Class: Logicle::Node

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

Constant Summary collapse

LOGIC_OPERATIONS = 
{
  switch: Proc.new { |args| nil },
  bulb:   Proc.new { |args| args[0].state },
  on:     Proc.new { |args| true },
  off:    Proc.new { |args| false },
  not:    Proc.new { |args| !args[0].state },
  and:    Proc.new { |args| args[0].state & args[1].state },
  or:     Proc.new { |args| args[0].state | args[1].state },
  nand:   Proc.new { |args| !args[0].state | !args[1].state },
  nor:    Proc.new { |args| !args[0].state & !args[1].state },
  xor:    Proc.new { |args| args[0].state ^ args[1].state },
  xnor:   Proc.new { |args| !(args[0].state ^ args[1].state) }
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id, type) ⇒ Node

Returns a new instance of Node.



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# File 'lib/logicle/node.rb', line 19

def initialize(id, type)
  @id = id
  @type = validate_type(type)
  @inputs = []
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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

def id
  @id
end

#inputs ⇒ Object (readonly)

Returns the value of attribute inputs.



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

def inputs
  @inputs
end

#type ⇒ Object

Returns the value of attribute type.



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

def type
  @type
end

Instance Method Details

#append_inputs(*nodes) ⇒ Object Also known as: append_input 



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# File 'lib/logicle/node.rb', line 37

def append_inputs(*nodes)
  @inputs += nodes
end

#bulb? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/logicle/node.rb', line 25

def bulb?
  @type == :bulb
end

#clear_inputs ⇒ Object 



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# File 'lib/logicle/node.rb', line 42

def clear_inputs
  @inputs = []
  @state = nil
end

#state ⇒ Object 



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# File 'lib/logicle/node.rb', line 47

def state
  @state ||= evaluate
end

#switch? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/logicle/node.rb', line 29

def switch?
  @type == :switch
end