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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 "librdf_repository.hxx"
21 :
22 : #include <string.h>
23 :
24 : #include <set>
25 : #include <map>
26 : #include <functional>
27 : #include <algorithm>
28 :
29 : #include <boost/utility.hpp>
30 : #include <boost/shared_ptr.hpp>
31 : #include <boost/shared_array.hpp>
32 : #include <boost/bind.hpp>
33 :
34 : #include <libxslt/security.h>
35 : #include <libxml/parser.h>
36 :
37 : #include <redland.h>
38 :
39 : #include <com/sun/star/lang/XServiceInfo.hpp>
40 : #include <com/sun/star/lang/XInitialization.hpp>
41 : #include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
42 : #include <com/sun/star/lang/IllegalArgumentException.hpp>
43 : #include <com/sun/star/io/XSeekableInputStream.hpp>
44 : #include <com/sun/star/text/XTextRange.hpp>
45 : #include <com/sun/star/rdf/XDocumentRepository.hpp>
46 : #include <com/sun/star/rdf/XLiteral.hpp>
47 : #include <com/sun/star/rdf/FileFormat.hpp>
48 : #include <com/sun/star/rdf/URIs.hpp>
49 : #include <com/sun/star/rdf/BlankNode.hpp>
50 : #include <com/sun/star/rdf/URI.hpp>
51 : #include <com/sun/star/rdf/Literal.hpp>
52 :
53 : #include <rtl/ref.hxx>
54 : #include <rtl/ustring.hxx>
55 : #include <cppuhelper/implbase1.hxx>
56 : #include <cppuhelper/implbase3.hxx>
57 : #include <cppuhelper/basemutex.hxx>
58 :
59 : #include <comphelper/stlunosequence.hxx>
60 : #include <comphelper/sequenceasvector.hxx>
61 : #include <comphelper/makesequence.hxx>
62 : #include <comphelper/xmltools.hxx>
63 :
64 : #include <com/sun/star/embed/XEncryptionProtectedSource2.hpp>
65 :
66 : /**
67 : Implementation of the service com.sun.star.rdf.Repository.
68 :
69 : This implementation uses the Redland RDF library (librdf).
70 :
71 : There are several classes involved:
72 : librdf_TypeConverter: helper class to convert data types redland <-> uno
73 : librdf_Repository: the main repository, does almost all the work
74 : librdf_NamedGraph: the XNamedGraph, forwards everything to repository
75 : librdf_GraphResult: an XEnumeration<Statement>
76 : librdf_QuerySelectResult: an XEnumeration<sequence<XNode>>
77 :
78 : @author mst
79 : */
80 :
81 : /// anonymous implementation namespace
82 : namespace {
83 :
84 : class librdf_NamedGraph;
85 : class librdf_Repository;
86 :
87 : using namespace ::com::sun::star;
88 :
89 : typedef std::map< ::rtl::OUString, ::rtl::Reference<librdf_NamedGraph> >
90 : NamedGraphMap_t;
91 :
92 : const char s_sparql [] = "sparql";
93 : const char s_nsRDFs [] = "http://www.w3.org/2000/01/rdf-schema#";
94 : const char s_label [] = "label";
95 : const char s_nsOOo [] = "http://openoffice.org/2004/office/rdfa/";
96 :
97 : ////////////////////////////////////////////////////////////////////////////
98 :
99 : //FIXME: this approach is not ideal. can we use blind nodes instead?
100 0 : bool isInternalContext(librdf_node *i_pNode) throw ()
101 : {
102 : OSL_ENSURE(i_pNode, "isInternalContext: context null");
103 : OSL_ENSURE(librdf_node_is_resource(i_pNode),
104 : "isInternalContext: context not resource");
105 0 : if (i_pNode) {
106 0 : librdf_uri *pURI(librdf_node_get_uri(i_pNode));
107 : OSL_ENSURE(pURI, "isInternalContext: URI null");
108 0 : if (pURI) {
109 0 : unsigned char *pContextURI(librdf_uri_as_string(pURI));
110 : OSL_ENSURE(pContextURI,
111 : "isInternalContext: URI string null");
112 : // if prefix matches reserved uri, it is RDFa context
113 0 : if (!strncmp(reinterpret_cast<char *>(pContextURI),
114 0 : s_nsOOo, sizeof(s_nsOOo)-1)) {
115 0 : return true;
116 : }
117 : }
118 0 : return false;
119 : }
120 0 : return true;
121 : }
122 :
123 :
124 : ////////////////////////////////////////////////////////////////////////////
125 :
126 : // n.b.: librdf destructor functions dereference null pointers!
127 : // so they need to be wrapped to be usable with boost::shared_ptr.
128 0 : static void safe_librdf_free_world(librdf_world *const world)
129 : {
130 0 : if (world) { librdf_free_world(world); }
131 0 : }
132 0 : static void safe_librdf_free_model(librdf_model *const model)
133 : {
134 0 : if (model) { librdf_free_model(model); }
135 0 : }
136 0 : static void safe_librdf_free_node(librdf_node* node)
137 : {
138 0 : if (node) { librdf_free_node(node); }
139 0 : }
140 0 : static void safe_librdf_free_parser(librdf_parser *const parser)
141 : {
142 0 : if (parser) { librdf_free_parser(parser); }
143 0 : }
144 0 : static void safe_librdf_free_query(librdf_query *const query)
145 : {
146 0 : if (query) { librdf_free_query(query); }
147 0 : }
148 : static void
149 0 : safe_librdf_free_query_results(librdf_query_results *const query_results)
150 : {
151 0 : if (query_results) { librdf_free_query_results(query_results); }
152 0 : }
153 0 : static void safe_librdf_free_serializer(librdf_serializer *const serializer)
154 : {
155 0 : if (serializer) { librdf_free_serializer(serializer); }
156 0 : }
157 0 : static void safe_librdf_free_statement(librdf_statement *const statement)
158 : {
159 0 : if (statement) { librdf_free_statement(statement); }
160 0 : }
161 0 : static void safe_librdf_free_storage(librdf_storage *const storage)
162 : {
163 0 : if (storage) { librdf_free_storage(storage); }
164 0 : }
165 0 : static void safe_librdf_free_stream(librdf_stream *const stream)
166 : {
167 0 : if (stream) { librdf_free_stream(stream); }
168 0 : }
169 0 : static void safe_librdf_free_uri(librdf_uri *const uri)
170 : {
171 0 : if (uri) { librdf_free_uri(uri); }
172 0 : }
173 :
174 :
175 : ////////////////////////////////////////////////////////////////////////////
176 :
177 : /** converts between librdf types and UNO API types.
