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tdeutils/ark/arkutils.cpp

231 lines
5.8 KiB

/*
$Id$
ark -- archiver for the KDE project
Copyright (C)
2002: Helio Chissini de Castro <helio@conectiva.com.br>
2001: Corel Corporation (author: Michael Jarrett, michaelj@corel.com)
1999-2000: Corel Corporation (author: Emily Ezust, emilye@corel.com)
1999: Francois-Xavier Duranceau duranceau@kde.org
1997-1999: Rob Palmbos palm9744@kettering.edu
2003: Hans Petter Bieker <bieker@kde.org>
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
// C includes
#include <stdlib.h>
#include <time.h>
#include <errno.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <config.h>
#ifdef _HPUX_SOURCE
#include <sys/vfs.h>
#endif
// for statfs:
#ifdef BSD4_4
#include <sys/mount.h>
#elif defined(__linux__)
#include <sys/vfs.h>
#elif defined(__sun)
#include <sys/statvfs.h>
#define STATFS statvfs
#elif defined(_AIX)
#include <sys/statfs.h>
#endif
#ifndef STATFS
#define STATFS statfs
#endif
// KDE includes
#include <kdebug.h>
#include <kmessagebox.h>
#include <klocale.h>
#include <klargefile.h>
// Qt includes
#include <qfile.h>
#include "arkutils.h"
QString ArkUtils::getTimeStamp(const QString &_month,
const QString &_day,
const QString &_yearOrTime)
{
// Make the date format sortable.
// Month is in _month, day is in _day.
// In _yearOrTime is either a year or a time.
// If it's March, we'll see the year for all dates up to October 1999.
// (five months' difference - e.g., if it's Apr, then get years up to Nov)
char month[4];
strncpy(month, _month.ascii(), 3);
month[3] = '\0';
int nMonth = getMonth(month);
int nDay = _day.toInt();
kdDebug(1601) << "Month is " << nMonth << ", Day is " << nDay << endl;
time_t t = time(0);
if (t == -1)
exit(1);
struct tm *now = localtime(&t);
int thisYear = now->tm_year + 1900;
int thisMonth = now->tm_mon + 1;
QString year, timestamp;
if (_yearOrTime.contains(":"))
// it has a timestamp so we have to figure out the year
{
year.sprintf("%d", ArkUtils::getYear(nMonth, thisYear, thisMonth));
timestamp = _yearOrTime;
}
else
{
year = _yearOrTime;
if (year.right(1) == " ")
year = year.left(4);
if (year.left(1) == " ")
year = year.right(4);
timestamp = "??:??";
}
QString retval;
retval.sprintf("%s-%.2d-%.2d %s",
year.utf8().data(), nMonth, nDay,
timestamp.utf8().data());
return retval;
}
int ArkUtils::getMonth(const char *strMonth)
// returns numeric value for three-char month string
{
static char months[13][4] = { "", "Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
int nIndex;
for (nIndex = 1; nIndex < 13; ++nIndex)
{
if (0 == strcmp(strMonth, months[nIndex]))
return nIndex;
}
return 0;
}
// This function gets the year from an LHA or ls -l timestamp.
// Note: LHA doesn't seem to display the year if the file is more
// than 6 months into the future, so this will fail to give the correct
// year (of course it is hoped that there are not too many files lying
// around from the future).
int ArkUtils::getYear(int theMonth, int thisYear, int thisMonth)
{
int monthDiff = QABS(thisMonth - theMonth);
if (monthDiff > 6)
return (thisYear - 1);
else
return thisYear;
}
QString ArkUtils::fixYear(const QString& strYear)
{
// returns 4-digit year by guessing from two-char year string.
// Remember: this is used for file timestamps. There probably aren't any
// files that were created before 1970, so that's our cutoff. Of course,
// in 2070 we'll have some problems....
if ( strYear.length() != 2 ) return strYear;
bool ok;
int y = strYear.toInt( &ok );
if ( ok )
{
if ( y > 70 )
y += 1900;
else
y += 2000;
return QString::number( y );
}
else
return QString::null;
}
bool
ArkUtils::haveDirPermissions( const QString &strFile )
{
return ( access( QFile::encodeName( strFile ), W_OK ) == 0 );
}
bool
ArkUtils::diskHasSpace(const QString &dir, KIO::filesize_t size)
// check if disk has enough space to accommodate (a) new file(s) of
// the given size in the partition containing the given directory
{
kdDebug( 1601 ) << "diskHasSpace() " << "dir: " << dir << " Size: " << size << endl;
struct STATFS buf;
if (STATFS(QFile::encodeName(dir), &buf) == 0)
{
double nAvailable = (double)buf.f_bavail * buf.f_bsize;
if ( nAvailable < (double)size )
{
KMessageBox::error(0, i18n("You have run out of disk space."));
return false;
}
}
else
{
// something bad happened
kdWarning( 1601 ) << "diskHasSpace() failed" << endl;
// Q_ASSERT(0);
}
return true;
}
KIO::filesize_t
ArkUtils::getSizes(QStringList *list)
{
KIO::filesize_t sum = 0;
QString str;
KDE_struct_stat st;
for ( QStringList::Iterator it = list->begin(); it != list->end(); ++it)
{
str = *it;
str = str.right(str.length()-5);
if (KDE_stat(QFile::encodeName(str), &st ) < 0)
continue;
sum += st.st_size;
}
return sum;
}