Class: UserChoices::NonListStrategy

Inherits:
AbstractArglistStrategy show all
Defined in:
lib/user-choices/arglist-strategies.rb

Overview

General handling for cases where the Arglist isn’t treated as a list, but rather as a single (possibly optional) element. Subclasses handle the optional/non-optional case.

Direct Known Subclasses

OneOptionalArg, OneRequiredArg

Instance Attribute Summary

Attributes inherited from AbstractArglistStrategy

#choice

Instance Method Summary collapse

Methods inherited from AbstractArglistStrategy

#adjust, #apply_claimed_conversions, #arglist_arity_error, #initialize

Constructor Details

This class inherits a constructor from UserChoices::AbstractArglistStrategy

Instance Method Details

#arity ⇒ Object

:nodoc:



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# File 'lib/user-choices/arglist-strategies.rb', line 144

def arity; subclass_responsibility; end

#claim_conversions(conversions_map) ⇒ Object 



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# File 'lib/user-choices/arglist-strategies.rb', line 155

def claim_conversions(conversions_map)
  claim_length_check(conversions_map)
  user_denies(@length_check) {
    "Don't specify the length of an argument list when it's not treated as an array."
  }
end

#fill(arglist) ⇒ Object 



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# File 'lib/user-choices/arglist-strategies.rb', line 146

def fill(arglist)
  case arglist.length
  when 0 then # This is not considered an error because another source
          # might fill in the value.
  when 1 then @value_holder[@choice] = arglist[0]
  else user_is_bewildered(arglist_arity_error(arglist.length, self.arity))
  end
end