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| ** Copyright (C) 2015 The Qt Company Ltd. |
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| ** This file is part of the QtCore module of the Qt Toolkit. |
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| |
| #ifndef QTCONCURRENT_MAP_H |
| #define QTCONCURRENT_MAP_H |
| |
| #include <QtConcurrent/qtconcurrent_global.h> |
| |
| #ifndef QT_NO_CONCURRENT |
| |
| #include <QtConcurrent/qtconcurrentmapkernel.h> |
| #include <QtConcurrent/qtconcurrentreducekernel.h> |
| #include <QtConcurrent/qtconcurrentfunctionwrappers.h> |
| #include <QtCore/qstringlist.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| #ifdef Q_QDOC |
| |
| namespace QtConcurrent { |
| |
| QFuture<void> map(Sequence &sequence, MapFunction function); |
| QFuture<void> map(Iterator begin, Iterator end, MapFunction function); |
| |
| template <typename T> |
| QFuture<T> mapped(const Sequence &sequence, MapFunction function); |
| template <typename T> |
| QFuture<T> mapped(ConstIterator begin, ConstIterator end, MapFunction function); |
| |
| template <typename T> |
| QFuture<T> mappedReduced(const Sequence &sequence, |
| MapFunction function, |
| ReduceFunction function, |
| QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce); |
| template <typename T> |
| QFuture<T> mappedReduced(ConstIterator begin, |
| ConstIterator end, |
| MapFunction function, |
| ReduceFunction function, |
| QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce); |
| |
| void blockingMap(Sequence &sequence, MapFunction function); |
| void blockingMap(Iterator begin, Iterator end, MapFunction function); |
| |
| template <typename T> |
| T blockingMapped(const Sequence &sequence, MapFunction function); |
| template <typename T> |
| T blockingMapped(ConstIterator begin, ConstIterator end, MapFunction function); |
| |
| template <typename T> |
| T blockingMappedReduced(const Sequence &sequence, |
| MapFunction function, |
| ReduceFunction function, |
| QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce); |
| template <typename T> |
| T blockingMappedReduced(ConstIterator begin, |
| ConstIterator end, |
| MapFunction function, |
| ReduceFunction function, |
| QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce); |
| |
| } // namespace QtConcurrent |
| |
| #else |
| |
| namespace QtConcurrent { |
| |
| // map() on sequences |
| template <typename Sequence, typename MapFunctor> |
| QFuture<void> map(Sequence &sequence, MapFunctor map) |
| { |
| return startMap(sequence.begin(), sequence.end(), QtPrivate::createFunctionWrapper(map)); |
| } |
| |
| // map() on iterators |
| template <typename Iterator, typename MapFunctor> |
| QFuture<void> map(Iterator begin, Iterator end, MapFunctor map) |
| { |
| return startMap(begin, end, QtPrivate::createFunctionWrapper(map)); |
| } |
| |
| // mappedReduced() for sequences. |
| template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor> |
| QFuture<ResultType> mappedReduced(const Sequence &sequence, |
| MapFunctor map, |
| ReduceFunctor reduce, |
| ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce)) |
| { |
| return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType> |
| (sequence, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::createFunctionWrapper(reduce), |
| options); |
| } |
| |
| template <typename Sequence, typename MapFunctor, typename ReduceFunctor> |
| QFuture<typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType> mappedReduced(const Sequence &sequence, |
| MapFunctor map, |
| ReduceFunctor reduce, |
| ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce)) |
| { |
| return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType> |
| (sequence, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::createFunctionWrapper(reduce), |
| options); |
| } |
| |
| // mappedReduced() for iterators |
| template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor> |
| QFuture<ResultType> mappedReduced(Iterator begin, |
| Iterator end, |
| MapFunctor map, |
| ReduceFunctor reduce, |
| ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce)) |
| { |
| return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType> |
| (begin, end, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::createFunctionWrapper(reduce), |
| options); |
| } |
| |
| template <typename Iterator, typename MapFunctor, typename ReduceFunctor> |
| QFuture<typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType> mappedReduced(Iterator begin, |
| Iterator end, |
| MapFunctor map, |
| ReduceFunctor reduce, |
| ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce)) |
| { |
| return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType> |
| (begin, end, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::createFunctionWrapper(reduce), |
| options); |
| } |
| |
| // mapped() for sequences |
| template <typename Sequence, typename MapFunctor> |
| QFuture<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType> mapped(const Sequence &sequence, MapFunctor map) |
