ActiveModel::Validations::EmailValidator

# File lib/active_model/validations/email_validator.rb, line 4
def initialize(options)
  options[:local_length] ||= ::Validator::Email::LOCAL_LENGTH

  options[:domain] ||= {}
  options[:domain_length] = options[:domain][:length] ||= ::Validator::Domain::LENGTH
  options[:domain_label_length] = options[:domain][:label_length] ||= ::Validator::Domain::LABEL_LENGTH

  super(options)
end

# File lib/active_model/validations/email_validator.rb, line 14
def validate_each(record, attr_name, value)
  # do not validate if value is empty
  return if value.nil?

  @validator = ::Validator::Email.new(value)

  unless @validator.is_email? 
    record.errors.add(attr_name, :'email.invalid', options)
    return false
  end

  unless @validator.valid_by_local_length?(options[:local_length])
    record.errors.add(attr_name, :'email.local_length', options)
    return false
  end

  unless @validator.valid_by_regexp?
    record.errors.add(attr_name, :'email.invalid', options)
    return false
  end

  # validate domain part of email address
  @domain_validator = ::Validator::Domain.new(@validator.domain)

  # max domain length
  unless @domain_validator.valid_by_length?(options[:domain_length])
    record.errors.add(attr_name, :'email.domain.length', options)
  end

  # label is limited to between 1 and 63 octets
  unless @domain_validator.valid_by_label_length?(options[:domain_label_length])
    record.errors.add(attr_name, :'email.domain.label_length', options)
  end

  # skip proceeding validation if errors
  return unless record.errors.blank?

  unless @domain_validator.valid_by_regexp?
    record.errors.add(attr_name, :'email.domain.invalid', options)
  end
end