validate

# File lib/rexml/validation/validation.rb, line 17
      def validate( event )
        #puts "Current: #@current"
        #puts "Event: #{event.inspect}"
        @attr_stack = [] unless defined? @attr_stack
        match = @current.next(event)
        raise ValidationException.new( "Validation error.  Expected: "+
          @current.expected.join( " or " )+" from #{@current.inspect} "+
          " but got #{Event.new( event[0], event[1] ).inspect}" ) unless match
        @current = match

        # Check for attributes
        case event[0]
        when :start_element
          #puts "Checking attributes"
          @attr_stack << event[2]
          begin
            sattr = [:start_attribute, nil]
            eattr = [:end_attribute]
            text = [:text, nil]
            k, = event[2].find { |key,value|
              sattr[1] = key
              #puts "Looking for #{sattr.inspect}"
              m = @current.next( sattr )
              #puts "Got #{m.inspect}"
              if m
                # If the state has text children...
                #puts "Looking for #{eattr.inspect}"
                #puts "Expect #{m.expected}"
                if m.matches?( eattr )
                  #puts "Got end"
                  @current = m
                else
                  #puts "Didn't get end"
                  text[1] = value
                  #puts "Looking for #{text.inspect}"
                  m = m.next( text )
                  #puts "Got #{m.inspect}"
                  text[1] = nil
                  return false unless m
                  @current = m if m
                end
                m = @current.next( eattr )
                if m
                  @current = m
                  true
                else
                  false
                end
              else
                false
              end
            }
            event[2].delete(k) if k
          end while k
        when :end_element
          attrs = @attr_stack.pop
          raise ValidationException.new( "Validation error.  Illegal "+
            " attributes: #{attrs.inspect}") if attrs.length > 0
        end
      end