comparison: src/misc/documentPointer.h
src/misc/documentPointer.h
- changeset 784
- f82ab4d3c7b4
- parent 655
- b376645315ab
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| 783:1db20d88650f | 784:f82ab4d3c7b4 |
|---|---|
| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013, 2014 Santeri Piippo | |
| 4 * | |
| 5 * This program is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation, either version 3 of the License, or | |
| 8 * (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 * GNU General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 */ | |
| 18 | |
| 19 #pragma once | |
| 20 | |
| 21 #include "../main.h" | |
| 22 | |
| 23 class LDSubfile; | |
| 24 class LDDocument; | |
| 25 | |
| 26 //! | |
| 27 //! \brief A reference-counting pointer to LDDocument. | |
| 28 //! | |
| 29 //! The LDDocumentPointer class defines a reference-counting pointer which | |
| 30 //! points to LDDocument. | |
| 31 //! | |
| 32 class LDDocumentPointer | |
| 33 { | |
| 34 PROPERTY (private, LDDocument*, pointer, setPointer, STOCK_WRITE) | |
| 35 | |
| 36 public: | |
| 37 //! Constructs a null LDDocumentPointer | |
| 38 LDDocumentPointer(); | |
| 39 | |
| 40 //! Constructs a document pointer with the given pointer | |
| 41 LDDocumentPointer (LDDocument* ptr); | |
| 42 | |
| 43 //! Copy-constructs a LDDocumentPointer. | |
| 44 LDDocumentPointer (const LDDocumentPointer& other); | |
| 45 | |
| 46 //! Destructs the pointer. | |
| 47 ~LDDocumentPointer(); | |
| 48 | |
| 49 //! \param ptr the new pointer to change to. | |
| 50 LDDocumentPointer& operator= (LDDocument* ptr); | |
| 51 | |
| 52 //! Copy operator. | |
| 53 //! \param other the pointer whose internal pointer to copy. | |
| 54 inline LDDocumentPointer& operator= (LDDocumentPointer& other) | |
| 55 { | |
| 56 return operator= (other.pointer()); | |
| 57 } | |
| 58 | |
| 59 //! Operator overload for a->b support. | |
| 60 inline LDDocument* operator->() const | |
| 61 { | |
| 62 return pointer(); | |
| 63 } | |
| 64 | |
| 65 //! Cast operator overload | |
| 66 inline operator LDDocument*() const | |
| 67 { | |
| 68 return pointer(); | |
| 69 } | |
| 70 | |
| 71 private: | |
| 72 void addReference(); | |
| 73 void removeReference(); | |
| 74 }; |
