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41 lines
1.0 KiB
41 lines
1.0 KiB
# Title: Simple Image tag for Jekyll
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# Author: Brandon Mathis http://brandonmathis.com
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# Description: Easily output images with optional class names and title/alt attributes
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#
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# Syntax {% image [class name(s)] url [title text] %}
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#
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# Example:
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# {% ima left half http://site.com/images/ninja.png Ninja Attack! %}
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#
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# Output:
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# <image class='left' src="http://site.com/images/ninja.png" title="Ninja Attack!" alt="Ninja Attack!">
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#
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module Jekyll
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class ImageTag < Liquid::Tag
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@img = nil
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@title = nil
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@class = ''
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def initialize(tag_name, markup, tokens)
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if markup =~ /(\S.*\s+)?(https?:\/\/|\/)(\S+)(\s+.+)?/i
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@class = $1
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@img = $2 + $3
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@title = $4
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end
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super
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end
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def render(context)
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output = super
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if @img
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"<img class='#{@class}' src='#{@img}' alt='#{@title}' title='#{@title}'>"
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else
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"Error processing input, expected syntax: {% img [class name(s)] /url/to/image [title text] %}"
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end
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end
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end
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end
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Liquid::Template.register_tag('img', Jekyll::ImageTag)
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