PhysFSFile.h

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#ifndef __LDK_PHYSFSFILE_H__
#define __LDK_PHYSFSFILE_H__

//   Copyright (C) 2003-2006 Lorien Dunn.
//
//   Contact: loriendunn AT users DOT sourceforge DOT net
//
//   This software is provided 'as-is', without any express or implied warranty.
//   In no event will the authors be held liable for any damages arising from
//   the use of this software.
//
//   Permission is granted to anyone to use this software for any purpose,
//   including commercial applications, and to alter it and redistribute it
//   freely, subject to the following restrictions:
//
//   1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software in a
//   product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
//
//   2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
//
//   3. This notice may not be removed or altered from any source distribution.
//


#include "LDK/VFile.h"
#include <physfs.h>

namespace LDK
{
class LDK_API PhysFSFile : public VFile
{
protected:

    PHYSFS_file*  mFile;
    int mUnget;
    int64 mPos;

    void resetPos();

public:

    PhysFSFile(PHYSFS_file* file=NULL);
    virtual ~PhysFSFile() throw();

    virtual void openRead(const char* fileName, bool text=false);
    virtual void openWrite(const char* fileName, bool text=false);
    virtual void openAppend(const char* fileName, bool text=false);
    virtual int64 length();
    virtual void close();

    virtual bool eof();
    virtual int64 tell();
    virtual int64 seek(int64 offset, int whence);
    virtual void flush();

    inline PHYSFS_file* handle() { return mFile; }


    //note arg order is different from PHYSFS_read!
    virtual int64 read(void *buffer, uint32 objCount, uint32 objSize=1);
    virtual int32 getc();
    //warning: dirty hack: does not push back the char into the buffer
    virtual int32 ungetc(char c);
    //like fgets
    virtual const char* gets(char* buffer, uint32 size);

    //note arg order is different from PHYSFS_write!
    virtual int64 write(const void *buffer, uint32 objCount, uint32 objSize=1);
    virtual int32 putc(char c);
    virtual int32 puts(const char* str); //like fputs i.e. no \n appended
    virtual int32 printf(const char* format, ...);
    virtual int32 vprintf(const char *format, va_list ap);
};

}//namespace LDK

#endif //__LDK_PHYSFSFILE_H__

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