CloneHelper.hxx

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#pragma once
 
#include <com/sun/star/util/XCloneable.hpp>
#include <rtl/ref.hxx>
#include <algorithm>
#include <iterator>
#include <vector>
 
namespace chart::CloneHelper
{
 
template< class Interface >
    struct CreateRefClone
{
    css::uno::Reference<Interface> operator() ( const css::uno::Reference<Interface> & xOther )
    {
        css::uno::Reference<Interface> xResult;
        css::uno::Reference< css::util::XCloneable >
              xCloneable( xOther, css::uno::UNO_QUERY );
        if( xCloneable.is())
            xResult.set( xCloneable->createClone(), css::uno::UNO_QUERY );
 
        return xResult;
    }
};
 
template< class Interface >
    void CloneRefVector(
        const std::vector< css::uno::Reference< Interface > > & rSource,
        std::vector< css::uno::Reference< Interface > > & rDestination )
{
    std::transform( rSource.begin(), rSource.end(),
                      std::back_inserter( rDestination ),
                      CreateRefClone< Interface >());
}
 
template< class T >
    void CloneRefVector(
        const std::vector< rtl::Reference< T > > & rSource,
        std::vector< rtl::Reference< T > > & rDestination )
{
    for (const auto & rSourceItem : rSource)
        rDestination.push_back(static_cast<T*>(rSourceItem->createClone().get()));
}
 
template< class Interface >
    void CloneRefSequence(
        const css::uno::Sequence< css::uno::Reference<Interface> > & rSource,
        css::uno::Sequence< css::uno::Reference<Interface> > & rDestination )
{
    rDestination.realloc( rSource.getLength());
    std::transform( rSource.begin(), rSource.end(),
                      rDestination.getArray(),
                      CreateRefClone< Interface >());
}
 
} //  namespace chart::CloneHelper
 
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