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       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             : #ifndef _COMPHELPER_STLUNOITERATOR_HXX
      21             : #define _COMPHELPER_STLUNOITERATOR_HXX
      22             : 
      23             : #include <com/sun/star/uno/Sequence.hxx>
      24             : #include <sal/types.h>
      25             : 
      26             : 
      27             : namespace comphelper
      28             : {
      29             :     /**
      30             :     @short stl-container-like access to an existing ::com::sun::star::uno::Sequence
      31             :     @descr These template functions allows using an existing
      32             :     ::com::sun::star::uno::Sequence using stl algorithms. They provides
      33             :     standard-compliant mutable random access iterators. Because random access
      34             :     iterators are the most generic iterators defined by the stl, any stl algorithm
      35             :     can be applied to the Sequence (excluding algorithms requiring output
      36             :     iterators).
      37             :     <p>
      38             :     Example: (creating a ::std::list from a ::com::sun::star::uno::Sequence)
      39             :     <code>
      40             :     ::com::sun::star::uno::Sequence<sal_Int32> aSeq(10);
      41             :     ::std::list stl_list(stl_begin(aSeq), stl_end(aSeq));
      42             :     </code>
      43             :     <p>
      44             :     Example: (sorting ::com::sun::star::uno::Sequence inplace)
      45             :     <code>
      46             :     ::com::sun::star::uno::Sequence<sal_Int32> aSeq(10);
      47             :     ::std::sort(stl_begin(aSeq), stl_seq.end(aSeq));
      48             :     </code>
      49             :     <p>
      50             :     Example: (counting occurrences of 4711 in a ::com::sun::star::uno::Sequence)
      51             :     <code>
      52             :     ::com::sun::star::uno::Sequence<sal_Int32> aSeq(10);
      53             :     sal_Int32 count = 0;
      54             :     ::std::count(stl_begin(aSeq), stl_end(aSeq), 4711, count);
      55             :     </code>
      56             :     <p>
      57             : 
      58             :     @see http://www.sgi.com/tech/stl/Container.html
      59             :     @see http://www.sgi.com/tech/stl/Sequence.html
      60             :     @see http://www.sgi.com/tech/stl/RandomAccessIterator.html
      61             :     */
      62             : 
      63             :     template <typename V>
      64          27 :     V* stl_begin(::com::sun::star::uno::Sequence<V>& rSeq)
      65          27 :         { return rSeq.getArray(); }
      66             : 
      67             :     template <typename V>
      68           5 :     V* stl_end(::com::sun::star::uno::Sequence<V>& rSeq)
      69           5 :         { return rSeq.getArray() + rSeq.getLength(); }
      70             : 
      71             :     template <typename V>
      72         162 :     const V* stl_begin(const ::com::sun::star::uno::Sequence<V>& rSeq)
      73         162 :         { return rSeq.getConstArray(); }
      74             : 
      75             :     template <typename V>
      76         316 :     const V* stl_end(const ::com::sun::star::uno::Sequence<V>& rSeq)
      77         316 :         { return rSeq.getConstArray() + rSeq.getLength(); }
      78             : }
      79             : #endif
      80             : 
      81             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */