xmloff/source/core/XMLEmbeddedObjectImportContext.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 <sal/config.h>
  21
  22 #include <string_view>
  23 #include <tuple>
  24
  25 #include <sal/log.hxx>
  26 #include <com/sun/star/document/XImporter.hpp>
  27 #include <com/sun/star/uno/XComponentContext.hpp>
  28 #include <com/sun/star/util/XModifiable2.hpp>
  29 #include <tools/globname.hxx>
  30 #include <comphelper/classids.hxx>
  31 #include <xmloff/namespacemap.hxx>
  32 #include <xmloff/xmlimp.hxx>
  33 #include <xmloff/xmlnamespace.hxx>
  34 #include <xmloff/xmltoken.hxx>
  35 #include <xmloff/XMLFilterServiceNames.h>
  36 #include <XMLEmbeddedObjectImportContext.hxx>
  37
  38 using namespace ::com::sun::star::uno;
  39 using namespace ::com::sun::star::util;
  40 using namespace ::com::sun::star::lang;
  41 using namespace ::com::sun::star::document;
  42 using namespace ::com::sun::star::xml::sax;
  43 using namespace ::xmloff::token;
  44
  45 namespace {
  46
  47 class XMLEmbeddedObjectImportContext_Impl : public SvXMLImportContext
  48 {
  49     css::uno::Reference< css::xml::sax::XFastDocumentHandler > mxFastHandler;
  50
  51 public:
  52
  53     XMLEmbeddedObjectImportContext_Impl( SvXMLImport& rImport,
  54                                     const css::uno::Reference< css::xml::sax::XFastDocumentHandler >& rHandler );
  55
  56     virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createFastChildContext(
  57         sal_Int32 nElement,
  58         const css::uno::Reference< css::xml::sax::XFastAttributeList >& AttrList ) override;
  59
  60     virtual void SAL_CALL startFastElement(
  61                         sal_Int32 nElement,
  62                         const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList ) override;
  63
  64     virtual void SAL_CALL endFastElement(sal_Int32 nElement) override;
  65
  66     virtual void SAL_CALL characters( const OUString& rChars ) override;
  67 };
  68
  69 }
  70
  71 XMLEmbeddedObjectImportContext_Impl::XMLEmbeddedObjectImportContext_Impl(
  72         SvXMLImport& rImport,
  73         const Reference< XFastDocumentHandler >& rHandler ) :
  74     SvXMLImportContext( rImport ),
  75     mxFastHandler( rHandler )
  76 {
  77     assert(mxFastHandler);
  78 }
  79
  80 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLEmbeddedObjectImportContext_Impl::createFastChildContext(
  81     sal_Int32 ,
  82     const css::uno::Reference< css::xml::sax::XFastAttributeList >&  )
  83 {
  84     return new XMLEmbeddedObjectImportContext_Impl(GetImport(), mxFastHandler);
  85 }
  86
  87 void XMLEmbeddedObjectImportContext_Impl::startFastElement(
  88         sal_Int32 nElement,
  89         const Reference< XFastAttributeList >& xAttrList )
  90 {
  91     mxFastHandler->startFastElement( nElement, xAttrList );
  92 }
  93
  94 void XMLEmbeddedObjectImportContext_Impl::endFastElement(sal_Int32 nElement)
  95 {
  96     mxFastHandler->endFastElement( nElement );
  97 }
  98
  99 void XMLEmbeddedObjectImportContext_Impl::characters( const OUString& rChars )
 100 {
 101     mxFastHandler->characters( rChars );
 102 }
 103
 104
 105 void XMLEmbeddedObjectImportContext::SetComponent( Reference< XComponent > const & rComp )
 106 {
 107     if( !rComp.is() || sFilterService.isEmpty() )
 108         return;
 109
 110     Sequence<Any> aArgs( 0 );
 111
 112     Reference< XComponentContext > xContext( GetImport().GetComponentContext() );
 113
 114     Reference<XInterface> xFilter =
 115         xContext->getServiceManager()->createInstanceWithArgumentsAndContext(sFilterService, aArgs, xContext);
 116     SAL_WARN_IF(!xFilter, "xmloff", "could not create filter " << sFilterService);
 117     if( !xFilter.is() )
 118         return;
 119
 120     assert(dynamic_cast<SvXMLImport*>(xFilter.get()));
 121     SvXMLImport& rFastHandler = dynamic_cast<SvXMLImport&>(*xFilter);
 122     mxFastHandler = &rFastHandler;
 123
 124     try
 125     {
 126         Reference < XModifiable2 > xModifiable2( rComp, UNO_QUERY );
 127         if (xModifiable2)
 128             xModifiable2->disableSetModified();
 129     }
 130     catch( Exception& )
 131     {
 132     }
 133
 134     mxFastHandler->setTargetDocument( rComp );
 135
 136     xComp = rComp;  // keep ref to component only if there is a handler
 137
 138     // #i34042: copy namespace declarations
 139     // We created a new instance of XMLImport, so we need to propagate the namespace
 140     // declarations to it.
