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Diffstat (limited to 'src/corelib/plugin/qsystemlibrary_p.h')
-rw-r--r-- | src/corelib/plugin/qsystemlibrary_p.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/corelib/plugin/qsystemlibrary_p.h b/src/corelib/plugin/qsystemlibrary_p.h new file mode 100644 index 0000000000..3251a3c2b3 --- /dev/null +++ b/src/corelib/plugin/qsystemlibrary_p.h @@ -0,0 +1,106 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSYSTEMLIBRARY_P_H +#define QSYSTEMLIBRARY_P_H + +#include <QtCore/qglobal.h> +#ifdef Q_OS_WIN +#include <qt_windows.h> +#include <QtCore/qstring.h> + +class QSystemLibrary +{ +public: + explicit QSystemLibrary(const QString &libraryName) + { + m_libraryName = libraryName; + m_handle = 0; + m_didLoad = false; + } + + explicit QSystemLibrary(const wchar_t *libraryName) + { + m_libraryName = QString::fromWCharArray(libraryName); + m_handle = 0; + m_didLoad = false; + } + + bool load(bool onlySystemDirectory = true) + { + m_handle = load((const wchar_t *)m_libraryName.utf16(), onlySystemDirectory); + m_didLoad = true; + return (m_handle != 0); + } + + bool isLoaded() + { + return (m_handle != 0); + } + + void *resolve(const char *symbol) + { + if (!m_didLoad) + load(); + if (!m_handle) + return 0; +#ifdef Q_OS_WINCE + return (void*)GetProcAddress(m_handle, (const wchar_t*)QString::fromLatin1(symbol).utf16()); +#else + return (void*)GetProcAddress(m_handle, symbol); +#endif + } + + static void *resolve(const QString &libraryName, const char *symbol) + { + return QSystemLibrary(libraryName).resolve(symbol); + } + + static Q_CORE_EXPORT HINSTANCE load(const wchar_t *lpFileName, bool onlySystemDirectory = true); +private: + HINSTANCE m_handle; + QString m_libraryName; + bool m_didLoad; +}; + +#endif //Q_OS_WIN + +#endif //QSYSTEMLIBRARY_P_H |