* lib/yaml: Moved to ext/syck/lib, Syck only uses Syck constant.

* lib/yaml.rb: Added an engine manager for choosing YAML engine.
* ext/syck/lib/syck/rubytypes.rb: squashed warnings when using Psych

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27212 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 41 insertions, 0 deletions

diff --git a/ext/syck/lib/syck/stream.rb b/ext/syck/lib/syck/stream.rb
new file mode 100644
index 0000000000..cd77a033c6
--- /dev/null
+++ b/ext/syck/lib/syck/stream.rb
@@ -0,0 +1,41 @@
+module Syck
+
+	#
+	# YAML::Stream -- for emitting many documents
+	#
+	class Stream
+
+		attr_accessor :documents, :options
+
+		def initialize( opts = {} )
+			@options = opts
+			@documents = []
+		end
+
+        def []( i )
+            @documents[ i ]
+        end
+
+		def add( doc )
+			@documents << doc
+		end
+
+		def edit( doc_num, doc )
+                  warn "#{caller[0]}: edit is deprecated" if $VERBOSE
+			@documents[ doc_num ] = doc
+		end
+
+		def emit( io = nil )
+            # opts = @options.dup
+			# opts[:UseHeader] = true if @documents.length > 1
+            out = Syck.emitter
+            out.reset( io || io2 = StringIO.new )
+            @documents.each { |v|
+                v.to_yaml( out )
+            }
+            io || ( io2.rewind; io2.read )
+		end
+
+	end
+
+end