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/* Cydia - iPhone UIKit Front-End for Debian APT
* Copyright (C) 2008-2013 Jay Freeman (saurik)
*/
/* GNU General Public License, Version 3 {{{ */
/*
* Cydia is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* Cydia is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cydia. If not, see <http://www.gnu.org/licenses/>.
**/
/* }}} */
#ifndef Substrate_HPP
#define Substrate_HPP
#include <objc/runtime.h>
template <typename Type_>
static inline Type_ &MSHookIvar(id self, const char *name) {
Ivar ivar(class_getInstanceVariable(object_getClass(self), name));
void *pointer(ivar == NULL ? NULL : reinterpret_cast<char *>(self) + ivar_getOffset(ivar));
return *reinterpret_cast<Type_ *>(pointer);
}
#define MSClassHook(name) \
@class name; \
static Class $ ## name = objc_getClass(#name);
#define MSHook(type, name, args...) \
static type (*_ ## name)(args); \
static type $ ## name(args)
#define CYHook(Type, Code, Name) \
static struct Type ## $ ## Code { Type ## $ ## Code() { \
Method Type ## $ ## Code(class_getInstanceMethod($ ## Type, @selector(Name))); \
if (Type ## $ ## Code != NULL) { \
_ ## Type ## $ ## Code = reinterpret_cast<decltype(_ ## Type ## $ ## Code)>(method_getImplementation(Type ## $ ## Code)); \
method_setImplementation(Type ## $ ## Code, reinterpret_cast<IMP>(&$ ## Type ## $ ## Code)); \
} \
} } Type ## $ ## Code;
#endif//Substrate_HPP
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