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Diffstat (limited to 'shared/fileIO.h')
-rw-r--r-- | shared/fileIO.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/shared/fileIO.h b/shared/fileIO.h new file mode 100644 index 00000000..313ceece --- /dev/null +++ b/shared/fileIO.h @@ -0,0 +1,98 @@ +// ************************************************************************** +// * This file is part of the FreeFileSync project. It is distributed under * +// * GNU General Public License: http://www.gnu.org/licenses/gpl.html * +// * Copyright (C) 2008-2010 ZenJu (zhnmju123 AT gmx.de) * +// ************************************************************************** +// +#ifndef FILEIO_H_INCLUDED +#define FILEIO_H_INCLUDED + +#include <wx/stream.h> + +#ifdef FFS_WIN +#include <wx/msw/wrapwin.h> //includes "windows.h" +#elif defined FFS_LINUX +#include <stdio.h> +#endif + +#include "zstring.h" +#include "fileError.h" + +namespace FreeFileSync +{ +//file IO optimized for sequential read/write accesses + better error reporting + long path support + +class FileInput +{ +public: + FileInput(const Zstring& filename); //throw FileError() + ~FileInput(); + + size_t read(void* buffer, size_t bytesToRead); //returns actual number of bytes read; throw FileError() + bool eof(); //end of file reached + +private: +#ifdef FFS_WIN + HANDLE fileHandle; + bool eofReached; +#elif defined FFS_LINUX + FILE* fileHandle; +#endif + const Zstring filename_; +}; + + +class FileOutput +{ +public: + FileOutput(const Zstring& filename); //throw FileError() + ~FileOutput(); + + void write(const void* buffer, size_t bytesToWrite); //throw FileError() + void close(); //close file stream +private: +#ifdef FFS_WIN + HANDLE fileHandle; +#elif defined FFS_LINUX + FILE* fileHandle; +#endif + const Zstring filename_; +}; + + +//############# wxWidgets stream adapter ############# +// can be used as base classes (have virtual destructors) +class FileInputStream : public wxInputStream +{ +public: + FileInputStream(const Zstring& filename) : //throw FileError() + fileObj(filename) {} + +private: + virtual size_t OnSysRead(void* buffer, size_t bufsize) //throw FileError() + { + return fileObj.read(buffer, bufsize); + } + + FileInput fileObj; +}; + + +class FileOutputStream : public wxOutputStream +{ +public: + FileOutputStream(const Zstring& filename) : //throw FileError() + fileObj(filename) {} + +private: + virtual size_t OnSysWrite(const void* buffer, size_t bufsize) //throw FileError() + { + fileObj.write(buffer, bufsize); + return bufsize; + } + + FileOutput fileObj; +}; +} + +#endif // FILEIO_H_INCLUDED |