1/****************************************************************************
2**
3** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4** Contact: http://www.qt-project.org/legal
5**
6** This file is part of the QtCore module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
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15** use the contact form at http://qt.digia.com/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 2.1 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 2.1 requirements
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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25** In addition, as a special exception, Digia gives you certain additional
26** rights. These rights are described in the Digia Qt LGPL Exception
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28**
29** GNU General Public License Usage
30** Alternatively, this file may be used under the terms of the GNU
31** General Public License version 3.0 as published by the Free Software
32** Foundation and appearing in the file LICENSE.GPL included in the
33** packaging of this file. Please review the following information to
34** ensure the GNU General Public License version 3.0 requirements will be
35** met: http://www.gnu.org/copyleft/gpl.html.
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39**
40****************************************************************************/
41
42#ifndef QLIBRARY_H
43#define QLIBRARY_H
44
45#include <QtCore/qobject.h>
46
47QT_BEGIN_HEADER
48
49QT_BEGIN_NAMESPACE
50
51QT_MODULE(Core)
52
53#if defined(QT_NO_LIBRARY) && defined(Q_OS_WIN)
54#undef QT_NO_LIBRARY
55#pragma message("QT_NO_LIBRARY is not supported on Windows")
56#endif
57
58#ifndef QT_NO_LIBRARY
59
60class QLibraryPrivate;
61
62class Q_CORE_EXPORT QLibrary : public QObject
63{
64 Q_OBJECT
65 Q_PROPERTY(QString fileName READ fileName WRITE setFileName)
66 Q_PROPERTY(LoadHints loadHints READ loadHints WRITE setLoadHints)
67 Q_FLAGS(LoadHint LoadHints)
68public:
69 enum LoadHint {
70 ResolveAllSymbolsHint = 0x01,
71 ExportExternalSymbolsHint = 0x02,
72 LoadArchiveMemberHint = 0x04,
73 ImprovedSearchHeuristics = 0x08
74 };
75 Q_DECLARE_FLAGS(LoadHints, LoadHint)
76
77 explicit QLibrary(QObject *parent = 0);
78 explicit QLibrary(const QString& fileName, QObject *parent = 0);
79 explicit QLibrary(const QString& fileName, int verNum, QObject *parent = 0);
80 explicit QLibrary(const QString& fileName, const QString &version, QObject *parent = 0);
81 ~QLibrary();
82
83 void *resolve(const char *symbol);
84 static void *resolve(const QString &fileName, const char *symbol);
85 static void *resolve(const QString &fileName, int verNum, const char *symbol);
86 static void *resolve(const QString &fileName, const QString &version, const char *symbol);
87
88 bool load();
89 bool unload();
90 bool isLoaded() const;
91
92 static bool isLibrary(const QString &fileName);
93
94 void setFileName(const QString &fileName);
95 QString fileName() const;
96
97 void setFileNameAndVersion(const QString &fileName, int verNum);
98 void setFileNameAndVersion(const QString &fileName, const QString &version);
99 QString errorString() const;
100
101 void setLoadHints(LoadHints hints);
102 LoadHints loadHints() const;
103#ifdef QT3_SUPPORT
104 inline QT3_SUPPORT QString library() const { return fileName(); }
105 inline QT3_SUPPORT void setAutoUnload( bool ) {}
106#endif
107private:
108 QLibraryPrivate *d;
109 bool did_load;
110 Q_DISABLE_COPY(QLibrary)
111};
112
113Q_DECLARE_OPERATORS_FOR_FLAGS(QLibrary::LoadHints)
114
115#endif //QT_NO_LIBRARY
116
117QT_END_NAMESPACE
118
119QT_END_HEADER
120
121#endif //QLIBRARY_H
122