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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSYSTEMLIBRARY_P_H
#define QSYSTEMLIBRARY_P_H
#include <QtCore/qglobal.h>
#ifdef Q_OS_WIN
#include <qt_windows.h>
#include <QtCore/qstring.h>
QT_BEGIN_NAMESPACE
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;
};
QT_END_NAMESPACE
#endif // Q_OS_WIN
#endif // QSYSTEMLIBRARY_P_H
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