1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPLUGIN_H
#define QPLUGIN_H
#include <QtCore/qobject.h>
#include <QtCore/qpointer.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
#ifndef Q_EXTERN_C
# ifdef __cplusplus
# define Q_EXTERN_C extern "C"
# else
# define Q_EXTERN_C extern
# endif
#endif
typedef QObject *(*QtPluginInstanceFunction)();
void Q_CORE_EXPORT qRegisterStaticPluginInstanceFunction(QtPluginInstanceFunction function);
#define Q_IMPORT_PLUGIN(PLUGIN) \
extern QT_PREPEND_NAMESPACE(QObject) *qt_plugin_instance_##PLUGIN(); \
class Static##PLUGIN##PluginInstance{ \
public: \
Static##PLUGIN##PluginInstance() { \
qRegisterStaticPluginInstanceFunction(qt_plugin_instance_##PLUGIN); \
} \
}; \
static Static##PLUGIN##PluginInstance static##PLUGIN##Instance;
#define Q_PLUGIN_INSTANCE(IMPLEMENTATION) \
{ \
static QT_PREPEND_NAMESPACE(QPointer)<QT_PREPEND_NAMESPACE(QObject)> _instance; \
if (!_instance) \
_instance = new IMPLEMENTATION; \
return _instance; \
}
# define Q_EXPORT_PLUGIN(PLUGIN) \
Q_EXPORT_PLUGIN2(PLUGIN, PLUGIN)
# define Q_EXPORT_STATIC_PLUGIN(PLUGIN) \
Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGIN)
#if defined(QT_STATICPLUGIN)
# define Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS) \
QT_PREPEND_NAMESPACE(QObject) \
*qt_plugin_instance_##PLUGIN() \
Q_PLUGIN_INSTANCE(PLUGINCLASS)
# define Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGINCLASS) \
Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS)
#else
// NOTE: if you change pattern, you MUST change the pattern in
// qlibrary.cpp as well. changing the pattern will break all
// backwards compatibility as well (no old plugins will be loaded).
// QT5: should probably remove the entire pattern thing and do the section
// trick for all platforms. for now, keep it and fallback to scan for it.
# ifdef QPLUGIN_DEBUG_STR
# undef QPLUGIN_DEBUG_STR
# endif
# ifdef QT_NO_DEBUG
# define QPLUGIN_DEBUG_STR "false"
# define QPLUGIN_SECTION_DEBUG_STR ""
# else
# define QPLUGIN_DEBUG_STR "true"
# define QPLUGIN_SECTION_DEBUG_STR ".debug"
# endif
# define Q_PLUGIN_VERIFICATION_DATA \
static const char qt_plugin_verification_data[] = \
"pattern=QT_PLUGIN_VERIFICATION_DATA\n" \
"version=" QT_VERSION_STR "\n" \
"debug=" QPLUGIN_DEBUG_STR "\n" \
"buildkey=" QT_BUILD_KEY;
# if defined (Q_OF_ELF) && defined (Q_CC_GNU)
# define Q_PLUGIN_VERIFICATION_SECTION \
__attribute__ ((section (".qtplugin"))) __attribute__((used))
# else
# define Q_PLUGIN_VERIFICATION_SECTION
# endif
# if defined (Q_OS_WIN32) && defined(Q_CC_BOR)
# define Q_STANDARD_CALL __stdcall
# else
# define Q_STANDARD_CALL
# endif
# define Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS) \
Q_PLUGIN_VERIFICATION_SECTION Q_PLUGIN_VERIFICATION_DATA \
Q_EXTERN_C Q_DECL_EXPORT \
const char * Q_STANDARD_CALL qt_plugin_query_verification_data() \
{ return qt_plugin_verification_data; } \
Q_EXTERN_C Q_DECL_EXPORT QT_PREPEND_NAMESPACE(QObject) * Q_STANDARD_CALL qt_plugin_instance() \
Q_PLUGIN_INSTANCE(PLUGINCLASS)
# define Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGINCLASS)
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif // Q_PLUGIN_H
|
