mirror of
https://github.com/go-gitea/gitea
synced 2024-09-19 10:16:03 +00:00
d1353e1f7c
* update code.gitea.io/sdk/gitea v0.13.1 -> v0.13.2 * update github.com/go-swagger/go-swagger v0.25.0 -> v0.26.0 * update github.com/google/uuid v1.1.2 -> v1.2.0 * update github.com/klauspost/compress v1.11.3 -> v1.11.7 * update github.com/lib/pq 083382b7e6fc -> v1.9.0 * update github.com/markbates/goth v1.65.0 -> v1.66.1 * update github.com/mattn/go-sqlite3 v1.14.4 -> v1.14.6 * update github.com/mgechev/revive 246eac737dc7 -> v1.0.3 * update github.com/minio/minio-go/v7 v7.0.6 -> v7.0.7 * update github.com/niklasfasching/go-org v1.3.2 -> v1.4.0 * update github.com/olivere/elastic/v7 v7.0.21 -> v7.0.22 * update github.com/pquerna/otp v1.2.0 -> v1.3.0 * update github.com/xanzy/go-gitlab v0.39.0 -> v0.42.0 * update github.com/yuin/goldmark v1.2.1 -> v1.3.1
598 lines
17 KiB
Go
Vendored
598 lines
17 KiB
Go
Vendored
package org
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import (
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"fmt"
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"html"
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"log"
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"regexp"
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"strconv"
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"strings"
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"unicode"
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h "golang.org/x/net/html"
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"golang.org/x/net/html/atom"
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)
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// HTMLWriter exports an org document into a html document.
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type HTMLWriter struct {
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ExtendingWriter Writer
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HighlightCodeBlock func(source, lang string, inline bool) string
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PrettyRelativeLinks bool
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strings.Builder
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document *Document
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htmlEscape bool
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log *log.Logger
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footnotes *footnotes
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}
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type footnotes struct {
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mapping map[string]int
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list []*FootnoteDefinition
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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{"<sup>", "</sup>"},
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}
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var listTags = map[string][]string{
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"unordered": []string{"<ul>", "</ul>"},
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"ordered": []string{"<ol>", "</ol>"},
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"descriptive": []string{"<dl>", "</dl>"},
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}
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var listItemStatuses = map[string]string{
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" ": "unchecked",
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"-": "indeterminate",
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"X": "checked",
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}
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var cleanHeadlineTitleForHTMLAnchorRegexp = regexp.MustCompile(`</?a[^>]*>`) // nested a tags are not valid HTML
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func NewHTMLWriter() *HTMLWriter {
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defaultConfig := New()
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return &HTMLWriter{
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document: &Document{Configuration: defaultConfig},
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log: defaultConfig.Log,
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htmlEscape: true,
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HighlightCodeBlock: func(source, lang string, inline bool) string {
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if inline {
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return fmt.Sprintf("<div class=\"highlight-inline\">\n<pre>\n%s\n</pre>\n</div>", html.EscapeString(source))
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}
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return fmt.Sprintf("<div class=\"highlight\">\n<pre>\n%s\n</pre>\n</div>", html.EscapeString(source))
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},
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footnotes: &footnotes{
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mapping: map[string]int{},
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},
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}
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}
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func (w *HTMLWriter) WriteNodesAsString(nodes ...Node) string {
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original := w.Builder
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w.Builder = strings.Builder{}
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WriteNodes(w, nodes...)
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out := w.String()
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w.Builder = original
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return out
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}
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func (w *HTMLWriter) WriterWithExtensions() Writer {
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if w.ExtendingWriter != nil {
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return w.ExtendingWriter
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}
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return w
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}
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func (w *HTMLWriter) Before(d *Document) {
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w.document = d
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w.log = d.Log
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if title := d.Get("TITLE"); title != "" && w.document.GetOption("title") != "nil" {
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titleDocument := d.Parse(strings.NewReader(title), d.Path)
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if titleDocument.Error == nil {
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title = w.WriteNodesAsString(titleDocument.Nodes...)
