75 lines
2.0 KiB
Ruby
75 lines
2.0 KiB
Ruby
require 'active_support/inflector'
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module ActiveSupport
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module Deprecation
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class DeprecationProxy #:nodoc:
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instance_methods.each { |m| undef_method m unless m =~ /^__|^object_id$/ }
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# Don't give a deprecation warning on inspect since test/unit and error
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# logs rely on it for diagnostics.
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def inspect
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target.inspect
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end
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private
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def method_missing(called, *args, &block)
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warn caller, called, args
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target.__send__(called, *args, &block)
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end
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end
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class DeprecatedObjectProxy < DeprecationProxy #:nodoc:
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def initialize(object, message)
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@object = object
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@message = message
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end
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private
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def target
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@object
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end
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def warn(callstack, called, args)
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ActiveSupport::Deprecation.warn(@message, callstack)
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end
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end
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# Stand-in for <tt>@request</tt>, <tt>@attributes</tt>, <tt>@params</tt>, etc.
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# which emits deprecation warnings on any method call (except +inspect+).
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class DeprecatedInstanceVariableProxy < DeprecationProxy #:nodoc:
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def initialize(instance, method, var = "@#{method}")
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@instance, @method, @var = instance, method, var
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end
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private
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def target
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@instance.__send__(@method)
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end
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def warn(callstack, called, args)
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ActiveSupport::Deprecation.warn("#{@var} is deprecated! Call #{@method}.#{called} instead of #{@var}.#{called}. Args: #{args.inspect}", callstack)
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end
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end
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class DeprecatedConstantProxy < DeprecationProxy #:nodoc:
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def initialize(old_const, new_const)
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@old_const = old_const
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@new_const = new_const
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end
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def class
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target.class
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end
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private
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def target
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ActiveSupport::Inflector.constantize(@new_const.to_s)
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end
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def warn(callstack, called, args)
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ActiveSupport::Deprecation.warn("#{@old_const} is deprecated! Use #{@new_const} instead.", callstack)
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end
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end
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end
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end
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