basic/source/runtime/comenumwrapper.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 "comenumwrapper.hxx"
  21
  22 using namespace ::com::sun::star;
  23
  24 sal_Bool SAL_CALL ComEnumerationWrapper::hasMoreElements()
  25 {
  26     bool bResult = false;
  27
  28     try
  29     {
  30         if ( m_xInvocation.is() )
  31         {
  32             sal_Int32 nLength = 0;
  33             bResult = ( ( m_xInvocation->getValue( u"length"_ustr ) >>= nLength ) && nLength > m_nCurInd );
  34         }
  35     }
  36     catch(const uno::Exception& )
  37     {}
  38
  39     return bResult;
  40 }
  41
  42 uno::Any SAL_CALL ComEnumerationWrapper::nextElement()
  43 {
  44     try
  45     {
  46         if ( m_xInvocation.is() )
  47         {
  48             uno::Sequence< sal_Int16 > aNamedParamIndex;
  49             uno::Sequence< uno::Any > aNamedParam;
  50             uno::Sequence< uno::Any > aArgs{ uno::Any(m_nCurInd++) };
  51
  52             return m_xInvocation->invoke( u"item"_ustr,
  53                                           aArgs,
  54                                           aNamedParamIndex,
  55                                           aNamedParam );
  56         }
  57     }
  58     catch(const uno::Exception& )
  59     {}
  60
  61     throw container::NoSuchElementException();
  62 }
  63
  64
  65 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */