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 <com/sun/star/document/XImporter.hpp>
  21 #include <com/sun/star/util/XModifiable.hpp>
  22 #include <com/sun/star/util/XModifiable2.hpp>
  23 #include <com/sun/star/frame/XStorable.hpp>
  24 #include <tools/globname.hxx>
  25 #include <comphelper/classids.hxx>
  26 #include <xmloff/nmspmap.hxx>
  27 #include <xmloff/xmlimp.hxx>
  28 #include <xmloff/xmlnmspe.hxx>
  29 #include <xmloff/xmltoken.hxx>
  30 #include <xmloff/xmlerror.hxx>
  31 #include <xmloff/attrlist.hxx>
  32 #include <xmloff/XMLFilterServiceNames.h>
  33 #include "XMLEmbeddedObjectImportContext.hxx"
  34
  35 using namespace ::com::sun::star::uno;
  36 using namespace ::com::sun::star::util;
  37 using namespace ::com::sun::star::beans;
  38 using namespace ::com::sun::star::lang;
  39 using namespace ::com::sun::star::frame;
  40 using namespace ::com::sun::star::document;
  41 using namespace ::com::sun::star::xml::sax;
  42 using namespace ::xmloff::token;
  43
  44 namespace {
  45
  46 struct XMLServiceMapEntry_Impl
  47 {
  48     enum XMLTokenEnum eClass;
  49     const sal_Char *sFilterService;
  50     sal_Int32      nFilterServiceLen;
  51 };
  52
  53 }
  54
  55 #define SERVICE_MAP_ENTRY( cls, app ) \
  56     { XML_##cls, \
  57       XML_IMPORT_FILTER_##app, sizeof(XML_IMPORT_FILTER_##app)-1}
  58
  59 const XMLServiceMapEntry_Impl aServiceMap[] =
  60 {
  61     SERVICE_MAP_ENTRY( TEXT, WRITER ),
  62     SERVICE_MAP_ENTRY( ONLINE_TEXT, WRITER ),
  63     SERVICE_MAP_ENTRY( SPREADSHEET, CALC ),
  64     SERVICE_MAP_ENTRY( DRAWING, DRAW ),
  65     SERVICE_MAP_ENTRY( GRAPHICS, DRAW ),
  66     SERVICE_MAP_ENTRY( PRESENTATION, IMPRESS ),
  67     SERVICE_MAP_ENTRY( CHART, CHART ),
  68     { XML_TOKEN_INVALID, nullptr, 0 }
  69 };
  70
  71 class XMLEmbeddedObjectImportContext_Impl : public SvXMLImportContext
  72 {
  73     css::uno::Reference< css::xml::sax::XDocumentHandler > xHandler;
  74
  75 public:
  76
  77     XMLEmbeddedObjectImportContext_Impl( SvXMLImport& rImport, sal_uInt16 nPrfx,
  78                                     const OUString& rLName,
  79     const css::uno::Reference< css::xml::sax::XDocumentHandler >& rHandler );
  80
  81     virtual ~XMLEmbeddedObjectImportContext_Impl();
  82
  83     virtual SvXMLImportContext *CreateChildContext( sal_uInt16 nPrefix,
  84                                    const OUString& rLocalName,
  85                                    const css::uno::Reference< css::xml::sax::XAttributeList >& xAttrList ) override;
  86
  87     virtual void StartElement( const css::uno::Reference< css::xml::sax::XAttributeList >& xAttrList ) override;
  88
  89     virtual void EndElement() override;
  90
  91     virtual void Characters( const OUString& rChars ) override;
  92 };
  93
  94
  95 XMLEmbeddedObjectImportContext_Impl::XMLEmbeddedObjectImportContext_Impl(
  96         SvXMLImport& rImport, sal_uInt16 nPrfx,
  97         const OUString& rLName,
  98         const Reference< XDocumentHandler >& rHandler ) :
  99     SvXMLImportContext( rImport, nPrfx, rLName ),
 100     xHandler( rHandler )
 101 {
 102 }
 103
 104 XMLEmbeddedObjectImportContext_Impl::~XMLEmbeddedObjectImportContext_Impl()
 105 {
 106 }
 107
 108 SvXMLImportContext *XMLEmbeddedObjectImportContext_Impl::CreateChildContext(
 109         sal_uInt16 nPrefix,
 110         const OUString& rLocalName,
 111         const Reference< XAttributeList >& )
 112 {
 113     return new XMLEmbeddedObjectImportContext_Impl( GetImport(),
 114                                                     nPrefix, rLocalName,
 115                                                     xHandler );
 116 }
 117
 118 void XMLEmbeddedObjectImportContext_Impl::StartElement(
 119         const Reference< XAttributeList >& xAttrList )
 120 {
 121     xHandler->startElement( GetImport().GetNamespaceMap().GetQNameByKey(
