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1/* This file is part of the KDE libraries
2 Copyright (C) 2007 Bernhard Loos <nhuh.put@web.de.org>
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License version 2 as published by the Free Software Foundation.
7
8 This library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Library General Public License for more details.
12
13 You should have received a copy of the GNU Library General Public License
14 along with this library; see the file COPYING.LIB. If not, write to
15 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
16 Boston, MA 02110-1301, USA.
17*/
18#ifndef KLIBRARY_H
19#define KLIBRARY_H
20
21#include <kdecore_export.h>
22
23#include <kglobal.h>
24
25#include <QtCore/QLibrary>
26
27class KLibraryPrivate;
28
29class KPluginFactory;
30
31/**
32 * \class KLibrary klibrary.h <KLibrary>
33 *
34 * Thin wrapper around QLibrary; you should rarely use this directly, see KPluginLoader for higher-level loading of plugins.
35 * KLibrary adds kde3-factory and kde4-factory support to QLibrary (for the deprecated KLibLoader)
36 * KLibrary also searches libs in the kde search paths.
37 */
38class KDECORE_EXPORT KLibrary : public QLibrary
39{
40 Q_OBJECT
41 Q_PROPERTY(QString fileName READ fileName WRITE setFileName)
42public:
43 typedef void (*void_function_ptr) ();
44
45 explicit KLibrary(QObject *parent = 0);
46 explicit KLibrary(const QString &name, const KComponentData &cData = KGlobal::mainComponent(), QObject *parent = 0);
47 KLibrary(const QString &name, int verNum, const KComponentData &cData = KGlobal::mainComponent(), QObject *parent = 0);
48
49 virtual ~KLibrary();
50
51 /**
52 * Returns the factory of the library.
53 * @param factoryname The postfix to the init_ symbol used to create the
54 * factory object. It corresponds to the first parameter to
55 * K_EXPORT_COMPONENT_FACTORY.
56 * @return The factory of the library if there is any, otherwise 0
57 * @deprecated use KPluginLoader::factory
58 */
59 KDE_DEPRECATED KPluginFactory* factory( const char* factoryname = 0 );
60
61 /**
62 * Looks up a symbol from the library. This is a very low level
63 * function that you usually don't want to use.
64 * @param name the name of the symbol to look up
65 * @return the address of the symbol, or 0 if it does not exist
66 */
67 void *resolveSymbol(const char *name);
68
69 /**
70 * Looks up a symbol from the library. This is a very low level
71 * function that you usually don't want to use.
72 * @param name the name of the symbol to look up
73 * @return the address of the symbol, or 0 if it does not exist
74 */
75 void_function_ptr resolveFunction(const char *name);
76
77 void setFileName(const QString &name, const KComponentData &data = KGlobal::mainComponent());
78
79 bool unload() { return false; } //this is only temporary. i will remove it as soon as I have removed all dangerous users of it
80private:
81 KLibraryPrivate *d_ptr;
82};
83
84#endif
85

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