# kdecore Library API Documentation

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# ksavefile.cpp

    00001 /*
    00002   This file is part of the KDE libraries
    00003   Copyright (c) 1999 Waldo Bastian <bastian@kde.org>
    00004
    00005   This library is free software; you can redistribute it and/or
    00006   modify it under the terms of the GNU Library General Public
    00007   License version 2 as published by the Free Software Foundation.
    00008
    00009   This library is distributed in the hope that it will be useful,
    00010   but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00012   Library General Public License for more details.
    00013
    00014   You should have received a copy of the GNU Library General Public License
    00015   along with this library; see the file COPYING.LIB.  If not, write to
    00016   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00017   Boston, MA 02111-1307, USA.
    00018 */
    00019
    00020 #include <config.h>
    00021
    00022 #include <sys/types.h>
    00023
    00024 #ifdef HAVE_SYS_STAT_H
    00025 #include <sys/stat.h>
    00026 #endif
    00027
    00028 #include <unistd.h>
    00029 #include <fcntl.h>
    00030
    00031 #ifdef HAVE_TEST
    00032 #include <test.h>
    00033 #endif
    00034
    00035 #include <qdatetime.h>
    00036 #include <qdir.h>
    00037
    00038 #include "kapplication.h"
    00039 #include "ksavefile.h"
    00040
    00041 KSaveFile::KSaveFile(const QString &filename, int mode)
    00042  : mTempFile(true)
    00043 {
    00044    // we only check here if the directory can be written to
    00045    // the actual filename isn't written to, but replaced later
    00046    // with the contents of our tempfile
    00047    if (!checkAccess(filename, W_OK))
    00048    {
    00049       mTempFile.setError(EACCES);
    00050       return;
    00051    }
    00052
    00053    if (mTempFile.create(filename, QString::fromLatin1(".new"), mode))
    00054    {
    00055       mFileName = filename; // Set filename upon success
    00056    }
    00057    return;
    00058 }
    00059
    00060 KSaveFile::~KSaveFile()
    00061 {
    00062    close();
    00063 }
    00064
    00065 QString
    00066 KSaveFile::name() const
    00067 {
    00068    return mFileName;
    00069 }
    00070
    00071 void
    00072 KSaveFile::abort()
    00073 {
    00074    mTempFile.unlink();
    00075    mTempFile.close();
    00076 }
    00077
    00078 bool
    00079 KSaveFile::close()
    00080 {
    00081    if (mTempFile.name().isEmpty())
    00082       return false; // Save was aborted already
    00083    if (mTempFile.close())
    00084    {
    00085       QDir dir;
    00086       bool result = dir.rename( mTempFile.name(), mFileName);
    00087       if ( result )
    00088       {
    00089          return true; // Success!
    00090       }
    00091       mTempFile.setError(errno);
    00092    }
    00093
    00094    // Something went wrong, make sure to delete the interim file.
    00095    mTempFile.unlink();
    00096    return false;
    00097 }
    00098

This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Jan 28 12:46:50 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001