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}
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w.WriteString(fmt.Sprintf(`<h1 class="title">%s</h1>`+"\n", title))
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}
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w.WriteOutline(d)
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}
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func (w *HTMLWriter) After(d *Document) {
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w.WriteFootnotes(d)
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}
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func (w *HTMLWriter) WriteComment(Comment) {}
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func (w *HTMLWriter) WritePropertyDrawer(PropertyDrawer) {}
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func (w *HTMLWriter) WriteBlock(b Block) {
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content, params := w.blockContent(b.Name, b.Children), b.ParameterMap()
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switch b.Name {
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case "SRC":
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if params[":exports"] == "results" || params[":exports"] == "none" {
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break
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}
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lang := "text"
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if len(b.Parameters) >= 1 {
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lang = strings.ToLower(b.Parameters[0])
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}
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content = w.HighlightCodeBlock(content, lang, false)
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w.WriteString(fmt.Sprintf("<div class=\"src src-%s\">\n%s\n</div>\n", lang, content))
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case "EXAMPLE":
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w.WriteString(`<pre class="example">` + "\n" + html.EscapeString(content) + "\n</pre>\n")
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case "EXPORT":
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if len(b.Parameters) >= 1 && strings.ToLower(b.Parameters[0]) == "html" {
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w.WriteString(content + "\n")
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}
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case "QUOTE":
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w.WriteString("<blockquote>\n" + content + "</blockquote>\n")
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case "CENTER":
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w.WriteString(`<div class="center-block" style="text-align: center; margin-left: auto; margin-right: auto;">` + "\n")
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w.WriteString(content + "</div>\n")
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default:
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w.WriteString(fmt.Sprintf(`<div class="%s-block">`, strings.ToLower(b.Name)) + "\n")
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w.WriteString(content + "</div>\n")
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}
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if b.Result != nil && params[":exports"] != "code" && params[":exports"] != "none" {
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WriteNodes(w, b.Result)
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}
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}
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func (w *HTMLWriter) WriteResult(r Result) { WriteNodes(w, r.Node) }
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func (w *HTMLWriter) WriteInlineBlock(b InlineBlock) {
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content := w.blockContent(strings.ToUpper(b.Name), b.Children)
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switch b.Name {
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case "src":
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lang := strings.ToLower(b.Parameters[0])
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content = w.HighlightCodeBlock(content, lang, true)
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w.WriteString(fmt.Sprintf("<div class=\"src src-inline src-%s\">\n%s\n</div>", lang, content))
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case "export":
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if strings.ToLower(b.Parameters[0]) == "html" {
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w.WriteString(content)
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}
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}
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}
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func (w *HTMLWriter) WriteDrawer(d Drawer) {
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WriteNodes(w, d.Children...)
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}
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func (w *HTMLWriter) WriteKeyword(k Keyword) {
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if k.Key == "HTML" {
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w.WriteString(k.Value + "\n")
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}
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}
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func (w *HTMLWriter) WriteInclude(i Include) {
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WriteNodes(w, i.Resolve())
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}
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func (w *HTMLWriter) WriteFootnoteDefinition(f FootnoteDefinition) {
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w.footnotes.updateDefinition(f)
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}
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func (w *HTMLWriter) WriteFootnotes(d *Document) {
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if w.document.GetOption("f") == "nil" || len(w.footnotes.list) == 0 {
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return
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}
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w.WriteString(`<div class="footnotes">` + "\n")
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w.WriteString(`<hr class="footnotes-separatator">` + "\n")
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w.WriteString(`<div class="footnote-definitions">` + "\n")
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for i, definition := range w.footnotes.list {
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id := i + 1
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if definition == nil {
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name := ""
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for k, v := range w.footnotes.mapping {
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if v == i {
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name = k
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}
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}
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w.log.Printf("Missing footnote definition for [fn:%s] (#%d)", name, id)
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continue
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}
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w.WriteString(`<div class="footnote-definition">` + "\n")
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w.WriteString(fmt.Sprintf(`<sup id="footnote-%d"><a href="#footnote-reference-%d">%d</a></sup>`, id, id, id) + "\n")
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w.WriteString(`<div class="footnote-body">` + "\n")
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WriteNodes(w, definition.Children...)
