diff options
Diffstat (limited to 'xfa/src/fgas/src/crt/fx_stream.h')
-rw-r--r-- | xfa/src/fgas/src/crt/fx_stream.h | 622 |
1 files changed, 311 insertions, 311 deletions
diff --git a/xfa/src/fgas/src/crt/fx_stream.h b/xfa/src/fgas/src/crt/fx_stream.h index 2eef6e8ee8..122cda1e39 100644 --- a/xfa/src/fgas/src/crt/fx_stream.h +++ b/xfa/src/fgas/src/crt/fx_stream.h @@ -1,311 +1,311 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _FX_STREAM_IMP
-#define _FX_STREAM_IMP
-class CFX_StreamImp;
-class CFX_FileStreamImp;
-class CFX_BufferStreamImp;
-class CFX_FileReadStreamImp;
-class CFX_BufferReadStreamImp;
-class CFX_FileWriteStreamImp;
-class CFX_Stream;
-class CFX_TextStream;
-class CFX_FileRead;
-class CFX_FileWrite;
-class CFX_BufferAccImp;
-class CFX_StreamImp : public CFX_ThreadLock {
- public:
- virtual void Release() { delete this; }
- virtual FX_DWORD GetAccessModes() const { return m_dwAccess; }
- virtual int32_t GetLength() const = 0;
- virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) = 0;
- virtual int32_t GetPosition() = 0;
- virtual FX_BOOL IsEOF() const = 0;
- virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) = 0;
- virtual int32_t ReadString(FX_WCHAR* pStr,
- int32_t iMaxLength,
- FX_BOOL& bEOS) = 0;
- virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) = 0;
- virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) = 0;
- virtual void Flush() = 0;
- virtual FX_BOOL SetLength(int32_t iLength) = 0;
-
- protected:
- CFX_StreamImp();
- virtual ~CFX_StreamImp() {}
- FX_DWORD m_dwAccess;
-};
-class CFX_FileStreamImp : public CFX_StreamImp {
- public:
- CFX_FileStreamImp();
- virtual ~CFX_FileStreamImp();
- FX_BOOL LoadFile(const FX_WCHAR* pszSrcFileName, FX_DWORD dwAccess);
- virtual int32_t GetLength() const;
- virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset);
- virtual int32_t GetPosition();
- virtual FX_BOOL IsEOF() const;
- virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS);
- virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength);
- virtual void Flush();
- virtual FX_BOOL SetLength(int32_t iLength);
-
- protected:
- FXSYS_FILE* m_hFile;
- int32_t m_iLength;
-};
-class CFX_BufferStreamImp : public CFX_StreamImp {
- public:
- CFX_BufferStreamImp();
- virtual ~CFX_BufferStreamImp() {}
- FX_BOOL LoadBuffer(uint8_t* pData, int32_t iTotalSize, FX_DWORD dwAccess);
- virtual int32_t GetLength() const;
- virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset);
- virtual int32_t GetPosition();
- virtual FX_BOOL IsEOF() const;
- virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS);
- virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength);
- virtual void Flush() {}
- virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; }
-
- protected:
- uint8_t* m_pData;
- int32_t m_iTotalSize;
- int32_t m_iPosition;
- int32_t m_iLength;
-};
-class CFX_FileReadStreamImp : public CFX_StreamImp {
- public:
- CFX_FileReadStreamImp();
- virtual ~CFX_FileReadStreamImp() {}
- FX_BOOL LoadFileRead(IFX_FileRead* pFileRead, FX_DWORD dwAccess);
- virtual int32_t GetLength() const;
- virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset);
- virtual int32_t GetPosition() { return m_iPosition; }
- virtual FX_BOOL IsEOF() const;
-
- virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS);
- virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) {
- return 0;
- }
- virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) {
- return 0;
- }
- virtual void Flush() {}
- virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; }
-
- protected:
- IFX_FileRead* m_pFileRead;
- int32_t m_iPosition;
- int32_t m_iLength;
-};
-class CFX_BufferReadStreamImp : public CFX_StreamImp {
- public:
- CFX_BufferReadStreamImp();
- ~CFX_BufferReadStreamImp();
- FX_BOOL LoadBufferRead(IFX_BufferRead* pBufferRead,
- int32_t iFileSize,
- FX_DWORD dwAccess,
- FX_BOOL bReleaseBufferRead);
-
- virtual int32_t GetLength() const;
- virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset);
- virtual int32_t GetPosition() { return m_iPosition; }
- virtual FX_BOOL IsEOF() const;
-
- virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS);
- virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) {
- return 0;
- }
- virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) {
- return 0;
- }
- virtual void Flush() {}
- virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; }
-
- private:
- IFX_BufferRead* m_pBufferRead;
- FX_BOOL m_bReleaseBufferRead;
- int32_t m_iPosition;
- int32_t m_iBufferSize;
-};
-class CFX_FileWriteStreamImp : public CFX_StreamImp {
- public:
- CFX_FileWriteStreamImp();
- virtual ~CFX_FileWriteStreamImp() {}
- FX_BOOL LoadFileWrite(IFX_FileWrite* pFileWrite, FX_DWORD dwAccess);
- virtual int32_t GetLength() const;
- virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset);
- virtual int32_t GetPosition() { return m_iPosition; }
- virtual FX_BOOL IsEOF() const;
- virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) { return 0; }
- virtual int32_t ReadString(FX_WCHAR* pStr,
- int32_t iMaxLength,
- FX_BOOL& bEOS) {
- return 0;
- }
- virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength);
- virtual void Flush();
- virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; }
-
- protected:
- IFX_FileWrite* m_pFileWrite;
- int32_t m_iPosition;
-};
-enum FX_STREAMTYPE {
- FX_SREAMTYPE_Unknown = 0,
- FX_STREAMTYPE_File,
- FX_STREAMTYPE_Buffer,
- FX_STREAMTYPE_Stream,
- FX_STREAMTYPE_BufferRead,
-};
-class CFX_Stream : public IFX_Stream, public CFX_ThreadLock {
- public:
- CFX_Stream();
- ~CFX_Stream();
- FX_BOOL LoadFile(const FX_WCHAR* pszSrcFileName, FX_DWORD dwAccess);
- FX_BOOL LoadBuffer(uint8_t* pData, int32_t iTotalSize, FX_DWORD dwAccess);
- FX_BOOL LoadFileRead(IFX_FileRead* pFileRead, FX_DWORD dwAccess);
- FX_BOOL LoadFileWrite(IFX_FileWrite* pFileWrite, FX_DWORD dwAccess);
- FX_BOOL LoadBufferRead(IFX_BufferRead* pBufferRead,
- int32_t iFileSize,
- FX_DWORD dwAccess,
- FX_BOOL bReleaseBufferRead);
- virtual void Release();
- virtual IFX_Stream* Retain();
- virtual FX_DWORD GetAccessModes() const { return m_dwAccess; }
- virtual int32_t GetLength() const;
- virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset);
- virtual int32_t GetPosition();
- virtual FX_BOOL IsEOF() const;
- virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t ReadString(FX_WCHAR* pStr,
- int32_t iMaxLength,
- FX_BOOL& bEOS,
- int32_t const* pByteSize = NULL);
- virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength);
- virtual void Flush();
- virtual FX_BOOL SetLength(int32_t iLength);
- virtual int32_t GetBOM(uint8_t bom[4]) const;
- virtual FX_WORD GetCodePage() const;
- virtual FX_WORD SetCodePage(FX_WORD wCodePage);
- virtual void Lock() { CFX_ThreadLock::Lock(); }
- virtual void Unlock() { CFX_ThreadLock::Unlock(); }
- virtual IFX_Stream* CreateSharedStream(FX_DWORD dwAccess,
- int32_t iOffset,
- int32_t iLength);
-
- protected:
- FX_STREAMTYPE m_eStreamType;
- CFX_StreamImp* m_pStreamImp;
- FX_DWORD m_dwAccess;
- int32_t m_iTotalSize;
- int32_t m_iPosition;
- int32_t m_iStart;
- int32_t m_iLength;
- int32_t m_iRefCount;
-};
-class CFX_TextStream : public IFX_Stream, public CFX_ThreadLock {
- public:
- CFX_TextStream(IFX_Stream* pStream, FX_BOOL bDelStream);
- ~CFX_TextStream();
- virtual void Release();
- virtual IFX_Stream* Retain();
-
- virtual FX_DWORD GetAccessModes() const;
- virtual int32_t GetLength() const;
- virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset);
- virtual int32_t GetPosition();
- virtual FX_BOOL IsEOF() const;
-
- virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t ReadString(FX_WCHAR* pStr,
- int32_t iMaxLength,
- FX_BOOL& bEOS,
- int32_t const* pByteSize = NULL);
- virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize);
- virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength);
- virtual void Flush();
- virtual FX_BOOL SetLength(int32_t iLength);
-
- virtual int32_t GetBOM(uint8_t bom[4]) const;
- virtual FX_WORD GetCodePage() const;
- virtual FX_WORD SetCodePage(FX_WORD wCodePage);
-
- virtual void Lock() { CFX_ThreadLock::Lock(); }
- virtual void Unlock() { CFX_ThreadLock::Unlock(); }
-
- virtual IFX_Stream* CreateSharedStream(FX_DWORD dwAccess,
- int32_t iOffset,
- int32_t iLength);
-
- protected:
- FX_WORD m_wCodePage;
- int32_t m_wBOMLength;
- FX_DWORD m_dwBOM;
- uint8_t* m_pBuf;
- int32_t m_iBufSize;
- FX_BOOL m_bDelStream;
- IFX_Stream* m_pStreamImp;
- int32_t m_iRefCount;
- void InitStream();
-};
-
-class CFGAS_FileRead : public IFX_FileRead {
- public:
- CFGAS_FileRead(IFX_Stream* pStream, FX_BOOL bReleaseStream);
- virtual ~CFGAS_FileRead();
- virtual void Release() { delete this; }
- virtual FX_FILESIZE GetSize();
- virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size);
-
- protected:
- FX_BOOL m_bReleaseStream;
- IFX_Stream* m_pStream;
-};
-
-class CFX_BufferAccImp : public IFX_FileRead {
- public:
- CFX_BufferAccImp(IFX_BufferRead* pBufferRead,
- FX_FILESIZE iFileSize,
- FX_BOOL bReleaseStream);
- virtual ~CFX_BufferAccImp();
- virtual void Release() { delete this; }
- virtual FX_FILESIZE GetSize();
- virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size);
-
- protected:
- IFX_BufferRead* m_pBufferRead;
- FX_BOOL m_bReleaseStream;
- FX_FILESIZE m_iBufSize;
-};
-
-class CFGAS_FileWrite : public IFX_FileWrite {
- public:
- CFGAS_FileWrite(IFX_Stream* pStream, FX_BOOL bReleaseStream);
- virtual ~CFGAS_FileWrite();
- virtual void Release() { delete this; }
- virtual FX_FILESIZE GetSize();
- virtual FX_BOOL Flush();
- virtual FX_BOOL WriteBlock(const void* pData, size_t size);
- virtual FX_BOOL WriteBlock(const void* pData,
- FX_FILESIZE offset,
- size_t size);
-
- protected:
- IFX_Stream* m_pStream;
- FX_BOOL m_bReleaseStream;
-};
-
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _FX_STREAM_IMP +#define _FX_STREAM_IMP +class CFX_StreamImp; +class CFX_FileStreamImp; +class CFX_BufferStreamImp; +class CFX_FileReadStreamImp; +class CFX_BufferReadStreamImp; +class CFX_FileWriteStreamImp; +class CFX_Stream; +class CFX_TextStream; +class CFX_FileRead; +class CFX_FileWrite; +class CFX_BufferAccImp; +class CFX_StreamImp : public CFX_ThreadLock { + public: + virtual void Release() { delete this; } + virtual FX_DWORD GetAccessModes() const { return m_dwAccess; } + virtual int32_t GetLength() const = 0; + virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) = 0; + virtual int32_t GetPosition() = 0; + virtual FX_BOOL IsEOF() const = 0; + virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) = 0; + virtual int32_t ReadString(FX_WCHAR* pStr, + int32_t iMaxLength, + FX_BOOL& bEOS) = 0; + virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) = 0; + virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) = 0; + virtual void Flush() = 0; + virtual FX_BOOL SetLength(int32_t iLength) = 0; + + protected: + CFX_StreamImp(); + virtual ~CFX_StreamImp() {} + FX_DWORD m_dwAccess; +}; +class CFX_FileStreamImp : public CFX_StreamImp { + public: + CFX_FileStreamImp(); + virtual ~CFX_FileStreamImp(); + FX_BOOL LoadFile(const FX_WCHAR* pszSrcFileName, FX_DWORD dwAccess); + virtual int32_t GetLength() const; + virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); + virtual int32_t GetPosition(); + virtual FX_BOOL IsEOF() const; + virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS); + virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength); + virtual void Flush(); + virtual FX_BOOL SetLength(int32_t