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  • rexml/validation/relaxng.rb

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REXML::Validation::Interleave

Public Class Methods

new(context) click to toggle source
 
               # File rexml/validation/relaxng.rb, line 449
def initialize context
  super
  @choice = 0
end
            

Public Instance Methods

expected() click to toggle source
 
               # File rexml/validation/relaxng.rb, line 529
def expected
  #puts "IN CHOICE EXPECTED"
  #puts "EVENTS = #{@events.inspect}"
  return [@events[@current]] if @events[@current]
  return @choices[@choice..-1].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/validation/relaxng.rb, line 542
def inspect
  "< #{to_s} #{@choices.collect{|e| e.collect{|f|f.to_s}.join(', ')}.join(' and ')} >"
end
            
matches?( event ) click to toggle source
 
               # File rexml/validation/relaxng.rb, line 524
def matches?( event )
  return @events[@current].matches?( event ) if @events[@current]
  !@choices[@choice..-1].find{|evt| evt[0].matches?(event)}.nil?
end
            
next( event ) click to toggle source
 
               # File rexml/validation/relaxng.rb, line 488
def next( event )
  # Find the next series
  next_current(event) unless @events[@current]
  return nil unless @events[@current]

  expand_ref_in( @events, @current ) if @events[@current].class == Ref
 #puts "In next with #{event.inspect}."
 #puts "Next (#@current) is #{@events[@current]}"
  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"
  return @previous.pop.next( event ) if @events[@current].nil?
  if ( @events[@current].matches?(event) )
    @current += 1
    if @events[@current].nil?
     #puts "#{inspect[0,5]} 1RETURNING self" unless @choices[@choice].nil?
      return self unless @choices[@choice].nil?
     #puts "#{inspect[0,5]} 1RETURNING #{@previous[-1].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
            
next_current( event ) click to toggle source
 
               # File rexml/validation/relaxng.rb, line 458
def next_current( event )
  # Expand references
  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[@choice..-1].find { |evt| evt[0].matches? event }
  @current = 0
  if @events
    # reorder the choices
    old = @choices[@choice]
    idx = @choices.index( @events )
    @choices[@choice] = @events
    @choices[idx] = old
    @choice += 1
  end

 #puts "In next with #{event.inspect}."
 #puts "events is #{@events.inspect}"
  @events = [] unless @events
end
            
reset() click to toggle source
 
               # File rexml/validation/relaxng.rb, line 454
def reset
  @choice = 0
end