/* * Copyright 1999-2004 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: Tru64PlatformUtils.cpp,v 1.18 2004/09/08 13:56:43 peiyongz Exp $ */// ---------------------------------------------------------------------------//  Includes// ---------------------------------------------------------------------------#if !defined (APP_NO_THREADS)#include    <pthread.h>#endif // APP_NO_THREADS#include <stdio.h>#include <stdlib.h>#include <time.h>#include <unistd.h>#include    <xercesc/util/Janitor.hpp>#include    <xercesc/util/PlatformUtils.hpp>#include    <xercesc/util/RuntimeException.hpp>#include    <xercesc/util/Mutexes.hpp>#include    <xercesc/util/XMLString.hpp>#include    <xercesc/util/XMLUni.hpp>#include    <xercesc/util/XMLUniDefs.hpp>#include    <xercesc/util/PanicHandler.hpp>#include    <xercesc/util/OutOfMemoryException.hpp>////  These control which transcoding service is used by the Tru64 version.//  They allow this to be controlled from the build process by just defining//  one of these values.//#if defined (XML_USE_ICU_TRANSCODER)#include <xercesc/util/Transcoders/ICU/ICUTransService.hpp>#else   // use native transcoder#include <xercesc/util/Transcoders/Iconv/IconvTransService.hpp>#endif////  These control which message loading service is used by the Tru64 version.//  They allow this to be controlled from the build process by just defining//  one of these values.//#if defined (XML_USE_ICU_MESSAGELOADER)#include <xercesc/util/MsgLoaders/ICU/ICUMsgLoader.hpp>#elif defined (XML_USE_ICONV_MESSAGELOADER)#include <xercesc/util/MsgLoaders/MsgCatalog/MsgCatalogLoader.hpp>#else   // use In-memory message loader#include <xercesc/util/MsgLoaders/InMemory/InMemMsgLoader.hpp>#endif#if defined (XML_USE_NETACCESSOR_LIBWWW)#include <xercesc/util/NetAccessors/libWWW/LibWWWNetAccessor.hpp>#elif defined (XML_USE_NETACCESSOR_SOCKET)#include <xercesc/util/NetAccessors/Socket/SocketNetAccessor.hpp>#endifXERCES_CPP_NAMESPACE_BEGIN// ---------------------------------------------------------------------------//  XMLPlatformUtils: Private Static Methods// ---------------------------------------------------------------------------XMLNetAccessor* XMLPlatformUtils::makeNetAccessor()#if defined (XML_USE_NETACCESSOR_LIBWWW){    return new LibWWWNetAccessor();}#elif defined (XML_USE_NETACCESSOR_SOCKET){    return new SocketNetAccessor();}#else{    return 0;}#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){  XMLMsgLoader* retVal;  try  {#if defined (XML_USE_ICU_MESSAGELOADER)    retVal = new ICUMsgLoader(msgDomain);#elif defined (XML_USE_ICONV_MESSAGELOADER)    retVal = new MsgCatalogLoader(msgDomain);#else    retVal = new InMemMsgLoader(msgDomain);#endif  }  catch(const OutOfMemoryException&)  {    throw;  }  catch(...)  {    panic(PanicHandler::Panic_CantLoadMsgDomain);  }  return retVal;}////  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_ICONV_TRANSCODER){  return new IconvTransService;}#else // Use Native transcoding service{  return new IconvTransService;}#endif// ---------------------------------------------------------------------------//  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){  // Get the current position  int curPos = ftell( (FILE*)theFile);  if (curPos == -1)    ThrowXMLwithMemMgr(XMLPlatformUtilsException,	     XMLExcepts::File_CouldNotGetSize, manager);  return (unsigned int)curPos;}void XMLPlatformUtils::closeFile(FileHandle theFile                                 , MemoryManager* const manager){  if (fclose((FILE*) theFile))    ThrowXMLwithMemMgr(XMLPlatformUtilsException,	     XMLExcepts::File_CouldNotCloseFile, manager);}unsigned int XMLPlatformUtils::fileSize(FileHandle theFile                                        , MemoryManager* const manager){  // Get the current position  long  int curPos = ftell((FILE*) theFile);  if (curPos == -1)    ThrowXMLwithMemMgr(XMLPlatformUtilsException,	     XMLExcepts::File_CouldNotGetCurPos, manager);  // Seek to the end and save that value for return  if (fseek( (FILE*) theFile, 0, SEEK_END) )    ThrowXMLwithMemMgr(XMLPlatformUtilsException,	     XMLExcepts::File_CouldNotSeekToEnd, manager);  long int retVal = ftell((FILE*) theFile);  if (retVal == -1)    ThrowXMLwithMemMgr(XMLPlatformUtilsException,	     XMLExcepts::File_CouldNotSeekToEnd, manager);  // And put the pointer back  if (fseek((FILE*) theFile, curPos, SEEK_SET))    ThrowXMLwithMemMgr(XMLPlatformUtilsException,	     XMLExcepts::File_CouldNotSeekToPos, manager);  return (unsigned int)retVal;}FileHandle XMLPlatformUtils::openFile(const char* const fileName                                      , MemoryManager* const manager){  FileHandle retVal = (FILE*)fopen( fileName , "rb" );  if (retVal == NULL)    return 0;  return retVal;}FileHandle XMLPlatformUtils::openFile(const XMLCh* const fileName                                      , MemoryManager* const manager){  const char* tmpFileName = XMLString::transcode(fileName, manager);  ArrayJanitor<char> janText((char*)tmpFileName, manager);  FileHandle retVal = (FILE*)fopen( tmpFileName , "rb" );  if (retVal == NULL)    return 0;  return retVal;}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" );}unsigned int XMLPlatformUtils::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