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

end_column [RW]

The column number where this node ends

end_line [RW]

The line number where this node ends

start_column [RW]

The column number where this node start

start_line [RW]

The line number where this node start

tag [R]

An associated tag

Public Class Methods

new ()

Create a new Psych::Nodes::Node

# File ext/psych/lib/psych/nodes/node.rb, line 32
def initialize
  @children = []
end

Public Instance Methods

alias? () 
# File ext/psych/lib/psych/nodes/node.rb, line 67
def alias?;    false; end
document? () 
# File ext/psych/lib/psych/nodes/node.rb, line 68
def document?; false; end
each (&block)

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

# File ext/psych/lib/psych/nodes/node.rb, line 39
def each &block
  return enum_for :each unless block_given?
  Visitors::DepthFirst.new(block).accept self
end
mapping? () 
# File ext/psych/lib/psych/nodes/node.rb, line 69
def mapping?;  false; end
scalar? () 
# File ext/psych/lib/psych/nodes/node.rb, line 70
def scalar?;   false; end
sequence? () 
# File ext/psych/lib/psych/nodes/node.rb, line 71
def sequence?; false; end
stream? () 
# File ext/psych/lib/psych/nodes/node.rb, line 72
def stream?;   false; end
to_ruby (symbolize_names: false, freeze: false, strict_integer: false)

Convert this node to Ruby.

See also Psych::Visitors::ToRuby

# File ext/psych/lib/psych/nodes/node.rb, line 48
def to_ruby(symbolize_names: false, freeze: false, strict_integer: false)
  Visitors::ToRuby.create(symbolize_names: symbolize_names, freeze: freeze, strict_integer: strict_integer).accept(self)
end
Also aliased as: transform
yaml (io = nil, options = {})

Convert this node to YAML.

See also Psych::Visitors::Emitter

# File ext/psych/lib/psych/nodes/node.rb, line 57
def yaml io = nil, options = {}
  require "stringio"
  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