178 : */
179 0 : class librdf_TypeConverter
180 : {
181 : public:
182 0 : librdf_TypeConverter(
183 : uno::Reference< uno::XComponentContext > const & i_xContext,
184 : librdf_Repository &i_rRep)
185 : : m_xContext(i_xContext)
186 0 : , m_rRep(i_rRep)
187 0 : { };
188 :
189 : librdf_world *createWorld() const;
190 : librdf_storage *createStorage(librdf_world *i_pWorld) const;
191 : librdf_model *createModel(librdf_world *i_pWorld,
192 : librdf_storage * i_pStorage) const;
193 : librdf_uri* mkURI( librdf_world* i_pWorld,
194 : const uno::Reference< rdf::XURI > & i_xURI) const;
195 : librdf_node* mkResource( librdf_world* i_pWorld,
196 : const uno::Reference< rdf::XResource > & i_xResource) const;
197 : librdf_node* mkNode( librdf_world* i_pWorld,
198 : const uno::Reference< rdf::XNode > & i_xNode) const;
199 : librdf_statement* mkStatement( librdf_world* i_pWorld,
200 : const uno::Reference< rdf::XResource > & i_xSubject,
201 : const uno::Reference< rdf::XURI > & i_xPredicate,
202 : const uno::Reference< rdf::XNode > & i_xObject) const;
203 : uno::Reference<rdf::XURI> convertToXURI(librdf_uri* i_pURI) const;
204 : uno::Reference<rdf::XURI> convertToXURI(librdf_node* i_pURI) const;
205 : uno::Reference<rdf::XResource>
206 : convertToXResource(librdf_node* i_pNode) const;
207 : uno::Reference<rdf::XNode> convertToXNode(librdf_node* i_pNode) const;
208 : rdf::Statement
209 : convertToStatement(librdf_statement* i_pStmt, librdf_node* i_pContext)
210 : const;
211 :
212 : private:
213 : uno::Reference< uno::XComponentContext > m_xContext;
214 : librdf_Repository & m_rRep;
215 : };
216 :
217 :
218 : ////////////////////////////////////////////////////////////////////////////
219 :
220 : /** implements the repository service.
221 : */
222 : class librdf_Repository:
223 : private boost::noncopyable,
224 : // private ::cppu::BaseMutex,
225 : public ::cppu::WeakImplHelper3<
226 : lang::XServiceInfo,
227 : rdf::XDocumentRepository,
228 : lang::XInitialization>
229 : {
230 : public:
231 :
232 : explicit librdf_Repository(
233 : uno::Reference< uno::XComponentContext > const & i_xContext);
234 : virtual ~librdf_Repository();
235 :
236 : // ::com::sun::star::lang::XServiceInfo:
237 : virtual ::rtl::OUString SAL_CALL getImplementationName()
238 : throw (uno::RuntimeException);
239 : virtual ::sal_Bool SAL_CALL supportsService(
240 : const ::rtl::OUString & ServiceName) throw (uno::RuntimeException);
241 : virtual uno::Sequence< ::rtl::OUString > SAL_CALL
242 : getSupportedServiceNames() throw (uno::RuntimeException);
243 :
244 : // ::com::sun::star::rdf::XRepository:
245 : virtual uno::Reference< rdf::XBlankNode > SAL_CALL createBlankNode()
246 : throw (uno::RuntimeException);
247 : virtual uno::Reference<rdf::XNamedGraph> SAL_CALL importGraph(
248 : ::sal_Int16 i_Format,
249 : const uno::Reference< io::XInputStream > & i_xInStream,
250 : const uno::Reference< rdf::XURI > & i_xGraphName,
251 : const uno::Reference< rdf::XURI > & i_xBaseURI)
252 : throw (uno::RuntimeException, lang::IllegalArgumentException,
253 : datatransfer::UnsupportedFlavorException,
254 : container::ElementExistException, rdf::ParseException,
255 : rdf::RepositoryException, io::IOException);
256 : virtual void SAL_CALL exportGraph(::sal_Int16 i_Format,
257 : const uno::Reference< io::XOutputStream > & i_xOutStream,
258 : const uno::Reference< rdf::XURI > & i_xGraphName,
259 : const uno::Reference< rdf::XURI > & i_xBaseURI)
260 : throw (uno::RuntimeException, lang::IllegalArgumentException,
261 : datatransfer::UnsupportedFlavorException,
262 : container::NoSuchElementException, rdf::RepositoryException,
263 : io::IOException);
264 : virtual uno::Sequence< uno::Reference< rdf::XURI > > SAL_CALL
265 : getGraphNames() throw (uno::RuntimeException, rdf::RepositoryException);
266 : virtual uno::Reference< rdf::XNamedGraph > SAL_CALL getGraph(
267 : const uno::Reference< rdf::XURI > & i_xGraphName)
268 : throw (uno::RuntimeException, lang::IllegalArgumentException,
269 : rdf::RepositoryException);
270 : virtual uno::Reference< rdf::XNamedGraph > SAL_CALL createGraph(
271 : const uno::Reference< rdf::XURI > & i_xGraphName)
272 : throw (uno::RuntimeException, lang::IllegalArgumentException,
273 : container::ElementExistException, rdf::RepositoryException);
274 : virtual void SAL_CALL destroyGraph(
275 : const uno::Reference< rdf::XURI > & i_xGraphName)
276 : throw (uno::RuntimeException, lang::IllegalArgumentException,
277 : container::NoSuchElementException, rdf::RepositoryException);
278 : virtual uno::Reference< container::XEnumeration > SAL_CALL getStatements(
279 : const uno::Reference< rdf::XResource > & i_xSubject,
280 : const uno::Reference< rdf::XURI > & i_xPredicate,
281 : const uno::Reference< rdf::XNode > & i_xObject)
282 : throw (uno::RuntimeException,
283 : rdf::RepositoryException);
284 : virtual uno::Reference< rdf::XQuerySelectResult > SAL_CALL
285 : querySelect(const ::rtl::OUString & i_rQuery)
286 : throw (uno::RuntimeException, rdf::QueryException,
287 : rdf::RepositoryException);
288 : virtual uno::Reference< container::XEnumeration > SAL_CALL
289 : queryConstruct(const ::rtl::OUString & i_rQuery)
290 : throw (uno::RuntimeException, rdf::QueryException,
291 : rdf::RepositoryException);
292 : virtual ::sal_Bool SAL_CALL queryAsk(const ::rtl::OUString & i_rQuery)
293 : throw (uno::RuntimeException, rdf::QueryException,
294 : rdf::RepositoryException);
295 :
296 : // ::com::sun::star::rdf::XDocumentRepository:
297 : virtual void SAL_CALL setStatementRDFa(
298 : const uno::Reference< rdf::XResource > & i_xSubject,
299 : const uno::Sequence< uno::Reference< rdf::XURI > > & i_rPredicates,
300 : const uno::Reference< rdf::XMetadatable > & i_xObject,
301 : const ::rtl::OUString & i_rRDFaContent,
302 : const uno::Reference< rdf::XURI > & i_xRDFaDatatype)
303 : throw (uno::RuntimeException, lang::IllegalArgumentException,
304 : rdf::RepositoryException);
305 : virtual void SAL_CALL removeStatementRDFa(
306 : const uno::Reference< rdf::XMetadatable > & i_xElement)
307 : throw (uno::RuntimeException, lang::IllegalArgumentException,
308 : rdf::RepositoryException);
309 : virtual beans::Pair< uno::Sequence<rdf::Statement>, sal_Bool > SAL_CALL
310 : getStatementRDFa(uno::Reference< rdf::XMetadatable > const& i_xElement)
311 : throw (uno::RuntimeException, lang::IllegalArgumentException,
312 : rdf::RepositoryException);
313 : virtual uno::Reference< container::XEnumeration > SAL_CALL
314 : getStatementsRDFa(
315 : const uno::Reference< rdf::XResource > & i_xSubject,
316 : const uno::Reference< rdf::XURI > & i_xPredicate,
317 : const uno::Reference< rdf::XNode > & i_xObject)
318 : throw (uno::RuntimeException,
319 : rdf::RepositoryException);
320 :
321 : // ::com::sun::star::lang::XInitialization:
322 : virtual void SAL_CALL initialize(
323 : const uno::Sequence< ::com::sun::star::uno::Any > & i_rArguments)
324 : throw (uno::RuntimeException, uno::Exception);
325 :
326 : // XNamedGraph forwards ---------------------------------------------
327 : const NamedGraphMap_t::iterator SAL_CALL clearGraph(
328 : const uno::Reference< rdf::XURI > & i_xName,
329 : bool i_Internal = false );
330 : void addStatementGraph(
331 : const uno::Reference< rdf::XResource > & i_xSubject,
332 : const uno::Reference< rdf::XURI > & i_xPredicate,
333 : const uno::Reference< rdf::XNode > & i_xObject,
334 : const uno::Reference< rdf::XURI > & i_xName,
335 : bool i_Internal = false );
336 : // throw (uno::RuntimeException, lang::IllegalArgumentException,
337 : // container::NoSuchElementException, rdf::RepositoryException);
338 : void removeStatementsGraph(
339 : const uno::Reference< rdf::XResource > & i_xSubject,
340 : const uno::Reference< rdf::XURI > & i_xPredicate,
341 : const uno::Reference< rdf::XNode > & i_xObject,
342 : const uno::Reference< rdf::XURI > & i_xName );
343 : // throw (uno::RuntimeException, lang::IllegalArgumentException,
344 : // container::NoSuchElementException, rdf::RepositoryException);
345 : uno::Reference< container::XEnumeration > getStatementsGraph(
346 : const uno::Reference< rdf::XResource > & i_xSubject,
347 : const uno::Reference< rdf::XURI > & i_xPredicate,
348 : const uno::Reference< rdf::XNode > & i_xObject,
349 : const uno::Reference< rdf::XURI > & i_xName,
350 : bool i_Internal = false );
351 : // throw (uno::RuntimeException, lang::IllegalArgumentException,
352 : // container::NoSuchElementException, rdf::RepositoryException);
353 :
354 0 : const librdf_TypeConverter& getTypeConverter() { return m_TypeConverter; };
355 :
356 : private:
357 :
358 : uno::Reference< uno::XComponentContext > m_xContext;
359 :
360 : /// librdf global data
361 : /** N.B.: The redland documentation gives the impression that you can have
362 : as many librdf_worlds as you like. This is true in the same sense
363 : that you can physically be in as many places as you like.
