148 lines
4.0 KiB
C++
148 lines
4.0 KiB
C++
// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2023 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef PX_DEFAULT_STREAMS_H
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#define PX_DEFAULT_STREAMS_H
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/** \addtogroup extensions
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@{
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*/
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#include <stdio.h>
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#include "common/PxPhysXCommonConfig.h"
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#include "foundation/PxIO.h"
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#include "foundation/PxFoundation.h"
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typedef FILE* PxFileHandle;
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#if !PX_DOXYGEN
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namespace physx
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{
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#endif
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/**
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\brief default implementation of a memory write stream
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@see PxOutputStream
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*/
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class PxDefaultMemoryOutputStream: public PxOutputStream
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{
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public:
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PxDefaultMemoryOutputStream(PxAllocatorCallback &allocator = *PxGetAllocatorCallback());
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virtual ~PxDefaultMemoryOutputStream();
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virtual PxU32 write(const void* src, PxU32 count);
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virtual PxU32 getSize() const { return mSize; }
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virtual PxU8* getData() const { return mData; }
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private:
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PxDefaultMemoryOutputStream(const PxDefaultMemoryOutputStream&);
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PxDefaultMemoryOutputStream& operator=(const PxDefaultMemoryOutputStream&);
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PxAllocatorCallback& mAllocator;
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PxU8* mData;
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PxU32 mSize;
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PxU32 mCapacity;
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};
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/**
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\brief default implementation of a memory read stream
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@see PxInputData
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*/
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class PxDefaultMemoryInputData: public PxInputData
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{
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public:
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PxDefaultMemoryInputData(PxU8* data, PxU32 length);
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virtual PxU32 read(void* dest, PxU32 count);
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virtual PxU32 getLength() const;
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virtual void seek(PxU32 pos);
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virtual PxU32 tell() const;
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private:
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PxU32 mSize;
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const PxU8* mData;
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PxU32 mPos;
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};
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/**
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\brief default implementation of a file write stream
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@see PxOutputStream
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*/
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class PxDefaultFileOutputStream: public PxOutputStream
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{
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public:
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PxDefaultFileOutputStream(const char* name);
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virtual ~PxDefaultFileOutputStream();
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virtual PxU32 write(const void* src, PxU32 count);
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virtual bool isValid();
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private:
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PxFileHandle mFile;
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};
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/**
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\brief default implementation of a file read stream
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@see PxInputData
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*/
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class PxDefaultFileInputData: public PxInputData
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{
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public:
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PxDefaultFileInputData(const char* name);
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virtual ~PxDefaultFileInputData();
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virtual PxU32 read(void* dest, PxU32 count);
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virtual void seek(PxU32 pos);
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virtual PxU32 tell() const;
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virtual PxU32 getLength() const;
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bool isValid() const;
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private:
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PxFileHandle mFile;
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PxU32 mLength;
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};
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#if !PX_DOXYGEN
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}
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#endif
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/** @} */
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#endif
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