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