364 : Well, you can, just not at the same time.
365 : The ugly truth is that destroying a librdf_world kills a bunch
366 : of static variables; other librdf_worlds become very unhappy
367 : when they access these.
368 : And of course this is not documented anywhere that I could find.
369 : So we allocate a single world, and refcount that.
370 : */
371 : static boost::shared_ptr<librdf_world> m_pWorld;
372 : /// refcount
373 : static sal_uInt32 m_NumInstances;
374 : /// mutex for m_pWorld - redland is not as threadsafe as is often claimed
375 : static osl::Mutex m_aMutex;
376 :
377 : // NB: sequence of the shared pointers is important!
378 : /// librdf repository storage
379 : boost::shared_ptr<librdf_storage> m_pStorage;
380 : /// librdf repository model
381 : boost::shared_ptr<librdf_model> m_pModel;
382 :
383 : /// all named graphs
384 : NamedGraphMap_t m_NamedGraphs;
385 :
386 : /// type conversion helper
387 : librdf_TypeConverter m_TypeConverter;
388 :
389 : /// set of xml:ids of elements with xhtml:content
390 : ::std::set< ::rtl::OUString > m_RDFaXHTMLContentSet;
391 : };
392 :
393 :
394 : ////////////////////////////////////////////////////////////////////////////
395 :
396 : /** result of operations that return a graph, i.e.,
397 : an XEnumeration of statements.
398 : */
399 : class librdf_GraphResult:
400 : private boost::noncopyable,
401 : public ::cppu::WeakImplHelper1<
402 : container::XEnumeration>
403 : {
404 : public:
405 :
406 0 : librdf_GraphResult(librdf_Repository *i_pRepository,
407 : ::osl::Mutex & i_rMutex,
408 : boost::shared_ptr<librdf_stream> const& i_pStream,
409 : boost::shared_ptr<librdf_node> const& i_pContext,
410 : boost::shared_ptr<librdf_query> const& i_pQuery =
411 : boost::shared_ptr<librdf_query>() )
412 : : m_xRep(i_pRepository)
413 : , m_rMutex(i_rMutex)
414 : , m_pQuery(i_pQuery)
415 : , m_pContext(i_pContext)
416 0 : , m_pStream(i_pStream)
417 0 : { };
418 :
419 0 : virtual ~librdf_GraphResult() {}
420 :
421 : // ::com::sun::star::container::XEnumeration:
422 : virtual ::sal_Bool SAL_CALL hasMoreElements()
423 : throw (uno::RuntimeException);
424 : virtual uno::Any SAL_CALL nextElement()
425 : throw (uno::RuntimeException, container::NoSuchElementException,
426 : lang::WrappedTargetException);
427 :
428 : private:
429 : // NB: this is not a weak pointer: streams _must_ be deleted before the
430 : // storage they point into, so we keep the repository alive here
431 : // also, sequence is important: the stream must be destroyed first.
432 : ::rtl::Reference< librdf_Repository > m_xRep;
433 : // needed for synchronizing access to librdf (it doesnt do win32 threading)
434 : ::osl::Mutex & m_rMutex;
435 : // the query (in case this is a result of a graph query)
436 : // not that the redland documentation spells this out explicity, but
437 : // queries must be freed only after all the results are completely read
438 : boost::shared_ptr<librdf_query> const m_pQuery;
439 : boost::shared_ptr<librdf_node> const m_pContext;
440 : boost::shared_ptr<librdf_stream> const m_pStream;
441 :
442 : librdf_node* getContext() const;
443 : };
444 :
445 :
446 : // ::com::sun::star::container::XEnumeration:
447 : ::sal_Bool SAL_CALL
448 0 : librdf_GraphResult::hasMoreElements() throw (uno::RuntimeException)
449 : {
450 0 : ::osl::MutexGuard g(m_rMutex);
451 0 : return m_pStream.get() && !librdf_stream_end(m_pStream.get());
452 : }
453 :
454 0 : librdf_node* librdf_GraphResult::getContext() const
455 : {
456 0 : if (!m_pStream.get() || librdf_stream_end(m_pStream.get()))
457 0 : return NULL;
458 : SAL_WNODEPRECATED_DECLARATIONS_PUSH;
459 : librdf_node *pCtxt( static_cast<librdf_node *>
460 0 : (librdf_stream_get_context(m_pStream.get())) );
461 : SAL_WNODEPRECATED_DECLARATIONS_POP;
462 0 : if (pCtxt)
463 0 : return pCtxt;
464 0 : return m_pContext.get();
465 : }
466 :
467 : ::com::sun::star::uno::Any SAL_CALL
468 0 : librdf_GraphResult::nextElement()
469 : throw (uno::RuntimeException, container::NoSuchElementException,
470 : lang::WrappedTargetException)
471 : {
472 0 : ::osl::MutexGuard g(m_rMutex);
473 0 : if (!m_pStream.get() || !librdf_stream_end(m_pStream.get())) {
474 0 : librdf_node * pCtxt = getContext();
475 :
476 0 : librdf_statement *pStmt( librdf_stream_get_object(m_pStream.get()) );
477 0 : if (!pStmt) {
478 : rdf::QueryException e(
479 : "librdf_GraphResult::nextElement: "
480 0 : "librdf_stream_get_object failed", *this);
481 : throw lang::WrappedTargetException(
482 : "librdf_GraphResult::nextElement: "
483 : "librdf_stream_get_object failed", *this,
484 0 : uno::makeAny(e));
485 : }
486 : // NB: pCtxt may be null here if this is result of a graph query
487 0 : if (pCtxt && isInternalContext(pCtxt)) {
488 0 : pCtxt = 0; // XML ID context is implementation detail!
