This repository has been archived on 2023-05-01. You can view files and clone it, but cannot push or open issues or pull requests.
gus/gemtext/parse.go

50 lines
827 B
Go

package gemtext
import (
"bufio"
"io"
)
// Parse parses the full contents of an io.Reader into a gemtext.Document.
func Parse(input io.Reader) (Document, error) {
rdr := bufio.NewReader(input)
var lines []Line
inPFT := false
for {
raw, err := rdr.ReadBytes('\n')
if err != io.EOF && err != nil {
return nil, err
}
var line Line
if inPFT && (len(raw) < 3 || raw[0] != '`' || raw[1] != '`' || raw[2] != '`') {
line = PreformattedTextLine{raw: raw}
} else {
line = ParseLine(raw)
}
if line != nil && line.Type() == LineTypePreformatToggle {
if inPFT {
toggle := line.(PreformatToggleLine)
(&toggle).clearAlt()
line = toggle
}
inPFT = !inPFT
}
if line != nil {
lines = append(lines, line)
}
if err == io.EOF {
break
}
}
return Document(lines), nil
}