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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// SPDX-FileCopyrightText: Copyright (c) 2008-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
#ifndef PX_DEFAULT_STREAMS_H
#define PX_DEFAULT_STREAMS_H
#include <stdio.h>
#include "common/PxPhysXCommonConfig.h"
#include "foundation/PxIO.h"
#include "foundation/PxFoundation.h"
typedef FILE* PxFileHandle;
#if !PX_DOXYGEN
namespace physx
{
#endif
/**
\brief default implementation of a memory write stream
\see PxOutputStream
*/
class PxDefaultMemoryOutputStream: public PxOutputStream
{
public:
PxDefaultMemoryOutputStream(PxAllocatorCallback &allocator = *PxGetAllocatorCallback());
virtual ~PxDefaultMemoryOutputStream();
virtual PxU64 write(const void* src, PxU64 count);
virtual PxU64 getSize() const { return mSize; }
virtual PxU8* getData() const { return mData; }
private:
PxDefaultMemoryOutputStream(const PxDefaultMemoryOutputStream&);
PxDefaultMemoryOutputStream& operator=(const PxDefaultMemoryOutputStream&);
PxAllocatorCallback& mAllocator;
PxU8* mData;
PxU64 mSize;
PxU64 mCapacity;
};
/**
\brief default implementation of a memory read stream
\see PxInputData
*/
class PxDefaultMemoryInputData: public PxInputData
{
public:
PxDefaultMemoryInputData(const PxU8* data, PxU64 length);
virtual PxU64 read(void* dest, PxU64 count);
virtual PxU64 getLength() const;
virtual void seek(PxU64 pos);
virtual PxU64 tell() const;
private:
PxU64 mSize;
const PxU8* mData;
PxU64 mPos;
};
/**
\brief default implementation of a file write stream
\see PxOutputStream
*/
class PxDefaultFileOutputStream: public PxOutputStream
{
public:
PxDefaultFileOutputStream(const char* name);
virtual ~PxDefaultFileOutputStream();
virtual PxU64 write(const void* src, PxU64 count);
virtual bool isValid();
private:
PxFileHandle mFile;
};
/**
\brief default implementation of a file read stream
\see PxInputData
*/
class PxDefaultFileInputData: public PxInputData
{
public:
PxDefaultFileInputData(const char* name);
virtual ~PxDefaultFileInputData();
virtual PxU64 read(void* dest, PxU64 count);
virtual void seek(PxU64 pos);
virtual PxU64 tell() const;
virtual PxU64 getLength() const;
bool isValid() const;
private:
PxFileHandle mFile;
PxU64 mLength;
};
#if !PX_DOXYGEN
}
#endif
#endif