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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 CORE_FXCRT_EXTENSION_H_ | 7 #ifndef CORE_FXCRT_EXTENSION_H_ |
8 #define CORE_FXCRT_EXTENSION_H_ | 8 #define CORE_FXCRT_EXTENSION_H_ |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
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37 #ifdef PDF_ENABLE_XFA | 37 #ifdef PDF_ENABLE_XFA |
38 class CFX_CRTFileAccess : public IFX_FileAccess { | 38 class CFX_CRTFileAccess : public IFX_FileAccess { |
39 public: | 39 public: |
40 CFX_CRTFileAccess(); | 40 CFX_CRTFileAccess(); |
41 ~CFX_CRTFileAccess() override; | 41 ~CFX_CRTFileAccess() override; |
42 | 42 |
43 // IFX_FileAccess | 43 // IFX_FileAccess |
44 void Release() override; | 44 void Release() override; |
45 IFX_FileAccess* Retain() override; | 45 IFX_FileAccess* Retain() override; |
46 void GetPath(CFX_WideString& wsPath) override; | 46 void GetPath(CFX_WideString& wsPath) override; |
47 IFX_FileStream* CreateFileStream(uint32_t dwModes) override; | 47 IFX_SeekableStream* CreateFileStream(uint32_t dwModes) override; |
48 | 48 |
49 FX_BOOL Init(const CFX_WideStringC& wsPath); | 49 FX_BOOL Init(const CFX_WideStringC& wsPath); |
50 | 50 |
51 protected: | 51 protected: |
52 CFX_WideString m_path; | 52 CFX_WideString m_path; |
53 uint32_t m_RefCount; | 53 uint32_t m_RefCount; |
54 }; | 54 }; |
55 #endif // PDF_ENABLE_XFA | 55 #endif // PDF_ENABLE_XFA |
56 | 56 |
57 class CFX_CRTFileStream final : public IFX_FileStream { | 57 class CFX_CRTFileStream final : public IFX_SeekableStream { |
58 public: | 58 public: |
59 explicit CFX_CRTFileStream(std::unique_ptr<IFXCRT_FileAccess> pFA); | 59 explicit CFX_CRTFileStream(std::unique_ptr<IFXCRT_FileAccess> pFA); |
60 ~CFX_CRTFileStream() override; | 60 ~CFX_CRTFileStream() override; |
61 | 61 |
62 // IFX_FileStream: | 62 // IFX_SeekableStream: |
63 IFX_FileStream* Retain() override; | 63 IFX_SeekableStream* Retain() override; |
64 void Release() override; | 64 void Release() override; |
65 FX_FILESIZE GetSize() override; | 65 FX_FILESIZE GetSize() override; |
66 FX_BOOL IsEOF() override; | 66 FX_BOOL IsEOF() override; |
67 FX_FILESIZE GetPosition() override; | 67 FX_FILESIZE GetPosition() override; |
68 FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override; | 68 FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override; |
69 size_t ReadBlock(void* buffer, size_t size) override; | 69 size_t ReadBlock(void* buffer, size_t size) override; |
70 FX_BOOL WriteBlock(const void* buffer, | 70 FX_BOOL WriteBlock(const void* buffer, |
71 FX_FILESIZE offset, | 71 FX_FILESIZE offset, |
72 size_t size) override; | 72 size_t size) override; |
73 FX_BOOL Flush() override; | 73 FX_BOOL Flush() override; |
74 | 74 |
75 protected: | 75 protected: |
76 std::unique_ptr<IFXCRT_FileAccess> m_pFile; | 76 std::unique_ptr<IFXCRT_FileAccess> m_pFile; |
77 uint32_t m_dwCount; | 77 uint32_t m_dwCount; |
78 }; | 78 }; |
79 | 79 |
80 #define FX_MEMSTREAM_BlockSize (64 * 1024) | 80 #define FX_MEMSTREAM_BlockSize (64 * 1024) |
81 #define FX_MEMSTREAM_Consecutive 0x01 | 81 #define FX_MEMSTREAM_Consecutive 0x01 |
82 #define FX_MEMSTREAM_TakeOver 0x02 | 82 #define FX_MEMSTREAM_TakeOver 0x02 |
83 class CFX_MemoryStream final : public IFX_MemoryStream { | 83 class CFX_MemoryStream final : public IFX_MemoryStream { |
84 public: | 84 public: |
85 explicit CFX_MemoryStream(FX_BOOL bConsecutive); | 85 explicit CFX_MemoryStream(FX_BOOL bConsecutive); |
86 CFX_MemoryStream(uint8_t* pBuffer, size_t nSize, FX_BOOL bTakeOver); | 86 CFX_MemoryStream(uint8_t* pBuffer, size_t nSize, FX_BOOL bTakeOver); |
87 ~CFX_MemoryStream() override; | 87 ~CFX_MemoryStream() override; |
88 | 88 |
89 // IFX_MemoryStream | 89 // IFX_MemoryStream |
90 IFX_FileStream* Retain() override; | 90 IFX_SeekableStream* Retain() override; |
91 void Release() override; | 91 void Release() override; |
92 FX_FILESIZE GetSize() override; | 92 FX_FILESIZE GetSize() override; |
93 FX_BOOL IsEOF() override; | 93 FX_BOOL IsEOF() override; |
94 FX_FILESIZE GetPosition() override; | 94 FX_FILESIZE GetPosition() override; |
95 FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override; | 95 FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override; |
96 size_t ReadBlock(void* buffer, size_t size) override; | 96 size_t ReadBlock(void* buffer, size_t size) override; |
97 FX_BOOL WriteBlock(const void* buffer, | 97 FX_BOOL WriteBlock(const void* buffer, |
98 FX_FILESIZE offset, | 98 FX_FILESIZE offset, |
99 size_t size) override; | 99 size_t size) override; |
100 FX_BOOL Flush() override; | 100 FX_BOOL Flush() override; |
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135 uint32_t mt[MT_N]; | 135 uint32_t mt[MT_N]; |
136 }; | 136 }; |
137 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | 137 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
138 FX_BOOL FX_GenerateCryptoRandom(uint32_t* pBuffer, int32_t iCount); | 138 FX_BOOL FX_GenerateCryptoRandom(uint32_t* pBuffer, int32_t iCount); |
139 #endif | 139 #endif |
140 #ifdef __cplusplus | 140 #ifdef __cplusplus |
141 } | 141 } |
142 #endif | 142 #endif |
143 | 143 |
144 #endif // CORE_FXCRT_EXTENSION_H_ | 144 #endif // CORE_FXCRT_EXTENSION_H_ |
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