File indexing completed on 2024-12-08 13:34:30

 /***************************************************************************
                           batchrenamer.cpp  -  description
                              -------------------
     begin                : Sat Aug 18 2001
     copyright            : (C) 2001 by Dominik Seichter
     email                : domseichter@web.de
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include "batchrenamer.h"
 
 #include <QtGlobal>
 
 #ifdef Q_OS_WIN
 #include <windows.h>
 #endif
 
 // OS includes
 #include <stdio.h>
 #ifndef Q_OS_WIN
 #include <unistd.h>
 #endif
 
 #include "../config-krename.h"
 
 // chmod:
 #include <sys/types.h>
 #include <sys/stat.h>
 
 // QT includes
 #include <QTextStream>
 
 // KDE includes
 #include <kio/job.h>
 #include <KIO/MkpathJob>
 #include <KJobWidgets>
 
 // Own includes
 #include "progressdialog.h"
 #include "pluginloader.h"
 #include "plugin.h"
 
 using namespace KIO;
 
 static bool isToken(const QChar &token)
 {
     const QChar tokens[] = {
         QChar('&'),
         QChar('$'),
         QChar('%'),
         QChar('#'),
         QChar('['),
         QChar(']'),
         QChar('\\'),
         QChar('/'),
         QChar('{'),
         QChar('}'),
         QChar('*')
     };
     const int count = 11;
 
     for (int i = 0; i < count; i++)
         if (token == tokens[i]) {
             return true;
         }
 
     return false;
 }
 
 static int getNextToken(const QString &text, QString &token, int pos = 0)
 {
     bool escaped = false;
     token.clear();
 
     if (pos < 0) {
         return -1;
     }
 
     while (pos < text.length()) {
         if (!escaped && text[pos] == QChar('\\')) {
             escaped = true;
         } else if (!escaped && isToken(text[pos])) {
             token = text[pos];
             return ++pos;
         } else {
             escaped = false;
         }
 
         ++pos;
     }
 
     return -1;
 }
 
 BatchRenamer::BatchRenamer()
     : m_index(0), m_step(1), m_files(nullptr), m_renameMode(eRenameMode_Rename)
 {
     m_counter_index = 0;
     m_reset         = false;
     m_overwrite     = false;
 }
 
 BatchRenamer::~BatchRenamer()
 {
 }
 
 void BatchRenamer::processFilenames()
 {
     m_counters.clear();
 
     for (unsigned int i = 0; i < static_cast<unsigned int>(m_files->count()); i++) {
         m_counter_index = 0;
         if (m_renameMode == eRenameMode_Rename) { // final Path = source Path
             (*m_files)[i].setDstDirectory((*m_files)[i].srcDirectory());
 
             QUrl url = (*m_files)[i].srcUrl();
             url = url.adjusted(QUrl::RemoveFilename);
 
             (*m_files)[i].setDstUrl(url);
 
         } else {
             (*m_files)[i].setDstUrl(m_destination);
             (*m_files)[i].setDstDirectory(m_destination.path());
         }
 
         if (i > 0 && m_reset) {
             findCounterReset(i);
         }
 
         //qDebug("SRCFILENAME       : %s", (*m_files)[i].srcFilename().toUtf8().data() );
         //qDebug("DSTFILENAME SHOULD: %s", processString( text, (*m_files)[i].srcFilename(), i ).toUtf8().data() );
         (*m_files)[i].setDstFilename(processString(text, (*m_files)[i].srcFilename(), i));
         //qDebug("DSTFILENAME IS    : %s", (*m_files)[i].dstFilename().toUtf8().data());
         (*m_files)[i].setDstExtension(processString(extext, (*m_files)[i].srcExtension(), i));
 
         // Let's run the plugins that change the final filename,
         // i.e the encodingsplugin
         int errors = 0;
         QString name = executePlugin(i, (*m_files)[i].dstFilename(), ePluginType_Filename, errors, nullptr);
         if (!name.isNull()) {
             (*m_files)[i].setDstFilename(name);
         }
 
         /*
          * take care of renamed directories and
          * correct the paths of their contents
          */
         if ((m_renameMode == eRenameMode_Rename ||
                 m_renameMode == eRenameMode_Move) &&
                 (*m_files)[i].isDirectory()) {
             const QString topDir  = (*m_files)[i].realSrcDirectory() + '/' + (*m_files)[i].srcFilename();
             const QString replace = (*m_files)[i].dstDirectory() + '/' + (*m_files)[i].dstFilename();
 
             for (int z = i + 1; z < m_files->count(); z++) {
                 const QString &dir = (*m_files)[z].realSrcDirectory();
                 if (dir.startsWith(topDir)) {
                     QString newDir = replace + dir.right(dir.length() - topDir.length());
                     if (newDir != dir) {
                         (*m_files)[z].setOverrideSrcDirectory(newDir);
                     }
                 }
             }
         }
 
 #if 0
         if (m_files[i].dir && (m_mode == RENAME || m_mode == MOVE)) {
             for (unsigned int c = i; c < m_files.count(); c++) {
                 if (m_files[c].src.directory.left(m_files[i].src.name.length() + 1)
                         == (m_files[i].src.name + "/")) {
 
                     m_files[c].src.directory.replace(0, m_files[i].src.name.length(), m_files[i].dst.name);
                     m_files[c].src.url.setPath(BatchRenamer::buildFilename(&m_files[c].src, true));
                 }
             }
         }
 #endif // 0
     }
 }
 
 void BatchRenamer::processFiles(ProgressDialog *p)
 {
     int     errors = 0;
     QUrl    dest   = (*m_files)[0].dstUrl();
     // TODO: error handling if dest is empty
 
     // Give the user some information...
     p->setProgressTotalSteps(m_files->count());
     p->setProgress(0);
     p->setDestination(dest);
 
     switch (m_renameMode) {
     default:
     case eRenameMode_Rename:
         p->print(i18n("Input files will be renamed."));
         break;
     case eRenameMode_Copy:
         p->print(i18n("Files will be copied to: %1", dest.toDisplayString(QUrl::PreferLocalFile)));
         break;
     case eRenameMode_Move:
         p->print(i18n("Files will be moved to: %1", dest.toDisplayString(QUrl::PreferLocalFile)));
         break;
     case eRenameMode_Link:
         p->print(i18n("Symbolic links will be created in: %1", dest.toDisplayString(QUrl::PreferLocalFile)));
         break;
     }
 
     for (unsigned int i = 0; i < static_cast<unsigned int>(m_files->count()); i++) {
         QUrl    dstUrl    = this->buildDestinationUrl((*m_files)[i]);
 
         //p->print( QString( "%1 -> %2" ).arg( (*m_files)[i].srcUrl().prettyUrl() ).arg( dstUrl.toDisplayString() ) );
         p->setProgress(i + 1);
 
         if (p->wasCancelled()) {
             break;
         }
 
         // Assemble filenames
         createMissingSubDirs(dstUrl, p);
 
         KIO::JobFlags flags  = (m_overwrite ? KIO::Overwrite : KIO::DefaultFlags) | KIO::HideProgressInfo;
         KIO::Job     *job    = nullptr;
         const QUrl &srcUrl = (*m_files)[i].srcUrl();
         if (srcUrl == dstUrl) {
             p->warning(i18n("Cannot rename: source and target filename are equal: %1", srcUrl.toDisplayString(QUrl::PreferLocalFile)));
             //(*m_files)[i].setError( 1 );
             //errors++;
             continue;
         }
 
         switch (m_renameMode) {
         default:
         case eRenameMode_Rename:
         case eRenameMode_Move:
             job = KIO::file_move(srcUrl, dstUrl, -1, flags);
             break;
         case eRenameMode_Copy:
             job = KIO::file_copy(srcUrl, dstUrl, -1, flags);
             break;
         case eRenameMode_Link: {
             if (!srcUrl.isLocalFile()) {
                 // We can only do symlinks to local urls
                 p->error(i18n("Cannot create symlink to non-local URL: %1", srcUrl.toDisplayString()));
                 (*m_files)[i].setError(1);
                 errors++;
             } else {
                 job = KIO::symlink(srcUrl.path(), dstUrl, flags);
             }
 
             break;
         }
         }
 
         if (job) {
             KJobWidgets::setWindow(job, p);
             if (!job->exec()) {
                 p->error(i18n("Error renaming %2 (to %1)",
                               dstUrl.toDisplayString(QUrl::PreferLocalFile),
                               srcUrl.toDisplayString(QUrl::PreferLocalFile)));
                 (*m_files)[i].setError(job->error());
                 errors++;
             }
         }
 
         /*
          * The renamed file should be on its correct location now,
          * so that we can call the last plugins (e.g. for changing permissions)
          *
          * Remember, the token argument is the filename for this type of plugins!
          *
          * If the return value is not empty an error has occurred!
          * The plugin should return an error message in this case!
          */
         int errorCount = 0;
         this->executePlugin(i, dstUrl.path(), ePluginType_File, errorCount, p);
         errors += errorCount;
     }
 
     if (errors > 0) {
         p->warning(i18np("%1 error occurred.", "%1 errors occurred.", errors));
     }
 
     p->print(i18n("KRename finished the renaming process."), "krename");
     p->print(i18n("Press close to quit."));
     bool enableUndo = (m_renameMode != eRenameMode_Copy);
     p->renamingDone(true, enableUndo, this, errors);
 
