1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* Cydia - iPhone UIKit Front-End for Debian APT
* Copyright (C) 2008-2015 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 <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
|
