module MasterView
  module Directives

    #outputs a block around the text tags, if left bracket count is higher than right
    #assume that the end is a right bracket otherwise use end
    class GlobalInlineErb < MasterView::DirectiveBase

      metadata :priority => 'Low',
        :global_directive? => true,
        :category => 'erb',
        :description => 'Inline substitution notation for Erb expressions'

      def initialize(attribute_value = nil)
        super(attribute_value)
      end

      event :before_stag do
        element_attrs.each do |key, value|
          replace_with_erb!( value )
        end
      end

      def characters(dcs)
        replace_with_erb!( data )
        dcs.render
      end

      def replace_with_erb!(value)
        subs = value.gsub!( MasterView::InlineErbSubstitutionRegex, '<%\1%>' )
      end


    end
  end
end