Restructure directory layout: org subpackage
This commit is contained in:
Niklas Fasching
parent
6c683dfbdb
commit
fc982125c9
17 changed files with 11 additions and 7 deletions
262
html.go
262
html.go
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@ -1,262 +0,0 @@
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package org
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import (
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"fmt"
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"html"
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"path"
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"strings"
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)
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type HTMLWriter struct {
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stringBuilder
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HighlightCodeBlock func(source, lang string) string
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}
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var emphasisTags = map[string][]string{
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"/": []string{"<em>", "</em>"},
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"*": []string{"<strong>", "</strong>"},
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"+": []string{"<del>", "</del>"},
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"~": []string{"<code>", "</code>"},
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"=": []string{`<code class="verbatim">`, "</code>"},
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"_": []string{`<span style="text-decoration: underline;">`, "</span>"},
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"_{}": []string{"<sub>", "</sub>"},
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"^{}": []string{"<super>", "</super>"},
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}
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var listTags = map[string][]string{
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"+": []string{"<ul>", "</ul>"},
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"-": []string{"<ul>", "</ul>"},
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"*": []string{"<ul>", "</ul>"},
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"number": []string{"<ol>", "</ol>"},
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"letter": []string{"<ol>", "</ol>"},
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}
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func NewHTMLWriter() *HTMLWriter {
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return &HTMLWriter{
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HighlightCodeBlock: func(source, lang string) string { return html.EscapeString(source) },
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}
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}
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func (w *HTMLWriter) emptyClone() *HTMLWriter {
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wcopy := *w
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wcopy.stringBuilder = stringBuilder{}
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return &wcopy
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}
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func (w *HTMLWriter) before(d *Document) {}
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func (w *HTMLWriter) after(d *Document) {
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fs := d.Footnotes
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if len(fs.Definitions) == 0 {
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return
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}
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w.WriteString(`<div id="footnotes">` + "\n")
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w.WriteString(`<h1 class="footnotes-title">` + fs.Title + `</h1>` + "\n")
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w.WriteString(`<div class="footnote-definitions">` + "\n")
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for _, name := range fs.Order {
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w.writeNodes(fs.Definitions[name])
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}
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w.WriteString("</div>\n</div>\n")
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}
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func (w *HTMLWriter) writeNodes(ns ...Node) {
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for _, n := range ns {
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switch n := n.(type) {
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case Keyword, Comment:
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continue
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case Headline:
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w.writeHeadline(n)
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case Block:
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w.writeBlock(n)
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case FootnoteDefinition:
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w.writeFootnoteDefinition(n)
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case List:
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w.writeList(n)
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case ListItem:
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w.writeListItem(n)
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case Table:
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w.writeTable(n)
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case TableHeader:
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w.writeTableHeader(n)
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case TableRow:
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w.writeTableRow(n)
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case TableSeparator:
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w.writeTableSeparator(n)
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case Paragraph:
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w.writeParagraph(n)
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case HorizontalRule:
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w.writeHorizontalRule(n)
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case Line:
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w.writeLine(n)
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case Text:
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w.writeText(n)
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case Emphasis:
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w.writeEmphasis(n)
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case Linebreak:
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w.writeLinebreak(n)
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case RegularLink:
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w.writeRegularLink(n)
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case FootnoteLink:
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w.writeFootnoteLink(n)
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default:
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if n != nil {
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panic(fmt.Sprintf("bad node %#v", n))
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}
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}
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}
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}
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func (w *HTMLWriter) writeLines(lines []Node) {
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for i, line := range lines {
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w.writeNodes(line)
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if i != len(lines)-1 && line.(Line).Children != nil {
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w.WriteString(" ")
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}
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}
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}
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func (w *HTMLWriter) writeBlock(b Block) {
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w.WriteString("<code>")
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lang := ""
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if len(b.Parameters) >= 1 {
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lang = b.Parameters[0]
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}
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lines := []string{}
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for _, n := range b.Children {
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lines = append(lines, n.(Line).Children[0].(Text).Content)
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}
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w.WriteString(w.HighlightCodeBlock(strings.Join(lines, "\n"), lang))
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w.WriteString("</code>\n")
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}
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func (w *HTMLWriter) writeFootnoteDefinition(f FootnoteDefinition) {
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w.WriteString(`<div class="footnote-definition">` + "\n")
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w.WriteString(fmt.Sprintf(`<sup id="footnote-%s">%s</sup>`, f.Name, f.Name) + "\n")
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w.writeNodes(f.Children...)