489 : }
490 : rdf::Statement Stmt(
491 0 : m_xRep->getTypeConverter().convertToStatement(pStmt, pCtxt) );
492 : // NB: this will invalidate current item.
493 0 : librdf_stream_next(m_pStream.get());
494 0 : return uno::makeAny(Stmt);
495 : } else {
496 0 : throw container::NoSuchElementException();
497 0 : }
498 : }
499 :
500 :
501 : ////////////////////////////////////////////////////////////////////////////
502 :
503 : /** result of tuple queries ("SELECT").
504 : */
505 : class librdf_QuerySelectResult:
506 : private boost::noncopyable,
507 : public ::cppu::WeakImplHelper1<
508 : rdf::XQuerySelectResult>
509 : {
510 : public:
511 :
512 0 : librdf_QuerySelectResult(librdf_Repository *i_pRepository,
513 : ::osl::Mutex & i_rMutex,
514 : boost::shared_ptr<librdf_query> const& i_pQuery,
515 : boost::shared_ptr<librdf_query_results> const& i_pQueryResult,
516 : uno::Sequence< ::rtl::OUString > const& i_rBindingNames )
517 : : m_xRep(i_pRepository)
518 : , m_rMutex(i_rMutex)
519 : , m_pQuery(i_pQuery)
520 : , m_pQueryResult(i_pQueryResult)
521 0 : , m_BindingNames(i_rBindingNames)
522 0 : { };
523 :
524 0 : virtual ~librdf_QuerySelectResult() {}
525 :
526 : // ::com::sun::star::container::XEnumeration:
527 : virtual ::sal_Bool SAL_CALL hasMoreElements()
528 : throw (uno::RuntimeException);
529 : virtual uno::Any SAL_CALL nextElement()
530 : throw (uno::RuntimeException, container::NoSuchElementException,
531 : lang::WrappedTargetException);
532 :
533 : // ::com::sun::star::rdf::XQuerySelectResult:
534 : virtual uno::Sequence< ::rtl::OUString > SAL_CALL getBindingNames()
535 : throw (uno::RuntimeException);
536 :
537 : private:
538 :
539 : // NB: this is not a weak pointer: streams _must_ be deleted before the
540 : // storage they point into, so we keep the repository alive here
541 : // also, sequence is important: the stream must be destroyed first.
542 : ::rtl::Reference< librdf_Repository > m_xRep;
543 : // needed for synchronizing access to librdf (it doesnt do win32 threading)
544 : ::osl::Mutex & m_rMutex;
545 : // not that the redland documentation spells this out explicity, but
546 : // queries must be freed only after all the results are completely read
547 : boost::shared_ptr<librdf_query> m_pQuery;
548 : boost::shared_ptr<librdf_query_results> m_pQueryResult;
549 : uno::Sequence< ::rtl::OUString > m_BindingNames;
550 : };
551 :
552 :
553 : // ::com::sun::star::container::XEnumeration:
554 : ::sal_Bool SAL_CALL
555 0 : librdf_QuerySelectResult::hasMoreElements() throw (uno::RuntimeException)
556 : {
557 0 : ::osl::MutexGuard g(m_rMutex);
558 0 : return !librdf_query_results_finished(m_pQueryResult.get());
559 : }
560 :
561 : class NodeArrayDeleter : public std::unary_function<librdf_node**, void>
562 : {
563 : const int m_Count;
564 :
565 : public:
566 0 : NodeArrayDeleter(int i_Count) : m_Count(i_Count) { }
567 :
568 0 : void operator() (librdf_node** io_pArray) const throw ()
569 : {
570 0 : std::for_each(io_pArray, io_pArray + m_Count, safe_librdf_free_node);
571 0 : delete[] io_pArray;
572 0 : }
573 : };
574 :
575 : ::com::sun::star::uno::Any SAL_CALL
576 0 : librdf_QuerySelectResult::nextElement()
577 : throw (uno::RuntimeException, container::NoSuchElementException,
578 : lang::WrappedTargetException)
579 : {
580 0 : ::osl::MutexGuard g(m_rMutex);
581 0 : if (!librdf_query_results_finished(m_pQueryResult.get())) {
582 0 : sal_Int32 count(m_BindingNames.getLength());
583 : OSL_ENSURE(count >= 0, "negative length?");
584 0 : boost::shared_array<librdf_node*> pNodes( new librdf_node*[count],
585 0 : NodeArrayDeleter(count));
586 0 : for (int i = 0; i < count; ++i) {
587 0 : pNodes[i] = 0;
588 : }
589 0 : if (librdf_query_results_get_bindings(m_pQueryResult.get(), NULL,
590 0 : pNodes.get()))
591 : {
592 : rdf::QueryException e(
593 : "librdf_QuerySelectResult::nextElement: "
594 0 : "librdf_query_results_get_bindings failed", *this);
595 : throw lang::WrappedTargetException(
596 : "librdf_QuerySelectResult::nextElement: "
597 : "librdf_query_results_get_bindings failed", *this,
598 0 : uno::makeAny(e));
599 : }
600 0 : uno::Sequence< uno::Reference< rdf::XNode > > ret(count);
601 0 : for (int i = 0; i < count; ++i) {
602 0 : ret[i] = m_xRep->getTypeConverter().convertToXNode(pNodes[i]);
603 : }
604 : // NB: this will invalidate current item.
605 0 : librdf_query_results_next(m_pQueryResult.get());
606 0 : return uno::makeAny(ret);
607 : } else {
608 0 : throw container::NoSuchElementException();
609 0 : }
610 : }
611 :
612 : // ::com::sun::star::rdf::XQuerySelectResult:
613 : uno::Sequence< ::rtl::OUString > SAL_CALL
614 0 : librdf_QuerySelectResult::getBindingNames() throw (uno::RuntimeException)
615 : {
616 0 : return m_BindingNames;
617 : }
618 :
619 :
620 : ////////////////////////////////////////////////////////////////////////////
621 :
622 : /** represents a named graph, and forwards all the work to repository.