 141     rFastHandler.GetNamespaceMap() = GetImport().GetNamespaceMap();
 142 }
 143
 144 XMLEmbeddedObjectImportContext::XMLEmbeddedObjectImportContext(
 145         SvXMLImport& rImport, sal_Int32 nElement,
 146         const Reference< XFastAttributeList >& xAttrList ) :
 147     SvXMLImportContext( rImport )
 148 {
 149     SvGlobalName aName;
 150
 151     if( nElement == XML_ELEMENT(MATH, XML_MATH) )
 152     {
 153         sFilterService = XML_IMPORT_FILTER_MATH;
 154         aName = SvGlobalName(SO3_SM_CLASSID);
 155     }
 156     else if( nElement == XML_ELEMENT(OFFICE, XML_DOCUMENT) )
 157     {
 158         OUString sMime;
 159
 160         for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
 161         {
 162             switch (aIter.getToken())
 163             {
 164                 case XML_ELEMENT(OFFICE, XML_MIMETYPE):
 165                     sMime = aIter.toString();
 166                     break;
 167                 default:
 168                     XMLOFF_WARN_UNKNOWN("xmloff", aIter);
 169             }
 170         }
 171
 172         std::u16string_view sClass;
 173         static std::u16string_view const prefixes[] = {
 174             u"application/vnd.oasis.openoffice.",
 175             u"application/x-vnd.oasis.openoffice.",
 176             u"application/vnd.oasis.opendocument.",
 177             u"application/x-vnd.oasis.opendocument."};
 178         for (auto const & p: prefixes)
 179         {
 180             if (o3tl::starts_with(sMime, p, &sClass))
 181             {
 182                 break;
 183             }
 184         }
 185
 186         if( !sClass.empty() )
 187         {
 188             static const std::tuple<XMLTokenEnum, OUString, SvGUID> aServiceMap[] = {
 189                 { XML_TEXT, XML_IMPORT_FILTER_WRITER, { SO3_SW_CLASSID } },
 190                 { XML_ONLINE_TEXT, XML_IMPORT_FILTER_WRITER, { SO3_SWWEB_CLASSID } },
 191                 { XML_SPREADSHEET, XML_IMPORT_FILTER_CALC, { SO3_SC_CLASSID } },
 192                 { XML_DRAWING, XML_IMPORT_FILTER_DRAW, { SO3_SDRAW_CLASSID } },
 193                 { XML_GRAPHICS, XML_IMPORT_FILTER_DRAW, { SO3_SDRAW_CLASSID } },
 194                 { XML_PRESENTATION, XML_IMPORT_FILTER_IMPRESS, { SO3_SIMPRESS_CLASSID } },
 195                 { XML_CHART, XML_IMPORT_FILTER_CHART, { SO3_SCH_CLASSID } },
 196             };
 197             for (auto const& [eClass, sMatchingFilterService, rCLASSID] : aServiceMap)
 198             {
 199                 if (IsXMLToken(sClass, eClass))
 200                 {
 201                     sFilterService = sMatchingFilterService;
 202                     aName = SvGlobalName(rCLASSID);
 203                     break;
 204                 }
 205             }
 206         }
 207     }
 208
 209     sCLSID = aName.GetHexName();
 210 }
 211
 212 XMLEmbeddedObjectImportContext::~XMLEmbeddedObjectImportContext()
 213 {
 214 }
 215
 216 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLEmbeddedObjectImportContext::createFastChildContext(
 217     sal_Int32 ,
 218     const css::uno::Reference< css::xml::sax::XFastAttributeList >& )
 219 {
 220     if( mxFastHandler.is() )
 221         return new XMLEmbeddedObjectImportContext_Impl( GetImport(), mxFastHandler );
 222     return nullptr;
 223 }
 224
 225 void XMLEmbeddedObjectImportContext::startFastElement(
 226         sal_Int32 nElement,
 227         const Reference< XFastAttributeList >& rAttrList )
 228 {
 229     if( !mxFastHandler.is() )
 230         return;
 231
 232     mxFastHandler->startDocument();
 233     mxFastHandler->startFastElement( nElement, rAttrList );
 234 }
 235
 236 void XMLEmbeddedObjectImportContext::endFastElement(sal_Int32 nElement)
 237 {
 238     if( !mxFastHandler.is() )
 239         return;
 240
 241     mxFastHandler->endFastElement( nElement );
 242     mxFastHandler->endDocument();
 243
 244     try
 245     {
 246         Reference < XModifiable2 > xModifiable2( xComp, UNO_QUERY );
 247         if (xModifiable2)
 248         {
 249             xModifiable2->enableSetModified();
 250             xModifiable2->setModified( true ); // trigger new replacement image generation
 251         }
 252     }
 253     catch( Exception& )
 254     {
 255     }
 256 }
 257
 258 void XMLEmbeddedObjectImportContext::characters( const OUString& rChars )
 259 {
 260     if( mxFastHandler.is() )
 261         mxFastHandler->characters( rChars );
 262 }
 263
 264 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */