lib/psych/visitors/yaml_tree.rb in psych-2.0.0 vs lib/psych/visitors/yaml_tree.rb in psych-2.0.1

@@ -3,11 +3,11 @@
 require 'psych/class_loader'
 
 module Psych
   module Visitors
     ###
-    # YAMLTree builds a YAML ast given a ruby object.  For example:
+    # YAMLTree builds a YAML ast given a Ruby object.  For example:
     #
     #   builder = Psych::Visitors::YAMLTree.new
     #   builder << { :foo => 'bar' }
     #   builder.tree # => #<Psych::Nodes::Stream .. }
     #
@@ -45,10 +45,19 @@
         class_loader = ClassLoader.new
         ss           = ScalarScanner.new class_loader
         new(emitter, ss, options)
       end
 
+      def self.new emitter = nil, ss = nil, options = nil
+        return super if emitter && ss && options
+
+        if $VERBOSE
+          warn "This API is deprecated, please pass an emitter, scalar scanner, and options or call #{self}.create() (#{caller.first})"
+        end
+        create emitter, ss
+      end
+
       def initialize emitter, ss, options
         super()
         @started  = false
         @finished = false
         @emitter  = emitter
@@ -205,11 +214,11 @@
         register o, @emitter.scalar(formatted, nil, tag, false, false, Nodes::Scalar::ANY)
       end
 
       def visit_Time o
         formatted = format_time o
-        @emitter.scalar formatted, nil, nil, true, false, Nodes::Scalar::ANY
+        register o, @emitter.scalar(formatted, nil, nil, true, false, Nodes::Scalar::ANY)
       end
 
       def visit_Rational o
         register o, @emitter.start_mapping(nil, '!ruby/object:Rational', false, Nodes::Mapping::BLOCK)
 
@@ -277,9 +286,11 @@
           style = Nodes::Scalar::LITERAL
           plain = false
           quote = false
         elsif o =~ /\n/
           style = Nodes::Scalar::LITERAL
+        elsif o =~ /^\W/
+          style = Nodes::Scalar::DOUBLE_QUOTED
         else
           unless String === @ss.tokenize(o)
             style = Nodes::Scalar::SINGLE_QUOTED
           end
         end