Class: Hypostasis::KeyPath

Inherits:
Object
  • Object
show all
Defined in:
lib/hypostasis/key_path.rb

Instance Method Summary collapse

Constructor Details

#initialize(*path) ⇒ KeyPath

Returns a new instance of KeyPath.

Raises:



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# File 'lib/hypostasis/key_path.rb', line 2

def initialize(*path)
  @path = path.to_a.flatten
  raise Hypostasis::Errors::InvalidKeyPath if @path.empty?
  self
end

Instance Method Details

#extend_path(*extension) ⇒ Object 



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# File 'lib/hypostasis/key_path.rb', line 16

def extend_path(*extension)
  return self if extension.empty?
  extended_path = @path + extension.to_a
  Hypostasis::KeyPath.new(extended_path)
end

#move_up(count = 0) ⇒ Object

Raises:



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# File 'lib/hypostasis/key_path.rb', line 22

def move_up(count = 0)
  return self if count <= 0
  raise Hypostasis::Errors::KeyPathExhausted if count >= @path.size
  new_path = @path
  new_path.pop(count)
  Hypostasis::KeyPath.new(new_path)
end

#to_a ⇒ Object 



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# File 'lib/hypostasis/key_path.rb', line 12

def to_a
  @path
end

#to_s ⇒ Object 



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# File 'lib/hypostasis/key_path.rb', line 8

def to_s
  @path.join('\\')
end