iLength); + + protected: + FXSYS_FILE* m_hFile; + int32_t m_iLength; +}; +class CFX_BufferStreamImp : public CFX_StreamImp { + public: + CFX_BufferStreamImp(); + virtual ~CFX_BufferStreamImp() {} + FX_BOOL LoadBuffer(uint8_t* pData, int32_t iTotalSize, FX_DWORD dwAccess); + virtual int32_t GetLength() const; + virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); + virtual int32_t GetPosition(); + virtual FX_BOOL IsEOF() const; + virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS); + virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength); + virtual void Flush() {} + virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; } + + protected: + uint8_t* m_pData; + int32_t m_iTotalSize; + int32_t m_iPosition; + int32_t m_iLength; +}; +class CFX_FileReadStreamImp : public CFX_StreamImp { + public: + CFX_FileReadStreamImp(); + virtual ~CFX_FileReadStreamImp() {} + FX_BOOL LoadFileRead(IFX_FileRead* pFileRead, FX_DWORD dwAccess); + virtual int32_t GetLength() const; + virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); + virtual int32_t GetPosition() { return m_iPosition; } + virtual FX_BOOL IsEOF() const; + + virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS); + virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) { + return 0; + } + virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) { + return 0; + } + virtual void Flush() {} + virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; } + + protected: + IFX_FileRead* m_pFileRead; + int32_t m_iPosition; + int32_t m_iLength; +}; +class CFX_BufferReadStreamImp : public CFX_StreamImp { + public: + CFX_BufferReadStreamImp(); + ~CFX_BufferReadStreamImp(); + FX_BOOL LoadBufferRead(IFX_BufferRead* pBufferRead, + int32_t iFileSize, + FX_DWORD dwAccess, + FX_BOOL bReleaseBufferRead); + + virtual int32_t GetLength() const; + virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); + virtual int32_t GetPosition() { return m_iPosition; } + virtual FX_BOOL IsEOF() const; + + virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS); + virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) { + return 0; + } + virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) { + return 0; + } + virtual void Flush() {} + virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; } + + private: + IFX_BufferRead* m_pBufferRead; + FX_BOOL m_bReleaseBufferRead; + int32_t m_iPosition; + int32_t m_iBufferSize; +}; +class CFX_FileWriteStreamImp : public CFX_StreamImp { + public: + CFX_FileWriteStreamImp(); + virtual ~CFX_FileWriteStreamImp() {} + FX_BOOL LoadFileWrite(IFX_FileWrite* pFileWrite, FX_DWORD dwAccess); + virtual int32_t GetLength() const; + virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); + virtual int32_t GetPosition() { return m_iPosition; } + virtual FX_BOOL IsEOF() const; + virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) { return 0; } + virtual int32_t ReadString(FX_WCHAR* pStr, + int32_t iMaxLength, + FX_BOOL& bEOS) { + return 0; + } + virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength); + virtual void Flush(); + virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; } + + protected: + IFX_FileWrite* m_pFileWrite; + int32_t m_iPosition; +}; +enum FX_STREAMTYPE { + FX_SREAMTYPE_Unknown = 0, + FX_STREAMTYPE_File, + FX_STREAMTYPE_Buffer, + FX_STREAMTYPE_Stream, + FX_STREAMTYPE_BufferRead, +}; +class CFX_Stream : public IFX_Stream, public CFX_ThreadLock { + public: + CFX_Stream(); + ~CFX_Stream(); + FX_BOOL LoadFile(const FX_WCHAR* pszSrcFileName, FX_DWORD dwAccess); + FX_BOOL LoadBuffer(uint8_t* pData, int32_t iTotalSize, FX_DWORD dwAccess); + FX_BOOL LoadFileRead(IFX_FileRead* pFileRead, FX_DWORD dwAccess); + FX_BOOL LoadFileWrite(IFX_FileWrite* pFileWrite, FX_DWORD dwAccess); + FX_BOOL LoadBufferRead(IFX_BufferRead* pBufferRead, + int32_t iFileSize, + FX_DWORD dwAccess, + FX_BOOL bReleaseBufferRead); + virtual void Release(); + virtual IFX_Stream* Retain(); + virtual FX_DWORD GetAccessModes() const { return m_dwAccess; } + virtual int32_t GetLength() const; + virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); + virtual int32_t GetPosition(); + virtual FX_BOOL IsEOF() const; + virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t ReadString(FX_WCHAR* pStr, + int32_t iMaxLength, + FX_BOOL& bEOS, + int32_t const* pByteSize = NULL); + virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength); + virtual void Flush(); + virtual FX_BOOL SetLength(int32_t iLength); + virtual int32_t GetBOM(uint8_t bom[4]) const; + virtual FX_WORD GetCodePage() const; + virtual FX_WORD SetCodePage(FX_WORD wCodePage); + virtual void Lock() { CFX_ThreadLock::Lock(); } + virtual void Unlock() { CFX_ThreadLock::Unlock(); } + virtual IFX_Stream* CreateSharedStream(FX_DWORD dwAccess, + int32_t iOffset, + int32_t iLength); + + protected: + FX_STREAMTYPE m_eStreamType; + CFX_StreamImp* m_pStreamImp; + FX_DWORD m_dwAccess; + int32_t m_iTotalSize; + int32_t m_iPosition; + int32_t m_iStart; + int32_t m_iLength; + int32_t m_iRefCount; +}; +class CFX_TextStream : public IFX_Stream, public CFX_ThreadLock { + public: + CFX_TextStream(IFX_Stream* pStream, FX_BOOL bDelStream); + ~CFX_TextStream(); + virtual void Release(); + virtual IFX_Stream* Retain(); + + virtual FX_DWORD GetAccessModes() const; + virtual int32_t GetLength() const; + virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); + virtual int32_t GetPosition(); + virtual FX_BOOL IsEOF() const; + + virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t ReadString(FX_WCHAR* pStr, + int32_t iMaxLength, + FX_BOOL& bEOS, + int32_t const* pByteSize = NULL); + virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize); + virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength); + virtual void Flush(); + virtual FX_BOOL SetLength(int32_t iLength); + + virtual int32_t GetBOM(uint8_t bom[4]) const; + virtual FX_WORD GetCodePage() const; + virtual FX_WORD SetCodePage(FX_WORD wCodePage); + + virtual void Lock() { CFX_ThreadLock::Lock(); } + virtual void Unlock() { CFX_ThreadLock::Unlock(); } + + virtual IFX_Stream* CreateSharedStream(FX_DWORD dwAccess, + int32_t iOffset, + int32_t iLength); + + protected: + FX_WORD m_wCodePage; + int32_t m_wBOMLength; + FX_DWORD m_dwBOM; + uint8_t* m_pBuf; + int32_t m_iBufSize; + FX_BOOL m_bDelStream; + IFX_Stream* m_pStreamImp; + int32_t m_iRefCount; + void InitStream(); +}; + +class CFGAS_FileRead : public IFX_FileRead { + public: + CFGAS_FileRead(IFX_Stream* pStream, FX_BOOL bReleaseStream); + virtual ~CFGAS_FileRead(); + virtual void Release() { delete this; } + virtual FX_FILESIZE GetSize(); + virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size); + + protected: + FX_BOOL m_bReleaseStream; + IFX_Stream* m_pStream; +}; + +class CFX_BufferAccImp : public IFX_FileRead { + public: + CFX_BufferAccImp(IFX_BufferRead* pBufferRead, + FX_FILESIZE iFileSize, + FX_BOOL bReleaseStream); + virtual ~CFX_BufferAccImp(); + virtual void Release() { delete this; } + virtual FX_FILESIZE GetSize(); + virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size); + + protected: + IFX_BufferRead* m_pBufferRead; + FX_BOOL m_bReleaseStream; + FX_FILESIZE m_iBufSize; +}; + +class CFGAS_FileWrite : public IFX_FileWrite { + public: + CFGAS_FileWrite(IFX_Stream* pStream, FX_BOOL bReleaseStream); + virtual ~CFGAS_FileWrite(); + virtual void Release() { delete this; } + virtual FX_FILESIZE GetSize(); + virtual FX_BOOL Flush(); + virtual FX_BOOL WriteBlock(const void* pData, size_t size); + virtual FX_BOOL WriteBlock(const void* pData, + FX_FILESIZE offset, + size_t size); + + protected: + IFX_Stream* m_pStream; + FX_BOOL m_bReleaseStream; +}; + +#endif |