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Diffstat (limited to 'PxShared/src/filebuf/include/PsFileBuffer.h')
| -rw-r--r-- | PxShared/src/filebuf/include/PsFileBuffer.h | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/PxShared/src/filebuf/include/PsFileBuffer.h b/PxShared/src/filebuf/include/PsFileBuffer.h deleted file mode 100644 index d768968..0000000 --- a/PxShared/src/filebuf/include/PsFileBuffer.h +++ /dev/null @@ -1,250 +0,0 @@ -// This code contains NVIDIA Confidential Information and is disclosed to you -// under a form of NVIDIA software license agreement provided separately to you. -// -// Notice -// NVIDIA Corporation and its licensors retain all intellectual property and -// proprietary rights in and to this software and related documentation and -// any modifications thereto. Any use, reproduction, disclosure, or -// distribution of this software and related documentation without an express -// license agreement from NVIDIA Corporation is strictly prohibited. -// -// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES -// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO -// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, -// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. -// -// Information and code furnished is believed to be accurate and reliable. -// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such -// information or for any infringement of patents or other rights of third parties that may -// result from its use. No license is granted by implication or otherwise under any patent -// or patent rights of NVIDIA Corporation. Details are subject to change without notice. -// This code supersedes and replaces all information previously supplied. -// NVIDIA Corporation products are not authorized for use as critical -// components in life support devices or systems without express written approval of -// NVIDIA Corporation. -// -// Copyright (c) 2008-2017 NVIDIA Corporation. All rights reserved. - -#ifndef PSFILEBUFFER_PSFILEBUFFER_H -#define PSFILEBUFFER_PSFILEBUFFER_H - -#include "filebuf/PxFileBuf.h" - -#include "Ps.h" -#include "PsUserAllocated.h" -#include <stdio.h> - -namespace physx -{ -namespace general_PxIOStream2 -{ - using namespace shdfnd; - -//Use this class if you want to use your own allocator -class PxFileBufferBase : public PxFileBuf -{ -public: - PxFileBufferBase(const char *fileName,OpenMode mode) - { - mOpenMode = mode; - mFph = NULL; - mFileLength = 0; - mSeekRead = 0; - mSeekWrite = 0; - mSeekCurrent = 0; - switch ( mode ) - { - case OPEN_READ_ONLY: - mFph = fopen(fileName,"rb"); - break; - case OPEN_WRITE_ONLY: - mFph = fopen(fileName,"wb"); - break; - case OPEN_READ_WRITE_NEW: - mFph = fopen(fileName,"wb+"); - break; - case OPEN_READ_WRITE_EXISTING: - mFph = fopen(fileName,"rb+"); - break; - case OPEN_FILE_NOT_FOUND: - break; - } - if ( mFph ) - { - fseek(mFph,0L,SEEK_END); - mFileLength = static_cast<uint32_t>(ftell(mFph)); - fseek(mFph,0L,SEEK_SET); - } - else - { - mOpenMode = OPEN_FILE_NOT_FOUND; - } - } - - virtual ~PxFileBufferBase() - { - close(); - } - - virtual void close() - { - if( mFph ) - { - fclose(mFph); - mFph = 0; - } - } - - virtual SeekType isSeekable(void) const - { - return mSeekType; - } - - virtual uint32_t read(void* buffer, uint32_t size) - { - uint32_t ret = 0; - if ( mFph ) - { - setSeekRead(); - ret = static_cast<uint32_t>(::fread(buffer,1,size,mFph)); - mSeekRead+=ret; - mSeekCurrent+=ret; - } - return ret; - } - - virtual uint32_t peek(void* buffer, uint32_t size) - { - uint32_t ret = 0; - if ( mFph ) - { - uint32_t loc = tellRead(); - setSeekRead(); - ret = static_cast<uint32_t>(::fread(buffer,1,size,mFph)); - mSeekCurrent+=ret; - seekRead(loc); - } - return ret; - } - - virtual uint32_t write(const void* buffer, uint32_t size) - { - uint32_t ret = 0; - if ( mFph ) - { - setSeekWrite(); - ret = static_cast<uint32_t>(::fwrite(buffer,1,size,mFph)); - mSeekWrite+=ret; - mSeekCurrent+=ret; - if ( mSeekWrite > mFileLength ) - { - mFileLength = mSeekWrite; - } - } - return ret; - } - - virtual uint32_t tellRead(void) const - { - return mSeekRead; - } - - virtual uint32_t tellWrite(void) const - { - return mSeekWrite; - } - - virtual uint32_t seekRead(uint32_t loc) - { - mSeekRead = loc; - if ( mSeekRead > mFileLength ) - { - mSeekRead = mFileLength; - } - return mSeekRead; - } - - virtual uint32_t seekWrite(uint32_t loc) - { - mSeekWrite = loc; - if ( mSeekWrite > mFileLength ) - { - mSeekWrite = mFileLength; - } - return mSeekWrite; - } - - virtual void flush(void) - { - if ( mFph ) - { - ::fflush(mFph); - } - } - - virtual OpenMode getOpenMode(void) const - { - return mOpenMode; - } - - virtual uint32_t getFileLength(void) const - { - return mFileLength; - } - -private: - // Moves the actual file pointer to the current read location - void setSeekRead(void) - { - if ( mSeekRead != mSeekCurrent && mFph ) - { - if ( mSeekRead >= mFileLength ) - { - fseek(mFph,0L,SEEK_END); - } - else - { - fseek(mFph,static_cast<long>(mSeekRead),SEEK_SET); - } - mSeekCurrent = mSeekRead = static_cast<uint32_t>(ftell(mFph)); - } - } - // Moves the actual file pointer to the current write location - void setSeekWrite(void) - { - if ( mSeekWrite != mSeekCurrent && mFph ) - { - if ( mSeekWrite >= mFileLength ) - { - fseek(mFph,0L,SEEK_END); - } - else - { - fseek(mFph,static_cast<long>(mSeekWrite),SEEK_SET); - } - mSeekCurrent = mSeekWrite = static_cast<uint32_t>(ftell(mFph)); - } - } - - - FILE *mFph; - uint32_t mSeekRead; - uint32_t mSeekWrite; - uint32_t mSeekCurrent; - uint32_t mFileLength; - SeekType mSeekType; - OpenMode mOpenMode; -}; - -//Use this class if you want to use PhysX memory allocator -class PsFileBuffer: public PxFileBufferBase, public UserAllocated -{ -public: - PsFileBuffer(const char *fileName,OpenMode mode): PxFileBufferBase(fileName, mode) {} -}; - -} -using namespace general_PxIOStream2; -} - -#endif // PSFILEBUFFER_PSFILEBUFFER_H |