29 lines
1.0 KiB
Ruby
29 lines
1.0 KiB
Ruby
module ActionMailer
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module AdvAttrAccessor #:nodoc:
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def adv_attr_accessor(name, deprecation=nil)
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ivar = "@#{name}"
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deprecation ||= "Please pass :#{name} as hash key to mail() instead"
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class_eval <<-ACCESSORS, __FILE__, __LINE__ + 1
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def #{name}=(value)
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ActiveSupport::Deprecation.warn "#{name}= is deprecated. #{deprecation}"
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#{ivar} = value
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end
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def #{name}(*args)
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raise ArgumentError, "expected 0 or 1 parameters" unless args.length <= 1
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if args.empty?
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ActiveSupport::Deprecation.warn "#{name}() is deprecated and will be removed in future versions."
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#{ivar} if instance_variable_names.include?(#{ivar.inspect})
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else
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ActiveSupport::Deprecation.warn "#{name}(value) is deprecated. #{deprecation}"
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#{ivar} = args.first
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end
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end
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ACCESSORS
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self.protected_instance_variables << ivar if self.respond_to?(:protected_instance_variables)
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end
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end
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end
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