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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef XFA_FGAS_CRT_FGAS_MEMORY_H_ | 7 #ifndef XFA_FGAS_CRT_FGAS_MEMORY_H_ |
8 #define XFA_FGAS_CRT_FGAS_MEMORY_H_ | 8 #define XFA_FGAS_CRT_FGAS_MEMORY_H_ |
9 | 9 |
| 10 #include <memory> |
| 11 |
10 #include "core/fxcrt/include/fx_memory.h" | 12 #include "core/fxcrt/include/fx_memory.h" |
11 #include "core/fxcrt/include/fx_system.h" | 13 #include "core/fxcrt/include/fx_system.h" |
12 | 14 |
13 enum FX_ALLOCTYPE { | 15 enum FX_ALLOCTYPE { |
14 FX_ALLOCTYPE_Static, | 16 FX_ALLOCTYPE_Static, |
15 FX_ALLOCTYPE_Fixed, | 17 FX_ALLOCTYPE_Fixed, |
16 }; | 18 }; |
17 | 19 |
18 class IFX_MemoryAllocator { | 20 class IFX_MemoryAllocator { |
19 public: | 21 public: |
20 virtual ~IFX_MemoryAllocator() {} | 22 virtual ~IFX_MemoryAllocator() {} |
21 virtual void* Alloc(size_t size) = 0; | 23 virtual void* Alloc(size_t size) = 0; |
22 virtual void Free(void* pBlock) = 0; | 24 virtual void Free(void* pBlock) = 0; |
23 | 25 |
24 static IFX_MemoryAllocator* Create(FX_ALLOCTYPE eType, | 26 static std::unique_ptr<IFX_MemoryAllocator> Create(FX_ALLOCTYPE eType, |
25 size_t chunkSize, | 27 size_t chunkSize, |
26 size_t blockSize); | 28 size_t blockSize); |
27 }; | 29 }; |
28 | 30 |
29 class CFX_Target { | 31 class CFX_Target { |
30 public: | 32 public: |
31 virtual ~CFX_Target() {} | 33 virtual ~CFX_Target() {} |
32 void* operator new(size_t size) { return FX_Alloc(uint8_t, size); } | 34 void* operator new(size_t size) { return FX_Alloc(uint8_t, size); } |
33 void operator delete(void* p) { FX_Free(p); } | 35 void operator delete(void* p) { FX_Free(p); } |
34 void* operator new(size_t size, IFX_MemoryAllocator* pAllocator) { | 36 void* operator new(size_t size, IFX_MemoryAllocator* pAllocator) { |
35 return pAllocator->Alloc(size); | 37 return pAllocator->Alloc(size); |
36 } | 38 } |
37 void operator delete(void* p, IFX_MemoryAllocator* pAllocator) { | 39 void operator delete(void* p, IFX_MemoryAllocator* pAllocator) { |
38 pAllocator->Free(p); | 40 pAllocator->Free(p); |
39 } | 41 } |
40 void* operator new(size_t size, void* place) { return place; } | 42 void* operator new(size_t size, void* place) { return place; } |
41 void operator delete(void* p, void* place) {} | 43 void operator delete(void* p, void* place) {} |
42 }; | 44 }; |
43 | 45 |
44 #define FXTARGET_NewWith(__allocator__) new (__allocator__) | 46 #define FXTARGET_NewWith(__allocator__) new (__allocator__) |
45 #define FXTARGET_DeleteWith(__class__, __allocator__, pointer) \ | 47 #define FXTARGET_DeleteWith(__class__, __allocator__, pointer) \ |
46 { \ | 48 { \ |
47 (pointer)->~__class__(); \ | 49 (pointer)->~__class__(); \ |
48 (pointer)->operator delete((pointer), (__allocator__)); \ | 50 (pointer)->operator delete((pointer), (__allocator__)); \ |
49 } | 51 } |
50 | 52 |
51 #endif // XFA_FGAS_CRT_FGAS_MEMORY_H_ | 53 #endif // XFA_FGAS_CRT_FGAS_MEMORY_H_ |
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