Entity Substituter : rexml « XML « Ruby






  1. Ruby
  2. XML
  3. rexml

Entity Substituter



require 'delegate'
require 'rexml/text'
require 'rexml/document'

class EntitySubstituter < DelegateClass(IO)
  def initialize(io, document, filter=nil)
    @document = document
    @filter = filter
    super(io)
  end

  def <<(s)
    super(REXML::Text::unnormalize(s, @document.doctype, @filter))
  end
end


str = %{<?xml version="1.0"?>
<!DOCTYPE doc [
 <!ENTITY product 'Stargaze'>
 <!ENTITY version '2.3'>
]>
<doc>
 &product; v&version; 
</doc>}
doc = REXML::Document.new str
output = EntitySubstituter.new($stdout, doc)
doc.write(output)








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