623 : */
624 : class librdf_NamedGraph:
625 : private boost::noncopyable,
626 : public ::cppu::WeakImplHelper1<
627 : rdf::XNamedGraph>
628 : {
629 : public:
630 0 : librdf_NamedGraph(librdf_Repository * i_pRep,
631 : uno::Reference<rdf::XURI> const & i_xName)
632 : : m_wRep(i_pRep)
633 : , m_pRep(i_pRep)
634 0 : , m_xName(i_xName)
635 0 : { };
636 :
637 0 : virtual ~librdf_NamedGraph() {}
638 :
639 : // ::com::sun::star::rdf::XNode:
640 : virtual ::rtl::OUString SAL_CALL getStringValue()
641 : throw (uno::RuntimeException);
642 :
643 : // ::com::sun::star::rdf::XURI:
644 : virtual ::rtl::OUString SAL_CALL getNamespace()
645 : throw (uno::RuntimeException);
646 : virtual ::rtl::OUString SAL_CALL getLocalName()
647 : throw (uno::RuntimeException);
648 :
649 : // ::com::sun::star::rdf::XNamedGraph:
650 : virtual uno::Reference<rdf::XURI> SAL_CALL getName()
651 : throw (uno::RuntimeException);
652 : virtual void SAL_CALL clear()
653 : throw (uno::RuntimeException,
654 : container::NoSuchElementException, rdf::RepositoryException);
655 : virtual void SAL_CALL addStatement(
656 : const uno::Reference< rdf::XResource > & i_xSubject,
657 : const uno::Reference< rdf::XURI > & i_xPredicate,
658 : const uno::Reference< rdf::XNode > & i_xObject)
659 : throw (uno::RuntimeException, lang::IllegalArgumentException,
660 : container::NoSuchElementException, rdf::RepositoryException);
661 : virtual void SAL_CALL removeStatements(
662 : const uno::Reference< rdf::XResource > & i_xSubject,
663 : const uno::Reference< rdf::XURI > & i_xPredicate,
664 : const uno::Reference< rdf::XNode > & i_xObject)
665 : throw (uno::RuntimeException,
666 : container::NoSuchElementException, rdf::RepositoryException);
667 : virtual uno::Reference< container::XEnumeration > SAL_CALL getStatements(
668 : const uno::Reference< rdf::XResource > & i_xSubject,
669 : const uno::Reference< rdf::XURI > & i_xPredicate,
670 : const uno::Reference< rdf::XNode > & i_xObject)
671 : throw (uno::RuntimeException,
672 : container::NoSuchElementException, rdf::RepositoryException);
673 :
674 : private:
675 :
676 : /// weak reference: this is needed to check if m_pRep is valid
677 : uno::WeakReference< rdf::XRepository > m_wRep;
678 : librdf_Repository *m_pRep;
679 : uno::Reference< rdf::XURI > m_xName;
680 : };
681 :
682 :
683 : // ::com::sun::star::rdf::XNode:
684 0 : ::rtl::OUString SAL_CALL librdf_NamedGraph::getStringValue()
685 : throw (uno::RuntimeException)
686 : {
687 0 : return m_xName->getStringValue();
688 : }
689 :
690 : // ::com::sun::star::rdf::XURI:
691 0 : ::rtl::OUString SAL_CALL librdf_NamedGraph::getNamespace()
692 : throw (uno::RuntimeException)
693 : {
694 0 : return m_xName->getNamespace();
695 : }
696 :
697 0 : ::rtl::OUString SAL_CALL librdf_NamedGraph::getLocalName()
698 : throw (uno::RuntimeException)
699 : {
700 0 : return m_xName->getLocalName();
701 : }
702 :
703 : // ::com::sun::star::rdf::XNamedGraph:
704 0 : uno::Reference< rdf::XURI > SAL_CALL librdf_NamedGraph::getName()
705 : throw (uno::RuntimeException)
706 : {
707 0 : return m_xName;
708 : }
709 :
710 0 : void SAL_CALL librdf_NamedGraph::clear()
711 : throw (uno::RuntimeException,
712 : container::NoSuchElementException, rdf::RepositoryException)
713 : {
714 0 : uno::Reference< rdf::XRepository > xRep( m_wRep );
715 0 : if (!xRep.is()) {
716 : throw rdf::RepositoryException(
717 0 : "librdf_NamedGraph::clear: repository is gone", *this);
718 : }
719 : try {
720 0 : m_pRep->clearGraph(m_xName);
721 0 : } catch (lang::IllegalArgumentException &) {
722 0 : throw uno::RuntimeException();
723 0 : }
724 0 : }
725 :
726 0 : void SAL_CALL librdf_NamedGraph::addStatement(
727 : const uno::Reference< rdf::XResource > & i_xSubject,
728 : const uno::Reference< rdf::XURI > & i_xPredicate,
729 : const uno::Reference< rdf::XNode > & i_xObject)
730 : throw (uno::RuntimeException, lang::IllegalArgumentException,
731 : container::NoSuchElementException, rdf::RepositoryException)
732 : {
733 0 : uno::Reference< rdf::XRepository > xRep( m_wRep );
734 0 : if (!xRep.is()) {
735 : throw rdf::RepositoryException(
736 0 : "librdf_NamedGraph::addStatement: repository is gone", *this);
737 : }
738 0 : m_pRep->addStatementGraph(i_xSubject, i_xPredicate, i_xObject, m_xName);
739 0 : }
740 :
741 0 : void SAL_CALL librdf_NamedGraph::removeStatements(
742 : const uno::Reference< rdf::XResource > & i_xSubject,
743 : const uno::Reference< rdf::XURI > & i_xPredicate,
744 : const uno::Reference< rdf::XNode > & i_xObject)
745 : throw (uno::RuntimeException,
746 : container::NoSuchElementException, rdf::RepositoryException)
747 : {
748 0 : uno::Reference< rdf::XRepository > xRep( m_wRep );
749 0 : if (!xRep.is()) {
750 : throw rdf::RepositoryException(
751 0 : "librdf_NamedGraph::removeStatements: repository is gone", *this);
752 : }
753 0 : m_pRep->removeStatementsGraph(i_xSubject, i_xPredicate, i_xObject, m_xName);
754 0 : }
755 :
756 : uno::Reference< container::XEnumeration > SAL_CALL
757 0 : librdf_NamedGraph::getStatements(
758 : const uno::Reference< rdf::XResource > & i_xSubject,
759 : const uno::Reference< rdf::XURI > & i_xPredicate,
760 : const uno::Reference< rdf::XNode > & i_xObject)
761 : throw (uno::RuntimeException,
762 : container::NoSuchElementException, rdf::RepositoryException)
763 : {
764 0 : uno::Reference< rdf::XRepository > xRep( m_wRep );
765 0 : if (!xRep.is()) {
766 : throw rdf::RepositoryException(
767 0 : "librdf_NamedGraph::getStatements: repository is gone", *this);
768 : }
769 : return m_pRep->getStatementsGraph(
770 0 : i_xSubject, i_xPredicate, i_xObject, m_xName);
771 : }
772 :
773 :
774 : ////////////////////////////////////////////////////////////////////////////
775 :
776 0 : boost::shared_ptr<librdf_world> librdf_Repository::m_pWorld;
777 : sal_uInt32 librdf_Repository::m_NumInstances = 0;
778 0 : osl::Mutex librdf_Repository::m_aMutex;
779 :
780 0 : librdf_Repository::librdf_Repository(
781 : uno::Reference< uno::XComponentContext > const & i_xContext)
782 : : /*BaseMutex(),*/ m_xContext(i_xContext)
783 : // m_pWorld (static_cast<librdf_world *>(0), safe_librdf_free_world ),
784 : , m_pStorage(static_cast<librdf_storage*>(0), safe_librdf_free_storage)
785 : , m_pModel (static_cast<librdf_model *>(0), safe_librdf_free_model )
786 : , m_NamedGraphs()
787 0 : , m_TypeConverter(i_xContext, *this)
788 : {
789 : OSL_ENSURE(i_xContext.is(), "librdf_Repository: null context");
790 :
791 0 : ::osl::MutexGuard g(m_aMutex);
792 0 : if (!m_NumInstances++) {
793 0 : m_pWorld.reset(m_TypeConverter.createWorld(), safe_librdf_free_world);
794 0 : }
795 0 : }
796 :
797 0 : librdf_Repository::~librdf_Repository()
798 : {
799 : // must destroy these before world!
