Class: Transmogrifier::ValueNode

Inherits:
Node
  • Object
show all
Defined in:
lib/transmogrifier/nodes/value_node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Node

#append, #clone, #delete, for

Constructor Details

#initialize(value, parent_node = nil) ⇒ ValueNode

Returns a new instance of ValueNode.



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# File 'lib/transmogrifier/nodes/value_node.rb', line 7

def initialize(value, parent_node=nil)
  @value = value
  @parent_node = parent_node
end

Instance Attribute Details

#parent_node ⇒ Object (readonly)

Returns the value of attribute parent_node.



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# File 'lib/transmogrifier/nodes/value_node.rb', line 5

def parent_node
  @parent_node
end

Instance Method Details

#find_all(keys) ⇒ Object 



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# File 'lib/transmogrifier/nodes/value_node.rb', line 12

def find_all(keys)
  return [self] if keys.empty?
  raise "cannot find children of ValueNode satisfying non-empty selector #{keys}"
end

#modify(pattern, replacement) ⇒ Object 



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# File 'lib/transmogrifier/nodes/value_node.rb', line 17

def modify(pattern, replacement)
  raise "Value is not modifiable using pattern matching" unless @value.respond_to?(:gsub)
  return @value.gsub!(Regexp.new(pattern), replacement)
end

#raw ⇒ Object 



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# File 'lib/transmogrifier/nodes/value_node.rb', line 22

def raw
  @value
end