//////////////////////////////////////////////////////////////////////////
// low level function, reads directly from the file
// TODO: remove all those pOSSaveReader parameter chains and make it a member, passing it along is not needed anymore
void CReader::ReadDataFromFileInternal( IPlatformOS::ISaveReaderPtr& pOSSaveReader, void* pDst, uint32 numBytes )
{
assert( pOSSaveReader.get() );
if (!m_errorReading)
{
IPlatformOS::EFileOperationCode code = pOSSaveReader->ReadBytes( pDst, numBytes );
CheckErrorFlag( code );
}
}
bool CXmlLoadGame::Init( const char * name )
{
#ifdef XML_LOADGAME_USE_COMPRESSION
#if defined(XENON) || defined(PS3)
CryWarning(VALIDATOR_MODULE_GAME,VALIDATOR_ERROR, "CXmlLoadGame::Init not supported yet, strings cannot grow beyond 32767 chars\n");
return false;
#endif
const unsigned int nFileSizeBits = GetISystem()->GetCompressedFileSize(name);
const unsigned int nFileSizeBytes = nFileSizeBits / 8 + ((nFileSizeBits & 7) + 7) / 8;
if (nFileSizeBytes <= 0)
{
return false;
}
char* const pXmlData = new char[nFileSizeBytes+16];
GetISystem()->ReadCompressedFile(name, pXmlData,nFileSizeBits);
m_pImpl->root = GetISystem()->LoadXmlFromBuffer(pXmlData, nFileSizeBytes);
delete []pXmlData;
#else
if (GetISystem()->GetPlatformOS()->UsePlatformSavingAPI() )
{
IPlatformOS::ISaveReaderPtr pSaveReader = GetISystem()->GetPlatformOS()->SaveGetReader(name);
if (!pSaveReader)
{
return false;
}
size_t nFileSize;
if ((pSaveReader->GetNumBytes(nFileSize) == IPlatformOS::eFOC_Failure) || (nFileSize <= 0))
{
return false;
}
std::vector<char> xmlData;
xmlData.resize(nFileSize);
if (pSaveReader->ReadBytes(&xmlData[0], nFileSize) == IPlatformOS::eFOC_Failure)
{
return false;
}
m_pImpl->root = GetISystem()->LoadXmlFromBuffer(&xmlData[0], nFileSize);
}
else
{
m_pImpl->root = GetISystem()->LoadXmlFromFile(name);
}
#endif
if (!m_pImpl->root)
return false;
m_pImpl->inputFile = name;
m_pImpl->metadata = m_pImpl->root->findChild("Metadata");
if (!m_pImpl->metadata)
return false;
return true;
}