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w.WriteString("</div>\n</div>\n")
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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) WriteOutline(d *Document) {
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if w.document.GetOption("toc") != "nil" && len(d.Outline.Children) != 0 {
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maxLvl, _ := strconv.Atoi(w.document.GetOption("toc"))
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w.WriteString("<nav>\n<ul>\n")
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for _, section := range d.Outline.Children {
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w.writeSection(section, maxLvl)
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}
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w.WriteString("</ul>\n</nav>\n")
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}
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}
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func (w *HTMLWriter) writeSection(section *Section, maxLvl int) {
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if maxLvl != 0 && section.Headline.Lvl > maxLvl {
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return
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}
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// NOTE: To satisfy hugo ExtractTOC() check we cannot use `<li>\n` here. Doesn't really matter, just a note.
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w.WriteString("<li>")
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h := section.Headline
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title := cleanHeadlineTitleForHTMLAnchorRegexp.ReplaceAllString(w.WriteNodesAsString(h.Title...), "")
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w.WriteString(fmt.Sprintf("<a href=\"#%s\">%s</a>\n", h.ID(), title))
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hasChildren := false
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for _, section := range section.Children {
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hasChildren = hasChildren || maxLvl == 0 || section.Headline.Lvl <= maxLvl
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}
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if hasChildren {
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w.WriteString("<ul>\n")
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for _, section := range section.Children {
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w.writeSection(section, maxLvl)
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}
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w.WriteString("</ul>\n")
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}
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w.WriteString("</li>\n")
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}
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func (w *HTMLWriter) WriteHeadline(h Headline) {
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for _, excludeTag := range strings.Fields(w.document.Get("EXCLUDE_TAGS")) {
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for _, tag := range h.Tags {
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if excludeTag == tag {
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return
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}
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}
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}
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w.WriteString(fmt.Sprintf(`<div id="outline-container-%s" class="outline-%d">`, h.ID(), h.Lvl+1) + "\n")
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w.WriteString(fmt.Sprintf(`<h%d id="%s">`, h.Lvl+1, h.ID()) + "\n")
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if w.document.GetOption("todo") != "nil" && h.Status != "" {
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w.WriteString(fmt.Sprintf(`<span class="todo">%s</span>`, h.Status) + "\n")
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}
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if w.document.GetOption("pri") != "nil" && h.Priority != "" {
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w.WriteString(fmt.Sprintf(`<span class="priority">[%s]</span>`, h.Priority) + "\n")
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}
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WriteNodes(w, h.Title...)
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if w.document.GetOption("tags") != "nil" && len(h.Tags) != 0 {
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tags := make([]string, len(h.Tags))
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for i, tag := range h.Tags {
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tags[i] = fmt.Sprintf(`<span>%s</span>`, tag)
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}
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w.WriteString("   ")
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w.WriteString(fmt.Sprintf(`<span class="tags">%s</span>`, strings.Join(tags, " ")))
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}
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w.WriteString(fmt.Sprintf("\n</h%d>\n", h.Lvl+1))
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if content := w.WriteNodesAsString(h.Children...); content != "" {
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w.WriteString(fmt.Sprintf(`<div id="outline-text-%s" class="outline-text-%d">`, h.ID(), h.Lvl+1) + "\n" + content + "</div>\n")
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}
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w.WriteString("</div>\n")
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}
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func (w *HTMLWriter) WriteText(t Text) {
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if !w.htmlEscape {
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w.WriteString(t.Content)
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} else if w.document.GetOption("e") == "nil" || t.IsRaw {
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w.WriteString(html.EscapeString(t.Content))
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} else {
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w.WriteString(html.EscapeString(htmlEntityReplacer.Replace(t.Content)))
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}
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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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WriteNodes(w, e.Content...)
