LibreOffice Module xmloff (master)  1
XMLEmbeddedObjectImportContext.cxx
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19 
20 #include <sal/config.h>
21 
22 #include <string_view>
23 
24 #include <sal/log.hxx>
25 #include <com/sun/star/document/XImporter.hpp>
26 #include <com/sun/star/uno/XComponentContext.hpp>
27 #include <com/sun/star/util/XModifiable2.hpp>
28 #include <tools/globname.hxx>
29 #include <comphelper/classids.hxx>
30 #include <xmloff/namespacemap.hxx>
31 #include <xmloff/xmlimp.hxx>
32 #include <xmloff/xmlnamespace.hxx>
33 #include <xmloff/xmltoken.hxx>
34 #include <xmloff/attrlist.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 
146  SvXMLImport& rImport, sal_Int32 nElement,
147  const Reference< XFastAttributeList >& xAttrList ) :
148  SvXMLImportContext( rImport )
149 {
151 
152  if( nElement == XML_ELEMENT(MATH, XML_MATH) )
153  {
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  {
166  sMime = aIter.toString();
167  break;
168  default:
169  XMLOFF_WARN_UNKNOWN("xmloff", aIter);
170  }
171  }
172 
173  OUString 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 (sMime.startsWith(p, &sClass))
182  {
183  break;
184  }
185  }
186 
187  if( !sClass.isEmpty() )
188  {
189  static struct { XMLTokenEnum eClass; std::u16string_view sFilterService;
190  } const aServiceMap[] = {
191  { XML_TEXT, std::u16string_view(u"" XML_IMPORT_FILTER_WRITER) },
192  { XML_ONLINE_TEXT, std::u16string_view(u"" XML_IMPORT_FILTER_WRITER) },
193  { XML_SPREADSHEET, std::u16string_view(u"" XML_IMPORT_FILTER_CALC) },
194  { XML_DRAWING, std::u16string_view(u"" XML_IMPORT_FILTER_DRAW) },
195  { XML_GRAPHICS, std::u16string_view(u"" XML_IMPORT_FILTER_DRAW) },
196  { XML_PRESENTATION, std::u16string_view(u"" XML_IMPORT_FILTER_IMPRESS) },
197  { XML_CHART, std::u16string_view(u"" XML_IMPORT_FILTER_CHART) }};
198  for (auto const & entry: aServiceMap)
199  {
200  if( IsXMLToken( sClass, entry.eClass ) )
201  {
202  sFilterService = entry.sFilterService;
203 
204  switch( entry.eClass )
205  {
206  case XML_TEXT: aName = SvGlobalName(SO3_SW_CLASSID); break;
207  case XML_ONLINE_TEXT: aName = SvGlobalName(SO3_SWWEB_CLASSID); break;
208  case XML_SPREADSHEET: aName = SvGlobalName(SO3_SC_CLASSID); break;
209  case XML_DRAWING:
210  case XML_GRAPHICS:
211  case XML_IMAGE: aName = SvGlobalName(SO3_SDRAW_CLASSID); break;
212  case XML_PRESENTATION: aName = SvGlobalName(SO3_SIMPRESS_CLASSID); break;
213  case XML_CHART: aName = SvGlobalName(SO3_SCH_CLASSID); break;
214  default:
215  break;
216  }
217 
218  break;
219  }
220  }
221  }
222  }
223 
224  sCLSID = aName.GetHexName();
225 }
226 
228 {
229 }
230 
231 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLEmbeddedObjectImportContext::createFastChildContext(
232  sal_Int32 ,
233  const css::uno::Reference< css::xml::sax::XFastAttributeList >& )
234 {
235  if( mxFastHandler.is() )
236  return new XMLEmbeddedObjectImportContext_Impl( GetImport(), mxFastHandler );
237  return nullptr;
238 }
239 
241  sal_Int32 nElement,
242  const Reference< XFastAttributeList >& rAttrList )
243 {
244  if( !mxFastHandler.is() )
245  return;
246 
247  mxFastHandler->startDocument();
248  mxFastHandler->startFastElement( nElement, rAttrList );
249 }
250 
252 {
253  if( !mxFastHandler.is() )
254  return;
255 
256  mxFastHandler->endFastElement( nElement );
257  mxFastHandler->endDocument();
258 
