pandaIOStream.h

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/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file pandaIOStream.h
 * @author rdb
 * @date 2011-03-29
 */
 
#ifndef PANDAIOSTREAM_H
#define PANDAIOSTREAM_H
 
#include "config_assimp.h"
 
#include <assimp/IOStream.hpp>
 
class PandaIOSystem;
 
/**
 * Custom implementation of Assimp::IOStream.  It simply wraps around an
 * istream object, and is unable to write.
 */
class PandaIOStream : public Assimp::IOStream {
public:
  PandaIOStream(std::istream &stream);
  virtual ~PandaIOStream() {};
 
  size_t FileSize() const;
  void Flush();
  size_t Read(void *pvBuffer, size_t pSize, size_t pCount);
  aiReturn Seek(size_t pOffset, aiOrigin pOrigin);
  size_t Tell() const;
  size_t Write(const void *buffer, size_t size, size_t count);
 
private:
  std::istream &_istream;
 
  friend class PandaIOSystem;
};
 
#endif