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HTTPStubsMethodSwizzling.m
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HTTPStubsMethodSwizzling.m
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/***********************************************************************************
*
* Copyright (c) 2012 Olivier Halligon, 2016 Sebastian Hagedorn
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
***********************************************************************************/
////////////////////////////////////////////////////////////////////////////////
#pragma mark - Imports
#import "HTTPStubsMethodSwizzling.h"
//////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark - Method Swizzling Helpers
IMP HTTPStubsReplaceMethod(SEL selector,
IMP newImpl,
Class affectedClass,
BOOL isClassMethod)
{
Method origMethod = isClassMethod ? class_getClassMethod(affectedClass, selector) : class_getInstanceMethod(affectedClass, selector);
IMP origImpl = method_getImplementation(origMethod);
if (!class_addMethod(isClassMethod ? object_getClass(affectedClass) : affectedClass, selector, newImpl, method_getTypeEncoding(origMethod)))
{
method_setImplementation(origMethod, newImpl);
}
return origImpl;
}