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