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 #include "enumeration.hxx"
  21
  22 #include <osl/diagnose.h>
  23
  24 #include <com/sun/star/container/NoSuchElementException.hpp>
  25 #include <com/sun/star/container/XIndexAccess.hpp>
  26 #include <com/sun/star/uno/Any.hxx>
  27 #include <com/sun/star/uno/RuntimeException.hpp>
  28
  29 using com::sun::star::container::NoSuchElementException;
  30 using com::sun::star::container::XIndexAccess;
  31 using com::sun::star::uno::Any;
  32 using com::sun::star::uno::RuntimeException;
  33
  34 Enumeration::Enumeration(XIndexAccess* pContainer)
  35     : mxContainer(pContainer)
  36     , mnIndex(0)
  37 {
  38     OSL_ENSURE(mxContainer.is(), "no container?");
  39 }
  40
  41 sal_Bool Enumeration::hasMoreElements()
  42 {
  43     if (!mxContainer.is())
  44         throw RuntimeException();
  45
  46     return mnIndex < mxContainer->getCount();
  47 }
  48
  49 Any Enumeration::nextElement()
  50 {
  51     if (!mxContainer.is())
  52         throw RuntimeException();
  53     if (mnIndex >= mxContainer->getCount())
  54         throw NoSuchElementException();
  55
  56     return mxContainer->getByIndex(mnIndex++);
  57 }
  58
  59 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */