forms/source/xforms/enumeration.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include "enumeration.hxx"
  22
  23 #include <osl/diagnose.h>
  24
  25 #include <com/sun/star/container/NoSuchElementException.hpp>
  26 #include <com/sun/star/container/XIndexAccess.hpp>
  27 #include <com/sun/star/lang/WrappedTargetException.hpp>
  28 #include <com/sun/star/uno/Any.hxx>
  29 #include <com/sun/star/uno/RuntimeException.hpp>
  30
  31 using com::sun::star::container::NoSuchElementException;
  32 using com::sun::star::container::XIndexAccess;
  33 using com::sun::star::lang::WrappedTargetException;
  34 using com::sun::star::uno::Any;
  35 using com::sun::star::uno::RuntimeException;
  36
  37
  38 Enumeration::Enumeration( XIndexAccess* pContainer )
  39     : mxContainer( pContainer ),
  40       mnIndex( 0 )
  41 {
  42     OSL_ENSURE( mxContainer.is(), "no container?" );
  43 }
  44
  45 sal_Bool Enumeration::hasMoreElements()
  46 {
  47     if( ! mxContainer.is() )
  48         throw RuntimeException();
  49
  50     return mnIndex < mxContainer->getCount();
  51 }
  52
  53 Any Enumeration::nextElement()
  54 {
  55     if( ! mxContainer.is() )
  56         throw RuntimeException();
  57     if( mnIndex >= mxContainer->getCount() )
  58         throw NoSuchElementException();
  59
  60     return mxContainer->getByIndex( mnIndex++ );
  61 }
  62
  63 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */