NeonXP/micro
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Add some plugin functions

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This commit is contained in:
Zachary Yedidia 2019-08-26 21:06:27 -04:00
parent b68461cf72
commit 6f6b263d10
2 changed files with 15 additions and 0 deletions
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3
cmd/micro/initlua.go
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@ -70,6 +70,8 @@ func luaImportMicroConfig() *lua.LTable {
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.RegisterCommonOption))
ulua.L.SetField(pkg, "RegisterGlobalOption", luar.New(ulua.L, config.RegisterGlobalOption))
return pkg
}
@ -111,6 +113,7 @@ func luaImportMicroBuffer() *lua.LTable {
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))
return pkg
}

12
internal/buffer/loc.go
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@ -123,3 +123,15 @@ func (l Loc) Diff(a, b Loc, buf *Buffer) int {
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
}