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Psych::Nodes::Document

This represents a YAML Document. This node must be a child of Psych::Nodes::Stream. A Psych::Nodes::Document must have one child, and that child may be one of the following:

Attributes

implicit[RW]

Was this document implicitly created?

implicit_end[RW]

Is the end of the document implicit?

tag_directives[RW]

A list of tag directives for this document

version[RW]

The version of the YAML document

Public Class Methods

new(version = [], tag_directives = [], implicit = false) click to toggle source

Create a new Psych::Nodes::Document object.

version is a list indicating the YAML version. tags_directives is a list of tag directive declarations implicit is a flag indicating whether the document will be implicitly started.

Example: ↑

This creates a YAML document object that represents a YAML 1.1 document with one tag directive, and has an implicit start:

Psych::Nodes::Document.new(
  [1,1],
  [["!", "tag:tenderlovemaking.com,2009:"]],
  true
)

See Also ↑

See also Psych::Handler#start_document

 
               # File ruby-3.1.2/ext/psych/lib/psych/nodes/document.rb, line 45
def initialize version = [], tag_directives = [], implicit = false
  super()
  @version        = version
  @tag_directives = tag_directives
  @implicit       = implicit
  @implicit_end   = true
end

Public Instance Methods

document?() click to toggle source 
 
               # File ruby-3.1.2/ext/psych/lib/psych/nodes/document.rb, line 60
def document?; true; end
root() click to toggle source

Returns the root node. A Document may only have one root node: yaml.org/spec/1.1/#id898031

 
               # File ruby-3.1.2/ext/psych/lib/psych/nodes/document.rb, line 56
def root
  children.first
end