diff options
Diffstat (limited to 'modules/markup/markdown/markdown.go')
| -rw-r--r-- | modules/markup/markdown/markdown.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/modules/markup/markdown/markdown.go b/modules/markup/markdown/markdown.go index 128268bc88..9197dd2fe1 100644 --- a/modules/markup/markdown/markdown.go +++ b/modules/markup/markdown/markdown.go @@ -15,7 +15,9 @@ import ( "code.gitea.io/gitea/modules/setting" giteautil "code.gitea.io/gitea/modules/util" + chromahtml "github.com/alecthomas/chroma/formatters/html" "github.com/yuin/goldmark" + "github.com/yuin/goldmark-highlighting" meta "github.com/yuin/goldmark-meta" "github.com/yuin/goldmark/extension" "github.com/yuin/goldmark/parser" @@ -49,6 +51,30 @@ func render(body []byte, urlPrefix string, metas map[string]string, wikiMarkdown extension.TaskList, extension.DefinitionList, common.FootnoteExtension, + highlighting.NewHighlighting( + highlighting.WithFormatOptions( + chromahtml.WithClasses(true), + chromahtml.PreventSurroundingPre(true), + ), + highlighting.WithWrapperRenderer(func(w util.BufWriter, c highlighting.CodeBlockContext, entering bool) { + language, _ := c.Language() + if language == nil { + language = []byte("text") + } + if entering { + // include language-x class as part of commonmark spec + _, err := w.WriteString("<pre><code class=\"chroma language-" + string(language) + "\">") + if err != nil { + return + } + } else { + _, err := w.WriteString("</code></pre>") + if err != nil { + return + } + } + }), + ), meta.Meta, ), goldmark.WithParserOptions( |