800 0 : m_pModel.reset();
801 0 : m_pStorage.reset();
802 :
803 : // FIXME: so it turns out that calling librdf_free_world will
804 : // (via raptor_sax2_finish) call xmlCleanupParser, which will
805 : // free libxml2's globals! ARRRGH!!! => never call librdf_free_world
806 : #if 0
807 : ::osl::MutexGuard g(m_aMutex);
808 : if (!--m_NumInstances) {
809 : m_pWorld.reset();
810 : }
811 : #endif
812 0 : }
813 :
814 : // com.sun.star.uno.XServiceInfo:
815 0 : ::rtl::OUString SAL_CALL librdf_Repository::getImplementationName()
816 : throw (uno::RuntimeException)
817 : {
818 0 : return comp_librdf_Repository::_getImplementationName();
819 : }
820 :
821 0 : ::sal_Bool SAL_CALL librdf_Repository::supportsService(
822 : ::rtl::OUString const & serviceName) throw (uno::RuntimeException)
823 : {
824 : uno::Sequence< ::rtl::OUString > serviceNames
825 0 : = comp_librdf_Repository::_getSupportedServiceNames();
826 0 : for (::sal_Int32 i = 0; i < serviceNames.getLength(); ++i) {
827 0 : if (serviceNames[i] == serviceName)
828 0 : return sal_True;
829 : }
830 0 : return sal_False;
831 : }
832 :
833 : uno::Sequence< ::rtl::OUString > SAL_CALL
834 0 : librdf_Repository::getSupportedServiceNames() throw (uno::RuntimeException)
835 : {
836 0 : return comp_librdf_Repository::_getSupportedServiceNames();
837 : }
838 :
839 : // ::com::sun::star::rdf::XRepository:
840 0 : uno::Reference< rdf::XBlankNode > SAL_CALL librdf_Repository::createBlankNode()
841 : throw (uno::RuntimeException)
842 : {
843 0 : ::osl::MutexGuard g(m_aMutex);
844 : const boost::shared_ptr<librdf_node> pNode(
845 : librdf_new_node_from_blank_identifier(m_pWorld.get(), NULL),
846 0 : safe_librdf_free_node);
847 0 : if (!pNode) {
848 : throw uno::RuntimeException(
849 : "librdf_Repository::createBlankNode: "
850 0 : "librdf_new_node_from_blank_identifier failed", *this);
851 : }
852 0 : const unsigned char * id (librdf_node_get_blank_identifier(pNode.get()));
853 0 : if (!id) {
854 : throw uno::RuntimeException(
855 : "librdf_Repository::createBlankNode: "
856 0 : "librdf_node_get_blank_identifier failed", *this);
857 : }
858 : const ::rtl::OUString nodeID(::rtl::OUString::createFromAscii(
859 0 : reinterpret_cast<const char *>(id)));
860 : try {
861 0 : return rdf::BlankNode::create(m_xContext, nodeID);
862 0 : } catch (const lang::IllegalArgumentException & iae) {
863 : throw lang::WrappedTargetRuntimeException(
864 : "librdf_Repository::createBlankNode: "
865 0 : "illegal blank node label", *this, uno::makeAny(iae));
866 0 : }
867 : }
868 :
869 0 : bool formatNeedsBaseURI(::sal_Int16 i_Format)
870 : {
871 : (void) i_Format; //FIXME any which dont?
872 0 : return true;
873 : }
874 :
875 0 : xmlParserInputPtr myExtEntityLoader( const char* /*URL*/, const char* /*ID*/, xmlParserCtxtPtr /*context*/)
876 : {
877 0 : return NULL;
878 : }
879 :
880 : //void SAL_CALL
881 : uno::Reference<rdf::XNamedGraph> SAL_CALL
882 0 : librdf_Repository::importGraph(::sal_Int16 i_Format,
883 : const uno::Reference< io::XInputStream > & i_xInStream,
884 : const uno::Reference< rdf::XURI > & i_xGraphName,
885 : const uno::Reference< rdf::XURI > & i_xBaseURI)
886 : throw (uno::RuntimeException, lang::IllegalArgumentException,
887 : datatransfer::UnsupportedFlavorException,
888 : container::ElementExistException, rdf::ParseException,
889 : rdf::RepositoryException, io::IOException)
890 : {
891 0 : ::osl::MutexGuard g(m_aMutex);
892 0 : if (!i_xInStream.is()) {
893 : throw lang::IllegalArgumentException(
894 0 : "librdf_Repository::importGraph: stream is null", *this, 1);
895 : }
896 : //FIXME: other formats
897 0 : if (i_Format != rdf::FileFormat::RDF_XML) {
898 : throw datatransfer::UnsupportedFlavorException(
899 0 : "librdf_Repository::importGraph: file format not supported", *this);
900 : }
901 0 : if (!i_xGraphName.is()) {
902 : throw lang::IllegalArgumentException(
903 0 : "librdf_Repository::importGraph: graph name is null", *this, 2);
904 : }
905 0 : if (i_xGraphName->getStringValue().matchAsciiL(s_nsOOo, sizeof(s_nsOOo)-1))
906 : {
907 : throw lang::IllegalArgumentException(
908 0 : "librdf_Repository::importGraph: URI is reserved", *this, 0);
909 : }
910 0 : if (formatNeedsBaseURI(i_Format) && !i_xBaseURI.is()) {
911 : throw lang::IllegalArgumentException(
912 0 : "librdf_Repository::importGraph: base URI is null", *this, 3);
913 : }
914 : OSL_ENSURE(i_xBaseURI.is(), "no base uri");
915 0 : const ::rtl::OUString baseURIU( i_xBaseURI->getStringValue() );
916 0 : if (baseURIU.indexOf('#') >= 0) {
917 : throw lang::IllegalArgumentException(
918 0 : "librdf_Repository::importGraph: base URI is not absolute", *this, 3);
919 : }
920 :
921 0 : const ::rtl::OUString contextU( i_xGraphName->getStringValue() );
922 0 : if (m_NamedGraphs.find(contextU) != m_NamedGraphs.end()) {
923 : throw container::ElementExistException(
924 0 : "librdf_Repository::importGraph: graph with given URI exists", *this);
925 : }
926 : const ::rtl::OString context(
927 0 : ::rtl::OUStringToOString(contextU, RTL_TEXTENCODING_UTF8) );
928 :
929 : const boost::shared_ptr<librdf_node> pContext(
930 : librdf_new_node_from_uri_string(m_pWorld.get(),
931 0 : reinterpret_cast<const unsigned char*> (context.getStr())),
932 0 : safe_librdf_free_node);
933 0 : if (!pContext) {
934 : throw uno::RuntimeException(
935 0 : "librdf_Repository::importGraph: librdf_new_node_from_uri_string failed", *this);
936 : }
937 :
938 : const ::rtl::OString baseURI(
939 0 : ::rtl::OUStringToOString(baseURIU, RTL_TEXTENCODING_UTF8) );
940 : const boost::shared_ptr<librdf_uri> pBaseURI(
941 : librdf_new_uri(m_pWorld.get(),
942 0 : reinterpret_cast<const unsigned char*> (baseURI.getStr())),
943 0 : safe_librdf_free_uri);
944 0 : if (!pBaseURI) {
945 0 : throw uno::RuntimeException( "librdf_Repository::importGraph: librdf_new_uri failed", *this);
946 : }
947 :
948 : const boost::shared_ptr<librdf_parser> pParser(
949 : librdf_new_parser(m_pWorld.get(), "rdfxml", NULL, NULL),
950 0 : safe_librdf_free_parser);
951 0 : if (!pParser) {
952 : throw uno::RuntimeException(
953 : "librdf_Repository::importGraph: "
954 0 : "librdf_new_parser failed", *this);
955 : }
956 :
957 0 : xmlExternalEntityLoader oldExtEntityLoader = xmlGetExternalEntityLoader();
958 0 : xmlSetExternalEntityLoader( myExtEntityLoader);
959 :
960 0 : uno::Sequence<sal_Int8> buf;
961 0 : uno::Reference<io::XSeekable> xSeekable(i_xInStream, uno::UNO_QUERY);
962 : // UGLY: if only that redland junk could read streams...