 #if 0
     delete object;
     t.start();
 
     m_counters.clear();
 
     for (unsigned int i = 0; i < m_files->count(); i++) {
         m_counter_index = 0;
 
         if (m_mode == RENAME) { // final Path = source Path
             m_files[i].dst.directory = m_files[i].src.directory;
             m_files[i].dst.url = m_files[i].src.url;
             m_files[i].dst.url.setFileName(QString::null);
         } else {
             m_files[i].dst.directory = m_destination.path();
             m_files[i].dst.url = m_destination;
         }
 
         if (i == 0) {
             p->setDestination(m_files[i].dst.url);
         } else {
             if (m_reset) {
                 findCounterReset(i);
             }
         }
 
         m_files[i].dst.name = processString(text, m_files[i].src.name, i);
         if (!extext.isEmpty()) {
             m_files[i].dst.extension = processString(extext, m_files[i].src.extension, i);
         }
 
         // Assemble filenames
         parseSubdirs(&m_files[i]);
         // TODO: DOM
         // ESCAPE HERE
 
         m_files[i].src.name = BatchRenamer::buildFilename(&m_files[i].src, true);
 
         // Let's run the plugins that change the final filename,
         // i.e the encodingsplugin
         m_files[i].dst.name = parsePlugins(i, m_files[i].dst.name, TYPE_FINAL_FILENAME);
 
         m_files[i].dst.name = BatchRenamer::buildFilename(&m_files[i].dst, true);
 
         /*
          * take care of renamed directories and
          * correct the paths of their contents
          */
         if (m_files[i].dir && (m_mode == RENAME || m_mode == MOVE)) {
             for (unsigned int c = i; c < m_files.count(); c++) {
                 if (m_files[c].src.directory.left(m_files[i].src.name.length() + 1)
                         == (m_files[i].src.name + "/")) {
 
                     m_files[c].src.directory.replace(0, m_files[i].src.name.length(), m_files[i].dst.name);
                     m_files[c].src.url.setPath(BatchRenamer::buildFilename(&m_files[c].src, true));
                 }
             }
         }
     }
 
     p->print(QString(i18n("Filenames Processed after %1 seconds.", t.elapsed() / 1000)));
 
     work(p);
 #endif // 0
 }
 
 void BatchRenamer::undoFiles(ProgressDialog *p)
 {
     int     errors = 0;
     QUrl    dest   = (*m_files)[0].dstUrl();
 
     // Give the user some information...
     p->setProgressTotalSteps(m_files->count());
     p->setProgress(0);
     p->setDestination(dest);
     p->print(i18n("Undoing all renamed files."));
 
     for (unsigned int i = 0; i < static_cast<unsigned int>(m_files->count()); i++) {
         QUrl dstUrl = this->buildDestinationUrl((*m_files)[i]);
 
         //p->print( QString( "%1 -> %2" ).arg( (*m_files)[i].srcUrl().prettyUrl() ).arg( dstUrl.toDisplayString() ) );
         p->setProgress(i + 1);
 
         if (p->wasCancelled()) {
             break;
         }
 
         KIO::JobFlags flags = (m_overwrite ? KIO::Overwrite : KIO::DefaultFlags) | KIO::HideProgressInfo;
         KIO::Job     *job   = nullptr;
         switch (m_renameMode) {
         default:
         case eRenameMode_Rename:
         case eRenameMode_Move:
             job = KIO::file_move(dstUrl, (*m_files)[i].srcUrl(), -1, flags);
             break;
         case eRenameMode_Link:
             // In case of link delete created file
             job = KIO::file_delete(dstUrl, KIO::HideProgressInfo);
             break;
         case eRenameMode_Copy: // no undo possible
             // TODO: Maybe we should delete the created files
             break;
         }
 
         if (job) {
             KJobWidgets::setWindow(job, p);
             if (!job->exec()) {
                 p->error(i18n("Error during undoing %1", dstUrl.toDisplayString(QUrl::PreferLocalFile)));
                 (*m_files)[i].setError(job->error());
                 errors++;
             }
         }
 
     }
 
     if (errors > 0) {
         p->warning(i18np("%1 error occurred.", "%1 errors occurred.", errors));
     }
 
     p->print(i18n("KRename finished the undo process."), "krename");
     p->print(i18n("Press close to quit."));
     p->renamingDone(false, false, this, errors);   // do not allow undo from undo
 
 }
 
 QString BatchRenamer::processBrackets(QString text, int *length, const QString &oldname, int index)
 {
     int  pos   = 0;
     QString token;
     QString result;
 
     *length = 0;
 
     // MSG: qDebug("processBrackets: %s\n", text.toUtf8().data() );
     while ((pos = getNextToken(text, token, pos)) != -1) {
         if (token == "[") {
             int localLength = 0;
             QString substitute = processBrackets(text.right(text.length() - pos), &localLength, oldname, index);
             text.replace(pos - 1, localLength, substitute);
             // MSG: qDebug("substituted: %s\n", text.toUtf8().data() );
             // Assure that *length does not become negative,
             // this will cause infinite loops
             if (localLength < substitute.length()) {
                 *length += localLength;
             } else {
                 *length += (localLength - substitute.length());
             }
         } else if (token == "]") {
             // Done with this token
             // MSG: qDebug("END: %s\n", text.left( pos - 1 ).toUtf8().data() );
             result = findToken(oldname, text.left(pos - 1), index);
             *length += pos + 1;
             break;
         }
     }
     // MSG: qDebug("processedBrackets: %s\n", result.toUtf8().data() );
 
     /*
 
       if( pos != -1 )
       {
       result = findToken( oldname, text.left( pos - 1 ), index );
       *length = pos+1; // skip any closing bracket
       }
     */
     return result;
 }
 
 QString BatchRenamer::processNumber(int length, const QString &appendix)
 {
     tCounterValues countervalues;
     countervalues.start = m_index;
     countervalues.step = m_step;
 
     if (!appendix.isEmpty()) {
         bool ok = false;
         int tmp = appendix.section(';', 0, 0).toInt(&ok);     // first section = start index
         if (ok) {
             countervalues.start = tmp;
         }
 
         tmp = appendix.section(';', 1, 1).toInt(&ok);    // second section = stepping
         if (ok) {
             countervalues.step = tmp;
         }
     }
 
     if ((signed int)m_counters.count() <= m_counter_index) {
         countervalues.value = countervalues.start - countervalues.step;
         // other wise the counter would start at:
         // start + step instead of start
         m_counters.append(countervalues);
     }
 
     do {
         m_counters[m_counter_index].value += m_counters[m_counter_index].step;
     } while (m_skip.contains(m_counters[m_counter_index].value));
 
     QString number;
     number.sprintf("%0*i", length, m_counters[m_counter_index].value);
 
     ++m_counter_index;
     return number;
 }
 
 QString BatchRenamer::processString(QString text, const QString &originalName, int index, bool doFindReplace)
 {
     QString oldname = originalName;
     doEscape(oldname);
 
     // Parse into tokens
     int pos = 0;
     QString token;
     while ((pos = getNextToken(text, token, pos)) != -1) {
 
         // Handle simple tokens
         if (token == "$") {
             text.replace(pos - 1, token.length(), oldname);
             pos += oldname.length() - 1;
         } else if (token == "%") {
             text.replace(pos - 1, token.length(), oldname.toLower());
             pos += oldname.length() - 1;
         } else if (token == "&") {
             text.replace(pos - 1, token.length(), oldname.toUpper());
             pos += oldname.length() - 1;
         } else if (token == "*") {
             QString tmp = capitalize(oldname);
 
             text.replace(pos - 1, token.length(), tmp);
             pos += tmp.length() - 1;
         } else if (token == "[") {
             int length = 0;
             QString substitute = processBrackets(text.right(text.length() - pos), &length, oldname, index);
             text.replace(pos - 1, length, substitute);
             if (substitute.length() > 0) {
                 pos += substitute.length() - 1;
             }
         } else if (token == "]") {
             // Ignore
         } else if (token == "#") {
             int curPos = pos;
             int count  = 1;
             while (text[curPos] == '#') {
                 ++curPos;
                 count++;
             }
 
             int length = curPos - pos + 1;
             int appendixLength = 0;
             QString appendix;
             if (text[curPos] == '{') {
                 int     appendixPos = curPos + 1;
                 QString appendixToken;
                 while ((appendixPos = getNextToken(text, appendixToken, appendixPos)) != -1) {
                     if (appendixToken == "}") {
                         break;
                     }
                 }
 
                 if (appendixPos == -1) {
                     // Do go into endless loop if token is not completed correctly
                     appendixPos = text.length();
                 }
 
                 // -2 because we have to go, before the current found token
                 appendix = text.mid(curPos + 1, appendixPos - curPos - 2);
                 appendixLength = appendixPos - curPos;
             }
 
             QString number   = processNumber(count, appendix);
             text.replace(pos - 1, (length + appendixLength), number);
 
             if (number.length() > 0) {
                 pos += number.length() - 1;
             }
         }
     }
 
     //text = parsePlugins( i, text, TYPE_TOKEN );
 
     /*
      * Replace after Plugins !
      * Replace should be the last the
      * before re-escaping tokens !
      */
     if (doFindReplace) {
         text = findReplace(text, originalName, index);
     }
     text = unEscape(text);
     return text;
 }
 
 QString BatchRenamer::capitalize(const QString &text) const
 {
     QString tmp = text.toLower();
     if (tmp[0].isLetter()) {
         tmp[0] = tmp[0].toUpper();
     }
 
     for (int i = 0; i < tmp.length(); i++)
         if (tmp[i + 1].isLetter() && !tmp[i].isLetter() &&
                 tmp[i] != '\'' && tmp[i] != '?' && tmp[i] != '`') {
             tmp[i + 1] = tmp[i + 1].toUpper();
         }
 
     return tmp;
 }
 
 QString BatchRenamer::executePlugin(int index, const QString &filenameOrPath, int type, int &errorCount, ProgressDialog *p)
 {
     const QList<Plugin *> &plugins = PluginLoader::Instance()->plugins();
     QList<Plugin *>::const_iterator it = plugins.begin();
 
     errorCount = 0;
     QString ret = filenameOrPath;
     while (it != plugins.end()) {
         if ((*it)->isEnabled() && ((*it)->type() & type)) {
             // Every plugin should use the return value of the previous as the new filename to work on
             ret = (*it)->processFile(this, index, ret, static_cast<EPluginType>(type));
             if (type == ePluginType_File) {
                 if (! ret.isEmpty()) {
                     // An error occurred -> report it
                     if (p != nullptr) {
                         p->error(ret);
                     }
                     ++errorCount;
                 }
 
                 ret = filenameOrPath;
             }
         }
 
         ++it;
     }
 
     return ret;
 }
 
 void BatchRenamer::work(ProgressDialog *)
 {
 #if 0
     // TODO: use CopyJob here
 
     FileOperation fop;
     QFile *fundo(NULL);
     QTextStream *tundo(NULL);
 
     if (undo) {
         // Create header for undo script
         fundo = new QFile(m_undoScript);
         if (fundo->open(IO_WriteOnly)) {
             tundo = new QTextStream(fundo);
             writeUndoScript(tundo);
         } else {
             undo = false;
             p->error(i18n("Cannot create undo script: %1", fundo->name()));
             delete fundo;
         }
     }
 
     int error = 0;
     RenamedList *renamedFiles = new RenamedList[m_files.count()];
     p->setProgressTotalSteps(m_files.count() + 1);
 
     /*
      * Give the user some information...
      */
     if (m_mode == COPY) {
         p->print(i18n("Files will be copied to: %1", m_files[0].dst.directory));
     } else if (m_mode == MOVE) {
         p->print(i18n("Files will be moved to: %1", m_files[0].dst.directory));
     } else if (m_mode == LINK) {
         p->print(i18n("Symbolic links will be created in: %1", m_files[0].dst.directory));
     } else if (m_mode == RENAME) {
         p->print(i18n("Input files will be renamed."));
     }
 
     unsigned int i;
     for (i = 0; i < m_files.count(); i++) {
         p->setProgress(i + 1);
 
         if (p->wasCancelled()) {
             break;
         }
 
         KURL src = m_files[i].src.url;
         KURL dst = m_files[i].dst.url;
         dst.setPath(m_files[i].dst.name);
 
         renamedFiles[i].src = src;
         renamedFiles[i].dst = dst;
         renamedFiles[i].dir = m_files[i].dir;
 
         FileOperation fop;
         if (!fop.start(src, dst, m_mode, overwrite)) {
             p->error(fop.error());
             renamedFiles[i].error = true;
             error++;
             continue;
         } else {
             renamedFiles[i].error = false;
         }
 
         // TODO: overwriting of files!
         /*
          * The renamed file should be on its correct location now,
          * so that we can call the last plugins (e.g. for changing permissions)
          *
          * Remember, the token argument is the filename for this type of plugins!
          *
          * If the return value is not empty an error has occurred!
          * The plugin should return an error message in this case!
          */
 
         QString eplug = parsePlugins(i, QString::null, TYPE_FINAL_FILE);
         if (!eplug.isEmpty()) {
             p->error(eplug);
             error++;
         }
 
         /* Create the undo script now */
         if (undo)
             if (dst.isLocalFile() && src.isLocalFile()) {
                 // Plugins ???
                 (*tundo) << "echo \"" << dst.fileName()
                          << " -> " << src.fileName() << "\"" << endl;
                 (*tundo) << "mv -f \"" << m_files[i].dst.name
                          << "\" \"" << m_files[i].src.name << "\"" << endl;
             } else {
                 p->warning(i18n("Undo is not possible for remote file: %1", dst.prettyURL()));
             }
 
     }
 
     if (!p->wasCancelled()) {
         QPtrListIterator<PluginLoader::PluginLibrary> it(plug->libs);
         for (; it.current(); ++it) {
             if ((*it)->usePlugin) {
                 (*it)->plugin->finished();
             }
         }
     }
 
     const QString m = i18n("Renamed %1 files successfully.", i - error);
     (i - error) ? p->print(m) : p->warning(m);
 
     if (error > 0) {
         p->warning(i18np("%1 error occurred.", "%1 errors occurred.", error));
     }
 
     p->print(i18n("Elapsed time: %1 seconds", t.elapsed() / 1000), "kalarm");
     p->print(i18n("KRename finished the renaming process."), "krename");
     p->print(i18n("Press close to quit."));
     p->setRenamedFiles(renamedFiles, m_files.count());
 
     if (undo) {
         (*tundo) << endl << "echo \"Finished undoing " << m_files.count() << " actions.\"" << endl;
         delete tundo;
         fundo->close();
 
         // Make fundo exuteable
         if (chmod((const char *)m_undoScript, (unsigned int) S_IRUSR | S_IWUSR | S_IXUSR)) {
             p->error(i18n("Cannot set executable bit on undo script."));
         }
         delete fundo;
     }
 
     p->done(error, i - error, m_mode == MOVE || m_mode == RENAME);
     m_files.clear();
     delete []renamedFiles;
     delete this;
 #endif // 0
 }
 
 const QUrl BatchRenamer::buildDestinationUrl(const KRenameFile &file) const
 {
     QUrl    dstUrl    = file.dstUrl();
     QString directory = file.dstDirectory();
     QString filename  = file.dstFilename();
     QString extension = file.dstExtension();
     QString manual    = file.manualChanges();
 
     if (!extension.isEmpty()) {
         filename += '.';
         filename += extension;
     }
 
     if (!manual.isNull()) {
         filename = manual;
     }
 
     dstUrl.setPath(directory + '/' +  filename);
 
     return dstUrl;
 }
 
 void BatchRenamer::escape(QString &text, const QString &token, const QString &sequence)
 {
     text.replace(token, sequence);
 }
 
 QString &BatchRenamer::doEscape(QString &text)
 {
     BatchRenamer::escape(text, "\\", "\\\\");
     BatchRenamer::escape(text, "&", "\\&");
     BatchRenamer::escape(text, "$", "\\$");
     BatchRenamer::escape(text, "%", "\\%");
     BatchRenamer::escape(text, "#", "\\#");
     BatchRenamer::escape(text, "[", "\\[");
     BatchRenamer::escape(text, "]", "\\]");
     BatchRenamer::escape(text, "/", "\\/");
     BatchRenamer::escape(text, "{", "\\{");
     BatchRenamer::escape(text, "}", "\\}");
     BatchRenamer::escape(text, "*", "\\*");
 
     return text;
 }
 
 QString &BatchRenamer::unEscape(QString &text)
 {
     BatchRenamer::escape(text, "\\\\", "\\");
     BatchRenamer::escape(text, "\\&", "&");
     BatchRenamer::escape(text, "\\$", "$");
     BatchRenamer::escape(text, "\\%", "%");
     BatchRenamer::escape(text, "\\#", "#");
     BatchRenamer::escape(text, "\\[", "[");
     BatchRenamer::escape(text, "\\]", "]");
     // %252f == /, it seems that filenames on unix cannot contain
     // a /. So I use %252f, at least konqui displays it correctly
     // this was needed, so that plugins that return a slash do not cause errors
     BatchRenamer::escape(text, "\\/", "%2f");
     BatchRenamer::escape(text, "\\{", "{");
     BatchRenamer::escape(text, "\\}", "}");
     BatchRenamer::escape(text, "\\*", "*");
 
     return text;
 }
 
 QString BatchRenamer::processToken(QString token, QString oldname, int i)
 {
     QString tmp;
 
     /*
      * Call here all functions that handle
      * arguments in brackets.
      */
     tmp = findPartStrings(oldname, token);
     if (!tmp.isEmpty()) {
         return tmp;
     }
 
     tmp = findDirName(token, (*m_files)[i].srcDirectory());
     if (!tmp.isEmpty()) {
         return tmp;
     }
 
     tmp = findLength(token, (*m_files)[i].srcFilename());
     if (!tmp.isEmpty()) {
         return tmp;
     }
 
     tmp = findTrimmed(token, (*m_files)[i].srcFilename(), i);
     if (!tmp.isEmpty()) {
         return tmp;
     }
 
     tmp = findDirSep(token, (*m_files)[i].srcFilename());
     if (!tmp.isEmpty()) {
         return tmp;
     }
 
