xmloff/source/text/XMLChangedRegionImportContext.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 "XMLChangedRegionImportContext.hxx"
  21 #include "XMLChangeElementImportContext.hxx"
  22 #include <com/sun/star/uno/Reference.h>
  23 #include <com/sun/star/util/DateTime.hpp>
  24 #include <com/sun/star/text/XTextCursor.hpp>
  25
  26 #include <sal/log.hxx>
  27 #include <sax/tools/converter.hxx>
  28
  29 #include <xmloff/xmlimp.hxx>
  30 #include <xmloff/xmlnamespace.hxx>
  31 #include <xmloff/namespacemap.hxx>
  32 #include <xmloff/xmltoken.hxx>
  33
  34
  35 using namespace ::xmloff::token;
  36
  37 using ::com::sun::star::uno::Reference;
  38 using ::com::sun::star::text::XTextCursor;
  39 using namespace ::com::sun::star;
  40 using ::com::sun::star::xml::sax::XAttributeList;
  41
  42
  43 XMLChangedRegionImportContext::XMLChangedRegionImportContext(SvXMLImport& rImport) :
  44         SvXMLImportContext(rImport),
  45         bMergeLastPara(true)
  46 {
  47 }
  48
  49 XMLChangedRegionImportContext::~XMLChangedRegionImportContext()
  50 {
  51 }
  52
  53 void XMLChangedRegionImportContext::startFastElement(
  54     sal_Int32 /*nElement*/,
  55     const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
  56 {
  57     // process attributes: id
  58     bool bHaveXmlId( false );
  59     for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
  60     {
  61         switch(aIter.getToken())
  62         {
  63             case XML_ELEMENT(XML, XML_ID):
  64             {
  65                 sID = aIter.toString();
  66                 bHaveXmlId = true;
  67                 break;
  68             }
  69             case XML_ELEMENT(TEXT, XML_ID):
  70             {
  71                 if (!bHaveXmlId) { sID = aIter.toString(); }
  72                 break;
  73             }
  74             case XML_ELEMENT(TEXT, XML_MERGE_LAST_PARAGRAPH):
  75             {
  76                 bool bTmp(false);
  77                 if (::sax::Converter::convertBool(bTmp, aIter.toView()))
  78                 {
  79                     bMergeLastPara = bTmp;
  80                 }
  81                 break;
  82             }
  83             default:
  84                 XMLOFF_WARN_UNKNOWN("xmloff", aIter);
  85         }
  86     }
  87 }
  88
  89 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLChangedRegionImportContext::createFastChildContext(
  90     sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList >&  )
  91 {
  92     SvXMLImportContextRef xContext;
  93
  94     // from the ODF 1.2 standard :
  95     // The <text:changed-region> element has the following child elements:
  96     // <text:deletion>, <text:format-change> and <text:insertion>.
  97     if (nElement == XML_ELEMENT(TEXT, XML_INSERTION) ||
  98         nElement == XML_ELEMENT(TEXT, XML_DELETION) ||
  99         nElement == XML_ELEMENT(TEXT, XML_FORMAT_CHANGE) )
 100     {
 101         // create XMLChangeElementImportContext for all kinds of changes
 102         xContext = new XMLChangeElementImportContext(
 103             GetImport(),
 104             nElement == XML_ELEMENT(TEXT, XML_DELETION),
 105             *this,
 106             SvXMLImport::getNameFromToken(nElement));
 107     }
 108     else
 109         XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
 110
 111     // illegal element content! TODO: discard the redlines
 112     // for the moment -> use text
 113     // or default if text fail
 114
 115     return xContext;
 116 }
 117
 118 void XMLChangedRegionImportContext::endFastElement(sal_Int32 )
 119 {
 120     // restore old XCursor (if necessary)
 121     if (xOldCursor.is())
 122     {
 123         // delete last paragraph
 124         // (one extra paragraph was inserted in the beginning)
 125         rtl::Reference<XMLTextImportHelper> rHelper =
 126             GetImport().GetTextImport();
 127         rHelper->DeleteParagraph();
 128
 129         GetImport().GetTextImport()->SetCursor(xOldCursor);
 130         xOldCursor = nullptr;
 131     }
 132 }
 133
 134 void XMLChangedRegionImportContext::SetChangeInfo(
 135     const OUString& rType,
 136     const OUString& rAuthor,
 137     const OUString& rComment,
 138     std::u16string_view rDate)
 139 {
 140     util::DateTime aDateTime;
 141     if (::sax::Converter::parseDateTime(aDateTime, rDate))
 142     {
 143         GetImport().GetTextImport()->RedlineAdd(
 144             rType, sID, rAuthor, rComment, aDateTime, bMergeLastPara);
 145     }
 146 }
 147
 148 void XMLChangedRegionImportContext::UseRedlineText()
 149 {
 150     // if we haven't already installed the redline cursor, do it now
 151     if ( xOldCursor.is())
 152         return;
 153
 154     // get TextImportHelper and old Cursor
 155     rtl::Reference<XMLTextImportHelper> rHelper(GetImport().GetTextImport());
 156     Reference<XTextCursor> xCursor( rHelper->GetCursor() );
 157
 158     // create Redline and new Cursor
 159     Reference<XTextCursor> xNewCursor =
 160         rHelper->RedlineCreateText(xCursor, sID);
 161
 162     if (xNewCursor.is())
 163     {
 164         // save old cursor and install new one
 165         xOldCursor = xCursor;
 166         rHelper->SetCursor( xNewCursor );
 167     }
 168     // else: leave as is
 169 }
 170
 171 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */