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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef PX_XML_DESERIALIZER_H
#define PX_XML_DESERIALIZER_H
#include "SnXmlVisitorReader.h"
namespace physx { namespace Sn {
//Definitions needed internally in the Serializer headers.
template<typename TTriIndexElem>
struct Triangle
{
TTriIndexElem mIdx0;
TTriIndexElem mIdx1;
TTriIndexElem mIdx2;
Triangle( TTriIndexElem inIdx0 = 0, TTriIndexElem inIdx1 = 0, TTriIndexElem inIdx2 = 0)
: mIdx0( inIdx0 )
, mIdx1( inIdx1 )
, mIdx2( inIdx2 )
{
}
};
struct XmlMemoryAllocateMemoryPoolAllocator
{
XmlMemoryAllocator* mAllocator;
XmlMemoryAllocateMemoryPoolAllocator( XmlMemoryAllocator* inAlloc ) : mAllocator( inAlloc ) {}
PxU8* allocate( PxU32 inSize ) { return mAllocator->allocate( inSize ); }
void deallocate( PxU8* inMem ) { mAllocator->deallocate( inMem ); }
};
inline bool isEmpty(const char *s)
{
while (*s != '\0')
{
if (!isspace(*s))
return false;
s++;
}
return true;
}
inline void strtoLong( Triangle<PxU32>& ioDatatype,const char*& ioData )
{
strto( ioDatatype.mIdx0, ioData );
strto( ioDatatype.mIdx1, ioData );
strto( ioDatatype.mIdx2, ioData );
}
inline void strtoLong( PxHeightFieldSample& ioDatatype,const char*& ioData )
{
PxU32 tempData;
strto( tempData, ioData );
if ( isBigEndian() )
{
PxU32& theItem(tempData);
PxU32 theDest = 0;
PxU8* theReadPtr( reinterpret_cast< PxU8* >( &theItem ) );
PxU8* theWritePtr( reinterpret_cast< PxU8* >( &theDest ) );
//A height field sample is a 16 bit number
//followed by two bytes.
//We write this out as a 32 bit integer, LE.
//Thus, on a big endian, we need to move the bytes
//around a bit.
//LE - 1 2 3 4
//BE - 4 3 2 1 - after convert from xml number
//Correct BE - 2 1 3 4, just like LE but with the 16 number swapped
theWritePtr[0] = theReadPtr[2];
theWritePtr[1] = theReadPtr[3];
theWritePtr[2] = theReadPtr[1];
theWritePtr[3] = theReadPtr[0];
theItem = theDest;
}
ioDatatype = *reinterpret_cast<PxHeightFieldSample*>( &tempData );
}
template<typename TDataType>
inline void readStridedFlagsProperty( XmlReader& ioReader, const char* inPropName, TDataType*& outData, PxU32& outStride, PxU32& outCount, XmlMemoryAllocator& inAllocator,
const PxU32ToName* inConversions)
{
const char* theSrcData;
outStride = sizeof( TDataType );
outData = NULL;
outCount = 0;
if ( ioReader.read( inPropName, theSrcData ) )
{
XmlMemoryAllocateMemoryPoolAllocator tempAllocator( &inAllocator );
MemoryBufferBase<XmlMemoryAllocateMemoryPoolAllocator> tempBuffer( &tempAllocator );
if ( theSrcData )
{
static PxU32 theCount = 0;
++theCount;
char* theStartData = const_cast< char*>( copyStr( &tempAllocator, theSrcData ) );
char* aData = strtok(theStartData, " \n");
while( aData )
{
TDataType tempValue;
stringToFlagsType( aData, inAllocator, tempValue, inConversions );
aData = strtok(NULL," \n");
tempBuffer.write( &tempValue, sizeof(TDataType) );
}
outData = reinterpret_cast< TDataType* >( tempBuffer.mBuffer );
outCount = tempBuffer.mWriteOffset / sizeof( TDataType );
tempAllocator.deallocate( reinterpret_cast<PxU8*>(theStartData) );
}
tempBuffer.releaseBuffer();
}
}
template<typename TDataType>
inline void readStridedBufferProperty( XmlReader& ioReader, const char* inPropName, TDataType*& outData, PxU32& outStride, PxU32& outCount, XmlMemoryAllocator& inAllocator)
{
const char* theSrcData;
outStride = sizeof( TDataType );
outData = NULL;
outCount = 0;
if ( ioReader.read( inPropName, theSrcData ) )
{
XmlMemoryAllocateMemoryPoolAllocator tempAllocator( &inAllocator );
MemoryBufferBase<XmlMemoryAllocateMemoryPoolAllocator> tempBuffer( &tempAllocator );
if ( theSrcData )
{
static PxU32 theCount = 0;
++theCount;
char* theStartData = const_cast< char*>( copyStr( &tempAllocator, theSrcData ) );
const char* theData = theStartData;
while( !isEmpty(theData) )
{
//These buffers are whitespace delimited.
TDataType theType;
strtoLong( theType, theData );
tempBuffer.write( &theType, sizeof(theType) );
}
outData = reinterpret_cast< TDataType* >( tempBuffer.mBuffer );
outCount = tempBuffer.mWriteOffset / sizeof( TDataType );
tempAllocator.deallocate( reinterpret_cast<PxU8*>(theStartData) );
}
tempBuffer.releaseBuffer();
}
}
template<typename TDataType>
inline void readStridedBufferProperty( XmlReader& ioReader, const char* inPropName, PxStridedData& ioData, PxU32& outCount, XmlMemoryAllocator& inAllocator)
{
TDataType* tempData = NULL;
readStridedBufferProperty<TDataType>( ioReader, inPropName, tempData, ioData.stride, outCount, inAllocator );
ioData.data = tempData;
}
template<typename TDataType>
inline void readStridedBufferProperty( XmlReader& ioReader, const char* inPropName, PxTypedStridedData<TDataType>& ioData, PxU32& outCount, XmlMemoryAllocator& inAllocator)
{
TDataType* tempData = NULL;
readStridedBufferProperty<TDataType>( ioReader, inPropName, tempData, ioData.stride, outCount, inAllocator );
ioData.data = reinterpret_cast<PxMaterialTableIndex*>( tempData );
}
template<typename TDataType>
inline void readStridedBufferProperty( XmlReader& ioReader, const char* inPropName, PxBoundedData& ioData, XmlMemoryAllocator& inAllocator)
{
return readStridedBufferProperty<TDataType>( ioReader, inPropName, ioData, ioData.count, inAllocator );
}
} }
#endif
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