projects / cydget.git / blame
| Commit | Line | Data |
|---|---|---|
| 0c1e3ef0 | 1 | /* Cydget - open-source AwayView plugin multiplexer |
| bdd21db5 | 2 | * Copyright (C) 2009-2013 Jay Freeman (saurik) |
| 0c1e3ef0 JF |
3 | */ |
| 4 | ||
| 5 | /* | |
| 6 | * Redistribution and use in source and binary | |
| 7 | * forms, with or without modification, are permitted | |
| 8 | * provided that the following conditions are met: | |
| 9 | * | |
| 10 | * 1. Redistributions of source code must retain the | |
| 11 | * above copyright notice, this list of conditions | |
| 12 | * and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the | |
| 14 | * above copyright notice, this list of conditions | |
| 15 | * and the following disclaimer in the documentation | |
| 16 | * and/or other materials provided with the | |
| 17 | * distribution. | |
| 18 | * 3. The name of the author may not be used to endorse | |
| 19 | * or promote products derived from this software | |
| 20 | * without specific prior written permission. | |
| 21 | * | |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' | |
| 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, | |
| 24 | * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 25 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE | |
| 27 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 28 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 29 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 32 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
| 33 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | |
| 34 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 35 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 36 | */ | |
| 37 | ||
| 38 | #ifndef HANDLE_HPP | |
| 39 | #define HANDLE_HPP | |
| 40 | ||
| 41 | template <typename Type_> | |
| 42 | class _H { | |
| 43 | typedef _H<Type_> This_; | |
| 44 | ||
| 45 | private: | |
| 46 | Type_ *value_; | |
| 47 | ||
| 48 | _finline void Retain_() { | |
| 49 | if (value_ != nil) | |
| 50 | CFRetain((CFTypeRef) value_); | |
| 51 | } | |
| 52 | ||
| 53 | _finline void Clear_() { | |
| 54 | if (value_ != nil) | |
| 55 | CFRelease((CFTypeRef) value_); | |
| 56 | } | |
| 57 | ||
| 58 | public: | |
| 59 | _finline _H(const This_ &rhs) : | |
| 60 | value_(rhs.value_ == nil ? nil : (Type_ *) CFRetain((CFTypeRef) rhs.value_)) | |
| 61 | { | |
| 62 | } | |
| 63 | ||
| 64 | _finline _H(Type_ *value = NULL, bool mended = false) : | |
| 65 | value_(value) | |
| 66 | { | |
| 67 | if (!mended) | |
| 68 | Retain_(); | |
| 69 | } | |
| 70 | ||
| 71 | _finline ~_H() { | |
| 72 | Clear_(); | |
| 73 | } | |
| 74 | ||
| 75 | _finline operator Type_ *() const { | |
| 76 | return value_; | |
| 77 | } | |
| 78 | ||
| 79 | _finline This_ &operator =(Type_ *value) { | |
| 80 | if (value_ != value) { | |
| 81 | Type_ *old(value_); | |
| 82 | value_ = value; | |
| 83 | Retain_(); | |
| 84 | if (old != nil) | |
| 85 | CFRelease((CFTypeRef) old); | |
| 86 | } return *this; | |
| 87 | } | |
| 88 | }; | |
| 89 | ||
| 90 | #endif//HANDLE_HPP |