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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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00010 // 
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) 2008-2012 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/PxPhysXCommon.h"
00039 #include "common/PxIO.h"
00040 #include "foundation/PxFoundation.h"
00041 
00042 namespace physx
00043 {
00044 
00051 class PxDefaultMemoryOutputStream: public PxOutputStream
00052 {
00053 public:
00054                         PxDefaultMemoryOutputStream(PxAllocatorCallback &allocator = PxGetFoundation().getAllocatorCallback());
00055     virtual             ~PxDefaultMemoryOutputStream();
00056 
00057     virtual PxU32       write(const void* src, PxU32 count);
00058 
00059     virtual PxU32       getSize()   const   {   return mSize; }
00060     virtual PxU8*       getData()   const   {   return mData; }
00061 
00062 private:
00063         PxDefaultMemoryOutputStream(const PxDefaultMemoryOutputStream&);
00064         PxDefaultMemoryOutputStream& operator=(const PxDefaultMemoryOutputStream&);
00065 
00066         PxAllocatorCallback&    mAllocator;
00067         PxU8*                   mData;
00068         PxU32                   mSize;
00069         PxU32                   mCapacity;
00070 };
00071 
00078 class PxDefaultMemoryInputData: public PxInputData
00079 {
00080 public:
00081                         PxDefaultMemoryInputData(PxU8* data, PxU32 length);
00082 
00083     virtual     PxU32   read(void* dest, PxU32 count);
00084     virtual     PxU32   getLength() const;
00085     virtual     void    seek(PxU32 pos);
00086     virtual     PxU32   tell() const;
00087 
00088 private:
00089         PxU32       mSize;
00090         const PxU8* mData;
00091         PxU32       mPos;
00092 };
00093 
00094 
00095 
00102 class PxDefaultFileOutputStream: public PxOutputStream
00103 {
00104 public:
00105                         PxDefaultFileOutputStream(const char* name);
00106     virtual             ~PxDefaultFileOutputStream();
00107 
00108     virtual     PxU32   write(const void* src, PxU32 count);
00109     virtual     bool    isValid();
00110 private:
00111         FILE*       mFile;
00112 };
00113 
00114 
00121 class PxDefaultFileInputData: public PxInputData
00122 {
00123 public:
00124                         PxDefaultFileInputData(const char* name);
00125     virtual             ~PxDefaultFileInputData();
00126 
00127     virtual     PxU32   read(void* dest, PxU32 count);
00128     virtual     void    seek(PxU32 pos);
00129     virtual     PxU32   tell() const;
00130     virtual     PxU32   getLength() const;
00131                 
00132                 bool    isValid() const;
00133 private:
00134         FILE*       mFile;
00135         PxU32       mLength;
00136 };
00137 }
00138 
00141 #endif