 122                                 GetPrefix(), GetLocalName() ),
 123                             xAttrList );
 124 }
 125
 126 void XMLEmbeddedObjectImportContext_Impl::EndElement()
 127 {
 128     xHandler->endElement( GetImport().GetNamespaceMap().GetQNameByKey(
 129                                 GetPrefix(), GetLocalName() ) );
 130 }
 131
 132 void XMLEmbeddedObjectImportContext_Impl::Characters( const OUString& rChars )
 133 {
 134     xHandler->characters( rChars );
 135 }
 136
 137
 138 void XMLEmbeddedObjectImportContext::SetComponent(
 139         Reference< XComponent >& rComp )
 140 {
 141     if( !rComp.is() || sFilterService.isEmpty() )
 142         return;
 143
 144     Sequence<Any> aArgs( 0 );
 145
 146     Reference< XComponentContext > xContext( GetImport().GetComponentContext() );
 147
 148     xHandler.set(
 149         xContext->getServiceManager()->createInstanceWithArgumentsAndContext(sFilterService, aArgs, xContext),
 150         UNO_QUERY);
 151
 152     if( !xHandler.is() )
 153         return;
 154
 155     try
 156     {
 157         Reference < XModifiable2 > xModifiable2( rComp, UNO_QUERY_THROW );
 158         xModifiable2->disableSetModified();
 159     }
 160     catch( Exception& )
 161     {
 162     }
 163
 164     Reference < XImporter > xImporter( xHandler, UNO_QUERY );
 165     xImporter->setTargetDocument( rComp );
 166
 167     xComp = rComp;  // keep ref to component only if there is a handler
 168 }
 169
 170 XMLEmbeddedObjectImportContext::XMLEmbeddedObjectImportContext(
 171         SvXMLImport& rImport, sal_uInt16 nPrfx, const OUString& rLName,
 172         const Reference< XAttributeList >& xAttrList ) :
 173     SvXMLImportContext( rImport, nPrfx, rLName )
 174 {
 175     SvGlobalName aName;
 176
 177     if( nPrfx == XML_NAMESPACE_MATH &&
 178         IsXMLToken( rLName, XML_MATH ) )
 179     {
 180         sFilterService = XML_IMPORT_FILTER_MATH;
 181         aName = SvGlobalName(SO3_SM_CLASSID);
 182     }
 183     else if( nPrfx == XML_NAMESPACE_OFFICE &&
 184         IsXMLToken( rLName, XML_DOCUMENT ) )
 185     {
 186         OUString sMime;
 187
 188         sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
 189         for( sal_Int16 i=0; i < nAttrCount; i++ )
 190         {
 191             const OUString& rAttrName = xAttrList->getNameByIndex( i );
 192             OUString aLocalName;
 193             sal_uInt16 nPrefix = GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName, &aLocalName );
 194             if( nPrefix == XML_NAMESPACE_OFFICE &&
 195                 IsXMLToken( aLocalName, XML_MIMETYPE ) )
 196             {
 197                 sMime = xAttrList->getValueByIndex( i );
 198                 break;
 199             }
 200         }
 201
 202         OUString sClass;
 203         static const char * aTmp[] =
 204         {
 205             "application/vnd.oasis.openoffice.",
 206             "application/x-vnd.oasis.openoffice.",
 207             "application/vnd.oasis.opendocument.",
 208             "application/x-vnd.oasis.opendocument.",
 209             nullptr
 210         };
 211         for (int k=0; aTmp[k]; k++)
 212         {
 213             OUString sTmpString = OUString::createFromAscii(aTmp[k]);
 214             if( sMime.matchAsciiL( aTmp[k], sTmpString.getLength() ) )
 215             {
 216                 sClass = sMime.copy( sTmpString.getLength() );
 217                 break;
 218             }
 219         }
 220
 221         if( !sClass.isEmpty() )
 222         {
 223             const XMLServiceMapEntry_Impl *pEntry = aServiceMap;
 224             while( pEntry->eClass != XML_TOKEN_INVALID )
 225             {
 226                 if( IsXMLToken( sClass, pEntry->eClass ) )
 227                 {
 228                     sFilterService = OUString( pEntry->sFilterService,
