
set -e
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
update-alternatives --install /usr/bin/editor editor /usr/bin/micro 40 \
--slave /usr/share/man/man1/editor.1 editor.1 \
/usr/share/man/man1/micro.1
fi

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@ -1,7 +0,0 @@
#!/bin/sh
set -e
if [ "$1" != "upgrade" ]; then
update-alternatives --remove editor /usr/bin/micro
fi

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@ -1,125 +0,0 @@
.TH micro 1 "2020-02-10"
.SH NAME
micro \- A modern and intuitive terminal-based text editor
.SH SYNOPSIS
.B micro
.RB [OPTIONS]
[FILE]\&...
.SH DESCRIPTION
Micro is a terminal-based text editor that aims to be easy to use and intuitive, while also taking advantage of the full capabilities
of modern terminals. It comes as one single, batteries-included, static binary with no dependencies.
As the name indicates, micro aims to be somewhat of a successor to the nano editor by being easy to install and use in a pinch, but micro also aims to be
enjoyable to use full time, whether you work in the terminal because you prefer it (like me), or because you need to (over ssh).
Use Ctrl-q to quit, Ctrl-s to save, and Ctrl-g to open the in-editor help menu.
.SH OPTIONS
.PP
\-clean
.RS 4
Cleans the configuration directory
.RE
.PP
\-config-dir dir
.RS 4
Specify a custom location for the configuration directory
.RE
.PP
[FILE]:LINE:COL
.RS 4
Specify a line and column to start the cursor at when opening a buffer
.RE
.PP
\-options
.RS 4
Show all option help
.RE
.PP
\-debug
.RS 4
Enable debug mode (enables logging to ./log.txt)
.RE
.PP
\-version
.RS 4
Show the version number and information
.RE
Micro's plugins can be managed at the command line with the following commands.
.RS 4
.PP
\-plugin remove [PLUGIN]...
.RS 4
Remove plugin(s)
.RE
.PP
\-plugin update [PLUGIN]...
.RS 4
Update plugin(s) (if no argument is given, updates all plugins)
.RE
.PP
\-plugin search [PLUGIN]...
.RS 4
Search for a plugin
.RE
.PP
\-plugin list
.RS 4
List installed plugins
.RE
.PP
\-plugin available
.RS 4
List available plugins
.RE
.RE
Micro's options can also be set via command line arguments for quick
adjustments. For real configuration, please use the settings.json
file (see 'help options').
.RS 4
.PP
\-option value
.RS 4
Set `option` to `value` for this session
For example: `micro -syntax off file.c`
.RE
.SH CONFIGURATION
Micro uses $MICRO_CONFIG_HOME as the configuration directory.
If this environment variable is not set, it uses $XDG_CONFIG_HOME/micro instead.
If that environment variable is not set, it uses ~/.config/micro as the configuration directory.
In the documentation, we use ~/.config/micro to refer to the configuration directory
(even if it may in fact be somewhere else if you have set either of the above environment variables).
.SH NOTICE
This manpage is intended only to serve as a quick guide to the invocation of
micro and is not intended to replace the full documentation included with micro
which can be accessed from within micro. Micro tells you what key combination to
press to get help in the lower right.
.SH BUGS
A comprehensive list of bugs will not be listed in this manpage. See the Github
page at \fBhttps://github.com/zyedidia/micro/issues\fP for a list of known bugs
and to report any newly encountered bugs you may find. We strive to correct
bugs as swiftly as possible.
.SH COPYRIGHT
Copyright \(co 2020 Zachary Yedidia, et al. MIT license.
See \fBhttps://github.com/zyedidia/micro\fP for details.

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@ -1,15 +0,0 @@
[Desktop Entry]
Name=Micro
GenericName=Text Editor
Comment=Edit text files in a terminal
Icon=micro
Type=Application
Categories=Utility;TextEditor;Development;
Keywords=text;editor;syntax;terminal;
Exec=micro %F
StartupNotify=false
Terminal=true
MimeType=text/plain;text/x-chdr;text/x-csrc;text/x-c++hdr;text/x-c++src;text/x-java;text/x-dsrc;text/x-pascal;text/x-perl;text/x-python;application/x-php;application/x-httpd-php3;application/x-httpd-php4;application/x-httpd-php5;application/xml;text/html;text/css;text/x-sql;text/x-diff;

2066
cmd/micro/actions.go Normal file

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@ -0,0 +1,9 @@
// +build android plan9 nacl windows
package main
func (v *View) Suspend(usePlugin bool) bool {
messenger.Error("Suspend is only supported on Linux")
return false
}

View file

@ -1,27 +1,37 @@
// +build linux darwin dragonfly solaris openbsd netbsd freebsd
package action
package main
import (
"syscall"
"github.com/zyedidia/micro/v2/internal/screen"
)
import "syscall"
// Suspend sends micro to the background. This is the same as pressing CtrlZ in most unix programs.
// This only works on linux and has no default binding.
// This code was adapted from the suspend code in nsf/godit
func (*BufPane) Suspend() bool {
screenb := screen.TempFini()
func (v *View) Suspend(usePlugin bool) bool {
if usePlugin && !PreActionCall("Suspend", v) {
return false
}
screenWasNil := screen == nil
if !screenWasNil {
screen.Fini()
screen = nil
}
// suspend the process
pid := syscall.Getpid()
err := syscall.Kill(pid, syscall.SIGSTOP)
if err != nil {
screen.TermMessage(err)
TermMessage(err)
}
screen.TempStart(screenb)
if !screenWasNil {
InitScreen()
}
return false
if usePlugin {
return PostActionCall("Suspend", v)
}
return true
}

196
cmd/micro/autocomplete.go Normal file
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@ -0,0 +1,196 @@
package main
import (
"io/ioutil"
"os"
"strings"
"github.com/mitchellh/go-homedir"
)
var pluginCompletions []func(string) []string
// This file is meant (for now) for autocompletion in command mode, not
// while coding. This helps micro autocomplete commands and then filenames
// for example with `vsplit filename`.
// FileComplete autocompletes filenames
func FileComplete(input string) (string, []string) {
var sep string = string(os.PathSeparator)
dirs := strings.Split(input, sep)
var files []os.FileInfo
var err error
if len(dirs) > 1 {
home, _ := homedir.Dir()
directories := strings.Join(dirs[:len(dirs)-1], sep) + sep
if strings.HasPrefix(directories, "~") {
directories = strings.Replace(directories, "~", home, 1)
}
files, err = ioutil.ReadDir(directories)
} else {
files, err = ioutil.ReadDir(".")
}
var suggestions []string
if err != nil {
return "", suggestions
}
for _, f := range files {
name := f.Name()
if f.IsDir() {
name += sep
}
if strings.HasPrefix(name, dirs[len(dirs)-1]) {
suggestions = append(suggestions, name)
}
}
var chosen string
if len(suggestions) == 1 {
if len(dirs) > 1 {
chosen = strings.Join(dirs[:len(dirs)-1], sep) + sep + suggestions[0]
} else {
chosen = suggestions[0]
}
} else {
if len(dirs) > 1 {
chosen = strings.Join(dirs[:len(dirs)-1], sep) + sep
}
}
return chosen, suggestions
}
// CommandComplete autocompletes commands
func CommandComplete(input string) (string, []string) {
var suggestions []string
for cmd := range commands {
if strings.HasPrefix(cmd, input) {
suggestions = append(suggestions, cmd)
}
}
var chosen string
if len(suggestions) == 1 {
chosen = suggestions[0]
}
return chosen, suggestions
}
// HelpComplete autocompletes help topics
func HelpComplete(input string) (string, []string) {
var suggestions []string
for _, file := range ListRuntimeFiles(RTHelp) {
topic := file.Name()
if strings.HasPrefix(topic, input) {
suggestions = append(suggestions, topic)
}
}
var chosen string
if len(suggestions) == 1 {
chosen = suggestions[0]
}
return chosen, suggestions
}
// ColorschemeComplete tab-completes names of colorschemes.
func ColorschemeComplete(input string) (string, []string) {
var suggestions []string
files := ListRuntimeFiles(RTColorscheme)
for _, f := range files {
if strings.HasPrefix(f.Name(), input) {
suggestions = append(suggestions, f.Name())
}
}
var chosen string
if len(suggestions) == 1 {
chosen = suggestions[0]
}
return chosen, suggestions
}
func contains(s []string, e string) bool {
for _, a := range s {
if a == e {
return true
}
}
return false
}
// OptionComplete autocompletes options
func OptionComplete(input string) (string, []string) {
var suggestions []string
localSettings := DefaultLocalSettings()
for option := range globalSettings {
if strings.HasPrefix(option, input) {
suggestions = append(suggestions, option)
}
}
for option := range localSettings {
if strings.HasPrefix(option, input) && !contains(suggestions, option) {
suggestions = append(suggestions, option)
}
}
var chosen string
if len(suggestions) == 1 {
chosen = suggestions[0]
}
return chosen, suggestions
}
// MakeCompletion registers a function from a plugin for autocomplete commands
func MakeCompletion(function string) Completion {
pluginCompletions = append(pluginCompletions, LuaFunctionComplete(function))
return Completion(-len(pluginCompletions))
}
// PluginComplete autocompletes from plugin function
func PluginComplete(complete Completion, input string) (chosen string, suggestions []string) {
idx := int(-complete) - 1
if len(pluginCompletions) <= idx {
return "", nil
}
suggestions = pluginCompletions[idx](input)
if len(suggestions) == 1 {
chosen = suggestions[0]
}
return
}
func PluginCmdComplete(input string) (chosen string, suggestions []string) {
for _, cmd := range []string{"install", "remove", "search", "update", "list"} {
if strings.HasPrefix(cmd, input) {
suggestions = append(suggestions, cmd)
}
}
if len(suggestions) == 1 {
chosen = suggestions[0]
}
return chosen, suggestions
}
func PluginNameComplete(input string) (chosen string, suggestions []string) {
for _, pp := range GetAllPluginPackages() {
if strings.HasPrefix(pp.Name, input) {
suggestions = append(suggestions, pp.Name)
}
}
if len(suggestions) == 1 {
chosen = suggestions[0]
}
return chosen, suggestions
}

532
cmd/micro/bindings.go Normal file
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@ -0,0 +1,532 @@
package main
import (
"io/ioutil"
"os"
"strings"
"github.com/flynn/json5"
"github.com/zyedidia/tcell"
)
var bindings map[Key][]func(*View, bool) bool
var mouseBindings map[Key][]func(*View, bool, *tcell.EventMouse) bool
var helpBinding string
var mouseBindingActions = map[string]func(*View, bool, *tcell.EventMouse) bool{
"MousePress": (*View).MousePress,
"MouseMultiCursor": (*View).MouseMultiCursor,
}
var bindingActions = map[string]func(*View, bool) bool{
"CursorUp": (*View).CursorUp,
"CursorDown": (*View).CursorDown,
"CursorPageUp": (*View).CursorPageUp,
"CursorPageDown": (*View).CursorPageDown,
"CursorLeft": (*View).CursorLeft,
"CursorRight": (*View).CursorRight,
"CursorStart": (*View).CursorStart,
"CursorEnd": (*View).CursorEnd,
"SelectToStart": (*View).SelectToStart,
"SelectToEnd": (*View).SelectToEnd,
"SelectUp": (*View).SelectUp,
"SelectDown": (*View).SelectDown,
"SelectLeft": (*View).SelectLeft,
"SelectRight": (*View).SelectRight,
"WordRight": (*View).WordRight,
"WordLeft": (*View).WordLeft,
"SelectWordRight": (*View).SelectWordRight,
"SelectWordLeft": (*View).SelectWordLeft,
"DeleteWordRight": (*View).DeleteWordRight,
"DeleteWordLeft": (*View).DeleteWordLeft,
"SelectToStartOfLine": (*View).SelectToStartOfLine,
"SelectToEndOfLine": (*View).SelectToEndOfLine,
"InsertNewline": (*View).InsertNewline,
"InsertSpace": (*View).InsertSpace,
"Backspace": (*View).Backspace,
"Delete": (*View).Delete,
"InsertTab": (*View).InsertTab,
"Save": (*View).Save,
"SaveAll": (*View).SaveAll,
"SaveAs": (*View).SaveAs,
"Find": (*View).Find,
"FindNext": (*View).FindNext,
"FindPrevious": (*View).FindPrevious,
"Center": (*View).Center,
"Undo": (*View).Undo,
"Redo": (*View).Redo,
"Copy": (*View).Copy,
"Cut": (*View).Cut,
"CutLine": (*View).CutLine,
"DuplicateLine": (*View).DuplicateLine,
"DeleteLine": (*View).DeleteLine,
"MoveLinesUp": (*View).MoveLinesUp,
"MoveLinesDown": (*View).MoveLinesDown,
"IndentSelection": (*View).IndentSelection,
"OutdentSelection": (*View).OutdentSelection,
"OutdentLine": (*View).OutdentLine,
"Paste": (*View).Paste,
"PastePrimary": (*View).PastePrimary,
"SelectAll": (*View).SelectAll,
"OpenFile": (*View).OpenFile,
"Start": (*View).Start,
"End": (*View).End,
"PageUp": (*View).PageUp,
"PageDown": (*View).PageDown,
"HalfPageUp": (*View).HalfPageUp,
"HalfPageDown": (*View).HalfPageDown,
"StartOfLine": (*View).StartOfLine,
"EndOfLine": (*View).EndOfLine,
"ToggleHelp": (*View).ToggleHelp,
"ToggleRuler": (*View).ToggleRuler,
"JumpLine": (*View).JumpLine,
"ClearStatus": (*View).ClearStatus,
"ShellMode": (*View).ShellMode,
"CommandMode": (*View).CommandMode,
"Escape": (*View).Escape,
"Quit": (*View).Quit,
"QuitAll": (*View).QuitAll,
"AddTab": (*View).AddTab,
"PreviousTab": (*View).PreviousTab,
"NextTab": (*View).NextTab,
"NextSplit": (*View).NextSplit,
"PreviousSplit": (*View).PreviousSplit,
"Unsplit": (*View).Unsplit,
"VSplit": (*View).VSplitBinding,
"HSplit": (*View).HSplitBinding,
"ToggleMacro": (*View).ToggleMacro,
"PlayMacro": (*View).PlayMacro,
"Suspend": (*View).Suspend,
"ScrollUp": (*View).ScrollUpAction,
"ScrollDown": (*View).ScrollDownAction,
"SpawnMultiCursor": (*View).SpawnMultiCursor,
"RemoveMultiCursor": (*View).RemoveMultiCursor,
"RemoveAllMultiCursors": (*View).RemoveAllMultiCursors,
"SkipMultiCursor": (*View).SkipMultiCursor,
// This was changed to InsertNewline but I don't want to break backwards compatibility
"InsertEnter": (*View).InsertNewline,
}
var bindingMouse = map[string]tcell.ButtonMask{
"MouseLeft": tcell.Button1,
"MouseMiddle": tcell.Button2,
"MouseRight": tcell.Button3,
"MouseWheelUp": tcell.WheelUp,
"MouseWheelDown": tcell.WheelDown,
"MouseWheelLeft": tcell.WheelLeft,
"MouseWheelRight": tcell.WheelRight,
}
var bindingKeys = map[string]tcell.Key{
"Up": tcell.KeyUp,
"Down": tcell.KeyDown,
"Right": tcell.KeyRight,
"Left": tcell.KeyLeft,
"UpLeft": tcell.KeyUpLeft,
"UpRight": tcell.KeyUpRight,
"DownLeft": tcell.KeyDownLeft,
"DownRight": tcell.KeyDownRight,
"Center": tcell.KeyCenter,
"PageUp": tcell.KeyPgUp,
"PageDown": tcell.KeyPgDn,
"Home": tcell.KeyHome,
"End": tcell.KeyEnd,
"Insert": tcell.KeyInsert,
"Delete": tcell.KeyDelete,
"Help": tcell.KeyHelp,
"Exit": tcell.KeyExit,
"Clear": tcell.KeyClear,
"Cancel": tcell.KeyCancel,
"Print": tcell.KeyPrint,
"Pause": tcell.KeyPause,
"Backtab": tcell.KeyBacktab,
"F1": tcell.KeyF1,
"F2": tcell.KeyF2,
"F3": tcell.KeyF3,
"F4": tcell.KeyF4,
"F5": tcell.KeyF5,
"F6": tcell.KeyF6,
"F7": tcell.KeyF7,
"F8": tcell.KeyF8,
"F9": tcell.KeyF9,
"F10": tcell.KeyF10,
"F11": tcell.KeyF11,
"F12": tcell.KeyF12,
"F13": tcell.KeyF13,
"F14": tcell.KeyF14,
"F15": tcell.KeyF15,
"F16": tcell.KeyF16,
"F17": tcell.KeyF17,
"F18": tcell.KeyF18,
"F19": tcell.KeyF19,
"F20": tcell.KeyF20,
"F21": tcell.KeyF21,
"F22": tcell.KeyF22,
"F23": tcell.KeyF23,
"F24": tcell.KeyF24,
"F25": tcell.KeyF25,
"F26": tcell.KeyF26,
"F27": tcell.KeyF27,
"F28": tcell.KeyF28,
"F29": tcell.KeyF29,
"F30": tcell.KeyF30,
"F31": tcell.KeyF31,
"F32": tcell.KeyF32,
"F33": tcell.KeyF33,
"F34": tcell.KeyF34,
"F35": tcell.KeyF35,
"F36": tcell.KeyF36,
"F37": tcell.KeyF37,
"F38": tcell.KeyF38,
"F39": tcell.KeyF39,
"F40": tcell.KeyF40,
"F41": tcell.KeyF41,
"F42": tcell.KeyF42,
"F43": tcell.KeyF43,
"F44": tcell.KeyF44,
"F45": tcell.KeyF45,
"F46": tcell.KeyF46,
"F47": tcell.KeyF47,
"F48": tcell.KeyF48,
"F49": tcell.KeyF49,
"F50": tcell.KeyF50,
"F51": tcell.KeyF51,
"F52": tcell.KeyF52,
"F53": tcell.KeyF53,
"F54": tcell.KeyF54,
"F55": tcell.KeyF55,
"F56": tcell.KeyF56,
"F57": tcell.KeyF57,
"F58": tcell.KeyF58,
"F59": tcell.KeyF59,
"F60": tcell.KeyF60,
"F61": tcell.KeyF61,
"F62": tcell.KeyF62,
"F63": tcell.KeyF63,
"F64": tcell.KeyF64,
"CtrlSpace": tcell.KeyCtrlSpace,
"CtrlA": tcell.KeyCtrlA,
"CtrlB": tcell.KeyCtrlB,
"CtrlC": tcell.KeyCtrlC,
"CtrlD": tcell.KeyCtrlD,
"CtrlE": tcell.KeyCtrlE,
"CtrlF": tcell.KeyCtrlF,
"CtrlG": tcell.KeyCtrlG,
"CtrlH": tcell.KeyCtrlH,
"CtrlI": tcell.KeyCtrlI,
"CtrlJ": tcell.KeyCtrlJ,
"CtrlK": tcell.KeyCtrlK,
"CtrlL": tcell.KeyCtrlL,
"CtrlM": tcell.KeyCtrlM,
"CtrlN": tcell.KeyCtrlN,
"CtrlO": tcell.KeyCtrlO,
"CtrlP": tcell.KeyCtrlP,
"CtrlQ": tcell.KeyCtrlQ,
"CtrlR": tcell.KeyCtrlR,
"CtrlS": tcell.KeyCtrlS,
"CtrlT": tcell.KeyCtrlT,
"CtrlU": tcell.KeyCtrlU,
"CtrlV": tcell.KeyCtrlV,
"CtrlW": tcell.KeyCtrlW,
"CtrlX": tcell.KeyCtrlX,
"CtrlY": tcell.KeyCtrlY,
"CtrlZ": tcell.KeyCtrlZ,
"CtrlLeftSq": tcell.KeyCtrlLeftSq,
"CtrlBackslash": tcell.KeyCtrlBackslash,
"CtrlRightSq": tcell.KeyCtrlRightSq,
"CtrlCarat": tcell.KeyCtrlCarat,
"CtrlUnderscore": tcell.KeyCtrlUnderscore,
"CtrlPageUp": tcell.KeyCtrlPgUp,
"CtrlPageDown": tcell.KeyCtrlPgDn,
"Tab": tcell.KeyTab,
"Esc": tcell.KeyEsc,
"Escape": tcell.KeyEscape,
"Enter": tcell.KeyEnter,
"Backspace": tcell.KeyBackspace2,
// I renamed these keys to PageUp and PageDown but I don't want to break someone's keybindings
"PgUp": tcell.KeyPgUp,
"PgDown": tcell.KeyPgDn,
}
// The Key struct holds the data for a keypress (keycode + modifiers)
type Key struct {
keyCode tcell.Key
modifiers tcell.ModMask
buttons tcell.ButtonMask
r rune
}
// InitBindings initializes the keybindings for micro
func InitBindings() {
bindings = make(map[Key][]func(*View, bool) bool)
mouseBindings = make(map[Key][]func(*View, bool, *tcell.EventMouse) bool)
var parsed map[string]string
defaults := DefaultBindings()
filename := configDir + "/bindings.json"
if _, e := os.Stat(filename); e == nil {
input, err := ioutil.ReadFile(filename)
if err != nil {
TermMessage("Error reading bindings.json file: " + err.Error())
return
}
err = json5.Unmarshal(input, &parsed)
if err != nil {
TermMessage("Error reading bindings.json:", err.Error())
}
}
parseBindings(defaults)
parseBindings(parsed)
}
func parseBindings(userBindings map[string]string) {
for k, v := range userBindings {
BindKey(k, v)
}
}
// findKey will find binding Key 'b' using string 'k'
func findKey(k string) (b Key, ok bool) {
modifiers := tcell.ModNone
// First, we'll strip off all the modifiers in the name and add them to the
// ModMask
modSearch:
for {
switch {
case strings.HasPrefix(k, "-"):
// We optionally support dashes between modifiers
k = k[1:]
case strings.HasPrefix(k, "Ctrl") && k != "CtrlH":
// CtrlH technically does not have a 'Ctrl' modifier because it is really backspace
k = k[4:]
modifiers |= tcell.ModCtrl
case strings.HasPrefix(k, "Alt"):
k = k[3:]
modifiers |= tcell.ModAlt
case strings.HasPrefix(k, "Shift"):
k = k[5:]
modifiers |= tcell.ModShift
default:
break modSearch
}
}
// Control is handled specially, since some character codes in bindingKeys
// are different when Control is depressed. We should check for Control keys
// first.
if modifiers&tcell.ModCtrl != 0 {
// see if the key is in bindingKeys with the Ctrl prefix.
if code, ok := bindingKeys["Ctrl"+k]; ok {
// It is, we're done.
return Key{
keyCode: code,
modifiers: modifiers,
buttons: -1,
r: 0,
}, true
}
}
// See if we can find the key in bindingKeys
if code, ok := bindingKeys[k]; ok {
return Key{
keyCode: code,
modifiers: modifiers,
buttons: -1,
r: 0,
}, true
}
// See if we can find the key in bindingMouse
if code, ok := bindingMouse[k]; ok {
return Key{
modifiers: modifiers,
buttons: code,
r: 0,
}, true
}
// If we were given one character, then we've got a rune.
if len(k) == 1 {
return Key{
keyCode: tcell.KeyRune,
modifiers: modifiers,
buttons: -1,
r: rune(k[0]),
}, true
}
// We don't know what happened.
return Key{buttons: -1}, false
}
// findAction will find 'action' using string 'v'
func findAction(v string) (action func(*View, bool) bool) {
action, ok := bindingActions[v]
if !ok {
// If the user seems to be binding a function that doesn't exist
// We hope that it's a lua function that exists and bind it to that
action = LuaFunctionBinding(v)
}
return action
}
func findMouseAction(v string) func(*View, bool, *tcell.EventMouse) bool {
action, ok := mouseBindingActions[v]
if !ok {
// If the user seems to be binding a function that doesn't exist
// We hope that it's a lua function that exists and bind it to that
action = LuaFunctionMouseBinding(v)
}
return action
}
// BindKey takes a key and an action and binds the two together
func BindKey(k, v string) {
key, ok := findKey(k)
if !ok {
TermMessage("Unknown keybinding: " + k)
return
}
if v == "ToggleHelp" {
helpBinding = k
}
if helpBinding == k && v != "ToggleHelp" {
helpBinding = ""
}
actionNames := strings.Split(v, ",")
if actionNames[0] == "UnbindKey" {
delete(bindings, key)
delete(mouseBindings, key)
if len(actionNames) == 1 {
return
}
actionNames = append(actionNames[:0], actionNames[1:]...)
}
actions := make([]func(*View, bool) bool, 0, len(actionNames))
mouseActions := make([]func(*View, bool, *tcell.EventMouse) bool, 0, len(actionNames))
for _, actionName := range actionNames {
if strings.HasPrefix(actionName, "Mouse") {
mouseActions = append(mouseActions, findMouseAction(actionName))
} else {
actions = append(actions, findAction(actionName))
}
}
if len(actions) > 0 {
// Can't have a binding be both mouse and normal
delete(mouseBindings, key)
bindings[key] = actions
} else if len(mouseActions) > 0 {
// Can't have a binding be both mouse and normal
delete(bindings, key)
mouseBindings[key] = mouseActions
}
}
// DefaultBindings returns a map containing micro's default keybindings
func DefaultBindings() map[string]string {
return map[string]string{
"Up": "CursorUp",
"Down": "CursorDown",
"Right": "CursorRight",
"Left": "CursorLeft",
"ShiftUp": "SelectUp",
"ShiftDown": "SelectDown",
"ShiftLeft": "SelectLeft",
"ShiftRight": "SelectRight",
"AltLeft": "WordLeft",
"AltRight": "WordRight",
"AltUp": "MoveLinesUp",
"AltDown": "MoveLinesDown",
"AltShiftRight": "SelectWordRight",
"AltShiftLeft": "SelectWordLeft",
"CtrlLeft": "StartOfLine",
"CtrlRight": "EndOfLine",
"CtrlShiftLeft": "SelectToStartOfLine",
"ShiftHome": "SelectToStartOfLine",
"CtrlShiftRight": "SelectToEndOfLine",
"ShiftEnd": "SelectToEndOfLine",
"CtrlUp": "CursorStart",
"CtrlDown": "CursorEnd",
"CtrlShiftUp": "SelectToStart",
"CtrlShiftDown": "SelectToEnd",
"Enter": "InsertNewline",
"CtrlH": "Backspace",
"Backspace": "Backspace",
"Alt-CtrlH": "DeleteWordLeft",
"Alt-Backspace": "DeleteWordLeft",
"Tab": "IndentSelection,InsertTab",
"Backtab": "OutdentSelection,OutdentLine",
"CtrlO": "OpenFile",
"CtrlS": "Save",
"CtrlF": "Find",
"CtrlN": "FindNext",
"CtrlP": "FindPrevious",
"CtrlZ": "Undo",
"CtrlY": "Redo",
"CtrlC": "Copy",
"CtrlX": "Cut",
"CtrlK": "CutLine",
"CtrlD": "DuplicateLine",
"CtrlV": "Paste",
"CtrlA": "SelectAll",
"CtrlT": "AddTab",
"Alt,": "PreviousTab",
"Alt.": "NextTab",
"Home": "StartOfLine",
"End": "EndOfLine",
"CtrlHome": "CursorStart",
"CtrlEnd": "CursorEnd",
"PageUp": "CursorPageUp",
"PageDown": "CursorPageDown",
"CtrlPageUp": "PreviousTab",
"CtrlPageDown": "NextTab",
"CtrlG": "ToggleHelp",
"CtrlR": "ToggleRuler",
"CtrlL": "JumpLine",
"Delete": "Delete",
"CtrlB": "ShellMode",
"CtrlQ": "Quit",
"CtrlE": "CommandMode",
"CtrlW": "NextSplit",
"CtrlU": "ToggleMacro",
"CtrlJ": "PlayMacro",
// Emacs-style keybindings
"Alt-f": "WordRight",
"Alt-b": "WordLeft",
"Alt-a": "StartOfLine",
"Alt-e": "EndOfLine",
// "Alt-p": "CursorUp",
// "Alt-n": "CursorDown",
// Integration with file managers
"F1": "ToggleHelp",
"F2": "Save",
"F3": "Find",
"F4": "Quit",
"F7": "Find",
"F10": "Quit",
"Esc": "Escape",
// Mouse bindings
"MouseWheelUp": "ScrollUp",
"MouseWheelDown": "ScrollDown",
"MouseLeft": "MousePress",
"MouseMiddle": "PastePrimary",
"Ctrl-MouseLeft": "MouseMultiCursor",
"Alt-n": "SpawnMultiCursor",
"Alt-p": "RemoveMultiCursor",
"Alt-c": "RemoveAllMultiCursors",
"Alt-x": "SkipMultiCursor",
}
}

577
cmd/micro/buffer.go Normal file
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@ -0,0 +1,577 @@
package main
import (
"bytes"
"encoding/gob"
"io"
"io/ioutil"
"os"
"os/exec"
"os/signal"
"path/filepath"
"regexp"
"strconv"
"strings"
"time"
"unicode/utf8"
"github.com/mitchellh/go-homedir"
"github.com/zyedidia/micro/cmd/micro/highlight"
)
var (
// 0 - no line type detected
// 1 - lf detected
// 2 - crlf detected
fileformat = 0
)
// Buffer stores the text for files that are loaded into the text editor
// It uses a rope to efficiently store the string and contains some
// simple functions for saving and wrapper functions for modifying the rope
type Buffer struct {
// The eventhandler for undo/redo
*EventHandler
// This stores all the text in the buffer as an array of lines
*LineArray
Cursor Cursor
cursors []*Cursor // for multiple cursors
curCursor int // the current cursor
// Path to the file on disk
Path string
// Absolute path to the file on disk
AbsPath string
// Name of the buffer on the status line
name string
// Whether or not the buffer has been modified since it was opened
IsModified bool
// Stores the last modification time of the file the buffer is pointing to
ModTime time.Time
NumLines int
syntaxDef *highlight.Def
highlighter *highlight.Highlighter
// Buffer local settings
Settings map[string]interface{}
}
// The SerializedBuffer holds the types that get serialized when a buffer is saved
// These are used for the savecursor and saveundo options
type SerializedBuffer struct {
EventHandler *EventHandler
Cursor Cursor
ModTime time.Time
}
func NewBufferFromString(text, path string) *Buffer {
return NewBuffer(strings.NewReader(text), int64(len(text)), path)
}
// NewBuffer creates a new buffer from a given reader with a given path
func NewBuffer(reader io.Reader, size int64, path string) *Buffer {
if path != "" {
for _, tab := range tabs {
for _, view := range tab.views {
if view.Buf.Path == path {
return view.Buf
}
}
}
}
b := new(Buffer)
b.LineArray = NewLineArray(size, reader)
b.Settings = DefaultLocalSettings()
for k, v := range globalSettings {
if _, ok := b.Settings[k]; ok {
b.Settings[k] = v
}
}
if fileformat == 1 {
b.Settings["fileformat"] = "unix"
} else if fileformat == 2 {
b.Settings["fileformat"] = "dos"
}
absPath, _ := filepath.Abs(path)
b.Path = path
b.AbsPath = absPath
// The last time this file was modified
b.ModTime, _ = GetModTime(b.Path)
b.EventHandler = NewEventHandler(b)
b.Update()
b.UpdateRules()
if _, err := os.Stat(configDir + "/buffers/"); os.IsNotExist(err) {
os.Mkdir(configDir+"/buffers/", os.ModePerm)
}
// Put the cursor at the first spot
cursorStartX := 0
cursorStartY := 0
// If -startpos LINE,COL was passed, use start position LINE,COL
if len(*flagStartPos) > 0 {
positions := strings.Split(*flagStartPos, ",")
if len(positions) == 2 {
lineNum, errPos1 := strconv.Atoi(positions[0])
colNum, errPos2 := strconv.Atoi(positions[1])
if errPos1 == nil && errPos2 == nil {
cursorStartX = colNum
cursorStartY = lineNum - 1
// Check to avoid line overflow
if cursorStartY > b.NumLines {
cursorStartY = b.NumLines - 1
} else if cursorStartY < 0 {
cursorStartY = 0
}
// Check to avoid column overflow
if cursorStartX > len(b.Line(cursorStartY)) {
cursorStartX = len(b.Line(cursorStartY))
} else if cursorStartX < 0 {
cursorStartX = 0
}
}
}
}
b.Cursor = Cursor{
Loc: Loc{
X: cursorStartX,
Y: cursorStartY,
},
buf: b,
}
InitLocalSettings(b)
if b.Settings["savecursor"].(bool) || b.Settings["saveundo"].(bool) {
// If either savecursor or saveundo is turned on, we need to load the serialized information
// from ~/.config/micro/buffers
file, err := os.Open(configDir + "/buffers/" + EscapePath(b.AbsPath))
if err == nil {
var buffer SerializedBuffer
decoder := gob.NewDecoder(file)
gob.Register(TextEvent{})
err = decoder.Decode(&buffer)
if err != nil {
TermMessage(err.Error(), "\n", "You may want to remove the files in ~/.config/micro/buffers (these files store the information for the 'saveundo' and 'savecursor' options) if this problem persists.")
}
if b.Settings["savecursor"].(bool) {
b.Cursor = buffer.Cursor
b.Cursor.buf = b
b.Cursor.Relocate()
}
if b.Settings["saveundo"].(bool) {
// We should only use last time's eventhandler if the file wasn't by someone else in the meantime
if b.ModTime == buffer.ModTime {
b.EventHandler = buffer.EventHandler
b.EventHandler.buf = b
}
}
}
file.Close()
}
if b.Settings["mouse"].(bool) {
screen.EnableMouse()
}
b.cursors = []*Cursor{&b.Cursor}
return b
}
func (b *Buffer) GetName() string {
if b.name == "" {
if b.Path == "" {
return "No name"
}
return b.Path
}
return b.name
}
// UpdateRules updates the syntax rules and filetype for this buffer
// This is called when the colorscheme changes
func (b *Buffer) UpdateRules() {
rehighlight := false
var files []*highlight.File
for _, f := range ListRuntimeFiles(RTSyntax) {
data, err := f.Data()
if err != nil {
TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
} else {
file, err := highlight.ParseFile(data)
if err != nil {
TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
continue
}
ftdetect, err := highlight.ParseFtDetect(file)
if err != nil {
TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
continue
}
ft := b.Settings["filetype"].(string)
if (ft == "Unknown" || ft == "") && !rehighlight {
if highlight.MatchFiletype(ftdetect, b.Path, b.lines[0].data) {
header := new(highlight.Header)
header.FileType = file.FileType
header.FtDetect = ftdetect
b.syntaxDef, err = highlight.ParseDef(file, header)
if err != nil {
TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
continue
}
rehighlight = true
}
} else {
if file.FileType == ft && !rehighlight {
header := new(highlight.Header)
header.FileType = file.FileType
header.FtDetect = ftdetect
b.syntaxDef, err = highlight.ParseDef(file, header)
if err != nil {
TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
continue
}
rehighlight = true
}
}
files = append(files, file)
}
}
if b.syntaxDef != nil {
highlight.ResolveIncludes(b.syntaxDef, files)
}
if b.highlighter == nil || rehighlight {
if b.syntaxDef != nil {
b.Settings["filetype"] = b.syntaxDef.FileType
b.highlighter = highlight.NewHighlighter(b.syntaxDef)
if b.Settings["syntax"].(bool) {
b.highlighter.HighlightStates(b)
}
}
}
}
// FileType returns the buffer's filetype
func (b *Buffer) FileType() string {
return b.Settings["filetype"].(string)
}
// IndentString returns a string representing one level of indentation
func (b *Buffer) IndentString() string {
if b.Settings["tabstospaces"].(bool) {
return Spaces(int(b.Settings["tabsize"].(float64)))
}
return "\t"
}
// CheckModTime makes sure that the file this buffer points to hasn't been updated
// by an external program since it was last read
// If it has, we ask the user if they would like to reload the file
func (b *Buffer) CheckModTime() {
modTime, ok := GetModTime(b.Path)
if ok {
if modTime != b.ModTime {
choice, canceled := messenger.YesNoPrompt("The file has changed since it was last read. Reload file? (y,n)")
messenger.Reset()
messenger.Clear()
if !choice || canceled {
// Don't load new changes -- do nothing
b.ModTime, _ = GetModTime(b.Path)
} else {
// Load new changes
b.ReOpen()
}
}
}
}
// ReOpen reloads the current buffer from disk
func (b *Buffer) ReOpen() {
data, err := ioutil.ReadFile(b.Path)
txt := string(data)
if err != nil {
messenger.Error(err.Error())
return
}
b.EventHandler.ApplyDiff(txt)
b.ModTime, _ = GetModTime(b.Path)
b.IsModified = false
b.Update()
b.Cursor.Relocate()
}
// Update fetches the string from the rope and updates the `text` and `lines` in the buffer
func (b *Buffer) Update() {
b.NumLines = len(b.lines)
}
func (b *Buffer) MergeCursors() {
var cursors []*Cursor
for i := 0; i < len(b.cursors); i++ {
c1 := b.cursors[i]
if c1 != nil {
for j := 0; j < len(b.cursors); j++ {
c2 := b.cursors[j]
if c2 != nil && i != j && c1.Loc == c2.Loc {
b.cursors[j] = nil
}
}
cursors = append(cursors, c1)
}
}
b.cursors = cursors
}
func (b *Buffer) UpdateCursors() {
for i, c := range b.cursors {
c.Num = i
}
}
// Save saves the buffer to its default path
func (b *Buffer) Save() error {
return b.SaveAs(b.Path)
}
// SaveWithSudo saves the buffer to the default path with sudo
func (b *Buffer) SaveWithSudo() error {
return b.SaveAsWithSudo(b.Path)
}
// Serialize serializes the buffer to configDir/buffers
func (b *Buffer) Serialize() error {
if b.Settings["savecursor"].(bool) || b.Settings["saveundo"].(bool) {
file, err := os.Create(configDir + "/buffers/" + EscapePath(b.AbsPath))
if err == nil {
enc := gob.NewEncoder(file)
gob.Register(TextEvent{})
err = enc.Encode(SerializedBuffer{
b.EventHandler,
b.Cursor,
b.ModTime,
})
}
err = file.Close()
return err
}
return nil
}
// SaveAs saves the buffer to a specified path (filename), creating the file if it does not exist
func (b *Buffer) SaveAs(filename string) error {
b.UpdateRules()
dir, _ := homedir.Dir()
if b.Settings["rmtrailingws"].(bool) {
r, _ := regexp.Compile(`[ \t]+$`)
for lineNum, line := range b.Lines(0, b.NumLines) {
indices := r.FindStringIndex(line)
if indices == nil {
continue
}
startLoc := Loc{indices[0], lineNum}
b.deleteToEnd(startLoc)
}
b.Cursor.Relocate()
}
if b.Settings["eofnewline"].(bool) {
end := b.End()
if b.RuneAt(Loc{end.X - 1, end.Y}) != '\n' {
b.Insert(end, "\n")
}
}
str := b.SaveString(b.Settings["fileformat"] == "dos")
data := []byte(str)
err := ioutil.WriteFile(filename, data, 0644)
if err == nil {
b.Path = strings.Replace(filename, "~", dir, 1)
b.IsModified = false
b.ModTime, _ = GetModTime(filename)
return b.Serialize()
}
b.ModTime, _ = GetModTime(filename)
return err
}
// SaveAsWithSudo is the same as SaveAs except it uses a neat trick
// with tee to use sudo so the user doesn't have to reopen micro with sudo
func (b *Buffer) SaveAsWithSudo(filename string) error {
b.UpdateRules()
b.Path = filename
// Shut down the screen because we're going to interact directly with the shell
screen.Fini()
screen = nil
// Set up everything for the command
cmd := exec.Command("sudo", "tee", filename)
cmd.Stdin = bytes.NewBufferString(b.SaveString(b.Settings["fileformat"] == "dos"))
// This is a trap for Ctrl-C so that it doesn't kill micro
// Instead we trap Ctrl-C to kill the program we're running
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
go func() {
for range c {
cmd.Process.Kill()
}
}()
// Start the command
cmd.Start()
err := cmd.Wait()
// Start the screen back up
InitScreen()
if err == nil {
b.IsModified = false
b.ModTime, _ = GetModTime(filename)
b.Serialize()
}
return err
}
func (b *Buffer) insert(pos Loc, value []byte) {
b.IsModified = true
b.LineArray.insert(pos, value)
b.Update()
}
func (b *Buffer) remove(start, end Loc) string {
b.IsModified = true
sub := b.LineArray.remove(start, end)
b.Update()
return sub
}
func (b *Buffer) deleteToEnd(start Loc) {
b.IsModified = true
b.LineArray.DeleteToEnd(start)
b.Update()
}
// Start returns the location of the first character in the buffer
func (b *Buffer) Start() Loc {
return Loc{0, 0}
}
// End returns the location of the last character in the buffer
func (b *Buffer) End() Loc {
return Loc{utf8.RuneCount(b.lines[b.NumLines-1].data), b.NumLines - 1}
}
// RuneAt returns the rune at a given location in the buffer
func (b *Buffer) RuneAt(loc Loc) rune {
line := []rune(b.Line(loc.Y))
if len(line) > 0 {
return line[loc.X]
}
return '\n'
}
// Line returns a single line
func (b *Buffer) Line(n int) string {
if n >= len(b.lines) {
return ""
}
return string(b.lines[n].data)
}
func (b *Buffer) LinesNum() int {
return len(b.lines)
}
// Lines returns an array of strings containing the lines from start to end
func (b *Buffer) Lines(start, end int) []string {
lines := b.lines[start:end]
var slice []string
for _, line := range lines {
slice = append(slice, string(line.data))
}
return slice
}
// Len gives the length of the buffer
func (b *Buffer) Len() int {
return Count(b.String())
}
// MoveLinesUp moves the range of lines up one row
func (b *Buffer) MoveLinesUp(start int, end int) {
// 0 < start < end <= len(b.lines)
if start < 1 || start >= end || end > len(b.lines) {
return // what to do? FIXME
}
if end == len(b.lines) {
b.Insert(
Loc{
utf8.RuneCount(b.lines[end-1].data),
end - 1,
},
"\n"+b.Line(start-1),
)
} else {
b.Insert(
Loc{0, end},
b.Line(start-1)+"\n",
)
}
b.Remove(
Loc{0, start - 1},
Loc{0, start},
)
}
// MoveLinesDown moves the range of lines down one row
func (b *Buffer) MoveLinesDown(start int, end int) {
// 0 <= start < end < len(b.lines)
// if end == len(b.lines), we can't do anything here because the
// last line is unaccessible, FIXME
if start < 0 || start >= end || end >= len(b.lines)-1 {
return // what to do? FIXME
}
b.Insert(
Loc{0, start},
b.Line(end)+"\n",
)
end++
b.Remove(
Loc{0, end},
Loc{0, end + 1},
)
}
// ClearMatches clears all of the syntax highlighting for this buffer
func (b *Buffer) ClearMatches() {
for i := range b.lines {
b.SetMatch(i, nil)
b.SetState(i, nil)
}
}
func (b *Buffer) clearCursors() {
for i := 1; i < len(b.cursors); i++ {
b.cursors[i] = nil
}
b.cursors = b.cursors[:1]
b.UpdateCursors()
b.Cursor.ResetSelection()
}

222
cmd/micro/cellview.go Normal file
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package main
import (
"github.com/mattn/go-runewidth"
"github.com/zyedidia/tcell"
)
func min(a, b int) int {
if a <= b {
return a
}
return b
}
func visualToCharPos(visualIndex int, lineN int, str string, buf *Buffer, tabsize int) (int, int, *tcell.Style) {
charPos := 0
var lineIdx int
var lastWidth int
var style *tcell.Style
var width int
var rw int
for i, c := range str {
// width := StringWidth(str[:i], tabsize)
if group, ok := buf.Match(lineN)[charPos]; ok {
s := GetColor(group.String())
style = &s
}
if width >= visualIndex {
return charPos, visualIndex - lastWidth, style
}
if i != 0 {
charPos++
lineIdx += rw
}
lastWidth = width
rw = 0
if c == '\t' {
rw = tabsize - (lineIdx % tabsize)
width += rw
} else {
rw = runewidth.RuneWidth(c)
width += rw
}
}
return -1, -1, style
}
type Char struct {
visualLoc Loc
realLoc Loc
char rune
// The actual character that is drawn
// This is only different from char if it's for example hidden character
drawChar rune
style tcell.Style
width int
}
type CellView struct {
lines [][]*Char
}
func (c *CellView) Draw(buf *Buffer, top, height, left, width int) {
tabsize := int(buf.Settings["tabsize"].(float64))
softwrap := buf.Settings["softwrap"].(bool)
indentrunes := []rune(buf.Settings["indentchar"].(string))
// if empty indentchar settings, use space
if indentrunes == nil || len(indentrunes) == 0 {
indentrunes = []rune(" ")
}
indentchar := indentrunes[0]
start := buf.Cursor.Y
if buf.Settings["syntax"].(bool) && buf.syntaxDef != nil {
if start > 0 && buf.lines[start-1].rehighlight {
buf.highlighter.ReHighlightLine(buf, start-1)
buf.lines[start-1].rehighlight = false
}
buf.highlighter.ReHighlightStates(buf, start)
buf.highlighter.HighlightMatches(buf, top, top+height)
}
c.lines = make([][]*Char, 0)
viewLine := 0
lineN := top
curStyle := defStyle
for viewLine < height {
if lineN >= len(buf.lines) {
break
}
lineStr := buf.Line(lineN)
line := []rune(lineStr)
colN, startOffset, startStyle := visualToCharPos(left, lineN, lineStr, buf, tabsize)
if colN < 0 {
colN = len(line)
}
viewCol := -startOffset
if startStyle != nil {
curStyle = *startStyle
}
// We'll either draw the length of the line, or the width of the screen
// whichever is smaller
lineLength := min(StringWidth(lineStr, tabsize), width)
if lineLength < 0 {
return
}
c.lines = append(c.lines, make([]*Char, lineLength))
wrap := false
// We only need to wrap if the length of the line is greater than the width of the terminal screen
if softwrap && StringWidth(lineStr, tabsize) > width {
wrap = true
// We're going to draw the entire line now
lineLength = StringWidth(lineStr, tabsize)
}
for viewCol < lineLength {
if colN >= len(line) {
break
}
if group, ok := buf.Match(lineN)[colN]; ok {
curStyle = GetColor(group.String())
}
char := line[colN]
if viewCol >= 0 {
if viewCol < len(c.lines[viewLine]) {
c.lines[viewLine][viewCol] = &Char{Loc{viewCol, viewLine}, Loc{colN, lineN}, char, char, curStyle, 1}
}
}
if char == '\t' {
charWidth := tabsize - (viewCol+left)%tabsize
if viewCol >= 0 {
if viewCol < len(c.lines[viewLine]) {
c.lines[viewLine][viewCol].drawChar = indentchar
c.lines[viewLine][viewCol].width = charWidth
}
indentStyle := curStyle
if group, ok := colorscheme["indent-char"]; ok {
indentStyle = group
}
if viewCol < len(c.lines[viewLine]) {
c.lines[viewLine][viewCol].style = indentStyle
}
}
for i := 1; i < charWidth; i++ {
viewCol++
if viewCol >= 0 && viewCol < lineLength {
if viewCol < len(c.lines[viewLine]) {
c.lines[viewLine][viewCol] = &Char{Loc{viewCol, viewLine}, Loc{colN, lineN}, char, ' ', curStyle, 1}
}
}
}
viewCol++
} else if runewidth.RuneWidth(char) > 1 {
charWidth := runewidth.RuneWidth(char)
if viewCol >= 0 {
if viewCol < len(c.lines[viewLine]) {
c.lines[viewLine][viewCol].width = charWidth
}
}
for i := 1; i < charWidth; i++ {
viewCol++
if viewCol >= 0 && viewCol < lineLength {
if viewCol < len(c.lines[viewLine]) {
c.lines[viewLine][viewCol] = &Char{Loc{viewCol, viewLine}, Loc{colN, lineN}, char, ' ', curStyle, 1}
}
}
}
viewCol++
} else {
viewCol++
}
colN++
if wrap && viewCol >= width {
viewLine++
// If we go too far soft wrapping we have to cut off
if viewLine >= height {
break
}
nextLine := line[colN:]
lineLength := min(StringWidth(string(nextLine), tabsize), width)
c.lines = append(c.lines, make([]*Char, lineLength))
viewCol = 0
}
}
if group, ok := buf.Match(lineN)[len(line)]; ok {
curStyle = GetColor(group.String())
}
// newline
viewLine++
lineN++
}
for i := top; i < top+height; i++ {
if i >= buf.NumLines {
break
}
buf.SetMatch(i, nil)
}
}

View file

@ -1,148 +0,0 @@
package main
import (
"bufio"
"encoding/gob"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"sort"
"strings"
"github.com/zyedidia/micro/v2/internal/buffer"
"github.com/zyedidia/micro/v2/internal/config"
)
func shouldContinue() bool {
reader := bufio.NewReader(os.Stdin)
fmt.Print("Continue [Y/n]: ")
text, err := reader.ReadString('\n')
if err != nil {
fmt.Println(err)
return false
}
text = strings.TrimRight(text, "\r\n")
return len(text) == 0 || strings.ToLower(text)[0] == 'y'
}
// CleanConfig performs cleanup in the user's configuration directory
func CleanConfig() {
fmt.Println("Cleaning your configuration directory at", config.ConfigDir)
fmt.Printf("Please consider backing up %s before continuing\n", config.ConfigDir)
if !shouldContinue() {
fmt.Println("Stopping early")
return
}
fmt.Println("Cleaning default settings")
config.WriteSettings(filepath.Join(config.ConfigDir, "settings.json"))
// detect unused options
var unusedOptions []string
defaultSettings := config.DefaultAllSettings()
for k := range config.GlobalSettings {
if _, ok := defaultSettings[k]; !ok {
valid := false
for _, p := range config.Plugins {
if strings.HasPrefix(k, p.Name+".") || k == p.Name {
valid = true
}
}
if !valid {
unusedOptions = append(unusedOptions, k)
}
}
}
if len(unusedOptions) > 0 {
fmt.Println("The following options are unused:")
sort.Strings(unusedOptions)
for _, s := range unusedOptions {
fmt.Printf("%s (value: %v)\n", s, config.GlobalSettings[s])
}
fmt.Printf("These options will be removed from %s\n", filepath.Join(config.ConfigDir, "settings.json"))
if shouldContinue() {
for _, s := range unusedOptions {
delete(config.GlobalSettings, s)
}
err := config.OverwriteSettings(filepath.Join(config.ConfigDir, "settings.json"))
if err != nil {
fmt.Println("Error writing settings.json file: " + err.Error())
}
fmt.Println("Removed unused options")
fmt.Print("\n\n")
}
}
// detect incorrectly formatted buffer/ files
files, err := ioutil.ReadDir(filepath.Join(config.ConfigDir, "buffers"))
if err == nil {
var badFiles []string
var buffer buffer.SerializedBuffer
for _, f := range files {
fname := filepath.Join(config.ConfigDir, "buffers", f.Name())
file, e := os.Open(fname)
if e == nil {
decoder := gob.NewDecoder(file)
err = decoder.Decode(&buffer)
if err != nil && f.Name() != "history" {
badFiles = append(badFiles, fname)
}
file.Close()
}
}
if len(badFiles) > 0 {
fmt.Printf("Detected %d files with an invalid format in %s\n", len(badFiles), filepath.Join(config.ConfigDir, "buffers"))
fmt.Println("These files store cursor and undo history.")
fmt.Printf("Removing badly formatted files in %s\n", filepath.Join(config.ConfigDir, "buffers"))
if shouldContinue() {
removed := 0
for _, f := range badFiles {
err := os.Remove(f)
if err != nil {
fmt.Println(err)
continue
}
removed++
}
if removed == 0 {
fmt.Println("Failed to remove files")
} else {
fmt.Printf("Removed %d badly formatted files\n", removed)
}
fmt.Print("\n\n")
}
}
}
// detect plugins/ directory
plugins := filepath.Join(config.ConfigDir, "plugins")
if stat, err := os.Stat(plugins); err == nil && stat.IsDir() {
fmt.Printf("Found directory %s\n", plugins)
fmt.Printf("Plugins should now be stored in %s\n", filepath.Join(config.ConfigDir, "plug"))
fmt.Printf("Removing %s\n", plugins)
if shouldContinue() {
os.RemoveAll(plugins)
}
fmt.Print("\n\n")
}
fmt.Println("Done cleaning")
}

256
cmd/micro/colorscheme.go Normal file
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package main
import (
"fmt"
"regexp"
"strconv"
"strings"
"github.com/zyedidia/tcell"
)
// Colorscheme is a map from string to style -- it represents a colorscheme
type Colorscheme map[string]tcell.Style
// The current colorscheme
var colorscheme Colorscheme
// This takes in a syntax group and returns the colorscheme's style for that group
func GetColor(color string) tcell.Style {
st := defStyle
if color == "" {
return st
}
groups := strings.Split(color, ".")
if len(groups) > 1 {
curGroup := ""
for i, g := range groups {
if i != 0 {
curGroup += "."
}
curGroup += g
if style, ok := colorscheme[curGroup]; ok {
st = style
}
}
} else if style, ok := colorscheme[color]; ok {
st = style
} else {
st = StringToStyle(color)
}
return st
}
// ColorschemeExists checks if a given colorscheme exists
func ColorschemeExists(colorschemeName string) bool {
return FindRuntimeFile(RTColorscheme, colorschemeName) != nil
}
// InitColorscheme picks and initializes the colorscheme when micro starts
func InitColorscheme() {
colorscheme = make(Colorscheme)
defStyle = tcell.StyleDefault.
Foreground(tcell.ColorDefault).
Background(tcell.ColorDefault)
if screen != nil {
screen.SetStyle(defStyle)
}
LoadDefaultColorscheme()
}
// LoadDefaultColorscheme loads the default colorscheme from $(configDir)/colorschemes
func LoadDefaultColorscheme() {
LoadColorscheme(globalSettings["colorscheme"].(string))
}
// LoadColorscheme loads the given colorscheme from a directory
func LoadColorscheme(colorschemeName string) {
file := FindRuntimeFile(RTColorscheme, colorschemeName)
if file == nil {
TermMessage(colorschemeName, "is not a valid colorscheme")
} else {
if data, err := file.Data(); err != nil {
TermMessage("Error loading colorscheme:", err)
} else {
colorscheme = ParseColorscheme(string(data))
}
}
}
// ParseColorscheme parses the text definition for a colorscheme and returns the corresponding object
// Colorschemes are made up of color-link statements linking a color group to a list of colors
// For example, color-link keyword (blue,red) makes all keywords have a blue foreground and
// red background
func ParseColorscheme(text string) Colorscheme {
parser := regexp.MustCompile(`color-link\s+(\S*)\s+"(.*)"`)
lines := strings.Split(text, "\n")
c := make(Colorscheme)
for _, line := range lines {
if strings.TrimSpace(line) == "" ||
strings.TrimSpace(line)[0] == '#' {
// Ignore this line
continue
}
matches := parser.FindSubmatch([]byte(line))
if len(matches) == 3 {
link := string(matches[1])
colors := string(matches[2])
style := StringToStyle(colors)
c[link] = style
if link == "default" {
defStyle = style
}
if screen != nil {
screen.SetStyle(defStyle)
}
} else {
fmt.Println("Color-link statement is not valid:", line)
}
}
return c
}
// StringToStyle returns a style from a string
// The strings must be in the format "extra foregroundcolor,backgroundcolor"
// The 'extra' can be bold, reverse, or underline
func StringToStyle(str string) tcell.Style {
var fg, bg string
spaceSplit := strings.Split(str, " ")
var split []string
if len(spaceSplit) > 1 {
split = strings.Split(spaceSplit[1], ",")
} else {
split = strings.Split(str, ",")
}
if len(split) > 1 {
fg, bg = split[0], split[1]
} else {
fg = split[0]
}
fg = strings.TrimSpace(fg)
bg = strings.TrimSpace(bg)
var fgColor, bgColor tcell.Color
if fg == "" {
fgColor, _, _ = defStyle.Decompose()
} else {
fgColor = StringToColor(fg)
}
if bg == "" {
_, bgColor, _ = defStyle.Decompose()
} else {
bgColor = StringToColor(bg)
}
style := defStyle.Foreground(fgColor).Background(bgColor)
if strings.Contains(str, "bold") {
style = style.Bold(true)
}
if strings.Contains(str, "reverse") {
style = style.Reverse(true)
}
if strings.Contains(str, "underline") {
style = style.Underline(true)
}
return style
}
// StringToColor returns a tcell color from a string representation of a color
// We accept either bright... or light... to mean the brighter version of a color
func StringToColor(str string) tcell.Color {
switch str {
case "black":
return tcell.ColorBlack
case "red":
return tcell.ColorMaroon
case "green":
return tcell.ColorGreen
case "yellow":
return tcell.ColorOlive
case "blue":
return tcell.ColorNavy
case "magenta":
return tcell.ColorPurple
case "cyan":
return tcell.ColorTeal
case "white":
return tcell.ColorSilver
case "brightblack", "lightblack":
return tcell.ColorGray
case "brightred", "lightred":
return tcell.ColorRed
case "brightgreen", "lightgreen":
return tcell.ColorLime
case "brightyellow", "lightyellow":
return tcell.ColorYellow
case "brightblue", "lightblue":
return tcell.ColorBlue
case "brightmagenta", "lightmagenta":
return tcell.ColorFuchsia
case "brightcyan", "lightcyan":
return tcell.ColorAqua
case "brightwhite", "lightwhite":
return tcell.ColorWhite
case "default":
return tcell.ColorDefault
default:
// Check if this is a 256 color
if num, err := strconv.Atoi(str); err == nil {
return GetColor256(num)
}
// Probably a truecolor hex value
return tcell.GetColor(str)
}
}
// GetColor256 returns the tcell color for a number between 0 and 255
func GetColor256(color int) tcell.Color {
colors := []tcell.Color{tcell.ColorBlack, tcell.ColorMaroon, tcell.ColorGreen,
tcell.ColorOlive, tcell.ColorNavy, tcell.ColorPurple,
tcell.ColorTeal, tcell.ColorSilver, tcell.ColorGray,
tcell.ColorRed, tcell.ColorLime, tcell.ColorYellow,
tcell.ColorBlue, tcell.ColorFuchsia, tcell.ColorAqua,
tcell.ColorWhite, tcell.Color16, tcell.Color17, tcell.Color18, tcell.Color19, tcell.Color20,
tcell.Color21, tcell.Color22, tcell.Color23, tcell.Color24, tcell.Color25, tcell.Color26, tcell.Color27, tcell.Color28,
tcell.Color29, tcell.Color30, tcell.Color31, tcell.Color32, tcell.Color33, tcell.Color34, tcell.Color35, tcell.Color36,
tcell.Color37, tcell.Color38, tcell.Color39, tcell.Color40, tcell.Color41, tcell.Color42, tcell.Color43, tcell.Color44,
tcell.Color45, tcell.Color46, tcell.Color47, tcell.Color48, tcell.Color49, tcell.Color50, tcell.Color51, tcell.Color52,
tcell.Color53, tcell.Color54, tcell.Color55, tcell.Color56, tcell.Color57, tcell.Color58, tcell.Color59, tcell.Color60,
tcell.Color61, tcell.Color62, tcell.Color63, tcell.Color64, tcell.Color65, tcell.Color66, tcell.Color67, tcell.Color68,
tcell.Color69, tcell.Color70, tcell.Color71, tcell.Color72, tcell.Color73, tcell.Color74, tcell.Color75, tcell.Color76,
tcell.Color77, tcell.Color78, tcell.Color79, tcell.Color80, tcell.Color81, tcell.Color82, tcell.Color83, tcell.Color84,
tcell.Color85, tcell.Color86, tcell.Color87, tcell.Color88, tcell.Color89, tcell.Color90, tcell.Color91, tcell.Color92,
tcell.Color93, tcell.Color94, tcell.Color95, tcell.Color96, tcell.Color97, tcell.Color98, tcell.Color99, tcell.Color100,
tcell.Color101, tcell.Color102, tcell.Color103, tcell.Color104, tcell.Color105, tcell.Color106, tcell.Color107, tcell.Color108,
tcell.Color109, tcell.Color110, tcell.Color111, tcell.Color112, tcell.Color113, tcell.Color114, tcell.Color115, tcell.Color116,
tcell.Color117, tcell.Color118, tcell.Color119, tcell.Color120, tcell.Color121, tcell.Color122, tcell.Color123, tcell.Color124,
tcell.Color125, tcell.Color126, tcell.Color127, tcell.Color128, tcell.Color129, tcell.Color130, tcell.Color131, tcell.Color132,
tcell.Color133, tcell.Color134, tcell.Color135, tcell.Color136, tcell.Color137, tcell.Color138, tcell.Color139, tcell.Color140,
tcell.Color141, tcell.Color142, tcell.Color143, tcell.Color144, tcell.Color145, tcell.Color146, tcell.Color147, tcell.Color148,
tcell.Color149, tcell.Color150, tcell.Color151, tcell.Color152, tcell.Color153, tcell.Color154, tcell.Color155, tcell.Color156,
tcell.Color157, tcell.Color158, tcell.Color159, tcell.Color160, tcell.Color161, tcell.Color162, tcell.Color163, tcell.Color164,
tcell.Color165, tcell.Color166, tcell.Color167, tcell.Color168, tcell.Color169, tcell.Color170, tcell.Color171, tcell.Color172,
tcell.Color173, tcell.Color174, tcell.Color175, tcell.Color176, tcell.Color177, tcell.Color178, tcell.Color179, tcell.Color180,
tcell.Color181, tcell.Color182, tcell.Color183, tcell.Color184, tcell.Color185, tcell.Color186, tcell.Color187, tcell.Color188,
tcell.Color189, tcell.Color190, tcell.Color191, tcell.Color192, tcell.Color193, tcell.Color194, tcell.Color195, tcell.Color196,
tcell.Color197, tcell.Color198, tcell.Color199, tcell.Color200, tcell.Color201, tcell.Color202, tcell.Color203, tcell.Color204,
tcell.Color205, tcell.Color206, tcell.Color207, tcell.Color208, tcell.Color209, tcell.Color210, tcell.Color211, tcell.Color212,
tcell.Color213, tcell.Color214, tcell.Color215, tcell.Color216, tcell.Color217, tcell.Color218, tcell.Color219, tcell.Color220,
tcell.Color221, tcell.Color222, tcell.Color223, tcell.Color224, tcell.Color225, tcell.Color226, tcell.Color227, tcell.Color228,
tcell.Color229, tcell.Color230, tcell.Color231, tcell.Color232, tcell.Color233, tcell.Color234, tcell.Color235, tcell.Color236,
tcell.Color237, tcell.Color238, tcell.Color239, tcell.Color240, tcell.Color241, tcell.Color242, tcell.Color243, tcell.Color244,
tcell.Color245, tcell.Color246, tcell.Color247, tcell.Color248, tcell.Color249, tcell.Color250, tcell.Color251, tcell.Color252,
tcell.Color253, tcell.Color254, tcell.Color255,
}
return colors[color]
}

716
cmd/micro/command.go Normal file
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package main
import (
"bytes"
"fmt"
"io"
"os"
"os/exec"
"os/signal"
"path/filepath"
"regexp"
"runtime"
"strconv"
"strings"
humanize "github.com/dustin/go-humanize"
"github.com/mitchellh/go-homedir"
)
// A Command contains a action (a function to call) as well as information about how to autocomplete the command
type Command struct {
action func([]string)
completions []Completion
}
// A StrCommand is similar to a command but keeps the name of the action
type StrCommand struct {
action string
completions []Completion
}
var commands map[string]Command
var commandActions map[string]func([]string)
func init() {
commandActions = map[string]func([]string){
"Set": Set,
"SetLocal": SetLocal,
"Show": Show,
"Run": Run,
"Bind": Bind,
"Quit": Quit,
"Save": Save,
"Replace": Replace,
"ReplaceAll": ReplaceAll,
"VSplit": VSplit,
"HSplit": HSplit,
"Tab": NewTab,
"Help": Help,
"Eval": Eval,
"ToggleLog": ToggleLog,
"Plugin": PluginCmd,
"Reload": Reload,
"Cd": Cd,
"Pwd": Pwd,
"Open": Open,
"TabSwitch": TabSwitch,
"MemUsage": MemUsage,
}
}
// InitCommands initializes the default commands
func InitCommands() {
commands = make(map[string]Command)
defaults := DefaultCommands()
parseCommands(defaults)
}
func parseCommands(userCommands map[string]StrCommand) {
for k, v := range userCommands {
MakeCommand(k, v.action, v.completions...)
}
}
// MakeCommand is a function to easily create new commands
// This can be called by plugins in Lua so that plugins can define their own commands
func MakeCommand(name, function string, completions ...Completion) {
action := commandActions[function]
if _, ok := commandActions[function]; !ok {
// If the user seems to be binding a function that doesn't exist
// We hope that it's a lua function that exists and bind it to that
action = LuaFunctionCommand(function)
}
commands[name] = Command{action, completions}
}
// DefaultCommands returns a map containing micro's default commands
func DefaultCommands() map[string]StrCommand {
return map[string]StrCommand{
"set": {"Set", []Completion{OptionCompletion, NoCompletion}},
"setlocal": {"SetLocal", []Completion{OptionCompletion, NoCompletion}},
"show": {"Show", []Completion{OptionCompletion, NoCompletion}},
"bind": {"Bind", []Completion{NoCompletion}},
"run": {"Run", []Completion{NoCompletion}},
"quit": {"Quit", []Completion{NoCompletion}},
"save": {"Save", []Completion{NoCompletion}},
"replace": {"Replace", []Completion{NoCompletion}},
"replaceall": {"ReplaceAll", []Completion{NoCompletion}},
"vsplit": {"VSplit", []Completion{FileCompletion, NoCompletion}},
"hsplit": {"HSplit", []Completion{FileCompletion, NoCompletion}},
"tab": {"Tab", []Completion{FileCompletion, NoCompletion}},
"help": {"Help", []Completion{HelpCompletion, NoCompletion}},
"eval": {"Eval", []Completion{NoCompletion}},
"log": {"ToggleLog", []Completion{NoCompletion}},
"plugin": {"Plugin", []Completion{PluginCmdCompletion, PluginNameCompletion}},
"reload": {"Reload", []Completion{NoCompletion}},
"cd": {"Cd", []Completion{FileCompletion}},
"pwd": {"Pwd", []Completion{NoCompletion}},
"open": {"Open", []Completion{FileCompletion}},
"tabswitch": {"TabSwitch", []Completion{NoCompletion}},
"memusage": {"MemUsage", []Completion{NoCompletion}},
}
}
// PluginCmd installs, removes, updates, lists, or searches for given plugins
func PluginCmd(args []string) {
if len(args) >= 1 {
switch args[0] {
case "install":
installedVersions := GetInstalledVersions(false)
for _, plugin := range args[1:] {
pp := GetAllPluginPackages().Get(plugin)
if pp == nil {
messenger.Error("Unknown plugin \"" + plugin + "\"")
} else if err := pp.IsInstallable(); err != nil {
messenger.Error("Error installing ", plugin, ": ", err)
} else {
for _, installed := range installedVersions {
if pp.Name == installed.pack.Name {
if pp.Versions[0].Version.Compare(installed.Version) == 1 {
messenger.Error(pp.Name, " is already installed but out-of-date: use 'plugin update ", pp.Name, "' to update")
} else {
messenger.Error(pp.Name, " is already installed")
}
}
}
pp.Install()
}
}
case "remove":
removed := ""
for _, plugin := range args[1:] {
// check if the plugin exists.
if _, ok := loadedPlugins[plugin]; ok {
UninstallPlugin(plugin)
removed += plugin + " "
continue
}
}
if !IsSpaces(removed) {
messenger.Message("Removed ", removed)
} else {
messenger.Error("The requested plugins do not exist")
}
case "update":
UpdatePlugins(args[1:])
case "list":
plugins := GetInstalledVersions(false)
messenger.AddLog("----------------")
messenger.AddLog("The following plugins are currently installed:\n")
for _, p := range plugins {
messenger.AddLog(fmt.Sprintf("%s (%s)", p.pack.Name, p.Version))
}
messenger.AddLog("----------------")
if len(plugins) > 0 {
if CurView().Type != vtLog {
ToggleLog([]string{})
}
}
case "search":
plugins := SearchPlugin(args[1:])
messenger.Message(len(plugins), " plugins found")
for _, p := range plugins {
messenger.AddLog("----------------")
messenger.AddLog(p.String())
}
messenger.AddLog("----------------")
if len(plugins) > 0 {
if CurView().Type != vtLog {
ToggleLog([]string{})
}
}
case "available":
packages := GetAllPluginPackages()
messenger.AddLog("Available Plugins:")
for _, pkg := range packages {
messenger.AddLog(pkg.Name)
}
if CurView().Type != vtLog {
ToggleLog([]string{})
}
}
} else {
messenger.Error("Not enough arguments")
}
}
// TabSwitch switches to a given tab either by name or by number
func TabSwitch(args []string) {
if len(args) > 0 {
num, err := strconv.Atoi(args[0])
if err != nil {
// Check for tab with this name
found := false
for _, t := range tabs {
v := t.views[t.CurView]
if v.Buf.GetName() == args[0] {
curTab = v.TabNum
found = true
}
}
if !found {
messenger.Error("Could not find tab: ", err)
}
} else {
num--
if num >= 0 && num < len(tabs) {
curTab = num
} else {
messenger.Error("Invalid tab index")
}
}
}
}
// Cd changes the current working directory
func Cd(args []string) {
if len(args) > 0 {
home, _ := homedir.Dir()
path := strings.Replace(args[0], "~", home, 1)
os.Chdir(path)
for _, tab := range tabs {
for _, view := range tab.views {
wd, _ := os.Getwd()
view.Buf.Path, _ = MakeRelative(view.Buf.AbsPath, wd)
if p, _ := filepath.Abs(view.Buf.Path); !strings.Contains(p, wd) {
view.Buf.Path = view.Buf.AbsPath
}
}
}
}
}
// MemUsage prints micro's memory usage
// Alloc shows how many bytes are currently in use
// Sys shows how many bytes have been requested from the operating system
// NumGC shows how many times the GC has been run
// Note that Go commonly reserves more memory from the OS than is currently in-use/required
// Additionally, even if Go returns memory to the OS, the OS does not always claim it because
// there may be plenty of memory to spare
func MemUsage(args []string) {
var mem runtime.MemStats
runtime.ReadMemStats(&mem)
messenger.Message(fmt.Sprintf("Alloc: %v, Sys: %v, NumGC: %v", humanize.Bytes(mem.Alloc), humanize.Bytes(mem.Sys), mem.NumGC))
}
// Pwd prints the current working directory
func Pwd(args []string) {
wd, err := os.Getwd()
if err != nil {
messenger.Message(err.Error())
} else {
messenger.Message(wd)
}
}
// Open opens a new buffer with a given filename
func Open(args []string) {
if len(args) > 0 {
filename := args[0]
// the filename might or might not be quoted, so unquote first then join the strings.
filename = strings.Join(SplitCommandArgs(filename), " ")
CurView().Open(filename)
} else {
messenger.Error("No filename")
}
}
// ToggleLog toggles the log view
func ToggleLog(args []string) {
buffer := messenger.getBuffer()
if CurView().Type != vtLog {
CurView().HSplit(buffer)
CurView().Type = vtLog
RedrawAll()
buffer.Cursor.Loc = buffer.Start()
CurView().Relocate()
buffer.Cursor.Loc = buffer.End()
CurView().Relocate()
} else {
CurView().Quit(true)
}
}
// Reload reloads all files (syntax files, colorschemes...)
func Reload(args []string) {
LoadAll()
}
// Help tries to open the given help page in a horizontal split
func Help(args []string) {
if len(args) < 1 {
// Open the default help if the user just typed "> help"
CurView().openHelp("help")
} else {
helpPage := args[0]
if FindRuntimeFile(RTHelp, helpPage) != nil {
CurView().openHelp(helpPage)
} else {
messenger.Error("Sorry, no help for ", helpPage)
}
}
}
// VSplit opens a vertical split with file given in the first argument
// If no file is given, it opens an empty buffer in a new split
func VSplit(args []string) {
if len(args) == 0 {
CurView().VSplit(NewBufferFromString("", ""))
} else {
filename := args[0]
home, _ := homedir.Dir()
filename = strings.Replace(filename, "~", home, 1)
file, err := os.Open(filename)
fileInfo, _ := os.Stat(filename)
if err == nil && fileInfo.IsDir() {
messenger.Error(filename, " is a directory")
return
}
defer file.Close()
var buf *Buffer
if err != nil {
// File does not exist -- create an empty buffer with that name
buf = NewBufferFromString("", filename)
} else {
buf = NewBuffer(file, FSize(file), filename)
}
CurView().VSplit(buf)
}
}
// HSplit opens a horizontal split with file given in the first argument
// If no file is given, it opens an empty buffer in a new split
func HSplit(args []string) {
if len(args) == 0 {
CurView().HSplit(NewBufferFromString("", ""))
} else {
filename := args[0]
home, _ := homedir.Dir()
filename = strings.Replace(filename, "~", home, 1)
file, err := os.Open(filename)
fileInfo, _ := os.Stat(filename)
if err == nil && fileInfo.IsDir() {
messenger.Error(filename, " is a directory")
return
}
defer file.Close()
var buf *Buffer
if err != nil {
// File does not exist -- create an empty buffer with that name
buf = NewBufferFromString("", filename)
} else {
buf = NewBuffer(file, FSize(file), filename)
}
CurView().HSplit(buf)
}
}
// Eval evaluates a lua expression
func Eval(args []string) {
if len(args) >= 1 {
err := L.DoString(args[0])
if err != nil {
messenger.Error(err)
}
} else {
messenger.Error("Not enough arguments")
}
}
// NewTab opens the given file in a new tab
func NewTab(args []string) {
if len(args) == 0 {
CurView().AddTab(true)
} else {
filename := args[0]
home, _ := homedir.Dir()
filename = strings.Replace(filename, "~", home, 1)
file, err := os.Open(filename)
fileInfo, _ := os.Stat(filename)
if err == nil && fileInfo.IsDir() {
messenger.Error(filename, " is a directory")
return
}
defer file.Close()
var buf *Buffer
if err != nil {
buf = NewBufferFromString("", filename)
} else {
buf = NewBuffer(file, FSize(file), filename)
}
tab := NewTabFromView(NewView(buf))
tab.SetNum(len(tabs))
tabs = append(tabs, tab)
curTab = len(tabs) - 1
if len(tabs) == 2 {
for _, t := range tabs {
for _, v := range t.views {
v.ToggleTabbar()
}
}
}
}
}
// Set sets an option
func Set(args []string) {
if len(args) < 2 {
messenger.Error("Not enough arguments")
return
}
option := args[0]
value := args[1]
SetOptionAndSettings(option, value)
}
// SetLocal sets an option local to the buffer
func SetLocal(args []string) {
if len(args) < 2 {
messenger.Error("Not enough arguments")
return
}
option := args[0]
value := args[1]
err := SetLocalOption(option, value, CurView())
if err != nil {
messenger.Error(err.Error())
}
}
// Show shows the value of the given option
func Show(args []string) {
if len(args) < 1 {
messenger.Error("Please provide an option to show")
return
}
option := GetOption(args[0])
if option == nil {
messenger.Error(args[0], " is not a valid option")
return
}
messenger.Message(option)
}
// Bind creates a new keybinding
func Bind(args []string) {
if len(args) < 2 {
messenger.Error("Not enough arguments")
return
}
BindKey(args[0], args[1])
}
// Run runs a shell command in the background
func Run(args []string) {
// Run a shell command in the background (openTerm is false)
HandleShellCommand(JoinCommandArgs(args...), false, true)
}
// Quit closes the main view
func Quit(args []string) {
// Close the main view
CurView().Quit(true)
}
// Save saves the buffer in the main view
func Save(args []string) {
if len(args) == 0 {
// Save the main view
CurView().Save(true)
} else {
CurView().Buf.SaveAs(args[0])
}
}
// Replace runs search and replace
func Replace(args []string) {
if len(args) < 2 || len(args) > 3 {
// We need to find both a search and replace expression
messenger.Error("Invalid replace statement: " + strings.Join(args, " "))
return
}
allAtOnce := false
if len(args) == 3 {
// user added -a flag
if args[2] == "-a" {
allAtOnce = true
} else {
messenger.Error("Invalid replace flag: " + args[2])
return
}
}
search := string(args[0])
replace := string(args[1])
regex, err := regexp.Compile("(?m)" + search)
if err != nil {
// There was an error with the user's regex
messenger.Error(err.Error())
return
}
view := CurView()
found := 0
replaceAll := func() {
var deltas []Delta
deltaXOffset := Count(replace) - Count(search)
for i := 0; i < view.Buf.LinesNum(); i++ {
matches := regex.FindAllIndex(view.Buf.lines[i].data, -1)
str := string(view.Buf.lines[i].data)
if matches != nil {
xOffset := 0
for _, m := range matches {
from := Loc{runePos(m[0], str) + xOffset, i}
to := Loc{runePos(m[1], str) + xOffset, i}
xOffset += deltaXOffset
deltas = append(deltas, Delta{replace, from, to})
found++
}
}
}
view.Buf.MultipleReplace(deltas)
}
if allAtOnce {
replaceAll()
} else {
for {
// The 'check' flag was used
Search(search, view, true)
if !view.Cursor.HasSelection() {
break
}
view.Relocate()
RedrawAll()
choice, canceled := messenger.LetterPrompt("Perform replacement? (y,n,a)", 'y', 'n', 'a')
if canceled {
if view.Cursor.HasSelection() {
view.Cursor.Loc = view.Cursor.CurSelection[0]
view.Cursor.ResetSelection()
}
messenger.Reset()
break
} else if choice == 'a' {
if view.Cursor.HasSelection() {
view.Cursor.Loc = view.Cursor.CurSelection[0]
view.Cursor.ResetSelection()
}
messenger.Reset()
replaceAll()
break
} else if choice == 'y' {
view.Cursor.DeleteSelection()
view.Buf.Insert(view.Cursor.Loc, replace)
view.Cursor.ResetSelection()
messenger.Reset()
found++
}
if view.Cursor.HasSelection() {
searchStart = view.Cursor.CurSelection[1]
} else {
searchStart = view.Cursor.Loc
}
}
}
view.Cursor.Relocate()
if found > 1 {
messenger.Message("Replaced ", found, " occurrences of ", search)
} else if found == 1 {
messenger.Message("Replaced ", found, " occurrence of ", search)
} else {
messenger.Message("Nothing matched ", search)
}
}
// ReplaceAll replaces search term all at once
func ReplaceAll(args []string) {
// aliased to Replace command
Replace(append(args, "-a"))
}
// RunShellCommand executes a shell command and returns the output/error
func RunShellCommand(input string) (string, error) {
inputCmd := SplitCommandArgs(input)[0]
args := SplitCommandArgs(input)[1:]
cmd := exec.Command(inputCmd, args...)
outputBytes := &bytes.Buffer{}
cmd.Stdout = outputBytes
cmd.Stderr = outputBytes
cmd.Start()
err := cmd.Wait() // wait for command to finish
outstring := outputBytes.String()
return outstring, err
}
// HandleShellCommand runs the shell command
// The openTerm argument specifies whether a terminal should be opened (for viewing output
// or interacting with stdin)
func HandleShellCommand(input string, openTerm bool, waitToFinish bool) string {
inputCmd := SplitCommandArgs(input)[0]
if !openTerm {
// Simply run the command in the background and notify the user when it's done
messenger.Message("Running...")
go func() {
output, err := RunShellCommand(input)
totalLines := strings.Split(output, "\n")
if len(totalLines) < 3 {
if err == nil {
messenger.Message(inputCmd, " exited without error")
} else {
messenger.Message(inputCmd, " exited with error: ", err, ": ", output)
}
} else {
messenger.Message(output)
}
// We have to make sure to redraw
RedrawAll()
}()
} else {
// Shut down the screen because we're going to interact directly with the shell
screen.Fini()
screen = nil
args := SplitCommandArgs(input)[1:]
// Set up everything for the command
var outputBuf bytes.Buffer
cmd := exec.Command(inputCmd, args...)
cmd.Stdin = os.Stdin
cmd.Stdout = io.MultiWriter(os.Stdout, &outputBuf)
cmd.Stderr = os.Stderr
// This is a trap for Ctrl-C so that it doesn't kill micro
// Instead we trap Ctrl-C to kill the program we're running
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
go func() {
for range c {
cmd.Process.Kill()
}
}()
cmd.Start()
err := cmd.Wait()
output := outputBuf.String()
if err != nil {
output = err.Error()
}
if waitToFinish {
// This is just so we don't return right away and let the user press enter to return
TermMessage("")
}
// Start the screen back up
InitScreen()
return output
}
return ""
}
// HandleCommand handles input from the user
func HandleCommand(input string) {
args := SplitCommandArgs(input)
inputCmd := args[0]
if _, ok := commands[inputCmd]; !ok {
messenger.Error("Unknown command ", inputCmd)
} else {
commands[inputCmd].action(args[1:])
}
}

372
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package main
import (
"github.com/zyedidia/clipboard"
)
// The Cursor struct stores the location of the cursor in the view
// The complicated part about the cursor is storing its location.
// The cursor must be displayed at an x, y location, but since the buffer
// uses a rope to store text, to insert text we must have an index. It
// is also simpler to use character indicies for other tasks such as
// selection.
type Cursor struct {
buf *Buffer
Loc
// Last cursor x position
LastVisualX int
// The current selection as a range of character numbers (inclusive)
CurSelection [2]Loc
// The original selection as a range of character numbers
// This is used for line and word selection where it is necessary
// to know what the original selection was
OrigSelection [2]Loc
// Which cursor index is this (for multiple cursors)
Num int
}
// Goto puts the cursor at the given cursor's location and gives the current cursor its selection too
func (c *Cursor) Goto(b Cursor) {
c.X, c.Y, c.LastVisualX = b.X, b.Y, b.LastVisualX
c.OrigSelection, c.CurSelection = b.OrigSelection, b.CurSelection
}
// CopySelection copies the user's selection to either "primary" or "clipboard"
func (c *Cursor) CopySelection(target string) {
if c.HasSelection() {
if target != "primary" || c.buf.Settings["useprimary"].(bool) {
clipboard.WriteAll(c.GetSelection(), target)
}
}
}
// ResetSelection resets the user's selection
func (c *Cursor) ResetSelection() {
c.CurSelection[0] = c.buf.Start()
c.CurSelection[1] = c.buf.Start()
}
// SetSelectionStart sets the start of the selection
func (c *Cursor) SetSelectionStart(pos Loc) {
c.CurSelection[0] = pos
}
// SetSelectionEnd sets the end of the selection
func (c *Cursor) SetSelectionEnd(pos Loc) {
c.CurSelection[1] = pos
}
// HasSelection returns whether or not the user has selected anything
func (c *Cursor) HasSelection() bool {
return c.CurSelection[0] != c.CurSelection[1]
}
// DeleteSelection deletes the currently selected text
func (c *Cursor) DeleteSelection() {
if c.CurSelection[0].GreaterThan(c.CurSelection[1]) {
c.buf.Remove(c.CurSelection[1], c.CurSelection[0])
c.Loc = c.CurSelection[1]
} else if !c.HasSelection() {
return
} else {
c.buf.Remove(c.CurSelection[0], c.CurSelection[1])
c.Loc = c.CurSelection[0]
}
}
// GetSelection returns the cursor's selection
func (c *Cursor) GetSelection() string {
if InBounds(c.CurSelection[0], c.buf) && InBounds(c.CurSelection[1], c.buf) {
if c.CurSelection[0].GreaterThan(c.CurSelection[1]) {
return c.buf.Substr(c.CurSelection[1], c.CurSelection[0])
}
return c.buf.Substr(c.CurSelection[0], c.CurSelection[1])
}
return ""
}
// SelectLine selects the current line
func (c *Cursor) SelectLine() {
c.Start()
c.SetSelectionStart(c.Loc)
c.End()
if c.buf.NumLines-1 > c.Y {
c.SetSelectionEnd(c.Loc.Move(1, c.buf))
} else {
c.SetSelectionEnd(c.Loc)
}
c.OrigSelection = c.CurSelection
}
// AddLineToSelection adds the current line to the selection
func (c *Cursor) AddLineToSelection() {
if c.Loc.LessThan(c.OrigSelection[0]) {
c.Start()
c.SetSelectionStart(c.Loc)
c.SetSelectionEnd(c.OrigSelection[1])
}
if c.Loc.GreaterThan(c.OrigSelection[1]) {
c.End()
c.SetSelectionEnd(c.Loc.Move(1, c.buf))
c.SetSelectionStart(c.OrigSelection[0])
}
if c.Loc.LessThan(c.OrigSelection[1]) && c.Loc.GreaterThan(c.OrigSelection[0]) {
c.CurSelection = c.OrigSelection
}
}
// SelectWord selects the word the cursor is currently on
func (c *Cursor) SelectWord() {
if len(c.buf.Line(c.Y)) == 0 {
return
}
if !IsWordChar(string(c.RuneUnder(c.X))) {
c.SetSelectionStart(c.Loc)
c.SetSelectionEnd(c.Loc.Move(1, c.buf))
c.OrigSelection = c.CurSelection
return
}
forward, backward := c.X, c.X
for backward > 0 && IsWordChar(string(c.RuneUnder(backward-1))) {
backward--
}
c.SetSelectionStart(Loc{backward, c.Y})
c.OrigSelection[0] = c.CurSelection[0]
for forward < Count(c.buf.Line(c.Y))-1 && IsWordChar(string(c.RuneUnder(forward+1))) {
forward++
}
c.SetSelectionEnd(Loc{forward, c.Y}.Move(1, c.buf))
c.OrigSelection[1] = c.CurSelection[1]
c.Loc = c.CurSelection[1]
}
// AddWordToSelection adds the word the cursor is currently on to the selection
func (c *Cursor) AddWordToSelection() {
if c.Loc.GreaterThan(c.OrigSelection[0]) && c.Loc.LessThan(c.OrigSelection[1]) {
c.CurSelection = c.OrigSelection
return
}
if c.Loc.LessThan(c.OrigSelection[0]) {
backward := c.X
for backward > 0 && IsWordChar(string(c.RuneUnder(backward-1))) {
backward--
}
c.SetSelectionStart(Loc{backward, c.Y})
c.SetSelectionEnd(c.OrigSelection[1])
}
if c.Loc.GreaterThan(c.OrigSelection[1]) {
forward := c.X
for forward < Count(c.buf.Line(c.Y))-1 && IsWordChar(string(c.RuneUnder(forward+1))) {
forward++
}
c.SetSelectionEnd(Loc{forward, c.Y}.Move(1, c.buf))
c.SetSelectionStart(c.OrigSelection[0])
}
c.Loc = c.CurSelection[1]
}
// SelectTo selects from the current cursor location to the given location
func (c *Cursor) SelectTo(loc Loc) {
if loc.GreaterThan(c.OrigSelection[0]) {
c.SetSelectionStart(c.OrigSelection[0])
c.SetSelectionEnd(loc)
} else {
c.SetSelectionStart(loc)
c.SetSelectionEnd(c.OrigSelection[0])
}
}
// WordRight moves the cursor one word to the right
func (c *Cursor) WordRight() {
for IsWhitespace(c.RuneUnder(c.X)) {
if c.X == Count(c.buf.Line(c.Y)) {
c.Right()
return
}
c.Right()
}
c.Right()
for IsWordChar(string(c.RuneUnder(c.X))) {
if c.X == Count(c.buf.Line(c.Y)) {
return
}
c.Right()
}
}
// WordLeft moves the cursor one word to the left
func (c *Cursor) WordLeft() {
c.Left()
for IsWhitespace(c.RuneUnder(c.X)) {
if c.X == 0 {
return
}
c.Left()
}
c.Left()
for IsWordChar(string(c.RuneUnder(c.X))) {
if c.X == 0 {
return
}
c.Left()
}
c.Right()
}
// RuneUnder returns the rune under the given x position
func (c *Cursor) RuneUnder(x int) rune {
line := []rune(c.buf.Line(c.Y))
if len(line) == 0 {
return '\n'
}
if x >= len(line) {
return '\n'
} else if x < 0 {
x = 0
}
return line[x]
}
// UpN moves the cursor up N lines (if possible)
func (c *Cursor) UpN(amount int) {
proposedY := c.Y - amount
if proposedY < 0 {
proposedY = 0
c.LastVisualX = 0
} else if proposedY >= c.buf.NumLines {
proposedY = c.buf.NumLines - 1
}
runes := []rune(c.buf.Line(c.Y))
c.X = c.GetCharPosInLine(proposedY, c.LastVisualX)
if c.X > len(runes) {
c.X = len(runes)
}
c.Y = proposedY
}
// DownN moves the cursor down N lines (if possible)
func (c *Cursor) DownN(amount int) {
c.UpN(-amount)
}
// Up moves the cursor up one line (if possible)
func (c *Cursor) Up() {
c.UpN(1)
}
// Down moves the cursor down one line (if possible)
func (c *Cursor) Down() {
c.DownN(1)
}
// Left moves the cursor left one cell (if possible) or to the last line if it is at the beginning
func (c *Cursor) Left() {
if c.Loc == c.buf.Start() {
return
}
if c.X > 0 {
c.X--
} else {
c.Up()
c.End()
}
c.LastVisualX = c.GetVisualX()
}
// Right moves the cursor right one cell (if possible) or to the next line if it is at the end
func (c *Cursor) Right() {
if c.Loc == c.buf.End() {
return
}
if c.X < Count(c.buf.Line(c.Y)) {
c.X++
} else {
c.Down()
c.Start()
}
c.LastVisualX = c.GetVisualX()
}
// End moves the cursor to the end of the line it is on
func (c *Cursor) End() {
c.X = Count(c.buf.Line(c.Y))
c.LastVisualX = c.GetVisualX()
}
// Start moves the cursor to the start of the line it is on
func (c *Cursor) Start() {
c.X = 0
c.LastVisualX = c.GetVisualX()
}
// GetCharPosInLine gets the char position of a visual x y coordinate (this is necessary because tabs are 1 char but 4 visual spaces)
func (c *Cursor) GetCharPosInLine(lineNum, visualPos int) int {
// Get the tab size
tabSize := int(c.buf.Settings["tabsize"].(float64))
visualLineLen := StringWidth(c.buf.Line(lineNum), tabSize)
if visualPos > visualLineLen {
visualPos = visualLineLen
}
width := WidthOfLargeRunes(c.buf.Line(lineNum), tabSize)
if visualPos >= width {
return visualPos - width
}
return visualPos / tabSize
}
// GetVisualX returns the x value of the cursor in visual spaces
func (c *Cursor) GetVisualX() int {
runes := []rune(c.buf.Line(c.Y))
tabSize := int(c.buf.Settings["tabsize"].(float64))
if c.X > len(runes) {
c.X = len(runes) - 1
}
if c.X < 0 {
c.X = 0
}
return StringWidth(string(runes[:c.X]), tabSize)
}
// StoreVisualX stores the current visual x value in the cursor
func (c *Cursor) StoreVisualX() {
c.LastVisualX = c.GetVisualX()
}
// Relocate makes sure that the cursor is inside the bounds of the buffer
// If it isn't, it moves it to be within the buffer's lines
func (c *Cursor) Relocate() {
if c.Y < 0 {
c.Y = 0
} else if c.Y >= c.buf.NumLines {
c.Y = c.buf.NumLines - 1
}
if c.X < 0 {
c.X = 0
} else if c.X > Count(c.buf.Line(c.Y)) {
c.X = Count(c.buf.Line(c.Y))
}
}

View file

@ -1,31 +0,0 @@
package main
import (
"log"
"os"
"github.com/zyedidia/micro/v2/internal/util"
)
// NullWriter simply sends writes into the void
type NullWriter struct{}
// Write is empty
func (NullWriter) Write(data []byte) (n int, err error) {
return 0, nil
}
// InitLog sets up the debug log system for micro if it has been enabled by compile-time variables
func InitLog() {
if util.Debug == "ON" {
f, err := os.OpenFile("log.txt", os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666)
if err != nil {
log.Fatalf("error opening file: %v", err)
}
log.SetOutput(f)
log.Println("Micro started")
} else {
log.SetOutput(NullWriter{})
}
}

293
cmd/micro/eventhandler.go Normal file
View file

@ -0,0 +1,293 @@
package main
import (
"strings"
"time"
dmp "github.com/sergi/go-diff/diffmatchpatch"
"github.com/yuin/gopher-lua"
)
const (
// Opposite and undoing events must have opposite values
// TextEventInsert represents an insertion event
TextEventInsert = 1
// TextEventRemove represents a deletion event
TextEventRemove = -1
// TextEventReplace represents a replace event
TextEventReplace = 0
)
// TextEvent holds data for a manipulation on some text that can be undone
type TextEvent struct {
C Cursor
EventType int
Deltas []Delta
Time time.Time
}
type Delta struct {
Text string
Start Loc
End Loc
}
// ExecuteTextEvent runs a text event
func ExecuteTextEvent(t *TextEvent, buf *Buffer) {
if t.EventType == TextEventInsert {
for _, d := range t.Deltas {
buf.insert(d.Start, []byte(d.Text))
}
} else if t.EventType == TextEventRemove {
for i, d := range t.Deltas {
t.Deltas[i].Text = buf.remove(d.Start, d.End)
}
} else if t.EventType == TextEventReplace {
for i, d := range t.Deltas {
t.Deltas[i].Text = buf.remove(d.Start, d.End)
buf.insert(d.Start, []byte(d.Text))
t.Deltas[i].Start = d.Start
t.Deltas[i].End = Loc{d.Start.X + Count(d.Text), d.Start.Y}
}
for i, j := 0, len(t.Deltas)-1; i < j; i, j = i+1, j-1 {
t.Deltas[i], t.Deltas[j] = t.Deltas[j], t.Deltas[i]
}
}
}
// UndoTextEvent undoes a text event
func UndoTextEvent(t *TextEvent, buf *Buffer) {
t.EventType = -t.EventType
ExecuteTextEvent(t, buf)
}
// EventHandler executes text manipulations and allows undoing and redoing
type EventHandler struct {
buf *Buffer
UndoStack *Stack
RedoStack *Stack
}
// NewEventHandler returns a new EventHandler
func NewEventHandler(buf *Buffer) *EventHandler {
eh := new(EventHandler)
eh.UndoStack = new(Stack)
eh.RedoStack = new(Stack)
eh.buf = buf
return eh
}
// ApplyDiff takes a string and runs the necessary insertion and deletion events to make
// the buffer equal to that string
// This means that we can transform the buffer into any string and still preserve undo/redo
// through insert and delete events
func (eh *EventHandler) ApplyDiff(new string) {
differ := dmp.New()
diff := differ.DiffMain(eh.buf.String(), new, false)
loc := eh.buf.Start()
for _, d := range diff {
if d.Type == dmp.DiffDelete {
eh.Remove(loc, loc.Move(Count(d.Text), eh.buf))
} else {
if d.Type == dmp.DiffInsert {
eh.Insert(loc, d.Text)
}
loc = loc.Move(Count(d.Text), eh.buf)
}
}
}
// Insert creates an insert text event and executes it
func (eh *EventHandler) Insert(start Loc, text string) {
e := &TextEvent{
C: *eh.buf.cursors[eh.buf.curCursor],
EventType: TextEventInsert,
Deltas: []Delta{{text, start, Loc{0, 0}}},
Time: time.Now(),
}
eh.Execute(e)
e.Deltas[0].End = start.Move(Count(text), eh.buf)
end := e.Deltas[0].End
for _, c := range eh.buf.cursors {
move := func(loc Loc) Loc {
if start.Y != end.Y && loc.GreaterThan(start) {
loc.Y += end.Y - start.Y
} else if loc.Y == start.Y && loc.GreaterEqual(start) {
loc = loc.Move(Count(text), eh.buf)
}
return loc
}
c.Loc = move(c.Loc)
c.CurSelection[0] = move(c.CurSelection[0])
c.CurSelection[1] = move(c.CurSelection[1])
c.OrigSelection[0] = move(c.OrigSelection[0])
c.OrigSelection[1] = move(c.OrigSelection[1])
c.LastVisualX = c.GetVisualX()
}
}
// Remove creates a remove text event and executes it
func (eh *EventHandler) Remove(start, end Loc) {
e := &TextEvent{
C: *eh.buf.cursors[eh.buf.curCursor],
EventType: TextEventRemove,
Deltas: []Delta{{"", start, end}},
Time: time.Now(),
}
eh.Execute(e)
for _, c := range eh.buf.cursors {
move := func(loc Loc) Loc {
if start.Y != end.Y && loc.GreaterThan(end) {
loc.Y -= end.Y - start.Y
} else if loc.Y == end.Y && loc.GreaterEqual(end) {
loc = loc.Move(-Diff(start, end, eh.buf), eh.buf)
}
return loc
}
c.Loc = move(c.Loc)
c.CurSelection[0] = move(c.CurSelection[0])
c.CurSelection[1] = move(c.CurSelection[1])
c.OrigSelection[0] = move(c.OrigSelection[0])
c.OrigSelection[1] = move(c.OrigSelection[1])
c.LastVisualX = c.GetVisualX()
}
}
// MultipleReplace creates an multiple insertions executes them
func (eh *EventHandler) MultipleReplace(deltas []Delta) {
e := &TextEvent{
C: *eh.buf.cursors[eh.buf.curCursor],
EventType: TextEventReplace,
Deltas: deltas,
Time: time.Now(),
}
eh.Execute(e)
}
// Replace deletes from start to end and replaces it with the given string
func (eh *EventHandler) Replace(start, end Loc, replace string) {
eh.Remove(start, end)
eh.Insert(start, replace)
}
// Execute a textevent and add it to the undo stack
func (eh *EventHandler) Execute(t *TextEvent) {
if eh.RedoStack.Len() > 0 {
eh.RedoStack = new(Stack)
}
eh.UndoStack.Push(t)
for pl := range loadedPlugins {
ret, err := Call(pl+".onBeforeTextEvent", t)
if err != nil && !strings.HasPrefix(err.Error(), "function does not exist") {
TermMessage(err)
}
if val, ok := ret.(lua.LBool); ok && val == lua.LFalse {
return
}
}
ExecuteTextEvent(t, eh.buf)
}
// Undo the first event in the undo stack
func (eh *EventHandler) Undo() {
t := eh.UndoStack.Peek()
if t == nil {
return
}
startTime := t.Time.UnixNano() / int64(time.Millisecond)
eh.UndoOneEvent()
for {
t = eh.UndoStack.Peek()
if t == nil {
return
}
if startTime-(t.Time.UnixNano()/int64(time.Millisecond)) > undoThreshold {
return
}
startTime = t.Time.UnixNano() / int64(time.Millisecond)
eh.UndoOneEvent()
}
}
// UndoOneEvent undoes one event
func (eh *EventHandler) UndoOneEvent() {
// This event should be undone
// Pop it off the stack
t := eh.UndoStack.Pop()
if t == nil {
return
}
// Undo it
// Modifies the text event
UndoTextEvent(t, eh.buf)
// Set the cursor in the right place
teCursor := t.C
if teCursor.Num >= 0 && teCursor.Num < len(eh.buf.cursors) {
t.C = *eh.buf.cursors[teCursor.Num]
eh.buf.cursors[teCursor.Num].Goto(teCursor)
} else {
teCursor.Num = -1
}
// Push it to the redo stack
eh.RedoStack.Push(t)
}
// Redo the first event in the redo stack
func (eh *EventHandler) Redo() {
t := eh.RedoStack.Peek()
if t == nil {
return
}
startTime := t.Time.UnixNano() / int64(time.Millisecond)
eh.RedoOneEvent()
for {
t = eh.RedoStack.Peek()
if t == nil {
return
}
if (t.Time.UnixNano()/int64(time.Millisecond))-startTime > undoThreshold {
return
}
eh.RedoOneEvent()
}
}
// RedoOneEvent redoes one event
func (eh *EventHandler) RedoOneEvent() {
t := eh.RedoStack.Pop()
if t == nil {
return
}
// Modifies the text event
UndoTextEvent(t, eh.buf)
teCursor := t.C
if teCursor.Num >= 0 && teCursor.Num < len(eh.buf.cursors) {
t.C = *eh.buf.cursors[teCursor.Num]
eh.buf.cursors[teCursor.Num].Goto(teCursor)
} else {
teCursor.Num = -1
}
eh.UndoStack.Push(t)
}

View file

@ -0,0 +1,18 @@
package highlight
import "regexp"
// DetectFiletype will use the list of syntax definitions provided and the filename and first line of the file
// to determine the filetype of the file
// It will return the corresponding syntax definition for the filetype
func MatchFiletype(ftdetect [2]*regexp.Regexp, filename string, firstLine []byte) bool {
if ftdetect[0].MatchString(filename) {
return true
}
if ftdetect[1] != nil {
return ftdetect[1].Match(firstLine)
}
return false
}

View file

@ -3,52 +3,19 @@ package highlight
import (
"regexp"
"strings"
"unicode/utf8"
)
func sliceStart(slc []byte, index int) []byte {
len := len(slc)
i := 0
totalSize := 0
for totalSize < len {
if i >= index {
return slc[totalSize:]
}
_, _, size := DecodeCharacter(slc[totalSize:])
totalSize += size
i++
}
return slc[totalSize:]
}
func sliceEnd(slc []byte, index int) []byte {
len := len(slc)
i := 0
totalSize := 0
for totalSize < len {
if i >= index {
return slc[:totalSize]
}
_, _, size := DecodeCharacter(slc[totalSize:])
totalSize += size
i++
}
return slc[:totalSize]
}
// RunePos returns the rune index of a given byte index
// This could cause problems if the byte index is between code points
func runePos(p int, str []byte) int {
func runePos(p int, str string) int {
if p < 0 {
return 0
}
if p >= len(str) {
return CharacterCount(str)
return utf8.RuneCountInString(str)
}
return CharacterCount(str[:p])
return utf8.RuneCountInString(str[:p])
}
func combineLineMatch(src, dst LineMatch) LineMatch {
@ -69,13 +36,11 @@ type State *region
// LineStates is an interface for a buffer-like object which can also store the states and matches for every line
type LineStates interface {
LineBytes(n int) []byte
Line(n int) string
LinesNum() int
State(lineN int) State
SetState(lineN int, s State)
SetMatch(lineN int, m LineMatch)
Lock()
Unlock()
}
// A Highlighter contains the information needed to highlight a string
@ -95,15 +60,27 @@ func NewHighlighter(def *Def) *Highlighter {
// color's group (represented as one byte)
type LineMatch map[int]Group
func findIndex(regex *regexp.Regexp, skip *regexp.Regexp, str []byte) []int {
func findIndex(regex *regexp.Regexp, skip *regexp.Regexp, str []rune, canMatchStart, canMatchEnd bool) []int {
regexStr := regex.String()
if strings.Contains(regexStr, "^") {
if !canMatchStart {
return nil
}
}
if strings.Contains(regexStr, "$") {
if !canMatchEnd {
return nil
}
}
var strbytes []byte
if skip != nil {
strbytes = skip.ReplaceAllFunc(str, func(match []byte) []byte {
res := make([]byte, CharacterCount(match))
strbytes = skip.ReplaceAllFunc([]byte(string(str)), func(match []byte) []byte {
res := make([]byte, utf8.RuneCount(match))
return res
})
} else {
strbytes = str
strbytes = []byte(string(str))
}
match := regex.FindIndex(strbytes)
@ -111,20 +88,32 @@ func findIndex(regex *regexp.Regexp, skip *regexp.Regexp, str []byte) []int {
return nil
}
// return []int{match.Index, match.Index + match.Length}
return []int{runePos(match[0], str), runePos(match[1], str)}
return []int{runePos(match[0], string(str)), runePos(match[1], string(str))}
}
func findAllIndex(regex *regexp.Regexp, str []byte) [][]int {
matches := regex.FindAllIndex(str, -1)
func findAllIndex(regex *regexp.Regexp, str []rune, canMatchStart, canMatchEnd bool) [][]int {
regexStr := regex.String()
if strings.Contains(regexStr, "^") {
if !canMatchStart {
return nil
}
}
if strings.Contains(regexStr, "$") {
if !canMatchEnd {
return nil
}
}
matches := regex.FindAllIndex([]byte(string(str)), -1)
for i, m := range matches {
matches[i][0] = runePos(m[0], str)
matches[i][1] = runePos(m[1], str)
matches[i][0] = runePos(m[0], string(str))
matches[i][1] = runePos(m[1], string(str))
}
return matches
}
func (h *Highlighter) highlightRegion(highlights LineMatch, start int, canMatchEnd bool, lineNum int, line []byte, curRegion *region, statesOnly bool) LineMatch {
lineLen := CharacterCount(line)
func (h *Highlighter) highlightRegion(highlights LineMatch, start int, canMatchEnd bool, lineNum int, line []rune, curRegion *region, statesOnly bool) LineMatch {
// highlights := make(LineMatch)
if start == 0 {
if !statesOnly {
if _, ok := highlights[0]; !ok {
@ -133,65 +122,7 @@ func (h *Highlighter) highlightRegion(highlights LineMatch, start int, canMatchE
}
}
var firstRegion *region
firstLoc := []int{lineLen, 0}
searchNesting := true
endLoc := findIndex(curRegion.end, curRegion.skip, line)
if endLoc != nil {
if start == endLoc[0] {
searchNesting = false
} else {
firstLoc = endLoc
}
}
if searchNesting {
for _, r := range curRegion.rules.regions {
loc := findIndex(r.start, r.skip, line)
if loc != nil {
if loc[0] < firstLoc[0] {
firstLoc = loc
firstRegion = r
}
}
}
}
if firstRegion != nil && firstLoc[0] != lineLen {
if !statesOnly {
highlights[start+firstLoc[0]] = firstRegion.limitGroup
}
h.highlightEmptyRegion(highlights, start+firstLoc[1], canMatchEnd, lineNum, sliceStart(line, firstLoc[1]), statesOnly)
h.highlightRegion(highlights, start+firstLoc[1], canMatchEnd, lineNum, sliceStart(line, firstLoc[1]), firstRegion, statesOnly)
return highlights
}
if !statesOnly {
fullHighlights := make([]Group, lineLen)
for i := 0; i < len(fullHighlights); i++ {
fullHighlights[i] = curRegion.group
}
if searchNesting {
for _, p := range curRegion.rules.patterns {
if curRegion.group == curRegion.limitGroup || p.group == curRegion.limitGroup {
matches := findAllIndex(p.regex, line)
for _, m := range matches {
if ((endLoc == nil) || (m[0] < endLoc[0])) {
for i := m[0]; i < m[1]; i++ {
fullHighlights[i] = p.group
}
}
}
}
}
}
for i, h := range fullHighlights {
if i == 0 || h != fullHighlights[i-1] {
highlights[start+i] = h
}
}
}
loc := endLoc
loc := findIndex(curRegion.end, curRegion.skip, line, start == 0, canMatchEnd)
if loc != nil {
if !statesOnly {
highlights[start+loc[0]] = curRegion.limitGroup
@ -199,17 +130,67 @@ func (h *Highlighter) highlightRegion(highlights LineMatch, start int, canMatchE
if curRegion.parent == nil {
if !statesOnly {
highlights[start+loc[1]] = 0
h.highlightRegion(highlights, start, false, lineNum, line[:loc[0]], curRegion, statesOnly)
}
h.highlightEmptyRegion(highlights, start+loc[1], canMatchEnd, lineNum, sliceStart(line, loc[1]), statesOnly)
h.highlightEmptyRegion(highlights, start+loc[1], canMatchEnd, lineNum, line[loc[1]:], statesOnly)
return highlights
}
if !statesOnly {
highlights[start+loc[1]] = curRegion.parent.group
h.highlightRegion(highlights, start, false, lineNum, line[:loc[0]], curRegion, statesOnly)
}
h.highlightRegion(highlights, start+loc[1], canMatchEnd, lineNum, sliceStart(line, loc[1]), curRegion.parent, statesOnly)
h.highlightRegion(highlights, start+loc[1], canMatchEnd, lineNum, line[loc[1]:], curRegion.parent, statesOnly)
return highlights
}
if len(line) == 0 || statesOnly {
if canMatchEnd {
h.lastRegion = curRegion
}
return highlights
}
firstLoc := []int{len(line), 0}
var firstRegion *region
for _, r := range curRegion.rules.regions {
loc := findIndex(r.start, nil, line, start == 0, canMatchEnd)
if loc != nil {
if loc[0] < firstLoc[0] {
firstLoc = loc
firstRegion = r
}
}
}
if firstLoc[0] != len(line) {
highlights[start+firstLoc[0]] = firstRegion.limitGroup
h.highlightRegion(highlights, start, false, lineNum, line[:firstLoc[0]], curRegion, statesOnly)
h.highlightRegion(highlights, start+firstLoc[1], canMatchEnd, lineNum, line[firstLoc[1]:], firstRegion, statesOnly)
return highlights
}
fullHighlights := make([]Group, len([]rune(string(line))))
for i := 0; i < len(fullHighlights); i++ {
fullHighlights[i] = curRegion.group
}
for _, p := range curRegion.rules.patterns {
matches := findAllIndex(p.regex, line, start == 0, canMatchEnd)
for _, m := range matches {
for i := m[0]; i < m[1]; i++ {
fullHighlights[i] = p.group
}
}
}
for i, h := range fullHighlights {
if i == 0 || h != fullHighlights[i-1] {
// if _, ok := highlights[start+i]; !ok {
highlights[start+i] = h
// }
}
}
if canMatchEnd {
h.lastRegion = curRegion
}
@ -217,19 +198,18 @@ func (h *Highlighter) highlightRegion(highlights LineMatch, start int, canMatchE
return highlights
}
func (h *Highlighter) highlightEmptyRegion(highlights LineMatch, start int, canMatchEnd bool, lineNum int, line []byte, statesOnly bool) LineMatch {
lineLen := CharacterCount(line)
if lineLen == 0 {
func (h *Highlighter) highlightEmptyRegion(highlights LineMatch, start int, canMatchEnd bool, lineNum int, line []rune, statesOnly bool) LineMatch {
if len(line) == 0 {
if canMatchEnd {
h.lastRegion = nil
}
return highlights
}
firstLoc := []int{len(line), 0}
var firstRegion *region
firstLoc := []int{lineLen, 0}
for _, r := range h.Def.rules.regions {
loc := findIndex(r.start, r.skip, line)
loc := findIndex(r.start, nil, line, start == 0, canMatchEnd)
if loc != nil {
if loc[0] < firstLoc[0] {
firstLoc = loc
@ -237,12 +217,12 @@ func (h *Highlighter) highlightEmptyRegion(highlights LineMatch, start int, canM
}
}
}
if firstRegion != nil && firstLoc[0] != lineLen {
if firstLoc[0] != len(line) {
if !statesOnly {
highlights[start+firstLoc[0]] = firstRegion.limitGroup
}
h.highlightEmptyRegion(highlights, start, false, lineNum, sliceEnd(line, firstLoc[0]), statesOnly)
h.highlightRegion(highlights, start+firstLoc[1], canMatchEnd, lineNum, sliceStart(line, firstLoc[1]), firstRegion, statesOnly)
h.highlightEmptyRegion(highlights, start, false, lineNum, line[:firstLoc[0]], statesOnly)
h.highlightRegion(highlights, start+firstLoc[1], canMatchEnd, lineNum, line[firstLoc[1]:], firstRegion, statesOnly)
return highlights
}
@ -256,7 +236,7 @@ func (h *Highlighter) highlightEmptyRegion(highlights LineMatch, start int, canM
fullHighlights := make([]Group, len(line))
for _, p := range h.Def.rules.patterns {
matches := findAllIndex(p.regex, line)
matches := findAllIndex(p.regex, line, start == 0, canMatchEnd)
for _, m := range matches {
for i := m[0]; i < m[1]; i++ {
fullHighlights[i] = p.group
@ -287,7 +267,7 @@ func (h *Highlighter) HighlightString(input string) []LineMatch {
var lineMatches []LineMatch
for i := 0; i < len(lines); i++ {
line := []byte(lines[i])
line := []rune(lines[i])
highlights := make(LineMatch)
if i == 0 || h.lastRegion == nil {
@ -302,14 +282,8 @@ func (h *Highlighter) HighlightString(input string) []LineMatch {
// HighlightStates correctly sets all states for the buffer
func (h *Highlighter) HighlightStates(input LineStates) {
for i := 0; ; i++ {
input.Lock()
if i >= input.LinesNum() {
input.Unlock()
break
}
line := input.LineBytes(i)
for i := 0; i < input.LinesNum(); i++ {
line := []rune(input.Line(i))
// highlights := make(LineMatch)
if i == 0 || h.lastRegion == nil {
@ -321,22 +295,19 @@ func (h *Highlighter) HighlightStates(input LineStates) {
curState := h.lastRegion
input.SetState(i, curState)
input.Unlock()
}
}
// HighlightMatches sets the matches for each line from startline to endline
// HighlightMatches sets the matches for each line in between startline and endline
// It sets all other matches in the buffer to nil to conserve memory
// This assumes that all the states are set correctly
func (h *Highlighter) HighlightMatches(input LineStates, startline, endline int) {
for i := startline; i <= endline; i++ {
input.Lock()
for i := startline; i < endline; i++ {
if i >= input.LinesNum() {
input.Unlock()
break
}
line := input.LineBytes(i)
line := []rune(input.Line(i))
highlights := make(LineMatch)
var match LineMatch
@ -347,32 +318,20 @@ func (h *Highlighter) HighlightMatches(input LineStates, startline, endline int)
}
input.SetMatch(i, match)
input.Unlock()
}
}
// ReHighlightStates will scan down from `startline` and set the appropriate end of line state
// for each line until it comes across a line whose state does not change
// returns the number of the final line
func (h *Highlighter) ReHighlightStates(input LineStates, startline int) int {
// for each line until it comes across the same state in two consecutive lines
func (h *Highlighter) ReHighlightStates(input LineStates, startline int) {
// lines := input.LineData()
h.lastRegion = nil
if startline > 0 {
input.Lock()
if startline-1 < input.LinesNum() {
h.lastRegion = input.State(startline - 1)
}
input.Unlock()
h.lastRegion = input.State(startline - 1)
}
for i := startline; ; i++ {
input.Lock()
if i >= input.LinesNum() {
input.Unlock()
break
}
line := input.LineBytes(i)
for i := startline; i < input.LinesNum(); i++ {
line := []rune(input.Line(i))
// highlights := make(LineMatch)
// var match LineMatch
@ -385,22 +344,16 @@ func (h *Highlighter) ReHighlightStates(input LineStates, startline int) int {
lastState := input.State(i)
input.SetState(i, curState)
input.Unlock()
if curState == lastState {
return i
break
}
}
return input.LinesNum() - 1
}
// ReHighlightLine will rehighlight the state and match for a single line
func (h *Highlighter) ReHighlightLine(input LineStates, lineN int) {
input.Lock()
defer input.Unlock()
line := input.LineBytes(lineN)
line := []rune(input.Line(lineN))
highlights := make(LineMatch)
h.lastRegion = nil

View file

@ -1,7 +1,6 @@
package highlight
import (
"bytes"
"errors"
"fmt"
"regexp"
@ -33,28 +32,19 @@ func (g Group) String() string {
// Then it has the rules which define how to highlight the file
type Def struct {
*Header
rules *rules
}
type Header struct {
FileType string
FileNameRegex *regexp.Regexp
HeaderRegex *regexp.Regexp
SignatureRegex *regexp.Regexp
}
type HeaderYaml struct {
FileType string `yaml:"filetype"`
Detect struct {
FNameRegexStr string `yaml:"filename"`
HeaderRegexStr string `yaml:"header"`
SignatureRegexStr string `yaml:"signature"`
} `yaml:"detect"`
FileType string
FtDetect [2]*regexp.Regexp
}
type File struct {
FileType string
yamlSrc map[interface{}]interface{}
yamlSrc map[interface{}]interface{}
}
// A Pattern is one simple syntax rule
@ -92,97 +82,52 @@ func init() {
Groups = make(map[string]Group)
}
// MakeHeader takes a header (.hdr file) file and parses the header
// Header files make parsing more efficient when you only want to compute
// on the headers of syntax files
// A yaml file might take ~400us to parse while a header file only takes ~20us
func MakeHeader(data []byte) (*Header, error) {
lines := bytes.Split(data, []byte{'\n'})
if len(lines) < 4 {
return nil, errors.New("Header file has incorrect format")
}
header := new(Header)
var err error
header.FileType = string(lines[0])
fnameRegexStr := string(lines[1])
headerRegexStr := string(lines[2])
signatureRegexStr := string(lines[3])
func ParseFtDetect(file *File) (r [2]*regexp.Regexp, err error) {
defer func() {
if r := recover(); r != nil {
var ok bool
err, ok = r.(error)
if !ok {
err = fmt.Errorf("pkg: %v", r)
}
}
}()
if fnameRegexStr != "" {
header.FileNameRegex, err = regexp.Compile(fnameRegexStr)
}
if err == nil && headerRegexStr != "" {
header.HeaderRegex, err = regexp.Compile(headerRegexStr)
}
if err == nil && signatureRegexStr != "" {
header.SignatureRegex, err = regexp.Compile(signatureRegexStr)
rules := file.yamlSrc
loaded := 0
for k, v := range rules {
if k == "detect" {
ftdetect := v.(map[interface{}]interface{})
if len(ftdetect) >= 1 {
syntax, err := regexp.Compile(ftdetect["filename"].(string))
if err != nil {
return r, err
}
r[0] = syntax
}
if len(ftdetect) >= 2 {
header, err := regexp.Compile(ftdetect["header"].(string))
if err != nil {
return r, err
}
r[1] = header
}
loaded++
}
if loaded >= 2 {
break
}
}
if err != nil {
return nil, err
if loaded == 0 {
return r, errors.New("No detect regexes found")
}
return header, nil
}
// MakeHeaderYaml takes a yaml spec for a syntax file and parses the
// header
func MakeHeaderYaml(data []byte) (*Header, error) {
var hdrYaml HeaderYaml
err := yaml.Unmarshal(data, &hdrYaml)
if err != nil {
return nil, err
}
header := new(Header)
header.FileType = hdrYaml.FileType
if hdrYaml.Detect.FNameRegexStr != "" {
header.FileNameRegex, err = regexp.Compile(hdrYaml.Detect.FNameRegexStr)
}
if err == nil && hdrYaml.Detect.HeaderRegexStr != "" {
header.HeaderRegex, err = regexp.Compile(hdrYaml.Detect.HeaderRegexStr)
}
if err == nil && hdrYaml.Detect.SignatureRegexStr != "" {
header.SignatureRegex, err = regexp.Compile(hdrYaml.Detect.SignatureRegexStr)
}
if err != nil {
return nil, err
}
return header, nil
}
// MatchFileName will check the given file name with the stored regex
func (header *Header) MatchFileName(filename string) bool {
if header.FileNameRegex != nil {
return header.FileNameRegex.MatchString(filename)
}
return false
}
func (header *Header) MatchFileHeader(firstLine []byte) bool {
if header.HeaderRegex != nil {
return header.HeaderRegex.Match(firstLine)
}
return false
}
// HasFileSignature checks the presence of a stored signature
func (header *Header) HasFileSignature() bool {
return header.SignatureRegex != nil
}
// MatchFileSignature will check the given line with the stored regex
func (header *Header) MatchFileSignature(line []byte) bool {
if header.SignatureRegex != nil {
return header.SignatureRegex.Match(line)
}
return false
return r, err
}
func ParseFile(input []byte) (f *File, err error) {
@ -209,19 +154,11 @@ func ParseFile(input []byte) (f *File, err error) {
if k == "filetype" {
filetype := v.(string)
if filetype == "" {
return nil, errors.New("empty filetype")
}
f.FileType = filetype
break
}
}
if f.FileType == "" {
return nil, errors.New("missing filetype")
}
return f, err
}
@ -238,12 +175,12 @@ func ParseDef(f *File, header *Header) (s *Def, err error) {
}
}()
src := f.yamlSrc
rules := f.yamlSrc
s = new(Def)
s.Header = header
for k, v := range src {
for k, v := range rules {
if k == "rules" {
inputRules := v.([]interface{})
@ -256,48 +193,9 @@ func ParseDef(f *File, header *Header) (s *Def, err error) {
}
}
if s.rules == nil {
// allow empty rules
s.rules = new(rules)
}
return s, err
}
// HasIncludes returns whether this syntax def has any include statements
func HasIncludes(d *Def) bool {
hasIncludes := len(d.rules.includes) > 0
for _, r := range d.rules.regions {
hasIncludes = hasIncludes || hasIncludesInRegion(r)
}
return hasIncludes
}
func hasIncludesInRegion(region *region) bool {
hasIncludes := len(region.rules.includes) > 0
for _, r := range region.rules.regions {
hasIncludes = hasIncludes || hasIncludesInRegion(r)
}
return hasIncludes
}
// GetIncludes returns a list of filetypes that are included by this syntax def
func GetIncludes(d *Def) []string {
includes := d.rules.includes
for _, r := range d.rules.regions {
includes = append(includes, getIncludesInRegion(r)...)
}
return includes
}
func getIncludesInRegion(region *region) []string {
includes := region.rules.includes
for _, r := range region.rules.regions {
includes = append(includes, getIncludesInRegion(r)...)
}
return includes
}
// ResolveIncludes will sort out the rules for including other filetypes
// You should call this after parsing all the Defs
func ResolveIncludes(def *Def, files []*File) {
@ -355,10 +253,6 @@ func parseRules(input []interface{}, curRegion *region) (ru *rules, err error) {
switch object := val.(type) {
case string:
if object == "" {
return nil, fmt.Errorf("Empty rule %s", k)
}
if k == "include" {
ru.includes = append(ru.includes, object)
} else {
@ -412,56 +306,30 @@ func parseRegion(group string, regionInfo map[interface{}]interface{}, prevRegio
r.group = groupNum
r.parent = prevRegion
// start is mandatory
if start, ok := regionInfo["start"]; ok {
start := start.(string)
if start == "" {
return nil, fmt.Errorf("Empty start in %s", group)
}
r.start, err = regexp.Compile(regionInfo["start"].(string))
r.start, err = regexp.Compile(start)
if err != nil {
return nil, err
}
} else {
return nil, fmt.Errorf("Missing start in %s", group)
if err != nil {
return nil, err
}
// end is mandatory
if end, ok := regionInfo["end"]; ok {
end := end.(string)
if end == "" {
return nil, fmt.Errorf("Empty end in %s", group)
}
r.end, err = regexp.Compile(regionInfo["end"].(string))
r.end, err = regexp.Compile(end)
if err != nil {
return nil, err
}
} else {
return nil, fmt.Errorf("Missing end in %s", group)
if err != nil {
return nil, err
}
// skip is optional
if skip, ok := regionInfo["skip"]; ok {
skip := skip.(string)
if skip == "" {
return nil, fmt.Errorf("Empty skip in %s", group)
}
if _, ok := regionInfo["skip"]; ok {
r.skip, err = regexp.Compile(regionInfo["skip"].(string))
r.skip, err = regexp.Compile(skip)
if err != nil {
return nil, err
}
}
// limit-color is optional
if groupStr, ok := regionInfo["limit-group"]; ok {
groupStr := groupStr.(string)
if groupStr == "" {
return nil, fmt.Errorf("Empty limit-group in %s", group)
}
if _, ok := regionInfo["limit-group"]; ok {
groupStr := regionInfo["limit-group"].(string)
if _, ok := Groups[groupStr]; !ok {
numGroups++
Groups[groupStr] = numGroups

28
cmd/micro/highlighter.go Normal file
View file

@ -0,0 +1,28 @@
package main
import "github.com/zyedidia/micro/cmd/micro/highlight"
var syntaxFiles []*highlight.File
func LoadSyntaxFiles() {
InitColorscheme()
for _, f := range ListRuntimeFiles(RTSyntax) {
data, err := f.Data()
if err != nil {
TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
} else {
LoadSyntaxFile(data, f.Name())
}
}
}
func LoadSyntaxFile(text []byte, filename string) {
f, err := highlight.ParseFile(text)
if err != nil {
TermMessage("Syntax file error: " + filename + ": " + err.Error())
return
}
syntaxFiles = append(syntaxFiles, f)
}

View file

@ -1,165 +0,0 @@
package main
import (
"log"
"time"
lua "github.com/yuin/gopher-lua"
luar "layeh.com/gopher-luar"
"github.com/zyedidia/micro/v2/internal/action"
"github.com/zyedidia/micro/v2/internal/buffer"
"github.com/zyedidia/micro/v2/internal/config"
"github.com/zyedidia/micro/v2/internal/display"
ulua "github.com/zyedidia/micro/v2/internal/lua"
"github.com/zyedidia/micro/v2/internal/screen"
"github.com/zyedidia/micro/v2/internal/shell"
"github.com/zyedidia/micro/v2/internal/util"
)
func init() {
ulua.L = lua.NewState()
ulua.L.SetGlobal("import", luar.New(ulua.L, LuaImport))
}
// LuaImport is meant to be called from lua by a plugin and will import the given micro package
func LuaImport(pkg string) *lua.LTable {
switch pkg {
case "micro":
return luaImportMicro()
case "micro/shell":
return luaImportMicroShell()
case "micro/buffer":
return luaImportMicroBuffer()
case "micro/config":
return luaImportMicroConfig()
case "micro/util":
return luaImportMicroUtil()
default:
return ulua.Import(pkg)
}
}
func luaImportMicro() *lua.LTable {
pkg := ulua.L.NewTable()
ulua.L.SetField(pkg, "TermMessage", luar.New(ulua.L, screen.TermMessage))
ulua.L.SetField(pkg, "TermError", luar.New(ulua.L, screen.TermError))
ulua.L.SetField(pkg, "InfoBar", luar.New(ulua.L, action.GetInfoBar))
ulua.L.SetField(pkg, "Log", luar.New(ulua.L, log.Println))
ulua.L.SetField(pkg, "SetStatusInfoFn", luar.New(ulua.L, display.SetStatusInfoFnLua))
ulua.L.SetField(pkg, "CurPane", luar.New(ulua.L, func() *action.BufPane {
return action.MainTab().CurPane()
}))
ulua.L.SetField(pkg, "CurTab", luar.New(ulua.L, action.MainTab))
ulua.L.SetField(pkg, "Tabs", luar.New(ulua.L, func() *action.TabList {
return action.Tabs
}))
ulua.L.SetField(pkg, "After", luar.New(ulua.L, func(t time.Duration, f func()) {
time.AfterFunc(t, func() {
timerChan <- f
})
}))
return pkg
}
func luaImportMicroConfig() *lua.LTable {
pkg := ulua.L.NewTable()
ulua.L.SetField(pkg, "MakeCommand", luar.New(ulua.L, action.MakeCommand))
ulua.L.SetField(pkg, "FileComplete", luar.New(ulua.L, buffer.FileComplete))
ulua.L.SetField(pkg, "HelpComplete", luar.New(ulua.L, action.HelpComplete))
ulua.L.SetField(pkg, "OptionComplete", luar.New(ulua.L, action.OptionComplete))
ulua.L.SetField(pkg, "OptionValueComplete", luar.New(ulua.L, action.OptionValueComplete))
ulua.L.SetField(pkg, "NoComplete", luar.New(ulua.L, nil))
ulua.L.SetField(pkg, "TryBindKey", luar.New(ulua.L, action.TryBindKey))
ulua.L.SetField(pkg, "Reload", luar.New(ulua.L, action.ReloadConfig))
ulua.L.SetField(pkg, "AddRuntimeFileFromMemory", luar.New(ulua.L, config.PluginAddRuntimeFileFromMemory))
ulua.L.SetField(pkg, "AddRuntimeFilesFromDirectory", luar.New(ulua.L, config.PluginAddRuntimeFilesFromDirectory))
ulua.L.SetField(pkg, "AddRuntimeFile", luar.New(ulua.L, config.PluginAddRuntimeFile))
ulua.L.SetField(pkg, "ListRuntimeFiles", luar.New(ulua.L, config.PluginListRuntimeFiles))
ulua.L.SetField(pkg, "ReadRuntimeFile", luar.New(ulua.L, config.PluginReadRuntimeFile))
ulua.L.SetField(pkg, "NewRTFiletype", luar.New(ulua.L, config.NewRTFiletype))
ulua.L.SetField(pkg, "RTColorscheme", luar.New(ulua.L, config.RTColorscheme))
ulua.L.SetField(pkg, "RTSyntax", luar.New(ulua.L, config.RTSyntax))
ulua.L.SetField(pkg, "RTHelp", luar.New(ulua.L, config.RTHelp))
ulua.L.SetField(pkg, "RTPlugin", luar.New(ulua.L, config.RTPlugin))
ulua.L.SetField(pkg, "RegisterCommonOption", luar.New(ulua.L, config.RegisterCommonOptionPlug))
ulua.L.SetField(pkg, "RegisterGlobalOption", luar.New(ulua.L, config.RegisterGlobalOptionPlug))
ulua.L.SetField(pkg, "GetGlobalOption", luar.New(ulua.L, config.GetGlobalOption))
ulua.L.SetField(pkg, "SetGlobalOption", luar.New(ulua.L, action.SetGlobalOption))
ulua.L.SetField(pkg, "SetGlobalOptionNative", luar.New(ulua.L, action.SetGlobalOptionNative))
ulua.L.SetField(pkg, "ConfigDir", luar.New(ulua.L, config.ConfigDir))
return pkg
}
func luaImportMicroShell() *lua.LTable {
pkg := ulua.L.NewTable()
ulua.L.SetField(pkg, "ExecCommand", luar.New(ulua.L, shell.ExecCommand))
ulua.L.SetField(pkg, "RunCommand", luar.New(ulua.L, shell.RunCommand))
ulua.L.SetField(pkg, "RunBackgroundShell", luar.New(ulua.L, shell.RunBackgroundShell))
ulua.L.SetField(pkg, "RunInteractiveShell", luar.New(ulua.L, shell.RunInteractiveShell))
ulua.L.SetField(pkg, "JobStart", luar.New(ulua.L, shell.JobStart))
ulua.L.SetField(pkg, "JobSpawn", luar.New(ulua.L, shell.JobSpawn))
ulua.L.SetField(pkg, "JobStop", luar.New(ulua.L, shell.JobStop))
ulua.L.SetField(pkg, "JobSend", luar.New(ulua.L, shell.JobSend))
ulua.L.SetField(pkg, "RunTermEmulator", luar.New(ulua.L, action.RunTermEmulator))
ulua.L.SetField(pkg, "TermEmuSupported", luar.New(ulua.L, action.TermEmuSupported))
return pkg
}
func luaImportMicroBuffer() *lua.LTable {
pkg := ulua.L.NewTable()
ulua.L.SetField(pkg, "NewMessage", luar.New(ulua.L, buffer.NewMessage))
ulua.L.SetField(pkg, "NewMessageAtLine", luar.New(ulua.L, buffer.NewMessageAtLine))
ulua.L.SetField(pkg, "MTInfo", luar.New(ulua.L, buffer.MTInfo))
ulua.L.SetField(pkg, "MTWarning", luar.New(ulua.L, buffer.MTWarning))
ulua.L.SetField(pkg, "MTError", luar.New(ulua.L, buffer.MTError))
ulua.L.SetField(pkg, "Loc", luar.New(ulua.L, func(x, y int) buffer.Loc {
return buffer.Loc{x, y}
}))
ulua.L.SetField(pkg, "SLoc", luar.New(ulua.L, func(line, row int) display.SLoc {
return display.SLoc{line, row}
}))
ulua.L.SetField(pkg, "BTDefault", luar.New(ulua.L, buffer.BTDefault.Kind))
ulua.L.SetField(pkg, "BTHelp", luar.New(ulua.L, buffer.BTHelp.Kind))
ulua.L.SetField(pkg, "BTLog", luar.New(ulua.L, buffer.BTLog.Kind))
ulua.L.SetField(pkg, "BTScratch", luar.New(ulua.L, buffer.BTScratch.Kind))
ulua.L.SetField(pkg, "BTRaw", luar.New(ulua.L, buffer.BTRaw.Kind))
ulua.L.SetField(pkg, "BTInfo", luar.New(ulua.L, buffer.BTInfo.Kind))
ulua.L.SetField(pkg, "NewBuffer", luar.New(ulua.L, func(text, path string) *buffer.Buffer {
return buffer.NewBufferFromString(text, path, buffer.BTDefault)
}))
ulua.L.SetField(pkg, "NewBufferFromFile", luar.New(ulua.L, func(path string) (*buffer.Buffer, error) {
return buffer.NewBufferFromFile(path, buffer.BTDefault)
}))
ulua.L.SetField(pkg, "ByteOffset", luar.New(ulua.L, buffer.ByteOffset))
ulua.L.SetField(pkg, "Log", luar.New(ulua.L, buffer.WriteLog))
ulua.L.SetField(pkg, "LogBuf", luar.New(ulua.L, buffer.GetLogBuf))
return pkg
}
func luaImportMicroUtil() *lua.LTable {
pkg := ulua.L.NewTable()
ulua.L.SetField(pkg, "RuneAt", luar.New(ulua.L, util.LuaRuneAt))
ulua.L.SetField(pkg, "GetLeadingWhitespace", luar.New(ulua.L, util.LuaGetLeadingWhitespace))
ulua.L.SetField(pkg, "IsWordChar", luar.New(ulua.L, util.LuaIsWordChar))
ulua.L.SetField(pkg, "String", luar.New(ulua.L, util.String))
ulua.L.SetField(pkg, "Unzip", luar.New(ulua.L, util.Unzip))
ulua.L.SetField(pkg, "Version", luar.New(ulua.L, util.Version))
ulua.L.SetField(pkg, "SemVersion", luar.New(ulua.L, util.SemVersion))
ulua.L.SetField(pkg, "HttpRequest", luar.New(ulua.L, util.HttpRequest))
ulua.L.SetField(pkg, "CharacterCountInString", luar.New(ulua.L, util.CharacterCountInString))
ulua.L.SetField(pkg, "RuneStr", luar.New(ulua.L, func(r rune) string {
return string(r)
}))
return pkg
}

View file

@ -1,4 +1,4 @@
package shell
package main
import (
"bytes"
@ -6,12 +6,6 @@ import (
"os/exec"
)
var Jobs chan JobFunction
func init() {
Jobs = make(chan JobFunction, 100)
}
// Jobs are the way plugins can run processes in the background
// A job is simply a process that gets executed asynchronously
// There are callbacks for when the job exits, when the job creates stdout
@ -24,73 +18,71 @@ func init() {
// JobFunction is a representation of a job (this data structure is what is loaded
// into the jobs channel)
type JobFunction struct {
Function func(string, []interface{})
Output string
Args []interface{}
function func(string, ...string)
output string
args []string
}
// A CallbackFile is the data structure that makes it possible to catch stderr and stdout write events
type CallbackFile struct {
io.Writer
callback func(string, []interface{})
args []interface{}
}
// Job stores the executing command for the job, and the stdin pipe
type Job struct {
*exec.Cmd
Stdin io.WriteCloser
callback func(string, ...string)
args []string
}
func (f *CallbackFile) Write(data []byte) (int, error) {
// This is either stderr or stdout
// In either case we create a new job function callback and put it in the jobs channel
jobFunc := JobFunction{f.callback, string(data), f.args}
Jobs <- jobFunc
jobs <- jobFunc
return f.Writer.Write(data)
}
// JobStart starts a shell command in the background with the given callbacks
// It returns an *exec.Cmd as the job id
func JobStart(cmd string, onStdout, onStderr, onExit func(string, []interface{}), userargs ...interface{}) *Job {
func JobStart(cmd string, onStdout, onStderr, onExit string, userargs ...string) *exec.Cmd {
return JobSpawn("sh", []string{"-c", cmd}, onStdout, onStderr, onExit, userargs...)
}
// JobSpawn starts a process with args in the background with the given callbacks
// It returns an *exec.Cmd as the job id
func JobSpawn(cmdName string, cmdArgs []string, onStdout, onStderr, onExit func(string, []interface{}), userargs ...interface{}) *Job {
func JobSpawn(cmdName string, cmdArgs []string, onStdout, onStderr, onExit string, userargs ...string) *exec.Cmd {
// Set up everything correctly if the functions have been provided
proc := exec.Command(cmdName, cmdArgs...)
var outbuf bytes.Buffer
if onStdout != nil {
proc.Stdout = &CallbackFile{&outbuf, onStdout, userargs}
if onStdout != "" {
proc.Stdout = &CallbackFile{&outbuf, LuaFunctionJob(onStdout), userargs}
} else {
proc.Stdout = &outbuf
}
if onStderr != nil {
proc.Stderr = &CallbackFile{&outbuf, onStderr, userargs}
if onStderr != "" {
proc.Stderr = &CallbackFile{&outbuf, LuaFunctionJob(onStderr), userargs}
} else {
proc.Stderr = &outbuf
}
stdin, _ := proc.StdinPipe()
go func() {
// Run the process in the background and create the onExit callback
proc.Run()
jobFunc := JobFunction{onExit, outbuf.String(), userargs}
Jobs <- jobFunc
jobFunc := JobFunction{LuaFunctionJob(onExit), string(outbuf.Bytes()), userargs}
jobs <- jobFunc
}()
return &Job{proc, stdin}
return proc
}
// JobStop kills a job
func JobStop(j *Job) {
j.Process.Kill()
func JobStop(cmd *exec.Cmd) {
cmd.Process.Kill()
}
// JobSend sends the given data into the job's stdin stream
func JobSend(j *Job, data string) {
j.Stdin.Write([]byte(data))
func JobSend(cmd *exec.Cmd, data string) {
stdin, err := cmd.StdinPipe()
if err != nil {
return
}
stdin.Write([]byte(data))
}

260
cmd/micro/lineArray.go Normal file
View file

@ -0,0 +1,260 @@
package main
import (
"bufio"
"io"
"unicode/utf8"
"github.com/zyedidia/micro/cmd/micro/highlight"
)
func runeToByteIndex(n int, txt []byte) int {
if n == 0 {
return 0
}
count := 0
i := 0
for len(txt) > 0 {
_, size := utf8.DecodeRune(txt)
txt = txt[size:]
count += size
i++
if i == n {
break
}
}
return count
}
type Line struct {
data []byte
state highlight.State
match highlight.LineMatch
rehighlight bool
}
// A LineArray simply stores and array of lines and makes it easy to insert
// and delete in it
type LineArray struct {
lines []Line
}
func Append(slice []Line, data ...Line) []Line {
l := len(slice)
if l+len(data) > cap(slice) { // reallocate
// Allocate double what's needed, for future growth.
newSlice := make([]Line, (l+len(data))+10000)
// The copy function is predeclared and works for any slice type.
copy(newSlice, slice)
slice = newSlice
}
slice = slice[0 : l+len(data)]
for i, c := range data {
slice[l+i] = c
}
return slice
}
// NewLineArray returns a new line array from an array of bytes
func NewLineArray(size int64, reader io.Reader) *LineArray {
la := new(LineArray)
la.lines = make([]Line, 0, 1000)
br := bufio.NewReader(reader)
var loaded int
n := 0
for {
data, err := br.ReadBytes('\n')
if len(data) > 1 && data[len(data)-2] == '\r' {
data = append(data[:len(data)-2], '\n')
if fileformat == 0 {
fileformat = 2
}
} else if len(data) > 0 {
if fileformat == 0 {
fileformat = 1
}
}
if n >= 1000 && loaded >= 0 {
totalLinesNum := int(float64(size) * (float64(n) / float64(loaded)))
newSlice := make([]Line, len(la.lines), totalLinesNum+10000)
// The copy function is predeclared and works for any slice type.
copy(newSlice, la.lines)
la.lines = newSlice
loaded = -1
}
if loaded >= 0 {
loaded += len(data)
}
if err != nil {
if err == io.EOF {
la.lines = Append(la.lines, Line{data[:], nil, nil, false})
// la.lines = Append(la.lines, Line{data[:len(data)]})
}
// Last line was read
break
} else {
// la.lines = Append(la.lines, Line{data[:len(data)-1]})
la.lines = Append(la.lines, Line{data[:len(data)-1], nil, nil, false})
}
n++
}
return la
}
// Returns the String representation of the LineArray
func (la *LineArray) String() string {
str := ""
for i, l := range la.lines {
str += string(l.data)
if i != len(la.lines)-1 {
str += "\n"
}
}
return str
}
// SaveString returns the string that should be written to disk when
// the line array is saved
// It is the same as string but uses crlf or lf line endings depending
func (la *LineArray) SaveString(useCrlf bool) string {
str := ""
for i, l := range la.lines {
str += string(l.data)
if i != len(la.lines)-1 {
if useCrlf {
str += "\r"
}
str += "\n"
}
}
return str
}
// NewlineBelow adds a newline below the given line number
func (la *LineArray) NewlineBelow(y int) {
la.lines = append(la.lines, Line{[]byte(" "), nil, nil, false})
copy(la.lines[y+2:], la.lines[y+1:])
la.lines[y+1] = Line{[]byte(""), la.lines[y].state, nil, false}
}
// inserts a byte array at a given location
func (la *LineArray) insert(pos Loc, value []byte) {
x, y := runeToByteIndex(pos.X, la.lines[pos.Y].data), pos.Y
// x, y := pos.x, pos.y
for i := 0; i < len(value); i++ {
if value[i] == '\n' {
la.Split(Loc{x, y})
x = 0
y++
continue
}
la.insertByte(Loc{x, y}, value[i])
x++
}
}
// inserts a byte at a given location
func (la *LineArray) insertByte(pos Loc, value byte) {
la.lines[pos.Y].data = append(la.lines[pos.Y].data, 0)
copy(la.lines[pos.Y].data[pos.X+1:], la.lines[pos.Y].data[pos.X:])
la.lines[pos.Y].data[pos.X] = value
}
// JoinLines joins the two lines a and b
func (la *LineArray) JoinLines(a, b int) {
la.insert(Loc{len(la.lines[a].data), a}, la.lines[b].data)
la.DeleteLine(b)
}
// Split splits a line at a given position
func (la *LineArray) Split(pos Loc) {
la.NewlineBelow(pos.Y)
la.insert(Loc{0, pos.Y + 1}, la.lines[pos.Y].data[pos.X:])
la.lines[pos.Y+1].state = la.lines[pos.Y].state
la.lines[pos.Y].state = nil
la.lines[pos.Y].match = nil
la.lines[pos.Y+1].match = nil
la.lines[pos.Y].rehighlight = true
la.DeleteToEnd(Loc{pos.X, pos.Y})
}
// removes from start to end
func (la *LineArray) remove(start, end Loc) string {
sub := la.Substr(start, end)
startX := runeToByteIndex(start.X, la.lines[start.Y].data)
endX := runeToByteIndex(end.X, la.lines[end.Y].data)
if start.Y == end.Y {
la.lines[start.Y].data = append(la.lines[start.Y].data[:startX], la.lines[start.Y].data[endX:]...)
} else {
for i := start.Y + 1; i <= end.Y-1; i++ {
la.DeleteLine(start.Y + 1)
}
la.DeleteToEnd(Loc{startX, start.Y})
la.DeleteFromStart(Loc{endX - 1, start.Y + 1})
la.JoinLines(start.Y, start.Y+1)
}
return sub
}
// DeleteToEnd deletes from the end of a line to the position
func (la *LineArray) DeleteToEnd(pos Loc) {
la.lines[pos.Y].data = la.lines[pos.Y].data[:pos.X]
}
// DeleteFromStart deletes from the start of a line to the position
func (la *LineArray) DeleteFromStart(pos Loc) {
la.lines[pos.Y].data = la.lines[pos.Y].data[pos.X+1:]
}
// DeleteLine deletes the line number
func (la *LineArray) DeleteLine(y int) {
la.lines = la.lines[:y+copy(la.lines[y:], la.lines[y+1:])]
}
// DeleteByte deletes the byte at a position
func (la *LineArray) DeleteByte(pos Loc) {
la.lines[pos.Y].data = la.lines[pos.Y].data[:pos.X+copy(la.lines[pos.Y].data[pos.X:], la.lines[pos.Y].data[pos.X+1:])]
}
// Substr returns the string representation between two locations
func (la *LineArray) Substr(start, end Loc) string {
startX := runeToByteIndex(start.X, la.lines[start.Y].data)
endX := runeToByteIndex(end.X, la.lines[end.Y].data)
if start.Y == end.Y {
return string(la.lines[start.Y].data[startX:endX])
}
var str string
str += string(la.lines[start.Y].data[startX:]) + "\n"
for i := start.Y + 1; i <= end.Y-1; i++ {
str += string(la.lines[i].data) + "\n"
}
str += string(la.lines[end.Y].data[:endX])
return str
}
func (la *LineArray) State(lineN int) highlight.State {
return la.lines[lineN].state
}
func (la *LineArray) SetState(lineN int, s highlight.State) {
la.lines[lineN].state = s
}
func (la *LineArray) SetMatch(lineN int, m highlight.LineMatch) {
la.lines[lineN].match = m
}
func (la *LineArray) Match(lineN int) highlight.LineMatch {
return la.lines[lineN].match
}

View file

@ -1,56 +1,60 @@
package buffer
package main
import (
"github.com/zyedidia/micro/v2/internal/util"
)
// FromCharPos converts from a character position to an x, y position
func FromCharPos(loc int, buf *Buffer) Loc {
charNum := 0
x, y := 0, 0
lineLen := Count(buf.Line(y)) + 1
for charNum+lineLen <= loc {
charNum += lineLen
y++
lineLen = Count(buf.Line(y)) + 1
}
x = loc - charNum
return Loc{x, y}
}
// ToCharPos converts from an x, y position to a character position
func ToCharPos(start Loc, buf *Buffer) int {
x, y := start.X, start.Y
loc := 0
for i := 0; i < y; i++ {
// + 1 for the newline
loc += Count(buf.Line(i)) + 1
}
loc += x
return loc
}
// InBounds returns whether the given location is a valid character position in the given buffer
func InBounds(pos Loc, buf *Buffer) bool {
if pos.Y < 0 || pos.Y >= buf.NumLines || pos.X < 0 || pos.X > Count(buf.Line(pos.Y)) {
return false
}
return true
}
// ByteOffset is just like ToCharPos except it counts bytes instead of runes
func ByteOffset(pos Loc, buf *Buffer) int {
x, y := pos.X, pos.Y
loc := 0
for i := 0; i < y; i++ {
// + 1 for the newline
loc += len(buf.Line(i)) + 1
}
loc += len(buf.Line(y)[:x])
return loc
}
// Loc stores a location
type Loc struct {
X, Y int
}
// LessThan returns true if b is smaller
func (l Loc) LessThan(b Loc) bool {
if l.Y < b.Y {
return true
}
return l.Y == b.Y && l.X < b.X
}
// GreaterThan returns true if b is bigger
func (l Loc) GreaterThan(b Loc) bool {
if l.Y > b.Y {
return true
}
return l.Y == b.Y && l.X > b.X
}
// GreaterEqual returns true if b is greater than or equal to b
func (l Loc) GreaterEqual(b Loc) bool {
if l.Y > b.Y {
return true
}
if l.Y == b.Y && l.X > b.X {
return true
}
return l == b
}
// LessEqual returns true if b is less than or equal to b
func (l Loc) LessEqual(b Loc) bool {
if l.Y < b.Y {
return true
}
if l.Y == b.Y && l.X < b.X {
return true
}
return l == b
}
// The following functions require a buffer to know where newlines are
// Diff returns the distance between two locations
func DiffLA(a, b Loc, buf *LineArray) int {
func Diff(a, b Loc, buf *Buffer) int {
if a.Y == b.Y {
if a.X > b.X {
return a.X - b.X
@ -66,19 +70,69 @@ func DiffLA(a, b Loc, buf *LineArray) int {
loc := 0
for i := a.Y + 1; i < b.Y; i++ {
// + 1 for the newline
loc += util.CharacterCount(buf.LineBytes(i)) + 1
loc += Count(buf.Line(i)) + 1
}
loc += util.CharacterCount(buf.LineBytes(a.Y)) - a.X + b.X + 1
loc += Count(buf.Line(a.Y)) - a.X + b.X + 1
return loc
}
// LessThan returns true if b is smaller
func (l Loc) LessThan(b Loc) bool {
if l.Y < b.Y {
return true
}
if l.Y == b.Y && l.X < b.X {
return true
}
return false
}
// GreaterThan returns true if b is bigger
func (l Loc) GreaterThan(b Loc) bool {
if l.Y > b.Y {
return true
}
if l.Y == b.Y && l.X > b.X {
return true
}
return false
}
// GreaterEqual returns true if b is greater than or equal to b
func (l Loc) GreaterEqual(b Loc) bool {
if l.Y > b.Y {
return true
}
if l.Y == b.Y && l.X > b.X {
return true
}
if l == b {
return true
}
return false
}
// LessEqual returns true if b is less than or equal to b
func (l Loc) LessEqual(b Loc) bool {
if l.Y < b.Y {
return true
}
if l.Y == b.Y && l.X < b.X {
return true
}
if l == b {
return true
}
return false
}
// This moves the location one character to the right
func (l Loc) right(buf *LineArray) Loc {
func (l Loc) right(buf *Buffer) Loc {
if l == buf.End() {
return Loc{l.X + 1, l.Y}
}
var res Loc
if l.X < util.CharacterCount(buf.LineBytes(l.Y)) {
if l.X < Count(buf.Line(l.Y)) {
res = Loc{l.X + 1, l.Y}
} else {
res = Loc{0, l.Y + 1}
@ -87,7 +141,7 @@ func (l Loc) right(buf *LineArray) Loc {
}
// This moves the given location one character to the left
func (l Loc) left(buf *LineArray) Loc {
func (l Loc) left(buf *Buffer) Loc {
if l == buf.Start() {
return Loc{l.X - 1, l.Y}
}
@ -95,54 +149,22 @@ func (l Loc) left(buf *LineArray) Loc {
if l.X > 0 {
res = Loc{l.X - 1, l.Y}
} else {
res = Loc{util.CharacterCount(buf.LineBytes(l.Y - 1)), l.Y - 1}
res = Loc{Count(buf.Line(l.Y - 1)), l.Y - 1}
}
return res
}
// MoveLA moves the cursor n characters to the left or right
// Move moves the cursor n characters to the left or right
// It moves the cursor left if n is negative
func (l Loc) MoveLA(n int, buf *LineArray) Loc {
func (l Loc) Move(n int, buf *Buffer) Loc {
if n > 0 {
for i := 0; i < n; i++ {
l = l.right(buf)
}
return l
}
for i := 0; i < util.Abs(n); i++ {
for i := 0; i < Abs(n); i++ {
l = l.left(buf)
}
return l
}
// Diff returns the difference between two locs
func (l Loc) Diff(b Loc, buf *Buffer) int {
return DiffLA(l, b, buf.LineArray)
}
// Move moves a loc n characters
func (l Loc) Move(n int, buf *Buffer) Loc {
return l.MoveLA(n, buf.LineArray)
}
// ByteOffset is just like ToCharPos except it counts bytes instead of runes
func ByteOffset(pos Loc, buf *Buffer) int {
x, y := pos.X, pos.Y
loc := 0
for i := 0; i < y; i++ {
// + 1 for the newline
loc += len(buf.Line(i)) + 1
}
loc += len(buf.Line(y)[:x])
return loc
}
// clamps a loc within a buffer
func clamp(pos Loc, la *LineArray) Loc {
if pos.GreaterEqual(la.End()) {
return la.End()
} else if pos.LessThan(la.Start()) {
return la.Start()
}
return pos
}

View file

@ -1,8 +1,6 @@
package lua
package main
import (
"archive/zip"
"bytes"
"errors"
"fmt"
"io"
@ -10,7 +8,6 @@ import (
"math"
"math/rand"
"net"
"net/http"
"os"
"path"
"path/filepath"
@ -18,20 +15,23 @@ import (
"runtime"
"strings"
"time"
"unicode/utf8"
humanize "github.com/dustin/go-humanize"
lua "github.com/yuin/gopher-lua"
luar "layeh.com/gopher-luar"
lua "github.com/yuin/gopher-lua"
)
var L *lua.LState
// LoadFile loads a lua file
func LoadFile(module string, file string, data []byte) error {
pluginDef := []byte("module(\"" + module + "\", package.seeall)")
func init() {
L = lua.NewState()
L.SetGlobal("import", luar.New(L, Import))
}
if fn, err := L.Load(bytes.NewReader(append(pluginDef, data...)), file); err != nil {
func LoadFile(module string, file string, data string) error {
pluginDef := "local P = {};" + module + " = P;setmetatable(" + module + ", {__index = _G});setfenv(1, P);"
if fn, err := L.Load(strings.NewReader(pluginDef+data), file); err != nil {
return err
} else {
L.Push(fn)
@ -39,54 +39,43 @@ func LoadFile(module string, file string, data []byte) error {
}
}
// Import allows a lua plugin to import a package
func Import(pkg string) *lua.LTable {
switch pkg {
case "fmt":
return importFmt()
return ImportFmt()
case "io":
return importIo()
case "io/ioutil", "ioutil":
return importIoUtil()
return ImportIo()
case "ioutil":
return ImportIoUtil()
case "net":
return importNet()
return ImportNet()
case "math":
return importMath()
case "math/rand":
return importMathRand()
return ImportMath()
case "os":
return importOs()
return ImportOs()
case "runtime":
return importRuntime()
return ImportRuntime()
case "path":
return importPath()
case "path/filepath", "filepath":
return importFilePath()
return ImportPath()
case "filepath":
return ImportFilePath()
case "strings":
return importStrings()
return ImportStrings()
case "regexp":
return importRegexp()
return ImportRegexp()
case "errors":
return importErrors()
return ImportErrors()
case "time":
return importTime()
case "unicode/utf8", "utf8":
return importUtf8()
case "humanize":
return importHumanize()
case "net/http", "http":
return importHTTP()
case "archive/zip":
return importArchiveZip()
return ImportTime()
default:
return nil
}
}
func importFmt() *lua.LTable {
func ImportFmt() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "Errorf", luar.New(L, fmt.Errorf))
L.SetField(pkg, "tErrorf", luar.New(L, fmt.Errorf))
L.SetField(pkg, "Fprint", luar.New(L, fmt.Fprint))
L.SetField(pkg, "Fprintf", luar.New(L, fmt.Fprintf))
L.SetField(pkg, "Fprintln", luar.New(L, fmt.Fprintln))
@ -109,7 +98,7 @@ func importFmt() *lua.LTable {
return pkg
}
func importIo() *lua.LTable {
func ImportIo() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "Copy", luar.New(L, io.Copy))
@ -133,7 +122,7 @@ func importIo() *lua.LTable {
return pkg
}
func importIoUtil() *lua.LTable {
func ImportIoUtil() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "ReadAll", luar.New(L, ioutil.ReadAll))
@ -144,7 +133,7 @@ func importIoUtil() *lua.LTable {
return pkg
}
func importNet() *lua.LTable {
func ImportNet() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "CIDRMask", luar.New(L, net.CIDRMask))
@ -212,7 +201,7 @@ func importNet() *lua.LTable {
return pkg
}
func importMath() *lua.LTable {
func ImportMath() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "Abs", luar.New(L, math.Abs))
@ -280,7 +269,7 @@ func importMath() *lua.LTable {
return pkg
}
func importMathRand() *lua.LTable {
func ImportMathRand() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "ExpFloat64", luar.New(L, rand.ExpFloat64))
@ -300,7 +289,7 @@ func importMathRand() *lua.LTable {
return pkg
}
func importOs() *lua.LTable {
func ImportOs() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "Args", luar.New(L, os.Args))
@ -374,9 +363,9 @@ func importOs() *lua.LTable {
L.SetField(pkg, "Remove", luar.New(L, os.Remove))
L.SetField(pkg, "RemoveAll", luar.New(L, os.RemoveAll))
L.SetField(pkg, "Rename", luar.New(L, os.Rename))
L.SetField(pkg, "SEEK_CUR", luar.New(L, io.SeekCurrent))
L.SetField(pkg, "SEEK_END", luar.New(L, io.SeekEnd))
L.SetField(pkg, "SEEK_SET", luar.New(L, io.SeekStart))
L.SetField(pkg, "SEEK_CUR", luar.New(L, os.SEEK_CUR))
L.SetField(pkg, "SEEK_END", luar.New(L, os.SEEK_END))
L.SetField(pkg, "SEEK_SET", luar.New(L, os.SEEK_SET))
L.SetField(pkg, "SameFile", luar.New(L, os.SameFile))
L.SetField(pkg, "Setenv", luar.New(L, os.Setenv))
L.SetField(pkg, "StartProcess", luar.New(L, os.StartProcess))
@ -387,12 +376,11 @@ func importOs() *lua.LTable {
L.SetField(pkg, "Symlink", luar.New(L, os.Symlink))
L.SetField(pkg, "TempDir", luar.New(L, os.TempDir))
L.SetField(pkg, "Truncate", luar.New(L, os.Truncate))
L.SetField(pkg, "UserHomeDir", luar.New(L, os.UserHomeDir))
return pkg
}
func importRuntime() *lua.LTable {
func ImportRuntime() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "GC", luar.New(L, runtime.GC))
@ -404,7 +392,7 @@ func importRuntime() *lua.LTable {
return pkg
}
func importPath() *lua.LTable {
func ImportPath() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "Base", luar.New(L, path.Base))
@ -420,10 +408,11 @@ func importPath() *lua.LTable {
return pkg
}
func importFilePath() *lua.LTable {
func ImportFilePath() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "Join", luar.New(L, filepath.Join))
L.SetField(pkg, "Clean", luar.New(L, filepath.Join))
L.SetField(pkg, "Abs", luar.New(L, filepath.Abs))
L.SetField(pkg, "Base", luar.New(L, filepath.Base))
L.SetField(pkg, "Clean", luar.New(L, filepath.Clean))
@ -445,7 +434,7 @@ func importFilePath() *lua.LTable {
return pkg
}
func importStrings() *lua.LTable {
func ImportStrings() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "Contains", luar.New(L, strings.Contains))
@ -495,7 +484,7 @@ func importStrings() *lua.LTable {
return pkg
}
func importRegexp() *lua.LTable {
func ImportRegexp() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "Match", luar.New(L, regexp.Match))
@ -510,7 +499,7 @@ func importRegexp() *lua.LTable {
return pkg
}
func importErrors() *lua.LTable {
func ImportErrors() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "New", luar.New(L, errors.New))
@ -518,19 +507,24 @@ func importErrors() *lua.LTable {
return pkg
}
func importTime() *lua.LTable {
func ImportTime() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "After", luar.New(L, time.After))
L.SetField(pkg, "Sleep", luar.New(L, time.Sleep))
L.SetField(pkg, "Tick", luar.New(L, time.Tick))
L.SetField(pkg, "Since", luar.New(L, time.Since))
L.SetField(pkg, "FixedZone", luar.New(L, time.FixedZone))
L.SetField(pkg, "LoadLocation", luar.New(L, time.LoadLocation))
L.SetField(pkg, "NewTicker", luar.New(L, time.NewTicker))
L.SetField(pkg, "Date", luar.New(L, time.Date))
L.SetField(pkg, "Now", luar.New(L, time.Now))
L.SetField(pkg, "Parse", luar.New(L, time.Parse))
L.SetField(pkg, "ParseDuration", luar.New(L, time.ParseDuration))
L.SetField(pkg, "ParseInLocation", luar.New(L, time.ParseInLocation))
L.SetField(pkg, "Unix", luar.New(L, time.Unix))
L.SetField(pkg, "AfterFunc", luar.New(L, time.AfterFunc))
L.SetField(pkg, "NewTimer", luar.New(L, time.NewTimer))
L.SetField(pkg, "Nanosecond", luar.New(L, time.Nanosecond))
L.SetField(pkg, "Microsecond", luar.New(L, time.Microsecond))
L.SetField(pkg, "Millisecond", luar.New(L, time.Millisecond))
@ -538,63 +532,5 @@ func importTime() *lua.LTable {
L.SetField(pkg, "Minute", luar.New(L, time.Minute))
L.SetField(pkg, "Hour", luar.New(L, time.Hour))
// TODO: these raw Go timer APIs don't provide any synchronization
// with micro. Stop exposing them to lua once plugins switch to using
// the safer micro.After() interface instead. See issue #3209
L.SetField(pkg, "After", luar.New(L, time.After))
L.SetField(pkg, "AfterFunc", luar.New(L, time.AfterFunc))
L.SetField(pkg, "NewTicker", luar.New(L, time.NewTicker))
L.SetField(pkg, "NewTimer", luar.New(L, time.NewTimer))
L.SetField(pkg, "Tick", luar.New(L, time.Tick))
return pkg
}
func importUtf8() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "DecodeLastRune", luar.New(L, utf8.DecodeLastRune))
L.SetField(pkg, "DecodeLastRuneInString", luar.New(L, utf8.DecodeLastRuneInString))
L.SetField(pkg, "DecodeRune", luar.New(L, utf8.DecodeRune))
L.SetField(pkg, "DecodeRuneInString", luar.New(L, utf8.DecodeRuneInString))
L.SetField(pkg, "EncodeRune", luar.New(L, utf8.EncodeRune))
L.SetField(pkg, "FullRune", luar.New(L, utf8.FullRune))
L.SetField(pkg, "FullRuneInString", luar.New(L, utf8.FullRuneInString))
L.SetField(pkg, "RuneCount", luar.New(L, utf8.RuneCount))
L.SetField(pkg, "RuneCountInString", luar.New(L, utf8.RuneCountInString))
L.SetField(pkg, "RuneLen", luar.New(L, utf8.RuneLen))
L.SetField(pkg, "RuneStart", luar.New(L, utf8.RuneStart))
L.SetField(pkg, "Valid", luar.New(L, utf8.Valid))
L.SetField(pkg, "ValidRune", luar.New(L, utf8.ValidRune))
L.SetField(pkg, "ValidString", luar.New(L, utf8.ValidString))
return pkg
}
func importHumanize() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "Bytes", luar.New(L, humanize.Bytes))
L.SetField(pkg, "Ordinal", luar.New(L, humanize.Ordinal))
return pkg
}
func importHTTP() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "Get", luar.New(L, http.Get))
L.SetField(pkg, "Post", luar.New(L, http.Post))
return pkg
}
func importArchiveZip() *lua.LTable {
pkg := L.NewTable()
L.SetField(pkg, "OpenReader", luar.New(L, zip.OpenReader))
L.SetField(pkg, "NewReader", luar.New(L, zip.NewReader))
L.SetField(pkg, "NewWriter", luar.New(L, zip.NewWriter))
return pkg
}

498
cmd/micro/messenger.go Normal file
View file

@ -0,0 +1,498 @@
package main
import (
"bufio"
"bytes"
"fmt"
"os"
"strconv"
"github.com/mattn/go-runewidth"
"github.com/zyedidia/clipboard"
"github.com/zyedidia/tcell"
)
// TermMessage sends a message to the user in the terminal. This usually occurs before
// micro has been fully initialized -- ie if there is an error in the syntax highlighting
// regular expressions
// The function must be called when the screen is not initialized
// This will write the message, and wait for the user
// to press and key to continue
func TermMessage(msg ...interface{}) {
screenWasNil := screen == nil
if !screenWasNil {
screen.Fini()
screen = nil
}
fmt.Println(msg...)
fmt.Print("\nPress enter to continue")
reader := bufio.NewReader(os.Stdin)
reader.ReadString('\n')
if !screenWasNil {
InitScreen()
}
}
// TermError sends an error to the user in the terminal. Like TermMessage except formatted
// as an error
func TermError(filename string, lineNum int, err string) {
TermMessage(filename + ", " + strconv.Itoa(lineNum) + ": " + err)
}
// Messenger is an object that makes it easy to send messages to the user
// and get input from the user
type Messenger struct {
log *Buffer
// Are we currently prompting the user?
hasPrompt bool
// Is there a message to print
hasMessage bool
// Message to print
message string
// The user's response to a prompt
response string
// style to use when drawing the message
style tcell.Style
// We have to keep track of the cursor for prompting
cursorx int
// This map stores the history for all the different kinds of uses Prompt has
// It's a map of history type -> history array
history map[string][]string
historyNum int
// Is the current message a message from the gutter
gutterMessage bool
}
// AddLog sends a message to the log view
func (m *Messenger) AddLog(msg ...interface{}) {
logMessage := fmt.Sprint(msg...)
buffer := m.getBuffer()
buffer.insert(buffer.End(), []byte(logMessage+"\n"))
buffer.Cursor.Loc = buffer.End()
buffer.Cursor.Relocate()
}
func (m *Messenger) getBuffer() *Buffer {
if m.log == nil {
m.log = NewBufferFromString("", "")
m.log.name = "Log"
}
return m.log
}
// Message sends a message to the user
func (m *Messenger) Message(msg ...interface{}) {
displayMessage := fmt.Sprint(msg...)
// only display a new message if there isn't an active prompt
// this is to prevent overwriting an existing prompt to the user
if m.hasPrompt == false {
// if there is no active prompt then style and display the message as normal
m.message = displayMessage
m.style = defStyle
if _, ok := colorscheme["message"]; ok {
m.style = colorscheme["message"]
}
m.hasMessage = true
}
// add the message to the log regardless of active prompts
m.AddLog(displayMessage)
}
// Error sends an error message to the user
func (m *Messenger) Error(msg ...interface{}) {
buf := new(bytes.Buffer)
fmt.Fprint(buf, msg...)
// only display a new message if there isn't an active prompt
// this is to prevent overwriting an existing prompt to the user
if m.hasPrompt == false {
// if there is no active prompt then style and display the message as normal
m.message = buf.String()
m.style = defStyle.
Foreground(tcell.ColorBlack).
Background(tcell.ColorMaroon)
if _, ok := colorscheme["error-message"]; ok {
m.style = colorscheme["error-message"]
}
m.hasMessage = true
}
// add the message to the log regardless of active prompts
m.AddLog(buf.String())
}
func (m *Messenger) PromptText(msg ...interface{}) {
displayMessage := fmt.Sprint(msg...)
// if there is no active prompt then style and display the message as normal
m.message = displayMessage
m.style = defStyle
if _, ok := colorscheme["message"]; ok {
m.style = colorscheme["message"]
}
m.hasMessage = true
// add the message to the log regardless of active prompts
m.AddLog(displayMessage)
}
// YesNoPrompt asks the user a yes or no question (waits for y or n) and returns the result
func (m *Messenger) YesNoPrompt(prompt string) (bool, bool) {
m.hasPrompt = true
m.PromptText(prompt)
_, h := screen.Size()
for {
m.Clear()
m.Display()
screen.ShowCursor(Count(m.message), h-1)
screen.Show()
event := <-events
switch e := event.(type) {
case *tcell.EventKey:
switch e.Key() {
case tcell.KeyRune:
if e.Rune() == 'y' || e.Rune() == 'Y' {
m.AddLog("\t--> y")
m.hasPrompt = false
return true, false
} else if e.Rune() == 'n' || e.Rune() == 'N' {
m.AddLog("\t--> n")
m.hasPrompt = false
return false, false
}
case tcell.KeyCtrlC, tcell.KeyCtrlQ, tcell.KeyEscape:
m.AddLog("\t--> (cancel)")
m.Clear()
m.Reset()
m.hasPrompt = false
return false, true
}
}
}
}
// LetterPrompt gives the user a prompt and waits for a one letter response
func (m *Messenger) LetterPrompt(prompt string, responses ...rune) (rune, bool) {
m.hasPrompt = true
m.PromptText(prompt)
_, h := screen.Size()
for {
m.Clear()
m.Display()
screen.ShowCursor(Count(m.message), h-1)
screen.Show()
event := <-events
switch e := event.(type) {
case *tcell.EventKey:
switch e.Key() {
case tcell.KeyRune:
for _, r := range responses {
if e.Rune() == r {
m.AddLog("\t--> " + string(r))
m.Clear()
m.Reset()
m.hasPrompt = false
return r, false
}
}
case tcell.KeyCtrlC, tcell.KeyCtrlQ, tcell.KeyEscape:
m.AddLog("\t--> (cancel)")
m.Clear()
m.Reset()
m.hasPrompt = false
return ' ', true
}
}
}
}
type Completion int
const (
NoCompletion Completion = iota
FileCompletion
CommandCompletion
HelpCompletion
OptionCompletion
PluginCmdCompletion
PluginNameCompletion
)
// Prompt sends the user a message and waits for a response to be typed in
// This function blocks the main loop while waiting for input
func (m *Messenger) Prompt(prompt, placeholder, historyType string, completionTypes ...Completion) (string, bool) {
m.hasPrompt = true
m.PromptText(prompt)
if _, ok := m.history[historyType]; !ok {
m.history[historyType] = []string{""}
} else {
m.history[historyType] = append(m.history[historyType], "")
}
m.historyNum = len(m.history[historyType]) - 1
response, canceled := placeholder, true
m.response = response
m.cursorx = Count(placeholder)
RedrawAll()
for m.hasPrompt {
var suggestions []string
m.Clear()
event := <-events
switch e := event.(type) {
case *tcell.EventKey:
switch e.Key() {
case tcell.KeyCtrlQ, tcell.KeyCtrlC, tcell.KeyEscape:
// Cancel
m.AddLog("\t--> (cancel)")
m.hasPrompt = false
case tcell.KeyEnter:
// User is done entering their response
m.AddLog("\t--> " + m.response)
m.hasPrompt = false
response, canceled = m.response, false
m.history[historyType][len(m.history[historyType])-1] = response
case tcell.KeyTab:
args := SplitCommandArgs(m.response)
currentArgNum := len(args) - 1
currentArg := args[currentArgNum]
var completionType Completion
if completionTypes[0] == CommandCompletion && currentArgNum > 0 {
if command, ok := commands[args[0]]; ok {
completionTypes = append([]Completion{CommandCompletion}, command.completions...)
}
}
if currentArgNum >= len(completionTypes) {
completionType = completionTypes[len(completionTypes)-1]
} else {
completionType = completionTypes[currentArgNum]
}
var chosen string
if completionType == FileCompletion {
chosen, suggestions = FileComplete(currentArg)
} else if completionType == CommandCompletion {
chosen, suggestions = CommandComplete(currentArg)
} else if completionType == HelpCompletion {
chosen, suggestions = HelpComplete(currentArg)
} else if completionType == OptionCompletion {
chosen, suggestions = OptionComplete(currentArg)
} else if completionType == PluginCmdCompletion {
chosen, suggestions = PluginCmdComplete(currentArg)
} else if completionType == PluginNameCompletion {
chosen, suggestions = PluginNameComplete(currentArg)
} else if completionType < NoCompletion {
chosen, suggestions = PluginComplete(completionType, currentArg)
}
if len(suggestions) > 1 {
chosen = chosen + CommonSubstring(suggestions...)
}
if chosen != "" {
m.response = JoinCommandArgs(append(args[:len(args)-1], chosen)...)
m.cursorx = Count(m.response)
}
}
}
m.HandleEvent(event, m.history[historyType])
m.Clear()
for _, v := range tabs[curTab].views {
v.Display()
}
DisplayTabs()
m.Display()
if len(suggestions) > 1 {
m.DisplaySuggestions(suggestions)
}
screen.Show()
}
m.Clear()
m.Reset()
return response, canceled
}
// HandleEvent handles an event for the prompter
func (m *Messenger) HandleEvent(event tcell.Event, history []string) {
switch e := event.(type) {
case *tcell.EventKey:
if e.Key() != tcell.KeyRune || e.Modifiers() != 0 {
for key, actions := range bindings {
if e.Key() == key.keyCode {
if e.Key() == tcell.KeyRune {
if e.Rune() != key.r {
continue
}
}
if e.Modifiers() == key.modifiers {
for _, action := range actions {
funcName := FuncName(action)
switch funcName {
case "main.(*View).CursorUp":
if m.historyNum > 0 {
m.historyNum--
m.response = history[m.historyNum]
m.cursorx = Count(m.response)
}
case "main.(*View).CursorDown":
if m.historyNum < len(history)-1 {
m.historyNum++
m.response = history[m.historyNum]
m.cursorx = Count(m.response)
}
case "main.(*View).CursorLeft":
if m.cursorx > 0 {
m.cursorx--
}
case "main.(*View).CursorRight":
if m.cursorx < Count(m.response) {
m.cursorx++
}
case "main.(*View).CursorStart", "main.(*View).StartOfLine":
m.cursorx = 0
case "main.(*View).CursorEnd", "main.(*View).EndOfLine":
m.cursorx = Count(m.response)
case "main.(*View).Backspace":
if m.cursorx > 0 {
m.response = string([]rune(m.response)[:m.cursorx-1]) + string([]rune(m.response)[m.cursorx:])
m.cursorx--
}
case "main.(*View).Paste":
clip, _ := clipboard.ReadAll("clipboard")
m.response = Insert(m.response, m.cursorx, clip)
m.cursorx += Count(clip)
}
}
}
}
}
}
switch e.Key() {
case tcell.KeyRune:
m.response = Insert(m.response, m.cursorx, string(e.Rune()))
m.cursorx++
}
history[m.historyNum] = m.response
case *tcell.EventPaste:
clip := e.Text()
m.response = Insert(m.response, m.cursorx, clip)
m.cursorx += Count(clip)
case *tcell.EventMouse:
x, y := e.Position()
x -= Count(m.message)
button := e.Buttons()
_, screenH := screen.Size()
if y == screenH-1 {
switch button {
case tcell.Button1:
m.cursorx = x
if m.cursorx < 0 {
m.cursorx = 0
} else if m.cursorx > Count(m.response) {
m.cursorx = Count(m.response)
}
}
}
}
}
// Reset resets the messenger's cursor, message and response
func (m *Messenger) Reset() {
m.cursorx = 0
m.message = ""
m.response = ""
}
// Clear clears the line at the bottom of the editor
func (m *Messenger) Clear() {
w, h := screen.Size()
for x := 0; x < w; x++ {
screen.SetContent(x, h-1, ' ', nil, defStyle)
}
}
func (m *Messenger) DisplaySuggestions(suggestions []string) {
w, screenH := screen.Size()
y := screenH - 2
statusLineStyle := defStyle.Reverse(true)
if style, ok := colorscheme["statusline"]; ok {
statusLineStyle = style
}
for x := 0; x < w; x++ {
screen.SetContent(x, y, ' ', nil, statusLineStyle)
}
x := 0
for _, suggestion := range suggestions {
for _, c := range suggestion {
screen.SetContent(x, y, c, nil, statusLineStyle)
x++
}
screen.SetContent(x, y, ' ', nil, statusLineStyle)
x++
}
}
// Display displays messages or prompts
func (m *Messenger) Display() {
_, h := screen.Size()
if m.hasMessage {
if m.hasPrompt || globalSettings["infobar"].(bool) {
runes := []rune(m.message + m.response)
posx := 0
for x := 0; x < len(runes); x++ {
screen.SetContent(posx, h-1, runes[x], nil, m.style)
posx += runewidth.RuneWidth(runes[x])
}
}
}
if m.hasPrompt {
screen.ShowCursor(Count(m.message)+m.cursorx, h-1)
screen.Show()
}
}
// A GutterMessage is a message displayed on the side of the editor
type GutterMessage struct {
lineNum int
msg string
kind int
}
// These are the different types of messages
const (
// GutterInfo represents a simple info message
GutterInfo = iota
// GutterWarning represents a compiler warning
GutterWarning
// GutterError represents a compiler error
GutterError
)

View file

@ -3,147 +3,67 @@ package main
import (
"flag"
"fmt"
"io"
"io/ioutil"
"log"
"os"
"os/signal"
"regexp"
"path/filepath"
"runtime"
"runtime/pprof"
"sort"
"strconv"
"syscall"
"strings"
"time"
"github.com/go-errors/errors"
isatty "github.com/mattn/go-isatty"
lua "github.com/yuin/gopher-lua"
"github.com/zyedidia/micro/v2/internal/action"
"github.com/zyedidia/micro/v2/internal/buffer"
"github.com/zyedidia/micro/v2/internal/clipboard"
"github.com/zyedidia/micro/v2/internal/config"
"github.com/zyedidia/micro/v2/internal/screen"
"github.com/zyedidia/micro/v2/internal/shell"
"github.com/zyedidia/micro/v2/internal/util"
"github.com/zyedidia/tcell/v2"
"github.com/mattn/go-isatty"
"github.com/mitchellh/go-homedir"
"github.com/yuin/gopher-lua"
"github.com/zyedidia/clipboard"
"github.com/zyedidia/tcell"
"github.com/zyedidia/tcell/encoding"
"layeh.com/gopher-luar"
)
const (
doubleClickThreshold = 400 // How many milliseconds to wait before a second click is not a double click
undoThreshold = 500 // If two events are less than n milliseconds apart, undo both of them
autosaveTime = 8 // Number of seconds to wait before autosaving
)
var (
// Command line flags
flagVersion = flag.Bool("version", false, "Show the version number and information")
flagConfigDir = flag.String("config-dir", "", "Specify a custom location for the configuration directory")
flagOptions = flag.Bool("options", false, "Show all option help")
flagDebug = flag.Bool("debug", false, "Enable debug mode (prints debug info to ./log.txt)")
flagProfile = flag.Bool("profile", false, "Enable CPU profiling (writes profile info to ./micro.prof)")
flagPlugin = flag.String("plugin", "", "Plugin command")
flagClean = flag.Bool("clean", false, "Clean configuration directory")
optionFlags map[string]*string
// The main screen
screen tcell.Screen
sigterm chan os.Signal
sighup chan os.Signal
// Object to send messages and prompts to the user
messenger *Messenger
timerChan chan func()
// The default highlighting style
// This simply defines the default foreground and background colors
defStyle tcell.Style
// Where the user's configuration is
// This should be $XDG_CONFIG_HOME/micro
// If $XDG_CONFIG_HOME is not set, it is ~/.config/micro
configDir string
// Version is the version number or commit hash
// These variables should be set by the linker when compiling
Version = "0.0.0-unknown"
CommitHash = "Unknown"
CompileDate = "Unknown"
// The list of views
tabs []*Tab
// This is the currently open tab
// It's just an index to the tab in the tabs array
curTab int
// Channel of jobs running in the background
jobs chan JobFunction
// Event channel
events chan tcell.Event
autosave chan bool
)
func InitFlags() {
flag.Usage = func() {
fmt.Println("Usage: micro [OPTIONS] [FILE]...")
fmt.Println("-clean")
fmt.Println(" \tCleans the configuration directory")
fmt.Println("-config-dir dir")
fmt.Println(" \tSpecify a custom location for the configuration directory")
fmt.Println("[FILE]:LINE:COL (if the `parsecursor` option is enabled)")
fmt.Println("+LINE:COL")
fmt.Println(" \tSpecify a line and column to start the cursor at when opening a buffer")
fmt.Println("-options")
fmt.Println(" \tShow all option help")
fmt.Println("-debug")
fmt.Println(" \tEnable debug mode (enables logging to ./log.txt)")
fmt.Println("-profile")
fmt.Println(" \tEnable CPU profiling (writes profile info to ./micro.prof")
fmt.Println(" \tso it can be analyzed later with \"go tool pprof micro.prof\")")
fmt.Println("-version")
fmt.Println(" \tShow the version number and information")
fmt.Print("\nMicro's plugins can be managed at the command line with the following commands.\n")
fmt.Println("-plugin install [PLUGIN]...")
fmt.Println(" \tInstall plugin(s)")
fmt.Println("-plugin remove [PLUGIN]...")
fmt.Println(" \tRemove plugin(s)")
fmt.Println("-plugin update [PLUGIN]...")
fmt.Println(" \tUpdate plugin(s) (if no argument is given, updates all plugins)")
fmt.Println("-plugin search [PLUGIN]...")
fmt.Println(" \tSearch for a plugin")
fmt.Println("-plugin list")
fmt.Println(" \tList installed plugins")
fmt.Println("-plugin available")
fmt.Println(" \tList available plugins")
fmt.Print("\nMicro's options can also be set via command line arguments for quick\nadjustments. For real configuration, please use the settings.json\nfile (see 'help options').\n\n")
fmt.Println("-option value")
fmt.Println(" \tSet `option` to `value` for this session")
fmt.Println(" \tFor example: `micro -syntax off file.c`")
fmt.Println("\nUse `micro -options` to see the full list of configuration options")
}
optionFlags = make(map[string]*string)
for k, v := range config.DefaultAllSettings() {
optionFlags[k] = flag.String(k, "", fmt.Sprintf("The %s option. Default value: '%v'.", k, v))
}
flag.Parse()
if *flagVersion {
// If -version was passed
fmt.Println("Version:", util.Version)
fmt.Println("Commit hash:", util.CommitHash)
fmt.Println("Compiled on", util.CompileDate)
os.Exit(0)
}
if *flagOptions {
// If -options was passed
var keys []string
m := config.DefaultAllSettings()
for k := range m {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
v := m[k]
fmt.Printf("-%s value\n", k)
fmt.Printf(" \tDefault value: '%v'\n", v)
}
os.Exit(0)
}
if util.Debug == "OFF" && *flagDebug {
util.Debug = "ON"
}
}
// DoPluginFlags parses and executes any flags that require LoadAllPlugins (-plugin and -clean)
func DoPluginFlags() {
if *flagClean || *flagPlugin != "" {
config.LoadAllPlugins()
if *flagPlugin != "" {
args := flag.Args()
config.PluginCommand(os.Stdout, *flagPlugin, args)
} else if *flagClean {
CleanConfig()
}
os.Exit(0)
}
}
// LoadInput determines which files should be loaded into buffers
// based on the input stored in flag.Args()
func LoadInput(args []string) []*buffer.Buffer {
func LoadInput() []*Buffer {
// There are a number of ways micro should start given its input
// 1. If it is given a files in flag.Args(), it should open those
@ -158,53 +78,37 @@ func LoadInput(args []string) []*buffer.Buffer {
var filename string
var input []byte
var err error
buffers := make([]*buffer.Buffer, 0, len(args))
args := flag.Args()
buffers := make([]*Buffer, 0, len(args))
btype := buffer.BTDefault
if !isatty.IsTerminal(os.Stdout.Fd()) {
btype = buffer.BTStdout
}
files := make([]string, 0, len(args))
flagStartPos := buffer.Loc{-1, -1}
flagr := regexp.MustCompile(`^\+(\d+)(?::(\d+))?$`)
for _, a := range args {
match := flagr.FindStringSubmatch(a)
if len(match) == 3 && match[2] != "" {
line, err := strconv.Atoi(match[1])
if err != nil {
screen.TermMessage(err)
continue
}
col, err := strconv.Atoi(match[2])
if err != nil {
screen.TermMessage(err)
continue
}
flagStartPos = buffer.Loc{col - 1, line - 1}
} else if len(match) == 3 && match[2] == "" {
line, err := strconv.Atoi(match[1])
if err != nil {
screen.TermMessage(err)
continue
}
flagStartPos = buffer.Loc{0, line - 1}
} else {
files = append(files, a)
}
}
if len(files) > 0 {
if len(args) > 0 {
// Option 1
// We go through each file and load it
for i := 0; i < len(files); i++ {
buf, err := buffer.NewBufferFromFileAtLoc(files[i], btype, flagStartPos)
if err != nil {
screen.TermMessage(err)
continue
for i := 0; i < len(args); i++ {
filename = args[i]
// Check that the file exists
var input *os.File
if _, e := os.Stat(filename); e == nil {
// If it exists we load it into a buffer
input, err = os.Open(filename)
stat, _ := input.Stat()
defer input.Close()
if err != nil {
TermMessage(err)
continue
}
if stat.IsDir() {
TermMessage("Cannot read", filename, "because it is a directory")
continue
}
}
// If the file didn't exist, input will be empty, and we'll open an empty buffer
buffers = append(buffers, buf)
if input != nil {
buffers = append(buffers, NewBuffer(input, FSize(input), filename))
} else {
buffers = append(buffers, NewBufferFromString("", filename))
}
}
} else if !isatty.IsTerminal(os.Stdin.Fd()) {
// Option 2
@ -212,277 +116,396 @@ func LoadInput(args []string) []*buffer.Buffer {
// and we should read from stdin
input, err = ioutil.ReadAll(os.Stdin)
if err != nil {
screen.TermMessage("Error reading from stdin: ", err)
TermMessage("Error reading from stdin: ", err)
input = []byte{}
}
buffers = append(buffers, buffer.NewBufferFromStringAtLoc(string(input), filename, btype, flagStartPos))
buffers = append(buffers, NewBufferFromString(string(input), filename))
} else {
// Option 3, just open an empty buffer
buffers = append(buffers, buffer.NewBufferFromStringAtLoc(string(input), filename, btype, flagStartPos))
buffers = append(buffers, NewBufferFromString(string(input), filename))
}
return buffers
}
func main() {
defer func() {
if util.Stdout.Len() > 0 {
fmt.Fprint(os.Stdout, util.Stdout.String())
}
os.Exit(0)
}()
var err error
InitFlags()
if *flagProfile {
f, err := os.Create("micro.prof")
// InitConfigDir finds the configuration directory for micro according to the XDG spec.
// If no directory is found, it creates one.
func InitConfigDir() {
xdgHome := os.Getenv("XDG_CONFIG_HOME")
if xdgHome == "" {
// The user has not set $XDG_CONFIG_HOME so we should act like it was set to ~/.config
home, err := homedir.Dir()
if err != nil {
log.Fatal("error creating CPU profile: ", err)
TermMessage("Error finding your home directory\nCan't load config files")
return
}
if err := pprof.StartCPUProfile(f); err != nil {
log.Fatal("error starting CPU profile: ", err)
}
defer pprof.StopCPUProfile()
xdgHome = home + "/.config"
}
configDir = xdgHome + "/micro"
InitLog()
err = config.InitConfigDir(*flagConfigDir)
if err != nil {
screen.TermMessage(err)
}
config.InitRuntimeFiles(true)
config.InitPlugins()
err = config.ReadSettings()
if err != nil {
screen.TermMessage(err)
}
err = config.InitGlobalSettings()
if err != nil {
screen.TermMessage(err)
}
// flag options
for k, v := range optionFlags {
if *v != "" {
nativeValue, err := config.GetNativeValue(k, config.DefaultAllSettings()[k], *v)
if err != nil {
screen.TermMessage(err)
continue
}
config.GlobalSettings[k] = nativeValue
config.VolatileSettings[k] = true
if len(*flagConfigDir) > 0 {
if _, err := os.Stat(*flagConfigDir); os.IsNotExist(err) {
TermMessage("Error: " + *flagConfigDir + " does not exist. Defaulting to " + configDir + ".")
} else {
configDir = *flagConfigDir
return
}
}
DoPluginFlags()
if _, err := os.Stat(xdgHome); os.IsNotExist(err) {
// If the xdgHome doesn't exist we should create it
err = os.Mkdir(xdgHome, os.ModePerm)
if err != nil {
TermMessage("Error creating XDG_CONFIG_HOME directory: " + err.Error())
}
}
err = screen.Init()
if _, err := os.Stat(configDir); os.IsNotExist(err) {
// If the micro specific config directory doesn't exist we should create that too
err = os.Mkdir(configDir, os.ModePerm)
if err != nil {
TermMessage("Error creating configuration directory: " + err.Error())
}
}
}
// InitScreen creates and initializes the tcell screen
func InitScreen() {
// Should we enable true color?
truecolor := os.Getenv("MICRO_TRUECOLOR") == "1"
// In order to enable true color, we have to set the TERM to `xterm-truecolor` when
// initializing tcell, but after that, we can set the TERM back to whatever it was
oldTerm := os.Getenv("TERM")
if truecolor {
os.Setenv("TERM", "xterm-truecolor")
}
// Initilize tcell
var err error
screen, err = tcell.NewScreen()
if err != nil {
fmt.Println(err)
fmt.Println("Fatal: Micro could not initialize a Screen.")
if err == tcell.ErrTermNotFound {
fmt.Println("Micro does not recognize your terminal:", oldTerm)
fmt.Println("Please go to https://github.com/zyedidia/mkinfo to read about how to fix this problem (it should be easy to fix).")
}
os.Exit(1)
}
if err = screen.Init(); err != nil {
fmt.Println(err)
os.Exit(1)
}
m := clipboard.SetMethod(config.GetGlobalOption("clipboard").(string))
clipErr := clipboard.Initialize(m)
// Now we can put the TERM back to what it was before
if truecolor {
os.Setenv("TERM", oldTerm)
}
screen.SetStyle(defStyle)
}
// RedrawAll redraws everything -- all the views and the messenger
func RedrawAll() {
messenger.Clear()
w, h := screen.Size()
for x := 0; x < w; x++ {
for y := 0; y < h; y++ {
screen.SetContent(x, y, ' ', nil, defStyle)
}
}
for _, v := range tabs[curTab].views {
v.Display()
}
DisplayTabs()
messenger.Display()
screen.Show()
}
func LoadAll() {
// Find the user's configuration directory (probably $XDG_CONFIG_HOME/micro)
InitConfigDir()
// Build a list of available Extensions (Syntax, Colorscheme etc.)
InitRuntimeFiles()
// Load the user's settings
InitGlobalSettings()
InitCommands()
InitBindings()
InitColorscheme()
for _, tab := range tabs {
for _, v := range tab.views {
v.Buf.UpdateRules()
}
}
}
// Passing -version as a flag will have micro print out the version number
var flagVersion = flag.Bool("version", false, "Show the version number and information")
var flagStartPos = flag.String("startpos", "", "LINE,COL to start the cursor at when opening a buffer.")
var flagConfigDir = flag.String("config-dir", "", "Specify a custom location for the configuration directory")
var optionFlagSet = flag.NewFlagSet("option", flag.ExitOnError)
func main() {
flag.Usage = func() {
fmt.Println("Usage: micro [OPTIONS] [FILE]...")
flag.CommandLine.SetOutput(os.Stdout)
flag.PrintDefaults()
optionFlagSet.SetOutput(os.Stdout)
fmt.Print("\n------------------------------------------------------------------\n")
fmt.Print("Micro's options can also be set via command line arguments for quick\nadjustments. For real configuration, please use the bindings.json\nfile (see 'help options').\n\n")
optionFlagSet.PrintDefaults()
}
optionFlags := make(map[string]*string)
for k, v := range DefaultGlobalSettings() {
optionFlags[k] = optionFlagSet.String(k, "", fmt.Sprintf("The %s option. Default value: '%v'", k, v))
}
flag.Parse()
if *flagVersion {
// If -version was passed
fmt.Println("Version:", Version)
fmt.Println("Commit hash:", CommitHash)
fmt.Println("Compiled on", CompileDate)
os.Exit(0)
}
// Start the Lua VM for running plugins
L = lua.NewState()
defer L.Close()
// Some encoding stuff in case the user isn't using UTF-8
encoding.Register()
tcell.SetEncodingFallback(tcell.EncodingFallbackASCII)
// Find the user's configuration directory (probably $XDG_CONFIG_HOME/micro)
InitConfigDir()
// Build a list of available Extensions (Syntax, Colorscheme etc.)
InitRuntimeFiles()
// Load the user's settings
InitGlobalSettings()
InitCommands()
InitBindings()
// Start the screen
InitScreen()
// This is just so if we have an error, we can exit cleanly and not completely
// mess up the terminal being worked in
// In other words we need to shut down tcell before the program crashes
defer func() {
if err := recover(); err != nil {
if screen.Screen != nil {
screen.Screen.Fini()
}
if e, ok := err.(*lua.ApiError); ok {
fmt.Println("Lua API error:", e)
} else {
fmt.Println("Micro encountered an error:", errors.Wrap(err, 2).ErrorStack(), "\nIf you can reproduce this error, please report it at https://github.com/zyedidia/micro/issues")
}
// backup all open buffers
for _, b := range buffer.OpenBuffers {
b.Backup()
}
screen.Fini()
fmt.Println("Micro encountered an error:", err)
// Print the stack trace too
fmt.Print(errors.Wrap(err, 2).ErrorStack())
os.Exit(1)
}
}()
err = config.LoadAllPlugins()
if err != nil {
screen.TermMessage(err)
// Create a new messenger
// This is used for sending the user messages in the bottom of the editor
messenger = new(Messenger)
messenger.history = make(map[string][]string)
// Now we load the input
buffers := LoadInput()
if len(buffers) == 0 {
screen.Fini()
os.Exit(1)
}
action.InitBindings()
action.InitCommands()
for _, buf := range buffers {
// For each buffer we create a new tab and place the view in that tab
tab := NewTabFromView(NewView(buf))
tab.SetNum(len(tabs))
tabs = append(tabs, tab)
for _, t := range tabs {
for _, v := range t.views {
v.Center(false)
}
err = config.InitColorscheme()
if err != nil {
screen.TermMessage(err)
t.Resize()
}
}
err = config.RunPluginFn("preinit")
if err != nil {
screen.TermMessage(err)
for k, v := range optionFlags {
if *v != "" {
SetOption(k, *v)
}
}
action.InitGlobals()
buffer.SetMessager(action.InfoBar)
args := flag.Args()
b := LoadInput(args)
// Load all the plugin stuff
// We give plugins access to a bunch of variables here which could be useful to them
L.SetGlobal("OS", luar.New(L, runtime.GOOS))
L.SetGlobal("tabs", luar.New(L, tabs))
L.SetGlobal("curTab", luar.New(L, curTab))
L.SetGlobal("messenger", luar.New(L, messenger))
L.SetGlobal("GetOption", luar.New(L, GetOption))
L.SetGlobal("AddOption", luar.New(L, AddOption))
L.SetGlobal("SetOption", luar.New(L, SetOption))
L.SetGlobal("SetLocalOption", luar.New(L, SetLocalOption))
L.SetGlobal("BindKey", luar.New(L, BindKey))
L.SetGlobal("MakeCommand", luar.New(L, MakeCommand))
L.SetGlobal("CurView", luar.New(L, CurView))
L.SetGlobal("IsWordChar", luar.New(L, IsWordChar))
L.SetGlobal("HandleCommand", luar.New(L, HandleCommand))
L.SetGlobal("HandleShellCommand", luar.New(L, HandleShellCommand))
L.SetGlobal("GetLeadingWhitespace", luar.New(L, GetLeadingWhitespace))
L.SetGlobal("MakeCompletion", luar.New(L, MakeCompletion))
L.SetGlobal("NewBuffer", luar.New(L, NewBufferFromString))
L.SetGlobal("RuneStr", luar.New(L, func(r rune) string {
return string(r)
}))
L.SetGlobal("Loc", luar.New(L, func(x, y int) Loc {
return Loc{x, y}
}))
L.SetGlobal("WorkingDirectory", luar.New(L, os.Getwd))
L.SetGlobal("JoinPaths", luar.New(L, filepath.Join))
L.SetGlobal("DirectoryName", luar.New(L, filepath.Dir))
L.SetGlobal("configDir", luar.New(L, configDir))
L.SetGlobal("Reload", luar.New(L, LoadAll))
L.SetGlobal("ByteOffset", luar.New(L, ByteOffset))
L.SetGlobal("ToCharPos", luar.New(L, ToCharPos))
if len(b) == 0 {
// No buffers to open
screen.Screen.Fini()
runtime.Goexit()
// Used for asynchronous jobs
L.SetGlobal("JobStart", luar.New(L, JobStart))
L.SetGlobal("JobSpawn", luar.New(L, JobSpawn))
L.SetGlobal("JobSend", luar.New(L, JobSend))
L.SetGlobal("JobStop", luar.New(L, JobStop))
// Extension Files
L.SetGlobal("ReadRuntimeFile", luar.New(L, PluginReadRuntimeFile))
L.SetGlobal("ListRuntimeFiles", luar.New(L, PluginListRuntimeFiles))
L.SetGlobal("AddRuntimeFile", luar.New(L, PluginAddRuntimeFile))
L.SetGlobal("AddRuntimeFilesFromDirectory", luar.New(L, PluginAddRuntimeFilesFromDirectory))
L.SetGlobal("AddRuntimeFileFromMemory", luar.New(L, PluginAddRuntimeFileFromMemory))
// Access to Go stdlib
L.SetGlobal("import", luar.New(L, Import))
jobs = make(chan JobFunction, 100)
events = make(chan tcell.Event, 100)
autosave = make(chan bool)
LoadPlugins()
for _, t := range tabs {
for _, v := range t.views {
for pl := range loadedPlugins {
_, err := Call(pl+".onViewOpen", v)
if err != nil && !strings.HasPrefix(err.Error(), "function does not exist") {
TermMessage(err)
continue
}
}
}
}
action.InitTabs(b)
err = config.RunPluginFn("init")
if err != nil {
screen.TermMessage(err)
}
err = config.RunPluginFn("postinit")
if err != nil {
screen.TermMessage(err)
}
if clipErr != nil {
log.Println(clipErr, " or change 'clipboard' option")
}
if a := config.GetGlobalOption("autosave").(float64); a > 0 {
config.SetAutoTime(int(a))
config.StartAutoSave()
}
screen.Events = make(chan tcell.Event)
sigterm = make(chan os.Signal, 1)
sighup = make(chan os.Signal, 1)
signal.Notify(sigterm, syscall.SIGTERM, syscall.SIGINT, syscall.SIGQUIT, syscall.SIGABRT)
signal.Notify(sighup, syscall.SIGHUP)
timerChan = make(chan func())
InitColorscheme()
// Here is the event loop which runs in a separate thread
go func() {
for {
screen.Lock()
e := screen.Screen.PollEvent()
screen.Unlock()
if e != nil {
screen.Events <- e
if screen != nil {
events <- screen.PollEvent()
}
}
}()
// clear the drawchan so we don't redraw excessively
// if someone requested a redraw before we started displaying
for len(screen.DrawChan()) > 0 {
<-screen.DrawChan()
}
// wait for initial resize event
select {
case event := <-screen.Events:
action.Tabs.HandleEvent(event)
case <-time.After(10 * time.Millisecond):
// time out after 10ms
}
go func() {
for {
time.Sleep(autosaveTime * time.Second)
if globalSettings["autosave"].(bool) {
autosave <- true
}
}
}()
for {
DoEvent()
}
}
// Display everything
RedrawAll()
// DoEvent runs the main action loop of the editor
func DoEvent() {
var event tcell.Event
var event tcell.Event
// Display everything
screen.Screen.Fill(' ', config.DefStyle)
screen.Screen.HideCursor()
action.Tabs.Display()
for _, ep := range action.MainTab().Panes {
ep.Display()
}
action.MainTab().Display()
action.InfoBar.Display()
screen.Screen.Show()
// Check for new events
select {
case f := <-shell.Jobs:
// If a new job has finished while running in the background we should execute the callback
f.Function(f.Output, f.Args)
case <-config.Autosave:
for _, b := range buffer.OpenBuffers {
b.AutoSave()
}
case <-shell.CloseTerms:
case event = <-screen.Events:
case <-screen.DrawChan():
for len(screen.DrawChan()) > 0 {
<-screen.DrawChan()
}
case f := <-timerChan:
f()
case <-sighup:
for _, b := range buffer.OpenBuffers {
if !b.Modified() {
b.Fini()
}
}
os.Exit(0)
case <-sigterm:
for _, b := range buffer.OpenBuffers {
if !b.Modified() {
b.Fini()
}
// Check for new events
select {
case f := <-jobs:
// If a new job has finished while running in the background we should execute the callback
f.function(f.output, f.args...)
continue
case <-autosave:
CurView().Save(true)
case event = <-events:
}
if screen.Screen != nil {
screen.Screen.Fini()
}
os.Exit(0)
}
for event != nil {
switch e := event.(type) {
case *tcell.EventResize:
for _, t := range tabs {
t.Resize()
}
case *tcell.EventMouse:
if !searching {
if e.Buttons() == tcell.Button1 {
// If the user left clicked we check a couple things
_, h := screen.Size()
x, y := e.Position()
if y == h-1 && messenger.message != "" && globalSettings["infobar"].(bool) {
// If the user clicked in the bottom bar, and there is a message down there
// we copy it to the clipboard.
// Often error messages are displayed down there so it can be useful to easily
// copy the message
clipboard.WriteAll(messenger.message, "primary")
break
}
if e, ok := event.(*tcell.EventError); ok {
log.Println("tcell event error: ", e.Error())
if e.Err() == io.EOF {
// shutdown due to terminal closing/becoming inaccessible
for _, b := range buffer.OpenBuffers {
if !b.Modified() {
b.Fini()
if CurView().mouseReleased {
// We loop through each view in the current tab and make sure the current view
// is the one being clicked in
for _, v := range tabs[curTab].views {
if x > v.x && x <= v.x+v.Width && y > v.y && y <= v.y+v.Height {
tabs[curTab].CurView = v.Num
}
}
}
}
}
}
if screen.Screen != nil {
screen.Screen.Fini()
// This function checks the mouse event for the possibility of changing the current tab
// If the tab was changed it returns true
if TabbarHandleMouseEvent(event) {
break
}
os.Exit(0)
}
return
}
if event != nil {
_, resize := event.(*tcell.EventResize)
if resize {
action.InfoBar.HandleEvent(event)
action.Tabs.HandleEvent(event)
} else if action.InfoBar.HasPrompt {
action.InfoBar.HandleEvent(event)
} else {
action.Tabs.HandleEvent(event)
}
}
if searching {
// Since searching is done in real time, we need to redraw every time
// there is a new event in the search bar so we need a special function
// to run instead of the standard HandleEvent.
HandleSearchEvent(event, CurView())
} else {
// Send it to the view
CurView().HandleEvent(event)
}
err := config.RunPluginFn("onAnyEvent")
if err != nil {
screen.TermMessage(err)
select {
case event = <-events:
default:
event = nil
}
}
}
}

View file

@ -1,357 +0,0 @@
package main
import (
"fmt"
"io/ioutil"
"log"
"os"
"testing"
"github.com/go-errors/errors"
"github.com/stretchr/testify/assert"
"github.com/zyedidia/micro/v2/internal/action"
"github.com/zyedidia/micro/v2/internal/buffer"
"github.com/zyedidia/micro/v2/internal/config"
"github.com/zyedidia/micro/v2/internal/screen"
"github.com/zyedidia/tcell/v2"
)
var tempDir string
var sim tcell.SimulationScreen
func init() {
screen.Events = make(chan tcell.Event, 8)
}
func startup(args []string) (tcell.SimulationScreen, error) {
var err error
tempDir, err = ioutil.TempDir("", "micro_test")
if err != nil {
return nil, err
}
err = config.InitConfigDir(tempDir)
if err != nil {
return nil, err
}
config.InitRuntimeFiles(true)
config.InitPlugins()
err = config.ReadSettings()
if err != nil {
return nil, err
}
err = config.InitGlobalSettings()
if err != nil {
return nil, err
}
s, err := screen.InitSimScreen()
if err != nil {
return nil, err
}
defer func() {
if err := recover(); err != nil {
screen.Screen.Fini()
fmt.Println("Micro encountered an error:", err)
// backup all open buffers
for _, b := range buffer.OpenBuffers {
b.Backup()
}
// Print the stack trace too
log.Fatalf(errors.Wrap(err, 2).ErrorStack())
}
}()
err = config.LoadAllPlugins()
if err != nil {
screen.TermMessage(err)
}
action.InitBindings()
action.InitCommands()
err = config.InitColorscheme()
if err != nil {
return nil, err
}
b := LoadInput(args)
if len(b) == 0 {
return nil, errors.New("No buffers opened")
}
action.InitTabs(b)
action.InitGlobals()
err = config.RunPluginFn("init")
if err != nil {
return nil, err
}
s.InjectResize()
handleEvent()
return s, nil
}
func cleanup() {
os.RemoveAll(tempDir)
}
func handleEvent() {
screen.Lock()
e := screen.Screen.PollEvent()
screen.Unlock()
if e != nil {
screen.Events <- e
}
for len(screen.DrawChan()) > 0 || len(screen.Events) > 0 {
DoEvent()
}
}
func injectKey(key tcell.Key, r rune, mod tcell.ModMask) {
sim.InjectKey(key, r, mod)
handleEvent()
}
func injectMouse(x, y int, buttons tcell.ButtonMask, mod tcell.ModMask) {
sim.InjectMouse(x, y, buttons, mod)
handleEvent()
}
func injectString(str string) {
// the tcell simulation screen event channel can only handle
// 10 events at once, so we need to divide up the key events
// into chunks of 10 and handle the 10 events before sending
// another chunk of events
iters := len(str) / 10
extra := len(str) % 10
for i := 0; i < iters; i++ {
s := i * 10
e := i*10 + 10
sim.InjectKeyBytes([]byte(str[s:e]))
for i := 0; i < 10; i++ {
handleEvent()
}
}
sim.InjectKeyBytes([]byte(str[len(str)-extra:]))
for i := 0; i < extra; i++ {
handleEvent()
}
}
func openFile(file string) {
injectKey(tcell.KeyCtrlE, rune(tcell.KeyCtrlE), tcell.ModCtrl)
injectString(fmt.Sprintf("open %s", file))
injectKey(tcell.KeyEnter, rune(tcell.KeyEnter), tcell.ModNone)
}
func findBuffer(file string) *buffer.Buffer {
var buf *buffer.Buffer
for _, b := range buffer.OpenBuffers {
if b.Path == file {
buf = b
}
}
return buf
}
func createTestFile(name string, content string) (string, error) {
testf, err := ioutil.TempFile("", name)
if err != nil {
return "", err
}
if _, err := testf.Write([]byte(content)); err != nil {
return "", err
}
if err := testf.Close(); err != nil {
return "", err
}
return testf.Name(), nil
}
func TestMain(m *testing.M) {
var err error
sim, err = startup([]string{})
if err != nil {
log.Fatalln(err)
}
retval := m.Run()
cleanup()
os.Exit(retval)
}
func TestSimpleEdit(t *testing.T) {
file, err := createTestFile("micro_simple_edit_test", "base content")
if err != nil {
t.Error(err)
return
}
defer os.Remove(file)
openFile(file)
if findBuffer(file) == nil {
t.Errorf("Could not find buffer %s", file)
return
}
injectKey(tcell.KeyEnter, rune(tcell.KeyEnter), tcell.ModNone)
injectKey(tcell.KeyUp, 0, tcell.ModNone)
injectString("first line")
// test both kinds of backspace
for i := 0; i < len("ne"); i++ {
injectKey(tcell.KeyBackspace, rune(tcell.KeyBackspace), tcell.ModNone)
}
for i := 0; i < len(" li"); i++ {
injectKey(tcell.KeyBackspace2, rune(tcell.KeyBackspace2), tcell.ModNone)
}
injectString("foobar")
injectKey(tcell.KeyCtrlS, rune(tcell.KeyCtrlS), tcell.ModCtrl)
data, err := ioutil.ReadFile(file)
if err != nil {
t.Error(err)
return
}
assert.Equal(t, "firstfoobar\nbase content\n", string(data))
}
func TestMouse(t *testing.T) {
file, err := createTestFile("micro_mouse_test", "base content")
if err != nil {
t.Error(err)
return
}
defer os.Remove(file)
openFile(file)
if findBuffer(file) == nil {
t.Errorf("Could not find buffer %s", file)
return
}
// buffer:
// base content
// the selections need to happen at different locations to avoid a double click
injectMouse(3, 0, tcell.Button1, tcell.ModNone)
injectKey(tcell.KeyLeft, 0, tcell.ModNone)
injectMouse(0, 0, tcell.ButtonNone, tcell.ModNone)
injectString("secondline")
// buffer:
// secondlinebase content
injectKey(tcell.KeyEnter, rune(tcell.KeyEnter), tcell.ModNone)
// buffer:
// secondline
// base content
injectMouse(2, 0, tcell.Button1, tcell.ModNone)
injectMouse(0, 0, tcell.ButtonNone, tcell.ModNone)
injectKey(tcell.KeyEnter, rune(tcell.KeyEnter), tcell.ModNone)
// buffer:
//
// secondline
// base content
injectKey(tcell.KeyUp, 0, tcell.ModNone)
injectString("firstline")
// buffer:
// firstline
// secondline
// base content
injectKey(tcell.KeyCtrlS, rune(tcell.KeyCtrlS), tcell.ModCtrl)
data, err := ioutil.ReadFile(file)
if err != nil {
t.Error(err)
return
}
assert.Equal(t, "firstline\nsecondline\nbase content\n", string(data))
}
var srTestStart = `foo
foo
foofoofoo
Ernleȝe foo æðelen
`
var srTest2 = `test_string
test_string
test_stringtest_stringtest_string
Ernleȝe test_string æðelen
`
var srTest3 = `test_foo
test_string
test_footest_stringtest_foo
Ernleȝe test_string æðelen
`
func TestSearchAndReplace(t *testing.T) {
file, err := createTestFile("micro_search_replace_test", srTestStart)
if err != nil {
t.Error(err)
return
}
defer os.Remove(file)
openFile(file)
if findBuffer(file) == nil {
t.Errorf("Could not find buffer %s", file)
return
}
injectKey(tcell.KeyCtrlE, rune(tcell.KeyCtrlE), tcell.ModCtrl)
injectString(fmt.Sprintf("replaceall %s %s", "foo", "test_string"))
injectKey(tcell.KeyEnter, rune(tcell.KeyEnter), tcell.ModNone)
injectKey(tcell.KeyCtrlS, rune(tcell.KeyCtrlS), tcell.ModCtrl)
data, err := ioutil.ReadFile(file)
if err != nil {
t.Error(err)
return
}
assert.Equal(t, srTest2, string(data))
injectKey(tcell.KeyCtrlE, rune(tcell.KeyCtrlE), tcell.ModCtrl)
injectString(fmt.Sprintf("replace %s %s", "string", "foo"))
injectKey(tcell.KeyEnter, rune(tcell.KeyEnter), tcell.ModNone)
injectString("ynyny")
injectKey(tcell.KeyEscape, 0, tcell.ModNone)
injectKey(tcell.KeyCtrlS, rune(tcell.KeyCtrlS), tcell.ModCtrl)
data, err = ioutil.ReadFile(file)
if err != nil {
t.Error(err)
return
}
assert.Equal(t, srTest3, string(data))
}
func TestMultiCursor(t *testing.T) {
// TODO
}
func TestSettingsPersistence(t *testing.T) {
// TODO
}
// more tests (rendering, tabs, plugins)?

165
cmd/micro/plugin.go Normal file
View file

@ -0,0 +1,165 @@
package main
import (
"errors"
"io/ioutil"
"os"
"strings"
"github.com/yuin/gopher-lua"
"github.com/zyedidia/tcell"
"layeh.com/gopher-luar"
)
var loadedPlugins map[string]string
// Call calls the lua function 'function'
// If it does not exist nothing happens, if there is an error,
// the error is returned
func Call(function string, args ...interface{}) (lua.LValue, error) {
var luaFunc lua.LValue
if strings.Contains(function, ".") {
plugin := L.GetGlobal(strings.Split(function, ".")[0])
if plugin.String() == "nil" {
return nil, errors.New("function does not exist: " + function)
}
luaFunc = L.GetField(plugin, strings.Split(function, ".")[1])
} else {
luaFunc = L.GetGlobal(function)
}
if luaFunc.String() == "nil" {
return nil, errors.New("function does not exist: " + function)
}
var luaArgs []lua.LValue
for _, v := range args {
luaArgs = append(luaArgs, luar.New(L, v))
}
err := L.CallByParam(lua.P{
Fn: luaFunc,
NRet: 1,
Protect: true,
}, luaArgs...)
ret := L.Get(-1) // returned value
if ret.String() != "nil" {
L.Pop(1) // remove received value
}
return ret, err
}
// LuaFunctionBinding is a function generator which takes the name of a lua function
// and creates a function that will call that lua function
// Specifically it creates a function that can be called as a binding because this is used
// to bind keys to lua functions
func LuaFunctionBinding(function string) func(*View, bool) bool {
return func(v *View, _ bool) bool {
_, err := Call(function, nil)
if err != nil {
TermMessage(err)
}
return false
}
}
func LuaFunctionMouseBinding(function string) func(*View, bool, *tcell.EventMouse) bool {
return func(v *View, _ bool, e *tcell.EventMouse) bool {
_, err := Call(function, e)
if err != nil {
TermMessage(err)
}
return false
}
}
func unpack(old []string) []interface{} {
new := make([]interface{}, len(old))
for i, v := range old {
new[i] = v
}
return new
}
// LuaFunctionCommand is the same as LuaFunctionBinding except it returns a normal function
// so that a command can be bound to a lua function
func LuaFunctionCommand(function string) func([]string) {
return func(args []string) {
_, err := Call(function, unpack(args)...)
if err != nil {
TermMessage(err)
}
}
}
// LuaFunctionComplete returns a function which can be used for autocomplete in plugins
func LuaFunctionComplete(function string) func(string) []string {
return func(input string) (result []string) {
res, err := Call(function, input)
if err != nil {
TermMessage(err)
}
if tbl, ok := res.(*lua.LTable); !ok {
TermMessage(function, "should return a table of strings")
} else {
for i := 1; i <= tbl.Len(); i++ {
val := tbl.RawGetInt(i)
if v, ok := val.(lua.LString); !ok {
TermMessage(function, "should return a table of strings")
} else {
result = append(result, string(v))
}
}
}
return result
}
}
func LuaFunctionJob(function string) func(string, ...string) {
return func(output string, args ...string) {
_, err := Call(function, unpack(append([]string{output}, args...))...)
if err != nil {
TermMessage(err)
}
}
}
// luaPluginName convert a human-friendly plugin name into a valid lua variable name.
func luaPluginName(name string) string {
return strings.Replace(name, "-", "_", -1)
}
// LoadPlugins loads the pre-installed plugins and the plugins located in ~/.config/micro/plugins
func LoadPlugins() {
loadedPlugins = make(map[string]string)
for _, plugin := range ListRuntimeFiles(RTPlugin) {
pluginName := plugin.Name()
if _, ok := loadedPlugins[pluginName]; ok {
continue
}
data, err := plugin.Data()
if err != nil {
TermMessage("Error loading plugin: " + pluginName)
continue
}
pluginLuaName := luaPluginName(pluginName)
if err := LoadFile(pluginName, pluginName, string(data)); err != nil {
TermMessage(err)
continue
}
loadedPlugins[pluginName] = pluginLuaName
}
if _, err := os.Stat(configDir + "/init.lua"); err == nil {
data, _ := ioutil.ReadFile(configDir + "/init.lua")
if err := LoadFile("init", configDir+"init.lua", string(data)); err != nil {
TermMessage(err)
}
loadedPlugins["init"] = "init"
}
}

View file

@ -1,4 +1,4 @@
package config
package main
import (
"archive/zip"
@ -8,16 +8,15 @@ import (
"io/ioutil"
"net/http"
"os"
"path"
"path/filepath"
"sort"
"strings"
"sync"
"github.com/blang/semver"
lua "github.com/yuin/gopher-lua"
"github.com/zyedidia/json5"
ulua "github.com/zyedidia/micro/v2/internal/lua"
"github.com/zyedidia/micro/v2/internal/util"
"github.com/flynn/json5"
"github.com/yuin/gopher-lua"
)
var (
@ -56,10 +55,6 @@ type PluginVersion struct {
Require PluginDependencies
}
func (pv *PluginVersion) Pack() *PluginPackage {
return pv.pack
}
// PluginVersions is a slice of PluginVersion
type PluginVersions []*PluginVersion
@ -118,17 +113,18 @@ func fetchAllSources(count int, fetcher func(i int) PluginPackages) PluginPackag
}
// Fetch retrieves all available PluginPackages from the given channels
func (pc PluginChannels) Fetch(out io.Writer) PluginPackages {
func (pc PluginChannels) Fetch() PluginPackages {
return fetchAllSources(len(pc), func(i int) PluginPackages {
return pc[i].Fetch(out)
return pc[i].Fetch()
})
}
// Fetch retrieves all available PluginPackages from the given channel
func (pc PluginChannel) Fetch(out io.Writer) PluginPackages {
func (pc PluginChannel) Fetch() PluginPackages {
// messenger.AddLog(fmt.Sprintf("Fetching channel: %q", string(pc)))
resp, err := http.Get(string(pc))
if err != nil {
fmt.Fprintln(out, "Failed to query plugin channel:\n", err)
TermMessage("Failed to query plugin channel:\n", err)
return PluginPackages{}
}
defer resp.Body.Close()
@ -136,19 +132,20 @@ func (pc PluginChannel) Fetch(out io.Writer) PluginPackages {
var repositories []PluginRepository
if err := decoder.Decode(&repositories); err != nil {
fmt.Fprintln(out, "Failed to decode channel data:\n", err)
TermMessage("Failed to decode channel data:\n", err)
return PluginPackages{}
}
return fetchAllSources(len(repositories), func(i int) PluginPackages {
return repositories[i].Fetch(out)
return repositories[i].Fetch()
})
}
// Fetch retrieves all available PluginPackages from the given repository
func (pr PluginRepository) Fetch(out io.Writer) PluginPackages {
func (pr PluginRepository) Fetch() PluginPackages {
// messenger.AddLog(fmt.Sprintf("Fetching repository: %q", string(pr)))
resp, err := http.Get(string(pr))
if err != nil {
fmt.Fprintln(out, "Failed to query plugin repository:\n", err)
TermMessage("Failed to query plugin repository:\n", err)
return PluginPackages{}
}
defer resp.Body.Close()
@ -156,7 +153,7 @@ func (pr PluginRepository) Fetch(out io.Writer) PluginPackages {
var plugins PluginPackages
if err := decoder.Decode(&plugins); err != nil {
fmt.Fprintln(out, "Failed to decode repository data:\n", err)
TermMessage("Failed to decode repository data:\n", err)
return PluginPackages{}
}
if len(plugins) > 0 {
@ -218,10 +215,10 @@ func (pp *PluginPackage) UnmarshalJSON(data []byte) error {
}
// GetAllPluginPackages gets all PluginPackages which may be available.
func GetAllPluginPackages(out io.Writer) PluginPackages {
func GetAllPluginPackages() PluginPackages {
if allPluginPackages == nil {
getOption := func(name string) []string {
data := GetGlobalOption(name)
data := GetOption(name)
if strs, ok := data.([]string); ok {
return strs
}
@ -249,9 +246,9 @@ func GetAllPluginPackages(out io.Writer) PluginPackages {
}
allPluginPackages = fetchAllSources(len(repos)+1, func(i int) PluginPackages {
if i == 0 {
return channels.Fetch(out)
return channels.Fetch()
}
return repos[i-1].Fetch(out)
return repos[i-1].Fetch()
})
}
return allPluginPackages
@ -301,8 +298,8 @@ func (pp PluginPackage) Match(text string) bool {
}
// IsInstallable returns true if the package can be installed.
func (pp PluginPackage) IsInstallable(out io.Writer) error {
_, err := GetAllPluginPackages(out).Resolve(GetInstalledVersions(true), PluginDependencies{
func (pp PluginPackage) IsInstallable() error {
_, err := GetAllPluginPackages().Resolve(GetInstalledVersions(true), PluginDependencies{
&PluginDependency{
Name: pp.Name,
Range: semver.Range(func(v semver.Version) bool { return true }),
@ -312,18 +309,18 @@ func (pp PluginPackage) IsInstallable(out io.Writer) error {
// SearchPlugin retrieves a list of all PluginPackages which match the given search text and
// could be or are already installed
func SearchPlugin(out io.Writer, texts []string) (plugins PluginPackages) {
func SearchPlugin(texts []string) (plugins PluginPackages) {
plugins = make(PluginPackages, 0)
pluginLoop:
for _, pp := range GetAllPluginPackages(out) {
for _, pp := range GetAllPluginPackages() {
for _, text := range texts {
if !pp.Match(text) {
continue pluginLoop
}
}
if err := pp.IsInstallable(out); err == nil {
if err := pp.IsInstallable(); err == nil {
plugins = append(plugins, pp)
}
}
@ -331,7 +328,7 @@ pluginLoop:
}
func isUnknownCoreVersion() bool {
_, err := semver.ParseTolerant(util.Version)
_, err := semver.ParseTolerant(Version)
return err != nil
}
@ -359,15 +356,12 @@ func newStaticPluginVersion(name, version string) *PluginVersion {
func GetInstalledVersions(withCore bool) PluginVersions {
result := PluginVersions{}
if withCore {
result = append(result, newStaticPluginVersion(CorePluginName, util.Version))
result = append(result, newStaticPluginVersion(CorePluginName, Version))
}
for _, p := range Plugins {
if !p.IsLoaded() {
continue
}
version := GetInstalledPluginVersion(p.Name)
if pv := newStaticPluginVersion(p.Name, version); pv != nil {
for name, lpname := range loadedPlugins {
version := GetInstalledPluginVersion(lpname)
if pv := newStaticPluginVersion(name, version); pv != nil {
result = append(result, pv)
}
}
@ -377,9 +371,9 @@ func GetInstalledVersions(withCore bool) PluginVersions {
// GetInstalledPluginVersion returns the string of the exported VERSION variable of a loaded plugin
func GetInstalledPluginVersion(name string) string {
plugin := ulua.L.GetGlobal(name)
plugin := L.GetGlobal(name)
if plugin != lua.LNil {
version := ulua.L.GetField(plugin, "VERSION")
version := L.GetField(plugin, "VERSION")
if str, ok := version.(lua.LString); ok {
return string(str)
@ -389,8 +383,8 @@ func GetInstalledPluginVersion(name string) string {
}
// DownloadAndInstall downloads and installs the given plugin and version
func (pv *PluginVersion) DownloadAndInstall(out io.Writer) error {
fmt.Fprintf(out, "Downloading %q (%s) from %q\n", pv.pack.Name, pv.Version, pv.Url)
func (pv *PluginVersion) DownloadAndInstall() error {
messenger.AddLog(fmt.Sprintf("Downloading %q (%s) from %q", pv.pack.Name, pv.Version, pv.Url))
resp, err := http.Get(pv.Url)
if err != nil {
return err
@ -405,7 +399,7 @@ func (pv *PluginVersion) DownloadAndInstall(out io.Writer) error {
if err != nil {
return err
}
targetDir := filepath.Join(ConfigDir, "plug", pv.pack.Name)
targetDir := filepath.Join(configDir, "plugins", pv.pack.Name)
dirPerm := os.FileMode(0755)
if err = os.MkdirAll(targetDir, dirPerm); err != nil {
return err
@ -429,7 +423,6 @@ func (pv *PluginVersion) DownloadAndInstall(out io.Writer) error {
}
}
// Install files and directory's
for _, f := range z.File {
parts := strings.Split(f.Name, "/")
if allPrefixed {
@ -442,7 +435,7 @@ func (pv *PluginVersion) DownloadAndInstall(out io.Writer) error {
return err
}
} else {
basepath := filepath.Dir(targetName)
basepath := path.Dir(targetName)
if err := os.MkdirAll(basepath, dirPerm); err != nil {
return err
@ -479,7 +472,9 @@ func (pl PluginPackages) GetAllVersions(name string) PluginVersions {
result := make(PluginVersions, 0)
p := pl.Get(name)
if p != nil {
result = append(result, p.Versions...)
for _, v := range p.Versions {
result = append(result, v)
}
}
return result
}
@ -537,7 +532,7 @@ func (all PluginPackages) Resolve(selectedVersions PluginVersions, open PluginDe
return selectedVersions, nil
}
func (pv PluginVersions) install(out io.Writer) {
func (pv PluginVersions) install() {
anyInstalled := false
currentlyInstalled := GetInstalledVersions(true)
@ -546,16 +541,16 @@ func (pv PluginVersions) install(out io.Writer) {
shouldInstall := true
if pv := currentlyInstalled.find(sel.pack.Name); pv != nil {
if pv.Version.NE(sel.Version) {
fmt.Fprintln(out, "Uninstalling", sel.pack.Name)
UninstallPlugin(out, sel.pack.Name)
messenger.AddLog(fmt.Sprint("Uninstalling %q", sel.pack.Name))
UninstallPlugin(sel.pack.Name)
} else {
shouldInstall = false
}
}
if shouldInstall {
if err := sel.DownloadAndInstall(out); err != nil {
fmt.Fprintln(out, err)
if err := sel.DownloadAndInstall(); err != nil {
messenger.Error(err)
return
}
anyInstalled = true
@ -563,58 +558,47 @@ func (pv PluginVersions) install(out io.Writer) {
}
}
if anyInstalled {
fmt.Fprintln(out, "One or more plugins installed.")
messenger.Message("One or more plugins installed. Please restart micro.")
} else {
fmt.Fprintln(out, "Nothing to install / update")
messenger.AddLog("Nothing to install / update")
}
}
// UninstallPlugin deletes the plugin folder of the given plugin
func UninstallPlugin(out io.Writer, name string) {
for _, p := range Plugins {
if !p.IsLoaded() {
continue
}
if p.Name == name {
p.Loaded = false
if err := os.RemoveAll(filepath.Join(ConfigDir, "plug", p.DirName)); err != nil {
fmt.Fprintln(out, err)
return
}
break
}
func UninstallPlugin(name string) {
if err := os.RemoveAll(filepath.Join(configDir, "plugins", name)); err != nil {
messenger.Error(err)
return
}
delete(loadedPlugins, name)
}
// Install installs the plugin
func (pl PluginPackage) Install(out io.Writer) {
selected, err := GetAllPluginPackages(out).Resolve(GetInstalledVersions(true), PluginDependencies{
func (pl PluginPackage) Install() {
selected, err := GetAllPluginPackages().Resolve(GetInstalledVersions(true), PluginDependencies{
&PluginDependency{
Name: pl.Name,
Range: semver.Range(func(v semver.Version) bool { return true }),
}})
if err != nil {
fmt.Fprintln(out, err)
TermMessage(err)
return
}
selected.install(out)
selected.install()
}
// UpdatePlugins updates the given plugins
func UpdatePlugins(out io.Writer, plugins []string) {
func UpdatePlugins(plugins []string) {
// if no plugins are specified, update all installed plugins.
if len(plugins) == 0 {
for _, p := range Plugins {
if !p.IsLoaded() || p.Default {
continue
}
plugins = append(plugins, p.Name)
for name := range loadedPlugins {
plugins = append(plugins, name)
}
}
fmt.Fprintln(out, "Checking for plugin updates")
messenger.AddLog("Checking for plugin updates")
microVersion := PluginVersions{
newStaticPluginVersion(CorePluginName, util.Version),
newStaticPluginVersion(CorePluginName, Version),
}
var updates = make(PluginDependencies, 0)
@ -629,82 +613,10 @@ func UpdatePlugins(out io.Writer, plugins []string) {
}
}
selected, err := GetAllPluginPackages(out).Resolve(microVersion, updates)
selected, err := GetAllPluginPackages().Resolve(microVersion, updates)
if err != nil {
fmt.Fprintln(out, err)
TermMessage(err)
return
}
selected.install(out)
}
func PluginCommand(out io.Writer, cmd string, args []string) {
switch cmd {
case "install":
installedVersions := GetInstalledVersions(false)
for _, plugin := range args {
pp := GetAllPluginPackages(out).Get(plugin)
if pp == nil {
fmt.Fprintln(out, "Unknown plugin \""+plugin+"\"")
} else if err := pp.IsInstallable(out); err != nil {
fmt.Fprintln(out, "Error installing ", plugin, ": ", err)
} else {
for _, installed := range installedVersions {
if pp.Name == installed.Pack().Name {
if pp.Versions[0].Version.Compare(installed.Version) == 1 {
fmt.Fprintln(out, pp.Name, " is already installed but out-of-date: use 'plugin update ", pp.Name, "' to update")
} else {
fmt.Fprintln(out, pp.Name, " is already installed")
}
}
}
pp.Install(out)
}
}
case "remove":
removed := ""
for _, plugin := range args {
// check if the plugin exists.
for _, p := range Plugins {
if p.Name == plugin && p.Default {
fmt.Fprintln(out, "Default plugins cannot be removed, but can be disabled via settings.")
continue
}
if p.Name == plugin {
UninstallPlugin(out, plugin)
removed += plugin + " "
continue
}
}
}
if removed != "" {
fmt.Fprintln(out, "Removed ", removed)
} else {
fmt.Fprintln(out, "No plugins removed")
}
case "update":
UpdatePlugins(out, args)
case "list":
plugins := GetInstalledVersions(false)
fmt.Fprintln(out, "The following plugins are currently installed:")
for _, p := range plugins {
fmt.Fprintf(out, "%s (%s)\n", p.Pack().Name, p.Version)
}
case "search":
plugins := SearchPlugin(out, args)
fmt.Fprintln(out, len(plugins), " plugins found")
for _, p := range plugins {
fmt.Fprintln(out, "----------------")
fmt.Fprintln(out, p.String())
}
fmt.Fprintln(out, "----------------")
case "available":
packages := GetAllPluginPackages(out)
fmt.Fprintln(out, "Available Plugins:")
for _, pkg := range packages {
fmt.Fprintln(out, pkg.Name)
}
default:
fmt.Fprintln(out, "Invalid plugin command")
}
selected.install()
}

View file

@ -1,11 +1,11 @@
package config
package main
import (
"testing"
"github.com/blang/semver"
"github.com/zyedidia/json5"
"github.com/flynn/json5"
)
func TestDependencyResolving(t *testing.T) {
@ -36,7 +36,7 @@ func TestDependencyResolving(t *testing.T) {
if v == nil {
t.Errorf("Failed to resolve %s", name)
} else if expected.NE(v.Version) {
t.Errorf("%s resolved in wrong version %v", name, v)
t.Errorf("%s resolved in wrong version got %s", name, v)
}
}

207
cmd/micro/rtfiles.go Normal file
View file

@ -0,0 +1,207 @@
package main
import (
"io/ioutil"
"os"
"path"
"path/filepath"
)
const (
RTColorscheme = "colorscheme"
RTSyntax = "syntax"
RTHelp = "help"
RTPlugin = "plugin"
)
// RuntimeFile allows the program to read runtime data like colorschemes or syntax files
type RuntimeFile interface {
// Name returns a name of the file without paths or extensions
Name() string
// Data returns the content of the file.
Data() ([]byte, error)
}
// allFiles contains all available files, mapped by filetype
var allFiles map[string][]RuntimeFile
// some file on filesystem
type realFile string
// some asset file
type assetFile string
// some file on filesystem but with a different name
type namedFile struct {
realFile
name string
}
// a file with the data stored in memory
type memoryFile struct {
name string
data []byte
}
func (mf memoryFile) Name() string {
return mf.name
}
func (mf memoryFile) Data() ([]byte, error) {
return mf.data, nil
}
func (rf realFile) Name() string {
fn := filepath.Base(string(rf))
return fn[:len(fn)-len(filepath.Ext(fn))]
}
func (rf realFile) Data() ([]byte, error) {
return ioutil.ReadFile(string(rf))
}
func (af assetFile) Name() string {
fn := path.Base(string(af))
return fn[:len(fn)-len(path.Ext(fn))]
}
func (af assetFile) Data() ([]byte, error) {
return Asset(string(af))
}
func (nf namedFile) Name() string {
return nf.name
}
// AddRuntimeFile registers a file for the given filetype
func AddRuntimeFile(fileType string, file RuntimeFile) {
if allFiles == nil {
allFiles = make(map[string][]RuntimeFile)
}
allFiles[fileType] = append(allFiles[fileType], file)
}
// AddRuntimeFilesFromDirectory registers each file from the given directory for
// the filetype which matches the file-pattern
func AddRuntimeFilesFromDirectory(fileType, directory, pattern string) {
files, _ := ioutil.ReadDir(directory)
for _, f := range files {
if ok, _ := filepath.Match(pattern, f.Name()); !f.IsDir() && ok {
fullPath := filepath.Join(directory, f.Name())
AddRuntimeFile(fileType, realFile(fullPath))
}
}
}
// AddRuntimeFilesFromAssets registers each file from the given asset-directory for
// the filetype which matches the file-pattern
func AddRuntimeFilesFromAssets(fileType, directory, pattern string) {
files, err := AssetDir(directory)
if err != nil {
return
}
for _, f := range files {
if ok, _ := path.Match(pattern, f); ok {
AddRuntimeFile(fileType, assetFile(path.Join(directory, f)))
}
}
}
// FindRuntimeFile finds a runtime file of the given filetype and name
// will return nil if no file was found
func FindRuntimeFile(fileType, name string) RuntimeFile {
for _, f := range ListRuntimeFiles(fileType) {
if f.Name() == name {
return f
}
}
return nil
}
// ListRuntimeFiles lists all known runtime files for the given filetype
func ListRuntimeFiles(fileType string) []RuntimeFile {
if files, ok := allFiles[fileType]; ok {
return files
}
return []RuntimeFile{}
}
// InitRuntimeFiles initializes all assets file and the config directory
func InitRuntimeFiles() {
add := func(fileType, dir, pattern string) {
AddRuntimeFilesFromDirectory(fileType, filepath.Join(configDir, dir), pattern)
AddRuntimeFilesFromAssets(fileType, path.Join("runtime", dir), pattern)
}
add(RTColorscheme, "colorschemes", "*.micro")
add(RTSyntax, "syntax", "*.yaml")
add(RTHelp, "help", "*.md")
// Search configDir for plugin-scripts
files, _ := ioutil.ReadDir(filepath.Join(configDir, "plugins"))
for _, f := range files {
realpath, _ := filepath.EvalSymlinks(filepath.Join(configDir, "plugins", f.Name()))
realpathStat, _ := os.Stat(realpath)
if realpathStat.IsDir() {
scriptPath := filepath.Join(configDir, "plugins", f.Name(), f.Name()+".lua")
if _, err := os.Stat(scriptPath); err == nil {
AddRuntimeFile(RTPlugin, realFile(scriptPath))
}
}
}
if files, err := AssetDir("runtime/plugins"); err == nil {
for _, f := range files {
scriptPath := path.Join("runtime/plugins", f, f+".lua")
if _, err := AssetInfo(scriptPath); err == nil {
AddRuntimeFile(RTPlugin, assetFile(scriptPath))
}
}
}
}
// PluginReadRuntimeFile allows plugin scripts to read the content of a runtime file
func PluginReadRuntimeFile(fileType, name string) string {
if file := FindRuntimeFile(fileType, name); file != nil {
if data, err := file.Data(); err == nil {
return string(data)
}
}
return ""
}
// PluginListRuntimeFiles allows plugins to lists all runtime files of the given type
func PluginListRuntimeFiles(fileType string) []string {
files := ListRuntimeFiles(fileType)
result := make([]string, len(files))
for i, f := range files {
result[i] = f.Name()
}
return result
}
// PluginAddRuntimeFile adds a file to the runtime files for a plugin
func PluginAddRuntimeFile(plugin, filetype, filePath string) {
fullpath := filepath.Join(configDir, "plugins", plugin, filePath)
if _, err := os.Stat(fullpath); err == nil {
AddRuntimeFile(filetype, realFile(fullpath))
} else {
fullpath = path.Join("runtime", "plugins", plugin, filePath)
AddRuntimeFile(filetype, assetFile(fullpath))
}
}
// PluginAddRuntimeFilesFromDirectory adds files from a directory to the runtime files for a plugin
func PluginAddRuntimeFilesFromDirectory(plugin, filetype, directory, pattern string) {
fullpath := filepath.Join(configDir, "plugins", plugin, directory)
if _, err := os.Stat(fullpath); err == nil {
AddRuntimeFilesFromDirectory(filetype, fullpath, pattern)
} else {
fullpath = path.Join("runtime", "plugins", plugin, directory)
AddRuntimeFilesFromAssets(filetype, fullpath, pattern)
}
}
// PluginAddRuntimeFileFromMemory adds a file to the runtime files for a plugin from a given string
func PluginAddRuntimeFileFromMemory(plugin, filetype, filename, data string) {
AddRuntimeFile(filetype, memoryFile{filename, []byte(data)})
}

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cmd/micro/runtime.go Normal file

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cmd/micro/search.go Normal file
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package main
import (
"regexp"
"strings"
"github.com/zyedidia/tcell"
)
var (
// What was the last search
lastSearch string
// Where should we start the search down from (or up from)
searchStart Loc
// Is there currently a search in progress
searching bool
// Stores the history for searching
searchHistory []string
)
// BeginSearch starts a search
func BeginSearch(searchStr string) {
searchHistory = append(searchHistory, "")
messenger.historyNum = len(searchHistory) - 1
searching = true
messenger.response = searchStr
messenger.cursorx = Count(searchStr)
messenger.Message("Find: ")
messenger.hasPrompt = true
}
// EndSearch stops the current search
func EndSearch() {
searchHistory[len(searchHistory)-1] = messenger.response
searching = false
messenger.hasPrompt = false
messenger.Clear()
messenger.Reset()
if lastSearch != "" {
messenger.Message("^P Previous ^N Next")
}
}
// ExitSearch exits the search mode, reset active search phrase, and clear status bar
func ExitSearch(v *View) {
lastSearch = ""
searching = false
messenger.hasPrompt = false
messenger.Clear()
messenger.Reset()
v.Cursor.ResetSelection()
}
// HandleSearchEvent takes an event and a view and will do a real time match from the messenger's output
// to the current buffer. It searches down the buffer.
func HandleSearchEvent(event tcell.Event, v *View) {
switch e := event.(type) {
case *tcell.EventKey:
switch e.Key() {
case tcell.KeyEscape:
// Exit the search mode
ExitSearch(v)
return
case tcell.KeyCtrlQ, tcell.KeyCtrlC, tcell.KeyEnter:
// Done
EndSearch()
return
}
}
messenger.HandleEvent(event, searchHistory)
if messenger.cursorx < 0 {
// Done
EndSearch()
return
}
if messenger.response == "" {
v.Cursor.ResetSelection()
// We don't end the search though
return
}
Search(messenger.response, v, true)
v.Relocate()
return
}
func searchDown(r *regexp.Regexp, v *View, start, end Loc) bool {
for i := start.Y; i <= end.Y; i++ {
var l []byte
var charPos int
if i == start.Y {
runes := []rune(string(v.Buf.lines[i].data))
l = []byte(string(runes[start.X:]))
charPos = start.X
if strings.Contains(r.String(), "^") && start.X != 0 {
continue
}
} else {
l = v.Buf.lines[i].data
}
match := r.FindIndex(l)
if match != nil {
v.Cursor.SetSelectionStart(Loc{charPos + runePos(match[0], string(l)), i})
v.Cursor.SetSelectionEnd(Loc{charPos + runePos(match[1], string(l)), i})
v.Cursor.OrigSelection[0] = v.Cursor.CurSelection[0]
v.Cursor.OrigSelection[1] = v.Cursor.CurSelection[1]
v.Cursor.Loc = v.Cursor.CurSelection[1]
return true
}
}
return false
}
func searchUp(r *regexp.Regexp, v *View, start, end Loc) bool {
for i := start.Y; i >= end.Y; i-- {
var l []byte
if i == start.Y {
runes := []rune(string(v.Buf.lines[i].data))
l = []byte(string(runes[:start.X]))
if strings.Contains(r.String(), "$") && start.X != Count(string(l)) {
continue
}
} else {
l = v.Buf.lines[i].data
}
match := r.FindIndex(l)
if match != nil {
v.Cursor.SetSelectionStart(Loc{runePos(match[0], string(l)), i})
v.Cursor.SetSelectionEnd(Loc{runePos(match[1], string(l)), i})
v.Cursor.OrigSelection[0] = v.Cursor.CurSelection[0]
v.Cursor.OrigSelection[1] = v.Cursor.CurSelection[1]
v.Cursor.Loc = v.Cursor.CurSelection[1]
return true
}
}
return false
}
// Search searches in the view for the given regex. The down bool
// specifies whether it should search down from the searchStart position
// or up from there
func Search(searchStr string, v *View, down bool) {
if searchStr == "" {
return
}
r, err := regexp.Compile(searchStr)
if v.Buf.Settings["ignorecase"].(bool) {
r, err = regexp.Compile("(?i)" + searchStr)
}
if err != nil {
return
}
var found bool
if down {
found = searchDown(r, v, searchStart, v.Buf.End())
if !found {
found = searchDown(r, v, v.Buf.Start(), searchStart)
}
} else {
found = searchUp(r, v, searchStart, v.Buf.Start())
if !found {
found = searchUp(r, v, v.Buf.End(), searchStart)
}
}
if found {
lastSearch = searchStr
} else {
v.Cursor.ResetSelection()
}
}

478
cmd/micro/settings.go Normal file
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package main
import (
"encoding/json"
"errors"
"io/ioutil"
"os"
"reflect"
"strconv"
"strings"
"github.com/flynn/json5"
"github.com/zyedidia/glob"
)
type optionValidator func(string, interface{}) error
// The options that the user can set
var globalSettings map[string]interface{}
var invalidSettings bool
// Options with validators
var optionValidators = map[string]optionValidator{
"tabsize": validatePositiveValue,
"scrollmargin": validateNonNegativeValue,
"scrollspeed": validateNonNegativeValue,
"colorscheme": validateColorscheme,
"colorcolumn": validateNonNegativeValue,
"fileformat": validateLineEnding,
}
// InitGlobalSettings initializes the options map and sets all options to their default values
func InitGlobalSettings() {
invalidSettings = false
defaults := DefaultGlobalSettings()
var parsed map[string]interface{}
filename := configDir + "/settings.json"
writeSettings := false
if _, e := os.Stat(filename); e == nil {
input, err := ioutil.ReadFile(filename)
if !strings.HasPrefix(string(input), "null") {
if err != nil {
TermMessage("Error reading settings.json file: " + err.Error())
invalidSettings = true
return
}
err = json5.Unmarshal(input, &parsed)
if err != nil {
TermMessage("Error reading settings.json:", err.Error())
invalidSettings = true
}
} else {
writeSettings = true
}
}
globalSettings = make(map[string]interface{})
for k, v := range defaults {
globalSettings[k] = v
}
for k, v := range parsed {
if !strings.HasPrefix(reflect.TypeOf(v).String(), "map") {
globalSettings[k] = v
}
}
if _, err := os.Stat(filename); os.IsNotExist(err) || writeSettings {
err := WriteSettings(filename)
if err != nil {
TermMessage("Error writing settings.json file: " + err.Error())
}
}
}
// InitLocalSettings scans the json in settings.json and sets the options locally based
// on whether the buffer matches the glob
func InitLocalSettings(buf *Buffer) {
invalidSettings = false
var parsed map[string]interface{}
filename := configDir + "/settings.json"
if _, e := os.Stat(filename); e == nil {
input, err := ioutil.ReadFile(filename)
if err != nil {
TermMessage("Error reading settings.json file: " + err.Error())
invalidSettings = true
return
}
err = json5.Unmarshal(input, &parsed)
if err != nil {
TermMessage("Error reading settings.json:", err.Error())
invalidSettings = true
}
}
for k, v := range parsed {
if strings.HasPrefix(reflect.TypeOf(v).String(), "map") {
g, err := glob.Compile(k)
if err != nil {
TermMessage("Error with glob setting ", k, ": ", err)
continue
}
if g.MatchString(buf.Path) {
for k1, v1 := range v.(map[string]interface{}) {
buf.Settings[k1] = v1
}
}
}
}
}
// WriteSettings writes the settings to the specified filename as JSON
func WriteSettings(filename string) error {
if invalidSettings {
// Do not write the settings if there was an error when reading them
return nil
}
var err error
if _, e := os.Stat(configDir); e == nil {
parsed := make(map[string]interface{})
filename := configDir + "/settings.json"
for k, v := range globalSettings {
parsed[k] = v
}
if _, e := os.Stat(filename); e == nil {
input, err := ioutil.ReadFile(filename)
if string(input) != "null" {
if err != nil {
return err
}
err = json5.Unmarshal(input, &parsed)
if err != nil {
TermMessage("Error reading settings.json:", err.Error())
invalidSettings = true
}
for k, v := range parsed {
if !strings.HasPrefix(reflect.TypeOf(v).String(), "map") {
if _, ok := globalSettings[k]; ok {
parsed[k] = globalSettings[k]
}
}
}
}
}
txt, _ := json.MarshalIndent(parsed, "", " ")
err = ioutil.WriteFile(filename, append(txt, '\n'), 0644)
}
return err
}
// AddOption creates a new option. This is meant to be called by plugins to add options.
func AddOption(name string, value interface{}) {
globalSettings[name] = value
err := WriteSettings(configDir + "/settings.json")
if err != nil {
TermMessage("Error writing settings.json file: " + err.Error())
}
}
// GetGlobalOption returns the global value of the given option
func GetGlobalOption(name string) interface{} {
return globalSettings[name]
}
// GetLocalOption returns the local value of the given option
func GetLocalOption(name string, buf *Buffer) interface{} {
return buf.Settings[name]
}
// GetOption returns the value of the given option
// If there is a local version of the option, it returns that
// otherwise it will return the global version
func GetOption(name string) interface{} {
if GetLocalOption(name, CurView().Buf) != nil {
return GetLocalOption(name, CurView().Buf)
}
return GetGlobalOption(name)
}
// DefaultGlobalSettings returns the default global settings for micro
// Note that colorscheme is a global only option
func DefaultGlobalSettings() map[string]interface{} {
return map[string]interface{}{
"autoindent": true,
"keepautoindent": false,
"autosave": false,
"colorcolumn": float64(0),
"colorscheme": "default",
"cursorline": true,
"eofnewline": false,
"rmtrailingws": false,
"ignorecase": false,
"indentchar": " ",
"infobar": true,
"ruler": true,
"savecursor": false,
"saveundo": false,
"scrollspeed": float64(2),
"scrollmargin": float64(3),
"softwrap": false,
"splitRight": true,
"splitBottom": true,
"statusline": true,
"syntax": true,
"tabmovement": false,
"tabsize": float64(4),
"tabstospaces": false,
"termtitle": false,
"pluginchannels": []string{
"https://raw.githubusercontent.com/micro-editor/plugin-channel/master/channel.json",
},
"pluginrepos": []string{},
"useprimary": true,
"fileformat": "unix",
"mouse": true,
}
}
// DefaultLocalSettings returns the default local settings
// Note that filetype is a local only option
func DefaultLocalSettings() map[string]interface{} {
return map[string]interface{}{
"autoindent": true,
"keepautoindent": false,
"autosave": false,
"colorcolumn": float64(0),
"cursorline": true,
"eofnewline": false,
"rmtrailingws": false,
"filetype": "Unknown",
"ignorecase": false,
"indentchar": " ",
"ruler": true,
"savecursor": false,
"saveundo": false,
"scrollspeed": float64(2),
"scrollmargin": float64(3),
"softwrap": false,
"splitRight": true,
"splitBottom": true,
"statusline": true,
"syntax": true,
"tabmovement": false,
"tabsize": float64(4),
"tabstospaces": false,
"useprimary": true,
"fileformat": "unix",
"mouse": true,
}
}
// SetOption attempts to set the given option to the value
// By default it will set the option as global, but if the option
// is local only it will set the local version
// Use setlocal to force an option to be set locally
func SetOption(option, value string) error {
if _, ok := globalSettings[option]; !ok {
if _, ok := CurView().Buf.Settings[option]; !ok {
return errors.New("Invalid option")
}
SetLocalOption(option, value, CurView())
return nil
}
var nativeValue interface{}
kind := reflect.TypeOf(globalSettings[option]).Kind()
if kind == reflect.Bool {
b, err := ParseBool(value)
if err != nil {
return errors.New("Invalid value")
}
nativeValue = b
} else if kind == reflect.String {
nativeValue = value
} else if kind == reflect.Float64 {
i, err := strconv.Atoi(value)
if err != nil {
return errors.New("Invalid value")
}
nativeValue = float64(i)
} else {
return errors.New("Option has unsupported value type")
}
if err := optionIsValid(option, nativeValue); err != nil {
return err
}
globalSettings[option] = nativeValue
if option == "colorscheme" {
// LoadSyntaxFiles()
InitColorscheme()
for _, tab := range tabs {
for _, view := range tab.views {
view.Buf.UpdateRules()
}
}
}
if option == "infobar" {
for _, tab := range tabs {
tab.Resize()
}
}
if _, ok := CurView().Buf.Settings[option]; ok {
for _, tab := range tabs {
for _, view := range tab.views {
SetLocalOption(option, value, view)
}
}
}
return nil
}
// SetLocalOption sets the local version of this option
func SetLocalOption(option, value string, view *View) error {
buf := view.Buf
if _, ok := buf.Settings[option]; !ok {
return errors.New("Invalid option")
}
var nativeValue interface{}
kind := reflect.TypeOf(buf.Settings[option]).Kind()
if kind == reflect.Bool {
b, err := ParseBool(value)
if err != nil {
return errors.New("Invalid value")
}
nativeValue = b
} else if kind == reflect.String {
nativeValue = value
} else if kind == reflect.Float64 {
i, err := strconv.Atoi(value)
if err != nil {
return errors.New("Invalid value")
}
nativeValue = float64(i)
} else {
return errors.New("Option has unsupported value type")
}
if err := optionIsValid(option, nativeValue); err != nil {
return err
}
buf.Settings[option] = nativeValue
if option == "statusline" {
view.ToggleStatusLine()
}
if option == "filetype" {
// LoadSyntaxFiles()
InitColorscheme()
buf.UpdateRules()
}
if option == "fileformat" {
buf.IsModified = true
}
if option == "syntax" {
if !nativeValue.(bool) {
buf.ClearMatches()
} else {
buf.highlighter.HighlightStates(buf)
}
}
if option == "mouse" {
if !nativeValue.(bool) {
screen.DisableMouse()
} else {
screen.EnableMouse()
}
}
return nil
}
// SetOptionAndSettings sets the given option and saves the option setting to the settings config file
func SetOptionAndSettings(option, value string) {
filename := configDir + "/settings.json"
err := SetOption(option, value)
if err != nil {
messenger.Error(err.Error())
return
}
err = WriteSettings(filename)
if err != nil {
messenger.Error("Error writing to settings.json: " + err.Error())
return
}
}
func optionIsValid(option string, value interface{}) error {
if validator, ok := optionValidators[option]; ok {
return validator(option, value)
}
return nil
}
// Option validators
func validatePositiveValue(option string, value interface{}) error {
tabsize, ok := value.(float64)
if !ok {
return errors.New("Expected numeric type for " + option)
}
if tabsize < 1 {
return errors.New(option + " must be greater than 0")
}
return nil
}
func validateNonNegativeValue(option string, value interface{}) error {
nativeValue, ok := value.(float64)
if !ok {
return errors.New("Expected numeric type for " + option)
}
if nativeValue < 0 {
return errors.New(option + " must be non-negative")
}
return nil
}
func validateColorscheme(option string, value interface{}) error {
colorscheme, ok := value.(string)
if !ok {
return errors.New("Expected string type for colorscheme")
}
if !ColorschemeExists(colorscheme) {
return errors.New(colorscheme + " is not a valid colorscheme")
}
return nil
}
func validateLineEnding(option string, value interface{}) error {
endingType, ok := value.(string)
if !ok {
return errors.New("Expected string type for file format")
}
if endingType != "unix" && endingType != "dos" {
return errors.New("File format must be either 'unix' or 'dos'")
}
return nil
}

317
cmd/micro/split_tree.go Normal file
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package main
// SplitType specifies whether a split is horizontal or vertical
type SplitType bool
const (
// VerticalSplit type
VerticalSplit = false
// HorizontalSplit type
HorizontalSplit = true
)
// A Node on the split tree
type Node interface {
VSplit(buf *Buffer, splitIndex int)
HSplit(buf *Buffer, splitIndex int)
String() string
}
// A LeafNode is an actual split so it contains a view
type LeafNode struct {
view *View
parent *SplitTree
}
// NewLeafNode returns a new leaf node containing the given view
func NewLeafNode(v *View, parent *SplitTree) *LeafNode {
n := new(LeafNode)
n.view = v
n.view.splitNode = n
n.parent = parent
return n
}
// A SplitTree is a Node itself and it contains other nodes
type SplitTree struct {
kind SplitType
parent *SplitTree
children []Node
x int
y int
width int
height int
lockWidth bool
lockHeight bool
tabNum int
}
// VSplit creates a vertical split
func (l *LeafNode) VSplit(buf *Buffer, splitIndex int) {
if splitIndex < 0 {
splitIndex = 0
}
tab := tabs[l.parent.tabNum]
if l.parent.kind == VerticalSplit {
if splitIndex > len(l.parent.children) {
splitIndex = len(l.parent.children)
}
newView := NewView(buf)
newView.TabNum = l.parent.tabNum
l.parent.children = append(l.parent.children, nil)
copy(l.parent.children[splitIndex+1:], l.parent.children[splitIndex:])
l.parent.children[splitIndex] = NewLeafNode(newView, l.parent)
tab.views = append(tab.views, nil)
copy(tab.views[splitIndex+1:], tab.views[splitIndex:])
tab.views[splitIndex] = newView
tab.CurView = splitIndex
} else {
if splitIndex > 1 {
splitIndex = 1
}
s := new(SplitTree)
s.kind = VerticalSplit
s.parent = l.parent
s.tabNum = l.parent.tabNum
newView := NewView(buf)
newView.TabNum = l.parent.tabNum
if splitIndex == 1 {
s.children = []Node{l, NewLeafNode(newView, s)}
} else {
s.children = []Node{NewLeafNode(newView, s), l}
}
l.parent.children[search(l.parent.children, l)] = s
l.parent = s
tab.views = append(tab.views, nil)
copy(tab.views[splitIndex+1:], tab.views[splitIndex:])
tab.views[splitIndex] = newView
tab.CurView = splitIndex
}
tab.Resize()
}
// HSplit creates a horizontal split
func (l *LeafNode) HSplit(buf *Buffer, splitIndex int) {
if splitIndex < 0 {
splitIndex = 0
}
tab := tabs[l.parent.tabNum]
if l.parent.kind == HorizontalSplit {
if splitIndex > len(l.parent.children) {
splitIndex = len(l.parent.children)
}
newView := NewView(buf)
newView.TabNum = l.parent.tabNum
l.parent.children = append(l.parent.children, nil)
copy(l.parent.children[splitIndex+1:], l.parent.children[splitIndex:])
l.parent.children[splitIndex] = NewLeafNode(newView, l.parent)
tab.views = append(tab.views, nil)
copy(tab.views[splitIndex+1:], tab.views[splitIndex:])
tab.views[splitIndex] = newView
tab.CurView = splitIndex
} else {
if splitIndex > 1 {
splitIndex = 1
}
s := new(SplitTree)
s.kind = HorizontalSplit
s.tabNum = l.parent.tabNum
s.parent = l.parent
newView := NewView(buf)
newView.TabNum = l.parent.tabNum
newView.Num = len(tab.views)
if splitIndex == 1 {
s.children = []Node{l, NewLeafNode(newView, s)}
} else {
s.children = []Node{NewLeafNode(newView, s), l}
}
l.parent.children[search(l.parent.children, l)] = s
l.parent = s
tab.views = append(tab.views, nil)
copy(tab.views[splitIndex+1:], tab.views[splitIndex:])
tab.views[splitIndex] = newView
tab.CurView = splitIndex
}
tab.Resize()
}
// Delete deletes a split
func (l *LeafNode) Delete() {
i := search(l.parent.children, l)
copy(l.parent.children[i:], l.parent.children[i+1:])
l.parent.children[len(l.parent.children)-1] = nil
l.parent.children = l.parent.children[:len(l.parent.children)-1]
tab := tabs[l.parent.tabNum]
j := findView(tab.views, l.view)
copy(tab.views[j:], tab.views[j+1:])
tab.views[len(tab.views)-1] = nil // or the zero value of T
tab.views = tab.views[:len(tab.views)-1]
for i, v := range tab.views {
v.Num = i
}
if tab.CurView > 0 {
tab.CurView--
}
}
// Cleanup rearranges all the parents after a split has been deleted
func (s *SplitTree) Cleanup() {
for i, node := range s.children {
if n, ok := node.(*SplitTree); ok {
if len(n.children) == 1 {
if child, ok := n.children[0].(*LeafNode); ok {
s.children[i] = child
child.parent = s
continue
}
}
n.Cleanup()
}
}
}
// ResizeSplits resizes all the splits correctly
func (s *SplitTree) ResizeSplits() {
lockedWidth := 0
lockedHeight := 0
lockedChildren := 0
for _, node := range s.children {
if n, ok := node.(*LeafNode); ok {
if s.kind == VerticalSplit {
if n.view.LockWidth {
lockedWidth += n.view.Width
lockedChildren++
}
} else {
if n.view.LockHeight {
lockedHeight += n.view.Height
lockedChildren++
}
}
} else if n, ok := node.(*SplitTree); ok {
if s.kind == VerticalSplit {
if n.lockWidth {
lockedWidth += n.width
lockedChildren++
}
} else {
if n.lockHeight {
lockedHeight += n.height
lockedChildren++
}
}
}
}
x, y := 0, 0
for _, node := range s.children {
if n, ok := node.(*LeafNode); ok {
if s.kind == VerticalSplit {
if !n.view.LockWidth {
n.view.Width = (s.width - lockedWidth) / (len(s.children) - lockedChildren)
}
n.view.Height = s.height
n.view.x = s.x + x
n.view.y = s.y
x += n.view.Width
} else {
if !n.view.LockHeight {
n.view.Height = (s.height - lockedHeight) / (len(s.children) - lockedChildren)
}
n.view.Width = s.width
n.view.y = s.y + y
n.view.x = s.x
y += n.view.Height
}
if n.view.Buf.Settings["statusline"].(bool) {
n.view.Height--
}
n.view.ToggleTabbar()
} else if n, ok := node.(*SplitTree); ok {
if s.kind == VerticalSplit {
if !n.lockWidth {
n.width = (s.width - lockedWidth) / (len(s.children) - lockedChildren)
}
n.height = s.height
n.x = s.x + x
n.y = s.y
x += n.width
} else {
if !n.lockHeight {
n.height = (s.height - lockedHeight) / (len(s.children) - lockedChildren)
}
n.width = s.width
n.y = s.y + y
n.x = s.x
y += n.height
}
n.ResizeSplits()
}
}
}
func (l *LeafNode) String() string {
return l.view.Buf.GetName()
}
func search(haystack []Node, needle Node) int {
for i, x := range haystack {
if x == needle {
return i
}
}
return 0
}
func findView(haystack []*View, needle *View) int {
for i, x := range haystack {
if x == needle {
return i
}
}
return 0
}
// VSplit is here just to make SplitTree fit the Node interface
func (s *SplitTree) VSplit(buf *Buffer, splitIndex int) {}
// HSplit is here just to make SplitTree fit the Node interface
func (s *SplitTree) HSplit(buf *Buffer, splitIndex int) {}
func (s *SplitTree) String() string {
str := "["
for _, child := range s.children {
str += child.String() + ", "
}
return str + "]"
}

View file

@ -1,7 +1,7 @@
package buffer
package main
// TEStack is a simple implementation of a LIFO stack for text events
type TEStack struct {
// Stack is a simple implementation of a LIFO stack for text events
type Stack struct {
Top *Element
Size int
}
@ -13,19 +13,19 @@ type Element struct {
}
// Len returns the stack's length
func (s *TEStack) Len() int {
func (s *Stack) Len() int {
return s.Size
}
// Push a new element onto the stack
func (s *TEStack) Push(value *TextEvent) {
func (s *Stack) Push(value *TextEvent) {
s.Top = &Element{value, s.Top}
s.Size++
}
// Pop removes the top element from the stack and returns its value
// If the stack is empty, return nil
func (s *TEStack) Pop() (value *TextEvent) {
func (s *Stack) Pop() (value *TextEvent) {
if s.Size > 0 {
value, s.Top = s.Top.Value, s.Top.Next
s.Size--
@ -35,7 +35,7 @@ func (s *TEStack) Pop() (value *TextEvent) {
}
// Peek returns the top element of the stack without removing it
func (s *TEStack) Peek() *TextEvent {
func (s *Stack) Peek() *TextEvent {
if s.Size > 0 {
return s.Top.Value
}

70
cmd/micro/statusline.go Normal file
View file

@ -0,0 +1,70 @@
package main
import (
"strconv"
)
// Statusline represents the information line at the bottom
// of each view
// It gives information such as filename, whether the file has been
// modified, filetype, cursor location
type Statusline struct {
view *View
}
// Display draws the statusline to the screen
func (sline *Statusline) Display() {
// We'll draw the line at the lowest line in the view
y := sline.view.Height + sline.view.y
file := sline.view.Buf.GetName()
// If the buffer is dirty (has been modified) write a little '+'
if sline.view.Buf.IsModified {
file += " +"
}
// Add one to cursor.x and cursor.y because (0,0) is the top left,
// but users will be used to (1,1) (first line,first column)
// We use GetVisualX() here because otherwise we get the column number in runes
// so a '\t' is only 1, when it should be tabSize
columnNum := strconv.Itoa(sline.view.Cursor.GetVisualX() + 1)
lineNum := strconv.Itoa(sline.view.Cursor.Y + 1)
file += " (" + lineNum + "," + columnNum + ")"
// Add the filetype
file += " " + sline.view.Buf.FileType()
file += " " + sline.view.Buf.Settings["fileformat"].(string)
rightText := ""
if len(helpBinding) > 0 {
rightText = helpBinding + " for help "
if sline.view.Type == vtHelp {
rightText = helpBinding + " to close help "
}
}
statusLineStyle := defStyle.Reverse(true)
if style, ok := colorscheme["statusline"]; ok {
statusLineStyle = style
}
// Maybe there is a unicode filename?
fileRunes := []rune(file)
viewX := sline.view.x
if viewX != 0 {
screen.SetContent(viewX, y, ' ', nil, statusLineStyle)
viewX++
}
for x := 0; x < sline.view.Width; x++ {
if x < len(fileRunes) {
screen.SetContent(viewX+x, y, fileRunes[x], nil, statusLineStyle)
} else if x >= sline.view.Width-len(rightText) && x < len(rightText)+sline.view.Width-len(rightText) {
screen.SetContent(viewX+x, y, []rune(rightText)[x-sline.view.Width+len(rightText)], nil, statusLineStyle)
} else {
screen.SetContent(viewX+x, y, ' ', nil, statusLineStyle)
}
}
}

265
cmd/micro/tab.go Normal file
View file

@ -0,0 +1,265 @@
package main
import (
"sort"
"github.com/zyedidia/tcell"
)
var tabBarOffset int
type Tab struct {
// This contains all the views in this tab
// There is generally only one view per tab, but you can have
// multiple views with splits
views []*View
// This is the current view for this tab
CurView int
tree *SplitTree
}
// NewTabFromView creates a new tab and puts the given view in the tab
func NewTabFromView(v *View) *Tab {
t := new(Tab)
t.views = append(t.views, v)
t.views[0].Num = 0
t.tree = new(SplitTree)
t.tree.kind = VerticalSplit
t.tree.children = []Node{NewLeafNode(t.views[0], t.tree)}
w, h := screen.Size()
t.tree.width = w
t.tree.height = h
if globalSettings["infobar"].(bool) {
t.tree.height--
}
t.Resize()
return t
}
// SetNum sets all this tab's views to have the correct tab number
func (t *Tab) SetNum(num int) {
t.tree.tabNum = num
for _, v := range t.views {
v.TabNum = num
}
}
func (t *Tab) Cleanup() {
t.tree.Cleanup()
}
func (t *Tab) Resize() {
w, h := screen.Size()
t.tree.width = w
t.tree.height = h
if globalSettings["infobar"].(bool) {
t.tree.height--
}
t.tree.ResizeSplits()
for i, v := range t.views {
v.Num = i
}
}
// CurView returns the current view
func CurView() *View {
curTab := tabs[curTab]
return curTab.views[curTab.CurView]
}
// TabbarString returns the string that should be displayed in the tabbar
// It also returns a map containing which indicies correspond to which tab number
// This is useful when we know that the mouse click has occurred at an x location
// but need to know which tab that corresponds to to accurately change the tab
func TabbarString() (string, map[int]int) {
str := ""
indicies := make(map[int]int)
for i, t := range tabs {
if i == curTab {
str += "["
} else {
str += " "
}
buf := t.views[t.CurView].Buf
str += buf.GetName()
if buf.IsModified {
str += " +"
}
if i == curTab {
str += "]"
} else {
str += " "
}
indicies[Count(str)-1] = i + 1
str += " "
}
return str, indicies
}
// TabbarHandleMouseEvent checks the given mouse event if it is clicking on the tabbar
// If it is it changes the current tab accordingly
// This function returns true if the tab is changed
func TabbarHandleMouseEvent(event tcell.Event) bool {
// There is no tabbar displayed if there are less than 2 tabs
if len(tabs) <= 1 {
return false
}
switch e := event.(type) {
case *tcell.EventMouse:
button := e.Buttons()
// Must be a left click
if button == tcell.Button1 {
x, y := e.Position()
if y != 0 {
return false
}
str, indicies := TabbarString()
if x+tabBarOffset >= len(str) {
return false
}
var tabnum int
var keys []int
for k := range indicies {
keys = append(keys, k)
}
sort.Ints(keys)
for _, k := range keys {
if x+tabBarOffset <= k {
tabnum = indicies[k] - 1
break
}
}
curTab = tabnum
return true
}
}
return false
}
// DisplayTabs displays the tabbar at the top of the editor if there are multiple tabs
func DisplayTabs() {
if len(tabs) <= 1 {
return
}
str, indicies := TabbarString()
tabBarStyle := defStyle.Reverse(true)
if style, ok := colorscheme["tabbar"]; ok {
tabBarStyle = style
}
// Maybe there is a unicode filename?
fileRunes := []rune(str)
w, _ := screen.Size()
tooWide := (w < len(fileRunes))
// if the entire tab-bar is longer than the screen is wide,
// then it should be truncated appropriately to keep the
// active tab visible on the UI.
if tooWide == true {
// first we have to work out where the selected tab is
// out of the total length of the tab bar. this is done
// by extracting the hit-areas from the indicies map
// that was constructed by `TabbarString()`
var keys []int
for offset := range indicies {
keys = append(keys, offset)
}
// sort them to be in ascending order so that values will
// correctly reflect the displayed ordering of the tabs
sort.Ints(keys)
// record the offset of each tab and the previous tab so
// we can find the position of the tab's hit-box.
previousTabOffset := 0
currentTabOffset := 0
for _, k := range keys {
tabIndex := indicies[k] - 1
if tabIndex == curTab {
currentTabOffset = k
break
}
// this is +2 because there are two padding spaces that aren't accounted
// for in the display. please note that this is for cosmetic purposes only.
previousTabOffset = k + 2
}
// get the width of the hitbox of the active tab, from there calculate the offsets
// to the left and right of it to approximately center it on the tab bar display.
centeringOffset := (w - (currentTabOffset - previousTabOffset))
leftBuffer := previousTabOffset - (centeringOffset / 2)
rightBuffer := currentTabOffset + (centeringOffset / 2)
// check to make sure we haven't overshot the bounds of the string,
// if we have, then take that remainder and put it on the left side
overshotRight := rightBuffer - len(fileRunes)
if overshotRight > 0 {
leftBuffer = leftBuffer + overshotRight
}
overshotLeft := leftBuffer - 0
if overshotLeft < 0 {
leftBuffer = 0
rightBuffer = leftBuffer + (w - 1)
} else {
rightBuffer = leftBuffer + (w - 2)
}
if rightBuffer > len(fileRunes)-1 {
rightBuffer = len(fileRunes) - 1
}
// construct a new buffer of text to put the
// newly formatted tab bar text into.
var displayText []rune
// if the left-side of the tab bar isn't at the start
// of the constructed tab bar text, then show that are
// more tabs to the left by displaying a "+"
if leftBuffer != 0 {
displayText = append(displayText, '+')
}
// copy the runes in from the original tab bar text string
// into the new display buffer
for x := leftBuffer; x < rightBuffer; x++ {
displayText = append(displayText, fileRunes[x])
}
// if there is more text to the right of the right-most
// column in the tab bar text, then indicate there are more
// tabs to the right by displaying a "+"
if rightBuffer < len(fileRunes)-1 {
displayText = append(displayText, '+')
}
// now store the offset from zero of the left-most text
// that is being displayed. This is to ensure that when
// clicking on the tab bar, the correct tab gets selected.
tabBarOffset = leftBuffer
// use the constructed buffer as the display buffer to print
// onscreen.
fileRunes = displayText
} else {
tabBarOffset = 0
}
// iterate over the width of the terminal display and for each column,
// write a character into the tab display area with the appropriate style.
for x := 0; x < w; x++ {
if x < len(fileRunes) {
screen.SetContent(x, 0, fileRunes[x], nil, tabBarStyle)
} else {
screen.SetContent(x, 0, ' ', nil, tabBarStyle)
}
}
}

365
cmd/micro/util.go Normal file
View file

@ -0,0 +1,365 @@
package main
import (
"bytes"
"os"
"path/filepath"
"reflect"
"runtime"
"strconv"
"strings"
"time"
"unicode/utf8"
"github.com/mattn/go-runewidth"
)
// Util.go is a collection of utility functions that are used throughout
// the program
// Count returns the length of a string in runes
// This is exactly equivalent to utf8.RuneCountInString(), just less characters
func Count(s string) int {
return utf8.RuneCountInString(s)
}
// NumOccurrences counts the number of occurrences of a byte in a string
func NumOccurrences(s string, c byte) int {
var n int
for i := 0; i < len(s); i++ {
if s[i] == c {
n++
}
}
return n
}
// Spaces returns a string with n spaces
func Spaces(n int) string {
return strings.Repeat(" ", n)
}
// Min takes the min of two ints
func Min(a, b int) int {
if a > b {
return b
}
return a
}
// Max takes the max of two ints
func Max(a, b int) int {
if a > b {
return a
}
return b
}
func FSize(f *os.File) int64 {
fi, _ := f.Stat()
// get the size
return fi.Size()
}
// IsWordChar returns whether or not the string is a 'word character'
// If it is a unicode character, then it does not match
// Word characters are defined as [A-Za-z0-9_]
func IsWordChar(str string) bool {
if len(str) > 1 {
// Unicode
return true
}
c := str[0]
return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c == '_')
}
// IsWhitespace returns true if the given rune is a space, tab, or newline
func IsWhitespace(c rune) bool {
return c == ' ' || c == '\t' || c == '\n'
}
// IsStrWhitespace returns true if the given string is all whitespace
func IsStrWhitespace(str string) bool {
for _, c := range str {
if !IsWhitespace(c) {
return false
}
}
return true
}
// Contains returns whether or not a string array contains a given string
func Contains(list []string, a string) bool {
for _, b := range list {
if b == a {
return true
}
}
return false
}
// Insert makes a simple insert into a string at the given position
func Insert(str string, pos int, value string) string {
return string([]rune(str)[:pos]) + value + string([]rune(str)[pos:])
}
// MakeRelative will attempt to make a relative path between path and base
func MakeRelative(path, base string) (string, error) {
if len(path) > 0 {
rel, err := filepath.Rel(base, path)
if err != nil {
return path, err
}
return rel, nil
}
return path, nil
}
// GetLeadingWhitespace returns the leading whitespace of the given string
func GetLeadingWhitespace(str string) string {
ws := ""
for _, c := range str {
if c == ' ' || c == '\t' {
ws += string(c)
} else {
break
}
}
return ws
}
// IsSpaces checks if a given string is only spaces
func IsSpaces(str string) bool {
for _, c := range str {
if c != ' ' {
return false
}
}
return true
}
// IsSpacesOrTabs checks if a given string contains only spaces and tabs
func IsSpacesOrTabs(str string) bool {
for _, c := range str {
if c != ' ' && c != '\t' {
return false
}
}
return true
}
// ParseBool is almost exactly like strconv.ParseBool, except it also accepts 'on' and 'off'
// as 'true' and 'false' respectively
func ParseBool(str string) (bool, error) {
if str == "on" {
return true, nil
}
if str == "off" {
return false, nil
}
return strconv.ParseBool(str)
}
// EscapePath replaces every path separator in a given path with a %
func EscapePath(path string) string {
path = filepath.ToSlash(path)
return strings.Replace(path, "/", "%", -1)
}
// GetModTime returns the last modification time for a given file
// It also returns a boolean if there was a problem accessing the file
func GetModTime(path string) (time.Time, bool) {
info, err := os.Stat(path)
if err != nil {
return time.Now(), false
}
return info.ModTime(), true
}
// StringWidth returns the width of a string where tabs count as `tabsize` width
func StringWidth(str string, tabsize int) int {
sw := runewidth.StringWidth(str)
lineIdx := 0
for _, ch := range str {
switch ch {
case '\t':
ts := tabsize - (lineIdx % tabsize)
sw += ts
lineIdx += ts
case '\n':
lineIdx = 0
default:
lineIdx++
}
}
return sw
}
// WidthOfLargeRunes searches all the runes in a string and counts up all the widths of runes
// that have a width larger than 1 (this also counts tabs as `tabsize` width)
func WidthOfLargeRunes(str string, tabsize int) int {
count := 0
lineIdx := 0
for _, ch := range str {
var w int
if ch == '\t' {
w = tabsize - (lineIdx % tabsize)
} else {
w = runewidth.RuneWidth(ch)
}
if w > 1 {
count += (w - 1)
}
if ch == '\n' {
lineIdx = 0
} else {
lineIdx += w
}
}
return count
}
// RunePos returns the rune index of a given byte index
// This could cause problems if the byte index is between code points
func runePos(p int, str string) int {
return utf8.RuneCountInString(str[:p])
}
func lcs(a, b string) string {
arunes := []rune(a)
brunes := []rune(b)
lcs := ""
for i, r := range arunes {
if i >= len(brunes) {
break
}
if r == brunes[i] {
lcs += string(r)
} else {
break
}
}
return lcs
}
func CommonSubstring(arr ...string) string {
commonStr := arr[0]
for _, str := range arr[1:] {
commonStr = lcs(commonStr, str)
}
return commonStr
}
// Abs is a simple absolute value function for ints
func Abs(n int) int {
if n < 0 {
return -n
}
return n
}
// FuncName returns the full name of a given function object
func FuncName(i interface{}) string {
return runtime.FuncForPC(reflect.ValueOf(i).Pointer()).Name()
}
// ShortFuncName returns the name only of a given function object
func ShortFuncName(i interface{}) string {
return strings.TrimPrefix(runtime.FuncForPC(reflect.ValueOf(i).Pointer()).Name(), "main.(*View).")
}
// SplitCommandArgs separates multiple command arguments which may be quoted.
// The returned slice contains at least one string
func SplitCommandArgs(input string) []string {
var result []string
var curQuote *bytes.Buffer
curArg := new(bytes.Buffer)
escape := false
finishQuote := func() {
if curQuote == nil {
return
}
str := curQuote.String()
if unquoted, err := strconv.Unquote(str); err == nil {
str = unquoted
}
curArg.WriteString(str)
curQuote = nil
}
appendResult := func() {
finishQuote()
escape = false
str := curArg.String()
result = append(result, str)
curArg.Reset()
}
for _, r := range input {
if r == ' ' && curQuote == nil {
appendResult()
} else {
runeHandled := false
appendRuneToBuff := func() {
if curQuote != nil {
curQuote.WriteRune(r)
} else {
curArg.WriteRune(r)
}
runeHandled = true
}
if r == '"' && curQuote == nil {
curQuote = new(bytes.Buffer)
appendRuneToBuff()
} else {
if curQuote != nil && !escape {
if r == '"' {
appendRuneToBuff()
finishQuote()
} else if r == '\\' {
appendRuneToBuff()
escape = true
continue
}
}
}
if !runeHandled {
appendRuneToBuff()
}
}
escape = false
}
appendResult()
return result
}
// JoinCommandArgs joins multiple command arguments and quote the strings if needed.
func JoinCommandArgs(args ...string) string {
buf := new(bytes.Buffer)
first := true
for _, arg := range args {
if first {
first = false
} else {
buf.WriteRune(' ')
}
quoted := strconv.Quote(arg)
if quoted[1:len(quoted)-1] != arg || strings.ContainsRune(arg, ' ') {
buf.WriteString(quoted)
} else {
buf.WriteString(arg)
}
}
return buf.String()
}

156
cmd/micro/util_test.go Normal file
View file

@ -0,0 +1,156 @@
package main
import (
"reflect"
"testing"
)
func TestNumOccurences(t *testing.T) {
var tests = []struct {
inputStr string
inputChar byte
want int
}{
{"aaaa", 'a', 4},
{"\trfd\ta", '\t', 2},
{"∆ƒ\tø ® \t\t", '\t', 3},
}
for _, test := range tests {
if got := NumOccurrences(test.inputStr, test.inputChar); got != test.want {
t.Errorf("NumOccurences(%s, %c) = %d", test.inputStr, test.inputChar, got)
}
}
}
func TestSpaces(t *testing.T) {
var tests = []struct {
input int
want string
}{
{4, " "},
{0, ""},
}
for _, test := range tests {
if got := Spaces(test.input); got != test.want {
t.Errorf("Spaces(%d) = \"%s\"", test.input, got)
}
}
}
func TestIsWordChar(t *testing.T) {
if IsWordChar("t") == false {
t.Errorf("IsWordChar(t) = false")
}
if IsWordChar("T") == false {
t.Errorf("IsWordChar(T) = false")
}
if IsWordChar("5") == false {
t.Errorf("IsWordChar(5) = false")
}
if IsWordChar("_") == false {
t.Errorf("IsWordChar(_) = false")
}
if IsWordChar("ß") == false {
t.Errorf("IsWordChar(ß) = false")
}
if IsWordChar("~") == true {
t.Errorf("IsWordChar(~) = true")
}
if IsWordChar(" ") == true {
t.Errorf("IsWordChar( ) = true")
}
if IsWordChar(")") == true {
t.Errorf("IsWordChar()) = true")
}
if IsWordChar("\n") == true {
t.Errorf("IsWordChar(\n)) = true")
}
}
func TestJoinAndSplitCommandArgs(t *testing.T) {
tests := []struct {
Query []string
Wanted string
}{
{[]string{`test case`}, `"test case"`},
{[]string{`quote "test"`}, `"quote \"test\""`},
{[]string{`slash\\\ test`}, `"slash\\\\\\ test"`},
{[]string{`path 1`, `path\" 2`}, `"path 1" "path\\\" 2"`},
{[]string{`foo`}, `foo`},
{[]string{`foo\"bar`}, `"foo\\\"bar"`},
{[]string{``}, ``},
{[]string{`"`}, `"\""`},
{[]string{`a`, ``}, `a `},
{[]string{``, ``, ``, ``}, ` `},
{[]string{"\n"}, `"\n"`},
{[]string{"foo\tbar"}, `"foo\tbar"`},
}
for i, test := range tests {
if result := JoinCommandArgs(test.Query...); test.Wanted != result {
t.Errorf("JoinCommandArgs failed at Test %d\nGot: %q", i, result)
}
if result := SplitCommandArgs(test.Wanted); !reflect.DeepEqual(test.Query, result) {
t.Errorf("SplitCommandArgs failed at Test %d\nGot: `%q`", i, result)
}
}
splitTests := []struct {
Query string
Wanted []string
}{
{`"hallo""Welt"`, []string{`halloWelt`}},
{`"hallo" "Welt"`, []string{`hallo`, `Welt`}},
{`\"`, []string{`\"`}},
{`"foo`, []string{`"foo`}},
{`"foo"`, []string{`foo`}},
{`"\"`, []string{`"\"`}},
{`"C:\\"foo.txt`, []string{`C:\foo.txt`}},
{`"\n"new"\n"line`, []string{"\nnew\nline"}},
}
for i, test := range splitTests {
if result := SplitCommandArgs(test.Query); !reflect.DeepEqual(test.Wanted, result) {
t.Errorf("SplitCommandArgs failed at Split-Test %d\nGot: `%q`", i, result)
}
}
}
func TestStringWidth(t *testing.T) {
tabsize := 4
if w := StringWidth("1\t2", tabsize); w != 5 {
t.Error("StringWidth 1 Failed. Got", w)
}
if w := StringWidth("\t", tabsize); w != 4 {
t.Error("StringWidth 2 Failed. Got", w)
}
if w := StringWidth("1\t", tabsize); w != 4 {
t.Error("StringWidth 3 Failed. Got", w)
}
if w := StringWidth("\t\t", tabsize); w != 8 {
t.Error("StringWidth 4 Failed. Got", w)
}
if w := StringWidth("12\t2\t", tabsize); w != 8 {
t.Error("StringWidth 5 Failed. Got", w)
}
}
func TestWidthOfLargeRunes(t *testing.T) {
tabsize := 4
if w := WidthOfLargeRunes("1\t2", tabsize); w != 2 {
t.Error("WidthOfLargeRunes 1 Failed. Got", w)
}
if w := WidthOfLargeRunes("\t", tabsize); w != 3 {
t.Error("WidthOfLargeRunes 2 Failed. Got", w)
}
if w := WidthOfLargeRunes("1\t", tabsize); w != 2 {
t.Error("WidthOfLargeRunes 3 Failed. Got", w)
}
if w := WidthOfLargeRunes("\t\t", tabsize); w != 6 {
t.Error("WidthOfLargeRunes 4 Failed. Got", w)
}
if w := WidthOfLargeRunes("12\t2\t", tabsize); w != 3 {
t.Error("WidthOfLargeRunes 5 Failed. Got", w)
}
}

1
cmd/micro/vendor/github.com/blang/semver generated vendored Submodule

@ -0,0 +1 @@
Subproject commit 4a1e882c79dcf4ec00d2e29fac74b9c8938d5052

1
cmd/micro/vendor/github.com/dustin/go-humanize generated vendored Submodule

@ -0,0 +1 @@
Subproject commit 259d2a102b871d17f30e3cd9881a642961a1e486

1
cmd/micro/vendor/github.com/flynn/json5 generated vendored Submodule

@ -0,0 +1 @@
Subproject commit 7620272ed63390e979cf5882d2fa0506fe2a8db5

1
cmd/micro/vendor/github.com/gdamore/encoding generated vendored Submodule

@ -0,0 +1 @@
Subproject commit b23993cbb6353f0e6aa98d0ee318a34728f628b9

1
cmd/micro/vendor/github.com/go-errors/errors generated vendored Submodule

@ -0,0 +1 @@
Subproject commit 8fa88b06e5974e97fbf9899a7f86a344bfd1f105

@ -0,0 +1 @@
Subproject commit c900de9dbbc73129068f5af6a823068fc5f2308c

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Subproject commit fc9e8d8ef48496124e79ae0df75490096eccf6fe

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cmd/micro/vendor/github.com/mattn/go-runewidth generated vendored Submodule

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Subproject commit 97311d9f7767e3d6f422ea06661bc2c7a19e8a5d

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cmd/micro/vendor/github.com/mitchellh/go-homedir generated vendored Submodule

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Subproject commit b8bc1bf767474819792c23f32d8286a45736f1c6

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Subproject commit feef008d51ad2b3778f85d387ccf91735543008d

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Subproject commit b402f3114ec730d8bddb074a6c137309f561aa78

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Subproject commit adacf416cec40266b051e7bc096c52951f2725e9

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Subproject commit dd4023a66dc351ae26e592d21cd133b5b143f3d8

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Subproject commit ab09682913b79f402713d1df1977dedc19eb25ac

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Subproject commit 37b78458fe9cbcbdd74fc579537aa13f50eb9f2f

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Subproject commit 1a68b1313cf4ad7778376e82641197b60c02f65c

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Subproject commit 210eee5cf7323015d097341bcf7166130d001cd8

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cmd/micro/vendor/gopkg.in/yaml.v2 generated vendored Submodule

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Subproject commit cd8b52f8269e0feb286dfeef29f8fe4d5b397e0b

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Subproject commit 16281577dff29557258daa8ca9bc9b2e05f451f2

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cmd/micro/view.go Normal file

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<?xml version="1.0" encoding="UTF-8"?>
<component>
<id>com.github.zyedidia.micro</id>
<name>Micro Text Editor</name>
<summary>A modern and intuitive terminal-based text editor</summary>
<url type="homepage">https://micro-editor.github.io</url>
<url type="bugtracker">https://github.com/zyedidia/micro</url>
<metadata_license>MIT</metadata_license>
<categories>
<category>Development</category>
<category>TextEditor</category>
</categories>
<provides>
<binary>micro</binary>
</provides>
<releases>
<release version="1.2.0" date="2017-05-28" />
</releases>
<developer_name>Zachary Yedidia</developer_name>
<screenshots>
<screenshot type="default">
<caption>Micro Text Editor editing its source code.</caption>
<image type="source">https://raw.githubusercontent.com/zyedidia/micro/master/assets/micro-solarized.png</image>
</screenshot>
</screenshots>
</component>

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@ -1,51 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<component type="desktop-application">
<id>io.github.zyedidia.micro</id>
<launchable type="desktop-id">micro.desktop</launchable>
<name>Micro Text Editor</name>
<summary>A modern and intuitive terminal-based text editor</summary>
<description>
<p>
micro is a terminal-based text editor that aims to be easy to use and
intuitive, while also taking advantage of the capabilities of modern terminals.
It comes as a single, batteries-included, static binary with no dependencies;
you can download and use it right now!
</p>
<p>
As its name indicates, micro aims to be somewhat of a successor to the nano
editor by being easy to install and use. It strives to be enjoyable as a full-time
editor for people who prefer to work in a terminal, or those who regularly
edit files over SSH.
</p>
</description>
<metadata_license>MIT</metadata_license>
<project_license>MIT</project_license>
<categories>
<category>Development</category>
<category>TextEditor</category>
</categories>
<releases>
<release version="2.0.13" date="2023-10-22"/>
<release version="2.0.12" date="2023-09-06"/>
<release version="2.0.11" date="2022-08-01"/>
</releases>
<provides>
<binary>micro</binary>
<id>com.github.zyedidia.micro</id>
</provides>
<developer_name>Zachary Yedidia</developer_name>
<screenshots>
<screenshot type="default">
<caption>Micro Text Editor editing its source code</caption>
<image type="source">https://raw.githubusercontent.com/zyedidia/micro/master/assets/micro-solarized.png</image>
</screenshot>
</screenshots>
<content_rating type="oars-1.1" />
<url type="homepage">https://micro-editor.github.io</url>
<url type="bugtracker">https://github.com/zyedidia/micro/issues</url>
<url type="faq">https://micro-editor.github.io/about.html</url>
<url type="help">https://micro-editor.github.io/about.html</url>
<url type="contact">https://github.com/zyedidia</url>
<url type="vcs-browser">https://github.com/zyedidia/micro</url>
<url type="contribute">https://github.com/zyedidia/micro#contributing</url>
</component>

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@ -1,367 +0,0 @@
{
"$comment": "https://github.com/zyedidia/micro",
"$schema": "http://json-schema.org/draft-07/schema#",
"title": "options",
"description": "A micro editor config schema",
"type": "object",
"properties": {
"autoindent": {
"description": "Whether to use the same indentation as a previous line\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"autosave": {
"description": "A delay between automatic saves\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "integer",
"minimum": 0,
"default": 0
},
"autosu": {
"description": "Whether attempt to use super user privileges\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"backup": {
"description": "Whether to backup all open buffers\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"backupdir": {
"description": "A directory to store backups\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"default": ""
},
"basename": {
"description": "Whether to show a basename instead of a full path\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"clipboard": {
"description": "A way to access the system clipboard\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"enum": [
"external",
"terminal",
"internal"
],
"default": "external"
},
"colorcolumn": {
"description": "A position to display a column\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "integer",
"minimum": 0,
"default": 0
},
"colorscheme": {
"description": "A color scheme\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"enum": [
"atom-dark",
"bubblegum",
"cmc-16",
"cmc-tc",
"darcula",
"default",
"dracula-tc",
"dukedark-tc",
"dukelight-tc",
"dukeubuntu-tc",
"geany",
"gotham",
"gruvbox",
"gruvbox-tc",
"material-tc",
"monokai-dark",
"monokai",
"one-dark",
"railscast",
"simple",
"solarized",
"solarized-tc",
"sunny-day",
"twilight",
"zenburn"
],
"default": "default"
},
"cursorline": {
"description": "Whether to highlight a line with a cursor with a different color\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"diffgutter": {
"description": "Whether to display diff inticators before lines\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"divchars": {
"description": "Divider chars for vertical and horizontal splits\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"default": "|-"
},
"divreverse": {
"description": "Whether to use inversed color scheme colors for splits\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"encoding": {
"description": "An encoding used to open and save files\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"default": "utf-8"
},
"eofnewline": {
"description": "Whether to add a missing trailing new line\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"fastdirty": {
"description": "Whether to use a fast algorithm to determine whether a file is changed\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"fileformat": {
"description": "A line ending format\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"enum": [
"unix",
"dos"
],
"default": "unix"
},
"filetype": {
"description": "A filetype for the current buffer\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"default": "unknown"
},
"hlsearch": {
"description": "Whether to highlight all instances of a searched text after a successful search\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"incsearch": {
"description": "Whether to enable an incremental search in `Find` prompt\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"ignorecase": {
"description": "Whether to perform case-insensitive searches\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"indentchar": {
"description": "An indentation character\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"maxLength": 1,
"default": " "
},
"infobar": {
"description": "Whether to enable a line at the bottom where messages are printed\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"keepautoindent": {
"description": "Whether add a whitespace while using autoindent\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"keymenu": {
"description": "Whether to display nano-style key menu at the bottom\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"matchbrace": {
"description": "Whether to show matching braces\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"matchbracestyle": {
"description": "Whether to underline or highlight matching braces\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"enum": [
"underline",
"highlight"
],
"default": "underline"
},
"mkparents": {
"description": "Whether to create missing directories\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"mouse": {
"description": "Whether to enable mouse support\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"paste": {
"description": "Whether to treat characters sent from the terminal in a single chunk as a paste event\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"parsecursor": {
"description": "Whether to extract a line number and a column to open files with from file names\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"permbackup": {
"description": "Whether to permanently save backups\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"pluginchannels": {
"description": "A file with list of plugin channels\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"default": "https://raw.githubusercontent.com/micro-editor/plugin-channel/master/channel.json"
},
"pluginrepos": {
"description": "Plugin repositories\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "array",
"uniqueItems": true,
"items": {
"description": "A pluging repository\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string"
},
"default": []
},
"readonly": {
"description": "Whether to forbid buffer editing\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"rmtrailingws": {
"description": "Whether to remove trailing whitespaces\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"ruler": {
"description": "Whether to display line numbers\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"relativeruler": {
"description": "Whether to display relative line numbers\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"savecursor": {
"description": "Whether to save cursor position in files\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"savehistory": {
"description": "Whether to save command history between closing and re-opening editor\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"saveundo": {
"description": "Whether to save undo after closing file\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"scrollbar": {
"description": "Whether to save undo after closing file\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"scrollmargin": {
"description": "A margin at which a view starts scrolling when a cursor approaches an edge of a view\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "integer",
"default": 3
},
"scrollspeed": {
"description": "Line count to scroll for one scroll event\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "integer",
"default": 2
},
"smartpaste": {
"description": "Whether to add a leading whitespace while pasting multiple lines\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"softwrap": {
"description": "Whether to wrap long lines\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"splitbottom": {
"description": "Whether to create a new horizontal split below the current one\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"splitright": {
"description": "Whether to create a new vertical split right of the current one\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"statusformatl": {
"description": "Format string of left-justified part of the statusline\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"default": "$(filename) $(modified)($(line),$(col)) $(status.paste)| ft:$(opt:filetype) | $(opt:fileformat) | $(opt:encoding)"
},
"statusformatr": {
"description": "Format string of right-justified part of the statusline\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"default": "$(bind:ToggleKeyMenu): bindings, $(bind:ToggleHelp): help"
},
"statusline": {
"description": "Whether to display a status line\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"default": "sudo"
},
"sucmd": {
"description": "A super user command\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "string",
"default": "sudo",
"examples": [
"sudo",
"doas"
]
},
"syntax": {
"description": "Whether to enable a syntax highlighting\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"tabmovement": {
"description": "Whether to navigate spaces at the beginning of lines as if they are tabs\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"tabhighlight": {
"description": "Whether to invert tab character colors\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"tabreverse": {
"description": "Whether to reverse tab bar colors\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"tabsize": {
"description": "A tab size\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "integer",
"default": 4
},
"tabstospaces": {
"description": "Whether to use spaces instead of tabs\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"useprimary": {
"description": "Whether to use primary clipboard to copy selections in the background\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": true
},
"wordwrap": {
"description": "Whether to wrap long lines by words\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
},
"xterm": {
"description": "Whether to assume that the current terminal is `xterm`\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
"type": "boolean",
"default": false
}
},
"additionalProperties": false
}

30
go.mod
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@ -1,30 +0,0 @@
module github.com/zyedidia/micro/v2
require (
github.com/blang/semver v3.5.1+incompatible
github.com/dustin/go-humanize v1.0.0
github.com/go-errors/errors v1.0.1
github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
github.com/mattn/go-isatty v0.0.11
github.com/mattn/go-runewidth v0.0.7
github.com/mitchellh/go-homedir v1.1.0
github.com/sergi/go-diff v1.1.0
github.com/stretchr/testify v1.4.0
github.com/yuin/gopher-lua v0.0.0-20191220021717-ab39c6098bdb
github.com/zyedidia/clipper v0.1.1
github.com/zyedidia/glob v0.0.0-20170209203856-dd4023a66dc3
github.com/zyedidia/json5 v0.0.0-20200102012142-2da050b1a98d
github.com/zyedidia/tcell/v2 v2.0.10 // indirect
github.com/zyedidia/terminal v0.0.0-20230315200948-4b3bcf6dddef
golang.org/x/text v0.3.8
gopkg.in/yaml.v2 v2.2.8
layeh.com/gopher-luar v1.0.7
)
replace github.com/kballard/go-shellquote => github.com/zyedidia/go-shellquote v0.0.0-20200613203517-eccd813c0655
replace github.com/mattn/go-runewidth => github.com/zyedidia/go-runewidth v0.0.12
replace layeh.com/gopher-luar => github.com/layeh/gopher-luar v1.0.7
go 1.16

103
go.sum
View file

@ -1,103 +0,0 @@
github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdnnjpJbkM4JQ=
github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
github.com/go-errors/errors v1.0.1 h1:LUHzmkK3GUKUrL/1gfBUxAHzcev3apQlezX/+O7ma6w=
github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/layeh/gopher-luar v1.0.7 h1:wnfZhYiJM748y1A4qYBfcFeMY9HWbdERny+ZL0f/jWc=
github.com/layeh/gopher-luar v1.0.7/go.mod h1:TPnIVCZ2RJBndm7ohXyaqfhzjlZ+OA2SZR/YwL8tECk=
github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac=
github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/mattn/go-isatty v0.0.11 h1:FxPOTFNqGkuDUGi3H/qkUbQO4ZiBa2brKq5r0l8TGeM=
github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOAqxQCu2WE=
github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rivo/uniseg v0.1.0 h1:+2KBaVoUmb9XzDsrx/Ct0W/EYOSFf/nWTauy++DprtY=
github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
github.com/sergi/go-diff v1.1.0 h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0=
github.com/sergi/go-diff v1.1.0/go.mod h1:STckp+ISIX8hZLjrqAeVduY0gWCT9IjLuqbuNXdaHfM=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/xo/terminfo v0.0.0-20200218205459-454e5b68f9e8 h1:woqigIZtZUZxws1zZA99nAvuz2mQrxtWsuZSR9c8I/A=
github.com/xo/terminfo v0.0.0-20200218205459-454e5b68f9e8/go.mod h1:6Yhx5ZJl5942QrNRWLwITArVT9okUXc5c3brgWJMoDc=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
github.com/yuin/gopher-lua v0.0.0-20190206043414-8bfc7677f583/go.mod h1:gqRgreBUhTSL0GeU64rtZ3Uq3wtjOa/TB2YfrtkCbVQ=
github.com/yuin/gopher-lua v0.0.0-20191220021717-ab39c6098bdb h1:ZkM6LRnq40pR1Ox0hTHlnpkcOTuFIDQpZ1IN8rKKhX0=
github.com/yuin/gopher-lua v0.0.0-20191220021717-ab39c6098bdb/go.mod h1:gqRgreBUhTSL0GeU64rtZ3Uq3wtjOa/TB2YfrtkCbVQ=
github.com/zyedidia/clipper v0.1.1 h1:HBgguFNDq/QmSQKBnhy4sMKzILINr139VEgAhftOUTw=
github.com/zyedidia/clipper v0.1.1/go.mod h1:7YApPNiiTZTXdKKZG92G50qj6mnWEX975Sdu65J7YpQ=
github.com/zyedidia/glob v0.0.0-20170209203856-dd4023a66dc3 h1:oMHjjTLfGXVuyOQBYj5/td9WC0mw4g1xDBPovIqmHew=
github.com/zyedidia/glob v0.0.0-20170209203856-dd4023a66dc3/go.mod h1:YKbIYP//Eln8eDgAJGI3IDvR3s4Tv9Z9TGIOumiyQ5c=
github.com/zyedidia/go-runewidth v0.0.12 h1:aHWj8qL3aH7caRzoPBJXe1pEaZBXHpKtfTuiBo5p74Q=
github.com/zyedidia/go-runewidth v0.0.12/go.mod h1:vF8djYdLmG8BJaUZ4CznFYCJ3pFR8m4B4VinTvTTarU=
github.com/zyedidia/go-shellquote v0.0.0-20200613203517-eccd813c0655 h1:Z3RhH6hvcSx7eX6Q/pP6YVsgea/1eMDG99vtWwi3nK4=
github.com/zyedidia/go-shellquote v0.0.0-20200613203517-eccd813c0655/go.mod h1:1sTqqO+kcYzZp43M5VsJe1tns9IzlSeC9jB6c2+o/5Y=
github.com/zyedidia/json5 v0.0.0-20200102012142-2da050b1a98d h1:zmDMkh22zXOB7gz8jFaI4GpI7llsPgzm38/jG0UgxjE=
github.com/zyedidia/json5 v0.0.0-20200102012142-2da050b1a98d/go.mod h1:NDJSTTYWivnza6zkRapeX2/LwhKPEMQ7bJxqgDVT78I=
github.com/zyedidia/poller v1.0.1 h1:Tt9S3AxAjXwWGNiC2TUdRJkQDZSzCBNVQ4xXiQ7440s=
github.com/zyedidia/poller v1.0.1/go.mod h1:vZXJOHGDcuK08GXhF6IAY0ZFd2WcgOR5DOTp84Uk5eE=
github.com/zyedidia/tcell/v2 v2.0.9 h1:FxXRkE62N0GPHES7EMLtp2rteYqC9r1kVid8vJN1kOE=
github.com/zyedidia/tcell/v2 v2.0.9/go.mod h1:i4NNlquIQXFeNecrOgxDQQJdu+7LmTi3g62asvmwUws=
github.com/zyedidia/tcell/v2 v2.0.10-0.20221007181625-f562052bccb8 h1:53ULv4mmLyQDnqbjVxanckP57WSreWHwTmlLJrJEutY=
github.com/zyedidia/tcell/v2 v2.0.10-0.20221007181625-f562052bccb8/go.mod h1:i4NNlquIQXFeNecrOgxDQQJdu+7LmTi3g62asvmwUws=
github.com/zyedidia/tcell/v2 v2.0.10-0.20230320201625-54f6acdada4a h1:W4TWa++Wk6uRGxZoxr2nPX1TpIEl+Wxv0mTtocG4TYc=
github.com/zyedidia/tcell/v2 v2.0.10-0.20230320201625-54f6acdada4a/go.mod h1:i4NNlquIQXFeNecrOgxDQQJdu+7LmTi3g62asvmwUws=
github.com/zyedidia/tcell/v2 v2.0.10-0.20230831153116-061c5b2c7260 h1:SCAmAacT5BxZsmOFdFy5zwwi6nj1MjA60gydjKdTgXo=
github.com/zyedidia/tcell/v2 v2.0.10-0.20230831153116-061c5b2c7260/go.mod h1:i4NNlquIQXFeNecrOgxDQQJdu+7LmTi3g62asvmwUws=
github.com/zyedidia/tcell/v2 v2.0.10 h1:6fbbYAx/DYc9A//4jU1OeBrxtc9qJxYCZXCtGQbtTWU=
github.com/zyedidia/tcell/v2 v2.0.10/go.mod h1:i4NNlquIQXFeNecrOgxDQQJdu+7LmTi3g62asvmwUws=
github.com/zyedidia/terminal v0.0.0-20230315200948-4b3bcf6dddef h1:LeB4Qs0Tss4r/Qh8pfsTTqagDYHysfKJLYzAH3MVfu0=
github.com/zyedidia/terminal v0.0.0-20230315200948-4b3bcf6dddef/go.mod h1:zeb8MJdcCObFKVvur3n2B4BANIPuo2Q8r4iiNs9Enx0=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190204203706-41f3e6584952/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f h1:v4INt8xihDGvnrfjMDVXGxw9wrfxYyCjk0KbXjhR55s=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.3.8 h1:nAL+RVCQ9uMn3vJZbV+MRnydTJFPf8qqY42YiA6MrqY=
golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

File diff suppressed because it is too large Load diff

View file

@ -1,8 +0,0 @@
// +build plan9 nacl windows
package action
func (*BufPane) Suspend() bool {
InfoBar.Error("Suspend is only supported on BSD/Linux")
return false
}

View file

@ -1,514 +0,0 @@
package action
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"regexp"
"strings"
"unicode"
"github.com/zyedidia/json5"
"github.com/zyedidia/micro/v2/internal/config"
"github.com/zyedidia/micro/v2/internal/screen"
"github.com/zyedidia/tcell/v2"
)
var Binder = map[string]func(e Event, action string){
"command": InfoMapEvent,
"buffer": BufMapEvent,
"terminal": TermMapEvent,
}
func createBindingsIfNotExist(fname string) {
if _, e := os.Stat(fname); os.IsNotExist(e) {
ioutil.WriteFile(fname, []byte("{}"), 0644)
}
}
// InitBindings intializes the bindings map by reading from bindings.json
func InitBindings() {
var parsed map[string]interface{}
filename := filepath.Join(config.ConfigDir, "bindings.json")
createBindingsIfNotExist(filename)
if _, e := os.Stat(filename); e == nil {
input, err := ioutil.ReadFile(filename)
if err != nil {
screen.TermMessage("Error reading bindings.json file: " + err.Error())
return
}
err = json5.Unmarshal(input, &parsed)
if err != nil {
screen.TermMessage("Error reading bindings.json:", err.Error())
}
}
for p, bind := range Binder {
defaults := DefaultBindings(p)
for k, v := range defaults {
BindKey(k, v, bind)
}
}
for k, v := range parsed {
switch val := v.(type) {
case string:
BindKey(k, val, Binder["buffer"])
case map[string]interface{}:
bind, ok := Binder[k]
if !ok || bind == nil {
screen.TermMessage(fmt.Sprintf("%s is not a valid pane type", k))
continue
}
for e, a := range val {
s, ok := a.(string)
if !ok {
screen.TermMessage("Error reading bindings.json: non-string and non-map entry", k)
} else {
BindKey(e, s, bind)
}
}
default:
screen.TermMessage("Error reading bindings.json: non-string and non-map entry", k)
}
}
}
func BindKey(k, v string, bind func(e Event, a string)) {
event, err := findEvent(k)
if err != nil {
screen.TermMessage(err)
return
}
if strings.HasPrefix(k, "\x1b") {
screen.Screen.RegisterRawSeq(k)
}
bind(event, v)
// switch e := event.(type) {
// case KeyEvent:
// InfoMapKey(e, v)
// case KeySequenceEvent:
// InfoMapKey(e, v)
// case MouseEvent:
// InfoMapMouse(e, v)
// case RawEvent:
// InfoMapKey(e, v)
// }
}
var r = regexp.MustCompile("<(.+?)>")
func findEvents(k string) (b KeySequenceEvent, ok bool, err error) {
var events []Event = nil
for len(k) > 0 {
groups := r.FindStringSubmatchIndex(k)
if len(groups) > 3 {
if events == nil {
events = make([]Event, 0, 3)
}
e, ok := findSingleEvent(k[groups[2]:groups[3]])
if !ok {
return KeySequenceEvent{}, false, errors.New("Invalid event " + k[groups[2]:groups[3]])
}
events = append(events, e)
k = k[groups[3]+1:]
} else {
return KeySequenceEvent{}, false, nil
}
}
return KeySequenceEvent{events}, true, nil
}
// findSingleEvent will find binding Key 'b' using string 'k'
func findSingleEvent(k string) (b Event, ok bool) {
modifiers := tcell.ModNone
// First, we'll strip off all the modifiers in the name and add them to the
// ModMask
modSearch:
for {
switch {
case strings.HasPrefix(k, "-") && k != "-":
// We optionally support dashes between modifiers
k = k[1:]
case strings.HasPrefix(k, "Ctrl") && k != "CtrlH":
// CtrlH technically does not have a 'Ctrl' modifier because it is really backspace
k = k[4:]
modifiers |= tcell.ModCtrl
case strings.HasPrefix(k, "Alt"):
k = k[3:]
modifiers |= tcell.ModAlt
case strings.HasPrefix(k, "Shift"):
k = k[5:]
modifiers |= tcell.ModShift
case strings.HasPrefix(k, "\x1b"):
return RawEvent{
esc: k,
}, true
default:
break modSearch
}
}
if k == "" {
return KeyEvent{}, false
}
// Control is handled in a special way, since the terminal sends explicitly
// marked escape sequences for control keys
// We should check for Control keys first
if modifiers&tcell.ModCtrl != 0 {
// see if the key is in bindingKeys with the Ctrl prefix.
k = string(unicode.ToUpper(rune(k[0]))) + k[1:]
if code, ok := keyEvents["Ctrl"+k]; ok {
var r tcell.Key
// Special case for escape, for some reason tcell doesn't send it with the esc character
if code < 256 && code != 27 {
r = code
}
// It is, we're done.
return KeyEvent{
code: code,
mod: modifiers,
r: rune(r),
}, true
}
}
// See if we can find the key in bindingKeys
if code, ok := keyEvents[k]; ok {
var r tcell.Key
// Special case for escape, for some reason tcell doesn't send it with the esc character
if code < 256 && code != 27 {
r = code
}
return KeyEvent{
code: code,
mod: modifiers,
r: rune(r),
}, true
}
var mstate MouseState = MousePress
if strings.HasSuffix(k, "Drag") {
k = k[:len(k)-4]
mstate = MouseDrag
} else if strings.HasSuffix(k, "Release") {
k = k[:len(k)-7]
mstate = MouseRelease
}
// See if we can find the key in bindingMouse
if code, ok := mouseEvents[k]; ok {
return MouseEvent{
btn: code,
mod: modifiers,
state: mstate,
}, true
}
// If we were given one character, then we've got a rune.
if len(k) == 1 {
return KeyEvent{
code: tcell.KeyRune,
mod: modifiers,
r: rune(k[0]),
}, true
}
// We don't know what happened.
return KeyEvent{}, false
}
func findEvent(k string) (Event, error) {
var event Event
event, ok, err := findEvents(k)
if err != nil {
return nil, err
}
if !ok {
event, ok = findSingleEvent(k)
if !ok {
return nil, errors.New(k + " is not a bindable event")
}
}
return event, nil
}
func eventsEqual(e1 Event, e2 Event) bool {
seq1, ok1 := e1.(KeySequenceEvent)
seq2, ok2 := e2.(KeySequenceEvent)
if ok1 && ok2 {
if len(seq1.keys) != len(seq2.keys) {
return false
}
for i := 0; i < len(seq1.keys); i++ {
if seq1.keys[i] != seq2.keys[i] {
return false
}
}
return true
}
return e1 == e2
}
// TryBindKey tries to bind a key by writing to config.ConfigDir/bindings.json
// Returns true if the keybinding already existed and a possible error
func TryBindKey(k, v string, overwrite bool) (bool, error) {
var e error
var parsed map[string]interface{}
filename := filepath.Join(config.ConfigDir, "bindings.json")
createBindingsIfNotExist(filename)
if _, e = os.Stat(filename); e == nil {
input, err := ioutil.ReadFile(filename)
if err != nil {
return false, errors.New("Error reading bindings.json file: " + err.Error())
}
err = json5.Unmarshal(input, &parsed)
if err != nil {
return false, errors.New("Error reading bindings.json: " + err.Error())
}
key, err := findEvent(k)
if err != nil {
return false, err
}
found := false
var ev string
for ev = range parsed {
if e, err := findEvent(ev); err == nil {
if eventsEqual(e, key) {
found = true
break
}
}
}
if found {
if overwrite {
parsed[ev] = v
} else {
return true, nil
}
} else {
parsed[k] = v
}
BindKey(k, v, Binder["buffer"])
txt, _ := json.MarshalIndent(parsed, "", " ")
return true, ioutil.WriteFile(filename, append(txt, '\n'), 0644)
}
return false, e
}
// UnbindKey removes the binding for a key from the bindings.json file
func UnbindKey(k string) error {
var e error
var parsed map[string]interface{}
filename := filepath.Join(config.ConfigDir, "bindings.json")
createBindingsIfNotExist(filename)
if _, e = os.Stat(filename); e == nil {
input, err := ioutil.ReadFile(filename)
if err != nil {
return errors.New("Error reading bindings.json file: " + err.Error())
}
err = json5.Unmarshal(input, &parsed)
if err != nil {
return errors.New("Error reading bindings.json: " + err.Error())
}
key, err := findEvent(k)
if err != nil {
return err
}
for ev := range parsed {
if e, err := findEvent(ev); err == nil {
if eventsEqual(e, key) {
delete(parsed, ev)
break
}
}
}
if strings.HasPrefix(k, "\x1b") {
screen.Screen.UnregisterRawSeq(k)
}
defaults := DefaultBindings("buffer")
if a, ok := defaults[k]; ok {
BindKey(k, a, Binder["buffer"])
} else if _, ok := config.Bindings["buffer"][k]; ok {
BufUnmap(key)
delete(config.Bindings["buffer"], k)
}
txt, _ := json.MarshalIndent(parsed, "", " ")
return ioutil.WriteFile(filename, append(txt, '\n'), 0644)
}
return e
}
var mouseEvents = map[string]tcell.ButtonMask{
"MouseLeft": tcell.ButtonPrimary,
"MouseMiddle": tcell.ButtonMiddle,
"MouseRight": tcell.ButtonSecondary,
"MouseWheelUp": tcell.WheelUp,
"MouseWheelDown": tcell.WheelDown,
"MouseWheelLeft": tcell.WheelLeft,
"MouseWheelRight": tcell.WheelRight,
}
var keyEvents = map[string]tcell.Key{
"Up": tcell.KeyUp,
"Down": tcell.KeyDown,
"Right": tcell.KeyRight,
"Left": tcell.KeyLeft,
"UpLeft": tcell.KeyUpLeft,
"UpRight": tcell.KeyUpRight,
"DownLeft": tcell.KeyDownLeft,
"DownRight": tcell.KeyDownRight,
"Center": tcell.KeyCenter,
"PageUp": tcell.KeyPgUp,
"PageDown": tcell.KeyPgDn,
"Home": tcell.KeyHome,
"End": tcell.KeyEnd,
"Insert": tcell.KeyInsert,
"Delete": tcell.KeyDelete,
"Help": tcell.KeyHelp,
"Exit": tcell.KeyExit,
"Clear": tcell.KeyClear,
"Cancel": tcell.KeyCancel,
"Print": tcell.KeyPrint,
"Pause": tcell.KeyPause,
"Backtab": tcell.KeyBacktab,
"F1": tcell.KeyF1,
"F2": tcell.KeyF2,
"F3": tcell.KeyF3,
"F4": tcell.KeyF4,
"F5": tcell.KeyF5,
"F6": tcell.KeyF6,
"F7": tcell.KeyF7,
"F8": tcell.KeyF8,
"F9": tcell.KeyF9,
"F10": tcell.KeyF10,
"F11": tcell.KeyF11,
"F12": tcell.KeyF12,
"F13": tcell.KeyF13,
"F14": tcell.KeyF14,
"F15": tcell.KeyF15,
"F16": tcell.KeyF16,
"F17": tcell.KeyF17,
"F18": tcell.KeyF18,
"F19": tcell.KeyF19,
"F20": tcell.KeyF20,
"F21": tcell.KeyF21,
"F22": tcell.KeyF22,
"F23": tcell.KeyF23,
"F24": tcell.KeyF24,
"F25": tcell.KeyF25,
"F26": tcell.KeyF26,
"F27": tcell.KeyF27,
"F28": tcell.KeyF28,
"F29": tcell.KeyF29,
"F30": tcell.KeyF30,
"F31": tcell.KeyF31,
"F32": tcell.KeyF32,
"F33": tcell.KeyF33,
"F34": tcell.KeyF34,
"F35": tcell.KeyF35,
"F36": tcell.KeyF36,
"F37": tcell.KeyF37,
"F38": tcell.KeyF38,
"F39": tcell.KeyF39,
"F40": tcell.KeyF40,
"F41": tcell.KeyF41,
"F42": tcell.KeyF42,
"F43": tcell.KeyF43,
"F44": tcell.KeyF44,
"F45": tcell.KeyF45,
"F46": tcell.KeyF46,
"F47": tcell.KeyF47,
"F48": tcell.KeyF48,
"F49": tcell.KeyF49,
"F50": tcell.KeyF50,
"F51": tcell.KeyF51,
"F52": tcell.KeyF52,
"F53": tcell.KeyF53,
"F54": tcell.KeyF54,
"F55": tcell.KeyF55,
"F56": tcell.KeyF56,
"F57": tcell.KeyF57,
"F58": tcell.KeyF58,
"F59": tcell.KeyF59,
"F60": tcell.KeyF60,
"F61": tcell.KeyF61,
"F62": tcell.KeyF62,
"F63": tcell.KeyF63,
"F64": tcell.KeyF64,
"CtrlSpace": tcell.KeyCtrlSpace,
"CtrlA": tcell.KeyCtrlA,
"CtrlB": tcell.KeyCtrlB,
"CtrlC": tcell.KeyCtrlC,
"CtrlD": tcell.KeyCtrlD,
"CtrlE": tcell.KeyCtrlE,
"CtrlF": tcell.KeyCtrlF,
"CtrlG": tcell.KeyCtrlG,
"CtrlH": tcell.KeyCtrlH,
"CtrlI": tcell.KeyCtrlI,
"CtrlJ": tcell.KeyCtrlJ,
"CtrlK": tcell.KeyCtrlK,
"CtrlL": tcell.KeyCtrlL,
"CtrlM": tcell.KeyCtrlM,
"CtrlN": tcell.KeyCtrlN,
"CtrlO": tcell.KeyCtrlO,
"CtrlP": tcell.KeyCtrlP,
"CtrlQ": tcell.KeyCtrlQ,
"CtrlR": tcell.KeyCtrlR,
"CtrlS": tcell.KeyCtrlS,
"CtrlT": tcell.KeyCtrlT,
"CtrlU": tcell.KeyCtrlU,
"CtrlV": tcell.KeyCtrlV,
"CtrlW": tcell.KeyCtrlW,
"CtrlX": tcell.KeyCtrlX,
"CtrlY": tcell.KeyCtrlY,
"CtrlZ": tcell.KeyCtrlZ,
"CtrlLeftSq": tcell.KeyCtrlLeftSq,
"CtrlBackslash": tcell.KeyCtrlBackslash,
"CtrlRightSq": tcell.KeyCtrlRightSq,
"CtrlCarat": tcell.KeyCtrlCarat,
"CtrlUnderscore": tcell.KeyCtrlUnderscore,
"Tab": tcell.KeyTab,
"Esc": tcell.KeyEsc,
"Escape": tcell.KeyEscape,
"Enter": tcell.KeyEnter,
"Backspace": tcell.KeyBackspace2,
"OldBackspace": tcell.KeyBackspace,
// I renamed these keys to PageUp and PageDown but I don't want to break someone's keybindings
"PgUp": tcell.KeyPgUp,
"PgDown": tcell.KeyPgDn,
}

View file

@ -1,929 +0,0 @@
package action
import (
"strings"
"time"
luar "layeh.com/gopher-luar"
lua "github.com/yuin/gopher-lua"
"github.com/zyedidia/micro/v2/internal/buffer"
"github.com/zyedidia/micro/v2/internal/config"
"github.com/zyedidia/micro/v2/internal/display"
ulua "github.com/zyedidia/micro/v2/internal/lua"
"github.com/zyedidia/micro/v2/internal/screen"
"github.com/zyedidia/micro/v2/internal/util"
"github.com/zyedidia/tcell/v2"
)
type BufAction interface{}
// BufKeyAction represents an action bound to a key.
type BufKeyAction func(*BufPane) bool
// BufMouseAction is an action that must be bound to a mouse event.
type BufMouseAction func(*BufPane, *tcell.EventMouse) bool
// BufBindings stores the bindings for the buffer pane type.
var BufBindings *KeyTree
// BufKeyActionGeneral makes a general pane action from a BufKeyAction.
func BufKeyActionGeneral(a BufKeyAction) PaneKeyAction {
return func(p Pane) bool {
return a(p.(*BufPane))
}
}
// BufMouseActionGeneral makes a general pane mouse action from a BufKeyAction.
func BufMouseActionGeneral(a BufMouseAction) PaneMouseAction {
return func(p Pane, me *tcell.EventMouse) bool {
return a(p.(*BufPane), me)
}
}
func init() {
BufBindings = NewKeyTree()
}
// LuaAction makes an action from a lua function. It returns either a BufKeyAction
// or a BufMouseAction depending on the event type.
func LuaAction(fn string, k Event) BufAction {
luaFn := strings.Split(fn, ".")
if len(luaFn) <= 1 {
return nil
}
plName, plFn := luaFn[0], luaFn[1]
pl := config.FindPlugin(plName)
if pl == nil {
return nil
}
var action BufAction
switch k.(type) {
case KeyEvent, KeySequenceEvent, RawEvent:
action = BufKeyAction(func(h *BufPane) bool {
val, err := pl.Call(plFn, luar.New(ulua.L, h))
if err != nil {
screen.TermMessage(err)
}
if v, ok := val.(lua.LBool); !ok {
return false
} else {
return bool(v)
}
})
case MouseEvent:
action = BufMouseAction(func(h *BufPane, te *tcell.EventMouse) bool {
val, err := pl.Call(plFn, luar.New(ulua.L, h), luar.New(ulua.L, te))
if err != nil {
screen.TermMessage(err)
}
if v, ok := val.(lua.LBool); !ok {
return false
} else {
return bool(v)
}
})
}
return action
}
// BufMapEvent maps an event to an action
func BufMapEvent(k Event, action string) {
config.Bindings["buffer"][k.Name()] = action
var actionfns []BufAction
var names []string
var types []byte
for i := 0; ; i++ {
if action == "" {
break
}
// TODO: fix problem when complex bindings have these
// characters (escape them?)
idx := strings.IndexAny(action, "&|,")
a := action
if idx >= 0 {
a = action[:idx]
types = append(types, action[idx])
action = action[idx+1:]
} else {
types = append(types, ' ')
action = ""
}
var afn BufAction
if strings.HasPrefix(a, "command:") {
a = strings.SplitN(a, ":", 2)[1]
afn = CommandAction(a)
names = append(names, "")
} else if strings.HasPrefix(a, "command-edit:") {
a = strings.SplitN(a, ":", 2)[1]
afn = CommandEditAction(a)
names = append(names, "")
} else if strings.HasPrefix(a, "lua:") {
a = strings.SplitN(a, ":", 2)[1]
afn = LuaAction(a, k)
if afn == nil {
screen.TermMessage("Lua Error:", a, "does not exist")
continue
}
split := strings.SplitN(a, ".", 2)
if len(split) > 1 {
a = strings.Title(split[0]) + strings.Title(split[1])
} else {
a = strings.Title(a)
}
names = append(names, a)
} else if f, ok := BufKeyActions[a]; ok {
afn = f
names = append(names, a)
} else if f, ok := BufMouseActions[a]; ok {
afn = f
names = append(names, a)
} else {
screen.TermMessage("Error in bindings: action", a, "does not exist")
continue
}
actionfns = append(actionfns, afn)
}
bufAction := func(h *BufPane, te *tcell.EventMouse) bool {
cursors := h.Buf.GetCursors()
success := true
for i, a := range actionfns {
innerSuccess := true
for j, c := range cursors {
if c == nil {
continue
}
h.Buf.SetCurCursor(c.Num)
h.Cursor = c
if i == 0 || (success && types[i-1] == '&') || (!success && types[i-1] == '|') || (types[i-1] == ',') {
innerSuccess = innerSuccess && h.execAction(a, names[i], j, te)
} else {
break
}
}
// if the action changed the current pane, update the reference
h = MainTab().CurPane()
success = innerSuccess
if h == nil {
// stop, in case the current pane is not a BufPane
break
}
}
return true
}
switch e := k.(type) {
case KeyEvent, KeySequenceEvent, RawEvent:
BufBindings.RegisterKeyBinding(e, BufKeyActionGeneral(func(h *BufPane) bool {
return bufAction(h, nil)
}))
case MouseEvent:
BufBindings.RegisterMouseBinding(e, BufMouseActionGeneral(bufAction))
}
}
// BufUnmap unmaps a key or mouse event from any action
func BufUnmap(k Event) {
// TODO
// delete(BufKeyBindings, k)
//
// switch e := k.(type) {
// case MouseEvent:
// delete(BufMouseBindings, e)
// }
}
// The BufPane connects the buffer and the window
// It provides a cursor (or multiple) and defines a set of actions
// that can be taken on the buffer
// The ActionHandler can access the window for necessary info about
// visual positions for mouse clicks and scrolling
type BufPane struct {
display.BWindow
// Buf is the buffer this BufPane views
Buf *buffer.Buffer
// Bindings stores the association of key events and actions
bindings *KeyTree
// Cursor is the currently active buffer cursor
Cursor *buffer.Cursor
// Since tcell doesn't differentiate between a mouse press event
// and a mouse move event with button pressed (nor between a mouse
// release event and a mouse move event with no buttons pressed),
// we need to keep track of whether or not the mouse was previously
// pressed, to determine mouse release and mouse drag events.
// Moreover, since in case of a release event tcell doesn't tell us
// which button was released, we need to keep track of which
// (possibly multiple) buttons were pressed previously.
mousePressed map[MouseEvent]bool
// We need to keep track of insert key press toggle
isOverwriteMode bool
// This stores when the last click was
// This is useful for detecting double and triple clicks
lastClickTime time.Time
lastLoc buffer.Loc
// lastCutTime stores when the last ctrl+k was issued.
// It is used for clearing the clipboard to replace it with fresh cut lines.
lastCutTime time.Time
// freshClip returns true if the clipboard has never been pasted.
freshClip bool
// Was the last mouse event actually a double click?
// Useful for detecting triple clicks -- if a double click is detected
// but the last mouse event was actually a double click, it's a triple click
doubleClick bool
// Same here, just to keep track for mouse move events
tripleClick bool
// Should the current multiple cursor selection search based on word or
// based on selection (false for selection, true for word)
multiWord bool
splitID uint64
tab *Tab
// remember original location of a search in case the search is canceled
searchOrig buffer.Loc
// The pane may not yet be fully initialized after its creation
// since we may not know the window geometry yet. In such case we finish
// its initialization a bit later, after the initial resize.
initialized bool
}
func newBufPane(buf *buffer.Buffer, win display.BWindow, tab *Tab) *BufPane {
h := new(BufPane)
h.Buf = buf
h.BWindow = win
h.tab = tab
h.Cursor = h.Buf.GetActiveCursor()
h.mousePressed = make(map[MouseEvent]bool)
return h
}
// NewBufPane creates a new buffer pane with the given window.
func NewBufPane(buf *buffer.Buffer, win display.BWindow, tab *Tab) *BufPane {
h := newBufPane(buf, win, tab)
h.finishInitialize()
return h
}
// NewBufPaneFromBuf constructs a new pane from the given buffer and automatically
// creates a buf window.
func NewBufPaneFromBuf(buf *buffer.Buffer, tab *Tab) *BufPane {
w := display.NewBufWindow(0, 0, 0, 0, buf)
h := newBufPane(buf, w, tab)
// Postpone finishing initializing the pane until we know the actual geometry
// of the buf window.
return h
}
// TODO: make sure splitID and tab are set before finishInitialize is called
func (h *BufPane) finishInitialize() {
h.initialRelocate()
h.initialized = true
err := config.RunPluginFn("onBufPaneOpen", luar.New(ulua.L, h))
if err != nil {
screen.TermMessage(err)
}
}
// Resize resizes the pane
func (h *BufPane) Resize(width, height int) {
h.BWindow.Resize(width, height)
if !h.initialized {
h.finishInitialize()
}
}
// SetTab sets this pane's tab.
func (h *BufPane) SetTab(t *Tab) {
h.tab = t
}
// Tab returns this pane's tab.
func (h *BufPane) Tab() *Tab {
return h.tab
}
func (h *BufPane) ResizePane(size int) {
n := h.tab.GetNode(h.splitID)
n.ResizeSplit(size)
h.tab.Resize()
}
// PluginCB calls all plugin callbacks with a certain name and displays an
// error if there is one and returns the aggregate boolean response
func (h *BufPane) PluginCB(cb string) bool {
b, err := config.RunPluginFnBool(h.Buf.Settings, cb, luar.New(ulua.L, h))
if err != nil {
screen.TermMessage(err)
}
return b
}
// PluginCBRune is the same as PluginCB but also passes a rune to the plugins
func (h *BufPane) PluginCBRune(cb string, r rune) bool {
b, err := config.RunPluginFnBool(h.Buf.Settings, cb, luar.New(ulua.L, h), luar.New(ulua.L, string(r)))
if err != nil {
screen.TermMessage(err)
}
return b
}
func (h *BufPane) resetMouse() {
for me := range h.mousePressed {
delete(h.mousePressed, me)
}
}
// OpenBuffer opens the given buffer in this pane.
func (h *BufPane) OpenBuffer(b *buffer.Buffer) {
h.Buf.Close()
h.Buf = b
h.BWindow.SetBuffer(b)
h.Cursor = b.GetActiveCursor()
h.Resize(h.GetView().Width, h.GetView().Height)
h.initialRelocate()
// Set mouseReleased to true because we assume the mouse is not being
// pressed when the editor is opened
h.resetMouse()
// Set isOverwriteMode to false, because we assume we are in the default
// mode when editor is opened
h.isOverwriteMode = false
h.lastClickTime = time.Time{}
}
// GotoLoc moves the cursor to a new location and adjusts the view accordingly.
// Use GotoLoc when the new location may be far away from the current location.
func (h *BufPane) GotoLoc(loc buffer.Loc) {
sloc := h.SLocFromLoc(loc)
d := h.Diff(h.SLocFromLoc(h.Cursor.Loc), sloc)
h.Cursor.GotoLoc(loc)
// If the new location is far away from the previous one,
// ensure the cursor is at 25% of the window height
height := h.BufView().Height
if util.Abs(d) >= height {
v := h.GetView()
v.StartLine = h.Scroll(sloc, -height/4)
h.ScrollAdjust()
v.StartCol = 0
}
h.Relocate()
}
func (h *BufPane) initialRelocate() {
sloc := h.SLocFromLoc(h.Cursor.Loc)
height := h.BufView().Height
// If the initial cursor location is far away from the beginning
// of the buffer, ensure the cursor is at 25% of the window height
v := h.GetView()
if h.Diff(display.SLoc{0, 0}, sloc) < height {
v.StartLine = display.SLoc{0, 0}
} else {
v.StartLine = h.Scroll(sloc, -height/4)
h.ScrollAdjust()
}
v.StartCol = 0
h.Relocate()
}
// ID returns this pane's split id.
func (h *BufPane) ID() uint64 {
return h.splitID
}
// SetID sets the split ID of this pane.
func (h *BufPane) SetID(i uint64) {
h.splitID = i
}
// Name returns the BufPane's name.
func (h *BufPane) Name() string {
n := h.Buf.GetName()
if h.Buf.Modified() {
n += " +"
}
return n
}
// ReOpen reloads the file opened in the bufpane from disk
func (h *BufPane) ReOpen() {
h.Buf.ReOpen()
h.Relocate()
}
func (h *BufPane) getReloadSetting() string {
reloadSetting := h.Buf.Settings["reload"]
return reloadSetting.(string)
}
// HandleEvent executes the tcell event properly
func (h *BufPane) HandleEvent(event tcell.Event) {
if h.Buf.ExternallyModified() && !h.Buf.ReloadDisabled {
reload := h.getReloadSetting()
if reload == "prompt" {
InfoBar.YNPrompt("The file on disk has changed. Reload file? (y,n,esc)", func(yes, canceled bool) {
if canceled {
h.Buf.DisableReload()
}
if !yes || canceled {
h.Buf.UpdateModTime()
} else {
h.ReOpen()
}
})
} else if reload == "auto" {
h.ReOpen()
} else if reload == "disabled" {
h.Buf.DisableReload()
} else {
InfoBar.Message("Invalid reload setting")
}
}
switch e := event.(type) {
case *tcell.EventRaw:
re := RawEvent{
esc: e.EscSeq(),
}
h.DoKeyEvent(re)
case *tcell.EventPaste:
h.paste(e.Text())
h.Relocate()
case *tcell.EventKey:
ke := KeyEvent{
code: e.Key(),
mod: metaToAlt(e.Modifiers()),
r: e.Rune(),
}
done := h.DoKeyEvent(ke)
if !done && e.Key() == tcell.KeyRune {
h.DoRuneInsert(e.Rune())
}
case *tcell.EventMouse:
if e.Buttons() != tcell.ButtonNone {
me := MouseEvent{
btn: e.Buttons(),
mod: metaToAlt(e.Modifiers()),
state: MousePress,
}
isDrag := len(h.mousePressed) > 0
if e.Buttons() & ^(tcell.WheelUp|tcell.WheelDown|tcell.WheelLeft|tcell.WheelRight) != tcell.ButtonNone {
h.mousePressed[me] = true
}
if isDrag {
me.state = MouseDrag
}
h.DoMouseEvent(me, e)
} else {
// Mouse event with no click - mouse was just released.
// If there were multiple mouse buttons pressed, we don't know which one
// was actually released, so we assume they all were released.
pressed := len(h.mousePressed) > 0
for me := range h.mousePressed {
delete(h.mousePressed, me)
me.state = MouseRelease
h.DoMouseEvent(me, e)
}
if !pressed {
// Propagate the mouse release in case the press wasn't for this BufPane
Tabs.ResetMouse()
}
}
}
h.Buf.MergeCursors()
if h.IsActive() {
// Display any gutter messages for this line
c := h.Buf.GetActiveCursor()
none := true
for _, m := range h.Buf.Messages {
if c.Y == m.Start.Y || c.Y == m.End.Y {
InfoBar.GutterMessage(m.Msg)
none = false
break
}
}
if none && InfoBar.HasGutter {
InfoBar.ClearGutter()
}
}
cursors := h.Buf.GetCursors()
for _, c := range cursors {
if c.NewTrailingWsY != c.Y && (!c.HasSelection() ||
(c.NewTrailingWsY != c.CurSelection[0].Y && c.NewTrailingWsY != c.CurSelection[1].Y)) {
c.NewTrailingWsY = -1
}
}
}
// Bindings returns the current bindings tree for this buffer.
func (h *BufPane) Bindings() *KeyTree {
if h.bindings != nil {
return h.bindings
}
return BufBindings
}
// DoKeyEvent executes a key event by finding the action it is bound
// to and executing it (possibly multiple times for multiple cursors).
// Returns true if the action was executed OR if there are more keys
// remaining to process before executing an action (if this is a key
// sequence event). Returns false if no action found.
func (h *BufPane) DoKeyEvent(e Event) bool {
binds := h.Bindings()
action, more := binds.NextEvent(e, nil)
if action != nil && !more {
action(h)
binds.ResetEvents()
return true
} else if action == nil && !more {
binds.ResetEvents()
}
return more
}
func (h *BufPane) execAction(action BufAction, name string, cursor int, te *tcell.EventMouse) bool {
if name != "Autocomplete" && name != "CycleAutocompleteBack" {
h.Buf.HasSuggestions = false
}
_, isMulti := MultiActions[name]
if (!isMulti && cursor == 0) || isMulti {
if h.PluginCB("pre" + name) {
var success bool
switch a := action.(type) {
case BufKeyAction:
success = a(h)
case BufMouseAction:
success = a(h, te)
}
success = success && h.PluginCB("on"+name)
if isMulti {
if recordingMacro {
if name != "ToggleMacro" && name != "PlayMacro" {
curmacro = append(curmacro, action)
}
}
}
return success
}
}
return false
}
func (h *BufPane) completeAction(action string) {
h.PluginCB("on" + action)
}
func (h *BufPane) HasKeyEvent(e Event) bool {
// TODO
return true
// _, ok := BufKeyBindings[e]
// return ok
}
// DoMouseEvent executes a mouse event by finding the action it is bound
// to and executing it
func (h *BufPane) DoMouseEvent(e MouseEvent, te *tcell.EventMouse) bool {
binds := h.Bindings()
action, _ := binds.NextEvent(e, te)
if action != nil {
action(h)
binds.ResetEvents()
return true
}
// TODO
return false
// if action, ok := BufMouseBindings[e]; ok {
// if action(h, te) {
// h.Relocate()
// }
// return true
// } else if h.HasKeyEvent(e) {
// return h.DoKeyEvent(e)
// }
// return false
}
// DoRuneInsert inserts a given rune into the current buffer
// (possibly multiple times for multiple cursors)
func (h *BufPane) DoRuneInsert(r rune) {
cursors := h.Buf.GetCursors()
for _, c := range cursors {
// Insert a character
h.Buf.SetCurCursor(c.Num)
h.Cursor = c
if !h.PluginCBRune("preRune", r) {
continue
}
if c.HasSelection() {
c.DeleteSelection()
c.ResetSelection()
}
if h.isOverwriteMode {
next := c.Loc
next.X++
h.Buf.Replace(c.Loc, next, string(r))
} else {
h.Buf.Insert(c.Loc, string(r))
}
if recordingMacro {
curmacro = append(curmacro, r)
}
h.Relocate()
h.PluginCBRune("onRune", r)
}
}
// VSplitIndex opens the given buffer in a vertical split on the given side.
func (h *BufPane) VSplitIndex(buf *buffer.Buffer, right bool) *BufPane {
e := NewBufPaneFromBuf(buf, h.tab)
e.splitID = MainTab().GetNode(h.splitID).VSplit(right)
MainTab().Panes = append(MainTab().Panes, e)
MainTab().Resize()
MainTab().SetActive(len(MainTab().Panes) - 1)
return e
}
// HSplitIndex opens the given buffer in a horizontal split on the given side.
func (h *BufPane) HSplitIndex(buf *buffer.Buffer, bottom bool) *BufPane {
e := NewBufPaneFromBuf(buf, h.tab)
e.splitID = MainTab().GetNode(h.splitID).HSplit(bottom)
MainTab().Panes = append(MainTab().Panes, e)
MainTab().Resize()
MainTab().SetActive(len(MainTab().Panes) - 1)
return e
}
// VSplitBuf opens the given buffer in a new vertical split.
func (h *BufPane) VSplitBuf(buf *buffer.Buffer) *BufPane {
return h.VSplitIndex(buf, h.Buf.Settings["splitright"].(bool))
}
// HSplitBuf opens the given buffer in a new horizontal split.
func (h *BufPane) HSplitBuf(buf *buffer.Buffer) *BufPane {
return h.HSplitIndex(buf, h.Buf.Settings["splitbottom"].(bool))
}
// Close this pane.
func (h *BufPane) Close() {
h.Buf.Close()
}
// SetActive marks this pane as active.
func (h *BufPane) SetActive(b bool) {
if h.IsActive() == b {
return
}
h.BWindow.SetActive(b)
if b {
// Display any gutter messages for this line
c := h.Buf.GetActiveCursor()
none := true
for _, m := range h.Buf.Messages {
if c.Y == m.Start.Y || c.Y == m.End.Y {
InfoBar.GutterMessage(m.Msg)
none = false
break
}
}
if none && InfoBar.HasGutter {
InfoBar.ClearGutter()
}
err := config.RunPluginFn("onSetActive", luar.New(ulua.L, h))
if err != nil {
screen.TermMessage(err)
}
}
}
// BufKeyActions contains the list of all possible key actions the bufhandler could execute
var BufKeyActions = map[string]BufKeyAction{
"CursorUp": (*BufPane).CursorUp,
"CursorDown": (*BufPane).CursorDown,
"CursorPageUp": (*BufPane).CursorPageUp,
"CursorPageDown": (*BufPane).CursorPageDown,
"CursorLeft": (*BufPane).CursorLeft,
"CursorRight": (*BufPane).CursorRight,
"CursorStart": (*BufPane).CursorStart,
"CursorEnd": (*BufPane).CursorEnd,
"SelectToStart": (*BufPane).SelectToStart,
"SelectToEnd": (*BufPane).SelectToEnd,
"SelectUp": (*BufPane).SelectUp,
"SelectDown": (*BufPane).SelectDown,
"SelectLeft": (*BufPane).SelectLeft,
"SelectRight": (*BufPane).SelectRight,
"WordRight": (*BufPane).WordRight,
"WordLeft": (*BufPane).WordLeft,
"SubWordRight": (*BufPane).SubWordRight,
"SubWordLeft": (*BufPane).SubWordLeft,
"SelectWordRight": (*BufPane).SelectWordRight,
"SelectWordLeft": (*BufPane).SelectWordLeft,
"SelectSubWordRight": (*BufPane).SelectSubWordRight,
"SelectSubWordLeft": (*BufPane).SelectSubWordLeft,
"DeleteWordRight": (*BufPane).DeleteWordRight,
"DeleteWordLeft": (*BufPane).DeleteWordLeft,
"DeleteSubWordRight": (*BufPane).DeleteSubWordRight,
"DeleteSubWordLeft": (*BufPane).DeleteSubWordLeft,
"SelectLine": (*BufPane).SelectLine,
"SelectToStartOfLine": (*BufPane).SelectToStartOfLine,
"SelectToStartOfText": (*BufPane).SelectToStartOfText,
"SelectToStartOfTextToggle": (*BufPane).SelectToStartOfTextToggle,
"SelectToEndOfLine": (*BufPane).SelectToEndOfLine,
"ParagraphPrevious": (*BufPane).ParagraphPrevious,
"ParagraphNext": (*BufPane).ParagraphNext,
"InsertNewline": (*BufPane).InsertNewline,
"Backspace": (*BufPane).Backspace,
"Delete": (*BufPane).Delete,
"InsertTab": (*BufPane).InsertTab,
"Save": (*BufPane).Save,
"SaveAll": (*BufPane).SaveAll,
"SaveAs": (*BufPane).SaveAs,
"Find": (*BufPane).Find,
"FindLiteral": (*BufPane).FindLiteral,
"FindNext": (*BufPane).FindNext,
"FindPrevious": (*BufPane).FindPrevious,
"DiffNext": (*BufPane).DiffNext,
"DiffPrevious": (*BufPane).DiffPrevious,
"Center": (*BufPane).Center,
"Undo": (*BufPane).Undo,
"Redo": (*BufPane).Redo,
"Copy": (*BufPane).Copy,
"CopyLine": (*BufPane).CopyLine,
"Cut": (*BufPane).Cut,
"CutLine": (*BufPane).CutLine,
"DuplicateLine": (*BufPane).DuplicateLine,
"DeleteLine": (*BufPane).DeleteLine,
"MoveLinesUp": (*BufPane).MoveLinesUp,
"MoveLinesDown": (*BufPane).MoveLinesDown,
"IndentSelection": (*BufPane).IndentSelection,
"OutdentSelection": (*BufPane).OutdentSelection,
"Autocomplete": (*BufPane).Autocomplete,
"CycleAutocompleteBack": (*BufPane).CycleAutocompleteBack,
"OutdentLine": (*BufPane).OutdentLine,
"IndentLine": (*BufPane).IndentLine,
"Paste": (*BufPane).Paste,
"PastePrimary": (*BufPane).PastePrimary,
"SelectAll": (*BufPane).SelectAll,
"OpenFile": (*BufPane).OpenFile,
"Start": (*BufPane).Start,
"End": (*BufPane).End,
"PageUp": (*BufPane).PageUp,
"PageDown": (*BufPane).PageDown,
"SelectPageUp": (*BufPane).SelectPageUp,
"SelectPageDown": (*BufPane).SelectPageDown,
"HalfPageUp": (*BufPane).HalfPageUp,
"HalfPageDown": (*BufPane).HalfPageDown,
"StartOfText": (*BufPane).StartOfText,
"StartOfTextToggle": (*BufPane).StartOfTextToggle,
"StartOfLine": (*BufPane).StartOfLine,
"EndOfLine": (*BufPane).EndOfLine,
"ToggleHelp": (*BufPane).ToggleHelp,
"ToggleKeyMenu": (*BufPane).ToggleKeyMenu,
"ToggleDiffGutter": (*BufPane).ToggleDiffGutter,
"ToggleRuler": (*BufPane).ToggleRuler,
"ToggleHighlightSearch": (*BufPane).ToggleHighlightSearch,
"UnhighlightSearch": (*BufPane).UnhighlightSearch,
"ClearStatus": (*BufPane).ClearStatus,
"ShellMode": (*BufPane).ShellMode,
"CommandMode": (*BufPane).CommandMode,
"ToggleOverwriteMode": (*BufPane).ToggleOverwriteMode,
"Escape": (*BufPane).Escape,
"Quit": (*BufPane).Quit,
"QuitAll": (*BufPane).QuitAll,
"ForceQuit": (*BufPane).ForceQuit,
"AddTab": (*BufPane).AddTab,
"PreviousTab": (*BufPane).PreviousTab,
"NextTab": (*BufPane).NextTab,
"NextSplit": (*BufPane).NextSplit,
"PreviousSplit": (*BufPane).PreviousSplit,
"Unsplit": (*BufPane).Unsplit,
"VSplit": (*BufPane).VSplitAction,
"HSplit": (*BufPane).HSplitAction,
"ToggleMacro": (*BufPane).ToggleMacro,
"PlayMacro": (*BufPane).PlayMacro,
"Suspend": (*BufPane).Suspend,
"ScrollUp": (*BufPane).ScrollUpAction,
"ScrollDown": (*BufPane).ScrollDownAction,
"SpawnMultiCursor": (*BufPane).SpawnMultiCursor,
"SpawnMultiCursorUp": (*BufPane).SpawnMultiCursorUp,
"SpawnMultiCursorDown": (*BufPane).SpawnMultiCursorDown,
"SpawnMultiCursorSelect": (*BufPane).SpawnMultiCursorSelect,
"RemoveMultiCursor": (*BufPane).RemoveMultiCursor,
"RemoveAllMultiCursors": (*BufPane).RemoveAllMultiCursors,
"SkipMultiCursor": (*BufPane).SkipMultiCursor,
"JumpToMatchingBrace": (*BufPane).JumpToMatchingBrace,
"JumpLine": (*BufPane).JumpLine,
"Deselect": (*BufPane).Deselect,
"ClearInfo": (*BufPane).ClearInfo,
"None": (*BufPane).None,
// This was changed to InsertNewline but I don't want to break backwards compatibility
"InsertEnter": (*BufPane).InsertNewline,
}
// BufMouseActions contains the list of all possible mouse actions the bufhandler could execute
var BufMouseActions = map[string]BufMouseAction{
"MousePress": (*BufPane).MousePress,
"MouseDrag": (*BufPane).MouseDrag,
"MouseRelease": (*BufPane).MouseRelease,
"MouseMultiCursor": (*BufPane).MouseMultiCursor,
}
// MultiActions is a list of actions that should be executed multiple
// times if there are multiple cursors (one per cursor)
// Generally actions that modify global editor state like quitting or
// saving should not be included in this list
var MultiActions = map[string]bool{
"CursorUp": true,
"CursorDown": true,
"CursorPageUp": true,
"CursorPageDown": true,
"CursorLeft": true,
"CursorRight": true,
"CursorStart": true,
"CursorEnd": true,
"SelectToStart": true,
"SelectToEnd": true,
"SelectUp": true,
"SelectDown": true,
"SelectLeft": true,
"SelectRight": true,
"WordRight": true,
"WordLeft": true,
"SubWordRight": true,
"SubWordLeft": true,
"SelectWordRight": true,
"SelectWordLeft": true,
"SelectSubWordRight": true,
"SelectSubWordLeft": true,
"DeleteWordRight": true,
"DeleteWordLeft": true,
"DeleteSubWordRight": true,
"DeleteSubWordLeft": true,
"SelectLine": true,
"SelectToStartOfLine": true,
"SelectToStartOfText": true,
"SelectToStartOfTextToggle": true,
"SelectToEndOfLine": true,
"ParagraphPrevious": true,
"ParagraphNext": true,
"InsertNewline": true,
"Backspace": true,
"Delete": true,
"InsertTab": true,
"FindNext": true,
"FindPrevious": true,
"CopyLine": true,
"Copy": true,
"Cut": true,
"CutLine": true,
"DuplicateLine": true,
"DeleteLine": true,
"MoveLinesUp": true,
"MoveLinesDown": true,
"IndentSelection": true,
"OutdentSelection": true,
"OutdentLine": true,
"IndentLine": true,
"Paste": true,
"PastePrimary": true,
"SelectPageUp": true,
"SelectPageDown": true,
"StartOfLine": true,
"StartOfText": true,
"StartOfTextToggle": true,
"EndOfLine": true,
"JumpToMatchingBrace": true,
}

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View file

@ -1,21 +0,0 @@
package action
var termdefaults = map[string]string{
"<Ctrl-q><Ctrl-q>": "Exit",
"<Ctrl-e><Ctrl-e>": "CommandMode",
"<Ctrl-w><Ctrl-w>": "NextSplit",
}
// DefaultBindings returns a map containing micro's default keybindings
func DefaultBindings(pane string) map[string]string {
switch pane {
case "command":
return infodefaults
case "buffer":
return bufdefaults
case "terminal":
return termdefaults
default:
return map[string]string{}
}
}

View file

@ -1,186 +0,0 @@
package action
var bufdefaults = map[string]string{
"Up": "CursorUp",
"Down": "CursorDown",
"Right": "CursorRight",
"Left": "CursorLeft",
"ShiftUp": "SelectUp",
"ShiftDown": "SelectDown",
"ShiftLeft": "SelectLeft",
"ShiftRight": "SelectRight",
"AltLeft": "WordLeft",
"AltRight": "WordRight",
"AltUp": "MoveLinesUp",
"AltDown": "MoveLinesDown",
"AltShiftRight": "SelectWordRight",
"AltShiftLeft": "SelectWordLeft",
"CtrlLeft": "StartOfTextToggle",
"CtrlRight": "EndOfLine",
"CtrlShiftLeft": "SelectToStartOfTextToggle",
"ShiftHome": "SelectToStartOfTextToggle",
"CtrlShiftRight": "SelectToEndOfLine",
"ShiftEnd": "SelectToEndOfLine",
"CtrlUp": "CursorStart",
"CtrlDown": "CursorEnd",
"CtrlShiftUp": "SelectToStart",
"CtrlShiftDown": "SelectToEnd",
"Alt-{": "ParagraphPrevious",
"Alt-}": "ParagraphNext",
"Enter": "InsertNewline",
"CtrlH": "Backspace",
"Backspace": "Backspace",
"OldBackspace": "Backspace",
"Alt-CtrlH": "DeleteWordLeft",
"Alt-Backspace": "DeleteWordLeft",
"Tab": "Autocomplete|IndentSelection|InsertTab",
"Backtab": "CycleAutocompleteBack|OutdentSelection|OutdentLine",
"Ctrl-o": "OpenFile",
"Ctrl-s": "Save",
"Ctrl-f": "Find",
"Alt-F": "FindLiteral",
"Ctrl-n": "FindNext",
"Ctrl-p": "FindPrevious",
"Alt-[": "DiffPrevious|CursorStart",
"Alt-]": "DiffNext|CursorEnd",
"Ctrl-z": "Undo",
"Ctrl-y": "Redo",
"Ctrl-c": "CopyLine|Copy",
"Ctrl-x": "Cut",
"Ctrl-k": "CutLine",
"Ctrl-d": "DuplicateLine",
"Ctrl-v": "Paste",
"Ctrl-a": "SelectAll",
"Ctrl-t": "AddTab",
"Alt-,": "PreviousTab",
"Alt-.": "NextTab",
"Home": "StartOfTextToggle",
"End": "EndOfLine",
"CtrlHome": "CursorStart",
"CtrlEnd": "CursorEnd",
"PageUp": "CursorPageUp",
"PageDown": "CursorPageDown",
"CtrlPageUp": "PreviousTab",
"CtrlPageDown": "NextTab",
"Ctrl-g": "ToggleHelp",
"Alt-g": "ToggleKeyMenu",
"Ctrl-r": "ToggleRuler",
"Ctrl-l": "command-edit:goto ",
"Delete": "Delete",
"Ctrl-b": "ShellMode",
"Ctrl-q": "Quit",
"Ctrl-e": "CommandMode",
"Ctrl-w": "NextSplit",
"Ctrl-u": "ToggleMacro",
"Ctrl-j": "PlayMacro",
"Insert": "ToggleOverwriteMode",
// Emacs-style keybindings
"Alt-f": "WordRight",
"Alt-b": "WordLeft",
"Alt-a": "StartOfText",
"Alt-e": "EndOfLine",
// "Alt-p": "CursorUp",
// "Alt-n": "CursorDown",
// Integration with file managers
"F2": "Save",
"F3": "Find",
"F4": "Quit",
"F7": "Find",
"F10": "Quit",
"Esc": "Escape,Deselect,ClearInfo,RemoveAllMultiCursors,UnhighlightSearch",
// Mouse bindings
"MouseWheelUp": "ScrollUp",
"MouseWheelDown": "ScrollDown",
"MouseLeft": "MousePress",
"MouseLeftDrag": "MouseDrag",
"MouseLeftRelease": "MouseRelease",
"MouseMiddle": "PastePrimary",
"Ctrl-MouseLeft": "MouseMultiCursor",
"Alt-n": "SpawnMultiCursor",
"AltShiftUp": "SpawnMultiCursorUp",
"AltShiftDown": "SpawnMultiCursorDown",
"Alt-m": "SpawnMultiCursorSelect",
"Alt-p": "RemoveMultiCursor",
"Alt-c": "RemoveAllMultiCursors",
"Alt-x": "SkipMultiCursor",
}
var infodefaults = map[string]string{
"Up": "HistoryUp",
"Down": "HistoryDown",
"Right": "CursorRight",
"Left": "CursorLeft",
"ShiftUp": "SelectUp",
"ShiftDown": "SelectDown",
"ShiftLeft": "SelectLeft",
"ShiftRight": "SelectRight",
"AltLeft": "WordLeft",
"AltRight": "WordRight",
"AltUp": "CursorStart",
"AltDown": "CursorEnd",
"AltShiftRight": "SelectWordRight",
"AltShiftLeft": "SelectWordLeft",
"CtrlLeft": "StartOfTextToggle",
"CtrlRight": "EndOfLine",
"CtrlShiftLeft": "SelectToStartOfTextToggle",
"ShiftHome": "SelectToStartOfTextToggle",
"CtrlShiftRight": "SelectToEndOfLine",
"ShiftEnd": "SelectToEndOfLine",
"CtrlUp": "CursorStart",
"CtrlDown": "CursorEnd",
"CtrlShiftUp": "SelectToStart",
"CtrlShiftDown": "SelectToEnd",
"Enter": "ExecuteCommand",
"CtrlH": "Backspace",
"Backspace": "Backspace",
"OldBackspace": "Backspace",
"Alt-CtrlH": "DeleteWordLeft",
"Alt-Backspace": "DeleteWordLeft",
"Tab": "CommandComplete",
"Backtab": "CycleAutocompleteBack",
"Ctrl-z": "Undo",
"Ctrl-y": "Redo",
"Ctrl-c": "CopyLine|Copy",
"Ctrl-x": "Cut",
"Ctrl-k": "CutLine",
"Ctrl-v": "Paste",
"Home": "StartOfTextToggle",
"End": "EndOfLine",
"CtrlHome": "CursorStart",
"CtrlEnd": "CursorEnd",
"Delete": "Delete",
"Ctrl-q": "AbortCommand",
"Ctrl-e": "EndOfLine",
"Ctrl-a": "StartOfLine",
"Ctrl-w": "DeleteWordLeft",
"Insert": "ToggleOverwriteMode",
"Ctrl-b": "WordLeft",
"Ctrl-f": "WordRight",
"Ctrl-d": "DeleteWordLeft",
"Ctrl-m": "ExecuteCommand",
"Ctrl-n": "HistoryDown",
"Ctrl-p": "HistoryUp",
"Ctrl-u": "SelectToStart",
// Emacs-style keybindings
"Alt-f": "WordRight",
"Alt-b": "WordLeft",
"Alt-a": "StartOfText",
"Alt-e": "EndOfLine",
// Integration with file managers
"F10": "AbortCommand",
"Esc": "AbortCommand",
// Mouse bindings
"MouseWheelUp": "HistoryUp",
"MouseWheelDown": "HistoryDown",
"MouseLeft": "MousePress",
"MouseLeftDrag": "MouseDrag",
"MouseLeftRelease": "MouseRelease",
"MouseMiddle": "PastePrimary",
}

