?? hpplatformutils.cpp
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FileHandle XMLPlatformUtils::openFile(const XMLCh* const fileName , MemoryManager* const manager){ const char* tmpFileName = XMLString::transcode(fileName, manager); ArrayJanitor<char> janText((char*)tmpFileName, manager); return fopen(tmpFileName , "rb");}FileHandle XMLPlatformUtils::openFileToWrite(const XMLCh* const fileName , MemoryManager* const manager){ const char* tmpFileName = XMLString::transcode(fileName, manager); ArrayJanitor<char> janText((char*)tmpFileName, manager); return fopen( tmpFileName , "wb" );}FileHandle XMLPlatformUtils::openFileToWrite(const char* const fileName , MemoryManager* const manager){ return fopen( fileName , "wb" );}FileHandle XMLPlatformUtils::openStdInHandle(MemoryManager* const manager){ return (FileHandle) fdopen(dup(0), "rb");}unsigned intXMLPlatformUtils::readFileBuffer( FileHandle theFile , const unsigned int toRead , XMLByte* const toFill , MemoryManager* const manager){ size_t noOfItemsRead = fread((void*) toFill, 1, toRead, (FILE*)theFile); if (ferror((FILE*)theFile)) { ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotReadFromFile, manager); } return (unsigned int) noOfItemsRead;}voidXMLPlatformUtils::writeBufferToFile( FileHandle const theFile , long toWrite , const XMLByte* const toFlush , MemoryManager* const manager){ if (!theFile || (toWrite <= 0 ) || !toFlush ) return; const XMLByte* tmpFlush = (const XMLByte*) toFlush; size_t bytesWritten = 0; while (true) { bytesWritten=fwrite(tmpFlush, sizeof(XMLByte), toWrite, (FILE*)theFile); if(ferror((FILE*)theFile)) { ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotWriteToFile, manager); } if (bytesWritten < toWrite) //incomplete write { tmpFlush+=bytesWritten; toWrite-=bytesWritten; bytesWritten=0; } else return; } return;}void XMLPlatformUtils::resetFile(FileHandle theFile , MemoryManager* const manager){ // Seek to the start of the file if (fseek((FILE*) theFile, 0, SEEK_SET)) ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotResetFile, manager);}// ---------------------------------------------------------------------------// XMLPlatformUtils: File system methods// ---------------------------------------------------------------------------XMLCh* XMLPlatformUtils::getFullPath(const XMLCh* const srcPath, MemoryManager* const manager){ // // NOTE: The path provided has always already been opened successfully, // so we know that its not some pathological freaky path. It comes in // in native format, and goes out as Unicode always // char* newSrc = XMLString::transcode(srcPath, manager); ArrayJanitor<char> janText(newSrc, manager); // Use a local buffer that is big enough for the largest legal path char absPath[PATH_MAX + 1]; //get the absolute path char* retPath = realpath(newSrc, &absPath[0]); if (!retPath) { ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotGetBasePathName, manager); } return XMLString::transcode(absPath, manager);}bool XMLPlatformUtils::isRelative(const XMLCh* const toCheck , MemoryManager* const manager){ // Check for pathological case of empty path if (!toCheck[0]) return false; // // If it starts with a slash, then it cannot be relative. This covers // both something like "\Test\File.xml" and an NT Lan type remote path // that starts with a node like "\\MyNode\Test\File.xml". // if (toCheck[0] == XMLCh('/')) return false; // Else assume its a relative path return true;}XMLCh* XMLPlatformUtils::getCurrentDirectory(MemoryManager* const manager){ char dirBuf[PATH_MAX + 2]; char *curDir = getcwd(&dirBuf[0], PATH_MAX + 1); if (!curDir) { ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotGetBasePathName, manager); } return XMLString::transcode(curDir, manager);}inline bool XMLPlatformUtils::isAnySlash(XMLCh c) { return ( chBackSlash == c || chForwardSlash == c);}// ---------------------------------------------------------------------------// XMLPlatformUtils: Timing Methods// ---------------------------------------------------------------------------unsigned long XMLPlatformUtils::getCurrentMillis(){#if defined(XML_HPUX_KAICC) // should