Psych::Nodes::Node

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

end_column

Read & Write

The column number where this node ends

end_line

Read & Write

The line number where this node ends

start_column

Read & Write

The column number where this node start

start_line

Read & Write

The line number where this node start

tag

Read

An associated tag

Class Methods

new

3.0 View on GitHub

          
            # File tmp/rubies/ruby-3.0.5/ext/psych/lib/psych/nodes/node.rb, line 33
def initialize
  @children = []
end

Create a new Psych::Nodes::Node

Instance Methods

alias?

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            # File tmp/rubies/ruby-3.0.5/ext/psych/lib/psych/nodes/node.rb, line 67
def alias?;    false; end

No documentation available

document?

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            # File tmp/rubies/ruby-3.0.5/ext/psych/lib/psych/nodes/node.rb, line 68
def document?; false; end

No documentation available

each(&block)

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            # File tmp/rubies/ruby-3.0.5/ext/psych/lib/psych/nodes/node.rb, line 40
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?

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            # File tmp/rubies/ruby-3.0.5/ext/psych/lib/psych/nodes/node.rb, line 69
def mapping?;  false; end

No documentation available

scalar?

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            # File tmp/rubies/ruby-3.0.5/ext/psych/lib/psych/nodes/node.rb, line 70
def scalar?;   false; end

No documentation available

sequence?

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            # File tmp/rubies/ruby-3.0.5/ext/psych/lib/psych/nodes/node.rb, line 71
def sequence?; false; end

No documentation available

stream?

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            # File tmp/rubies/ruby-3.0.5/ext/psych/lib/psych/nodes/node.rb, line 72
def stream?;   false; end

No documentation available

to_ruby(symbolize_names: false, freeze: false)

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            # File tmp/rubies/ruby-3.0.5/ext/psych/lib/psych/nodes/node.rb, line 49
def to_ruby(symbolize_names: false, freeze: false)
  Visitors::ToRuby.create(symbolize_names: symbolize_names, freeze: freeze).accept(self)
end

Convert this node to Ruby.

to_yaml(io = nil, options = {})

3.0 View on GitHub

An alias for

transform(symbolize_names: false, freeze: false)

3.0 View on GitHub

An alias for

yaml(io = nil, options = {})

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            # File tmp/rubies/ruby-3.0.5/ext/psych/lib/psych/nodes/node.rb, line 58
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.