sortedarray.hxx

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#ifndef INCLUDED_SW_SOURCE_FILTER_WW8_SORTEDARRAY_HXX
#define INCLUDED_SW_SOURCE_FILTER_WW8_SORTEDARRAY_HXX
 
#include <osl/diagnose.h>
#include <algorithm>
 
//simple template that manages a static [] array by sorting at construction
 
namespace ww
{
    template<class C> class SortedArray
    {
    private:
        //The array e.g. of sprms.
        C *mpWwSprmTab;
        size_t mnNoElems;
 
        SortedArray(const SortedArray&) = delete;
        SortedArray& operator=(const SortedArray&) = delete;
    public:
        //Find an entry, return its address if found and 0 if not
        const C *search(C aSrch) const
        {
            std::pair<C *, C *> aPair =
                std::equal_range(mpWwSprmTab, mpWwSprmTab + mnNoElems, aSrch);
            if (aPair.first != aPair.second)
                return aPair.first;
            else
                return nullptr;
        }
 
        SortedArray(C *pWwSprmTab, size_t nNoElems)
            : mpWwSprmTab(pWwSprmTab), mnNoElems(nNoElems)
        {
            OSL_ENSURE(mnNoElems && pWwSprmTab, "WW8: empty Array: Don't do that");
            std::sort(mpWwSprmTab, mpWwSprmTab + mnNoElems);
        }
    };
}
#endif
 
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