class REXML::Validation::Choice - rexml: Ruby Standard Library Documentation

# class REXML::Validation::Choice

### Public Class Methods

new(context) click to toggle source
Calls superclass method `REXML::Validation::State::new`

    # File rexml-3.4.0/lib/rexml/validation/relaxng.rb, line 359
    def initialize context
      super
      @choices = []
    end

### Public Instance Methods

<<( event ) click to toggle source

    # File rexml-3.4.0/lib/rexml/validation/relaxng.rb, line 370
    def <<( event )
      add_event_to_arry( @choices, event )
    end

expected() click to toggle source

    # File rexml-3.4.0/lib/rexml/validation/relaxng.rb, line 404
    def expected
      return [@events[@current]] if @events.size > 0
      return @choices.collect do |x|
        if x[0].kind_of? State
          x[0].expected
        else
          x[0]
        end
      end.flatten
    end

inspect() click to toggle source

    # File rexml-3.4.0/lib/rexml/validation/relaxng.rb, line 415
    def inspect
      "< #{to_s} #{@choices.collect{|e| e.collect{|f|f.to_s}.join(', ')}.join(' or ')} >"
    end

matches?( event ) click to toggle source

    # File rexml-3.4.0/lib/rexml/validation/relaxng.rb, line 399
    def matches?( event )
      return @events[@current].matches?( event ) if @events.size > 0
      !@choices.find{|evt| evt[0].matches?(event)}.nil?
    end

next( event ) click to toggle source
Calls superclass method `REXML::Validation::State#next`

    # File rexml-3.4.0/lib/rexml/validation/relaxng.rb, line 374
    def next( event )
      # Make the choice if we haven't
      if @events.size == 0
        c = 0 ; max = @choices.size
        while c < max
          if @choices[c][0].class == Ref
            expand_ref_in( @choices[c], 0 )
            @choices += @choices[c]
            @choices.delete( @choices[c] )
            max -= 1
          else
            c += 1
          end
        end
        @events = @choices.find { |evt| evt[0].matches? event }
        # Remove the references
        # Find the events
      end
      unless @events
        @events = []
        return nil
      end
      super
    end

reset() click to toggle source
Calls superclass method `REXML::Validation::State#reset`

    # File rexml-3.4.0/lib/rexml/validation/relaxng.rb, line 364
    def reset
      super
      @events = []
      @choices.each { |c| c.each { |s| s.reset if s.kind_of? State } }
    end

### Protected Instance Methods

add_event_to_arry( arry, evt ) click to toggle source

    # File rexml-3.4.0/lib/rexml/validation/relaxng.rb, line 420
    def add_event_to_arry( arry, evt )
      if evt.kind_of? State or evt.class == Ref
        arry << [evt]
      elsif evt[0] == :text
       if arry[-1] and
          arry[-1][-1].kind_of?( Event ) and
          arry[-1][-1].event_type == :text and @value

          arry[-1][-1].event_arg = evt[1]
          @value = false
       end
      else
        arry << [] if evt[0] == :start_element
        arry[-1] << generate_event( evt )
      end
    end