class WikiSymbol < Chunk::Abstract
    def self.pattern() /<:(.*?)>/ end

    attr_accessor :symbol_code

    def initialize(match_data, revision)
      super(match_data, revision)
      @symbol_code = match_data[1]
    end
    
    def unmask(content)
      tag = case symbol_code
        when 'cbx'  then '<input type="checkbox" disabled />'
        when 'cbxc' then '<input type="checkbox" disabled checked />'
        else symbol_code
      end

      return self if content.gsub!( Regexp.new(mask(content)), tag )
    end
end