go-org-orgwiki/org/paragraph.go
Niklas Fasching bd33e8885e Add String() method to Node interface
Being able to very easily get the original [1] Org mode content seems like
something that will come up quite often and is very little code.

[1] it's not really the original content, but rather the pretty printed version
of that - as the semantics don't change it shouldn't matter.
2019-01-06 20:50:02 +01:00

46 lines
1.3 KiB
Go

package org
import (
"regexp"
"strings"
)
type Paragraph struct{ Children []Node }
type HorizontalRule struct{}
var horizontalRuleRegexp = regexp.MustCompile(`^(\s*)-{5,}\s*$`)
var plainTextRegexp = regexp.MustCompile(`^(\s*)(.*)`)
func lexText(line string) (token, bool) {
if m := plainTextRegexp.FindStringSubmatch(line); m != nil {
return token{"text", len(m[1]), m[2], m}, true
}
return nilToken, false
}
func lexHorizontalRule(line string) (token, bool) {
if m := horizontalRuleRegexp.FindStringSubmatch(line); m != nil {
return token{"horizontalRule", len(m[1]), "", m}, true
}
return nilToken, false
}
func (d *Document) parseParagraph(i int, parentStop stopFn) (int, Node) {
lines, start := []string{d.tokens[i].content}, i
i++
stop := func(d *Document, i int) bool {
return parentStop(d, i) || d.tokens[i].kind != "text" || d.tokens[i].content == ""
}
for ; !stop(d, i); i++ {
lines = append(lines, d.tokens[i].content)
}
consumed := i - start
return consumed, Paragraph{d.parseInline(strings.Join(lines, "\n"))}
}
func (d *Document) parseHorizontalRule(i int, parentStop stopFn) (int, Node) {
return 1, HorizontalRule{}
}
func (n Paragraph) String() string { return orgWriter.nodesAsString(n) }
func (n HorizontalRule) String() string { return orgWriter.nodesAsString(n) }