5c3e6f1575
git-svn-id: https://beef.googlecode.com/svn/trunk@1046 b87d56ec-f9c0-11de-8c8a-61c5e9addfc9
101 lines
2.5 KiB
Ruby
101 lines
2.5 KiB
Ruby
#
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# Copyright 2011 Wade Alcorn wade@bindshell.net
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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class Module
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# Returns the classes in the current ObjectSpace where this module has been
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# mixed in according to Module#included_modules.
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#
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# module M
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# end
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#
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# module N
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# include M
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# end
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#
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# class C
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# include M
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# end
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#
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# class D < C
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# end
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#
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# p M.included_in_classes # => [C, D]
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#
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def included_in_classes
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classes = []
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ObjectSpace.each_object(Class) { |k| classes << k if k.included_modules.include?(self) }
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classes.reverse.inject([]) do |unique_classes, klass|
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unique_classes << klass unless unique_classes.collect { |k| k.to_s }.include?(klass.to_s)
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unique_classes
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end
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end
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# Returns the modules in the current ObjectSpace where this module has been
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# mixed in according to Module#included_modules.
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#
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# module M
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# end
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#
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# module N
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# include M
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# end
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#
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# p M.included_in_modules # => [N]
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#
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def included_in_modules
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modules = []
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ObjectSpace.each_object(Module) { |k| modules << k if k.included_modules.include?(self) }
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modules.reverse.inject([]) do |unique_modules, klass|
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unique_modules << klass unless unique_modules.collect { |k| k.to_s }.include?(klass.to_s)
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unique_modules
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end
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end
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#
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# module M
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# end
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#
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# module N
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# extend M
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# end
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#
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# p N.extended_modules # => [M]
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#
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def extended_modules
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(class << self; self end).included_modules
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end
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#
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# module M
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# end
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#
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# module N
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# extend M
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# end
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#
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# p M.extended_in_modules # => [N]
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#
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def extended_in_modules
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modules = []
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ObjectSpace.each_object(Module) { |k| modules << k if k.extended_modules.include?(self) }
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modules.reverse.inject([]) do |unique_modules, klass|
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unique_modules << klass unless unique_modules.collect { |k| k.to_s }.include?(klass.to_s)
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unique_modules
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end
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end
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end |