forms/source/xforms/enumeration.cxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: enumeration.cxx,v $
  10  * $Revision: 1.6 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_forms.hxx"
  33
  34 #include "enumeration.hxx"
  35
  36 #include <com/sun/star/container/NoSuchElementException.hpp>
  37 #include <com/sun/star/container/XIndexAccess.hpp>
  38 #include <com/sun/star/lang/WrappedTargetException.hpp>
  39 #include <com/sun/star/uno/Any.hxx>
  40 #include <com/sun/star/uno/RuntimeException.hpp>
  41
  42 using com::sun::star::container::NoSuchElementException;
  43 using com::sun::star::container::XIndexAccess;
  44 using com::sun::star::lang::WrappedTargetException;
  45 using com::sun::star::uno::Any;
  46 using com::sun::star::uno::Reference;
  47 using com::sun::star::uno::RuntimeException;
  48
  49
  50 Enumeration::Enumeration( XIndexAccess* pContainer )
  51     : mxContainer( pContainer ),
  52       mnIndex( 0 )
  53 {
  54     OSL_ENSURE( mxContainer.is(), "no container?" );
  55 }
  56
  57 sal_Bool Enumeration::hasMoreElements()
  58     throw( RuntimeException )
  59 {
  60     if( ! mxContainer.is() )
  61         throw RuntimeException();
  62
  63     return mnIndex < mxContainer->getCount();
  64 }
  65
  66 Any Enumeration::nextElement()
  67     throw( NoSuchElementException,
  68            WrappedTargetException,
  69            RuntimeException )
  70 {
  71     if( ! mxContainer.is() )
  72         throw RuntimeException();
  73     if( mnIndex >= mxContainer->getCount() )
  74         throw NoSuchElementException();
  75
  76     return mxContainer->getByIndex( mnIndex++ );
  77 }