89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
#pragma once
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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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enum SeekMode { seekStart = 0, seekCur, seekEnd };
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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,
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// 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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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 |
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TFileConsts::kDenyWrite |
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TFileConsts::kOpenExisting);
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// TFile(const wchar_t *pwszFileName, uint32 flags = TFileConsts::kRead |
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// 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,
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uint32 flags = TFileConsts::kRead | TFileConsts::kDenyWrite |
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TFileConsts::kOpenExisting); // false if failed due
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// to not found or
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// already exists
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// bool open(const wchar_t *pwszFileName, uint32 flags =
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// TFileConsts::kRead
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// | TFileConsts::kDenyWrite | TFileConsts::kOpenExisting); // false if
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// 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,
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/* 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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