Class: REXML::Validation::Optional

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses: ZeroOrMore
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, `State`
Instance Chain: self, `State`
Inherits:	REXML::Validation::State Object REXML::Validation::State REXML::Validation::Optional
Defined in:	lib/rexml/validation/relaxng.rb

Class Method Summary

.new

#previous=

#<<, #expected, #inspect, #next, #reset, #to_s, #add_event_to_arry, #expand_ref_in, #generate_event

This class inherits a constructor from REXML::Validation::State

[ GitHub ]

# File 'lib/rexml/validation/relaxng.rb', line 275


def expected
  return [ @prior.expected, @events[0] ].flatten if @current == 0
  return [@events[@current]]
end

[ GitHub ]

# File 'lib/rexml/validation/relaxng.rb', line 270


def matches?(event)
  @events[@current].matches?(event) ||
  (@current == 0 and @previous[-1].matches?(event))
end

[ GitHub ]

# File 'lib/rexml/validation/relaxng.rb', line 260


def next( event )
  if @current == 0
    rv = super
    return rv if rv
    @prior = @previous.pop
    return @prior.next( event )
  end
  super
end