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// --------------------------------------------------------------------------
//
// File
// Name: FileStream.h
// Purpose: FileStream interface to files
// Created: 2003/07/31
//
// --------------------------------------------------------------------------
#ifndef FILESTREAM__H
#define FILESTREAM__H
#include "IOStream.h"
#include <fcntl.h>
#include <stdlib.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef WIN32
#define INVALID_FILE NULL
typedef HANDLE tOSFileHandle;
#else
#define INVALID_FILE -1
typedef int tOSFileHandle;
#endif
class FileStream : public IOStream
{
public:
FileStream(const char *Filename,
#ifdef WIN32
int flags = (O_RDONLY | O_BINARY),
#else
int flags = O_RDONLY,
#endif
int mode = (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
FileStream(tOSFileHandle FileDescriptor);
virtual ~FileStream();
virtual int Read(void *pBuffer, int NBytes, int Timeout = IOStream::TimeOutInfinite);
virtual pos_type BytesLeftToRead();
virtual void Write(const void *pBuffer, int NBytes);
virtual pos_type GetPosition() const;
virtual void Seek(IOStream::pos_type Offset, int SeekType);
virtual void Close();
virtual bool StreamDataLeft();
virtual bool StreamClosed();
private:
tOSFileHandle mOSFileHandle;
bool mIsEOF;
FileStream(const FileStream &rToCopy) { /* do not call */ }
#ifdef WIN32
// for debugging..
std::string fileName;
#endif
};
#endif // FILESTREAM__H
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