1 /***************************************************************************
2 * Copyright (C) 2005-2019 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
21 #include "basichandler.h"
26 #include <QMetaMethod>
28 BasicHandler::BasicHandler(QObject* parent)
30 , _methodPrefix("handle")
33 BasicHandler::BasicHandler(QString methodPrefix, QObject* parent)
35 , _methodPrefix(std::move(methodPrefix))
38 QStringList BasicHandler::providesHandlers()
40 return handlerHash().keys();
43 const QHash<QString, int>& BasicHandler::handlerHash()
46 for (int i = metaObject()->methodOffset(); i < metaObject()->methodCount(); i++) {
47 QString methodSignature = metaObject()->method(i).methodSignature();
48 if (methodSignature.startsWith("defaultHandler")) {
53 if (!methodSignature.startsWith(_methodPrefix))
56 methodSignature = methodSignature.section('(', 0, 0); // chop the attribute list
57 methodSignature = methodSignature.mid(_methodPrefix.length()); // strip "handle" or whatever the prefix is
58 _handlerHash[methodSignature] = i;
65 void BasicHandler::handle(const QString& member,
66 QGenericArgument val0,
67 QGenericArgument val1,
68 QGenericArgument val2,
69 QGenericArgument val3,
70 QGenericArgument val4,
71 QGenericArgument val5,
72 QGenericArgument val6,
73 QGenericArgument val7,
74 QGenericArgument val8)
76 // Now we try to find a handler for this message. BTW, I do love the Trolltech guys ;-)
77 // and now we even have a fast lookup! Thanks thiago!
79 QString handler = member.toLower();
80 handler[0] = handler[0].toUpper();
82 if (!handlerHash().contains(handler)) {
83 if (_defaultHandler == -1) {
84 qWarning() << QString("No such Handler: %1::%2%3").arg(metaObject()->className(), _methodPrefix, handler);
88 void* param[] = {nullptr,
89 Q_ARG(QString, member).data(),
100 qt_metacall(QMetaObject::InvokeMetaMethod, _defaultHandler, param);
105 void* param[] = {nullptr,
117 qt_metacall(QMetaObject::InvokeMetaMethod, handlerHash()[handler], param);