268 lines
11 KiB
C++
268 lines
11 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QTCONCURRENT_MAP_H
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#define QTCONCURRENT_MAP_H
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#include <QtConcurrent/qtconcurrent_global.h>
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#if !defined(QT_NO_CONCURRENT) || defined(Q_CLANG_QDOC)
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#include <QtConcurrent/qtconcurrentmapkernel.h>
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#include <QtConcurrent/qtconcurrentreducekernel.h>
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#include <QtConcurrent/qtconcurrentfunctionwrappers.h>
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#include <QtCore/qstringlist.h>
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QT_BEGIN_NAMESPACE
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namespace QtConcurrent {
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// map() on sequences
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template <typename Sequence, typename MapFunctor>
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QFuture<void> map(Sequence &sequence, MapFunctor map)
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{
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return startMap(sequence.begin(), sequence.end(), QtPrivate::createFunctionWrapper(map));
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}
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// map() on iterators
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template <typename Iterator, typename MapFunctor>
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QFuture<void> map(Iterator begin, Iterator end, MapFunctor map)
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{
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return startMap(begin, end, QtPrivate::createFunctionWrapper(map));
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}
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// mappedReduced() for sequences.
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template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
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QFuture<ResultType> mappedReduced(const Sequence &sequence,
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MapFunctor map,
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ReduceFunctor reduce,
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ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
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{
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return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType>
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(sequence,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::createFunctionWrapper(reduce),
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options);
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}
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template <typename Sequence, typename MapFunctor, typename ReduceFunctor>
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QFuture<typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType> mappedReduced(const Sequence &sequence,
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MapFunctor map,
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ReduceFunctor reduce,
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ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
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{
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return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType>
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(sequence,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::createFunctionWrapper(reduce),
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options);
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}
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// mappedReduced() for iterators
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template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
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QFuture<ResultType> mappedReduced(Iterator begin,
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Iterator end,
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MapFunctor map,
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ReduceFunctor reduce,
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ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
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{
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return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType>
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(begin, end,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::createFunctionWrapper(reduce),
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options);
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}
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template <typename Iterator, typename MapFunctor, typename ReduceFunctor>
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QFuture<typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType> mappedReduced(Iterator begin,
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Iterator end,
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MapFunctor map,
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ReduceFunctor reduce,
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ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
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{
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return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType>
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(begin, end,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::createFunctionWrapper(reduce),
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options);
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}
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// mapped() for sequences
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template <typename Sequence, typename MapFunctor>
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QFuture<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType> mapped(const Sequence &sequence, MapFunctor map)
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{
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return startMapped<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType>(sequence, QtPrivate::createFunctionWrapper(map));
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}
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// mapped() for iterator ranges.
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template <typename Iterator, typename MapFunctor>
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QFuture<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType> mapped(Iterator begin, Iterator end, MapFunctor map)
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{
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return startMapped<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType>(begin, end, QtPrivate::createFunctionWrapper(map));
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}
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// blockingMap() for sequences
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template <typename Sequence, typename MapFunctor>
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void blockingMap(Sequence &sequence, MapFunctor map)
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{
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startMap(sequence.begin(), sequence.end(), QtPrivate::createFunctionWrapper(map)).startBlocking();
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}
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// blockingMap() for iterator ranges
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template <typename Iterator, typename MapFunctor>
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void blockingMap(Iterator begin, Iterator end, MapFunctor map)
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{
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startMap(begin, end, QtPrivate::createFunctionWrapper(map)).startBlocking();
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}
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// blockingMappedReduced() for sequences
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template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
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ResultType blockingMappedReduced(const Sequence &sequence,
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MapFunctor map,
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ReduceFunctor reduce,
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ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
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{
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return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType>
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(sequence,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::createFunctionWrapper(reduce),
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options)
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.startBlocking();
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}
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template <typename MapFunctor, typename ReduceFunctor, typename Sequence>
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typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType blockingMappedReduced(const Sequence &sequence,
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MapFunctor map,
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ReduceFunctor reduce,
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ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
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{
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return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType>
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(sequence,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::createFunctionWrapper(reduce),
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options)
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.startBlocking();
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}
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// blockingMappedReduced() for iterator ranges
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template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
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ResultType blockingMappedReduced(Iterator begin,
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Iterator end,
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MapFunctor map,
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ReduceFunctor reduce,
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QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
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{
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return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType>
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(begin, end,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::createFunctionWrapper(reduce),
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options)
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.startBlocking();
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}
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template <typename Iterator, typename MapFunctor, typename ReduceFunctor>
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typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType blockingMappedReduced(Iterator begin,
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Iterator end,
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MapFunctor map,
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ReduceFunctor reduce,
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QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
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{
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return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType>
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(begin, end,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::createFunctionWrapper(reduce),
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options)
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.startBlocking();
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}
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// mapped() for sequences with a different putput sequence type.
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template <typename OutputSequence, typename InputSequence, typename MapFunctor>
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OutputSequence blockingMapped(const InputSequence &sequence, MapFunctor map)
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{
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return blockingMappedReduced<OutputSequence>
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(sequence,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::PushBackWrapper(),
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QtConcurrent::OrderedReduce);
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}
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template <typename MapFunctor, typename InputSequence>
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typename QtPrivate::MapResultType<InputSequence, MapFunctor>::ResultType blockingMapped(const InputSequence &sequence, MapFunctor map)
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{
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typedef typename QtPrivate::MapResultType<InputSequence, MapFunctor>::ResultType OutputSequence;
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return blockingMappedReduced<OutputSequence>
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(sequence,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::PushBackWrapper(),
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QtConcurrent::OrderedReduce);
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}
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// mapped() for iterator ranges
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template <typename Sequence, typename Iterator, typename MapFunctor>
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Sequence blockingMapped(Iterator begin, Iterator end, MapFunctor map)
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{
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return blockingMappedReduced<Sequence>
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(begin, end,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::PushBackWrapper(),
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QtConcurrent::OrderedReduce);
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}
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template <typename Iterator, typename MapFunctor>
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typename QtPrivate::MapResultType<Iterator, MapFunctor>::ResultType blockingMapped(Iterator begin, Iterator end, MapFunctor map)
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{
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typedef typename QtPrivate::MapResultType<Iterator, MapFunctor>::ResultType OutputSequence;
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return blockingMappedReduced<OutputSequence>
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(begin, end,
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QtPrivate::createFunctionWrapper(map),
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QtPrivate::PushBackWrapper(),
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QtConcurrent::OrderedReduce);
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}
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} // namespace QtConcurrent
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QT_END_NAMESPACE
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#endif // QT_NO_CONCURRENT
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#endif
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