mirror of
https://github.com/kovetskiy/mark.git
synced 2025-04-24 05:42:40 +08:00
93 lines
2.2 KiB
Go
93 lines
2.2 KiB
Go
package mark
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import (
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"bytes"
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"fmt"
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"regexp"
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"github.com/russross/blackfriday"
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)
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type ConfluenceRenderer struct {
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blackfriday.Renderer
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}
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func (renderer ConfluenceRenderer) BlockCode(
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out *bytes.Buffer,
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text []byte,
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lang string,
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) {
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out.WriteString(MacroCode{lang, text}.Render())
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}
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type MacroCode struct {
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lang string
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code []byte
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}
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func (code MacroCode) Render() string {
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return fmt.Sprintf(
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`<ac:structured-macro ac:name="code">`+
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`<ac:parameter ac:name="language">%s</ac:parameter>`+
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`<ac:parameter ac:name="collapse">false</ac:parameter>`+
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`<ac:plain-text-body><![CDATA[%s]]></ac:plain-text-body>`+
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`</ac:structured-macro>`,
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code.lang, code.code,
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)
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}
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// compileMarkdown will replace tags like <ac:rich-tech-body> with escaped
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// equivalent, because blackfriday markdown parser replaces that tags with
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// <a href="ac:rich-text-body">ac:rich-text-body</a> for whatever reason.
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func CompileMarkdown(
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markdown []byte,
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) []byte {
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log.Tracef(nil, "rendering markdown:\n%s", string(markdown))
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colon := regexp.MustCompile(`---BLACKFRIDAY-COLON---`)
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tags := regexp.MustCompile(`<(/?\S+):(\S+)>`)
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markdown = tags.ReplaceAll(
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markdown,
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[]byte(`<$1`+colon.String()+`$2>`),
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)
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renderer := ConfluenceRenderer{
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blackfriday.HtmlRenderer(
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blackfriday.HTML_USE_XHTML|
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blackfriday.HTML_USE_SMARTYPANTS|
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blackfriday.HTML_SMARTYPANTS_FRACTIONS|
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blackfriday.HTML_SMARTYPANTS_DASHES|
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blackfriday.HTML_SMARTYPANTS_LATEX_DASHES,
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"", "",
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),
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}
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html := blackfriday.MarkdownOptions(
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markdown,
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renderer,
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blackfriday.Options{
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Extensions: blackfriday.EXTENSION_NO_INTRA_EMPHASIS |
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blackfriday.EXTENSION_TABLES |
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blackfriday.EXTENSION_FENCED_CODE |
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blackfriday.EXTENSION_AUTOLINK |
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blackfriday.EXTENSION_LAX_HTML_BLOCKS |
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blackfriday.EXTENSION_STRIKETHROUGH |
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blackfriday.EXTENSION_SPACE_HEADERS |
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blackfriday.EXTENSION_HEADER_IDS |
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blackfriday.EXTENSION_AUTO_HEADER_IDS |
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blackfriday.EXTENSION_TITLEBLOCK |
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blackfriday.EXTENSION_BACKSLASH_LINE_BREAK |
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blackfriday.EXTENSION_DEFINITION_LISTS |
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blackfriday.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK,
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},
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)
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html = colon.ReplaceAll(html, []byte(`:`))
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log.Tracef(nil, "rendered markdown to html:\n%s", string(html))
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return html
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}
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