lib/rtf/node.rb in clbustos-rtf-0.3.0 vs lib/rtf/node.rb in clbustos-rtf-0.3.1

@@ -4,18 +4,14 @@
 
 module RTF
    # This class represents an element within an RTF document. The class provides
    # a base class for more specific node types.
    class Node
-      # Attribute accessor.
-      attr_reader :parent
-
-      # Attribute mutator.
-      attr_writer :parent
-
-
-      # This is the constructor for the Node class.
+      # Node parent.
+      attr_accessor :parent
+      
+      # Constructor for the Node class.
       #
       # ==== Parameters
       # parent::  A reference to the Node that owns the new Node. May be nil
       #           to indicate a base or root node.
       def initialize(parent)
@@ -116,11 +112,17 @@
       end
 
       # This method generates the RTF equivalent for a TextNode object. This
       # method escapes any special sequences that appear in the text.
       def to_rtf
-         @text == nil ? '' : @text.gsub("{", "\\{").gsub("}", "\\}").gsub("\\", "\\\\")
+        rtf=(@text == nil ? '' : @text.gsub("{", "\\{").gsub("}", "\\}").gsub("\\", "\\\\"))
+        # Encode as Unicode.
+        if RUBY_VERSION>"1.9.0"
+          rtf.encode("UTF-16LE").each_codepoint.map {|cp|
+            cp < 128 ? cp.chr : "\\u#{cp}\\'3f"
+          }.join("")
+        end
       end
    end # End of the TextNode class.
 
 
    # This class represents a Node that can contain other Node objects. Its a
@@ -390,10 +392,25 @@
          else
             apply(style)
          end
       end
 
+      # This method provides a short cut means of creating a subscript command
+      # node. The method accepts a block that will be passed a single parameter
+      # which will be a reference to the subscript node created. After the
+      # block is complete the subscript node is appended to the end of the
+      # child nodes on the object that the method is call against.
+      def subscript
+         style           = CharacterStyle.new
+         style.subscript = true
+         if block_given?
+            apply(style) {|node| yield node}
+         else
+            apply(style)
+         end
+      end
+
       # This method provides a short cut means of creating a superscript command
       # node. The method accepts a block that will be passed a single parameter
       # which will be a reference to the superscript node created. After the
       # block is complete the superscript node is appended to the end of the
       # child nodes on the object that the method is call against.
@@ -405,10 +422,25 @@
          else
             apply(style)
          end
       end
 
+      # This method provides a short cut means of creating a strike command
+      # node. The method accepts a block that will be passed a single parameter
+      # which will be a reference to the strike node created. After the
+      # block is complete the strike node is appended to the end of the
+      # child nodes on the object that the method is call against.
+      def strike
+         style        = CharacterStyle.new
+         style.strike = true
+         if block_given?
+            apply(style) {|node| yield node}
+         else
+            apply(style)
+         end
+      end
+
       # This method provides a short cut means of creating a font command node.
       # The method accepts a block that will be passed a single parameter which
       # will be a reference to the font node created. After the block is
       # complete the font node is appended to the end of the child nodes on the
       # object that the method is called against.
@@ -1658,6 +1690,6 @@
          text << "\n}"
 
          text.string
       end
    end # End of the Document class.
-end # End of the RTF module.
\ No newline at end of file
+end # End of the RTF module.