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w.WriteString(tags[1])
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}
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func (w *HTMLWriter) WriteLatexFragment(l LatexFragment) {
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w.WriteString(l.OpeningPair)
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WriteNodes(w, l.Content...)
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w.WriteString(l.ClosingPair)
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}
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func (w *HTMLWriter) WriteStatisticToken(s StatisticToken) {
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w.WriteString(fmt.Sprintf(`<code class="statistic">[%s]</code>`, s.Content))
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}
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func (w *HTMLWriter) WriteLineBreak(l LineBreak) {
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w.WriteString(strings.Repeat("\n", l.Count))
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}
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func (w *HTMLWriter) WriteExplicitLineBreak(l ExplicitLineBreak) {
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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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if w.document.GetOption("f") == "nil" {
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return
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}
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i := w.footnotes.add(l)
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id := i + 1
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w.WriteString(fmt.Sprintf(`<sup class="footnote-reference"><a id="footnote-reference-%d" href="#footnote-%d">%d</a></sup>`, id, id, id))
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}
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func (w *HTMLWriter) WriteTimestamp(t Timestamp) {
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if w.document.GetOption("<") == "nil" {
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return
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}
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w.WriteString(`<span class="timestamp"><`)
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if t.IsDate {
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w.WriteString(t.Time.Format(datestampFormat))
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} else {
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w.WriteString(t.Time.Format(timestampFormat))
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}
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if t.Interval != "" {
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w.WriteString(" " + t.Interval)
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}
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w.WriteString(`></span>`)
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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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if l.Protocol == "file" {
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url = url[len("file:"):]
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}
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if isRelative := l.Protocol == "file" || l.Protocol == ""; isRelative && w.PrettyRelativeLinks {
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if !strings.HasPrefix(url, "/") {
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url = "../" + url
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}
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if strings.HasSuffix(url, ".org") {
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url = strings.TrimSuffix(url, ".org") + "/"
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}
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} else if isRelative && strings.HasSuffix(url, ".org") {
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url = strings.TrimSuffix(url, ".org") + ".html"
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}
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if prefix := w.document.Links[l.Protocol]; prefix != "" {
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url = html.EscapeString(prefix) + strings.TrimPrefix(url, l.Protocol+":")
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}
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switch l.Kind() {
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case "image":
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if l.Description == nil {
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w.WriteString(fmt.Sprintf(`<img src="%s" alt="%s" title="%s" />`, url, url, url))
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} else {
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description := strings.TrimPrefix(String(l.Description), "file:")
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w.WriteString(fmt.Sprintf(`<a href="%s"><img src="%s" alt="%s" /></a>`, url, description, description))
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}
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case "video":
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if l.Description == nil {
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w.WriteString(fmt.Sprintf(`<video src="%s" title="%s">%s</video>`, url, url, url))
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} else {
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description := strings.TrimPrefix(String(l.Description), "file:")
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w.WriteString(fmt.Sprintf(`<a href="%s"><video src="%s" title="%s"></video></a>`, url, description, description))
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}
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default:
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description := url
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if l.Description != nil {
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description = w.WriteNodesAsString(l.Description...)
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}
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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) WriteMacro(m Macro) {
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if macro := w.document.Macros[m.Name]; macro != "" {
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for i, param := range m.Parameters {
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macro = strings.Replace(macro, fmt.Sprintf("$%d", i+1), param, -1)
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}
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macroDocument := w.document.Parse(strings.NewReader(macro), w.document.Path)
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if macroDocument.Error != nil {
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w.log.Printf("bad macro: %s -> %s: %v", m.Name, macro, macroDocument.Error)
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}
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WriteNodes(w, macroDocument.Nodes...)
