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// 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
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