LibreOffice Module xmloff (master)  1
XMLEmbeddedObjectImportContext.cxx
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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>
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 
147  SvXMLImport& rImport, sal_Int32 nElement,
148  const Reference< XFastAttributeList >& xAttrList ) :
149  SvXMLImportContext( rImport )
150 {
152 
153  if( nElement == XML_ELEMENT(MATH, XML_MATH) )
154  {
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  {
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[] = {
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 
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 
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 
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: */
virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createFastChildContext(sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList > &AttrList) override
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:60
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:3573
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 ...
constexpr OUStringLiteral XML_IMPORT_FILTER_CHART
#define XMLOFF_WARN_UNKNOWN(area, rIter)
Definition: xmlictxt.hxx:114
constexpr OUStringLiteral XML_IMPORT_FILTER_DRAW
constexpr OUStringLiteral XML_IMPORT_FILTER_CALC
OUString GetHexName() const
virtual void SAL_CALL startFastElement(sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList > &xAttrList) override
MATH
const std::pair< OUString, OUString > aServiceMap[]
Definition: xmlexp.cxx:127
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:45
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_ELEMENT(prefix, name)
Definition: xmlimp.hxx:97
void * p
#define SO3_SWWEB_CLASSID
constexpr OUStringLiteral XML_IMPORT_FILTER_MATH
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
constexpr OUStringLiteral XML_IMPORT_FILTER_WRITER
constexpr OUStringLiteral XML_IMPORT_FILTER_IMPRESS