mirror of
https://github.com/go-gitea/gitea
synced 2024-11-02 08:14:25 +00:00
102 lines
2.4 KiB
Go
102 lines
2.4 KiB
Go
package org
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import (
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"fmt"
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"regexp"
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"strings"
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"unicode"
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)
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type Outline struct {
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*Section
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last *Section
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count int
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}
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type Section struct {
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Headline *Headline
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Parent *Section
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Children []*Section
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}
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type Headline struct {
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Index int
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Lvl int
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Status string
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Priority string
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Properties *PropertyDrawer
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Title []Node
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Tags []string
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Children []Node
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}
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var headlineRegexp = regexp.MustCompile(`^([*]+)\s+(.*)`)
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var tagRegexp = regexp.MustCompile(`(.*?)\s+(:[A-Za-z0-9_@#%:]+:\s*$)`)
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func lexHeadline(line string) (token, bool) {
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if m := headlineRegexp.FindStringSubmatch(line); m != nil {
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return token{"headline", 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 (d *Document) parseHeadline(i int, parentStop stopFn) (int, Node) {
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t, headline := d.tokens[i], Headline{}
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headline.Lvl = t.lvl
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headline.Index = d.addHeadline(&headline)
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text := t.content
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todoKeywords := strings.FieldsFunc(d.Get("TODO"), func(r rune) bool { return unicode.IsSpace(r) || r == '|' })
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for _, k := range todoKeywords {
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if strings.HasPrefix(text, k) && len(text) > len(k) && unicode.IsSpace(rune(text[len(k)])) {
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headline.Status = k
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text = text[len(k)+1:]
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break
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}
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}
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if len(text) >= 4 && text[0:2] == "[#" && strings.Contains("ABC", text[2:3]) && text[3] == ']' {
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headline.Priority = text[2:3]
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text = strings.TrimSpace(text[4:])
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}
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if m := tagRegexp.FindStringSubmatch(text); m != nil {
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text = m[1]
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headline.Tags = strings.FieldsFunc(m[2], func(r rune) bool { return r == ':' })
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}
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headline.Title = d.parseInline(text)
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stop := func(d *Document, i int) bool {
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return parentStop(d, i) || d.tokens[i].kind == "headline" && d.tokens[i].lvl <= headline.Lvl
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}
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consumed, nodes := d.parseMany(i+1, stop)
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if len(nodes) > 0 {
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if d, ok := nodes[0].(PropertyDrawer); ok {
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headline.Properties = &d
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nodes = nodes[1:]
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}
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}
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headline.Children = nodes
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return consumed + 1, headline
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}
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func (h Headline) ID() string {
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if customID, ok := h.Properties.Get("CUSTOM_ID"); ok {
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return customID
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}
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return fmt.Sprintf("headline-%d", h.Index)
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}
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func (parent *Section) add(current *Section) {
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if parent.Headline == nil || parent.Headline.Lvl < current.Headline.Lvl {
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parent.Children = append(parent.Children, current)
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current.Parent = parent
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} else {
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parent.Parent.add(current)
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}
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}
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func (n Headline) String() string { return orgWriter.WriteNodesAsString(n) }
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