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Insert code tag for server-side syntax highlighting
Inserts a code tag into Pygments output with the language-info that is present when using client-side highlighting (useful for CSS hooks) ```html <code class="language-go" data-lang="go"> ``` closes #1490
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6a3aced15a
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2 changed files with 12 additions and 3 deletions
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@ -38,7 +38,7 @@ func TestCodeFence(t *testing.T) {
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input, expected string
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}
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data := []test{
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{true, "<html></html>", "<div class=\"highlight\"><pre><span class=\"nt\"><html></html></span>\n</pre></div>\n"},
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{true, "<html></html>", "<div class=\"highlight\"><pre><code class=\"language-html\" data-lang=\"html\"><span class=\"nt\"><html></html></span>\n</code></pre></div>\n"},
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{false, "<html></html>", "<pre><code class=\"language-html\"><html></html></code></pre>\n"},
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}
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@ -111,14 +111,23 @@ func Highlight(code, lang, optsStr string) string {
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return code
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}
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str := out.String()
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// inject code tag into Pygments output
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if lang != "" && strings.Contains(str, "<pre>") {
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codeTag := fmt.Sprintf(`<pre><code class="language-%s" data-lang="%s">`, lang, lang)
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str = strings.Replace(str, "<pre>", codeTag, 1)
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str = strings.Replace(str, "</pre>", "</code></pre>", 1)
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}
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if cachefile != "" {
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// Write cache file
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if err := WriteToDisk(cachefile, bytes.NewReader(out.Bytes()), fs); err != nil {
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if err := WriteToDisk(cachefile, strings.NewReader(str), fs); err != nil {
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jww.ERROR.Print(stderr.String())
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}
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}
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return out.String()
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return str
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}
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var pygmentsKeywords = make(map[string]bool)
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