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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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WriteNodes(w, 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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if li.Status != "" {
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w.WriteString(fmt.Sprintf("<li class=\"%s\">\n", listItemStatuses[li.Status]))
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} else {
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w.WriteString("<li>\n")
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}
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WriteNodes(w, li.Children...)
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w.WriteString("</li>\n")
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}
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func (w *HTMLWriter) WriteDescriptiveListItem(di DescriptiveListItem) {
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if di.Status != "" {
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w.WriteString(fmt.Sprintf("<dt class=\"%s\">\n", listItemStatuses[di.Status]))
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} else {
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w.WriteString("<dt>\n")
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}
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if len(di.Term) != 0 {
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WriteNodes(w, di.Term...)
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} else {
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w.WriteString("?")
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}
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w.WriteString("\n</dt>\n")
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w.WriteString("<dd>\n")
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WriteNodes(w, di.Details...)
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w.WriteString("</dd>\n")
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}
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func (w *HTMLWriter) WriteParagraph(p Paragraph) {
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if len(p.Children) == 0 {
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return
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}
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w.WriteString("<p>")
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WriteNodes(w, p.Children...)
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w.WriteString("</p>\n")
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}
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func (w *HTMLWriter) WriteExample(e Example) {
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w.WriteString(`<pre class="example">` + "\n")
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if len(e.Children) != 0 {
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for _, n := range e.Children {
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WriteNodes(w, n)
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w.WriteString("\n")
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}
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}
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w.WriteString("</pre>\n")
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}
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func (w *HTMLWriter) WriteHorizontalRule(h HorizontalRule) {
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|
w.WriteString("<hr>\n")
|
|
}
|
|
|
|
func (w *HTMLWriter) WriteNodeWithMeta(n NodeWithMeta) {
|
|
out := w.WriteNodesAsString(n.Node)
|
|
if p, ok := n.Node.(Paragraph); ok {
|
|
if len(p.Children) == 1 && isImageOrVideoLink(p.Children[0]) {
|
|
out = w.WriteNodesAsString(p.Children[0])
|
|
}
|
|
}
|
|
for _, attributes := range n.Meta.HTMLAttributes {
|
|
out = w.withHTMLAttributes(out, attributes...) + "\n"
|
|
}
|
|
if len(n.Meta.Caption) != 0 {
|
|
caption := ""
|
|
for i, ns := range n.Meta.Caption {
|
|
if i != 0 {
|
|
caption += " "
|
|
}
|
|
caption += w.WriteNodesAsString(ns...)
|
|
}
|
|
out = fmt.Sprintf("<figure>\n%s<figcaption>\n%s\n</figcaption>\n</figure>\n", out, caption)
|
|
}
|
|
w.WriteString(out)
|
|
}
|
|
|
|
func (w *HTMLWriter) WriteNodeWithName(n NodeWithName) {
|
|
WriteNodes(w, n.Node)
|
|
}
|
|
|
|
func (w *HTMLWriter) WriteTable(t Table) {
|
|
w.WriteString("<table>\n")
|
|
inHead := len(t.SeparatorIndices) > 0 &&
|
|
t.SeparatorIndices[0] != len(t.Rows)-1 &&
|
|
(t.SeparatorIndices[0] != 0 || len(t.SeparatorIndices) > 1 && t.SeparatorIndices[len(t.SeparatorIndices)-1] != len(t.Rows)-1)
|
|
if inHead {
|
|
w.WriteString("<thead>\n")
|
|
} else {
|
|
w.WriteString("<tbody>\n")
|
|
}
|
|
for i, row := range t.Rows {
|
|
if len(row.Columns) == 0 && i != 0 && i != len(t.Rows)-1 {
|
|
if inHead {
|
|
w.WriteString("</thead>\n<tbody>\n")
|
|
inHead = false
|
|
} else {
|
|
w.WriteString("</tbody>\n<tbody>\n")
|
|
}
|
|
}
|
|
if row.IsSpecial {
|
|
continue
|
|
}
|
|
if inHead {
|
|
w.writeTableColumns(row.Columns, "th")
|
|
} else {
|
|
w.writeTableColumns(row.Columns, "td")
|
|
}
|
|
}
|
|
w.WriteString("</tbody>\n</table>\n")
|
|
}
|
|
|
|
func (w *HTMLWriter) writeTableColumns(columns []Column, tag string) {
|
|
w.WriteString("<tr>\n")
|
|
for _, column := range columns {
|
|
if column.Align == "" {
|
|
w.WriteString(fmt.Sprintf("<%s>", tag))
|
|
} else {
|
|
w.WriteString(fmt.Sprintf(`<%s class="align-%s">`, tag, column.Align))
|
|
}
|
|
WriteNodes(w, column.Children...)
