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/***************************************************************************
pluginloader.cpp - description
-------------------
begin : Sun Dec 30 2001
copyright : (C) 2001 by Dominik Seichter
email : domseichter@web.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
/*
* Parts of this code are copied from
* Franz Schmid's <Franz.Schmid@altmuehlnet.de>
* Scribus.
*/
// Own includes
#include "pluginloader.h"
#include "fileplugin.h"
#include "datetime.h"
#include "mydirplugin.h"
#include "permission.h"
#include "pictureplugin.h"
#include "commandplugin.h"
#include "dateplugin.h"
#include "encodingplugin.h"
#include "translitplugin.h"
// QT includes
#include <tqregexp.h>
#include <tqstringlist.h>
// KDE includes
#include <tdeapplication.h>
#include <kservice.h>
/* use a prime number here */
#define DICT_SIZE 43
#define BRACKET_CACHE_COUNT 19
PluginLoader::PluginLoader()
{
libs.setAutoDelete( true );
m_loaded = false;
m_file = false;
}
PluginLoader::~PluginLoader()
{ }
PluginLoader* PluginLoader::instance()
{
if( !m_plugin )
m_plugin = new PluginLoader();
return m_plugin;
}
PluginLoader* PluginLoader::m_plugin = NULL;
void PluginLoader::loadPlugins( bool fileplugins )
{
int i;
// make sure all plugins with display
// get deleted and the GUI is rebuild
if( m_loaded )
{
for( i=0;i<NUM_INTERNAL_PLUGINS;i++ )
{
for( unsigned int z=0;z<libs.count();z++ )
if( libs.at(z)->plugin == m_internal_plugins[i] )
{
libs.remove( z );
break;
}
}
}
m_loaded = true;
m_internal_plugins[0] = new CommandPlugin();
m_internal_plugins[1] = new MyPermPlugin();
m_internal_plugins[2] = new MyDatePlugin();
m_internal_plugins[3] = new MyDirPlugin();
m_internal_plugins[4] = new PicturePlugin();
m_internal_plugins[5] = new EncodingPlugin();
m_internal_plugins[6] = new DatePlugin();
m_internal_plugins[7] = new TranslitPlugin();
for( i=0;i<NUM_INTERNAL_PLUGINS;i++ )
addPlugin( m_internal_plugins[i] );
if( fileplugins && !m_file )
loadFilePlugins();
m_bracket_map.clear();
TQPtrListIterator<PluginLoader::PluginLibrary> it( libs );
for( ; it.current(); ++it ) {
if( (*it)->plugin->type() == TYPE_BRACKET ) {
const TQStringList list = (*it)->plugin->getKeys();
for( unsigned int i = 0; i < list.count(); i++ )
m_bracket_map.insert( list[i].lower(), (*it)->plugin );
}
}
}
void PluginLoader::clearCache()
{
TQPtrListIterator<PluginLoader::PluginLibrary> it( libs );
for( ; it.current(); ++it )
(*it)->plugin->clearCache();
}
Plugin* PluginLoader::findPlugin( const TQString & token )
{
// Optimize a little bit for speed and convert only once to lower()
TQString lower = token.lower();
if( m_bracket_cache.contains( lower ) )
return m_bracket_cache[lower];
/* The new version is slower than the old one :-(
*/
TQMap<TQString,Plugin*>::Iterator it;
for ( it = m_bracket_map.begin(); it != m_bracket_map.end(); ++it )
{
if( TQRegExp( it.key() ).exactMatch( lower ) )
{
m_bracket_cache.insert( lower, it.data(), true );
if( m_bracket_cache.count() > BRACKET_CACHE_COUNT )
m_bracket_cache.remove( m_bracket_cache.begin() );
return it.data();
}
}
// add typos to the cache, too:
// So that we find immediately that this key is not supported.
m_bracket_cache.insert( lower, NULL, true );
if( m_bracket_cache.count() > BRACKET_CACHE_COUNT )
m_bracket_cache.remove( m_bracket_cache.begin() );
return NULL;
}
void PluginLoader::addPlugin( Plugin* plugin )
{
PluginLibrary* listitem=new PluginLibrary;
listitem->plugin = plugin;
listitem->check = NULL;
listitem->usePlugin = plugin->alwaysUsed();
libs.append( listitem );
}
void PluginLoader::loadFilePlugins()
{
KService::List list = KService::allServices();
for( unsigned int i = 0; i < list.count(); i++ ) {
KService* s = (KService*)list[i];
if( !s->terminal() && s->type() == "Service" && s->hasServiceType( "KFilePlugin" ) ) {
FilePlugin* tdefileplugin = new FilePlugin( s );
if( tdefileplugin->isValid() ) {
addPlugin( tdefileplugin );
kapp->processEvents();
} else
delete tdefileplugin;
}
}
m_file = true;
}
#include "pluginloader.moc"
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