31 lines
796 B
Ruby
31 lines
796 B
Ruby
module ActionMailer
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module AdvAttrAccessor #:nodoc:
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def self.included(base)
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base.extend(ClassMethods)
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end
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module ClassMethods #:nodoc:
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def adv_attr_accessor(*names)
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names.each do |name|
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ivar = "@#{name}"
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define_method("#{name}=") do |value|
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instance_variable_set(ivar, value)
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end
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define_method(name) do |*parameters|
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raise ArgumentError, "expected 0 or 1 parameters" unless parameters.length <= 1
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if parameters.empty?
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if instance_variable_names.include?(ivar)
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instance_variable_get(ivar)
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end
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else
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instance_variable_set(ivar, parameters.first)
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end
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end
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end
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end
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end
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end
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end
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