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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_INCLUDE_FXCRT_FX_STREAM_H_ | 7 #ifndef CORE_INCLUDE_FXCRT_FX_STREAM_H_ | 
| 8 #define CORE_INCLUDE_FXCRT_FX_STREAM_H_ | 8 #define CORE_INCLUDE_FXCRT_FX_STREAM_H_ | 
| 9 | 9 | 
| 10 #include "fx_string.h" | 10 #include "fx_string.h" | 
| 11 | 11 | 
| 12 void* FX_OpenFolder(const FX_CHAR* path); | 12 void* FX_OpenFolder(const FX_CHAR* path); | 
| 13 void* FX_OpenFolder(const FX_WCHAR* path); | 13 void* FX_OpenFolder(const FX_WCHAR* path); | 
| 14 FX_BOOL FX_GetNextFile(void* handle, CFX_ByteString& filename, FX_BOOL& bFolder)
     ; | 14 bool FX_GetNextFile(void* handle, CFX_ByteString& filename, bool& bFolder); | 
| 15 FX_BOOL FX_GetNextFile(void* handle, CFX_WideString& filename, FX_BOOL& bFolder)
     ; | 15 bool FX_GetNextFile(void* handle, CFX_WideString& filename, bool& bFolder); | 
| 16 void FX_CloseFolder(void* handle); | 16 void FX_CloseFolder(void* handle); | 
| 17 FX_WCHAR FX_GetFolderSeparator(); | 17 FX_WCHAR FX_GetFolderSeparator(); | 
| 18 typedef struct FX_HFILE_ { | 18 typedef struct FX_HFILE_ { | 
| 19     void* pData; | 19     void* pData; | 
| 20 }* FX_HFILE; | 20 }* FX_HFILE; | 
| 21 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | 21 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | 
| 22 #define FX_FILESIZE                     int32_t | 22 #define FX_FILESIZE                     int32_t | 
| 23 #else | 23 #else | 
| 24 #include <fcntl.h> | 24 #include <fcntl.h> | 
| 25 #include <unistd.h> | 25 #include <unistd.h> | 
| (...skipping 20 matching lines...) Expand all  Loading... | 
| 46 FX_HFILE        FX_File_Open(const CFX_ByteStringC& fileName, FX_DWORD dwMode); | 46 FX_HFILE        FX_File_Open(const CFX_ByteStringC& fileName, FX_DWORD dwMode); | 
| 47 FX_HFILE        FX_File_Open(const CFX_WideStringC& fileName, FX_DWORD dwMode); | 47 FX_HFILE        FX_File_Open(const CFX_WideStringC& fileName, FX_DWORD dwMode); | 
| 48 void            FX_File_Close(FX_HFILE hFile); | 48 void            FX_File_Close(FX_HFILE hFile); | 
| 49 FX_FILESIZE     FX_File_GetSize(FX_HFILE hFile); | 49 FX_FILESIZE     FX_File_GetSize(FX_HFILE hFile); | 
| 50 FX_FILESIZE     FX_File_GetPosition(FX_HFILE hFile); | 50 FX_FILESIZE     FX_File_GetPosition(FX_HFILE hFile); | 
| 51 FX_FILESIZE     FX_File_SetPosition(FX_HFILE hFile, FX_FILESIZE pos); | 51 FX_FILESIZE     FX_File_SetPosition(FX_HFILE hFile, FX_FILESIZE pos); | 
| 52 size_t          FX_File_Read(FX_HFILE hFile, void* pBuffer, size_t szBuffer); | 52 size_t          FX_File_Read(FX_HFILE hFile, void* pBuffer, size_t szBuffer); | 
| 53 size_t          FX_File_ReadPos(FX_HFILE hFile, void* pBuffer, size_t szBuffer, 
     FX_FILESIZE pos); | 53 size_t          FX_File_ReadPos(FX_HFILE hFile, void* pBuffer, size_t szBuffer, 
     FX_FILESIZE pos); | 
| 54 size_t          FX_File_Write(FX_HFILE hFile, const void* pBuffer, size_t szBuff
     er); | 54 size_t          FX_File_Write(FX_HFILE hFile, const void* pBuffer, size_t szBuff
     er); | 
| 55 size_t          FX_File_WritePos(FX_HFILE hFile, const void* pBuffer, size_t szB
