#vim:ts=2 sw=2 noexpandtab: require 'rexml/child' require 'rexml/source' module REXML # This class needs: # * Documentation # * Work! Not all types of attlists are intelligently parsed, so we just # spew back out what we get in. This works, but it would be better if # we formatted the output ourselves. # # AttlistDecls provide *just* enough support to allow namespace # declarations. If you need some sort of generalized support, or have an # interesting idea about how to map the hideous, terrible design of DTD # AttlistDecls onto an intuitive Ruby interface, let me know. I'm desperate # for anything to make DTDs more palateable. class AttlistDecl < Child include Enumerable # What is this? Got me. attr_reader :element_name # Create an AttlistDecl, pulling the information from a Source. Notice # that this isn't very convenient; to create an AttlistDecl, you basically # have to format it yourself, and then have the initializer parse it. # Sorry, but for the forseeable future, DTD support in REXML is pretty # weak on convenience. Have I mentioned how much I hate DTDs? def initialize(source) super() if (source.kind_of? Array) @element_name, @pairs, @contents = *source end end # Access the attlist attribute/value pairs. # value = attlist_decl[ attribute_name ] def [](key) @pairs[key] end # Whether an attlist declaration includes the given attribute definition # if attlist_decl.include? "xmlns:foobar" def include?(key) @pairs.keys.include? key end # Iterate over the key/value pairs: # attlist_decl.each { |attribute_name, attribute_value| ... } def each(&block) @pairs.each(&block) end # Write out exactly what we got in. def write out, indent=-1 out << @contents end def node_type :attlistdecl end end end