 229                                                pEntry->nFilterServiceLen,
 230                                                RTL_TEXTENCODING_ASCII_US );
 231
 232                     switch( pEntry->eClass )
 233                     {
 234                     case XML_TEXT:          aName = SvGlobalName(SO3_SW_CLASSID); break;
 235                     case XML_ONLINE_TEXT:   aName = SvGlobalName(SO3_SWWEB_CLASSID); break;
 236                     case XML_SPREADSHEET:   aName = SvGlobalName(SO3_SC_CLASSID); break;
 237                     case XML_DRAWING:
 238                     case XML_GRAPHICS:
 239                     case XML_IMAGE:     aName = SvGlobalName(SO3_SDRAW_CLASSID); break;
 240                     case XML_PRESENTATION:  aName = SvGlobalName(SO3_SIMPRESS_CLASSID); break;
 241                     case XML_CHART:         aName = SvGlobalName(SO3_SCH_CLASSID); break;
 242                     default:
 243                         break;
 244                     }
 245
 246                     break;
 247                 }
 248                 pEntry++;
 249             }
 250         }
 251     }
 252
 253     sCLSID = aName.GetHexName();
 254 }
 255
 256 XMLEmbeddedObjectImportContext::~XMLEmbeddedObjectImportContext()
 257 {
 258 }
 259
 260 SvXMLImportContext *XMLEmbeddedObjectImportContext::CreateChildContext(
 261         sal_uInt16 nPrefix, const OUString& rLocalName,
 262         const Reference< XAttributeList >& )
 263 {
 264     if( xHandler.is() )
 265         return new XMLEmbeddedObjectImportContext_Impl( GetImport(),
 266                                                         nPrefix, rLocalName,
 267                                                         xHandler );
 268     else
 269         return new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
 270 }
 271
 272 void XMLEmbeddedObjectImportContext::StartElement(
 273         const Reference< XAttributeList >& rAttrList )
 274 {
 275     if( xHandler.is() )
 276     {
 277         xHandler->startDocument();
 278         // #i34042: copy namepspace declarations
 279         SvXMLAttributeList *pAttrList = new SvXMLAttributeList( rAttrList );
 280         Reference< XAttributeList > xAttrList( pAttrList );
 281         const SvXMLNamespaceMap& rNamespaceMap = GetImport().GetNamespaceMap();
 282         sal_uInt16 nPos = rNamespaceMap.GetFirstKey();
 283         while( USHRT_MAX != nPos )
 284         {
 285             OUString aAttrName( rNamespaceMap.GetAttrNameByKey( nPos ) );
 286             if( xAttrList->getValueByName( aAttrName ).isEmpty() )
 287             {
 288                 pAttrList->AddAttribute( aAttrName,
 289                                           rNamespaceMap.GetNameByKey( nPos ) );
 290             }
 291             nPos = rNamespaceMap.GetNextKey( nPos );
 292         }
 293         xHandler->startElement( GetImport().GetNamespaceMap().GetQNameByKey(
 294                                     GetPrefix(), GetLocalName() ),
 295                                 xAttrList );
 296     }
 297 }
 298
 299 void XMLEmbeddedObjectImportContext::EndElement()
 300 {
 301     if( xHandler.is() )
 302     {
 303         xHandler->endElement( GetImport().GetNamespaceMap().GetQNameByKey(
 304                                     GetPrefix(), GetLocalName() ) );
 305         xHandler->endDocument();
 306
 307     try
 308     {
 309         Reference < XModifiable2 > xModifiable2( xComp, UNO_QUERY_THROW );
 310         xModifiable2->enableSetModified();
 311         xModifiable2->setModified( true ); // trigger new replacement image generation
 312     }
 313     catch( Exception& )
 314     {
 315     }
 316     }
 317 }
 318
 319 void XMLEmbeddedObjectImportContext::Characters( const OUString& rChars )
 320 {
 321     if( xHandler.is() )
 322         xHandler->characters( rChars );
 323 }
 324
 325 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */