class Psych::Nodes::Node

The base class for any Node in a YAML parse tree. This class should never be instantiated.

Attributes

children[R]

The children of this node

tag[R]

An associated tag

Public Class Methods

new() click to toggle source

Create a new Psych::Nodes::Node

# File ext/psych/lib/psych/nodes/node.rb, line 21
def initialize
  @children = []
end

Public Instance Methods

each(&block) click to toggle source

Iterate over each node in the tree. Yields each node to block depth first.

# File ext/psych/lib/psych/nodes/node.rb, line 28
def each &block
  return enum_for :each unless block_given?
  Visitors::DepthFirst.new(block).accept self
end

to_ruby() click to toggle source

Convert this node to Ruby.

See also Psych::Visitors::ToRuby

# File ext/psych/lib/psych/nodes/node.rb, line 37
def to_ruby
  Visitors::ToRuby.create.accept(self)
end

Also aliased as: transform

to_yaml(io = nil, options = {})

Alias for: yaml

transform()

Alias for: to_ruby

yaml(io = nil, options = {}) click to toggle source

Convert this node to YAML.

See also Psych::Visitors::Emitter

# File ext/psych/lib/psych/nodes/node.rb, line 46
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

Also aliased as: to_yaml