| { |
| return startMapped<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType>(sequence, QtPrivate::createFunctionWrapper(map)); |
| } |
| |
| // mapped() for iterator ranges. |
| template <typename Iterator, typename MapFunctor> |
| QFuture<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType> mapped(Iterator begin, Iterator end, MapFunctor map) |
| { |
| return startMapped<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType>(begin, end, QtPrivate::createFunctionWrapper(map)); |
| } |
| |
| // blockingMap() for sequences |
| template <typename Sequence, typename MapFunctor> |
| void blockingMap(Sequence &sequence, MapFunctor map) |
| { |
| startMap(sequence.begin(), sequence.end(), QtPrivate::createFunctionWrapper(map)).startBlocking(); |
| } |
| |
| // blockingMap() for iterator ranges |
| template <typename Iterator, typename MapFunctor> |
| void blockingMap(Iterator begin, Iterator end, MapFunctor map) |
| { |
| startMap(begin, end, QtPrivate::createFunctionWrapper(map)).startBlocking(); |
| } |
| |
| // blockingMappedReduced() for sequences |
| template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor> |
| ResultType blockingMappedReduced(const Sequence &sequence, |
| MapFunctor map, |
| ReduceFunctor reduce, |
| ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce)) |
| { |
| return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType> |
| (sequence, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::createFunctionWrapper(reduce), |
| options) |
| .startBlocking(); |
| } |
| |
| template <typename MapFunctor, typename ReduceFunctor, typename Sequence> |
| typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType blockingMappedReduced(const Sequence &sequence, |
| MapFunctor map, |
| ReduceFunctor reduce, |
| ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce)) |
| { |
| return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType> |
| (sequence, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::createFunctionWrapper(reduce), |
| options) |
| .startBlocking(); |
| } |
| |
| // blockingMappedReduced() for iterator ranges |
| template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor> |
| ResultType blockingMappedReduced(Iterator begin, |
| Iterator end, |
| MapFunctor map, |
| ReduceFunctor reduce, |
| QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce)) |
| { |
| return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType> |
| (begin, end, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::createFunctionWrapper(reduce), |
| options) |
| .startBlocking(); |
| } |
| |
| template <typename Iterator, typename MapFunctor, typename ReduceFunctor> |
| typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType blockingMappedReduced(Iterator begin, |
| Iterator end, |
| MapFunctor map, |
| ReduceFunctor reduce, |
| QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce)) |
| { |
| return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType> |
| (begin, end, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::createFunctionWrapper(reduce), |
| options) |
| .startBlocking(); |
| } |
| |
| // mapped() for sequences with a different putput sequence type. |
| template <typename OutputSequence, typename InputSequence, typename MapFunctor> |
| OutputSequence blockingMapped(const InputSequence &sequence, MapFunctor map) |
| { |
| return blockingMappedReduced<OutputSequence> |
| (sequence, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::PushBackWrapper(), |
| QtConcurrent::OrderedReduce); |
| } |
| |
| template <typename MapFunctor, typename InputSequence> |
| typename QtPrivate::MapResultType<InputSequence, MapFunctor>::ResultType blockingMapped(const InputSequence &sequence, MapFunctor map) |
| { |
| typedef typename QtPrivate::MapResultType<InputSequence, MapFunctor>::ResultType OutputSequence; |
| return blockingMappedReduced<OutputSequence> |
| (sequence, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::PushBackWrapper(), |
| QtConcurrent::OrderedReduce); |
| } |
| |
| // mapped() for iterator ranges |
| template <typename Sequence, typename Iterator, typename MapFunctor> |
| Sequence blockingMapped(Iterator begin, Iterator end, MapFunctor map) |
| { |
| return blockingMappedReduced<Sequence> |
| (begin, end, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::PushBackWrapper(), |
| QtConcurrent::OrderedReduce); |
| } |
| |
| template <typename Iterator, typename MapFunctor> |
| typename QtPrivate::MapResultType<Iterator, MapFunctor>::ResultType blockingMapped(Iterator begin, Iterator end, MapFunctor map) |
| { |
| typedef typename QtPrivate::MapResultType<Iterator, MapFunctor>::ResultType OutputSequence; |
| return blockingMappedReduced<OutputSequence> |
| (begin, end, |
| QtPrivate::createFunctionWrapper(map), |
| QtPrivate::PushBackWrapper(), |
| QtConcurrent::OrderedReduce); |
| } |
| |
| } // namespace QtConcurrent |
| |
| #endif // Q_QDOC |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_CONCURRENT |
| |
| #endif |