| /**************************************************************************** |
| ** |
| ** 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. |
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| ** $QT_BEGIN_LICENSE:LGPL21$ |
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| ****************************************************************************/ |
| |
| #ifndef QSYSTEMLIBRARY_P_H |
| #define QSYSTEMLIBRARY_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/qglobal.h> |
| #ifdef Q_OS_WIN |
| # include <QtCore/qstring.h> |
| # include <qt_windows.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); |
| } |
| |
| QFunctionPointer resolve(const char *symbol) |
| { |
| if (!m_didLoad) |
| load(); |
| if (!m_handle) |
| return 0; |
| #ifdef Q_OS_WINCE |
| return QFunctionPointer(GetProcAddress(m_handle, (const wchar_t*)QString::fromLatin1(symbol).utf16())); |
| #else |
| return QFunctionPointer(GetProcAddress(m_handle, symbol)); |
| #endif |
| } |
| |
| static QFunctionPointer 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 |