     Plugin *p = PluginLoader::Instance()->findPlugin(token);
     if (p) {
         tmp = p->processFile(this, i, token, ePluginType_Token);
         if (!tmp.isNull()) {
             doEscape(tmp);
             return tmp;
         }
     }
 
     /*
      * Maybe I should remove this!
      * KRename simply ignores unknown tokens!
      * Useful for the MP3 Plugin!
      */
     return QString();
 }
 
 QString BatchRenamer::findToken(const QString &oldname, QString token, int i)
 {
     enum conversion { LOWER, UPPER, MIXED, STAR, NONE, EMPTY, NUMBER };
     unsigned int numwidth = 0;
 
     conversion c = EMPTY;
     if (!token.left(1).compare("$")) {
         c = NONE;
     } else if (!token.left(1).compare("%")) {
         c = LOWER;
     } else if (!token.left(1).compare("&")) {
         c = UPPER;
     } else if (!token.left(1).compare("")) {
         c = MIXED;
     } else if (!token.left(1).compare("*")) {
         c = STAR;
     } else if (!token.left(1).compare("#")) {
         while (!token.left(1).compare("#")) {
             token.remove(0, 1);
             ++numwidth;
         }
 
         c = NUMBER;
     }
 
     if (c != EMPTY && c != NUMBER) {
         token.remove(0, 1);
     }
 
     QString save = token;
     token = processToken(token, oldname, i);
 
     switch (c) {
     case LOWER:
         token = token.toLower();
         break;
     case UPPER:
         token = token.toUpper();
         break;
     case MIXED:
         token = token.toLower();
         token.replace(0, 1, token[0].toUpper());
         break;
     case STAR:
         token = capitalize(token);
         break;
     case NUMBER: {
         bool b = false;
         int n = token.toInt(&b);
         if (b) {
             token = token.sprintf("%0*i", numwidth, n);
         }
     }
     break;
     default:
         break;
     }
 
     return token;
 }
 
 QString BatchRenamer::findPartStrings(QString oldname, QString token)
 {
     QString first, second;
     int pos = -1;
 
     // MSG: qDebug("PART: %s", token.toUtf8().data() );
     // parse things like [2;4{[dirname]}]
     if (token.count('{') >= 1 && token.count('}') >= 1) {
         int pos = token.indexOf('{');
         oldname = token.mid(pos + 1, token.lastIndexOf('}') - pos - 1);
         token = token.left(pos);
     }
 
     if (token.contains('-')) {
         pos = token.indexOf('-', 0);
         first = token.left(pos);
         // ------- Code OK ^ !
 
         second = token.mid(pos + 1, token.length());
 
         // version < 1.7
         // return oldname.mid( first.toInt()-1, second.toInt()-first.toInt() +1 );
         // version > 1.7
         //return oldname.mid( first.toInt()-1, second.toInt()-first.toInt() );
         // version > 1.8
 
         bool ok;
         int sec = second.toInt(&ok);
         if (!ok || sec == 0) {
             sec = oldname.length();
         }
 
         /*
          * x should not be larger than the old name
          * and not smaller than zero.
          */
         int x = sec - first.toInt(&ok);
         // if first is no number, but for example length, we return here so that findLength can do its job
         if (!ok) {
             return QString();
         }
 
         if (x > (signed int)oldname.length() || x < 0) {
             x = oldname.length() - first.toInt();
         }
 
         /*
          * if I would comment my code I would understand this line :)
          * without this line, there is sometimes the last letter
          * of a filename missing.
          */
         if (x != -1) {
             x++;
         }
 
         oldname = unEscape(oldname);
 
         return oldname.mid(first.toInt() - 1, x);
     } else if (token.contains(';')) {
         pos = token.indexOf(';', 0);
 
         first = token.left(pos);
         second = token.mid(pos + 1, token.length());
 
         oldname = unEscape(oldname);
 
         return oldname.mid(first.toInt() - 1, second.toInt());
     } else {
         bool ok = false;
         int number = token.toInt(&ok);
 
         oldname = unEscape(oldname);
 
         if (ok && (number <= (signed int)oldname.length() && number > 0)) {
             return QString(oldname[ number - 1 ]);
         } else {
             return QString();
         }
     }
 }
 