View file

@ -1,189 +0,0 @@
//go:build !darwin
// +build !darwin
package action
var bufdefaults = map[string]string{
"Up": "CursorUp",
"Down": "CursorDown",
"Right": "CursorRight",
"Left": "CursorLeft",
"ShiftUp": "SelectUp",
"ShiftDown": "SelectDown",
"ShiftLeft": "SelectLeft",
"ShiftRight": "SelectRight",
"CtrlLeft": "WordLeft",
"CtrlRight": "WordRight",
"AltUp": "MoveLinesUp",
"AltDown": "MoveLinesDown",
"CtrlShiftRight": "SelectWordRight",
"CtrlShiftLeft": "SelectWordLeft",
"AltLeft": "StartOfTextToggle",
"AltRight": "EndOfLine",
"AltShiftLeft": "SelectToStartOfTextToggle",
"ShiftHome": "SelectToStartOfTextToggle",
"AltShiftRight": "SelectToEndOfLine",
"ShiftEnd": "SelectToEndOfLine",
"CtrlUp": "CursorStart",
"CtrlDown": "CursorEnd",
"CtrlShiftUp": "SelectToStart",
"CtrlShiftDown": "SelectToEnd",
"Alt-{": "ParagraphPrevious",
"Alt-}": "ParagraphNext",
"Enter": "InsertNewline",
"CtrlH": "Backspace",
"Backspace": "Backspace",
"OldBackspace": "Backspace",
"Alt-CtrlH": "DeleteWordLeft",
"Alt-Backspace": "DeleteWordLeft",
"Tab": "Autocomplete|IndentSelection|InsertTab",
"Backtab": "CycleAutocompleteBack|OutdentSelection|OutdentLine",
"Ctrl-o": "OpenFile",
"Ctrl-s": "Save",
"Ctrl-f": "Find",
"Alt-F": "FindLiteral",
"Ctrl-n": "FindNext",
"Ctrl-p": "FindPrevious",
"Alt-[": "DiffPrevious|CursorStart",
"Alt-]": "DiffNext|CursorEnd",
"Ctrl-z": "Undo",
"Ctrl-y": "Redo",
"Ctrl-c": "CopyLine|Copy",
"Ctrl-x": "Cut",
"Ctrl-k": "CutLine",
"Ctrl-d": "DuplicateLine",
"Ctrl-v": "Paste",
"Ctrl-a": "SelectAll",
"Ctrl-t": "AddTab",
"Alt-,": "PreviousTab",
"Alt-.": "NextTab",
"Home": "StartOfTextToggle",
"End": "EndOfLine",
"CtrlHome": "CursorStart",
"CtrlEnd": "CursorEnd",
"PageUp": "CursorPageUp",
"PageDown": "CursorPageDown",
"CtrlPageUp": "PreviousTab",
"CtrlPageDown": "NextTab",
"Ctrl-g": "ToggleHelp",
"Alt-g": "ToggleKeyMenu",
"Ctrl-r": "ToggleRuler",
"Ctrl-l": "command-edit:goto ",
"Delete": "Delete",
"Ctrl-b": "ShellMode",
"Ctrl-q": "Quit",
"Ctrl-e": "CommandMode",
"Ctrl-w": "NextSplit",
"Ctrl-u": "ToggleMacro",
"Ctrl-j": "PlayMacro",
"Insert": "ToggleOverwriteMode",
// Emacs-style keybindings
"Alt-f": "WordRight",
"Alt-b": "WordLeft",
"Alt-a": "StartOfText",
"Alt-e": "EndOfLine",
// "Alt-p": "CursorUp",
// "Alt-n": "CursorDown",
// Integration with file managers
"F2": "Save",
"F3": "Find",
"F4": "Quit",
"F7": "Find",
"F10": "Quit",
"Esc": "Escape,Deselect,ClearInfo,RemoveAllMultiCursors,UnhighlightSearch",
// Mouse bindings
"MouseWheelUp": "ScrollUp",
"MouseWheelDown": "ScrollDown",
"MouseLeft": "MousePress",
"MouseLeftDrag": "MouseDrag",
"MouseLeftRelease": "MouseRelease",
"MouseMiddle": "PastePrimary",
"Ctrl-MouseLeft": "MouseMultiCursor",
"Alt-n": "SpawnMultiCursor",
"Alt-m": "SpawnMultiCursorSelect",
"AltShiftUp": "SpawnMultiCursorUp",
"AltShiftDown": "SpawnMultiCursorDown",
"Alt-p": "RemoveMultiCursor",
"Alt-c": "RemoveAllMultiCursors",
"Alt-x": "SkipMultiCursor",
}
var infodefaults = map[string]string{
"Up": "HistoryUp",
"Down": "HistoryDown",
"Right": "CursorRight",
"Left": "CursorLeft",
"ShiftUp": "SelectUp",
"ShiftDown": "SelectDown",
"ShiftLeft": "SelectLeft",
"ShiftRight": "SelectRight",
"AltLeft": "StartOfTextToggle",
"AltRight": "EndOfLine",
"AltUp": "CursorStart",
"AltDown": "CursorEnd",
"AltShiftRight": "SelectWordRight",
"AltShiftLeft": "SelectWordLeft",
"CtrlLeft": "WordLeft",
"CtrlRight": "WordRight",
"CtrlShiftLeft": "SelectToStartOfTextToggle",
"ShiftHome": "SelectToStartOfTextToggle",
"CtrlShiftRight": "SelectToEndOfLine",
"ShiftEnd": "SelectToEndOfLine",
"CtrlUp": "CursorStart",
"CtrlDown": "CursorEnd",
"CtrlShiftUp": "SelectToStart",
"CtrlShiftDown": "SelectToEnd",
"Enter": "ExecuteCommand",
"CtrlH": "Backspace",
"Backspace": "Backspace",
"OldBackspace": "Backspace",
"Alt-CtrlH": "DeleteWordLeft",
"Alt-Backspace": "DeleteWordLeft",
"Tab": "CommandComplete",
"Backtab": "CycleAutocompleteBack",
"Ctrl-z": "Undo",
"Ctrl-y": "Redo",
"Ctrl-c": "CopyLine|Copy",
"Ctrl-x": "Cut",
"Ctrl-k": "CutLine",
"Ctrl-v": "Paste",
"Home": "StartOfTextToggle",
"End": "EndOfLine",
"CtrlHome": "CursorStart",
"CtrlEnd": "CursorEnd",
"Delete": "Delete",
"Ctrl-q": "AbortCommand",
"Ctrl-e": "EndOfLine",
"Ctrl-a": "StartOfLine",
"Ctrl-w": "DeleteWordLeft",
"Insert": "ToggleOverwriteMode",
"Ctrl-b": "WordLeft",
"Ctrl-f": "WordRight",
"Ctrl-d": "DeleteWordLeft",
"Ctrl-m": "ExecuteCommand",
"Ctrl-n": "HistoryDown",
"Ctrl-p": "HistoryUp",
"Ctrl-u": "SelectToStart",
// Emacs-style keybindings
"Alt-f": "WordRight",
"Alt-b": "WordLeft",
"Alt-a": "StartOfText",
"Alt-e": "EndOfLine",
// Integration with file managers
"F10": "AbortCommand",
"Esc": "AbortCommand",
// Mouse bindings
"MouseWheelUp": "HistoryUp",
"MouseWheelDown": "HistoryDown",
"MouseLeft": "MousePress",
"MouseLeftDrag": "MouseDrag",
"MouseLeftRelease": "MouseRelease",
"MouseMiddle": "PastePrimary",
}

View file

@ -1,181 +0,0 @@
package action
import (
"bytes"
"errors"
"fmt"
"strings"
"github.com/zyedidia/tcell/v2"
)
type Event interface {
Name() string
}
// RawEvent is simply an escape code
// We allow users to directly bind escape codes
// to get around some of a limitations of terminals
type RawEvent struct {
esc string
}
func (r RawEvent) Name() string {
return r.esc
}
// KeyEvent is a key event containing a key code,
// some possible modifiers (alt, ctrl, etc...) and
// a rune if it was simply a character press
// Note: to be compatible with tcell events,
// for ctrl keys r=code
type KeyEvent struct {
code tcell.Key
mod tcell.ModMask
r rune
any bool
}
func metaToAlt(mod tcell.ModMask) tcell.ModMask {
if mod&tcell.ModMeta != 0 {
mod &= ^tcell.ModMeta
mod |= tcell.ModAlt
}
return mod
}
func (k KeyEvent) Name() string {
if k.any {
return "<any>"
}
s := ""
m := []string{}
if k.mod&tcell.ModShift != 0 {
m = append(m, "Shift")
}
if k.mod&tcell.ModAlt != 0 {
m = append(m, "Alt")
}
if k.mod&tcell.ModMeta != 0 {
m = append(m, "Meta")
}
if k.mod&tcell.ModCtrl != 0 {
m = append(m, "Ctrl")
}
ok := false
if s, ok = tcell.KeyNames[k.code]; !ok {
if k.code == tcell.KeyRune {
s = string(k.r)
} else {
s = fmt.Sprintf("Key[%d,%d]", k.code, int(k.r))
}
}
if len(m) != 0 {
if k.mod&tcell.ModCtrl != 0 && strings.HasPrefix(s, "Ctrl-") {
s = s[5:]
if len(s) == 1 {
s = strings.ToLower(s)
}
}
return fmt.Sprintf("%s-%s", strings.Join(m, "-"), s)
}
return s
}
// A KeySequence defines a list of consecutive
// events. All events in the sequence must be KeyEvents
// or MouseEvents.
type KeySequenceEvent struct {
keys []Event
}
func (k KeySequenceEvent) Name() string {
buf := bytes.Buffer{}
for _, e := range k.keys {
buf.WriteByte('<')
buf.WriteString(e.Name())
buf.WriteByte('>')
}
return buf.String()
}
type MouseState int
const (
MousePress = iota
MouseDrag
MouseRelease
)
// MouseEvent is a mouse event with a mouse button and
// any possible key modifiers
type MouseEvent struct {
btn tcell.ButtonMask
mod tcell.ModMask
state MouseState
}
func (m MouseEvent) Name() string {
mod := ""
if m.mod&tcell.ModShift != 0 {
mod = "Shift-"
}
if m.mod&tcell.ModAlt != 0 {
mod = "Alt-"
}
if m.mod&tcell.ModMeta != 0 {
mod = "Meta-"
}
if m.mod&tcell.ModCtrl != 0 {
mod = "Ctrl-"
}
state := ""
switch m.state {
case MouseDrag:
state = "Drag"
case MouseRelease:
state = "Release"
}
for k, v := range mouseEvents {
if v == m.btn {
return fmt.Sprintf("%s%s%s", mod, k, state)
}
}
return ""
}
// ConstructEvent takes a tcell event and returns a micro
// event. Note that tcell events can't express certain
// micro events such as key sequences. This function is
// mostly used for debugging/raw panes or constructing
// intermediate micro events while parsing a sequence.
func ConstructEvent(event tcell.Event) (Event, error) {
switch e := event.(type) {
case *tcell.EventKey:
return KeyEvent{
code: e.Key(),
mod: metaToAlt(e.Modifiers()),
r: e.Rune(),
}, nil
case *tcell.EventRaw:
return RawEvent{
esc: e.EscSeq(),
}, nil
case *tcell.EventMouse:
return MouseEvent{
btn: e.Buttons(),
mod: metaToAlt(e.Modifiers()),
}, nil
}
return nil, errors.New("No micro event equivalent")
}
// A Handler will take a tcell event and execute it
// appropriately
type Handler interface {
HandleEvent(tcell.Event)
HandleCommand(string)
}

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@ -1,36 +0,0 @@
package action
import "github.com/zyedidia/micro/v2/internal/buffer"
// InfoBar is the global info bar.
var InfoBar *InfoPane
// LogBufPane is a global log buffer.
var LogBufPane *BufPane
// InitGlobals initializes the log buffer and the info bar
func InitGlobals() {
InfoBar = NewInfoBar()
buffer.LogBuf = buffer.NewBufferFromString("", "Log", buffer.BTLog)
}
// GetInfoBar returns the infobar pane
func GetInfoBar() *InfoPane {
return InfoBar
}
// WriteLog writes a string to the log buffer
func WriteLog(s string) {
buffer.WriteLog(s)
if LogBufPane != nil {
LogBufPane.CursorEnd()
}
}
// OpenLogBuf opens the log buffer from the current bufpane
// If the current bufpane is a log buffer nothing happens,
// otherwise the log buffer is opened in a horizontal split
func (h *BufPane) OpenLogBuf() {
LogBufPane = h.HSplitBuf(buffer.LogBuf)
LogBufPane.CursorEnd()
}

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@ -1,341 +0,0 @@
package action
import (
"bytes"
"sort"
"strings"
"github.com/zyedidia/micro/v2/internal/buffer"
"github.com/zyedidia/micro/v2/internal/config"
"github.com/zyedidia/micro/v2/internal/util"
"github.com/zyedidia/micro/v2/pkg/highlight"
)
// This file is meant (for now) for autocompletion in command mode, not
// while coding. This helps micro autocomplete commands and then filenames
// for example with `vsplit filename`.
// CommandComplete autocompletes commands
func CommandComplete(b *buffer.Buffer) ([]string, []string) {
c := b.GetActiveCursor()
input, argstart := b.GetArg()
var suggestions []string
for cmd := range commands {
if strings.HasPrefix(cmd, input) {
suggestions = append(suggestions, cmd)
}
}
sort.Strings(suggestions)
completions := make([]string, len(suggestions))
for i := range suggestions {
completions[i] = util.SliceEndStr(suggestions[i], c.X-argstart)
}
return completions, suggestions
}
// HelpComplete autocompletes help topics
func HelpComplete(b *buffer.Buffer) ([]string, []string) {
c := b.GetActiveCursor()
input, argstart := b.GetArg()
var suggestions []string
for _, file := range config.ListRuntimeFiles(config.RTHelp) {
topic := file.Name()
if strings.HasPrefix(topic, input) {
suggestions = append(suggestions, topic)
}
}
sort.Strings(suggestions)
completions := make([]string, len(suggestions))
for i := range suggestions {
completions[i] = util.SliceEndStr(suggestions[i], c.X-argstart)
}
return completions, suggestions
}
// colorschemeComplete tab-completes names of colorschemes.
// This is just a heper value for OptionValueComplete
func colorschemeComplete(input string) (string, []string) {
var suggestions []string
files := config.ListRuntimeFiles(config.RTColorscheme)
for _, f := range files {
if strings.HasPrefix(f.Name(), input) {
suggestions = append(suggestions, f.Name())
}
}
var chosen string
if len(suggestions) == 1 {
chosen = suggestions[0]
}
return chosen, suggestions
}
// filetypeComplete autocompletes filetype
func filetypeComplete(input string) (string, []string) {
var suggestions []string
// We cannot match filetypes just by names of syntax files,
// since those names may be different from the actual filetype values
// specified inside syntax files (e.g. "c++" filetype in cpp.yaml).
// So we need to parse filetype values out of those files.
for _, f := range config.ListRealRuntimeFiles(config.RTSyntax) {
data, err := f.Data()
if err != nil {
continue
}
header, err := highlight.MakeHeaderYaml(data)
if err != nil {
continue
}
// Prevent duplicated defaults
if header.FileType == "off" || header.FileType == "unknown" {
continue
}
if strings.HasPrefix(header.FileType, input) {
suggestions = append(suggestions, header.FileType)
}
}
headerLoop:
for _, f := range config.ListRuntimeFiles(config.RTSyntaxHeader) {
data, err := f.Data()
if err != nil {
continue
}
header, err := highlight.MakeHeader(data)
if err != nil {
continue
}
for _, v := range suggestions {
if v == header.FileType {
continue headerLoop
}
}
if strings.HasPrefix(header.FileType, input) {
suggestions = append(suggestions, header.FileType)
}
}
if strings.HasPrefix("off", input) {
suggestions = append(suggestions, "off")
}
var chosen string
if len(suggestions) == 1 {
chosen = suggestions[0]
}
return chosen, suggestions
}
func contains(s []string, e string) bool {
for _, a := range s {
if a == e {
return true
}
}
return false
}
// OptionComplete autocompletes options
func OptionComplete(b *buffer.Buffer) ([]string, []string) {
c := b.GetActiveCursor()
input, argstart := b.GetArg()
var suggestions []string
for option := range config.GlobalSettings {
if strings.HasPrefix(option, input) {
suggestions = append(suggestions, option)
}
}
// for option := range localSettings {
// if strings.HasPrefix(option, input) && !contains(suggestions, option) {
// suggestions = append(suggestions, option)
// }
// }
sort.Strings(suggestions)
completions := make([]string, len(suggestions))
for i := range suggestions {
completions[i] = util.SliceEndStr(suggestions[i], c.X-argstart)
}
return completions, suggestions
}
// OptionValueComplete completes values for various options
func OptionValueComplete(b *buffer.Buffer) ([]string, []string) {
c := b.GetActiveCursor()
l := b.LineBytes(c.Y)
l = util.SliceStart(l, c.X)
input, argstart := b.GetArg()
completeValue := false
args := bytes.Split(l, []byte{' '})
if len(args) >= 2 {
// localSettings := config.DefaultLocalSettings()
for option := range config.GlobalSettings {
if option == string(args[len(args)-2]) {
completeValue = true
break
}
}
// for option := range localSettings {
// if option == string(args[len(args)-2]) {
// completeValue = true
// break
// }
// }
}
if !completeValue {
return OptionComplete(b)
}
inputOpt := string(args[len(args)-2])
inputOpt = strings.TrimSpace(inputOpt)
var suggestions []string
// localSettings := config.DefaultLocalSettings()
var optionVal interface{}
for k, option := range config.GlobalSettings {
if k == inputOpt {
optionVal = option
}
}
// for k, option := range localSettings {
// if k == inputOpt {
// optionVal = option
// }
// }
switch optionVal.(type) {
case bool:
if strings.HasPrefix("on", input) {
suggestions = append(suggestions, "on")
} else if strings.HasPrefix("true", input) {
suggestions = append(suggestions, "true")
}
if strings.HasPrefix("off", input) {
suggestions = append(suggestions, "off")
} else if strings.HasPrefix("false", input) {
suggestions = append(suggestions, "false")
}
case string:
switch inputOpt {
case "colorscheme":
_, suggestions = colorschemeComplete(input)
case "filetype":
_, suggestions = filetypeComplete(input)
case "sucmd":
if strings.HasPrefix("sudo", input) {
suggestions = append(suggestions, "sudo")
}
if strings.HasPrefix("doas", input) {
suggestions = append(suggestions, "doas")
}
default:
if choices, ok := config.OptionChoices[inputOpt]; ok {
for _, choice := range choices {
if strings.HasPrefix(choice, input) {
suggestions = append(suggestions, choice)
}
}
}
}
}
sort.Strings(suggestions)
completions := make([]string, len(suggestions))
for i := range suggestions {
completions[i] = util.SliceEndStr(suggestions[i], c.X-argstart)
}
return completions, suggestions
}
// PluginCmdComplete autocompletes the plugin command
func PluginCmdComplete(b *buffer.Buffer) ([]string, []string) {
c := b.GetActiveCursor()
input, argstart := b.GetArg()
var suggestions []string
for _, cmd := range PluginCmds {
if strings.HasPrefix(cmd, input) {
suggestions = append(suggestions, cmd)
}
}
sort.Strings(suggestions)
completions := make([]string, len(suggestions))
for i := range suggestions {
completions[i] = util.SliceEndStr(suggestions[i], c.X-argstart)
}
return completions, suggestions
}
// PluginComplete completes values for the plugin command
func PluginComplete(b *buffer.Buffer) ([]string, []string) {
c := b.GetActiveCursor()
l := b.LineBytes(c.Y)
l = util.SliceStart(l, c.X)
input, argstart := b.GetArg()
completeValue := false
args := bytes.Split(l, []byte{' '})
if len(args) >= 2 {
for _, cmd := range PluginCmds {
if cmd == string(args[len(args)-2]) {
completeValue = true
break
}
}
}
if !completeValue {
return PluginCmdComplete(b)
}
var suggestions []string
for _, pl := range config.Plugins {
if strings.HasPrefix(pl.Name, input) {
suggestions = append(suggestions, pl.Name)
}
}
sort.Strings(suggestions)
completions := make([]string, len(suggestions))
for i := range suggestions {
completions[i] = util.SliceEndStr(suggestions[i], c.X-argstart)
}
return completions, suggestions
}
// PluginNameComplete completes with the names of loaded plugins
// func PluginNameComplete(b *buffer.Buffer) ([]string, []string) {
// c := b.GetActiveCursor()
// input, argstart := buffer.GetArg(b)
//
// var suggestions []string
// for _, pp := range config.GetAllPluginPackages(nil) {
// if strings.HasPrefix(pp.Name, input) {
// suggestions = append(suggestions, pp.Name)
// }
// }
//
// sort.Strings(suggestions)
// completions := make([]string, len(suggestions))
// for i := range suggestions {
// completions[i] = util.SliceEndStr(suggestions[i], c.X-argstart)
// }
// return completions, suggestions
// }
// // MakeCompletion registers a function from a plugin for autocomplete commands
// func MakeCompletion(function string) Completion {
// pluginCompletions = append(pluginCompletions, LuaFunctionComplete(function))
// return Completion(-len(pluginCompletions))
// }

View file

@ -1,245 +0,0 @@
package action
import (
"bytes"
"github.com/zyedidia/micro/v2/internal/buffer"
"github.com/zyedidia/micro/v2/internal/config"
"github.com/zyedidia/micro/v2/internal/display"
"github.com/zyedidia/micro/v2/internal/info"
"github.com/zyedidia/micro/v2/internal/util"
"github.com/zyedidia/tcell/v2"
)
type InfoKeyAction func(*InfoPane)
var InfoBindings *KeyTree
var InfoBufBindings *KeyTree
func init() {
InfoBindings = NewKeyTree()
InfoBufBindings = NewKeyTree()
}
func InfoMapEvent(k Event, action string) {
config.Bindings["command"][k.Name()] = action
switch e := k.(type) {
case KeyEvent, KeySequenceEvent, RawEvent:
infoMapKey(e, action)
case MouseEvent:
infoMapMouse(e, action)
}
}
func infoMapKey(k Event, action string) {
if f, ok := InfoKeyActions[action]; ok {
InfoBindings.RegisterKeyBinding(k, InfoKeyActionGeneral(f))
} else if f, ok := BufKeyActions[action]; ok {
InfoBufBindings.RegisterKeyBinding(k, BufKeyActionGeneral(f))
}
}
func infoMapMouse(k MouseEvent, action string) {
// TODO: map mouse
if f, ok := BufMouseActions[action]; ok {
InfoBufBindings.RegisterMouseBinding(k, BufMouseActionGeneral(f))
} else {
infoMapKey(k, action)
}
}
func InfoKeyActionGeneral(a InfoKeyAction) PaneKeyAction {
return func(p Pane) bool {
a(p.(*InfoPane))
return true
}
}
type InfoPane struct {
*BufPane
*info.InfoBuf
}
func NewInfoPane(ib *info.InfoBuf, w display.BWindow, tab *Tab) *InfoPane {
ip := new(InfoPane)
ip.InfoBuf = ib
ip.BufPane = NewBufPane(ib.Buffer, w, tab)
ip.BufPane.bindings = InfoBufBindings
return ip
}
func NewInfoBar() *InfoPane {
ib := info.NewBuffer()
w := display.NewInfoWindow(ib)
return NewInfoPane(ib, w, nil)
}
func (h *InfoPane) Close() {
h.InfoBuf.Close()
h.BufPane.Close()
}
func (h *InfoPane) HandleEvent(event tcell.Event) {
switch e := event.(type) {
case *tcell.EventResize:
// TODO
case *tcell.EventKey:
ke := KeyEvent{
code: e.Key(),
mod: metaToAlt(e.Modifiers()),
r: e.Rune(),
}
done := h.DoKeyEvent(ke)
hasYN := h.HasYN
if e.Key() == tcell.KeyRune && hasYN {
y := e.Rune() == 'y' || e.Rune() == 'Y'
n := e.Rune() == 'n' || e.Rune() == 'N'
if y || n {
h.YNResp = y
h.DonePrompt(false)
InfoBindings.ResetEvents()
InfoBufBindings.ResetEvents()
}
}
if e.Key() == tcell.KeyRune && !done && !hasYN {
h.DoRuneInsert(e.Rune())
done = true
}
if done && h.HasPrompt && !hasYN {
resp := string(h.LineBytes(0))
hist := h.History[h.PromptType]
if resp != hist[h.HistoryNum] {
h.HistoryNum = len(hist) - 1
hist[h.HistoryNum] = resp
h.HistorySearch = false
}
if h.EventCallback != nil {
h.EventCallback(resp)
}
}
default:
h.BufPane.HandleEvent(event)
}
}
// DoKeyEvent executes a key event for the command bar, doing any overridden actions.
// Returns true if the action was executed OR if there are more keys remaining
// to process before executing an action (if this is a key sequence event).
// Returns false if no action found.
func (h *InfoPane) DoKeyEvent(e KeyEvent) bool {
action, more := InfoBindings.NextEvent(e, nil)
if action != nil && !more {
action(h)
InfoBindings.ResetEvents()
return true
} else if action == nil && !more {
InfoBindings.ResetEvents()
// return false //TODO:?
}
if !more {
// If no infopane action found, try to find a bufpane action.
//
// TODO: this is buggy. For example, if the command bar has the following
// two bindings:
//
// "<Ctrl-x><Ctrl-p>": "HistoryUp",
// "<Ctrl-x><Ctrl-v>": "Paste",
//
// the 2nd binding (with a bufpane action) doesn't work, since <Ctrl-x>
// has been already consumed by the 1st binding (with an infopane action).
//
// We should either iterate both InfoBindings and InfoBufBindings keytrees
// together, or just use the same keytree for both infopane and bufpane
// bindings.
action, more = InfoBufBindings.NextEvent(e, nil)
if action != nil && !more {
action(h.BufPane)
InfoBufBindings.ResetEvents()
return true
} else if action == nil && !more {
InfoBufBindings.ResetEvents()
}
}
return more
}
// HistoryUp cycles history up
func (h *InfoPane) HistoryUp() {
h.UpHistory(h.History[h.PromptType])
}
// HistoryDown cycles history down
func (h *InfoPane) HistoryDown() {
h.DownHistory(h.History[h.PromptType])
}
// HistorySearchUp fetches the previous history item beginning with the text
// in the infobuffer before cursor
func (h *InfoPane) HistorySearchUp() {
h.SearchUpHistory(h.History[h.PromptType])
}
// HistorySearchDown fetches the next history item beginning with the text
// in the infobuffer before cursor
func (h *InfoPane) HistorySearchDown() {
h.SearchDownHistory(h.History[h.PromptType])
}
// Autocomplete begins autocompletion
func (h *InfoPane) CommandComplete() {
b := h.Buf
if b.HasSuggestions {
b.CycleAutocomplete(true)
return
}
c := b.GetActiveCursor()
l := b.LineBytes(0)
l = util.SliceStart(l, c.X)
args := bytes.Split(l, []byte{' '})
cmd := string(args[0])
if h.PromptType == "Command" {
if len(args) == 1 {
b.Autocomplete(CommandComplete)
} else if action, ok := commands[cmd]; ok {
if action.completer != nil {
b.Autocomplete(action.completer)
}
}
} else {
// by default use filename autocompletion
b.Autocomplete(buffer.FileComplete)
}
}
// ExecuteCommand completes the prompt
func (h *InfoPane) ExecuteCommand() {
if !h.HasYN {
h.DonePrompt(false)
}
}
// AbortCommand cancels the prompt
func (h *InfoPane) AbortCommand() {
h.DonePrompt(true)
}
// InfoKeyActions contains the list of all possible key actions the infopane could execute
var InfoKeyActions = map[string]InfoKeyAction{
"HistoryUp": (*InfoPane).HistoryUp,
"HistoryDown": (*InfoPane).HistoryDown,
"HistorySearchUp": (*InfoPane).HistorySearchUp,
"HistorySearchDown": (*InfoPane).HistorySearchDown,
"CommandComplete": (*InfoPane).CommandComplete,
"ExecuteCommand": (*InfoPane).ExecuteCommand,
"AbortCommand": (*InfoPane).AbortCommand,
}

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@ -1,261 +0,0 @@
package action
import (
"bytes"
"github.com/zyedidia/tcell/v2"
)
type PaneKeyAction func(Pane) bool
type PaneMouseAction func(Pane, *tcell.EventMouse) bool
type PaneKeyAnyAction func(Pane, []KeyEvent) bool
// A KeyTreeNode stores a single node in the KeyTree (trie). The
// children are stored as a map, and any node may store a list of
// actions (the list will be nil if no actions correspond to a certain
// node)
type KeyTreeNode struct {
children map[Event]*KeyTreeNode
// Only one of these actions may be active in the current
// mode, and only one will be returned. If multiple actions
// are active, it is undefined which one will be the one
// returned.
actions []TreeAction
}
func NewKeyTreeNode() *KeyTreeNode {
n := new(KeyTreeNode)
n.children = make(map[Event]*KeyTreeNode)
n.actions = []TreeAction{}
return n
}
// A TreeAction stores an action, and a set of mode constraints for
// the action to be active.
type TreeAction struct {
// only one of these can be non-nil
action PaneKeyAction
any PaneKeyAnyAction
mouse PaneMouseAction
modes []ModeConstraint
}
// A KeyTree is a data structure for storing keybindings. It maps
// key events to actions, and maintains a set of currently enabled
// modes, which affects the action that is returned for a key event.
// The tree acts like a Trie for Events to handle sequence events.
type KeyTree struct {
root *KeyTreeNode
modes map[string]bool
cursor KeyTreeCursor
}
// A KeyTreeCursor keeps track of the current location within the
// tree, and stores any information from previous events that may
// be needed to execute the action (values of wildcard events or
// mouse events)
type KeyTreeCursor struct {
node *KeyTreeNode
recordedEvents []Event
wildcards []KeyEvent
mouseInfo *tcell.EventMouse
}
// MakeClosure uses the information stored in a key tree cursor to construct
// a PaneKeyAction from a TreeAction (which may have a PaneKeyAction, PaneMouseAction,
// or AnyAction)
func (k *KeyTreeCursor) MakeClosure(a TreeAction) PaneKeyAction {
if a.action != nil {
return a.action
} else if a.any != nil {
return func(p Pane) bool {
return a.any(p, k.wildcards)
}
} else if a.mouse != nil {
return func(p Pane) bool {
return a.mouse(p, k.mouseInfo)
}
}
return nil
}
// NewKeyTree allocates and returns an empty key tree
func NewKeyTree() *KeyTree {
root := NewKeyTreeNode()
tree := new(KeyTree)
tree.root = root
tree.modes = make(map[string]bool)
tree.cursor = KeyTreeCursor{
node: root,
wildcards: []KeyEvent{},
mouseInfo: nil,
}
return tree
}
// A ModeConstraint specifies that an action can only be executed
// while a certain mode is enabled or disabled.
type ModeConstraint struct {
mode string
disabled bool
}
// RegisterKeyBinding registers a PaneKeyAction with an Event.
func (k *KeyTree) RegisterKeyBinding(e Event, a PaneKeyAction) {
k.registerBinding(e, TreeAction{
action: a,
any: nil,
mouse: nil,
modes: nil,
})
}
// RegisterKeyAnyBinding registers a PaneKeyAnyAction with an Event.
// The event should contain an "any" event.
func (k *KeyTree) RegisterKeyAnyBinding(e Event, a PaneKeyAnyAction) {
k.registerBinding(e, TreeAction{
action: nil,
any: a,
mouse: nil,
modes: nil,
})
}
// RegisterMouseBinding registers a PaneMouseAction with an Event.
// The event should contain a mouse event.
func (k *KeyTree) RegisterMouseBinding(e Event, a PaneMouseAction) {
k.registerBinding(e, TreeAction{
action: nil,
any: nil,
mouse: a,
modes: nil,
})
}
func (k *KeyTree) registerBinding(e Event, a TreeAction) {
switch ev := e.(type) {
case KeyEvent, MouseEvent, RawEvent:
newNode, ok := k.root.children[e]
if !ok {
newNode = NewKeyTreeNode()
k.root.children[e] = newNode
}
// newNode.actions = append(newNode.actions, a)
newNode.actions = []TreeAction{a}
case KeySequenceEvent:
n := k.root
for _, key := range ev.keys {
newNode, ok := n.children[key]
if !ok {
newNode = NewKeyTreeNode()
n.children[key] = newNode
}
n = newNode
}
// n.actions = append(n.actions, a)
n.actions = []TreeAction{a}
}
}
// NextEvent returns the action for the current sequence where e is the next
// event. Even if the action was registered as a PaneKeyAnyAction or PaneMouseAction,
// it will be returned as a PaneKeyAction closure where the appropriate arguments
// have been provided.
// If no action is associated with the given Event, or mode constraints are not
// met for that action, nil is returned.
// A boolean is returned to indicate if there is a conflict with this action. A
// conflict occurs when there is an active action for this event but there are
// bindings associated with further sequences starting with this event. The
// calling function can decide what to do about the conflict (e.g. use a
// timeout).
func (k *KeyTree) NextEvent(e Event, mouse *tcell.EventMouse) (PaneKeyAction, bool) {
n := k.cursor.node
c, ok := n.children[e]
if !ok {
return nil, false
}
more := len(c.children) > 0
k.cursor.node = c
k.cursor.recordedEvents = append(k.cursor.recordedEvents, e)
switch ev := e.(type) {
case KeyEvent:
if ev.any {
k.cursor.wildcards = append(k.cursor.wildcards, ev)
}
case MouseEvent:
k.cursor.mouseInfo = mouse
}
if len(c.actions) > 0 {
// check if actions are active
for _, a := range c.actions {
active := true
for _, mc := range a.modes {
// if any mode constraint is not met, the action is not active
hasMode := k.modes[mc.mode]
if hasMode != mc.disabled {
active = false
}
}
if active {
// the first active action to be found is returned
return k.cursor.MakeClosure(a), more
}
}
}
return nil, more
}
// ResetEvents sets the current sequence back to the initial value.
func (k *KeyTree) ResetEvents() {
k.cursor.node = k.root
k.cursor.wildcards = []KeyEvent{}
k.cursor.recordedEvents = []Event{}
k.cursor.mouseInfo = nil
}
// RecordedEventsStr returns the list of recorded events as a string
func (k *KeyTree) RecordedEventsStr() string {
buf := &bytes.Buffer{}
for _, e := range k.cursor.recordedEvents {
buf.WriteString(e.Name())
}
return buf.String()
}
// DeleteBinding removes any currently active actions associated with the
// given event.
func (k *KeyTree) DeleteBinding(e Event) {
}
// DeleteAllBindings removes all actions associated with the given event,
// regardless of whether they are active or not.
func (k *KeyTree) DeleteAllBindings(e Event) {
}
// SetMode enables or disabled a given mode
func (k *KeyTree) SetMode(mode string, en bool) {
k.modes[mode] = en
}
// HasMode returns if the given mode is currently active
func (k *KeyTree) HasMode(mode string) bool {
return k.modes[mode]
}

View file

@ -1,17 +0,0 @@
package action
import (
"github.com/zyedidia/micro/v2/internal/display"
)
// A Pane is a general interface for a window in the editor.
type Pane interface {
Handler
display.Window
ID() uint64
SetID(i uint64)
Name() string
Close()
SetTab(t *Tab)
Tab() *Tab
}

View file

@ -1,47 +0,0 @@
package action
import (
"fmt"
"reflect"
"github.com/zyedidia/micro/v2/internal/buffer"
"github.com/zyedidia/micro/v2/internal/display"
"github.com/zyedidia/tcell/v2"
)
type RawPane struct {
*BufPane
}
func NewRawPaneFromWin(b *buffer.Buffer, win display.BWindow, tab *Tab) *RawPane {
rh := new(RawPane)
rh.BufPane = NewBufPane(b, win, tab)
return rh
}
func NewRawPane(tab *Tab) *RawPane {
b := buffer.NewBufferFromString("", "", buffer.BTRaw)
w := display.NewBufWindow(0, 0, 0, 0, b)
return NewRawPaneFromWin(b, w, tab)
}
func (h *RawPane) HandleEvent(event tcell.Event) {
switch e := event.(type) {
case *tcell.EventKey:
if e.Key() == tcell.KeyCtrlQ {
h.Quit()
}
}
h.Buf.Insert(h.Cursor.Loc, reflect.TypeOf(event).String()[7:])
e, err := ConstructEvent(event)
if err == nil {
h.Buf.Insert(h.Cursor.Loc, fmt.Sprintf(": %s", e.Name()))
}
h.Buf.Insert(h.Cursor.Loc, fmt.Sprintf(": %q\n", event.EscSeq()))
h.Relocate()
}

View file

@ -1,384 +0,0 @@
package action
import (
luar "layeh.com/gopher-luar"
"github.com/zyedidia/micro/v2/internal/buffer"
"github.com/zyedidia/micro/v2/internal/config"
"github.com/zyedidia/micro/v2/internal/display"
ulua "github.com/zyedidia/micro/v2/internal/lua"
"github.com/zyedidia/micro/v2/internal/screen"
"github.com/zyedidia/micro/v2/internal/views"
"github.com/zyedidia/tcell/v2"
)
// The TabList is a list of tabs and a window to display the tab bar
// at the top of the screen
type TabList struct {
*display.TabWindow
List []*Tab
}
// NewTabList creates a TabList from a list of buffers by creating a Tab
// for each buffer
func NewTabList(bufs []*buffer.Buffer) *TabList {
w, h := screen.Screen.Size()
iOffset := config.GetInfoBarOffset()
tl := new(TabList)
tl.List = make([]*Tab, len(bufs))
if len(bufs) > 1 {
for i, b := range bufs {
tl.List[i] = NewTabFromBuffer(0, 1, w, h-1-iOffset, b)
}
} else {
tl.List[0] = NewTabFromBuffer(0, 0, w, h-iOffset, bufs[0])
}
tl.TabWindow = display.NewTabWindow(w, 0)
tl.Names = make([]string, len(bufs))
return tl
}
// UpdateNames makes sure that the list of names the tab window has access to is
// correct
func (t *TabList) UpdateNames() {
t.Names = t.Names[:0]
for _, p := range t.List {
t.Names = append(t.Names, p.Panes[p.active].Name())
}
}
// AddTab adds a new tab to this TabList
func (t *TabList) AddTab(p *Tab) {
t.List = append(t.List, p)
t.Resize()
t.UpdateNames()
}
// RemoveTab removes a tab with the given id from the TabList
func (t *TabList) RemoveTab(id uint64) {
for i, p := range t.List {
if len(p.Panes) == 0 {
continue
}
if p.Panes[0].ID() == id {
copy(t.List[i:], t.List[i+1:])
t.List[len(t.List)-1] = nil
t.List = t.List[:len(t.List)-1]
if t.Active() >= len(t.List) {
t.SetActive(len(t.List) - 1)
}
t.Resize()
t.UpdateNames()
return
}
}
}
// Resize resizes all elements within the tab list
// One thing to note is that when there is only 1 tab
// the tab bar should not be drawn so resizing must take
// that into account
func (t *TabList) Resize() {
w, h := screen.Screen.Size()
iOffset := config.GetInfoBarOffset()
InfoBar.Resize(w, h-1)
if len(t.List) > 1 {
for _, p := range t.List {
p.Y = 1
p.Node.Resize(w, h-1-iOffset)
p.Resize()
}
} else if len(t.List) == 1 {
t.List[0].Y = 0
t.List[0].Node.Resize(w, h-iOffset)
t.List[0].Resize()
}
t.TabWindow.Resize(w, h)
}
// HandleEvent checks for a resize event or a mouse event on the tab bar
// otherwise it will forward the event to the currently active tab
func (t *TabList) HandleEvent(event tcell.Event) {
switch e := event.(type) {
case *tcell.EventResize:
t.Resize()
case *tcell.EventMouse:
mx, my := e.Position()
switch e.Buttons() {
case tcell.Button1:
if my == t.Y && mx == 0 {
t.Scroll(-4)
return
} else if my == t.Y && mx == t.Width-1 {
t.Scroll(4)
return
}
if len(t.List) > 1 {
ind := t.LocFromVisual(buffer.Loc{mx, my})
if ind != -1 {
t.SetActive(ind)
return
}
if my == 0 {
return
}
}
case tcell.ButtonNone:
if t.List[t.Active()].release {
// Mouse release received, while already released
t.ResetMouse()
return
}
case tcell.WheelUp:
if my == t.Y {
t.Scroll(4)
return
}
case tcell.WheelDown:
if my == t.Y {
t.Scroll(-4)
return
}
}
}
t.List[t.Active()].HandleEvent(event)
}
// Display updates the names and then displays the tab bar
func (t *TabList) Display() {
t.UpdateNames()
if len(t.List) > 1 {
t.TabWindow.Display()
}
}
func (t *TabList) SetActive(a int) {
t.TabWindow.SetActive(a)
for i, p := range t.List {
if i == a {
if !p.isActive {
p.isActive = true
err := config.RunPluginFn("onSetActive", luar.New(ulua.L, p.CurPane()))
if err != nil {
screen.TermMessage(err)
}
}
} else {
p.isActive = false
}
}
}
// ResetMouse resets the mouse release state after the screen was stopped
// or the pane changed.
// This prevents situations in which mouse releases are received at the wrong place
// and the mouse state is still pressed.
func (t *TabList) ResetMouse() {
for _, tab := range t.List {
if !tab.release && tab.resizing != nil {
tab.resizing = nil
}
tab.release = true
for _, p := range tab.Panes {
if bp, ok := p.(*BufPane); ok {
bp.resetMouse()
}
}
}
}
// Tabs is the global tab list
var Tabs *TabList
func InitTabs(bufs []*buffer.Buffer) {
multiopen := config.GetGlobalOption("multiopen").(string)
if multiopen == "tab" {
Tabs = NewTabList(bufs)
} else {
Tabs = NewTabList(bufs[:1])
for _, b := range bufs[1:] {
if multiopen == "vsplit" {
MainTab().CurPane().VSplitBuf(b)
} else { // default hsplit
MainTab().CurPane().HSplitBuf(b)
}
}
}
screen.RestartCallback = Tabs.ResetMouse
}
func MainTab() *Tab {
return Tabs.List[Tabs.Active()]
}
// A Tab represents a single tab
// It consists of a list of edit panes (the open buffers),
// a split tree (stored as just the root node), and a uiwindow
// to display the UI elements like the borders between splits
type Tab struct {
*views.Node
*display.UIWindow
isActive bool
Panes []Pane
active int
resizing *views.Node // node currently being resized
// captures whether the mouse is released
release bool
}
// NewTabFromBuffer creates a new tab from the given buffer
func NewTabFromBuffer(x, y, width, height int, b *buffer.Buffer) *Tab {
t := new(Tab)
t.Node = views.NewRoot(x, y, width, height)
t.UIWindow = display.NewUIWindow(t.Node)
t.release = true
e := NewBufPaneFromBuf(b, t)
e.SetID(t.ID())
t.Panes = append(t.Panes, e)
return t
}
func NewTabFromPane(x, y, width, height int, pane Pane) *Tab {
t := new(Tab)
t.Node = views.NewRoot(x, y, width, height)
t.UIWindow = display.NewUIWindow(t.Node)
t.release = true
pane.SetTab(t)
pane.SetID(t.ID())
t.Panes = append(t.Panes, pane)
return t
}
// HandleEvent takes a tcell event and usually dispatches it to the current
// active pane. However if the event is a resize or a mouse event where the user
// is interacting with the UI (resizing splits) then the event is consumed here
// If the event is a mouse press event in a pane, that pane will become active
// and get the event
func (t *Tab) HandleEvent(event tcell.Event) {
switch e := event.(type) {
case *tcell.EventMouse:
mx, my := e.Position()
btn := e.Buttons()
switch {
case btn & ^(tcell.WheelUp|tcell.WheelDown|tcell.WheelLeft|tcell.WheelRight) != tcell.ButtonNone:
// button press or drag
wasReleased := t.release
t.release = false
if btn == tcell.Button1 {
if t.resizing != nil {
var size int
if t.resizing.Kind == views.STVert {
size = mx - t.resizing.X
} else {
size = my - t.resizing.Y + 1
}
t.resizing.ResizeSplit(size)
t.Resize()
return
}
if wasReleased {
t.resizing = t.GetMouseSplitNode(buffer.Loc{mx, my})
if t.resizing != nil {
return
}
}
}
if wasReleased {
for i, p := range t.Panes {
v := p.GetView()
inpane := mx >= v.X && mx < v.X+v.Width && my >= v.Y && my < v.Y+v.Height
if inpane {
t.SetActive(i)
break
}
}
}
case btn == tcell.ButtonNone:
// button release
t.release = true
if t.resizing != nil {
t.resizing = nil
return
}
default:
// wheel move
for _, p := range t.Panes {
v := p.GetView()
inpane := mx >= v.X && mx < v.X+v.Width && my >= v.Y && my < v.Y+v.Height
if inpane {
p.HandleEvent(event)
return
}
}
}
}
t.Panes[t.active].HandleEvent(event)
}
// SetActive changes the currently active pane to the specified index
func (t *Tab) SetActive(i int) {
t.active = i
for j, p := range t.Panes {
if j == i {
p.SetActive(true)
} else {
p.SetActive(false)
}
}
}
// GetPane returns the pane with the given split index
func (t *Tab) GetPane(splitid uint64) int {
for i, p := range t.Panes {
if p.ID() == splitid {
return i
}
}
return 0
}
// Remove pane removes the pane with the given index
func (t *Tab) RemovePane(i int) {
copy(t.Panes[i:], t.Panes[i+1:])
t.Panes[len(t.Panes)-1] = nil
t.Panes = t.Panes[:len(t.Panes)-1]
}
// Resize resizes all panes according to their corresponding split nodes
func (t *Tab) Resize() {
for _, p := range t.Panes {
n := t.GetNode(p.ID())
pv := p.GetView()
offset := 0
if n.X != 0 {
offset = 1
}
pv.X, pv.Y = n.X+offset, n.Y
p.SetView(pv)
p.Resize(n.W-offset, n.H)
}
}
// CurPane returns the currently active pane
func (t *Tab) CurPane() *BufPane {
p, ok := t.Panes[t.active].(*BufPane)
if !ok {
return nil
}
return p
}

View file

@ -1,45 +0,0 @@
// +build linux darwin dragonfly openbsd_amd64 freebsd
package action
import (
shellquote "github.com/kballard/go-shellquote"
"github.com/zyedidia/micro/v2/internal/shell"
)
// TermEmuSupported is a constant that marks if the terminal emulator is supported
const TermEmuSupported = true
// RunTermEmulator starts a terminal emulator from a bufpane with the given input (command)
// if wait is true it will wait for the user to exit by pressing enter once the executable has terminated
// if getOutput is true it will redirect the stdout of the process to a pipe which will be passed to the
// callback which is a function that takes a string and a list of optional user arguments
func RunTermEmulator(h *BufPane, input string, wait bool, getOutput bool, callback func(out string, userargs []interface{}), userargs []interface{}) error {
args, err := shellquote.Split(input)
if err != nil {
return err
}
if len(args) == 0 {
return nil
}
t := new(shell.Terminal)
err = t.Start(args, getOutput, wait, callback, userargs)
if err != nil {
return err
}
h.AddTab()
id := MainTab().Panes[0].ID()
v := h.GetView()
tp, err := NewTermPane(v.X, v.Y, v.Width, v.Height, t, id, MainTab())
if err != nil {
return err
}
MainTab().Panes[0] = tp
MainTab().SetActive(0)
return nil
}

View file

@ -1,13 +0,0 @@
// +build !linux,!darwin,!freebsd,!dragonfly,!openbsd_amd64
package action
import "errors"
// TermEmuSupported is a constant that marks if the terminal emulator is supported
const TermEmuSupported = false
// RunTermEmulator returns an error for unsupported systems (non-unix systems
func RunTermEmulator(input string, wait bool, getOutput bool, callback func(out string, userargs []interface{}), userargs []interface{}) error {
return errors.New("Unsupported operating system")
}

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