IOStream.hpp

/*
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Open Asset Import Library (assimp)
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Copyright (c) 2006-2012, assimp team

All rights reserved.

Redistribution and use of this software in source and binary forms, 
with or without modification, are permitted provided that the following 
conditions are met:

* Redistributions of source code must retain the above
  copyright notice, this list of conditions and the
  following disclaimer.

* Redistributions in binary form must reproduce the above
  copyright notice, this list of conditions and the
  following disclaimer in the documentation and/or other
  materials provided with the distribution.

* Neither the name of the assimp team, nor the names of its
  contributors may be used to endorse or promote products
  derived from this software without specific prior
  written permission of the assimp team.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
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*/
#ifndef AI_IOSTREAM_H_INC
#define AI_IOSTREAM_H_INC

#include "types.h"

#ifndef __cplusplus
#   error This header requires C++ to be used. aiFileIO.h is the \
    corresponding C interface.
#endif

namespace Assimp    {

// ----------------------------------------------------------------------------------
class ASSIMP_API IOStream
#ifndef SWIG
    : public Intern::AllocateFromAssimpHeap
#endif
{
protected:
    IOStream(void);

public:
    // -------------------------------------------------------------------
    virtual ~IOStream();

    // -------------------------------------------------------------------
    virtual size_t Read(void* pvBuffer, 
        size_t pSize, 
        size_t pCount) = 0;

    // -------------------------------------------------------------------
    virtual size_t Write(const void* pvBuffer, 
        size_t pSize,
        size_t pCount) = 0;

    // -------------------------------------------------------------------
    virtual aiReturn Seek(size_t pOffset,
        aiOrigin pOrigin) = 0;

    // -------------------------------------------------------------------
    virtual size_t Tell() const = 0;

    // -------------------------------------------------------------------
    virtual size_t FileSize() const = 0;

    // -------------------------------------------------------------------
    virtual void Flush() = 0;
}; 

// ----------------------------------------------------------------------------------
inline IOStream::IOStream()
{
    // empty
}

// ----------------------------------------------------------------------------------
inline IOStream::~IOStream()
{
    // empty
}
// ----------------------------------------------------------------------------------
} 

#endif