 QString BatchRenamer::findDirName(QString token, QString path)
 {
     if (token.toLower().startsWith(QLatin1String("dirname"))) {
         if (path.right(1) == "/") {
             path = path.left(path.length() - 1);
         }
 
         int recursion = 1;
         if (token.length() > 7) {
             token = token.right(token.length() - 7);
             recursion = token.count('.');
             if (recursion != (signed int)token.length()) {
                 return QString();
             }
 
             recursion++;
         }
 
         return path.section("/", recursion * -1, recursion * -1);
     }
 
     return QString();
 }
 
 QString BatchRenamer::findDirSep(const QString &token, const QString &path)
 {
     if (token.toLower() == "dirsep") {
         return "/";
     }
 
     return QString();
 }
 
 QString BatchRenamer::findLength(const QString &token, const QString &name)
 {
     if (token.toLower().startsWith(QLatin1String("length"))) {
         int minus = 0;
         if (token.length() > 6 && token[6] == '-') {
             bool n = false;
             minus = token.mid(7, token.length() - 7).toInt(&n);
             if (!n) {
                 minus = 0;
             }
         }
 
         QString escaped = name;
         escaped = doEscape(escaped);
 
         return QString::number(escaped.length() - minus);
     }
 
     return QString();
 }
 
 QString BatchRenamer::findTrimmed(const QString &token, const QString &name, int index)
 {
     if (token.toLower().startsWith(QLatin1String("trimmed"))) {
         if (token.contains(';')) {
             QString processed = processString(
                                     token.section(';', 1, 1), name, index).trimmed();
 
             if (processed.isNull()) {
                 return name.trimmed();
             } else {
                 return processed.trimmed();
             }
         } else {
             return name.trimmed();
         }
     }
 
     return QString();
 }
 
 QString BatchRenamer::findReplace(const QString &text, const QString &origFilename, int index)
 {
     QList<TReplaceItem>::const_iterator it = m_replace.constBegin();
 
     QString t(text);
     while (it != m_replace.constEnd()) {
         QString find((*it).find);
 
         // Call for each element in replace strings doReplace with correct values
         t = doReplace(t, unEscape(find), (*it).replace,
                       (*it).reg, (*it).doProcessTokens,
                       origFilename, index);
         ++it;
     }
 
     return t;
 }
 
 QString BatchRenamer::doReplace(const QString &text, const QString &find, const QString &replace, bool reg, bool doProcessTokens, const QString &origFilename, int index)
 {
     QString t(text);
     if (!reg) {
         QString escaped = find;
         escaped = doEscape(escaped);
 
         // we use the escaped text here because the user might want
         // to find a "&" and replace it
         t.replace(escaped, replace);
     } else {
         // no doEscape() here for the regexp, because it would destroy our regular expression
         // other wise we will not find stuff like $, [ in the text
         t = unEscape(t).replace(QRegExp(find), replace);
         t = doEscape(t);
     }
 
     if (doProcessTokens) {
         t = processString(unEscape(t), origFilename, index, false);
     }
 
     return t;
 }
 
 void BatchRenamer::writeUndoScript(QTextStream *t)
 {
     // write header comments
     (*t) << "#!/bin/sh" << endl
          << "# KRename Undo Script" << endl << "#" << endl
          << "# KRename was written by:" << endl
          << "# Dominik Seichter <domseichter@web.de>" << endl
          << "# https://www.krename.net/" << endl << "#" << endl
          << "# Script generated by KRename Version: " << VERSION << endl << endl
          << "# This script must be started with the option --krename to work!" << endl;
 
     // write functions:
     (*t) << "echo \"KRename Undo Script\"" << endl
          << "echo \"https://www.krename.net/\"" << endl
          << "echo \"\"" << endl;
 
     (*t) << "if test --krename = $1 ; then" << endl
          << "   echo \"\"" << endl
          << "else" << endl
          << "   echo \"You have to start this script\"" << endl
          << "   echo \"with the command line option\"" << endl
          << "   echo \"--krename\"" << endl
          << "   echo \"to undo a rename operation.\"" << endl
          << "   exit" << endl
          << "fi" << endl;
 }
 
 void BatchRenamer::createMissingSubDirs(const QUrl &destUrl, ProgressDialog *dialog)
 {
     QUrl url = destUrl.adjusted(QUrl::RemoveFilename);
     if (url.isEmpty()) {
         return;
     }
 
     KIO::MkpathJob *job = KIO::mkpath(url);
     KJobWidgets::setWindow(job, dialog);
     if (!job->exec()) {
         dialog->error(i18n("Cannot create directory %1: %2",
                            url.toDisplayString(QUrl::PreferLocalFile),
                            job->errorString()));
     }
 }
 
 void BatchRenamer::findCounterReset(int i)
 {
     if ((*m_files)[i - 1].srcDirectory() != (*m_files)[i].srcDirectory())
         for (int z = 0; z < (int)m_counters.count(); z++) {
             m_counters[z].value = m_counters[z].start - m_counters[z].step;
         }
 }