qtconcurrentfunctionwrappers.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.
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- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
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- ****************************************************************************/
- #ifndef QTCONCURRENT_FUNCTIONWRAPPERS_H
- #define QTCONCURRENT_FUNCTIONWRAPPERS_H
- #include <QtCore/qglobal.h>
- #ifndef QT_NO_CONCURRENT
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Core)
- #ifndef qdoc
- namespace QtConcurrent {
- template <typename T>
- class FunctionWrapper0
- {
- public:
- typedef T (*FunctionPointerType)();
- typedef T result_type;
- inline FunctionWrapper0(FunctionPointerType _functionPointer)
- :functionPointer(_functionPointer) { }
- inline T operator()()
- {
- return functionPointer();
- }
- private:
- FunctionPointerType functionPointer;
- };
- template <typename T, typename U>
- class FunctionWrapper1
- {
- public:
- typedef T (*FunctionPointerType)(U u);
- typedef T result_type;
- inline FunctionWrapper1(FunctionPointerType _functionPointer)
- :functionPointer(_functionPointer) { }
- inline T operator()(U u)
- {
- return functionPointer(u);
- }
- private:
- FunctionPointerType functionPointer;
- };
- template <typename T, typename U, typename V>
- class FunctionWrapper2
- {
- public:
- typedef T (*FunctionPointerType)(U u, V v);
- typedef T result_type;
- inline FunctionWrapper2(FunctionPointerType _functionPointer)
- :functionPointer(_functionPointer) { }
- inline T operator()(U u, V v)
- {
- return functionPointer(u, v);
- }
- private:
- FunctionPointerType functionPointer;
- };
- template <typename T, typename C>
- class MemberFunctionWrapper
- {
- public:
- typedef T (C::*FunctionPointerType)();
- typedef T result_type;
- inline MemberFunctionWrapper(FunctionPointerType _functionPointer)
- :functionPointer(_functionPointer) { }
- inline T operator()(C &c)
- {
- return (c.*functionPointer)();
- }
- private:
- FunctionPointerType functionPointer;
- };
- template <typename T, typename C, typename U>
- class MemberFunctionWrapper1
- {
- public:
- typedef T (C::*FunctionPointerType)(U);
- typedef T result_type;
- inline MemberFunctionWrapper1(FunctionPointerType _functionPointer)
- : functionPointer(_functionPointer)
- { }
- inline T operator()(C &c, U u)
- {
- return (c.*functionPointer)(u);
- }
- private:
- FunctionPointerType functionPointer;
- };
- template <typename T, typename C>
- class ConstMemberFunctionWrapper
- {
- public:
- typedef T (C::*FunctionPointerType)() const;
- typedef T result_type;
- inline ConstMemberFunctionWrapper(FunctionPointerType _functionPointer)
- :functionPointer(_functionPointer) { }
- inline T operator()(const C &c) const
- {
- return (c.*functionPointer)();
- }
- private:
- FunctionPointerType functionPointer;
- };
- } // namespace QtConcurrent.
- #endif //qdoc
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QT_NO_CONCURRENT
- #endif