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Diffstat (limited to 'tdespell2/broker.cpp')
| -rw-r--r-- | tdespell2/broker.cpp | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/tdespell2/broker.cpp b/tdespell2/broker.cpp new file mode 100644 index 000000000..4dfc0f211 --- /dev/null +++ b/tdespell2/broker.cpp @@ -0,0 +1,252 @@ +// -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; -*- +/** + * broker.cpp + * + * Copyright (C) 2003 Zack Rusin <zack@kde.org> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#include "broker.h" +#include "settings.h" +#include "client.h" +#include "defaultdictionary.h" +#include "dictionary.h" + +#include <tdeparts/plugin.h> +#include <tdeparts/componentfactory.h> + +#include <kplugininfo.h> +#include <ktrader.h> +#include <kconfig.h> + +#include <kdebug.h> + +#include <tqptrdict.h> +#include <tqmap.h> + +#define DEFAULT_CONFIG_FILE "tdespellrc" + +namespace KSpell2 +{ + +class Broker::Private +{ +public: + KPluginInfo::List plugins; + Settings *settings; + + // <language, Clients with that language > + TQMap<TQString, TQPtrList<Client> > languageClients; + TQStringList clients; + DefaultDictionary *defaultDictionary; +}; + +TQPtrDict<Broker> *Broker::s_brokers = 0; + +Broker *Broker::openBroker( KSharedConfig *config ) +{ + KSharedConfig::Ptr preventDeletion; + if ( !config ) { + preventDeletion = KSharedConfig::openConfig( DEFAULT_CONFIG_FILE ); + } else + preventDeletion = config; + + if ( s_brokers ) { + Broker *broker = s_brokers->find( preventDeletion ); + if ( broker ) + return broker; + } + + Broker *broker = new Broker( preventDeletion ); + return broker; +} + +Broker::Broker( KSharedConfig *config ) +{ + KSharedConfig::Ptr preventDeletion( config ); + Q_UNUSED( preventDeletion ); + + if ( !s_brokers ) + s_brokers = new TQPtrDict<Broker>; + s_brokers->insert( config, this ); + + d = new Private; + d->settings = new Settings( this, config ); + loadPlugins(); + + d->defaultDictionary = new DefaultDictionary( d->settings->defaultLanguage(), + this ); +} + +Broker::~Broker() +{ + kdDebug()<<"Removing broker : "<< this << endl; + s_brokers->remove( d->settings->sharedConfig() ); + KPluginInfo::List::iterator it = d->plugins.begin(); + while ( it != d->plugins.end() ) { + KPluginInfo *pluginInfo = *it; + it = d->plugins.remove( it ); + delete pluginInfo; + } + + delete d->settings; d->settings = 0; + delete d; d = 0; +} + +DefaultDictionary* Broker::defaultDictionary() const +{ + return d->defaultDictionary; +} + +Dictionary* Broker::dictionary( const TQString& language, const TQString& clientName ) const +{ + TQString pclient = clientName; + TQString plang = language; + bool ddefault = false; + + if ( plang.isEmpty() ) { + plang = d->settings->defaultLanguage(); + } + if ( clientName == d->settings->defaultClient() && + plang == d->settings->defaultLanguage() ) { + ddefault = true; + } + + TQPtrList<Client> lClients = d->languageClients[ plang ]; + + if ( lClients.isEmpty() ) { + kdError()<<"No language dictionaries for the language : "<< plang <<endl; + return 0; + } + + TQPtrListIterator<Client> itr( lClients ); + while ( itr.current() ) { + if ( !pclient.isEmpty() ) { + if ( pclient == itr.current()->name() ) { + Dictionary *dict = itr.current()->dictionary( plang ); + if ( dict ) //remove the if if the assert proves ok + dict->m_default = ddefault; + return dict; + } + } else { + //the first one is the one with the highest + //reliability + Dictionary *dict = itr.current()->dictionary( plang ); + Q_ASSERT( dict ); + if ( dict ) //remove the if if the assert proves ok + dict->m_default = ddefault; + return dict; + } + ++itr; + } + + return 0; +} + +TQStringList Broker::clients() const +{ + return d->clients; +} + +TQStringList Broker::languages() const +{ + return d->languageClients.keys(); +} + +Settings* Broker::settings() const +{ + return d->settings; +} + +void Broker::loadPlugins() +{ + d->plugins = KPluginInfo::fromServices( + KTrader::self()->query( "KSpell/Client" ) ); + + for ( KPluginInfo::List::Iterator itr = d->plugins.begin(); + itr != d->plugins.end(); ++itr ) { + loadPlugin( ( *itr )->pluginName() ); + } +} + +void Broker::loadPlugin( const TQString& pluginId ) +{ + int error = 0; + + kdDebug()<<"Loading plugin " << pluginId << endl; + + Client *client = KParts::ComponentFactory::createInstanceFromQuery<Client>( + TQString::fromLatin1( "KSpell/Client" ), + TQString::fromLatin1( "[X-TDE-PluginInfo-Name]=='%1'" ).arg( pluginId ), + this, 0, TQStringList(), &error ); + + if ( client ) + { + TQStringList languages = client->languages(); + d->clients.append( client->name() ); + + for ( TQStringList::Iterator itr = languages.begin(); + itr != languages.end(); ++itr ) { + if ( !d->languageClients[ *itr ].isEmpty() && + client->reliability() < d->languageClients[ *itr ].first()->reliability() ) + d->languageClients[ *itr ].append( client ); + else + d->languageClients[ *itr ].prepend( client ); + } + + kdDebug() << k_funcinfo << "Successfully loaded plugin '" + << pluginId << "'" << endl; + } + else + { + switch( error ) + { + case KParts::ComponentFactory::ErrNoServiceFound: + kdDebug() << k_funcinfo << "No service implementing the given mimetype " + << "and fullfilling the given constraint expression can be found." + << endl; + break; + case KParts::ComponentFactory::ErrServiceProvidesNoLibrary: + kdDebug() << "the specified service provides no shared library." << endl; + break; + case KParts::ComponentFactory::ErrNoLibrary: + kdDebug() << "the specified library could not be loaded." << endl; + break; + case KParts::ComponentFactory::ErrNoFactory: + kdDebug() << "the library does not export a factory for creating components." + << endl; + break; + case KParts::ComponentFactory::ErrNoComponent: + kdDebug() << "the factory does not support creating " + << "components of the specified type." + << endl; + break; + } + + kdDebug() << k_funcinfo << "Loading plugin '" << pluginId + << "' failed, KLibLoader reported error: '" << endl + << KLibLoader::self()->lastErrorMessage() << "'" << endl; + } +} + +void Broker::changed() +{ + emit configurationChanged(); +} + +} + +#include "broker.moc" |