Insert code tag for server-side syntax highlighting - hugo - [fork] hugo port for 9front
HTML git clone git@git.drkhsh.at/hugo.git
DIR Log
DIR Files
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DIR Submodules
DIR README
DIR LICENSE
---
DIR commit ec9c6912163f9ca3c10ad75aba939a76ec96e932
DIR parent 6a3aced15a402183b7c92817a259c44d890cf7be
HTML Author: Nathan Youngman <git@nathany.com>
Date: Wed, 14 Oct 2015 15:10:50 -0600
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
Diffstat:
M helpers/content_renderer_test.go | 2 +-
M helpers/pygments.go | 13 +++++++++++--
2 files changed, 12 insertions(+), 3 deletions(-)
---
DIR diff --git a/helpers/content_renderer_test.go b/helpers/content_renderer_test.go
@@ -38,7 +38,7 @@ func TestCodeFence(t *testing.T) {
input, expected string
}
data := []test{
- {true, "<html></html>", "<div class=\"highlight\"><pre><span class=\"nt\"><html></html></span>\n</pre></div>\n"},
+ {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"},
{false, "<html></html>", "<pre><code class=\"language-html\"><html></html></code></pre>\n"},
}
DIR diff --git a/helpers/pygments.go b/helpers/pygments.go
@@ -111,14 +111,23 @@ func Highlight(code, lang, optsStr string) string {
return code
}
+ str := out.String()
+
+ // inject code tag into Pygments output
+ if lang != "" && strings.Contains(str, "<pre>") {
+ codeTag := fmt.Sprintf(`<pre><code class="language-%s" data-lang="%s">`, lang, lang)
+ str = strings.Replace(str, "<pre>", codeTag, 1)
+ str = strings.Replace(str, "</pre>", "</code></pre>", 1)
+ }
+
if cachefile != "" {
// Write cache file
- if err := WriteToDisk(cachefile, bytes.NewReader(out.Bytes()), fs); err != nil {
+ if err := WriteToDisk(cachefile, strings.NewReader(str), fs); err != nil {
jww.ERROR.Print(stderr.String())
}
}
- return out.String()
+ return str
}
var pygmentsKeywords = make(map[string]bool)