Module: CS50::Mixins

Included in:
Block, Tag
Defined in:
lib/jekyll-theme-cs50.rb

Instance Method Summary collapse

Instance Method Details

#initialize(tag_name, markup, options) ⇒ Object 



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# File 'lib/jekyll-theme-cs50.rb', line 104

def initialize(tag_name, markup, options)
  @tag_name = tag_name
  @markup = markup
  super
end

#render(context) ⇒ Object 



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# File 'lib/jekyll-theme-cs50.rb', line 110

def render(context)

  # Interpolate any variables, a la render_variable in
  # https://github.com/jekyll/jekyll/blob/master/lib/jekyll/tags/include.rb
  output = @markup.gsub(/\{\{.*?\}\}/) do |s|
    Liquid::Template.parse(s).render(context)
  end

  # Quote unquoted URLs
  output = output.gsub(/(\S+\s*=\s*".*"|\S+\s*=\s*'.*'|".*"|'.*'|\S+)/) do |s|
      if s =~ /^#{URI::regexp}$/
        "\"#{s}\""
      else
        s
      end
  end

  # Parse any arguments
  @args, @kwargs = [], {}
  output.scan(/"[^"]*"|'[^']'|\S+\s*=\s*"[^"]*"|\S+\s*=\s*'[^']*'|\S+\s*=\s*\S+|\S+/).each do |s|
    if s.start_with?("'")
      @args.push(s.gsub(/^'|'$/, ""))
    elsif s.start_with?('"')
      @args.push(s.gsub(/^"|"$/, ""))
    else
      key , value = s.split("=", 2)
      if value.nil?
        @args.push(key)
      else
        @kwargs[key] = value
      end
    end
  end

  # Return any content
  super
end