3bfa549e8b
- using std::string; - using std::wstring; - using std::ostream; - using std::istream; - using std::iostream; - using std::ostrstream; - using std::istrstream; - using std::fstream;
83 lines
2 KiB
C++
83 lines
2 KiB
C++
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#ifndef TFILE_H
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#define TFILE_H
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#include "tcommon.h"
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#include <windows.h>
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#include "tfilepath.h"
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namespace TFileConsts
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{
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enum SeekMode {
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seekStart = 0,
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seekCur,
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seekEnd
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};
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enum eFlags {
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kRead = 0x00000001,
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kWrite = 0x00000002,
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kReadWrite = kRead | kWrite,
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kDenyNone = 0x00000000,
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kDenyRead = 0x00000010,
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kDenyWrite = 0x00000020,
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kDenyAll = kDenyRead | kDenyWrite,
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kOpenExisting = 0x00000100,
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kOpenAlways = 0x00000200,
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kCreateAlways = 0x00000300,
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kCreateNew = 0x00000400,
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kTruncateExisting = 0x00000500, // not particularly useful, really
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kCreationMask = 0x0000FF00,
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kSequential = 0x00010000,
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kRandomAccess = 0x00020000,
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kUnbuffered = 0x00040000, // much faster on Win32 thanks to the crappy cache, but possibly bad in Unix?
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kWriteThrough = 0x00080000,
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kAllFileFlags = 0xFFFFFFFF
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};
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};
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typedef __int32 uint32;
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class TFile
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{
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HANDLE m_hFile;
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TINT64 m_FilePosition;
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public:
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TFile() {}
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TFile(const TFilePath &fname, uint32 flags = TFileConsts::kRead | TFileConsts::kDenyWrite | TFileConsts::kOpenExisting);
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//TFile(const wchar_t *pwszFileName, uint32 flags = TFileConsts::kRead | TFileConsts::kDenyWrite | TFileConsts::kOpenExisting);
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//TFile(VDFileHandle h);
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~TFile();
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bool open(const TFilePath &fname, uint32 flags = TFileConsts::kRead | TFileConsts::kDenyWrite | TFileConsts::kOpenExisting); // false if failed due to not found or already exists
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//bool open(const wchar_t *pwszFileName, uint32 flags = TFileConsts::kRead | TFileConsts::kDenyWrite | TFileConsts::kOpenExisting); // false if failed due to not found or already exists
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bool close();
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bool truncate();
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TINT64 size();
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TINT32 read(void *buffer, TINT32 length);
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TINT32 write(const void *buffer, TINT32 length);
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bool seek(TINT64 newPos, TFileConsts::SeekMode mode = TFileConsts::seekStart);
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bool skip(TINT64 delta);
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TINT64 tell();
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bool isOpen();
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std::string getLastError();
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protected:
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bool open_internal(const TFilePath &fname, /* const wchar_t *pwszFilename, */ uint32 flags);
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private:
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TFile(const TFile &);
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const TFile &operator=(const TFile &f);
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DWORD m_ec;
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};
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#endif
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