From 1a74fa4b04da04bd2bb33103dd3cf431438df38e Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 14 Dec 2017 15:09:35 +0000
Subject: add tag v2_2_9

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v2_2_9@61257 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ruby_2_2/lib/rexml/attlistdecl.rb | 62 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 ruby_2_2/lib/rexml/attlistdecl.rb

(limited to 'ruby_2_2/lib/rexml/attlistdecl.rb')

diff --git a/ruby_2_2/lib/rexml/attlistdecl.rb b/ruby_2_2/lib/rexml/attlistdecl.rb
new file mode 100644
index 0000000000..ec4e6c3b8d
--- /dev/null
+++ b/ruby_2_2/lib/rexml/attlistdecl.rb
@@ -0,0 +1,62 @@
+#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
-- 
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