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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 Menes_ObjectHandle_H
#define Menes_ObjectHandle_H
#include "CyteKit/UCPlatform.h"
#include <CoreFoundation/CoreFoundation.h>
#include <Foundation/Foundation.h>
template <typename Type_, unsigned Delegate_>
struct MenesObjectHandle_;
template <typename Type_>
struct MenesObjectHandle_<Type_, 0> {
static _finline void Execute(Type_ *value) {
}
};
template <typename Type_>
struct MenesObjectHandle_<Type_, 1> {
static _finline void Execute(Type_ *value) {
[value setDelegate:nil];
}
};
template <typename Type_>
struct MenesObjectHandle_<Type_, 2> {
static _finline void Execute(Type_ *value) {
[value setDelegate:nil];
[value setDataSource:nil];
}
};
template <typename Type_, unsigned Delegate_ = 0>
class MenesObjectHandle {
private:
Type_ *value_;
_finline void Retain_() {
if (value_ != nil)
CFRetain((CFTypeRef) value_);
}
_finline void Release_(Type_ *value) {
if (value != nil) {
MenesObjectHandle_<Type_, Delegate_>::Execute(value);
CFRelease((CFTypeRef) value);
}
}
public:
_finline MenesObjectHandle(const MenesObjectHandle &rhs) :
value_(rhs.value_ == nil ? nil : (Type_ *) CFRetain((CFTypeRef) rhs.value_))
{
}
_finline MenesObjectHandle(Type_ *value = NULL, bool mended = false) :
value_(value)
{
if (!mended)
Retain_();
}
_finline ~MenesObjectHandle() {
Release_(value_);
}
_finline operator Type_ *() const {
return value_;
}
_finline Type_ *operator ->() const {
return value_;
}
_finline MenesObjectHandle &operator =(Type_ *value) {
if (value_ != value) {
Type_ *old(value_);
value_ = value;
Retain_();
Release_(old);
} return *this;
}
_finline MenesObjectHandle &operator =(const MenesObjectHandle &value) {
return this->operator =(value.operator Type_ *());
}
};
#define _H MenesObjectHandle
#define rproperty_(Class, field) \
- (typeof(((Class*)nil)->_##field.operator->())) field { \
return _##field; \
}
#define wproperty_(Class, field, Field) \
- (void) set##Field:(typeof(((Class*)nil)->_##field.operator->()))field { \
_##field = field; \
}
#define roproperty(Class, field) \
@implementation Class (Menes_##field) \
rproperty_(Class, field) \
@end
#define rwproperty(Class, field, Field) \
@implementation Class (Menes_##field) \
rproperty_(Class, field) \
wproperty_(Class, field, Field) \
@end
#endif//Menes_ObjectHandle_H
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