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26 lines
1.1 KiB
Objective-C
26 lines
1.1 KiB
Objective-C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#import <Foundation/Foundation.h>
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#import <SafariServices/SafariServices.h>
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#include <objc/runtime.h>
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BOOL SwizzleInstanceMethods(Class class, SEL dstSel, SEL srcSel)
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{
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Method dstMethod = class_getInstanceMethod(class, dstSel);
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Method srcMethod = class_getInstanceMethod(class, srcSel);
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IMP srcIMP = method_getImplementation(srcMethod);
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if (class_addMethod(class, dstSel, srcIMP, method_getTypeEncoding(srcMethod))) {
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class_replaceMethod(class, dstSel, method_getImplementation(dstMethod), method_getTypeEncoding(dstMethod));
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} else {
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method_exchangeImplementations(dstMethod, srcMethod);
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}
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return (method_getImplementation(srcMethod) == method_getImplementation(class_getInstanceMethod(class, dstSel)));
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}
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BOOL SwizzleClassMethods(Class class, SEL dstSel, SEL srcSel)
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{
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Class metaClass = object_getClass(class);
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return SwizzleInstanceMethods(metaClass, dstSel, srcSel);
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}
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