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w.WriteString("</div>\n")
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}
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func (w *HTMLWriter) writeHeadline(h Headline) {
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w.WriteString(fmt.Sprintf("<h%d>", h.Lvl))
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w.writeNodes(h.Title...)
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w.WriteString(fmt.Sprintf("</h%d>\n", h.Lvl))
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w.writeNodes(h.Children...)
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}
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func (w *HTMLWriter) writeText(t Text) {
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w.WriteString(html.EscapeString(t.Content))
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}
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func (w *HTMLWriter) writeEmphasis(e Emphasis) {
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tags, ok := emphasisTags[e.Kind]
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if !ok {
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panic(fmt.Sprintf("bad emphasis %#v", e))
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}
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w.WriteString(tags[0])
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w.writeNodes(e.Content...)
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w.WriteString(tags[1])
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}
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func (w *HTMLWriter) writeLinebreak(l Linebreak) {
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w.WriteString("<br>\n")
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}
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func (w *HTMLWriter) writeFootnoteLink(l FootnoteLink) {
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name := html.EscapeString(l.Name)
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w.WriteString(fmt.Sprintf(`<sup class="footnote-reference"><a href="#footnote-%s">%s</a></sup>`, name, name))
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}
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func (w *HTMLWriter) writeRegularLink(l RegularLink) {
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url := html.EscapeString(l.URL)
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descriptionWriter := w.emptyClone()
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descriptionWriter.writeNodes(l.Description...)
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description := descriptionWriter.String()
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switch l.Protocol {
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case "file": // TODO
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url = url[len("file:"):]
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if strings.Contains(".png.jpg.jpeg.gif", path.Ext(l.URL)) {
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w.WriteString(fmt.Sprintf(`<img src="%s" alt="%s" title="%s" />`, url, description, description))
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} else {
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w.WriteString(fmt.Sprintf(`<a href="%s">%s</a>`, url, description))
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}
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default:
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w.WriteString(fmt.Sprintf(`<a href="%s">%s</a>`, url, description))
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}
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}
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func (w *HTMLWriter) writeList(l List) {
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tags, ok := listTags[l.Kind]
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if !ok {
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panic(fmt.Sprintf("bad list kind %#v", l))
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}
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w.WriteString(tags[0] + "\n")
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w.writeNodes(l.Items...)
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w.WriteString(tags[1] + "\n")
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}
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func (w *HTMLWriter) writeListItem(li ListItem) {
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w.WriteString("<li>")
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if len(li.Children) == 1 {
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if p, ok := li.Children[0].(Paragraph); ok {
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w.writeLines(p.Children)
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}
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} else {
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w.writeNodes(li.Children...)
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}
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w.WriteString("</li>\n")
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}
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func (w *HTMLWriter) writeLine(l Line) {
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w.writeNodes(l.Children...)
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}
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func (w *HTMLWriter) writeParagraph(p Paragraph) {
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if len(p.Children) == 1 && p.Children[0].(Line).Children == nil {
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return
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}
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w.WriteString("<p>")
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w.writeLines(p.Children)
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w.WriteString("</p>\n")
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}
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func (w *HTMLWriter) writeHorizontalRule(h HorizontalRule) {
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w.WriteString("<hr>\n")
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}
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func (w *HTMLWriter) writeTable(t Table) {
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w.WriteString("<table>")
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w.writeNodes(t.Header)
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w.WriteString("<tbody>")
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w.writeNodes(t.Rows...)
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w.WriteString("</tbody>\n</table>\n")
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}
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func (w *HTMLWriter) writeTableRow(t TableRow) {
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w.WriteString("\n<tr>\n")
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for _, column := range t.Columns {
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w.WriteString("<td>")
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w.writeNodes(column...)
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w.WriteString("</td>")
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}
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w.WriteString("\n</tr>\n")
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}
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func (w *HTMLWriter) writeTableHeader(t TableHeader) {
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w.WriteString("\n<thead>\n")
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for _, column := range t.Columns {
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w.WriteString("<th>")
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w.writeNodes(column...)
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w.WriteString("</th>")
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}
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w.WriteString("\n</thead>\n")
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}
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func (w *HTMLWriter) writeTableSeparator(t TableSeparator) {
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w.WriteString("\n<tr></tr>\n")
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}
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