require 'maruku'

class Maruku
  include Stringlike
  
  attr_reader :text
  
	def initialize(s=nil, meta={})
		super(nil)
		self.attributes.merge! meta
		if s
		  @text = s
			parse_doc(s)
		end
	end
	
	# Used to get the original Markdown text.
	def to_s
	  @text
  end
  
  # used to be compatable with Rails/ActiveSupport
  def blank?
    @text.blank?
  end
	
end

class String
  alias_method :to_html, :to_s
  
  def to_xml
    REXML::Text.new(self)
  end
end

module MaRuKu # :nodoc:
  module Out # :nodoc:
    module HTML
      
      # We patch this method to play nicely with our own modifications of String.
      #
      # It originally used a +to_html+ method on String we've swapped this out for a +to_xml+ 
      # method because we need +to_html+ to return the original text on plain text fields of
      # the variable language option on +acts_as_markup+
      def array_to_html(array)
    		elements = []
    		array.each do |item|
    			method = item.kind_of?(MDElement) ? "to_html_#{item.node_type}" : "to_xml"
          unless item.respond_to?(method)
    				next
    			end

    			html_text =  item.send(method)
          if html_text.nil?
    				raise "Nil html created by method  #{method}:\n#{html_text.inspect}\n for object #{item.inspect[0,300]}"
    			end

    			if html_text.kind_of?Array
    				elements = elements + html_text
    			else
    				elements << html_text
    			end
    		end
    		elements
    	end

    end
  end
end