CellSets.h

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#ifndef __smoab_CellSets_h
#define __smoab_CellSets_h

#include "SimpleMoab.h"

namespace smoab
{
//----------------------------------------------------------------------------
class CellSet
{
  public:
    CellSet( smoab::EntityHandle p, const smoab::Range& cells ) : Entity( p ), Cells( cells ) {}

    const smoab::Range& cells() const
    {
        return this->Cells;
    }
    EntityHandle entity() const
    {
        return this->Entity;
    }

    bool contains( smoab::EntityHandle c ) const
    {
        return this->Cells.find( c ) != this->Cells.end();
    }

    void erase( smoab::Range cells )
    {
        //seems that erase() has a bug, so use subtract
        this->Cells = smoab::subtract( this->Cells, cells );
    }

  private:
    smoab::EntityHandle Entity;
    smoab::Range Cells;
};

//----------------------------------------------------------------------------
//CellSets are just a vector of CellSets
typedef std::vector< CellSet > CellSets;

//----------------------------------------------------------------------------
//templated so it works with FaceCellSets and CellSets
template < typename T >
smoab::Range getParents( const T& set )
{
    typedef typename T::const_iterator iterator;
    smoab::Range result;

    for( iterator i = set.begin(); i != set.end(); ++i )
    {
        result.insert( i->entity() );
    }
    return result;
}

//----------------------------------------------------------------------------
//templated so it works with FaceCellSets and CellSets
template < typename T >
smoab::Range getAllCells( const T& set )
{
    typedef typename T::const_iterator iterator;
    smoab::Range result;

    for( iterator i = set.begin(); i != set.end(); ++i )
    {
        smoab::Range c = i->cells();
        result.insert( c.begin(), c.end() );
    }
    return result;
}

}  // namespace smoab

#endif