963 0 : const sal_Int64 sz( xSeekable.is() ? xSeekable->getLength() : 1 << 20 );
964 : // exceptions are propagated
965 0 : i_xInStream->readBytes( buf, static_cast<sal_Int32>( sz ) );
966 : const boost::shared_ptr<librdf_stream> pStream(
967 : librdf_parser_parse_counted_string_as_stream(pParser.get(),
968 0 : reinterpret_cast<const unsigned char*>(buf.getConstArray()),
969 0 : buf.getLength(), pBaseURI.get()),
970 0 : safe_librdf_free_stream);
971 0 : if (!pStream) {
972 : throw rdf::ParseException(
973 : "librdf_Repository::importGraph: "
974 0 : "librdf_parser_parse_counted_string_as_stream failed", *this);
975 : }
976 : m_NamedGraphs.insert(std::make_pair(contextU,
977 0 : new librdf_NamedGraph(this, i_xGraphName)));
978 0 : if (librdf_model_context_add_statements(m_pModel.get(),
979 0 : pContext.get(), pStream.get())) {
980 : throw rdf::RepositoryException(
981 : "librdf_Repository::importGraph: "
982 0 : "librdf_model_context_add_statements failed", *this);
983 : }
984 :
985 0 : xmlSetExternalEntityLoader( oldExtEntityLoader);
986 0 : return getGraph(i_xGraphName);
987 : }
988 :
989 0 : void addChaffWhenEncryptedStorage(const uno::Reference< io::XOutputStream > &rStream, unsigned char* pBuffer, size_t length)
990 : {
991 0 : if (!length)
992 0 : return;
993 :
994 : uno::Reference< embed::XEncryptionProtectedSource2 > xEncr(rStream,
995 0 : uno::UNO_QUERY);
996 :
997 0 : bool bAddChaff = xEncr.is() && xEncr->hasEncryptionData();
998 :
999 : // exceptions are propagated
1000 0 : if (!bAddChaff)
1001 : {
1002 : const uno::Sequence<sal_Int8> buf(
1003 0 : reinterpret_cast<sal_Int8*>(pBuffer), length);
1004 0 : rStream->writeBytes(buf);
1005 : }
1006 : else
1007 : {
1008 : unsigned char *postcomment =
1009 0 : (unsigned char*)strchr((const char*)pBuffer, '\n');
1010 0 : if (postcomment != NULL)
1011 : {
1012 0 : ++postcomment;
1013 :
1014 0 : size_t preamblelen = postcomment - pBuffer;
1015 :
1016 : uno::Sequence<sal_Int8> buf(
1017 0 : reinterpret_cast<sal_Int8*>(pBuffer), preamblelen);
1018 0 : rStream->writeBytes(buf);
1019 :
1020 0 : rtl::OStringBuffer aComment;
1021 0 : aComment.append("<!--");
1022 0 : aComment.append(comphelper::xml::makeXMLChaff());
1023 0 : aComment.append("-->");
1024 :
1025 : buf = uno::Sequence<sal_Int8>(
1026 0 : reinterpret_cast<const sal_Int8*>(aComment.getStr()), aComment.getLength());
1027 0 : rStream->writeBytes(buf);
1028 :
1029 : buf = uno::Sequence<sal_Int8>(
1030 0 : reinterpret_cast<sal_Int8*>(postcomment), length-preamblelen);
1031 0 : rStream->writeBytes(buf);
1032 : }
1033 0 : }
1034 : }
1035 :
1036 : void SAL_CALL
1037 0 : librdf_Repository::exportGraph(::sal_Int16 i_Format,
1038 : const uno::Reference< io::XOutputStream > & i_xOutStream,
1039 : const uno::Reference< rdf::XURI > & i_xGraphName,
1040 : const uno::Reference< rdf::XURI > & i_xBaseURI)
1041 : throw (uno::RuntimeException, lang::IllegalArgumentException,
1042 : datatransfer::UnsupportedFlavorException,
1043 : container::NoSuchElementException, rdf::RepositoryException,
1044 : io::IOException)
1045 : {
1046 0 : ::osl::MutexGuard g(m_aMutex);
1047 0 : if (!i_xOutStream.is()) {
1048 : throw lang::IllegalArgumentException(
1049 0 : "librdf_Repository::exportGraph: stream is null", *this, 1);
1050 : }
1051 : // FIXME: other formats
1052 0 : if (i_Format != rdf::FileFormat::RDF_XML) {
1053 : throw datatransfer::UnsupportedFlavorException(
1054 : "librdf_Repository::exportGraph: "
1055 0 : "file format not supported", *this);
1056 : }
1057 0 : if (!i_xGraphName.is()) {
1058 : throw lang::IllegalArgumentException(
1059 : "librdf_Repository::exportGraph: "
1060 0 : "graph name is null", *this, 2);
1061 : }
1062 0 : if (formatNeedsBaseURI(i_Format) && !i_xBaseURI.is()) {
1063 : throw lang::IllegalArgumentException(
1064 : "librdf_Repository::exportGraph: "
1065 0 : "base URI is null", *this, 3);
1066 : }
1067 : OSL_ENSURE(i_xBaseURI.is(), "no base uri");
1068 0 : const ::rtl::OUString baseURIU( i_xBaseURI->getStringValue() );
1069 0 : if (baseURIU.indexOf('#') >= 0) {
1070 : throw lang::IllegalArgumentException(
1071 : "librdf_Repository::exportGraph: "
1072 0 : "base URI is not absolute", *this, 3);
1073 : }
1074 :
1075 0 : const ::rtl::OUString contextU( i_xGraphName->getStringValue() );
1076 0 : if (m_NamedGraphs.find(contextU) == m_NamedGraphs.end()) {
1077 : throw container::NoSuchElementException(
1078 : "librdf_Repository::exportGraph: "
1079 0 : "no graph with given URI exists", *this);
1080 : }
1081 : const ::rtl::OString context(
1082 0 : ::rtl::OUStringToOString(contextU, RTL_TEXTENCODING_UTF8) );
1083 :
1084 : const boost::shared_ptr<librdf_node> pContext(
1085 : librdf_new_node_from_uri_string(m_pWorld.get(),
1086 0 : reinterpret_cast<const unsigned char*> (context.getStr())),
1087 0 : safe_librdf_free_node);
1088 0 : if (!pContext) {
1089 : throw uno::RuntimeException(
1090 : "librdf_Repository::exportGraph: "
1091 0 : "librdf_new_node_from_uri_string failed", *this);
1092 : }
1093 : const ::rtl::OString baseURI(
1094 0 : ::rtl::OUStringToOString(baseURIU, RTL_TEXTENCODING_UTF8) );
1095 : const boost::shared_ptr<librdf_uri> pBaseURI(
1096 : librdf_new_uri(m_pWorld.get(),
1097 0 : reinterpret_cast<const unsigned char*> (baseURI.getStr())),
1098 0 : safe_librdf_free_uri);
1099 0 : if (!pBaseURI) {
1100 : throw uno::RuntimeException(
1101 : "librdf_Repository::exportGraph: "
1102 0 : "librdf_new_uri failed", *this);
1103 : }
1104 :
1105 : const boost::shared_ptr<librdf_stream> pStream(
1106 : librdf_model_context_as_stream(m_pModel.get(), pContext.get()),
1107 0 : safe_librdf_free_stream);
1108 0 : if (!pStream) {
1109 : throw rdf::RepositoryException(
1110 : "librdf_Repository::exportGraph: "
1111 0 : "librdf_model_context_as_stream failed", *this);
1112 : }
1113 0 : const char *format("rdfxml");
1114 : // #i116443#: abbrev breaks when certain URIs are used as data types
1115 : // const char *format("rdfxml-abbrev");
1116 : const boost::shared_ptr<librdf_serializer> pSerializer(
1117 : librdf_new_serializer(m_pWorld.get(), format, NULL, NULL),
1118 0 : safe_librdf_free_serializer);
1119 0 : if (!pSerializer) {
1120 : throw uno::RuntimeException(
1121 : "librdf_Repository::exportGraph: "
1122 0 : "librdf_new_serializer failed", *this);
1123 : }
1124 :
1125 : const boost::shared_ptr<librdf_uri> pRelativeURI(
1126 : librdf_new_uri(m_pWorld.get(), reinterpret_cast<const unsigned char*>
1127 : ("http://feature.librdf.org/raptor-relativeURIs")),
1128 0 : safe_librdf_free_uri);
1129 : const boost::shared_ptr<librdf_uri> pWriteBaseURI(
1130 : librdf_new_uri(m_pWorld.get(), reinterpret_cast<const unsigned char*>
1131 : ("http://feature.librdf.org/raptor-writeBaseURI")),
1132 0 : safe_librdf_free_uri);
1133 : const boost::shared_ptr<librdf_node> p0(
1134 : librdf_new_node_from_literal(m_pWorld.get(),
1135 : reinterpret_cast<const unsigned char*> ("0"), NULL, 0),
1136 0 : safe_librdf_free_node);
1137 : const boost::shared_ptr<librdf_node> p1(
1138 : librdf_new_node_from_literal(m_pWorld.get(),
1139 : reinterpret_cast<const unsigned char*> ("1"), NULL, 0),
1140 0 : safe_librdf_free_node);
1141 0 : if (!pWriteBaseURI || !pRelativeURI || !p0 || !p1) {
1142 : throw uno::RuntimeException(
1143 : "librdf_Repository::exportGraph: "
1144 0 : "librdf_new_uri or librdf_new_node_from_literal failed", *this);
1145 : }
1146 :
1147 : // make URIs relative to base URI
1148 0 : if (librdf_serializer_set_feature(pSerializer.get(),
1149 0 : pRelativeURI.get(), p1.get()))
1150 : {
1151 : throw uno::RuntimeException(
1152 : "librdf_Repository::exportGraph: "
1153 0 : "librdf_serializer_set_feature relativeURIs failed", *this);
1154 : }
1155 : // but do not write the base URI to the file!
