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/*
Copyright (C) 2004, 2005 Benjamin Meyer <ben at meyerhome dot net>
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 02111-1307, USA.
*/
#include <audiocdencoder.h>
#include <klibloader.h>
#include <kdebug.h>
#include <qdir.h>
#include <qregexp.h>
#include <kstandarddirs.h>
/**
* Attempt to load a plugin and see if it has the symbol create_audiocd_encoders.
* @param libFileName file to try to load.
* @returns pointer to the symbol or NULL
*/
void *loadPlugin(const QString &libFileName)
{
#ifdef DEBUG
kdDebug(7117) << "Trying to load library. File: \"" << libFileName.latin1() << "\"." << endl;
#endif
KLibLoader *loader = KLibLoader::self();
if (!loader)
return NULL;
#ifdef DEBUG
kdDebug(7117) << "We have a loader. File: \"" << libFileName.latin1() << "\"." << endl;
#endif
KLibrary *lib = loader->library(libFileName.latin1());
if (!lib)
return NULL;
#ifdef DEBUG
kdDebug(7117) << "We have a library. File: \"" << libFileName.latin1() << "\"." << endl;
#endif
void *cplugin = lib->symbol("create_audiocd_encoders");
if (!cplugin)
return NULL;
#ifdef DEBUG
kdDebug(7117) << "We have a plugin. File: \"" << libFileName.latin1() << "\"." << endl;
#endif
return cplugin;
}
/**
* There might be a "better" way of doing this, but I don't know it,
* but I do know that this does work. :) Feel free to improve the loading system,
* there isn't much code anyway.
*/
void AudioCDEncoder::findAllPlugins(KIO::SlaveBase *slave, QPtrList<AudioCDEncoder> &encoders){
QString foundEncoders;
KStandardDirs standardDirs;
QStringList dirs = standardDirs.findDirs("module", "");
for (QStringList::Iterator it = dirs.begin(); it != dirs.end(); ++it) {
QDir dir(*it);
if (!dir.exists()) {
kdDebug(7117) << "Directory given by KStandardDirs: " << dir.path() << " doesn't exists!" << endl;
continue;
}
dir.setFilter(QDir::Files | QDir::Hidden);
QStringList list = dir.entryList( "libaudiocd_encoder_*.so");
kdDebug() << "list " << list << endl;
for (QStringList::ConstIterator it2 = list.begin(); it2 != list.end(); ++it2)
{
QString fileName = *it2;
kdDebug() << fileName << endl;
if (foundEncoders.contains(fileName)) {
kdDebug(7117) << "Warning, encoder has been found twice!" << endl;
continue;
}
foundEncoders.append(fileName);
fileName = fileName.mid(0, fileName.find('.'));
void *function = loadPlugin(fileName);
if(function){
void (*functionPointer)(KIO::SlaveBase *, QPtrList<AudioCDEncoder> &) = (void (*)(KIO::SlaveBase *slave, QPtrList<AudioCDEncoder> &encoders)) function;
functionPointer(slave, encoders);
}
}
}
}
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