|
|
w.WriteString(fmt.Sprintf("</%s>\n", tag))
|
|
}
|
|
w.WriteString("</tr>\n")
|
|
}
|
|
|
|
func (w *HTMLWriter) withHTMLAttributes(input string, kvs ...string) string {
|
|
if len(kvs)%2 != 0 {
|
|
w.log.Printf("withHTMLAttributes: Len of kvs must be even: %#v", kvs)
|
|
return input
|
|
}
|
|
context := &h.Node{Type: h.ElementNode, Data: "body", DataAtom: atom.Body}
|
|
nodes, err := h.ParseFragment(strings.NewReader(strings.TrimSpace(input)), context)
|
|
if err != nil || len(nodes) != 1 {
|
|
w.log.Printf("withHTMLAttributes: Could not extend attributes of %s: %v (%s)", input, nodes, err)
|
|
return input
|
|
}
|
|
out, node := strings.Builder{}, nodes[0]
|
|
for i := 0; i < len(kvs)-1; i += 2 {
|
|
node.Attr = setHTMLAttribute(node.Attr, strings.TrimPrefix(kvs[i], ":"), kvs[i+1])
|
|
}
|
|
err = h.Render(&out, nodes[0])
|
|
if err != nil {
|
|
w.log.Printf("withHTMLAttributes: Could not extend attributes of %s: %v (%s)", input, node, err)
|
|
return input
|
|
}
|
|
return out.String()
|
|
}
|
|
|
|
func (w *HTMLWriter) blockContent(name string, children []Node) string {
|
|
if isRawTextBlock(name) {
|
|
builder, htmlEscape := w.Builder, w.htmlEscape
|
|
w.Builder, w.htmlEscape = strings.Builder{}, false
|
|
WriteNodes(w, children...)
|
|
out := w.String()
|
|
w.Builder, w.htmlEscape = builder, htmlEscape
|
|
return strings.TrimRightFunc(out, unicode.IsSpace)
|
|
} else {
|
|
return w.WriteNodesAsString(children...)
|
|
}
|
|
}
|
|
|
|
func setHTMLAttribute(attributes []h.Attribute, k, v string) []h.Attribute {
|
|
for i, a := range attributes {
|
|
if strings.ToLower(a.Key) == strings.ToLower(k) {
|
|
switch strings.ToLower(k) {
|
|
case "class", "style":
|
|
attributes[i].Val += " " + v
|
|
default:
|
|
attributes[i].Val = v
|
|
}
|
|
return attributes
|
|
}
|
|
}
|
|
return append(attributes, h.Attribute{Namespace: "", Key: k, Val: v})
|
|
}
|
|
|
|
func (fs *footnotes) add(f FootnoteLink) int {
|
|
if i, ok := fs.mapping[f.Name]; ok && f.Name != "" {
|
|
return i
|
|
}
|
|
fs.list = append(fs.list, f.Definition)
|
|
i := len(fs.list) - 1
|
|
if f.Name != "" {
|
|
fs.mapping[f.Name] = i
|
|
}
|
|
return i
|
|
}
|
|
|
|
func (fs *footnotes) updateDefinition(f FootnoteDefinition) {
|
|
if i, ok := fs.mapping[f.Name]; ok {
|
|
fs.list[i] = &f
|
|
}
|
|
}
|