range_base.cc.h

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// -*- C++ -*-
#ifndef __cxz_range_base_cc_h__
#define __cxz_range_base_cc_h__
 
#include "range_base.h"
#include "dindex.h"
#include "mrange.h"
 
namespace CNORXZ
{
 
    template <class Range>
    decltype(auto) RangeInterface<Range>::begin() const
    {
    typedef typename Range::IndexType IndexType;
    return IndexType(RangePtr(RB::mThis), 0);
    }
 
    template <class Range>
    decltype(auto) RangeInterface<Range>::end() const
    {
    typedef typename Range::IndexType IndexType;
    return IndexType(RangePtr(RB::mThis), this->size());
    }
 
    template <class Range>
    DIndex RangeInterface<Range>::index(SizeT pos) const
    {
    typedef typename Range::IndexType IndexType;
    typedef typename IndexType::MetaType MetaType;
    return XIndexPtr(std::make_shared<XIndex<IndexType,MetaType>>( this->begin()+pos ));
    }
    
    template <class Range>
    Sptr<Range> RangeCast<Range>::func(const RangePtr& r)
    {
    CXZ_ERROR("cast from '" << r->type().name() << "' to '"
          << typeid(Range).name() << "' not available");
    return nullptr;
    }
 
    template <class Range>
    Sptr<Range> rangeCast(const RangePtr r)
    {
    if(typeid(Range) == r->type()) {
        return std::dynamic_pointer_cast<Range>(r);
    }
    else {
        return RangeCast<Range>::func(r);
    }
    }
 
}
 
#endif