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Contents
module Inch
module API
module Options
class Base
class << self
# Creates an attribute with an optional default value
#
# @param name [Symbol] the name of the attribute
# @param default [nil] the default value of the attribute
# @return [void]
def attribute(name, default = nil)
define_method(name) do
instance_variable_get("@#{name}") || default
end
@attributes ||= {}
@attributes[to_s] ||= []
@attributes[to_s] << name
end
def attribute_names
@attributes ||= {}
@attributes[to_s] ||= []
end
end
def initialize(options_or_hash)
self.class.attribute_names.each do |name|
read options_or_hash, name
end
end
protected
def read(options_or_hash, name)
value = if options_or_hash.is_a?(Hash)
options_or_hash[name]
else
options_or_hash.send(name)
end
instance_variable_set("@#{name}", value)
end
end
end
end
end
Version data entries
36 entries across 36 versions & 1 rubygems