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KDECore

kshell.cpp

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00001 /*
00002     This file is part of the KDE libraries
00003 
00004     Copyright (c) 2003,2007 Oswald Buddenhagen <ossi@kde.org>
00005 
00006     This library is free software; you can redistribute it and/or
00007     modify it under the terms of the GNU Library General Public
00008     License as published by the Free Software Foundation; either
00009     version 2 of the License, or (at your option) any later version.
00010 
00011     This library is distributed in the hope that it will be useful,
00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014     Library General Public License for more details.
00015 
00016     You should have received a copy of the GNU Library General Public License
00017     along with this library; see the file COPYING.LIB.  If not, write to
00018     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019     Boston, MA 02110-1301, USA.
00020 */
00021 
00022 #include "kshell.h"
00023 #include "kuser.h"
00024 
00025 #include <QtCore/QDir>
00026 
00027 namespace KShell {
00028 
00029 QString homeDir( const QString &user )
00030 {
00031     if (user.isEmpty())
00032         return QDir::homePath();
00033     return KUser(user).homeDir();
00034 }
00035 
00036 }
00037 
00038 QString KShell::joinArgs( const QStringList &args )
00039 {
00040     QString ret;
00041     for (QStringList::ConstIterator it = args.begin(); it != args.end(); ++it) {
00042         if (!ret.isEmpty())
00043             ret.append(QLatin1Char(' '));
00044         ret.append(quoteArg(*it));
00045     }
00046     return ret;
00047 }
00048 
00049 #ifdef Q_OS_WIN
00050 # define ESCAPE '^'
00051 #else
00052 # define ESCAPE '\\'
00053 #endif
00054 
00055 QString KShell::tildeExpand( const QString &fname )
00056 {
00057     if (fname.length() && fname[0] == QLatin1Char('~')) {
00058         int pos = fname.indexOf( QLatin1Char('/') );
00059         if (pos < 0)
00060             return homeDir( fname.mid(1) );
00061         QString ret = homeDir( fname.mid(1, pos-1) );
00062         if (!ret.isNull())
00063             ret += fname.mid(pos);
00064         return ret;
00065     } else if (fname.length() > 1 && fname[0] == QLatin1Char(ESCAPE) && fname[1] == QLatin1Char('~')) {
00066         return fname.mid(1);
00067     }
00068     return fname;
00069 }

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