* ext/psych/lib/psych/visitors/yaml_tree.rb: support dumping Encoding

objects.

* ext/psych/lib/psych/visitors/to_ruby.rb: support loading Encoding
  objects.

* test/psych/test_encoding.rb: add test

* ext/psych/lib/psych.rb: add version

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45221 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,15 @@
+Sat Mar  1 11:08:00 2014  Aaron Patterson <aaron@tenderlovemaking.com>
+
+	* ext/psych/lib/psych/visitors/yaml_tree.rb: support dumping Encoding
+	  objects.
+
+	* ext/psych/lib/psych/visitors/to_ruby.rb: support loading Encoding
+	  objects.
+
+	* test/psych/test_encoding.rb: add test
+
+	* ext/psych/lib/psych.rb: add version
+
 Sat Mar  1 10:52:34 2014  Zachary Scott  <e@zzak.io>
 
 	* README.EXT.ja: [DOC] Fix typo "macro macro" @utenmiki [Fixes GH-551]

ext/psych/lib/psych.rb

@@ -217,7 +217,7 @@ require 'psych/class_loader'
 
 module Psych
   # The version is Psych you're using
-  VERSION         = '2.0.3'
+  VERSION         = '2.0.4'
 
   # The version of libyaml Psych is using
   LIBYAML_VERSION = Psych.libyaml_version.join '.'

ext/psych/lib/psych/visitors/to_ruby.rb

@@ -75,6 +75,8 @@ module Psych
           class_loader.date_time
           require 'date'
           @ss.parse_time(o.value).to_datetime
+        when '!ruby/encoding'
+          ::Encoding.find o.value
         when "!ruby/object:Complex"
           class_loader.complex
           Complex(o.value)

ext/psych/lib/psych/visitors/yaml_tree.rb

@@ -157,6 +157,11 @@ module Psych
         @emitter.end_sequence
       end
 
+      def visit_Encoding o
+        tag = "!ruby/encoding"
+        @emitter.scalar o.name, nil, tag, false, false, Nodes::Scalar::ANY
+      end
+
       def visit_Object o
         tag = Psych.dump_tags[o.class]
         unless tag

test/psych/test_encoding.rb

@@ -31,6 +31,11 @@ module Psych
       @emitter = Psych::Emitter.new @buffer
     end
 
+    def test_dump_load_encoding_object
+      assert_cycle Encoding::US_ASCII
+      assert_cycle Encoding::UTF_8
+    end
+
     def test_transcode_shiftjis
       str = "こんにちは！"
       loaded = Psych.load("--- こんにちは！".encode('SHIFT_JIS'))