Psych::Nodes::Node

Class

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

Attributes

children

Read

The children of this node

tag

Read

An associated tag

Class Methods

new

ext/psych/lib/psych/nodes/node.rb View on GitHub

          
            # File tmp/rubies/ruby-2.4.10/ext/psych/lib/psych/nodes/node.rb, line 21
def initialize
  @children = []
end

Create a new Psych::Nodes::Node

Instance Methods

each(&block)

ext/psych/lib/psych/nodes/node.rb View on GitHub

          
            # File tmp/rubies/ruby-2.4.10/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

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

to_ruby

ext/psych/lib/psych/nodes/node.rb View on GitHub

          
            # File tmp/rubies/ruby-2.4.10/ext/psych/lib/psych/nodes/node.rb, line 37
def to_ruby
  Visitors::ToRuby.create.accept(self)
end

Convert this node to Ruby.

to_yaml(io = nil, options = {})

ext/psych/lib/psych/nodes/node.rb View on GitHub

An alias for yaml

transform

ext/psych/lib/psych/nodes/node.rb View on GitHub

An alias for to_ruby

yaml(io = nil, options = {})

ext/psych/lib/psych/nodes/node.rb View on GitHub

          
            # File tmp/rubies/ruby-2.4.10/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

Convert this node to YAML.