libreoffice/forms/source/xforms/enumeration.cxx

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#include "enumeration.hxx"

#include <com/sun/star/container/NoSuchElementException.hpp>
#include <com/sun/star/container/XIndexAccess.hpp>
#include <com/sun/star/lang/WrappedTargetException.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/RuntimeException.hpp>

using com::sun::star::container::NoSuchElementException;
using com::sun::star::container::XIndexAccess;
using com::sun::star::lang::WrappedTargetException;
using com::sun::star::uno::Any;
using com::sun::star::uno::Reference;
using com::sun::star::uno::RuntimeException;


Enumeration::Enumeration( XIndexAccess* pContainer )
    : mxContainer( pContainer ),
      mnIndex( 0 )
{
    OSL_ENSURE( mxContainer.is(), "no container?" );
}

sal_Bool Enumeration::hasMoreElements()
    throw( RuntimeException )
{
    if( ! mxContainer.is() )
        throw RuntimeException();

    return mnIndex < mxContainer->getCount();
}

Any Enumeration::nextElement()
    throw( NoSuchElementException,
           WrappedTargetException,
           RuntimeException )
{
    if( ! mxContainer.is() )
        throw RuntimeException();
    if( mnIndex >= mxContainer->getCount() )
        throw NoSuchElementException();

    return mxContainer->getByIndex( mnIndex++ );
}

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