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Direktori : /proc/self/root/proc/thread-self/root/opt/alt/ruby20/lib64/ruby/2.0.0/psych/nodes/ |
Current File : //proc/self/root/proc/thread-self/root/opt/alt/ruby20/lib64/ruby/2.0.0/psych/nodes/node.rb |
require 'stringio' 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.new.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