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Add site-wide/per-page [blackfriday] fractions option

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Make Blackfriday's `HTML_SMARTYPANTS_FRACTIONS` option
user-configurable.  Defaults to `true` as before.  See
discussions at:

http://discuss.gohugo.io/t/any-way-to-disable-smart-fractions/328

Thanks to @bjornerik and @spf13 for laying the groundwork
making it easy to expose Blackfriday's underlying configurable
options.
This commit is contained in:
Anthony Fok 2015-01-24 12:37:02 -07:00 committed by bep
parent 803865f870
commit eb686352b1
3 changed files with 29 additions and 5 deletions
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2
commands/hugo.go
View file

@ -136,7 +136,7 @@ func InitializeConfig() {
viper.SetDefault("FootnoteAnchorPrefix", "")
viper.SetDefault("FootnoteReturnLinkContents", "")
viper.SetDefault("NewContentEditor", "")
viper.SetDefault("Blackfriday", map[string]bool{"angledQuotes": false, "plainIdAnchors": false})
viper.SetDefault("Blackfriday", map[string]bool{"angledQuotes": false, "fractions": true, "plainIdAnchors": false})
if hugoCmdV.PersistentFlags().Lookup("buildDrafts").Changed {
viper.Set("BuildDrafts", Draft)

21
docs/content/overview/configuration.md
View file

@ -91,6 +91,21 @@ But Hugo does expose some options---as listed in the table below, matched with t
<td class="purpose-description" colspan="2">Enable smart angled double quotes <small>(e.g.&nbsp;<code>"Hugo"</code> renders to «Hugo» instead of “Hugo”)</small></td>
</tr>
<tr>
<td><code>fractions</code></td>
<td><code>true</code></td>
<td><code>HTML_SMARTYPANTS_FRACTIONS</code></td>
</tr>
<tr>
<td class="purpose-title">Purpose:</td>
<td class="purpose-description" colspan="2">Enable smart fractions
<small>(e.g.&nbsp;<code>5/12</code> renders to <sup>5</sup>&frasl;<sub>12</sub> (<code>&lt;sup&gt;5&lt;/sup&gt;&amp;frasl;&lt;sub&gt;12&lt;/sub&gt;</code>))
<strong>Caveat:</strong> Even with <code>fractions = false</code>,
Blackfriday would still convert 1/2, 1/4 and 3/4 to ½&nbsp;(<code>&amp;frac12;</code>),
¼&nbsp;(<code>&amp;frac14;</code>) and ¾&nbsp;(<code>&amp;frac34;</code>) respectively,
but only these three.</small></td>
</tr>
<tr>
<td><code>plainIdAnchors</code></td>
<td><code>false</code></td>
@ -112,11 +127,13 @@ But Hugo does expose some options---as listed in the table below, matched with t
</tr>
<tr>
<td><pre><code>[blackfriday]
angledQuotes = true
plainIdAnchors = true
angledQuotes = true
fractions = false
plainIdAnchors = true
</code></pre></td>
<td><pre><code>blackfriday:
angledQuotes: true
fractions: false
plainIdAnchors: true
</code></pre></td>
</tr>

11
helpers/content.go
View file

@ -95,11 +95,10 @@ func GetHtmlRenderer(defaultFlags int, ctx RenderingContext) blackfriday.Rendere
htmlFlags := defaultFlags
htmlFlags |= blackfriday.HTML_USE_XHTML
htmlFlags |= blackfriday.HTML_USE_SMARTYPANTS
htmlFlags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS
htmlFlags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES
htmlFlags |= blackfriday.HTML_FOOTNOTE_RETURN_LINKS
var angledQuotes bool
var angledQuotes, fractions bool
if m, ok := ctx.ConfigFlags["angledQuotes"]; ok {
angledQuotes = m
@ -109,6 +108,14 @@ func GetHtmlRenderer(defaultFlags int, ctx RenderingContext) blackfriday.Rendere
htmlFlags |= blackfriday.HTML_SMARTYPANTS_ANGLED_QUOTES
}
if m, ok := ctx.ConfigFlags["fractions"]; ok {
fractions = m
}
if fractions {
htmlFlags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS
}
return blackfriday.HtmlRendererWithParameters(htmlFlags, "", "", renderParameters)
}