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File Content: node.rb

require 'stringio'
require 'psych/class_loader'
require 'psych/scalar_scanner'

module Psych
  module Nodes
    ###
    # The base class for any Node in a YAML parse tree.  This class should
    # never be instantiated.
    class Node
      include Enumerable

# The children of this node
      attr_reader :children

# An associated tag
      attr_reader :tag

# Create a new Psych::Nodes::Node
      def initialize
        @children = []
      end

###
      # Iterate over each node in the tree. Yields each node to +block+ depth
      # first.
      def each &block
        return enum_for :each unless block_given?
        Visitors::DepthFirst.new(block).accept self
      end

###
      # Convert this node to Ruby.
      #
      # See also Psych::Visitors::ToRuby
      def to_ruby
        Visitors::ToRuby.create.accept(self)
      end
      alias :transform :to_ruby

###
      # Convert this node to YAML.
      #
      # See also Psych::Visitors::Emitter
      def yaml io = nil, options = {}
        real_io = io || StringIO.new(''.encode('utf-8'))

Visitors::Emitter.new(real_io, options).accept self
        return real_io.string unless io
        io
      end
      alias :to_yaml :yaml
    end
  end
end

Name	Size	Permission
alias.rb	464 bytes	0644
document.rb	1795 bytes	0644
mapping.rb	1516 bytes	0644
node.rb	1264 bytes	0644
scalar.rb	1607 bytes	0644
sequence.rb	2018 bytes	0644
stream.rb	965 bytes	0644