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?? ..
?? attlistdecl.rb(1.79 KB)
?? attribute.rb(5.02 KB)
?? cdata.rb(1.44 KB)
?? child.rb(2.46 KB)
?? comment.rb(2 KB)
?? doctype.rb(6.64 KB)
?? document.rb(7.93 KB)
?? dtd
?? element.rb(43.24 KB)
?? encoding.rb(2.08 KB)
?? encodings
?? entity.rb(4.85 KB)
?? formatters
?? functions.rb(10.8 KB)
?? instruction.rb(1.9 KB)
?? light
?? namespace.rb(1018 B)
?? node.rb(1.93 KB)
?? output.rb(385 B)
?? parent.rb(4.4 KB)
?? parseexception.rb(1.2 KB)
?? parsers
?? quickpath.rb(7.65 KB)
?? rexml.rb(1.71 KB)
?? sax2listener.rb(3.45 KB)
?? source.rb(7.06 KB)
?? streamlistener.rb(3.71 KB)
?? syncenumerator.rb(721 B)
?? text.rb(11.15 KB)
?? undefinednamespaceexception.rb(210 B)
?? validation
?? xmldecl.rb(2.65 KB)
?? xmltokens.rb(506 B)
?? xpath.rb(2.39 KB)
?? xpath_parser.rb(25.15 KB)

Editing: node.rb

require "rexml/parseexception"
require "rexml/formatters/pretty"
require "rexml/formatters/default"

module REXML
	# Represents a node in the tree.  Nodes are never encountered except as
	# superclasses of other objects.  Nodes have siblings.
	module Node
		# @return the next sibling (nil if unset)
		def next_sibling_node
			return nil if @parent.nil?
			@parent[ @parent.index(self) + 1 ]
		end

# @return the previous sibling (nil if unset)
		def previous_sibling_node
			return nil if @parent.nil?
			ind = @parent.index(self)
			return nil if ind == 0
			@parent[ ind - 1 ]
		end

# indent::
    #   *DEPRECATED* This parameter is now ignored.  See the formatters in the
    #   REXML::Formatters package for changing the output style.
		def to_s indent=nil
      unless indent.nil?
        Kernel.warn( "#{self.class.name}.to_s(indent) parameter is deprecated" )
        f = REXML::Formatters::Pretty.new( indent )
        f.write( self, rv = "" )
      else
        f = REXML::Formatters::Default.new
        f.write( self, rv = "" )
      end
      return rv
		end

def indent to, ind
 			if @parent and @parent.context and not @parent.context[:indentstyle].nil? then
 				indentstyle = @parent.context[:indentstyle]
 			else
 				indentstyle = '  '
 			end
 			to << indentstyle*ind unless ind<1
		end

def parent?
			false;
		end

# Visit all subnodes of +self+ recursively
		def each_recursive(&block) # :yields: node
			self.elements.each {|node|
				block.call(node)
				node.each_recursive(&block)
			}
		end

# Find (and return) first subnode (recursively) for which the block 
    # evaluates to true. Returns +nil+ if none was found.
		def find_first_recursive(&block) # :yields: node
      each_recursive {|node|
        return node if block.call(node)
      }
      return nil
    end

# Returns the position that +self+ holds in its parent's array, indexed
    # from 1.
    def index_in_parent
      parent.index(self)+1
    end
	end
end

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Editing: node.rb

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