sw/source/filter/html/htmlnum.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.
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   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 "htmlnum.hxx"
  21 #include <ndtxt.hxx>
  22 #include <doc.hxx>
  23
  24 void SwHTMLNumRuleInfo::Set(const SwTextNode& rTextNd)
  25 {
  26     const SwNumRule* pTextNdNumRule(rTextNd.GetNumRule());
  27     if (pTextNdNumRule && pTextNdNumRule != rTextNd.GetDoc().GetOutlineNumRule())
  28     {
  29         m_pNumRule = const_cast<SwNumRule*>(pTextNdNumRule);
  30         m_nDeep = o3tl::narrowing<sal_uInt16>(m_pNumRule ? rTextNd.GetActualListLevel() + 1 : 0);
  31         m_bNumbered = rTextNd.IsCountedInList();
  32         // #i57919# - correction of refactoring done by cws swnumtree:
  33         // <bRestart> has to be set to <true>, if numbering is restarted at this
  34         // text node and the start value equals <USHRT_MAX>.
  35         // Start value <USHRT_MAX> indicates, that at this text node the numbering
  36         // is restarted with the value given at the corresponding level.
  37         m_bRestart = rTextNd.IsListRestart() && !rTextNd.HasAttrListRestartValue();
  38     }
  39     else
  40     {
  41         m_pNumRule = nullptr;
  42         m_nDeep = 0;
  43         m_bNumbered = m_bRestart = false;
  44     }
  45 }
  46
  47 // Restart flag is only effective when this level is not below the previous
  48 bool SwHTMLNumRuleInfo::IsRestart(const SwHTMLNumRuleInfo& rPrev) const
  49 {
  50     // calling this, when the rules are different, makes no sense
  51     assert(rPrev.GetNumRule() == GetNumRule());
  52
  53     // An example ODF when the restart flag is set, but has no effect:
  54     //   <text:list text:style-name="L1">
  55     //    <text:list-item>
  56     //     <text:p>l1</text:p>
  57     //     <text:list>
  58     //      <text:list-item>
  59     //       <text:p>l2</text:p>
  60     //      </text:list-item>
  61     //      <text:list-item>
  62     //       <text:p>l2</text:p>
  63     //      </text:list-item>
  64     //     </text:list>
  65     //     <text:list>
  66     //      <text:list-item>
  67     //       <text:list>
  68     //        <text:list-item>
  69     //         <text:p>l3</text:p>
  70     //        </text:list-item>
  71     //       </text:list>
  72     //      </text:list-item>
  73     //     </text:list>
  74     //    </text:list-item>
  75     //   </text:list>
  76     // In this case, "l3" is in a separate sublist than "l2", and so the "l3" node gets the
  77     // "list restart" property. But the document rendering would be
  78     //   1. l1
  79     //        1.1. l2
  80     //        1.2. l2
  81     //             1.2.1. l3
  82     // and the second-level numbering will not actually restart at the "l3" node.
  83     //
  84     // TODO/LATER: note that restarting may happen at different levels. In the code using this
  85     // function, the level is reset to 0 whenever a restart is detected. And also, there is no
  86     // code to actually descend to that new level (close corresponding li/ul/ol elements).
  87
  88     if (rPrev.GetDepth() < GetDepth())
  89         return false; // No matter if the restart flag is set, it is not effective for subitems
  90     return m_bRestart;
  91 }
  92
  93 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */