#
 # Author: Josediaz Gonzalez - https://github.com/josegonzalez
 # Source URL: https://github.com/josegonzalez/josediazgonzalez.com/blob/master/_plugins/blockquote.rb

 # Modified by Brandon Mathis removed pullquotes and added simple cite paramaters

 #
 require './_plugins/titlecase.rb'
 module Jekyll
 
   # Outputs a string with a given attribution as a quote
   #
   #   {% blockquote John Paul Jones %}
   #     Monkeys!
   #   {% endblockquote %}
   #   ...
   #   <blockquote>
   #     Monkeys!
   #     <br />
   #     John Paul Jones
   #   </blockquote>
   #
   class Blockquote < Liquid::Block
     FullCiteWithTitle = /([\w\s]+)(https?:\/\/)(\S+\s)([\w\s]+)/i
     FullCite = /([\w\s]+)(https?:\/\/)(\S+)/i
     Author =  /([\w\s]+)/
 
     def initialize(tag_name, markup, tokens)
       @by = nil
       @source = nil
       @title = nil
       if markup =~ FullCiteWithTitle
         @by = $1
         @source = $2 + $3
         @title = $4.titlecase
       elsif markup =~ FullCite
         @by = $1
         @source = $2 + $3
       elsif markup =~ Author
         @by = $1
       end
       super
     end
 
     def render(context)
       output = super
       if @by.nil?
         '<blockquote><p>' + output.join + '</p></blockquote>'
       elsif !@title.nil?

         '<blockquote><p>' + output.join + '</p>' + '<p><strong>' + @by + '</strong>' + '<cite><a class="source" href="' + @source + '">' + @title + '</a></cite></p></blockquote>'

       elsif !@source.nil?

         '<blockquote><p>' + output.join + '</p>' + '<p><strong>' + @by + '</strong>' + '<cite><a class="source" href="' + @source + '">source</a></cite></p></blockquote>'

       else

         '<blockquote><p>' + output.join + '</p>' + '<p><strong>' + @by + '</strong></p></blockquote>'

       end
     end
   end
 end
 
 Liquid::Template.register_tag('blockquote', Jekyll::Blockquote)