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cleanup and add link to readme for tests

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This commit is contained in:
dre 2021-07-04 00:41:29 +08:00
parent c779d963a0
commit 8cf2d4eb73
2 changed files with 33 additions and 15 deletions
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6
README.md
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@ -1,7 +1,7 @@
## md2gmi ## md2gmi
Convert Markdown to Gemini Gemini "gemtext" markup with Go. Working with streams and pipes for UNIX Convert Markdown to Gemini Gemini [gemtext](https://gemini.circumlunar.space/docs/gemtext.gmi)
like behavior utilizing Go channels. markup with Go. Working with streams and pipes for UNIX like behavior utilizing Go channels.
### Usage ### Usage
@ -17,4 +17,4 @@ Usage of ./md2gmi:
go get github.com/n0x1m/md2gmi go get github.com/n0x1m/md2gmi
cat file.md | md2gmi cat file.md | md2gmi
md2gmi -in file.md -out file.gmi md2gmi -in file.md -out file.gmi

42
parser.go
View file

@ -47,35 +47,53 @@ func (m *fsm) flush() {
} }
} }
func isBlank(data []byte) bool {
return len(data) == 0
}
func isHeader(data []byte) bool {
return len(data) > 0 && data[0] == '#'
}
func triggerBreak(data []byte) bool {
return len(data) == 0 || data[len(data)-1] == '.'
}
func isFence(data []byte) bool {
return len(data) >= 3 && string(data[0:3]) == "```"
}
func needsFence(data []byte) bool {
return len(data) >= 4 && string(data[0:4]) == " "
}
func normal(m *fsm, data []byte) stateFn { func normal(m *fsm, data []byte) stateFn {
m.flush() m.flush()
// blank line // blank line
if len(data) == 0 { if isBlank(data) {
fmt.Fprintf(m.out, "\n") fmt.Fprintf(m.out, "\n")
return normal return normal
} }
// header // header
if data[0] == '#' { if isHeader(data) {
fmt.Fprintf(m.out, string(data)+"\n") fmt.Fprintf(m.out, string(data)+"\n")
return normal return normal
} }
if len(data) >= 3 && string(data[0:3]) == "```" { if isFence(data) {
fmt.Fprintf(m.out, string(data)+"\n") fmt.Fprintf(m.out, string(data)+"\n")
return fence return fence
} }
if len(data) >= 4 && string(data[0:4]) == " " { if needsFence(data) {
fmt.Fprintf(m.out, string("```")+"\n") fmt.Fprintf(m.out, string("```")+"\n")
fmt.Fprintf(m.out, string(data)+"\n") fmt.Fprintf(m.out, string(data)+"\n")
m.pending = []byte("```") m.pending = []byte("```")
return tofence return toFence
} }
if data[len(data)-1] != '.' { if data[len(data)-1] != '.' {
m.buffer = append(m.buffer, data...) m.buffer = append(m.buffer, data...)
return paragraph return paragraph
} }
// TODO // TODO
// find linebreaks
// find code fences
// find links // find links
// collapse lists // collapse lists
fmt.Fprintf(m.out, string(data)+"\n") fmt.Fprintf(m.out, string(data)+"\n")
@ -85,23 +103,23 @@ func normal(m *fsm, data []byte) stateFn {
func fence(m *fsm, data []byte) stateFn { func fence(m *fsm, data []byte) stateFn {
fmt.Fprintf(m.out, string(data)+"\n") fmt.Fprintf(m.out, string(data)+"\n")
if len(data) >= 3 && string(data[0:3]) == "```" { if isFence(data) {
return normal return normal
} }
return fence return fence
} }
func tofence(m *fsm, data []byte) stateFn { func toFence(m *fsm, data []byte) stateFn {
if len(data) >= 4 && string(data[0:4]) == " " { if needsFence(data) {
fmt.Fprintf(m.out, string(data)+"\n") fmt.Fprintf(m.out, string(data)+"\n")
return tofence return toFence
} }
fmt.Fprintf(m.out, string(data)+"\n") fmt.Fprintf(m.out, string(data)+"\n")
return normal return normal
} }
func paragraph(m *fsm, data []byte) stateFn { func paragraph(m *fsm, data []byte) stateFn {
if len(data) == 0 || data[len(data)-1] == '.' { if triggerBreak(data) {
m.buffer = append(m.buffer, data...) m.buffer = append(m.buffer, data...)
fmt.Fprintf(m.out, string(m.buffer)+"\n") fmt.Fprintf(m.out, string(m.buffer)+"\n")
m.buffer = m.buffer[:0] m.buffer = m.buffer[:0]