qlibrary.h
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上传日期:2022-06-22
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtCore module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
- **
- ** Qt for Windows(R) Licensees
- ** As a special exception, Nokia, as the sole copyright holder for Qt
- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
- ** right for the Qt/Eclipse Integration to link to functionality
- ** provided by Qt Designer and its related libraries.
- **
- ** If you are unsure which license is appropriate for your use, please
- ** contact the sales department at qt-sales@nokia.com.
- **
- ****************************************************************************/
- #ifndef QLIBRARY_H
- #define QLIBRARY_H
- #include <QtCore/qobject.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Core)
- #if defined(QT_NO_LIBRARY) && defined(Q_OS_WIN)
- #undef QT_NO_LIBRARY
- #pragma message("QT_NO_LIBRARY is not supported on Windows")
- #endif
- #ifndef QT_NO_LIBRARY
- class QLibraryPrivate;
- class Q_CORE_EXPORT QLibrary : public QObject
- {
- Q_OBJECT
- Q_PROPERTY(QString fileName READ fileName WRITE setFileName)
- Q_PROPERTY(LoadHints loadHints READ loadHints WRITE setLoadHints)
- Q_FLAGS(LoadHint LoadHints)
- public:
- enum LoadHint {
- ResolveAllSymbolsHint = 0x01,
- ExportExternalSymbolsHint = 0x02,
- LoadArchiveMemberHint = 0x04
- };
- Q_DECLARE_FLAGS(LoadHints, LoadHint)
- explicit QLibrary(QObject *parent = 0);
- explicit QLibrary(const QString& fileName, QObject *parent = 0);
- explicit QLibrary(const QString& fileName, int verNum, QObject *parent = 0);
- explicit QLibrary(const QString& fileName, const QString &version, QObject *parent = 0);
- ~QLibrary();
- void *resolve(const char *symbol);
- static void *resolve(const QString &fileName, const char *symbol);
- static void *resolve(const QString &fileName, int verNum, const char *symbol);
- static void *resolve(const QString &fileName, const QString &version, const char *symbol);
- bool load();
- bool unload();
- bool isLoaded() const;
- static bool isLibrary(const QString &fileName);
- void setFileName(const QString &fileName);
- QString fileName() const;
- void setFileNameAndVersion(const QString &fileName, int verNum);
- void setFileNameAndVersion(const QString &fileName, const QString &version);
- QString errorString() const;
- void setLoadHints(LoadHints hints);
- LoadHints loadHints() const;
- #ifdef QT3_SUPPORT
- inline QT3_SUPPORT QString library() const { return fileName(); }
- inline QT3_SUPPORT void setAutoUnload( bool ) {}
- #endif
- private:
- QLibraryPrivate *d;
- bool did_load;
- Q_DISABLE_COPY(QLibrary)
- };
- Q_DECLARE_OPERATORS_FOR_FLAGS(QLibrary::LoadHints)
- #endif //QT_NO_LIBRARY
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif //QLIBRARY_H