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 ()

Source

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

Create a new Psych::Nodes::Node

Public Instance Methods

alias? ()

Source

# File ext/psych/lib/psych/nodes/node.rb, line 67
def alias?;    false; end

document? ()

Source

# File ext/psych/lib/psych/nodes/node.rb, line 68
def document?; false; end

each (&block)

Source

# 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

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

mapping? ()

Source

# File ext/psych/lib/psych/nodes/node.rb, line 69
def mapping?;  false; end

scalar? ()

Source

# File ext/psych/lib/psych/nodes/node.rb, line 70
def scalar?;   false; end

sequence? ()

Source

# File ext/psych/lib/psych/nodes/node.rb, line 71
def sequence?; false; end

stream? ()

Source

# File ext/psych/lib/psych/nodes/node.rb, line 72
def stream?;   false; end

to_ruby (symbolize_names: false, freeze: false, strict_integer: false)

Source

# 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

Convert this node to Ruby.

See also Psych::Visitors::ToRuby

Also aliased as: transform

to_yaml (io = nil, options = {})

Alias for: yaml

transform (symbolize_names: false, freeze: false, strict_integer: false)

Alias for: to_ruby

yaml (io = nil, options = {})

Source

# 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

Convert this node to YAML.