# File lib/active_model/validations/length.rb, line 12 12: def initialize(options) 13: if range = (options.delete(:in) || options.delete(:within)) 14: raise ArgumentError, ":in and :within must be a Range" unless range.is_a?(Range) 15: options[:minimum], options[:maximum] = range.begin, range.end 16: options[:maximum] -= 1 if range.exclude_end? 17: end 18: 19: super(options.reverse_merge(:tokenizer => DEFAULT_TOKENIZER)) 20: end
# File lib/active_model/validations/length.rb, line 22 22: def check_validity! 23: keys = CHECKS.keys & options.keys 24: 25: if keys.empty? 26: raise ArgumentError, 'Range unspecified. Specify the :within, :maximum, :minimum, or :is option.' 27: end 28: 29: keys.each do |key| 30: value = options[key] 31: 32: unless value.is_a?(Integer) && value >= 0 33: raise ArgumentError, ":#{key} must be a nonnegative Integer" 34: end 35: end 36: end
# File lib/active_model/validations/length.rb, line 38 38: def validate_each(record, attribute, value) 39: value = options[:tokenizer].call(value) if value.kind_of?(String) 40: 41: CHECKS.each do |key, validity_check| 42: next unless check_value = options[key] 43: 44: value ||= [] if key == :maximum 45: 46: next if value && value.size.send(validity_check, check_value) 47: 48: errors_options = options.except(*RESERVED_OPTIONS) 49: errors_options[:count] = check_value 50: 51: default_message = options[MESSAGES[key]] 52: errors_options[:message] ||= default_message if default_message 53: 54: record.errors.add(attribute, MESSAGES[key], errors_options) 55: end 56: end
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