enumeration.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
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 */
 
#include "enumeration.hxx"
 
#include <osl/diagnose.h>
 
#include <com/sun/star/container/NoSuchElementException.hpp>
#include <com/sun/star/container/XIndexAccess.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::uno::Any;
using com::sun::star::uno::RuntimeException;
 
Enumeration::Enumeration(XIndexAccess* pContainer)
    : mxContainer(pContainer)
    , mnIndex(0)
{
    OSL_ENSURE(mxContainer.is(), "no container?");
}
 
sal_Bool Enumeration::hasMoreElements()
{
    if (!mxContainer.is())
        throw RuntimeException();
 
    return mnIndex < mxContainer->getCount();
}
 
Any Enumeration::nextElement()
{
    if (!mxContainer.is())
        throw RuntimeException();
    if (mnIndex >= mxContainer->getCount())
        throw NoSuchElementException();
 
    return mxContainer->getByIndex(mnIndex++);
}
 
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