1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_forms.hxx"
30 
31 #include "enumeration.hxx"
32 
33 #include <com/sun/star/container/NoSuchElementException.hpp>
34 #include <com/sun/star/container/XIndexAccess.hpp>
35 #include <com/sun/star/lang/WrappedTargetException.hpp>
36 #include <com/sun/star/uno/Any.hxx>
37 #include <com/sun/star/uno/RuntimeException.hpp>
38 
39 using com::sun::star::container::NoSuchElementException;
40 using com::sun::star::container::XIndexAccess;
41 using com::sun::star::lang::WrappedTargetException;
42 using com::sun::star::uno::Any;
43 using com::sun::star::uno::Reference;
44 using com::sun::star::uno::RuntimeException;
45 
46 
47 Enumeration::Enumeration( XIndexAccess* pContainer )
48     : mxContainer( pContainer ),
49       mnIndex( 0 )
50 {
51     OSL_ENSURE( mxContainer.is(), "no container?" );
52 }
53 
54 sal_Bool Enumeration::hasMoreElements()
55     throw( RuntimeException )
56 {
57     if( ! mxContainer.is() )
58         throw RuntimeException();
59 
60     return mnIndex < mxContainer->getCount();
61 }
62 
63 Any Enumeration::nextElement()
64     throw( NoSuchElementException,
65            WrappedTargetException,
66            RuntimeException )
67 {
68     if( ! mxContainer.is() )
69         throw RuntimeException();
70     if( mnIndex >= mxContainer->getCount() )
71         throw NoSuchElementException();
72 
73     return mxContainer->getByIndex( mnIndex++ );
74 }
75