Imported Upstream version 1.9.3.p194upstream/1.9.3.p194

1 files changed, 44 insertions, 0 deletions

diff --git a/ext/psych/lib/psych/visitors/emitter.rb b/ext/psych/lib/psych/visitors/emitter.rb
new file mode 100644
index 0000000..30db176
--- /dev/null
+++ b/ext/psych/lib/psych/visitors/emitter.rb
@@ -0,0 +1,44 @@
+module Psych
+  module Visitors
+    class Emitter < Psych::Visitors::Visitor
+      def initialize io, options = {}
+        @handler = Psych::Emitter.new io
+        @handler.indentation = options[:indentation] if options[:indentation]
+        @handler.canonical = options[:canonical] if options[:canonical]
+        @handler.line_width = options[:line_width] if options[:line_width]
+      end
+
+      def visit_Psych_Nodes_Stream o
+        @handler.start_stream o.encoding
+        o.children.each { |c| accept c }
+        @handler.end_stream
+      end
+
+      def visit_Psych_Nodes_Document o
+        @handler.start_document o.version, o.tag_directives, o.implicit
+        o.children.each { |c| accept c }
+        @handler.end_document o.implicit_end
+      end
+
+      def visit_Psych_Nodes_Scalar o
+        @handler.scalar o.value, o.anchor, o.tag, o.plain, o.quoted, o.style
+      end
+
+      def visit_Psych_Nodes_Sequence o
+        @handler.start_sequence o.anchor, o.tag, o.implicit, o.style
+        o.children.each { |c| accept c }
+        @handler.end_sequence
+      end
+
+      def visit_Psych_Nodes_Mapping o
+        @handler.start_mapping o.anchor, o.tag, o.implicit, o.style
+        o.children.each { |c| accept c }
+        @handler.end_mapping
+      end
+
+      def visit_Psych_Nodes_Alias o
+        @handler.alias o.anchor
+      end
+    end
+  end
+end