# File rexml/validation/relaxng.rb, line 127
      def initialize( context )
        @previous = []
        @events = []
        @current = 0
        @count = context.count += 1
        @references = context.references
        @value = false
      end

# File rexml/validation/relaxng.rb, line 196
      def <<( event )
        add_event_to_arry( @events, event )
      end

# File rexml/validation/relaxng.rb, line 192
      def expected
        return [@events[@current]]
      end

# File rexml/validation/relaxng.rb, line 185
      def inspect
        "< #{to_s} #{@events.collect{|e| 
          pre = e == @events[@current] ? '#' : ''
          pre + e.inspect unless self == e
        }.join(', ')} >"
      end

# File rexml/validation/relaxng.rb, line 146
      def next( event )
        #print "In next with #{event.inspect}.  "
        #puts "Next (#@current) is #{@events[@current]}"
        #p @previous
        return @previous.pop.next( event ) if @events[@current].nil?
        expand_ref_in( @events, @current ) if @events[@current].class == Ref
        if ( @events[@current].kind_of? State )
          @current += 1
          @events[@current-1].previous = self
          return @events[@current-1].next( event )
        end
        #puts "Current isn't a state"
        if ( @events[@current].matches?(event) )
          @current += 1
          if @events[@current].nil?
            #puts "#{inspect[0,5]} 1RETURNING #{@previous.inspect[0,5]}"
            return @previous.pop
          elsif @events[@current].kind_of? State
            @current += 1
            #puts "#{inspect[0,5]} 2RETURNING (#{@current-1}) #{@events[@current-1].inspect[0,5]}; on return, next is #{@events[@current]}"
            @events[@current-1].previous = self
            return @events[@current-1]
          else
            #puts "#{inspect[0,5]} RETURNING self w/ next(#@current) = #{@events[@current]}"
            return self
          end
        else
          return nil
        end
      end

# File rexml/validation/relaxng.rb, line 142
      def previous=( previous ) 
        @previous << previous
      end

# File rexml/validation/relaxng.rb, line 136
      def reset
        return if @current == 0
        @current = 0
        @events.each {|s| s.reset if s.kind_of? State }
      end

# File rexml/validation/relaxng.rb, line 177
      def to_s
        # Abbreviated:
        self.class.name =~ /(?:::)(\w)\w+$/
        # Full:
        #self.class.name =~ /(?:::)(\w+)$/
        "#$1.#@count"
      end

# File rexml/validation/relaxng.rb, line 210
      def add_event_to_arry( arry, evt ) 
        evt = generate_event( evt )
        if evt.kind_of? String 
          arry[-1].event_arg = evt if arry[-1].kind_of? Event and @value
          @value = false
        else
          arry << evt
        end
      end

# File rexml/validation/relaxng.rb, line 202
      def expand_ref_in( arry, ind )
        new_events = []
        @references[ arry[ind].to_s ].each{ |evt| 
          add_event_to_arry(new_events,evt)
        }
        arry[ind,1] = new_events
      end

# File rexml/validation/relaxng.rb, line 220
      def generate_event( event )
        return event if event.kind_of? State or event.class == Ref
        evt = nil
        arg = nil
        case event[0]
        when :start_element
          case event[1]
          when "element"
            evt = :start_element
            arg = event[2]["name"]
          when "attribute"
            evt = :start_attribute
            arg = event[2]["name"]
          when "text"
            evt = :text
          when "value"
            evt = :text
            @value = true
          end
        when :text
          return event[1]
        when :end_document
          return Event.new( event[0] )
        else # then :end_element
          case event[1]
          when "element"
            evt = :end_element
          when "attribute"
            evt = :end_attribute
          end
        end
        return Event.new( evt, arg )
      end