refvector.hxx

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#ifndef INCLUDED_OOX_HELPER_REFVECTOR_HXX
#define INCLUDED_OOX_HELPER_REFVECTOR_HXX
 
#include <algorithm>
#include <functional>
#include <memory>
#include <utility>
#include <vector>
 
#include <sal/types.h>
 
namespace oox {
 
 
template< typename ObjType >
class RefVector : public ::std::vector< std::shared_ptr< ObjType > >
{
public:
    typedef ::std::vector< std::shared_ptr< ObjType > > container_type;
    typedef typename container_type::value_type             value_type;
    typedef typename container_type::size_type              size_type;
 
public:
 
    value_type          get( sal_Int32 nIndex ) const
                        {
                            if( const value_type* pxRef = getRef( nIndex ) ) return *pxRef;
                            return value_type();
                        }
 
    template< typename FunctorType >
    void                forEach( FunctorType aFunctor ) const
                        {
                            ::std::for_each( this->begin(), this->end(), ForEachFunctor< FunctorType >( aFunctor ) );
                        }
 
    template< typename FuncType >
    void                forEachMem( FuncType pFunc ) const
                        {
                            forEach( ::std::bind( pFunc, std::placeholders::_1 ) );
                        }
 
    template< typename FuncType, typename ParamType >
    void                forEachMem( FuncType pFunc, ParamType aParam ) const
                        {
                            forEach( ::std::bind( pFunc, std::placeholders::_1, aParam ) );
                        }
 
    template< typename FuncType, typename ParamType1, typename ParamType2 >
    void                forEachMem( FuncType pFunc, ParamType1 aParam1, ParamType2 aParam2 ) const
                        {
                            forEach( ::std::bind( pFunc, std::placeholders::_1, aParam1, aParam2 ) );
                        }
 
    template< typename FuncType, typename ParamType1, typename ParamType2, typename ParamType3 >
    void                forEachMem( FuncType pFunc, ParamType1 aParam1, ParamType2 aParam2, ParamType3 aParam3 ) const
                        {
                            forEach( ::std::bind( pFunc, std::placeholders::_1, aParam1, aParam2, aParam3 ) );
                        }
 
    template< typename FunctorType >
    void                forEachWithIndex( const FunctorType& rFunctor ) const
                        {
                            ::std::for_each( this->begin(), this->end(), ForEachFunctorWithIndex< FunctorType >( rFunctor ) );
                        }
 
    template< typename FuncType, typename ParamType1, typename ParamType2 >
    void                forEachMemWithIndex( FuncType pFunc, ParamType1 aParam1, ParamType2 aParam2 ) const
                        {
                            forEachWithIndex( ::std::bind( pFunc, std::placeholders::_2, std::placeholders::_1, aParam1, aParam2 ) );
                        }
 
    template< typename FunctorType >
    value_type          findIf( const FunctorType& rFunctor ) const
                        {
                            typename container_type::const_iterator aIt = ::std::find_if( this->begin(), this->end(), FindFunctor< FunctorType >( rFunctor ) );
                            return (aIt == this->end()) ? value_type() : *aIt;
                        }
 
private:
    template< typename FunctorType >
    struct ForEachFunctor
    {
        FunctorType         maFunctor;
        explicit            ForEachFunctor( FunctorType aFunctor ) : maFunctor(std::move( aFunctor )) {}
        void                operator()( const value_type& rxValue ) { if( rxValue.get() ) maFunctor( *rxValue ); }
    };
 
    template< typename FunctorType >
    struct ForEachFunctorWithIndex
    {
        FunctorType         maFunctor;
        sal_Int32           mnIndex;
        explicit            ForEachFunctorWithIndex( FunctorType aFunctor ) : maFunctor(std::move( aFunctor )), mnIndex( 0 ) {}
        void                operator()( const value_type& rxValue ) {
            if( rxValue.get() ) maFunctor( mnIndex, *rxValue );
            ++mnIndex;
        }
    };
 
    template< typename FunctorType >
    struct FindFunctor
    {
        FunctorType         maFunctor;
        explicit            FindFunctor( const FunctorType& rFunctor ) : maFunctor( rFunctor ) {}
        bool                operator()( const value_type& rxValue ) { return rxValue.get() && maFunctor( *rxValue ); }
    };
 
    const value_type*   getRef( sal_Int32 nIndex ) const
                        {
                            return ((0 <= nIndex) && (static_cast< size_type >( nIndex ) < this->size())) ?
                                &(*this)[ static_cast< size_type >( nIndex ) ] : nullptr;
                        }
};
 
 
} // namespace oox
 
#endif
 
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