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@rpherrera
Forked from 23maverick23/font_awesome.rb
Last active August 29, 2015 14:16
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##
# The MIT License (MIT)
#
# Copyright (c) 2014 Ryan Morrissey
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
#
# Font Awesome Icons Liquid Tag
# Documentation can be found at http://fontawesome.io/
#
# Example:
# {% icon fa-camera-retro %}
# {% icon fa-camera-retro fa-lg %}
# {% icon fa-spinner fa-spin %}
# {% icon fa-shield fa-rotate-90 %}
module Jekyll
class FontAwesomeTag < Liquid::Tag
def render(context)
if tag_contents = determine_arguments(@markup.strip)
icon_class, icon_extra = tag_contents[0], tag_contents[1]
icon_tag(icon_class, icon_extra)
else
raise ArgumentError.new <<-eos
Syntax error in tag 'icon' while parsing the following markup:
#{@markup}
Valid syntax:
for icons: {% icon fa-camera-retro %}
for icons with size/spin/rotate: {% icon fa-camera-retro fa-lg %}
eos
end
end
private
def determine_arguments(input)
matched = input.match(/\A(\S+) ?(\S+)?\Z/)
[matched[1].to_s.strip, matched[2].to_s.strip] if matched && matched.length >= 3
end
def icon_tag(icon_class, icon_extra = nil)
if icon_extra.empty?
"<i class=\"fa #{icon_class}\"></i>"
else
"<i class=\"fa #{icon_class} #{icon_extra}\"></i>"
end
end
end
end
Liquid::Template.register_tag('icon', Jekyll::FontAwesomeTag)
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