1 files changed, 36 insertions, 0 deletions
diff --git a/ruby_1_9_3/ext/psych/lib/psych/stream.rb b/ruby_1_9_3/ext/psych/lib/psych/stream.rb
new file mode 100644
index 0000000000..567c1bb790
--- /dev/null
+++ b/ruby_1_9_3/ext/psych/lib/psych/stream.rb
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+module Psych
+  ###
+  # Psych::Stream is a streaming YAML emitter.  It will not buffer your YAML,
+  # but send it straight to an IO.
+  #
+  # Here is an example use:
+  #
+  #   stream = Psych::Stream.new($stdout)
+  #   stream.start
+  #   stream.push({:foo => 'bar'})
+  #   stream.finish
+  #
+  # YAML will be immediately emitted to $stdout with no buffering.
+  #
+  # Psych::Stream#start will take a block and ensure that Psych::Stream#finish
+  # is called, so you can do this form:
+  #
+  #   stream = Psych::Stream.new($stdout)
+  #   stream.start do |em|
+  #     em.push(:foo => 'bar')
+  #   end
+  #
+  class Stream < Psych::Visitors::YAMLTree
+    class Emitter < Psych::Emitter # :nodoc:
+      def end_document implicit_end = !streaming?
+        super
+      end
+
+      def streaming?
+        true
+      end
+    end
+
+    include Psych::Streaming
+  end
+end