Class: Choosy::Argument

Inherits:
Object
  • Object
show all
Defined in:
lib/choosy/argument.rb

Direct Known Subclasses

Option

Constant Summary collapse

ZERO_ARITY = 
(0 .. 0)
ONE_ARITY = 
(1 .. 1)
MANY_ARITY = 
(1 .. 1000)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Argument

Returns a new instance of Argument.



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# File 'lib/choosy/argument.rb', line 9

def initialize
  @required = false
end

Instance Attribute Details

#allowable_values ⇒ Object

Returns the value of attribute allowable_values.



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# File 'lib/choosy/argument.rb', line 7

def allowable_values
  @allowable_values
end

#arity ⇒ Object

Returns the value of attribute arity.



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# File 'lib/choosy/argument.rb', line 7

def arity
  @arity
end

#cast_to ⇒ Object

Returns the value of attribute cast_to.



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# File 'lib/choosy/argument.rb', line 7

def cast_to
  @cast_to
end

#metaname ⇒ Object

Returns the value of attribute metaname.



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# File 'lib/choosy/argument.rb', line 7

def metaname
  @metaname
end

#validation_step ⇒ Object

Returns the value of attribute validation_step.



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# File 'lib/choosy/argument.rb', line 7

def validation_step
  @validation_step
end

Instance Method Details

#boolean! ⇒ Object 



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# File 'lib/choosy/argument.rb', line 37

def boolean!
  @arity = ZERO_ARITY
end

#boolean? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/choosy/argument.rb', line 25

def boolean?
  @arity == ZERO_ARITY
end

#finalize! ⇒ Object 



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# File 'lib/choosy/argument.rb', line 49

def finalize!
  @arity ||= ZERO_ARITY
  @cast_to ||= :string
end

#multiple! ⇒ Object 



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# File 'lib/choosy/argument.rb', line 45

def multiple!
  @arity = MANY_ARITY
end

#multiple? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/choosy/argument.rb', line 33

def multiple?
  @arity == MANY_ARITY
end

#required=(val) ⇒ Object 



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# File 'lib/choosy/argument.rb', line 13

def required=(val)
  @required = val
end

#required? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/choosy/argument.rb', line 17

def required?
  @required
end

#restricted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/choosy/argument.rb', line 21

def restricted?
  !allowable_values.nil? && allowable_values.length > 0
end

#single! ⇒ Object 



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# File 'lib/choosy/argument.rb', line 41

def single!
  @arity = ONE_ARITY
end

#single? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/choosy/argument.rb', line 29

def single?
  @arity == ONE_ARITY
end