Beispiel #1
0
void NSPluginLoader::scanPlugins()
{
  QRegExp version(";version=[^:]*:");

  // open the cache file
  QFile cachef(locate("data", "nsplugins/cache"));
  if (!cachef.open(IO_ReadOnly)) {
      kdDebug() << "Could not load plugin cache file!" << endl;
      return;
  }

  QTextStream cache(&cachef);

  // read in cache
  QString line, plugin;
  while (!cache.atEnd()) {
      line = cache.readLine();
      if (line.isEmpty() || (line.left(1) == "#"))
        continue;

      if (line.left(1) == "[")
        {
          plugin = line.mid(1,line.length()-2);
          continue;
        }

      QStringList desc = QStringList::split(':', line, TRUE);
      QString mime = desc[0].stripWhiteSpace();
      QStringList suffixes = QStringList::split(',', desc[1].stripWhiteSpace());
      if (!mime.isEmpty())
        {
          // insert the mimetype -> plugin mapping
          _mapping.insert(mime, new QString(plugin));

          // insert the suffix -> mimetype mapping
          QStringList::Iterator suffix;
          for (suffix = suffixes.begin(); suffix != suffixes.end(); ++suffix) {

              // strip whitspaces and any preceding '.'
              QString stripped = (*suffix).stripWhiteSpace();

              unsigned p=0;
              for ( ; p<stripped.length() && stripped[p]=='.'; p++ );
              stripped = stripped.right( stripped.length()-p );

              // add filetype to list
              if ( !stripped.isEmpty() && !_filetype.find(stripped) )
                  _filetype.insert( stripped, new QString(mime));
          }
        }
    }
}
Beispiel #2
0
int main( int argc, char **argv )
{
    KAboutData aboutData( "nspluginscan", "nsplugin", ki18n("nspluginscan"),
                          "0.3", ki18n("nspluginscan"), KAboutData::License_GPL,
                          ki18n("(c) 2000,2001 by Stefan Schimanski") );

    KCmdLineArgs::init( argc, argv, &aboutData );

    KCmdLineOptions options;
    options.add("verbose", ki18n("Show progress output for GUI"));
    KCmdLineArgs::addCmdLineOptions( options );
    KCmdLineArgs *args = KCmdLineArgs::parsedArgs();

    showProgress = args->isSet("verbose");
    if (showProgress) {
      printf("10\n"); fflush(stdout);
    }

    KApplication app(false);

    // Set up SIGCHLD handler
    struct sigaction act;
    act.sa_handler=sigChildHandler;
    sigemptyset(&(act.sa_mask));
    sigaddset(&(act.sa_mask), SIGCHLD);
    // Make sure we don't block this signal. gdb tends to do that :-(
    sigprocmask(SIG_UNBLOCK, &(act.sa_mask), 0);

    act.sa_flags = SA_NOCLDSTOP;

    // CC: take care of SunOS which automatically restarts interrupted system
    // calls (and thus does not have SA_RESTART)

#ifdef SA_RESTART
    act.sa_flags |= SA_RESTART;
#endif

    struct sigaction oldact;
    sigaction( SIGCHLD, &act, &oldact );


    // set up the paths used to look for plugins
    QStringList searchPaths = getSearchPaths();
    QStringList mimeInfoList;

    infoConfig = new KConfig( KGlobal::dirs()->saveLocation("data", "nsplugins") +
                              "/pluginsinfo" );
    infoConfig->group("<default>").writeEntry( "number", 0 );

    // open the cache file for the mime information
    QString cacheName = KGlobal::dirs()->saveLocation("data", "nsplugins")+"/cache";
    kDebug(1433) << "Creating MIME cache file " << cacheName;
    QFile cachef(cacheName);
    if (!cachef.open(QIODevice::WriteOnly))
        return -1;
    QTextStream cache(&cachef);
    if (showProgress) {
      printf("20\n"); fflush(stdout);
    }

    // read in the plugins mime information
    kDebug(1433) << "Scanning directories" << searchPaths;
    int count = searchPaths.count();
    int i = 0;
    for ( QStringList::const_iterator it = searchPaths.constBegin();
          it != searchPaths.constEnd(); ++it, ++i)
    {
        if ((*it).isEmpty())
            continue;
        scanDirectory( *it, mimeInfoList, cache );
        if (showProgress) {
          printf("%d\n", 25 + (50*i) / count ); fflush(stdout);
        }
    }

    if (showProgress) {
      printf("75\n"); fflush(stdout);
    }

    // We're done with forking,
    // KProcess needs SIGCHLD to be reset to what it was initially
    sigaction( SIGCHLD, &oldact, 0 );

    // delete old mime types
    kDebug(1433) << "Removing old mimetypes";
    const QStringList oldMimes = deletePluginMimeTypes();
    bool mimeTypesChanged = !oldMimes.isEmpty();

    if (showProgress) {
      printf("80\n");  fflush(stdout);
    }

    // write mimetype files
    kDebug(1433) << "Creating MIME type descriptions";
    QStringList mimeTypes;
    for ( QStringList::const_iterator it=mimeInfoList.constBegin();
          it!=mimeInfoList.constEnd(); ++it) {

      kDebug(1433) << "Handling MIME type " << *it;

      QStringList info = (*it).split(':', QString::KeepEmptyParts);
      if ( info.count()==4 ) {
          QString pluginName = info[0];
          QString type = info[1].toLower();
          QString extension = info[2];
          QString desc = info[3];

          // append to global mime type list
          if ( !mimeTypes.contains(type) ) {
              kDebug(1433) << " - mimeType=" << type;
              mimeTypes.append( type );

              // write or update mime type file, if
              // 1) it doesn't exist in ksycoca (meaning we never heard of it)
              // 2) or we just deleted it [it's still in ksycoca though]
              // This prevents noticing that a shared-mime-info upgrade brought
              // us a mimetype we needed; but doing this right requires launching
              // kbuildsycoca4 after removing mimetypes above, and that's really slow
              bool mustWriteMimeType = KMimeType::mimeType(type).isNull();
              if (!mustWriteMimeType)
                  mustWriteMimeType = oldMimes.contains(type);
              if ( mustWriteMimeType ) {
                  kDebug(1433) << " - creating MIME type description";
                  removeExistingExtensions( extension );
                  generateMimeType( type, extension, pluginName, desc );
                  mimeTypesChanged = true;
              } else {
                  kDebug(1433) << " - already exists";
              }
          }
        }
    }

    // done with new mimetypes, run update-mime-database
    if (mimeTypesChanged) {
        MimeTypeWriter::runUpdateMimeDatabase();
        // note that we'll run kbuildsycoca below anyway
    }

    if (showProgress) {
      printf("85\n"); fflush(stdout);
    }

    // close files
    kDebug(1433) << "Closing cache file";
    cachef.close();

    infoConfig->sync();
    delete infoConfig;

    // write plugin lib service file
    writeServicesFile( mimeTypes );
    if (showProgress) {
      printf("90\n"); fflush(stdout);
    }

    if (QDBusConnection::sessionBus().interface()->isServiceRegistered("org.kde.kded")) {
        // Tell kded to update sycoca database.
        QDBusInterface kbuildsycoca("org.kde.kded", "/kbuildsycoca",
                                    "org.kde.kded");
        kbuildsycoca.call("recreate");
    } else {
        // kded not running? fallback to calling kbuildsycoca directly:
        KProcess proc;
        proc << KStandardDirs::findExe(KBUILDSYCOCA_EXENAME);
        proc.setOutputChannelMode(KProcess::MergedChannels); // silence kbuildsycoca output
        proc.execute();
    }
}