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| -rw-r--r-- | .themes/classic/plugins/figure_tag.rb | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/.themes/classic/plugins/figure_tag.rb b/.themes/classic/plugins/figure_tag.rb new file mode 100644 index 00000000..550e677f --- /dev/null +++ b/.themes/classic/plugins/figure_tag.rb @@ -0,0 +1,69 @@ +# Title: Simple Image Figure tag for Jekyll +# Author: Brandon Mathis http://brandonmathis.com +# Description: Easily output images in <figure> with an optional <figcaption> and class names. +# +# Syntax {% figure [class name(s)] url [caption text] %} +# +# Example: +# {% figure left half http://site.com/images/ninja.png Ninja Attack! %} +# +# Output: +# <figure class='left half'><img src="http://site.com/images/ninja.png"><figcaption>Ninja Attack!</figcaption></figure> +# +# Example 2 (image with caption) +# {% figure /images/ninja.png Ninja Attack! %} +# +# Output: +# <figure><img src="/images/ninja.png"><figcaption>Ninja Attack!</figcaption></figure> +# +# Example 3 (just an image with classes) +# {% figure right /images/ninja.png %} +# +# Output: +# <figure><img class="right" src="/images/ninja.png"></figure> +# + +module Jekyll + + class FigureImageTag < Liquid::Tag + ClassImgCaption = /(\S[\S\s]*)\s+(https?:\/\/|\/)(\S+)\s+(.+)/i + ClassImg = /(\S[\S\s]*)\s+(https?:\/\/|\/)(\S+)/i + ImgCaption = /^\s*(https?:\/\/|\/)(\S+)\s+(.+)/i + Img = /^\s*(https?:\/\/|\/)(\S+\s)/i + + @img = nil + @caption = nil + @class = '' + + def initialize(tag_name, markup, tokens) + if markup =~ ClassImgCaption + @class = $1 + @img = $2 + $3 + @caption = $4 + elsif markup =~ ClassImg + @class = $1 + @img = $2 + $3 + elsif markup =~ ImgCaption + @img = $1 + $2 + @caption = $3 + elsif markup =~ Img + @img = $1 + $2 + end + super + end + + def render(context) + output = super + if @img + figure = "<figure class='#{@class}'>" + figure += "<img src='#{@img}'>" + figure += "<figcaption>#{@caption}</figcaption>" if @caption + figure += "</figure>" + else + "Error processing input, expected syntax: {% figure [class name(s)] /url/to/image [caption] %}" + end + end + end +end + +Liquid::Template.register_tag('figure', Jekyll::FigureImageTag) |