* ext/psych/lib: moved external library dependent files from lib.

  [ruby-core:29129]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27112 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 67 insertions, 0 deletions

diff --git a/ext/psych/lib/psych/nodes/scalar.rb b/ext/psych/lib/psych/nodes/scalar.rb
new file mode 100644
index 0000000000..1b1b25b98a
--- /dev/null
+++ b/ext/psych/lib/psych/nodes/scalar.rb
@@ -0,0 +1,67 @@
+module Psych
+  module Nodes
+    ###
+    # This class represents a {YAML Scalar}[http://yaml.org/spec/1.1/#id858081].
+    #
+    # This node type is a terminal node and should not have any children.
+    class Scalar < Psych::Nodes::Node
+      # Any style scalar, the emitter chooses
+      ANY           = 0
+
+      # Plain scalar style
+      PLAIN         = 1
+
+      # Single quoted style
+      SINGLE_QUOTED = 2
+
+      # Double quoted style
+      DOUBLE_QUOTED = 3
+
+      # Literal style
+      LITERAL       = 4
+
+      # Folded style
+      FOLDED        = 5
+
+      # The scalar value
+      attr_accessor :value
+
+      # The anchor value (if there is one)
+      attr_accessor :anchor
+
+      # The tag value (if there is one)
+      attr_accessor :tag
+
+      # Is this a plain scalar?
+      attr_accessor :plain
+
+      # Is this scalar quoted?
+      attr_accessor :quoted
+
+      # The style of this scalar
+      attr_accessor :style
+
+      ###
+      # Create a new Psych::Nodes::Scalar object.
+      #
+      # +value+ is the string value of the scalar
+      # +anchor+ is an associated anchor or nil
+      # +tag+ is an associated tag or nil
+      # +plain+ is a boolean value
+      # +quoted+ is a boolean value
+      # +style+ is an integer idicating the string style
+      #
+      # == See Also
+      #
+      # See also Psych::Handler#scalar
+      def initialize value, anchor = nil, tag = nil, plain = true, quoted = false, style = ANY
+        @value  = value
+        @anchor = anchor
+        @tag    = tag
+        @plain  = plain
+        @quoted = quoted
+        @style  = style
+      end
+    end
+  end
+end