259  try
260  {
261  Reference < XModifiable2 > xModifiable2( xComp, UNO_QUERY_THROW );
262  xModifiable2->enableSetModified();
263  xModifiable2->setModified( true ); // trigger new replacement image generation
264  }
265  catch( Exception& )
266  {
267  }
268 }
269 
270 void XMLEmbeddedObjectImportContext::characters( const OUString& rChars )
271 {
272  if( mxFastHandler.is() )
273  mxFastHandler->characters( rChars );
274 }
275 
276 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createFastChildContext(sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList > &AttrList) override
#define XML_IMPORT_FILTER_CALC
virtual void SAL_CALL startFastElement(sal_Int32 Element, const css::uno::Reference< css::xml::sax::XFastAttributeList > &Attribs) override
Definition: xmlictxt.cxx:45
SvXMLImport & GetImport()
Definition: xmlictxt.hxx:59
SvXMLNamespaceMap & GetNamespaceMap()
Definition: xmlimp.hxx:398
#define SO3_SW_CLASSID
css::uno::Reference< css::xml::sax::XFastDocumentHandler > mxFastHandler
bool IsXMLToken(std::u16string_view rString, enum XMLTokenEnum eToken)
compare eToken to the string
Definition: xmltoken.cxx:3508
FastAttributeList & castToFastAttributeList(const css::uno::Reference< css::xml::sax::XFastAttributeList > &xAttrList)
#define SO3_SM_CLASSID
#define SO3_SIMPRESS_CLASSID
XMLEmbeddedObjectImportContext(SvXMLImport &rImport, sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList > &xAttrList)
virtual void SAL_CALL endFastElement(sal_Int32 nElement) override
endFastElement is called before a context will be destructed, but after an elements context has been ...
#define XMLOFF_WARN_UNKNOWN(area, rIter)
Definition: xmlictxt.hxx:113
#define XML_IMPORT_FILTER_IMPRESS
const XMLServiceMapEntry_Impl aServiceMap[]
Definition: xmlexp.cxx:140
#define XML_IMPORT_FILTER_DRAW
OUString GetHexName() const
virtual void SAL_CALL startFastElement(sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList > &xAttrList) override
MATH
float u
virtual void SAL_CALL characters(const OUString &rChars) override
This method is called for all characters that are contained in the current element.
#define SO3_SC_CLASSID
This class deliberately does not support XWeak, to improve performance when loading large documents...
Definition: xmlictxt.hxx:44
css::uno::Reference< css::lang::XComponent > xComp
#define SAL_WARN_IF(condition, area, stream)
void SetComponent(css::uno::Reference< css::lang::XComponent > const &rComp)
virtual void SAL_CALL endFastElement(sal_Int32 Element) override
endFastElement is called before a context will be destructed, but after an elements context has been ...
Definition: xmlictxt.cxx:40
Handling of tokens in XML:
OUString aName
virtual css::uno::Reference< XFastContextHandler > SAL_CALL createFastChildContext(sal_Int32 Element, const css::uno::Reference< css::xml::sax::XFastAttributeList > &Attribs) override
Definition: xmlictxt.cxx:59
#define SO3_SCH_CLASSID
#define XML_IMPORT_FILTER_WRITER
#define XML_ELEMENT(prefix, name)
Definition: xmlimp.hxx:97
#define XML_IMPORT_FILTER_MATH
void * p
XMLTokenEnum
The enumeration of all XML tokens.
Definition: xmltoken.hxx:49
#define SO3_SWWEB_CLASSID
#define XML_IMPORT_FILTER_CHART
virtual void SAL_CALL characters(const OUString &aChars) override
This method is called for all characters that are contained in the current element.
Definition: xmlictxt.cxx:70
#define SO3_SDRAW_CLASSID