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Contents
module EnumeratedAttribute
module Attribute
module Arguments
def self.validate_enum_attr_arguments(config)
raise(InvalidDefinition, 'second argument of enumerated_attribute/enum_attr is not an array of symbols or strings representing the enum values', caller) if config.enums.empty?
end
def self.init_incrementor_decrementor_method_names(config)
config.incrementor = config.opts[:incrementor] || config.opts[:inc] || "#{config.attr_name}_next"
config.decrementor = config.opts[:decrementor] || config.opts[:dec] || "#{config.attr_name}_previous"
end
def self.init_plural_name(config)
config.plural_name = config.opts[:plural] || config.opts[:enums_accessor] || config.opts[:enums] || begin
case
when config.attr_name =~ /[aeiou]y$/
"#{config.attr_name}s"
when config.attr_name =~ /y$/
config.attr_name.sub(/y$/, 'ies')
when config.attr_name =~ /(sh|ch|x|s)$/
"#{config.attr_name}es"
else
"#{config.attr_name}s"
end
end
end
def self.process_enums_for_initial_value(config)
config.initial_value = nil
config.enums = config.enums.map{|v| (v =~ /^\^/ ? (config.initial_value ||= v[1, v.length-1].to_sym) : v.to_sym )}
end
def self.parse_enum_attr_arguments(args)
config = OpenStruct.new
config.attr_name = args[0].to_s
config.attr_symbol = config.attr_name.to_sym
config.enums = (args[1] && args[1].is_a?(Array) ? args[1] : [])
index = config.enums.empty? ? 1 : 2
config.opts = (args[index] && args[index].is_a?(Hash) ? args[index] : {})
validate_enum_attr_arguments(config)
init_plural_name(config)
init_incrementor_decrementor_method_names(config)
process_enums_for_initial_value(config)
config
end
end
end
end
Version data entries
8 entries across 8 versions & 2 rubygems