From d1983054610a503fa797f6b82a8c57133b3f8e1e Mon Sep 17 00:00:00 2001
From: yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 11 Nov 2008 08:41:13 +0000
Subject: merges r20126 from trunk into ruby_1_9_1. * lib/yaml/rubytypes.rb:
 support Rational and Complex as 1.8   does.  a patch from Hiroshi Moriyama in
 [ruby-dev:36899].

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@20184 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/yaml/rubytypes.rb | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'lib')

diff --git a/lib/yaml/rubytypes.rb b/lib/yaml/rubytypes.rb
index 35b719196..ae65b355e 100644
--- a/lib/yaml/rubytypes.rb
+++ b/lib/yaml/rubytypes.rb
@@ -379,6 +379,44 @@ class Float
 	end
 end
 
+class Rational
+	yaml_as "tag:ruby.yaml.org,2002:object:Rational"
+	def Rational.yaml_new( klass, tag, val )
+		if val.is_a? String
+			Rational( val )
+		else
+			Rational( val['numerator'], val['denominator'] )
+		end
+	end
+	def to_yaml( opts = {} ) 
+		YAML::quick_emit( self, opts ) do |out|
+			out.map( taguri, nil ) do |map| 
+				map.add( 'denominator', denominator )
+				map.add( 'numerator', numerator )
+			end
+		end
+	end
+end
+
+class Complex
+	yaml_as "tag:ruby.yaml.org,2002:object:Complex"
+	def Complex.yaml_new( klass, tag, val )
+		if val.is_a? String
+			Complex( val )
+		else
+			Complex( val['real'], val['image'] )
+		end
+	end
+	def to_yaml( opts = {} )
+		YAML::quick_emit( self, opts ) do |out|
+			out.map( taguri, nil ) do |map|
+				map.add( 'image', imaginary )
+				map.add( 'real', real )
+			end
+		end
+	end
+end
+
 class TrueClass
     yaml_as "tag:yaml.org,2002:bool#yes"
 	def to_yaml( opts = {} )
-- 
cgit