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Contents
# rubocop:disable Naming/FileName
require "octicons"
require "jekyll-octicons/version"
require "liquid"
require "jekyll/liquid_extensions"
module Jekyll
class Octicons < Liquid::Tag
include Jekyll::LiquidExtensions
# Syntax for the octicon symbol
Syntax = /\A(#{Liquid::VariableSignature}+)/
# For interpoaltion, look for liquid variables
Variable = /\{\{\s*([\w]+\.?[\w]*)\s*\}\}/i
# Copied from Liquid::TagAttributes to allow dashes in tag names:
#
# {% octicon alert area-label:"Hello World!" %}
#
TagAttributes = /([\w-]+)\s*\:\s*(#{Liquid::QuotedFragment})/o
def initialize(tag_name, markup, options)
super
@markup = markup
# If there's interpoaltion going on, we need to do this in render
prepare(markup) unless match = markup.match(Variable)
end
def render(context)
prepare(interpolate(@markup, context)) if match = @markup.match(Variable)
return nil if @symbol.nil?
::Octicons::Octicon.new(@symbol, @options).to_svg
end
private
def interpolate(markup, context)
markup.scan Variable do |variable|
markup = markup.gsub(Variable, lookup_variable(context, variable.first))
end
markup
end
def prepare(markup)
@symbol = symbol(markup)
@options = string_to_hash(markup)
end
def symbol(markup)
if match = markup.match(Syntax)
match[1]
end
end
# Create a ruby hash from a string passed by the jekyll tag
def string_to_hash(markup)
options = {}
if match = markup.match(Syntax)
markup.scan(TagAttributes) do |key, value|
options[key.to_sym] = value.gsub(/\A"|"\z/, "")
end
end
options
end
end
end
Liquid::Template.register_tag("octicon", Jekyll::Octicons)
Version data entries
47 entries across 47 versions & 1 rubygems