Module: Tchae

Defined in:
lib/tchae/core.rb,
lib/tchae/core.rb,
lib/tchae/version.rb

Defined Under Namespace

Modules: Handling, PI, PISingleton Classes: ArgumentTypeError, ArgumentTypeException, ArgumentValueError, ArgumentValueException, Arguments, Error, KeywordArgs, MethodValidator, PositionalArgs, Result, ResultWrapper, ReturnTypeError, ReturnTypeException, Validator, Validator1

Constant Summary collapse

NilWrapper = 
MethodValidator.new.freeze
VERSION = 
'0.0.2'.freeze

Class Method Summary collapse

Class Method Details

.do_validation_raise(obj, wrapper, tea_methodsymb, proclmbda, params, kwparms) ⇒ Object

wrap method with validation, and on invalid,

exit by raising exception



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# File 'lib/tchae/core.rb', line 74

def self.do_validation_raise(obj, wrapper, tea_methodsymb,
                                  proclmbda, params, kwparms)

  wrapper.args.positional.valid_or_raise_exception(params)
  wrapper.args.keyword.valid_or_raise_exception(kwparms)
  unchecked_result = if proclmbda.arity.zero?
                       obj.__send__(tea_methodsymb)
                     elsif kwparms.empty?
                       obj.__send__(tea_methodsymb, *params)
                     elsif params.empty?
                       obj.__send__(tea_methodsymb, **kwparms)
                     else
                       obj.__send__(tea_methodsymb, *params, **kwparms)
                     end
  wrapper.result.valid_or_raise_exception unchecked_result
end

.do_validation_result_or_error(obj, wrapper, tea_methodsymb, proclmbda, params, kwparms) ⇒ Object

wrap method with validation, and on invalid,

exit with control flow and retun a error object

on success return the valid result



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# File 'lib/tchae/core.rb', line 45

def self.do_validation_result_or_error(obj, wrapper, tea_methodsymb,
                                  proclmbda, params, kwparms)
  unless params.empty?
    if (err = wrapper.args.positional.valid_or_return_error(params))
      return err
    end
  end
  unless kwparms.empty?
    if (err = wrapper.args.keyword.valid_or_return_error(kwparms))
      return err
    end
  end

  unchecked_result = if proclmbda.arity.zero?
                       obj.__send__(tea_methodsymb)
                     elsif kwparms.empty?
                       obj.__send__(tea_methodsymb, *params)
                     elsif params.empty?
                       obj.__send__(tea_methodsymb, **kwparms)
                     else
                       obj.__send__(tea_methodsymb, *params, **kwparms)
                     end

  wrapper.result.valid_or_return_error unchecked_result
end

.do_validation_return_wrapper(obj, wrapper, tea_methodsymb, proclmbda, params, kwparms) ⇒ Object

wrap method with validation, and on invalid,

exit with control flow and retun a wrapped error object

on success return a wrapped return object



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# File 'lib/tchae/core.rb', line 16

def self.do_validation_return_wrapper(obj, wrapper, tea_methodsymb,
                                     proclmbda, params, kwparms)
  unless params.empty?
    if (err = wrapper.args.positional.valid_or_return_error(params))
      return Return(nil, err)
    end
  end
  unless kwparms.empty?
    if (err = wrapper.args.keyword.valid_or_return_error(kwparms))
      return Return(nil, err)
    end
  end

  unchecked_result = if proclmbda.arity.zero?
                       obj.__send__(tea_methodsymb)
                     elsif kwparms.empty?
                       obj.__send__(tea_methodsymb, *params)
                     elsif params.empty?
                       obj.__send__(tea_methodsymb, **kwparms)
                     else
                       obj.__send__(tea_methodsymb, *params, **kwparms)
                     end

  wrapper.result.return_wrapper unchecked_result
end

.Wrapper(handling = ::Tchae::Handling::RAISE) ⇒ Object 



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# File 'lib/tchae/core.rb', line 9

def self.Wrapper(handling = ::Tchae::Handling::RAISE)
  MethodValidator.new(handling)
end