xmloff/source/text/XMLSectionImportContext.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 "XMLSectionImportContext.hxx"
  21 #include "XMLSectionSourceImportContext.hxx"
  22 #include "XMLSectionSourceDDEImportContext.hxx"
  23 #include <comphelper/base64.hxx>
  24 #include <xmloff/xmlictxt.hxx>
  25 #include <xmloff/xmlimp.hxx>
  26 #include <xmloff/txtimp.hxx>
  27 #include <xmloff/namespacemap.hxx>
  28 #include <xmloff/xmlnamespace.hxx>
  29 #include <xmloff/xmltoken.hxx>
  30 #include <xmloff/prstylei.hxx>
  31 #include <sal/log.hxx>
  32 #include <sax/tools/converter.hxx>
  33 #include <com/sun/star/container/XNamed.hpp>
  34 #include <com/sun/star/frame/XModel.hpp>
  35 #include <com/sun/star/uno/Reference.h>
  36 #include <com/sun/star/text/XTextContent.hpp>
  37 #include <com/sun/star/beans/XPropertySet.hpp>
  38 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  39 #include <com/sun/star/text/ControlCharacter.hpp>
  40
  41
  42 using ::com::sun::star::beans::XPropertySet;
  43 using ::com::sun::star::uno::Reference;
  44 using ::com::sun::star::xml::sax::XFastAttributeList;
  45 using ::com::sun::star::lang::XMultiServiceFactory;
  46 using ::com::sun::star::container::XNamed;
  47
  48 using namespace ::com::sun::star::uno;
  49 using namespace ::com::sun::star::text;
  50 using namespace ::xmloff::token;
  51
  52
  53 // section import: This one is fairly tricky due to a variety of
  54 // limits of the core or the API. The main problem is that if you
  55 // insert a section within another section, you can't move the cursor
  56 // between the ends of the inner and the enclosing section. To avoid
  57 // these problems, additional markers are first inserted and later deleted.
  58 XMLSectionImportContext::XMLSectionImportContext( SvXMLImport& rImport )
  59 :   SvXMLImportContext(rImport)
  60 ,   bProtect(false)
  61 ,   bCondOK(false)
  62 ,   bIsVisible(true)
  63 ,   bValid(false)
  64 ,   bSequenceOK(false)
  65 ,   bIsCurrentlyVisible(true)
  66 ,   bIsCurrentlyVisibleOK(false)
  67 ,   bHasContent(false)
  68 {
  69 }
  70
  71 XMLSectionImportContext::~XMLSectionImportContext()
  72 {
  73 }
  74
  75 void XMLSectionImportContext::startFastElement( sal_Int32 nElement,
  76     const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
  77 {
  78     // process attributes
  79     ProcessAttributes(xAttrList);
  80
  81     // process index headers:
  82     bool bIsIndexHeader = (nElement & TOKEN_MASK) == XML_INDEX_TITLE;
  83     if (bIsIndexHeader)
  84     {
  85         bValid = true;
  86     }
  87
  88     rtl::Reference<XMLTextImportHelper> rHelper = GetImport().GetTextImport();
  89
  90     // valid?
  91     if (!bValid)
  92         return;
  93
  94     // create text section (as XPropertySet)
  95     Reference<XMultiServiceFactory> xFactory(
  96         GetImport().GetModel(),UNO_QUERY);
  97     if (!xFactory.is())
  98         return;
  99
 100     Reference<XInterface> xIfc =
 101         xFactory->createInstance( bIsIndexHeader ? OUString("com.sun.star.text.IndexHeaderSection")
 102                                                  : OUString("com.sun.star.text.TextSection") );
 103     if (!xIfc.is())
 104         return;
 105
 106     Reference<XPropertySet> xPropSet(xIfc, UNO_QUERY);
 107
 108     // save PropertySet (for CreateChildContext)
 109     xSectionPropertySet = xPropSet;
 110
 111     // name
 112     Reference<XNamed> xNamed(xPropSet, UNO_QUERY);
 113     xNamed->setName(sName);
 114
 115     // stylename?
 116     if (!sStyleName.isEmpty())
 117     {
 118         XMLPropStyleContext* pStyle = rHelper->
 119             FindSectionStyle(sStyleName);
 120
 121         if (pStyle != nullptr)
 122         {
 123             pStyle->FillPropertySet( xPropSet );
 124         }
 125     }
 126
 127     // IsVisible and condition (not for index headers)
 128     if (! bIsIndexHeader)
 129     {
 130         xPropSet->setPropertyValue( "IsVisible", Any(bIsVisible) );
 131
 132         // #97450# hidden sections must be hidden on reload
 133         // For backwards compatibility, set flag only if it is
 134         // present
 135         if( bIsCurrentlyVisibleOK )
 136         {
 137             xPropSet->setPropertyValue( "IsCurrentlyVisible", Any(bIsCurrentlyVisible));
 138         }
 139
 140         if (bCondOK)
 141         {
 142             xPropSet->setPropertyValue( "Condition", Any(sCond) );
 143         }
 144     }
 145
 146     // password (only for regular sections)
 147     if ( bSequenceOK &&
 148          (nElement & TOKEN_MASK) == XML_SECTION )
 149     {
 150         xPropSet->setPropertyValue("ProtectionKey", Any(aSequence));
 151     }
 152
 153     // protection
 154     xPropSet->setPropertyValue( "IsProtected", Any(bProtect) );
 155
 156     // insert marker, <paragraph>, marker; then insert
 157     // section over the first marker character, and delete the
 158     // last paragraph (and marker) when closing a section.
 159     Reference<XTextRange> xStart =
 160         rHelper->GetCursor()->getStart();
 161 #ifndef DBG_UTIL
 162     OUString sMarkerString(" ");
 163 #else
 164     OUString sMarkerString("X");
 165 #endif
 166     rHelper->InsertString(sMarkerString);
 167     rHelper->InsertControlCharacter(
 168         ControlCharacter::APPEND_PARAGRAPH );
 169     rHelper->InsertString(sMarkerString);
 170
 171     // select first marker
 172     rHelper->GetCursor()->gotoRange(xStart, false);
 173     rHelper->GetCursor()->goRight(1, true);
 174
 175     // convert section to XTextContent
 176     Reference<XTextContent> xTextContent(xSectionPropertySet,
 177                                          UNO_QUERY);
 178
 179     // and insert (over marker)
 180     rHelper->GetText()->insertTextContent(
 181         rHelper->GetCursorAsRange(), xTextContent, true );
 182
 183     // and delete first marker (in section)
 184     rHelper->GetText()->insertString(
 185         rHelper->GetCursorAsRange(), "", true);
 186
 187     // finally, check for redlines that should start at
 188     // the section start node
 189     rHelper->RedlineAdjustStartNodeCursor(); // start ???
 190
 191     // xml:id for RDF metadata
 192     GetImport().SetXmlId(xIfc, sXmlId);
 193 }
 194
 195 void XMLSectionImportContext::ProcessAttributes(
 196     const Reference<XFastAttributeList> & xAttrList )
 197 {
 198     for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
 199     {
 200         switch (aIter.getToken())
 201         {
 202             case XML_ELEMENT(XML, XML_ID):
 203                 sXmlId = aIter.toString();
 204                 break;
 205             case XML_ELEMENT(TEXT, XML_STYLE_NAME):
 206                 sStyleName = aIter.toString();
 207                 break;
 208             case XML_ELEMENT(TEXT, XML_NAME):
 209                 sName = aIter.toString();
 210                 bValid = true;
 211                 break;
 212             case XML_ELEMENT(TEXT, XML_CONDITION):
 213                 {
 214                     OUString sValue = aIter.toString();
 215                     OUString sTmp;
 216                     sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
 217                                     GetKeyByAttrValueQName(sValue, &sTmp);
 218                     if( XML_NAMESPACE_OOOW == nPrefix )
 219                     {
 220                         sCond = sTmp;
 221                         bCondOK = true;
 222                     }
 223                     else
 224                         sCond = sValue;
 225                 }
 226                 break;
 227             case XML_ELEMENT(TEXT, XML_DISPLAY):
 228                 if (IsXMLToken(aIter, XML_TRUE))
 229                 {
 230                     bIsVisible = true;
 231                 }
 232                 else if ( IsXMLToken(aIter, XML_NONE) ||
 233                           IsXMLToken(aIter, XML_CONDITION) )
 234                 {
 235                     bIsVisible = false;
 236                 }
 237                 // else: ignore
 238                 break;
 239             case XML_ELEMENT(TEXT, XML_IS_HIDDEN):
 240                 {
 241                     bool bTmp(false);
 242                     if (::sax::Converter::convertBool(bTmp, aIter.toView()))
 243                     {
 244                         bIsCurrentlyVisible = !bTmp;
 245                         bIsCurrentlyVisibleOK = true;
 246                     }
 247                 }
 248                 break;
 249             case XML_ELEMENT(TEXT, XML_PROTECTION_KEY):
 250                 ::comphelper::Base64::decode(aSequence, aIter.toString());
 251                 bSequenceOK = true;
 252                 break;
 253             case XML_ELEMENT(TEXT, XML_PROTECTED):
 254             // compatibility with SRC629 (or earlier) versions
 255             case XML_ELEMENT(TEXT, XML_PROTECT):
 256             {
 257                 bool bTmp(false);
 258                 if (::sax::Converter::convertBool(bTmp, aIter.toView()))
 259                 {
 260                     bProtect = bTmp;
 261                 }
 262                 break;
 263             }
 264             default:
 265                 // ignore
 266                 XMLOFF_WARN_UNKNOWN("xmloff", aIter);
 267                 break;
 268         }
 269     }
 270 }
 271
 272 void XMLSectionImportContext::endFastElement(sal_Int32 )
 273 {
 274     // get rid of last paragraph
 275     // (unless it's the only paragraph in the section)
 276     rtl::Reference<XMLTextImportHelper> rHelper = GetImport().GetTextImport();
 277     rHelper->GetCursor()->goRight(1, false);
 278     if (bHasContent)
 279     {
 280         rHelper->GetCursor()->goLeft(1, true);
 281         rHelper->GetText()->insertString(rHelper->GetCursorAsRange(),
 282                                          "", true);
 283     }
 284
 285     // and delete second marker
 286     rHelper->GetCursor()->goRight(1, true);
 287     rHelper->GetText()->insertString(rHelper->GetCursorAsRange(),
 288                                      "", true);
 289
 290     // check for redlines to our endnode
 291     rHelper->RedlineAdjustStartNodeCursor();
 292 }
 293
 294 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLSectionImportContext::createFastChildContext(
 295     sal_Int32 nElement,
 296     const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
 297 {
 298     // section-source (-dde) elements
 299     if ( nElement == XML_ELEMENT(TEXT, XML_SECTION_SOURCE) )
 300     {
 301         return new XMLSectionSourceImportContext(GetImport(),
 302                                                      xSectionPropertySet);
 303     }
 304     else if ( nElement == XML_ELEMENT(OFFICE, XML_DDE_SOURCE) )
 305     {
 306         return new XMLSectionSourceDDEImportContext(GetImport(),
 307                                                         xSectionPropertySet);
 308     }
 309     else
 310     {
 311         // otherwise: text context
 312         auto pContext = GetImport().GetTextImport()->CreateTextChildContext(
 313             GetImport(), nElement, xAttrList, XMLTextType::Section );
 314
 315         // if that fails, default context
 316         if (pContext)
 317             bHasContent = true;
 318         else
 319             XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
 320         return pContext;
 321     }
 322 }
 323
 324 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */