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00003 //
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00006 // proprietary rights in and to this software and related documentation and
00007 // any modifications thereto. Any use, reproduction, disclosure, or
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00011 // ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
00012 // NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
00013 // THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
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00016 // Information and code furnished is believed to be accurate and reliable.
00017 // However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
00018 // information or for any infringement of patents or other rights of third parties that may
00019 // result from its use. No license is granted by implication or otherwise under any patent
00020 // or patent rights of NVIDIA Corporation. Details are subject to change without notice.
00021 // This code supersedes and replaces all information previously supplied.
00022 // NVIDIA Corporation products are not authorized for use as critical
00023 // components in life support devices or systems without express written approval of
00024 // NVIDIA Corporation.
00025 //
00026 // Copyright (c) 2008-2017 NVIDIA Corporation. All rights reserved.
00027 // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
00028 // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
00029 
00030 
00031 #ifndef PX_PHYSICS_EXTENSIONS_DEFAULT_STREAMS_H
00032 #define PX_PHYSICS_EXTENSIONS_DEFAULT_STREAMS_H
00033 
00037 #include <stdio.h>
00038 #include "common/PxPhysXCommonConfig.h"
00039 #include "foundation/PxIO.h"
00040 #include "foundation/PxFoundation.h"
00041 
00042 typedef FILE* PxFileHandle;
00043 
00044 #if !PX_DOXYGEN
00045 namespace physx
00046 {
00047 #endif
00048 
00055 class PxDefaultMemoryOutputStream: public PxOutputStream
00056 {
00057 public:
00058                         PxDefaultMemoryOutputStream(PxAllocatorCallback &allocator = PxGetFoundation().getAllocatorCallback());
00059     virtual             ~PxDefaultMemoryOutputStream();
00060 
00061     virtual PxU32       write(const void* src, PxU32 count);
00062 
00063     virtual PxU32       getSize()   const   {   return mSize; }
00064     virtual PxU8*       getData()   const   {   return mData; }
00065 
00066 private:
00067         PxDefaultMemoryOutputStream(const PxDefaultMemoryOutputStream&);
00068         PxDefaultMemoryOutputStream& operator=(const PxDefaultMemoryOutputStream&);
00069 
00070         PxAllocatorCallback&    mAllocator;
00071         PxU8*                   mData;
00072         PxU32                   mSize;
00073         PxU32                   mCapacity;
00074 };
00075 
00082 class PxDefaultMemoryInputData: public PxInputData
00083 {
00084 public:
00085                         PxDefaultMemoryInputData(PxU8* data, PxU32 length);
00086 
00087     virtual     PxU32   read(void* dest, PxU32 count);
00088     virtual     PxU32   getLength() const;
00089     virtual     void    seek(PxU32 pos);
00090     virtual     PxU32   tell() const;
00091 
00092 private:
00093         PxU32       mSize;
00094         const PxU8* mData;
00095         PxU32       mPos;
00096 };
00097 
00098 
00099 
00106 class PxDefaultFileOutputStream: public PxOutputStream
00107 {
00108 public:
00109                         PxDefaultFileOutputStream(const char* name);
00110     virtual             ~PxDefaultFileOutputStream();
00111 
00112     virtual     PxU32   write(const void* src, PxU32 count);
00113     virtual     bool    isValid();
00114 private:
00115         PxFileHandle    mFile;
00116 };
00117 
00118 
00125 class PxDefaultFileInputData: public PxInputData
00126 {
00127 public:
00128                         PxDefaultFileInputData(const char* name);
00129     virtual             ~PxDefaultFileInputData();
00130 
00131     virtual     PxU32   read(void* dest, PxU32 count);
00132     virtual     void    seek(PxU32 pos);
00133     virtual     PxU32   tell() const;
00134     virtual     PxU32   getLength() const;
00135                 
00136                 bool    isValid() const;
00137 private:
00138         PxFileHandle    mFile;
00139         PxU32           mLength;
00140 };
00141 
00142 #if !PX_DOXYGEN
00143 }
00144 #endif
00145 
00148 #endif
00149