71 lines
2.3 KiB
Ruby
71 lines
2.3 KiB
Ruby
##
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# The MIT License (MIT)
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#
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# Copyright (c) 2014 Ryan Morrissey
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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#
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# Font Awesome Icons Liquid Tag
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# Documentation can be found at http://fontawesome.io/
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#
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# Example:
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# {% icon fa-camera-retro %}
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# {% icon fa-camera-retro fa-lg %}
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# {% icon fa-spinner fa-spin %}
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# {% icon fa-shield fa-rotate-90 %}
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module Jekyll
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class FontAwesomeTag < Liquid::Tag
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def render(context)
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if tag_contents = determine_arguments(@markup.strip)
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icon_class, icon_extra = tag_contents[0], tag_contents[1]
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icon_tag(icon_class, icon_extra)
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else
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raise ArgumentError.new <<-eos
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Syntax error in tag 'icon' while parsing the following markup:
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#{@markup}
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Valid syntax:
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for icons: {% icon fa-camera-retro %}
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for icons with size/spin/rotate: {% icon fa-camera-retro fa-lg %}
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eos
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end
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end
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private
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def determine_arguments(input)
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matched = input.match(/\A(\S+) ?(\S+)?\Z/)
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[matched[1].to_s.strip, matched[2].to_s.strip] if matched && matched.length >= 3
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end
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def icon_tag(icon_class, icon_extra = nil)
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if icon_extra.empty?
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"<i class=\"fa #{icon_class}\"></i>"
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else
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"<i class=\"fa #{icon_class} #{icon_extra}\"></i>"
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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('icon', Jekyll::FontAwesomeTag) |