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tdeutils/ark/arkapp.cpp

295 lines
7.7 KiB

/*
ark -- archiver for the KDE project
Copyright (C)
2002-2003: Helio Chissini de Castro <helio@conectiva.com.br>
2003: Georg Robbers <Georg.Robbers@urz.uni-hd.de>
1999-2000: Corel Corporation (author: Emily Ezust emilye@corel.com)
1999: Francois-Xavier Duranceau duranceau@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 <dcopclient.h>
#include <kdebug.h>
#include <kcmdlineargs.h>
#include <klocale.h>
#include <unistd.h>
#include <tqfile.h>
#include <errno.h>
#include "arkapp.h"
ArkApplication *ArkApplication::mInstance = NULL;
// a helper function to follow a symlink and obtain the real filename
// Used in the ArkApplication functions that use the archive filename
// to make sure an archive isn't opened twice in different windows
// Now, readlink only gives one level so this function recurses.
static TQString resolveFilename(const TQString & _arkname)
{
char *buff;
int nread;
int iter = 1;
while ( true )
{
buff = new char[BUFSIZ*iter];
nread = readlink( TQFile::encodeName(_arkname), buff, BUFSIZ);
if (-1 == nread)
{
if ( EINVAL == errno ) // not a symbolic link. Stopping condition.
{
delete [] buff;
return _arkname;
}
else if ( ENAMETOOLONG == errno )
{
kdDebug(1601) << "resolveFilename: have to reallocate - name too long!" << endl;
iter++;
delete [] buff;
continue;
}
else
{
delete [] buff;
// the other errors will be taken care of already in simply
// // opening the archive (i.e., the user will be notified)
return "";
}
}
else
{
buff[nread] = '\0'; // readlink doesn't null terminate
TQString name = TQFile::decodeName( buff );
delete [] buff;
// watch out for relative pathnames
if (name.at(0) != '/')
{
// copy the path from _arkname
int index = _arkname.findRev('/');
name = _arkname.left(index + 1) + name;
}
kdDebug(1601) << "Now resolve " << name << endl;
return resolveFilename( name );
}
}
}
ArkApplication * ArkApplication::getInstance()
{
if (mInstance == NULL)
{
mInstance = new ArkApplication();
}
return mInstance;
}
ArkApplication::ArkApplication()
: KUniqueApplication(), m_windowCount(0)
{
m_mainwidget = new QWidget;
setMainWidget(m_mainwidget);
}
int
ArkApplication::newInstance()
{
// If we are restored by session management, we don't need to open
// another window on startup.
if (restoringSession()) return 0;
KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
if ( args->isSet( "extract-to" ) )
{
if ( args->count() == 2 )
{
MainWindow *arkWin = new MainWindow();
arkWin->extractTo( args->url( 0 ), args->url( 1 ), args->isSet( "guess-name" ) );
return 0;
}
else
{
KCmdLineArgs::usage( i18n( "Wrong number of arguments specified" ) );
return 0;
}
}
if ( args->isSet( "add-to" ) && ( !args->isSet( "add" ) ) )
{
if ( args->count() < 2 )
{
KCmdLineArgs::usage( i18n( "You need to specify at least one file to be added to the archive." ) );
return 0;
}
else
{
KURL::List URLList;
for ( int c = 0; c < args->count()-1 ; c++ )
URLList.append( args->url( c ) );
MainWindow *arkWin = new MainWindow();
arkWin->addToArchive( URLList, args->cwd(), args->url( args->count()-1 ) );
return 0;
}
}
if ( args->isSet( "add" ) && args->isSet( "add-to" ) ) // HACK
{
bool oneFile = (args->count() == 2 ) ;
TQString extension = args->arg( 0 );
KURL archiveName = args->url( 1 ); // the filename
// if more than one file -> use directory name
if ( !oneFile )
archiveName.setPath( archiveName.directory() );
archiveName.setFileName( archiveName.fileName() + extension );
KURL::List URLList;
for ( int c = 1; c < args->count(); c++ )
URLList.append( args->url( c ) );
MainWindow *arkWin = new MainWindow();
arkWin->addToArchive( URLList, args->cwd(), archiveName, !oneFile );
return 0;
}
if ( args->isSet( "add" ) && ( !args->isSet( "add-to" ) ) )
{
if ( args->count() < 1 )
{
KCmdLineArgs::usage( i18n( "You need to specify at least one file to be added to the archive." ) );
return 0;
}
else
{
KURL::List URLList;
for ( int c = 0; c < args->count() ; c++ )
URLList.append( args->url( c ) );
MainWindow *arkWin = new MainWindow();
arkWin->addToArchive( URLList, args->cwd() );
return 0;
}
}
int i = 0;
KURL url;
bool doAutoExtract = args->isSet("extract");
bool tempFile = KCmdLineArgs::isTempFileSet();
do
{
if (args->count() > 0)
{
url = args->url(i);
}
MainWindow *arkWin = new MainWindow();
arkWin->show();
if(doAutoExtract)
{
arkWin->setExtractOnly(true);
}
if (!url.isEmpty())
{
arkWin->openURL(url, tempFile);
}
++i;
} while (i < args->count());
args->clear();
return 0;
}
void
ArkApplication::addOpenArk(const KURL & _arkname, MainWindow *_ptr)
{
TQString realName;
if( _arkname.isLocalFile() )
{
realName = resolveFilename( _arkname.path() ); // follow symlink
kdDebug(1601) << " Real name of " << _arkname.prettyURL() << " is " << realName << endl;
}
else
realName = _arkname.prettyURL();
openArksList.append(realName);
m_windowsHash.replace(realName, _ptr);
kdDebug(1601) << "Saved ptr " << _ptr << " added open ark: " << realName << endl;
}
void
ArkApplication::removeOpenArk(const KURL & _arkname)
{
TQString realName;
if ( _arkname.isLocalFile() )
realName = resolveFilename( _arkname.path() ); // follow symlink
else
realName = _arkname.prettyURL();
kdDebug(1601) << "Removing name " << _arkname.prettyURL() << endl;
openArksList.remove(realName);
m_windowsHash.remove(realName);
}
void
ArkApplication::raiseArk(const KURL & _arkname)
{
kdDebug( 1601 ) << "ArkApplication::raiseArk " << endl;
MainWindow *window;
TQString realName;
if( _arkname.isLocalFile() )
realName = resolveFilename(_arkname.path()); // follow symlink
else
realName = _arkname.prettyURL();
window = m_windowsHash[realName];
kdDebug(1601) << "ArkApplication::raiseArk " << window << endl;
// raise didn't seem to be enough. Not sure why!
// This might be annoying though.
//window->hide();
//window->show();
window->raise();
}
bool
ArkApplication::isArkOpenAlready(const KURL & _arkname)
{
TQString realName;
if ( _arkname.isLocalFile() )
realName = resolveFilename(_arkname.path()); // follow symlink
else
realName = _arkname.prettyURL();
return ( openArksList.findIndex(realName) != -1 );
}
#include "arkapp.moc"