NIRuntimeClassModifications.m

//
// Copyright 2011 Jeff Verkoeyen
//
// Forked from Three20 June 10, 2011 - Copyright 2009-2011 Facebook
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#import "NIRuntimeClassModifications.h"

#import <objc/runtime.h>


///////////////////////////////////////////////////////////////////////////////////////////////////
void NISwapInstanceMethods(Class cls, SEL originalSel, SEL newSel) {
  Method originalMethod = class_getInstanceMethod(cls, originalSel);
  Method newMethod = class_getInstanceMethod(cls, newSel);
  method_exchangeImplementations(originalMethod, newMethod);
}


///////////////////////////////////////////////////////////////////////////////////////////////////
void NISwapClassMethods(Class cls, SEL originalSel, SEL newSel) {
  Method originalMethod = class_getClassMethod(cls, originalSel);
  Method newMethod = class_getClassMethod(cls, newSel);
  method_exchangeImplementations(originalMethod, newMethod);
}