1 files changed, 37 insertions, 0 deletions
diff --git a/lib/psych/nodes/stream.rb b/lib/psych/nodes/stream.rb
new file mode 100644
index 0000000000..f4aab5a7dc
--- /dev/null
+++ b/lib/psych/nodes/stream.rb
@@ -0,0 +1,37 @@
+module Psych
+  module Nodes
+    ###
+    # Represents a YAML stream.  This is the root node for any YAML parse
+    # tree.  This node must have one or more child nodes.  The only valid
+    # child node for a Psych::Nodes::Stream node is Psych::Nodes::Document.
+    class Stream < Psych::Nodes::Node
+
+      # Encodings supported by Psych (and libyaml)
+
+      # Any encoding
+      ANY     = Psych::Parser::ANY
+
+      # UTF-8 encoding
+      UTF8    = Psych::Parser::UTF8
+
+      # UTF-16LE encoding
+      UTF16LE = Psych::Parser::UTF16LE
+
+      # UTF-16BE encoding
+      UTF16BE = Psych::Parser::UTF16BE
+
+      # The encoding used for this stream
+      attr_reader :encoding
+
+      ###
+      # Create a new Psych::Nodes::Stream node with an +encoding+ that
+      # defaults to Psych::Nodes::Stream::UTF8.
+      #
+      # See also Psych::Handler#start_stream
+      def initialize encoding = UTF8
+        super()
+        @encoding = encoding
+      end
+    end
+  end
+end