rbutil/rbutilqt/utils.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  *   Copyright (C) 2007 by Dominik Wenger
  10  *   $Id$
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include "utils.h"
  21
  22 #include <QtCore>
  23 #include <QDebug>
  24 #include <cstdlib>
  25 #include <stdio.h>
  26
  27 // recursive function to delete a dir with files
  28 bool recRmdir( const QString &dirName )
  29 {
  30     QString dirN = dirName;
  31     QDir dir(dirN);
  32     // make list of entries in directory
  33     QStringList list = dir.entryList(QDir::AllEntries | QDir::NoDotAndDotDot);
  34     QFileInfo fileInfo;
  35     QString curItem, lstAt;
  36     for(int i = 0; i < list.size(); i++){ // loop through all items of list
  37         QString name = list.at(i);
  38         curItem = dirN + "/" + name;
  39         fileInfo.setFile(curItem);
  40         if(fileInfo.isDir())    // is directory
  41             recRmdir(curItem);  // call recRmdir() recursively for deleting subdirectory
  42         else                    // is file
  43             QFile::remove(curItem); // ok, delete file
  44     }
  45     dir.cdUp();
  46     return dir.rmdir(dirN); // delete empty dir and return if (now empty) dir-removing was successfull
  47 }
  48
  49
  50 //! @brief resolves the given path, ignoring case.
  51 //! @param path absolute path to resolve.
  52 //! @return returns exact casing of path, empty string if path not found.
  53 QString resolvePathCase(QString path)
  54 {
  55     QStringList elems;
  56     QString realpath;
  57
  58     elems = path.split("/", QString::SkipEmptyParts);
  59     int start;
  60 #if defined(Q_OS_WIN32)
  61     // on windows we must make sure to start with the first entry (i.e. the
  62     // drive letter) instead of a single / to make resolving work.
  63     start = 1;
  64     realpath = elems.at(0) + "/";
  65 #else
  66     start = 0;
  67     realpath = "/";
  68 #endif
  69
  70     for(int i = start; i < elems.size(); i++) {
  71         QStringList direlems
  72             = QDir(realpath).entryList(QDir::AllEntries|QDir::Hidden|QDir::System);
  73         if(direlems.contains(elems.at(i), Qt::CaseInsensitive)) {
  74             // need to filter using QRegExp as QStringList::filter(QString)
  75             // matches any substring
  76             QString expr = QString("^" + elems.at(i) + "$");
  77             QRegExp rx = QRegExp(expr, Qt::CaseInsensitive);
  78             QStringList a = direlems.filter(rx);
  79
  80             if(a.size() != 1)
  81                 return QString("");
  82             if(!realpath.endsWith("/"))
  83                 realpath += "/";
  84             realpath += a.at(0);
  85         }
  86         else
  87             return QString("");
  88     }
  89     qDebug() << __func__ << path << "->" << realpath;
  90     return realpath;
  91 }
  92
  93