Class: MocaRlibs::GrapeValidators::OnlyPrintable

Inherits:
Grape::Validations::Base
  • Object
show all
Defined in:
lib/moca_rlibs/grape_validators/only_printable.rb

Overview

出力可能なアスキー文字のみかどうかをチェックする(半角英数字+一部の記号)

Instance Method Summary collapse

Instance Method Details

#validate_param!(attr_name, params) ⇒ Object

Raises:

  • (Grape::Exceptions::Validation) 


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# File 'lib/moca_rlibs/grape_validators/only_printable.rb', line 9

def validate_param!(attr_name, params)
  return if !@required && params[attr_name].blank?

  # `to_s` is for Symbol.
  parameter = params[attr_name].presence.to_s
  return if parameter.match?(%r{\A[a-zA-Z0-9!"#$%&'()*+,-./:;<=>?@\[\\\]^_`{|}~]*\z})

  message = 'contain invalid characters (only printable ascii characters)'
  raise Grape::Exceptions::Validation.new(params: [@scope.full_name(attr_name)], message: message)
end