require 'rexml/document'
require 'rexml/entity'

module REXML
  class Entity < Child
		def unnormalized
      document.record_entity_expansion!
      v = value()
			return nil if v.nil?
      @unnormalized = Text::unnormalize(v, parent)
			@unnormalized
		end
  end
  class Document < Element
    @@entity_expansion_limit = 10_000
    def self.entity_expansion_limit= val
      @@entity_expansion_limit = val
    end
    
    def record_entity_expansion!
      @number_of_expansions ||= 0
      @number_of_expansions += 1
      if @number_of_expansions > @@entity_expansion_limit
        raise "Number of entity expansions exceeded, processing aborted."
      end
    end
  end
end


# Copyright (c) 2008 Michael Koziarski <michael@koziarski.com>
# 
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
# 
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

require 'rexml/document'
require 'rexml/entity'

module REXML
  class Entity < Child
    def unnormalized
      document.record_entity_expansion!
      v = value()
      return nil if v.nil?
      @unnormalized = Text::unnormalize(v, parent)
      @unnormalized
    end
  end
  class Document < Element
    @@entity_expansion_limit = 10_000
    def self.entity_expansion_limit= val
      @@entity_expansion_limit = val
    end
    
    def record_entity_expansion!
      @number_of_expansions ||= 0
      @number_of_expansions += 1
      if @number_of_expansions > @@entity_expansion_limit
        raise "Number of entity expansions exceeded, processing aborted."
      end
    end
  end
end


Add the ISC license to the source file too
Add the ISC license to the source file too