be reimplemented by someone with // HP/UX and KAI knowledge. return (unsigned long) 0;#else timeb aTime; ftime(&aTime); return (unsigned long)(aTime.time*1000 + aTime.millitm);#endif}// -----------------------------------------------------------------------// Mutex methods// -----------------------------------------------------------------------#if !defined(APP_NO_THREADS)// ---------------------------------------------------------------------------// XMLPlatformUtils: Platform init method// ---------------------------------------------------------------------------static XMLMutex *atomicOpsMutex = 0;void XMLPlatformUtils::platformInit(){ // // The atomicOps mutex needs to be created early. // Normally, mutexes are created on first use, but there is a // circular dependency between compareAndExchange() and // mutex creation that must be broken. if(!atomicOpsMutex) { atomicOpsMutex = new (fgMemoryManager) XMLMutex(); if (atomicOpsMutex->fHandle == 0) atomicOpsMutex->fHandle = XMLPlatformUtils::makeMutex(); }}void* XMLPlatformUtils::makeMutex(){ pthread_mutex_t* mutex = new pthread_mutex_t; pthread_mutexattr_t* attr = new pthread_mutexattr_t;#if defined(XML_USE_DCE) pthread_mutexattr_create(attr); pthread_mutexattr_setkind_np(attr, MUTEX_RECURSIVE_NP); if (pthread_mutex_init(mutex, *attr)) { ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotCreate, fgMemoryManager); } pthread_mutexattr_delete(attr);#else pthread_mutexattr_init(attr); pthread_mutexattr_settype(attr, PTHREAD_MUTEX_RECURSIVE); if (pthread_mutex_init(mutex, attr)) { ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotCreate, fgMemoryManager); } pthread_mutexattr_destroy(attr);#endif delete attr; return (void*) mutex;}void XMLPlatformUtils::closeMutex(void* const mtxHandle){ pthread_mutex_t* mutex = (pthread_mutex_t *) mtxHandle; if (mutex != NULL) { if (pthread_mutex_destroy(mutex)) ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotDestroy, fgMemoryManager); delete mutex; }}void XMLPlatformUtils::lockMutex(void* const mtxHandle){ if (mtxHandle != NULL) { if (pthread_mutex_lock((pthread_mutex_t *) mtxHandle)) { ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotLock, fgMemoryManager); } }}void XMLPlatformUtils::unlockMutex(void* const mtxHandle){ if (mtxHandle != NULL) { if (pthread_mutex_unlock((pthread_mutex_t *) mtxHandle)) { ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotUnlock, fgMemoryManager); } }}// -----------------------------------------------------------------------// Miscellaneous synchronization methods// -----------------------------------------------------------------------void* XMLPlatformUtils::compareAndSwap ( void** toFill, const void* const newValue, const void* const toCompare){ XMLMutexLock localLock(atomicOpsMutex); void *retVal = *toFill; if (*toFill == toCompare) { *toFill = (void *)newValue; } return retVal;}int XMLPlatformUtils::atomicIncrement(int &location){ XMLMutexLock localLock(atomicOpsMutex); return ++location;}int XMLPlatformUtils::atomicDecrement(int &location){ XMLMutexLock localLock(atomicOpsMutex); return --location;}#else // #if !defined (APP_NO_THREADS)void XMLPlatformUtils::platformInit(){}void XMLPlatformUtils::closeMutex(void* const mtxHandle){}void XMLPlatformUtils::lockMutex(void* const mtxHandle){}void* XMLPlatformUtils::makeMutex(){ return 0;}void XMLPlatformUtils::unlockMutex(void* const mtxHandle){}void* XMLPlatformUtils::compareAndSwap (void** toFill, const void* const newValue, const void* const toCompare){ void *retVal = *toFill; if (*toFill == toCompare) *toFill = (void *)newValue; return retVal;}int XMLPlatformUtils::atomicIncrement(int &location){ return ++location;}int XMLPlatformUtils::atomicDecrement(int &location){ return --location;}#endif // APP_NO_THREADSvoid XMLPlatformUtils::platformTerm(){#if !defined(APP_NO_THREADS) // delete the mutex we created closeMutex(atomicOpsMutex->fHandle); atomicOpsMutex->fHandle = 0; delete atomicOpsMutex; atomicOpsMutex = 0;#endif}#include <xercesc/util/LogicalPath.c>XERCES_CPP_NAMESPACE_END
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