Class: DSeL::Node

Inherits:
Object show all
Defined in:
lib/dsel/node.rb

Direct Known Subclasses

API::Node, DSL::Nodes::Base

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(subject = nil, options = {}) ⇒ Node

Returns a new instance of Node.

Parameters:

  • subject (Object) (defaults to: nil)
  • options (Hash) (defaults to: {})

Options Hash (options):

  • :parent (Base, nil) — default: nil 


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# File 'lib/dsel/node.rb', line 17

def initialize( subject = nil, options = {} )
    @subject = subject
    @parent  = options[:parent]
    @root    = (@parent ? @parent._dsel_node.root : self)
end

Instance Attribute Details

#parent ⇒ Base? (readonly)

Returns:

  • (Base, nil) 


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# File 'lib/dsel/node.rb', line 8

def parent
  @parent
end

#root ⇒ Base (readonly)

Returns `self` if #root?.

Returns:

  • (Base) —

    `self` if #root?.



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# File 'lib/dsel/node.rb', line 12

def root
  @root
end

#subject ⇒ Object (readonly)

Returns:



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# File 'lib/dsel/node.rb', line 5

def subject
  @subject
end

Instance Method Details

#_dsel_node ⇒ Object 



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# File 'lib/dsel/node.rb', line 28

def _dsel_node
    self
end

#calc_node_hash(subject) ⇒ Object 



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# File 'lib/dsel/node.rb', line 32

def calc_node_hash( subject )
    "#{self.class}:#{subject.object_id}".hash
end

#hash ⇒ Object 



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# File 'lib/dsel/node.rb', line 36

def hash
    calc_node_hash( @subject )
end

#root? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dsel/node.rb', line 23

def root?
    @root == self
end