| // Windows/FileIO.h |
| |
| #ifndef __WINDOWS_FILEIO_H |
| #define __WINDOWS_FILEIO_H |
| |
| #include <Common/MyString.h> |
| |
| #ifndef _WIN32 |
| |
| #define FILE_SHARE_READ 1 |
| #define FILE_SHARE_WRITE 2 |
| |
| #define FILE_BEGIN SEEK_SET |
| #define FILE_CURRENT SEEK_CUR |
| #define FILE_END SEEK_END |
| #define INVALID_SET_FILE_POINTER ((DWORD)-1) |
| |
| #define CREATE_NEW 1 |
| #define CREATE_ALWAYS 2 |
| #define OPEN_EXISTING 3 |
| #define OPEN_ALWAYS 4 |
| /* #define TRUNCATE_EXISTING 5 */ |
| |
| #endif |
| |
| namespace NWindows { |
| namespace NFile { |
| namespace NIO { |
| |
| |
| class CFileBase |
| { |
| protected: |
| int _fd; |
| AString _unix_filename; |
| time_t _lastAccessTime; |
| time_t _lastWriteTime; |
| #ifdef ENV_HAVE_LSTAT |
| int _size; |
| char _buffer[MAX_PATHNAME_LEN+1]; |
| int _offset; |
| #endif |
| |
| bool Create(LPCSTR fileName, DWORD desiredAccess, |
| DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes,bool ignoreSymbolicLink=false); |
| bool Create(LPCWSTR fileName, DWORD desiredAccess, |
| DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes,bool ignoreSymbolicLink=false); |
| |
| public: |
| CFileBase(): _fd(-1) {}; |
| virtual ~CFileBase(); |
| |
| virtual bool Close(); |
| |
| bool GetLength(UINT64 &length) const; |
| |
| bool Seek(INT64 distanceToMove, DWORD moveMethod, UINT64 &newPosition); |
| bool Seek(UINT64 position, UINT64 &newPosition); |
| }; |
| |
| class CInFile: public CFileBase |
| { |
| public: |
| bool Open(LPCTSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); |
| bool OpenShared(LPCTSTR fileName, bool /* shareForWrite */ ,bool ignoreSymbolicLink=false) { |
| return Open(fileName,ignoreSymbolicLink); |
| } |
| bool Open(LPCTSTR fileName,bool ignoreSymbolicLink=false); |
| #ifndef _UNICODE |
| bool Open(LPCWSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); |
| bool OpenShared(LPCWSTR fileName, bool /* shareForWrite */ ,bool ignoreSymbolicLink=false) { |
| return Open(fileName,ignoreSymbolicLink); |
| } |
| bool Open(LPCWSTR fileName,bool ignoreSymbolicLink=false); |
| #endif |
| bool ReadPart(void *data, UINT32 size, UINT32 &processedSize); |
| bool Read(void *data, UINT32 size, UINT32 &processedSize); |
| }; |
| |
| class COutFile: public CFileBase |
| { |
| public: |
| bool Open(LPCTSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); |
| bool Open(LPCTSTR fileName, DWORD creationDisposition); |
| bool Create(LPCTSTR fileName, bool createAlways); |
| |
| #ifndef _UNICODE |
| bool Open(LPCWSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); |
| bool Open(LPCWSTR fileName, DWORD creationDisposition); |
| bool Create(LPCWSTR fileName, bool createAlways); |
| #endif |
| |
| /* |
| void SetOpenCreationDisposition(DWORD creationDisposition) |
| { m_CreationDisposition = creationDisposition; } |
| void SetOpenCreationDispositionCreateAlways() |
| { m_CreationDisposition = CREATE_ALWAYS; } |
| */ |
| |
| bool SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime); |
| bool SetMTime(const FILETIME *mTime); |
| bool WritePart(const void *data, UINT32 size, UINT32 &processedSize); |
| bool Write(const void *data, UINT32 size, UINT32 &processedSize); |
| bool SetEndOfFile(); |
| bool SetLength(UINT64 length); |
| }; |
| |
| }}} |
| |
| #endif |