167 lines
3.9 KiB
C++
167 lines
3.9 KiB
C++
// -*- C++ -*-
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#ifndef __anonymous_range_h__
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#define __anonymous_range_h__
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#include <cstdlib>
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#include "base_def.h"
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namespace MultiArrayTools
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{
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typedef SingleIndex<size_t,RangeType::NONE> AnonymousIndex;
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template <typename U, RangeType TYPE>
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class AnonymousRangeFactory : public RangeFactoryBase
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{
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public:
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typedef AnonymousRange oType;
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AnonymousRangeFactory() = delete;
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template <class... Ranges>
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AnonymousRangeFactory(const std::tuple<std::shared_ptr<Ranges>...>& origs);
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template <class... Ranges>
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AnonymousRangeFactory(std::shared_ptr<Ranges>... origs);
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std::shared_ptr<RangeBase> create();
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};
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class AnonymousRange : public RangeInterface<AnonymousIndex>
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{
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typedef RangeBase RB;
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typedef typename RangeInterface<AnonymousIndex>::IndexType IndexType;
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virtual size_t size() const override;
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virtual size_t dim() const override;
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size_t get(size_t pos) const;
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size_t getMeta(size_t metaPos) const;
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virtual IndexType begin() const override;
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virtual IndexType end() const override;
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virtual std::shared_ptr<VIWB> index() const override;
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friend AnonymousRangeFactory;
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protected:
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AnonymousRange() = delete;
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AnonymousRange(const AnonymousRange& in) = delete;
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template <class Ranges...>
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AnonymousRange(const std::tuple<std::shared_ptr<Ranges>...>& origs)
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template <class Ranges...>
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AnonymousRange(std::shared_ptr<Ranges>... origs);
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size_t mSize;
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std::vector<std::shared_ptr<RangeBase> > mOrig;
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};
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}
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/* ========================= *
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* --- TEMPLATE CODE --- *
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* ========================= */
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namespace MultiArrayTools
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{
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/***********************
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* AnonymousRange *
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***********************/
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template <class... Ranges>
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AnonymousRangeFactory::AnonymousRangeFactory(const std::tuple<std::shared_ptr<Ranges>...>& origs)
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{
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mProd = std::shared_ptr<oType>( new AnonymousRange( origs ) );
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}
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template <class... Ranges>
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AnonymousRangeFactory::AnonymousRangeFactory(std::shared_ptr<Ranges>... origs)
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{
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mProd = std::shared_ptr<oType>( new AnonymousRange( origs... ) );
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}
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std::shared_ptr<RangeBase> AnonymousRangeFactory::create()
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{
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setSelf();
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return mProd;
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}
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/***********************
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* AnonymousRange *
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***********************/
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template <class... Ranges>
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AnonymousRange::AnonymousRange(const std::tuple<std::shared_ptr<Ranges>...>& origs) :
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RangeInterface<AnonymousIndex>()
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{
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mOrig.resize(sizeof...(Ranges));
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PackNum<sizeof...(Ranges)-1>::RangesToVec( origs, mOrig );
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PackNum<sizeof...(Ranges)-1>::getSize( rst );
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}
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template <class... Ranges>
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AnonymousRange::AnonymousRange(std::shared_ptr<Ranges>... origs) :
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RangeInterface<AnonymousIndex>()
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{
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auto rst = std::make_tuple(origs...);
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mOrig.resize(sizeof...(Ranges));
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PackNum<sizeof...(Ranges)-1>::RangesToVec( rst, mOrig );
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PackNum<sizeof...(Ranges)-1>::getSize( rst );
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}
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size_t AnonymousRange::get(size_t pos) const
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{
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return pos;
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}
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size_t AnonymousRange::getMeta(size_t metaPos) const
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{
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return metaPos;
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}
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size_t AnonymousRange::size() const
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{
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return mSize;
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}
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size_t AnonymousRange::dim() const
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{
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return 1;
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}
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typename AnonymousRange::IndexType AnonymousRange::begin() const
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{
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SingleIndex i( std::dynamic_pointer_cast<AnonymousRange>
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( std::shared_ptr<RangeBase>( RB::mThis ) ) );
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i = 0;
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return i;
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}
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typename AnonymousRange::IndexType AnonymousRange::end() const
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{
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SingleIndex i( std::dynamic_pointer_cast<AnonymousRange>
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( std::shared_ptr<RangeBase>( RB::mThis ) ) );
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i = size();
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return i;
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}
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// put this in the interface class !!!
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std::shared_ptr<VIWB> AnonymousRange::index() const
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{
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return std::make_shared<VIWB>
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(std::make_shared<SingleIndex >
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( std::dynamic_pointer_cast<AnonymousRange>
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( std::shared_ptr<RangeBase>( RB::mThis ) ) ) );
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}
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}
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#endif
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