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Add support for GitHub-flavoured markdown code fences for highlighting
This commit adds a new PygmentsCodeFences config option (default false), which if true will allow GitHub style backtick code fences around code, which will then be rendered by Pygments. For example: ``` language your code ``` can be used instead of {{< highlight language >}}your code {{< /highlight >}}. Fixes #362
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3 changed files with 28 additions and 1 deletions
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@ -148,6 +148,7 @@ func LoadDefaultSettings() {
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viper.SetDefault("PygmentsStyle", "monokai")
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viper.SetDefault("DefaultExtension", "html")
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viper.SetDefault("PygmentsUseClasses", false)
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viper.SetDefault("PygmentsCodeFences", false)
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viper.SetDefault("DisableLiveReload", false)
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viper.SetDefault("PluralizeListTitles", true)
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viper.SetDefault("PreserveTaxonomyNames", false)
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@ -167,9 +167,12 @@ func GetHTMLRenderer(defaultFlags int, ctx *RenderingContext) blackfriday.Render
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htmlFlags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES
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}
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return blackfriday.HtmlRendererWithParameters(htmlFlags, "", "", renderParameters)
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return &HugoHtmlRenderer{
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blackfriday.HtmlRendererWithParameters(htmlFlags, "", "", renderParameters),
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}
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}
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func getMarkdownExtensions(ctx *RenderingContext) int {
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flags := 0 | blackfriday.EXTENSION_NO_INTRA_EMPHASIS |
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blackfriday.EXTENSION_TABLES | blackfriday.EXTENSION_FENCED_CODE |
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23
helpers/content_renderer.go
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23
helpers/content_renderer.go
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@ -0,0 +1,23 @@
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package helpers
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import (
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"bytes"
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"html"
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"github.com/russross/blackfriday"
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"github.com/spf13/viper"
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)
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// Wraps a blackfriday.Renderer, typically a blackfriday.Html
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type HugoHtmlRenderer struct {
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blackfriday.Renderer
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}
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func (renderer *HugoHtmlRenderer) BlockCode(out *bytes.Buffer, text []byte, lang string) {
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if viper.GetBool("PygmentsCodeFences") {
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str := html.UnescapeString(string(text))
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out.WriteString(Highlight(str, lang, ""))
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} else {
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renderer.Renderer.BlockCode(out, text, lang)
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}
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}
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