123456789_123456789_123456789_123456789_123456789_

Class: Psych::Visitors::YAMLTree::Registrar

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: ext/psych/lib/psych/visitors/yaml_tree.rb

Class Method Summary

Instance Method Summary

Constructor Details

.new ⇒ Registrar

[ GitHub ] 

  


# File 'ext/psych/lib/psych/visitors/yaml_tree.rb', line 17



def initialize
  @obj_to_id   = {}
  @obj_to_node = {}
  @targets     = []
  @counter     = 0
end


  







Instance Method Details



  

    #id_for(target)  
  

  [ GitHub ]


  

  


# File 'ext/psych/lib/psych/visitors/yaml_tree.rb', line 36



def id_for target
  @obj_to_id[target.object_id] ||= (@counter += 1)
end


  








  

    #key?(target)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'ext/psych/lib/psych/visitors/yaml_tree.rb', line 30



def key? target
  @obj_to_node.key? target.object_id
rescue NoMethodError
  false
end


  








  

    #node_for(target)  
  

  [ GitHub ]


  

  


# File 'ext/psych/lib/psych/visitors/yaml_tree.rb', line 40



def node_for target
  @obj_to_node[target.object_id]
end


  








  

    #register(target, node)  
  

  [ GitHub ]


  

  


# File 'ext/psych/lib/psych/visitors/yaml_tree.rb', line 24



def register target, node
  return unless target.respond_to? :object_id
  @targets << target
  @obj_to_node[target.object_id] = node
end