REXML::Validation::State

Public Class Methods

new( context ) click to toggle source

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

Public Instance Methods

<<( event ) click to toggle source

 
               # File rexml/validation/relaxng.rb, line 191
def <<( event )
  add_event_to_arry( @events, event )
end

expected() click to toggle source

 
               # File rexml/validation/relaxng.rb, line 187
def expected
  return [@events[@current]]
end

inspect() click to toggle source

 
               # File rexml/validation/relaxng.rb, line 180
def inspect
  "< #{to_s} #{@events.collect{|e|
    pre = e == @events[@current] ? '#' : ''
    pre + e.inspect unless self == e
  }.join(', ')} >"
end

next( event ) click to toggle source

 
               # File rexml/validation/relaxng.rb, line 146
def next( event )
  #print "In next with #{event.inspect}.  "
  #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
  if ( @events[@current].matches?(event) )
    @current += 1
    if @events[@current].nil?
      return @previous.pop
    elsif @events[@current].kind_of? State
      @current += 1
      @events[@current-1].previous = self
      return @events[@current-1]
    else
      return self
    end
  else
    return nil
  end
end

previous=( previous ) click to toggle source

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

reset() click to toggle source

 
               # 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

to_s() click to toggle source

 
               # File rexml/validation/relaxng.rb, line 172
def to_s
  # Abbreviated:
  self.class.name =~ /(?:::)(\w)\w+$/
  # Full:
  #self.class.name =~ /(?:::)(\w+)$/
  "#$1.#@count"
end

Protected Instance Methods

add_event_to_arry( arry, evt ) click to toggle source

 
               # File rexml/validation/relaxng.rb, line 205
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

expand_ref_in( arry, ind ) click to toggle source

 
               # File rexml/validation/relaxng.rb, line 197
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

generate_event( event ) click to toggle source

 
               # File rexml/validation/relaxng.rb, line 215
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

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