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