     uffer, FX_FILESIZE pos); | 55 size_t          FX_File_WritePos(FX_HFILE hFile, const void* pBuffer, size_t szB
     uffer, FX_FILESIZE pos); | 
| 56 FX_BOOL»»       FX_File_Flush(FX_HFILE hFile); | 56 bool»   »       FX_File_Flush(FX_HFILE hFile); | 
| 57 FX_BOOL»»       FX_File_Truncate(FX_HFILE hFile, FX_FILESIZE szFile); | 57 bool»   »       FX_File_Truncate(FX_HFILE hFile, FX_FILESIZE szFile); | 
| 58 FX_BOOL»»       FX_File_Exist(const CFX_ByteStringC& fileName); | 58 bool»   »       FX_File_Exist(const CFX_ByteStringC& fileName); | 
| 59 FX_BOOL»»       FX_File_Exist(const CFX_WideStringC& fileName); | 59 bool»   »       FX_File_Exist(const CFX_WideStringC& fileName); | 
| 60 FX_BOOL»»       FX_File_Delete(const CFX_ByteStringC& fileName); | 60 bool»   »       FX_File_Delete(const CFX_ByteStringC& fileName); | 
| 61 FX_BOOL»»       FX_File_Delete(const CFX_WideStringC& fileName); | 61 bool»   »       FX_File_Delete(const CFX_WideStringC& fileName); | 
| 62 FX_BOOL»»       FX_File_Copy(const CFX_ByteStringC& fileNameSrc, const CFX_ByteS
     tringC& fileNameDst); | 62 bool»   »       FX_File_Copy(const CFX_ByteStringC& fileNameSrc, const CFX_ByteS
     tringC& fileNameDst); | 
| 63 FX_BOOL»»       FX_File_Copy(const CFX_WideStringC& fileNameSrc, const CFX_WideS
     tringC& fileNameDst); | 63 bool»   »       FX_File_Copy(const CFX_WideStringC& fileNameSrc, const CFX_WideS
     tringC& fileNameDst); | 
| 64 FX_BOOL»»       FX_File_Move(const CFX_ByteStringC& fileNameSrc, const CFX_ByteS
     tringC& fileNameDst); | 64 bool»   »       FX_File_Move(const CFX_ByteStringC& fileNameSrc, const CFX_ByteS
     tringC& fileNameDst); | 
| 65 FX_BOOL»»       FX_File_Move(const CFX_WideStringC& fileNameSrc, const CFX_WideS
     tringC& fileNameDst); | 65 bool»   »       FX_File_Move(const CFX_WideStringC& fileNameSrc, const CFX_WideS
     tringC& fileNameDst); | 
| 66 class IFX_StreamWrite | 66 class IFX_StreamWrite | 
| 67 { | 67 { | 
| 68 public: | 68 public: | 
| 69     virtual ~IFX_StreamWrite() { } | 69     virtual ~IFX_StreamWrite() { } | 
| 70     virtual void                Release() = 0; | 70     virtual void                Release() = 0; | 
| 71 | 71 | 
| 72     virtual»    FX_BOOL»»       WriteBlock(const void* pData, size_t size) = 0; | 72     virtual»    bool»   »       WriteBlock(const void* pData, size_t size) = 0; | 
| 73 }; | 73 }; | 
| 74 class IFX_FileWrite : public IFX_StreamWrite | 74 class IFX_FileWrite : public IFX_StreamWrite | 
| 75 { | 75 { | 
| 76 public: | 76 public: | 
| 77 | 77 | 
| 78     virtual void                        Release() = 0; | 78     virtual void                        Release() = 0; | 
| 79 | 79 | 
| 80     virtual FX_FILESIZE         GetSize() = 0; | 80     virtual FX_FILESIZE         GetSize() = 0; | 
| 81 | 81 | 
| 82     virtual FX_BOOL»    »       »       Flush() = 0; | 82     virtual bool»       »       »       Flush() = 0; | 
| 83 | 83 | 
| 84     virtual»    FX_BOOL»»       »       WriteBlock(const void* pData, FX_FILESIZ
     E offset, size_t size) = 0; | 84     virtual»    bool»   »       »       WriteBlock(const void* pData, FX_FILESIZ
     E offset, size_t size) = 0; | 
| 85     virtual»    FX_BOOL»»       »       WriteBlock(const void* pData, size_t siz
     e) | 85     virtual»    bool»   »       »       WriteBlock(const void* pData, size_t siz
     e) | 
| 86     { | 86     { | 
| 87         return WriteBlock(pData, GetSize(), size); | 87         return WriteBlock(pData, GetSize(), size); | 
| 88     } | 88     } | 
| 89 }; | 89 }; | 
| 90 IFX_FileWrite* FX_CreateFileWrite(const FX_CHAR* filename); | 90 IFX_FileWrite* FX_CreateFileWrite(const FX_CHAR* filename); | 
| 91 IFX_FileWrite* FX_CreateFileWrite(const FX_WCHAR* filename); | 91 IFX_FileWrite* FX_CreateFileWrite(const FX_WCHAR* filename); | 
| 92 class IFX_StreamRead | 92 class IFX_StreamRead | 
| 93 { | 93 { | 
| 94 public: | 94 public: | 
| 95     virtual ~IFX_StreamRead() { } | 95     virtual ~IFX_StreamRead() { } | 
| 96 | 96 | 
| 97     virtual void                        Release() = 0; | 97     virtual void                        Release() = 0; | 
| 98 | 98 | 
| 99     virtual FX_BOOL»    »       »       IsEOF() = 0; | 99     virtual bool»       »       »       IsEOF() = 0; | 
| 100 | 100 | 
| 101     virtual FX_FILESIZE         GetPosition() = 0; | 101     virtual FX_FILESIZE         GetPosition() = 0; | 
| 102 | 102 | 
| 103     virtual size_t                      ReadBlock(void* buffer, size_t size) = 0
     ; | 103     virtual size_t                      ReadBlock(void* buffer, size_t size) = 0
     ; | 
| 104 }; | 104 }; | 
| 105 class IFX_FileRead : IFX_StreamRead | 105 class IFX_FileRead : IFX_StreamRead | 
| 106 { | 106 { | 
| 107 public: | 107 public: | 
| 108     virtual void                        Release() = 0; | 108     virtual void                        Release() = 0; | 
| 109 | 109 | 
| 110     virtual FX_FILESIZE         GetSize() = 0; | 110     virtual FX_FILESIZE         GetSize() = 0; | 
| 111 | 111 | 
| 112     virtual FX_BOOL»    »       »       IsEOF() | 112     virtual bool»       »       »       IsEOF() | 
| 113     { | 113     { | 
| 114         return FALSE; | 114         return false; | 
| 115     } | 115     } | 
| 116 | 116 | 
| 117     virtual FX_FILESIZE         GetPosition() | 117     virtual FX_FILESIZE         GetPosition() | 
| 118     { | 118     { | 
| 119         return 0; | 119         return 0; | 
| 120     } | 120     } | 
| 121 | 121 | 
| 122     virtual FX_BOOL»    »       »       SetRange(FX_FILESIZE offset, FX_FILESIZE
      size) | 122     virtual bool»       »       »       SetRange(FX_FILESIZE offset, FX_FILESIZE
      size) | 
| 123     { | 123     { | 
| 124         return FALSE; | 124         return false; | 
| 125     } | 125     } | 
| 126 | 126 | 
| 127     virtual void                        ClearRange() {} | 127     virtual void                        ClearRange() {} | 
| 128 | 128 | 
| 129     virtual FX_BOOL»    »       »       ReadBlock(void* buffer, FX_FILESIZE offs
     et, size_t size) = 0; | 129     virtual bool»       »       »       ReadBlock(void* buffer, FX_FILESIZE offs
     et, size_t size) = 0; | 
| 130 | 130 | 
| 131     virtual size_t                      ReadBlock(void* buffer, size_t size) | 131     virtual size_t                      ReadBlock(void* buffer, size_t size) | 
| 132     { | 132     { | 
| 133         return 0; | 133         return 0; | 
| 134     } | 134     } | 
| 135 }; | 135 }; | 
| 136 IFX_FileRead* FX_CreateFileRead(const FX_CHAR* filename); | 136 IFX_FileRead* FX_CreateFileRead(const FX_CHAR* filename); | 
| 137 IFX_FileRead* FX_CreateFileRead(const FX_WCHAR* filename); | 137 IFX_FileRead* FX_CreateFileRead(const FX_WCHAR* filename); | 
| 138 class IFX_FileStream : public IFX_FileRead, public IFX_FileWrite | 138 class IFX_FileStream : public IFX_FileRead, public IFX_FileWrite | 
| 139 { | 139 { | 
| 140 public: | 140 public: | 
| 141 | 141 | 
| 142     virtual IFX_FileStream*             Retain() = 0; | 142     virtual IFX_FileStream*             Retain() = 0; | 
| 143 | 143 | 
| 144     virtual void                                Release() = 0; | 144     virtual void                                Release() = 0; | 
| 145 | 145 | 
| 146     virtual FX_FILESIZE                 GetSize() = 0; | 146     virtual FX_FILESIZE                 GetSize() = 0; | 
| 147 | 147 | 
| 148     virtual FX_BOOL»    »       »       »       IsEOF() = 0; | 148     virtual bool»       »       »       »       IsEOF() = 0; | 
| 149 | 149 | 
| 150     virtual FX_FILESIZE                 GetPosition() = 0; | 150     virtual FX_FILESIZE                 GetPosition() = 0; | 
| 151 | 151 | 
| 152     virtual FX_BOOL»    »       »       »       ReadBlock(void* buffer, FX_FILES
     IZE offset, size_t size) = 0; | 152     virtual bool»       »       »       »       ReadBlock(void* buffer, FX_FILES
     IZE offset, size_t size) = 0; | 
| 153 | 153 | 
| 154     virtual size_t                              ReadBlock(void* buffer, size_t s
     ize) = 0; | 154     virtual size_t                              ReadBlock(void* buffer, size_t s
     ize) = 0; | 
| 155 | 155 | 
| 156     virtual»    FX_BOOL»»       »       »       WriteBlock(const void* buffer, F
     X_FILESIZE offset, size_t size) = 0; | 156     virtual»    bool»   »       »       »       WriteBlock(const void* buffer, F
     X_FILESIZE offset, size_t size) = 0; | 
| 157     virtual»    FX_BOOL»»       »       »       WriteBlock(const void* buffer, s
     ize_t size) | 157     virtual»    bool»   »       »       »       WriteBlock(const void* buffer, s
     ize_t size) | 
| 158     { | 158     { | 
| 159         return WriteBlock(buffer, GetSize(), size); | 159         return WriteBlock(buffer, GetSize(), size); | 
| 160     } | 160     } | 
| 161 | 161 | 
| 162     virtual FX_BOOL»    »       »       »       Flush() = 0; | 162     virtual bool»       »       »       »       Flush() = 0; | 
| 163 }; | 163 }; | 
| 164 IFX_FileStream*         FX_CreateFileStream(const FX_CHAR* filename, FX_DWORD dw
     Modes); | 164 IFX_FileStream*         FX_CreateFileStream(const FX_CHAR* filename, FX_DWORD dw
     Modes); | 
| 165 IFX_FileStream*         FX_CreateFileStream(const FX_WCHAR* filename, FX_DWORD d
     wModes); | 165 IFX_FileStream*         FX_CreateFileStream(const FX_WCHAR* filename, FX_DWORD d
     wModes); | 
