/* * Copyright 2003-2004 The Apache Software Foundation. *  * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at *  *      http://www.apache.org/licenses/LICENSE-2.0 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *//* * $Id: QNXPlatformUtils.cpp,v 1.10 2004/09/08 13:56:42 peiyongz Exp $ */// ---------------------------------------------------------------------------//  Includes// ---------------------------------------------------------------------------#include <stdio.h>#include <stdlib.h>#include <unistd.h>#include <sys/types.h>#include <sys/stat.h>#include <sys/timeb.h>#include <atomic.h>#include <pthread.h>#include <errno.h>#include <sys/neutrino.h>#include <xercesc/util/Janitor.hpp>#include <xercesc/util/PlatformUtils.hpp>#include <xercesc/util/RuntimeException.hpp>#include <xercesc/util/XMLExceptMsgs.hpp>#include <xercesc/util/XMLString.hpp>#include <xercesc/util/XMLUniDefs.hpp>#include <xercesc/util/XMLUni.hpp>////  These control which transcoding service is used by the QNX version.//#if defined (XML_USE_ICU_TRANSCODER)    #include <xercesc/util/Transcoders/ICU/ICUTransService.hpp>#elif defined (XML_USE_GNU_TRANSCODER)    #include <xercesc/util/Transcoders/IconvGNU/IconvGNUTransService.hpp>#else    #error A transcoding service must be chosen#endif////  These control which message loading service is used by the QNX version.//#if defined(XML_USE_ICU_MESSAGELOADER)    #include <xercesc/util/MsgLoaders/ICU/ICUMsgLoader.hpp>#else    #include <xercesc/util/MsgLoaders/InMemory/InMemMsgLoader.hpp>#endif////  These control which network access service is used by the QNX version.//#if defined (XML_USE_NETACCESSOR_LIBWWW)    #include <xercesc/util/NetAccessors/libWWW/LibWWWNetAccessor.hpp>#else    #include <xercesc/util/NetAccessors/Socket/SocketNetAccessor.hpp>#endifXERCES_CPP_NAMESPACE_BEGIN// ---------------------------------------------------------------------------//  XMLPlatformUtils: The panic method// ---------------------------------------------------------------------------void XMLPlatformUtils::panic(const PanicHandler::PanicReasons reason){    fgUserPanicHandler? fgUserPanicHandler->panic(reason) : fgDefaultPanicHandler->panic(reason);	}// ---------------------------------------------------------------------------//  XMLPlatformUtils: File Methods// ---------------------------------------------------------------------------unsigned int XMLPlatformUtils::curFilePos(FileHandle theFile                                          , MemoryManager* const manager){    int curPos = ftell(theFile);    if (curPos == -1) {        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotGetSize, manager);    }    return (unsigned int)curPos;}void XMLPlatformUtils::closeFile(FileHandle theFile                                 , MemoryManager* const manager){    if (fclose(theFile)) {        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotCloseFile, manager);    }}unsigned int XMLPlatformUtils::fileSize(FileHandle theFile                                        , MemoryManager* const manager){    struct stat sbuf;    if( fstat( fileno(theFile), &sbuf ) ) {        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotGetSize, manager);    }    return sbuf.st_size;}FileHandle XMLPlatformUtils::openFile(const char* const fileName                                      , MemoryManager* const manager){    return fopen( fileName, "rb" );}FileHandle XMLPlatformUtils::openFile(const XMLCh* const fileName                                      , MemoryManager* const manager){    const char* tmpFileName = XMLString::transcode(fileName, manager);    ArrayJanitor<char> janText((char*)tmpFileName, manager);    return openFile( tmpFileName );}FileHandle XMLPlatformUtils::openFileToWrite(const char* const fileName                                             , MemoryManager* const manager){    return fopen( fileName, "wb" );}FileHandle XMLPlatformUtils::openFileToWrite(const XMLCh* const fileName                                             , MemoryManager* const manager){    const char* tmpFileName = XMLString::transcode(fileName, manager);    ArrayJanitor<char> janText((char*)tmpFileName, manager);    return openFileToWrite(tmpFileName);}FileHandle XMLPlatformUtils::openStdInHandle(MemoryManager* const manager){    return fdopen( dup(STDIN_FILENO), "rb" );}unsigned intXMLPlatformUtils::readFileBuffer(       FileHandle      theFile                                , const unsigned int    toRead                                ,       XMLByte* const  toFill                                , MemoryManager* const  manager){    unsigned long bytesRead = 0;    bytesRead = fread( toFill, 1, toRead, theFile );    if (ferror(theFile)) {        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotReadFromFile, manager);    }    return (unsigned int)bytesRead;}voidXMLPlatformUtils::writeBufferToFile( FileHandle     const  theFile                                   , long                  toWrite                                   , const XMLByte* const  toFlush                                   , MemoryManager* const  manager){    unsigned long bytesWritten = 0;    bytesWritten = fwrite( toFlush, 1, toWrite, theFile );    if( bytesWritten != toWrite ) {        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotWriteToFile, manager);    }    return;}void XMLPlatformUtils::resetFile(FileHandle theFile                                 , MemoryManager* const manager){    if (fseek(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);    char absPath[PATH_MAX + 1];    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){    if (!toCheck[0] || toCheck[0] == XMLCh('/'))        return false;    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(){    timeb aTime;    ftime(&aTime);    return (unsigned long)(aTime.time*1000 + aTime.millitm);}// ---------------------------------------------------------------------------//  Mutex methods// ---------------------------------------------------------------------------void* XMLPlatformUtils::makeMutex(){    pthread_mutexattr_t attr;    pthread_mutexattr_init( &attr );    pthread_mutexattr_setrecursive( &attr, PTHREAD_RECURSIVE_ENABLE );    pthread_mutex_t *mutex = new pthread_mutex_t;    if( pthread_mutex_init( mutex, &attr ) != EOK ) {        delete mutex;        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotCreate, fgMemoryManager);    }    pthread_mutexattr_destroy( &attr );    return mutex;}void XMLPlatformUtils::closeMutex(void* const mtxHandle){    if( mtxHandle == NULL || pthread_mutex_destroy( (pthread_mutex_t *)mtxHandle ) != EOK ) {        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotClose, fgMemoryManager);    }    delete mtxHandle;}void XMLPlatformUtils::lockMutex(void* const mtxHandle){    if( mtxHandle == NULL || pthread_mutex_lock( (pthread_mutex_t *)mtxHandle ) != EOK ) {        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotLock, fgMemoryManager);    }}void XMLPlatformUtils::unlockMutex(void* const mtxHandle){    if( mtxHandle == NULL || pthread_mutex_unlock( (pthread_mutex_t *)mtxHandle ) != EOK ) {        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::Mutex_CouldNotLock, fgMemoryManager);    }}// ---------------------------------------------------------------------------//  Miscellaneous synchronization methods// ---------------------------------------------------------------------------void*XMLPlatformUtils::compareAndSwap(       void**      toFill                                , const void* const newValue                                , const void* const toCompare){    //    // Undocumented function pulled in by pthread.h.  Uses CPU specific    // inline assembly routines for doing an atomic compare and exchange    // operation.    //    return (void *)_smp_cmpxchg( (volatile unsigned *)toFill, (unsigned)toCompare, (unsigned)newValue );}// ---------------------------------------------------------------------------//  Atomic increment and decrement methods// ---------------------------------------------------------------------------int XMLPlatformUtils::atomicIncrement(int &location){    atomic_add( &(volatile unsigned &)location, 1 );    return location;}int XMLPlatformUtils::atomicDecrement(int &location){    atomic_sub( &(volatile unsigned &)location, 1 );    return location;}// ---------------------------------------------------------------------------//  XMLPlatformUtils: Private Static Methods// ---------------------------------------------------------------------------////  This method is called by the platform independent part of this class//  during initialization. We have to create the type of net accessor that//  we want to use. If none, then just return zero.//XMLNetAccessor* XMLPlatformUtils::makeNetAccessor(){#if defined (XML_USE_NETACCESSOR_LIBWWW)    return new LibWWWNetAccessor();#else     return new SocketNetAccessor();#endif}////  This method is called by the platform independent part of this class//  when client code asks to have one of the supported message sets loaded.//  In our case, we use the ICU based message loader mechanism.//XMLMsgLoader* XMLPlatformUtils::loadAMsgSet(const XMLCh* const msgDomain){#if defined (XML_USE_ICU_MESSAGELOADER)    return new ICUMsgLoader(msgDomain);#else    return new InMemMsgLoader(msgDomain);#endif}////  This method is called very early in the bootstrapping process. This guy//  must create a transcoding service and return it. It cannot use any string//  methods, any transcoding services, throw any exceptions, etc... It just//  makes a transcoding service and returns it, or returns zero on failure.//XMLTransService* XMLPlatformUtils::makeTransService(){#if defined (XML_USE_ICU_TRANSCODER)    return new ICUTransService;#elif defined (XML_USE_GNU_TRANSCODER)    return new IconvGNUTransService;#else    #error You must provide a transcoding service implementation#endif}void XMLPlatformUtils::platformInit(){}void XMLPlatformUtils::platformTerm(){}#include <xercesc/util/LogicalPath.c>XERCES_CPP_NAMESPACE_END