1/***************************************************************************
2 * Copyright (C) 2005-2014 by the Quassel Project *
3 * devel@quassel-irc.org *
4 * *
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. *
9 * *
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. *
14 * *
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 ***************************************************************************/
20
21#include "basichandler.h"
22
23#include <QMetaMethod>
24
25#include "logger.h"
26
27BasicHandler::BasicHandler(QObject *parent)
28 : QObject(parent),
29 _defaultHandler(-1),
30 _initDone(false),
31 _methodPrefix("handle")
32{
33}
34
35
36BasicHandler::BasicHandler(const QString &methodPrefix, QObject *parent)
37 : QObject(parent),
38 _defaultHandler(-1),
39 _initDone(false),
40 _methodPrefix(methodPrefix)
41{
42}
43
44
45QStringList BasicHandler::providesHandlers()
46{
47 return handlerHash().keys();
48}
49
50
51const QHash<QString, int> &BasicHandler::handlerHash()
52{
53 if (!_initDone) {
54 for (int i = metaObject()->methodOffset(); i < metaObject()->methodCount(); i++) {
55#if QT_VERSION >= 0x050000
56 QString methodSignature = metaObject()->method(i).methodSignature();
57#else
58 QString methodSignature = metaObject()->method(i).signature();
59#endif
60 if (methodSignature.startsWith("defaultHandler")) {
61 _defaultHandler = i;
62 continue;
63 }
64
65 if (!methodSignature.startsWith(_methodPrefix))
66 continue;
67
68 methodSignature = methodSignature.section('(', 0, 0); // chop the attribute list
69 methodSignature = methodSignature.mid(_methodPrefix.length()); // strip "handle" or whatever the prefix is
70 _handlerHash[methodSignature] = i;
71 }
72 _initDone = true;
73 }
74 return _handlerHash;
75}
76
77
78void BasicHandler::handle(const QString &member, QGenericArgument val0,
79 QGenericArgument val1, QGenericArgument val2,
80 QGenericArgument val3, QGenericArgument val4,
81 QGenericArgument val5, QGenericArgument val6,
82 QGenericArgument val7, QGenericArgument val8)
83{
84 // Now we try to find a handler for this message. BTW, I do love the Trolltech guys ;-)
85 // and now we even have a fast lookup! Thanks thiago!
86
87 QString handler = member.toLower();
88 handler[0] = handler[0].toUpper();
89
90 if (!handlerHash().contains(handler)) {
91 if (_defaultHandler == -1) {
92 qWarning() << QString("No such Handler: %1::%2%3").arg(metaObject()->className(), _methodPrefix, handler);
93 return;
94 }
95 else {
96 void *param[] = { 0, Q_ARG(QString, member).data(), val0.data(), val1.data(), val2.data(), val3.data(), val4.data(),
97 val5.data(), val6.data(), val7.data(), val8.data(), val8.data() };
98 qt_metacall(QMetaObject::InvokeMetaMethod, _defaultHandler, param);
99 return;
100 }
101 }
102
103 void *param[] = { 0, val0.data(), val1.data(), val2.data(), val3.data(), val4.data(),
104 val5.data(), val6.data(), val7.data(), val8.data(), val8.data(), 0 };
105 qt_metacall(QMetaObject::InvokeMetaMethod, handlerHash()[handler], param);
106}
107