| 166 class IFX_MemoryStream : public IFX_FileStream | 166 class IFX_MemoryStream : public IFX_FileStream | 
| 167 { | 167 { | 
| 168 public: | 168 public: | 
| 169 | 169 | 
| 170     virtual FX_BOOL»    »       »       IsConsecutive() const = 0; | 170     virtual bool»       »       »       IsConsecutive() const = 0; | 
| 171 | 171 | 
| 172     virtual void                        EstimateSize(size_t nInitSize, size_t nG
     rowSize) = 0; | 172     virtual void                        EstimateSize(size_t nInitSize, size_t nG
     rowSize) = 0; | 
| 173 | 173 | 
| 174     virtual uint8_t*            GetBuffer() const = 0; | 174     virtual uint8_t*            GetBuffer() const = 0; | 
| 175 | 175 | 
| 176     virtual void»       »       »       AttachBuffer(uint8_t* pBuffer, size_t nS
     ize, FX_BOOL bTakeOver = FALSE) = 0; | 176     virtual void»       »       »       AttachBuffer(uint8_t* pBuffer, size_t nS
     ize, bool bTakeOver = false) = 0; | 
| 177 | 177 | 
| 178     virtual void                        DetachBuffer() = 0; | 178     virtual void                        DetachBuffer() = 0; | 
| 179 }; | 179 }; | 
| 180 IFX_MemoryStream*»      FX_CreateMemoryStream(uint8_t* pBuffer, size_t nSize, FX
     _BOOL bTakeOver = FALSE); | 180 IFX_MemoryStream*»      FX_CreateMemoryStream(uint8_t* pBuffer, size_t nSize, bo
     ol bTakeOver = false); | 
| 181 IFX_MemoryStream*»      FX_CreateMemoryStream(FX_BOOL bConsecutive = FALSE); | 181 IFX_MemoryStream*»      FX_CreateMemoryStream(bool bConsecutive = false); | 
| 182 class IFX_BufferRead : public IFX_StreamRead | 182 class IFX_BufferRead : public IFX_StreamRead | 
| 183 { | 183 { | 
| 184 public: | 184 public: | 
| 185 | 185 | 
| 186     virtual void                        Release() = 0; | 186     virtual void                        Release() = 0; | 
| 187 | 187 | 
| 188     virtual FX_BOOL»    »       »       IsEOF() = 0; | 188     virtual bool»       »       »       IsEOF() = 0; | 
| 189 | 189 | 
| 190     virtual FX_FILESIZE         GetPosition() = 0; | 190     virtual FX_FILESIZE         GetPosition() = 0; | 
| 191 | 191 | 
| 192     virtual size_t                      ReadBlock(void* buffer, size_t size) = 0
     ; | 192     virtual size_t                      ReadBlock(void* buffer, size_t size) = 0
     ; | 
| 193 | 193 | 
| 194     virtual FX_BOOL»    »       »       ReadNextBlock(FX_BOOL bRestart = FALSE) 
     = 0; | 194     virtual bool»       »       »       ReadNextBlock(bool bRestart = false) = 0
     ; | 
| 195 | 195 | 
| 196     virtual const uint8_t*              GetBlockBuffer() = 0; | 196     virtual const uint8_t*              GetBlockBuffer() = 0; | 
| 197 | 197 | 
| 198     virtual size_t                      GetBlockSize() = 0; | 198     virtual size_t                      GetBlockSize() = 0; | 
| 199 | 199 | 
| 200     virtual FX_FILESIZE         GetBlockOffset() = 0; | 200     virtual FX_FILESIZE         GetBlockOffset() = 0; | 
| 201 }; | 201 }; | 
| 202 | 202 | 
| 203 #endif  // CORE_INCLUDE_FXCRT_FX_STREAM_H_ | 203 #endif  // CORE_INCLUDE_FXCRT_FX_STREAM_H_ | 
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