1156 0 : if (librdf_serializer_set_feature(pSerializer.get(),
1157 0 : pWriteBaseURI.get(), p0.get()))
1158 : {
1159 : throw uno::RuntimeException(
1160 : "librdf_Repository::exportGraph: "
1161 0 : "librdf_serializer_set_feature writeBaseURI failed", *this);
1162 : }
1163 :
1164 : size_t length;
1165 : const boost::shared_ptr<unsigned char> pBuf(
1166 : librdf_serializer_serialize_stream_to_counted_string(
1167 0 : pSerializer.get(), pBaseURI.get(), pStream.get(), &length), free);
1168 0 : if (!pBuf) {
1169 : throw rdf::RepositoryException(
1170 : "librdf_Repository::exportGraph: "
1171 : "librdf_serializer_serialize_stream_to_counted_string failed",
1172 0 : *this);
1173 : }
1174 0 : addChaffWhenEncryptedStorage(i_xOutStream, pBuf.get(), length);
1175 0 : }
1176 :
1177 : uno::Sequence< uno::Reference< rdf::XURI > > SAL_CALL
1178 0 : librdf_Repository::getGraphNames()
1179 : throw (uno::RuntimeException, rdf::RepositoryException)
1180 : {
1181 0 : ::osl::MutexGuard g(m_aMutex);
1182 0 : ::comphelper::SequenceAsVector< uno::Reference<rdf::XURI> > ret;
1183 : std::transform(m_NamedGraphs.begin(), m_NamedGraphs.end(),
1184 : std::back_inserter(ret),
1185 : boost::bind(&rdf::XNamedGraph::getName,
1186 0 : boost::bind(&NamedGraphMap_t::value_type::second, _1)));
1187 0 : return ret.getAsConstList();
1188 : }
1189 :
1190 : uno::Reference< rdf::XNamedGraph > SAL_CALL
1191 0 : librdf_Repository::getGraph(const uno::Reference< rdf::XURI > & i_xGraphName)
1192 : throw (uno::RuntimeException, lang::IllegalArgumentException,
1193 : rdf::RepositoryException)
1194 : {
1195 0 : ::osl::MutexGuard g(m_aMutex);
1196 0 : if (!i_xGraphName.is()) {
1197 : throw lang::IllegalArgumentException(
1198 0 : "librdf_Repository::getGraph: URI is null", *this, 0);
1199 : }
1200 : const NamedGraphMap_t::iterator iter(
1201 0 : m_NamedGraphs.find(i_xGraphName->getStringValue()) );
1202 0 : if (iter != m_NamedGraphs.end()) {
1203 0 : return uno::Reference<rdf::XNamedGraph>(iter->second.get());
1204 : } else {
1205 0 : return 0;
1206 0 : }
1207 : }
1208 :
1209 : uno::Reference< rdf::XNamedGraph > SAL_CALL
1210 0 : librdf_Repository::createGraph(const uno::Reference< rdf::XURI > & i_xGraphName)
1211 : throw (uno::RuntimeException, lang::IllegalArgumentException,
1212 : container::ElementExistException, rdf::RepositoryException)
1213 : {
1214 0 : ::osl::MutexGuard g(m_aMutex);
1215 0 : if (!i_xGraphName.is()) {
1216 : throw lang::IllegalArgumentException(
1217 0 : "librdf_Repository::createGraph: URI is null", *this, 0);
1218 : }
1219 0 : if (i_xGraphName->getStringValue().matchAsciiL(s_nsOOo, sizeof(s_nsOOo)-1))
1220 : {
1221 : throw lang::IllegalArgumentException(
1222 0 : "librdf_Repository::createGraph: URI is reserved", *this, 0);
1223 : }
1224 :
1225 : // NB: librdf does not have a concept of graphs as such;
1226 : // a librdf named graph exists iff the model contains a statement with
1227 : // the graph name as context
1228 0 : const ::rtl::OUString contextU( i_xGraphName->getStringValue() );
1229 0 : if (m_NamedGraphs.find(contextU) != m_NamedGraphs.end()) {
1230 : throw container::ElementExistException(
1231 0 : "librdf_Repository::createGraph: graph with given URI exists", *this);
1232 : }
1233 : m_NamedGraphs.insert(std::make_pair(contextU,
1234 0 : new librdf_NamedGraph(this, i_xGraphName)));
1235 : return uno::Reference<rdf::XNamedGraph>(
1236 0 : m_NamedGraphs.find(contextU)->second.get());
1237 : }
1238 :
1239 : void SAL_CALL
1240 0 : librdf_Repository::destroyGraph(
1241 : const uno::Reference< rdf::XURI > & i_xGraphName)
1242 : throw (uno::RuntimeException, lang::IllegalArgumentException,
1243 : container::NoSuchElementException, rdf::RepositoryException)
1244 : {
1245 0 : ::osl::MutexGuard g(m_aMutex);
1246 0 : const NamedGraphMap_t::iterator iter( clearGraph(i_xGraphName) );
1247 0 : m_NamedGraphs.erase(iter);
1248 0 : }
1249 :
1250 0 : static bool isMetadatableWithoutMetadata(
1251 : uno::Reference<uno::XInterface> const & i_xNode)
1252 : {
1253 0 : const uno::Reference<rdf::XMetadatable> xMeta( i_xNode, uno::UNO_QUERY );
1254 0 : return (xMeta.is() && xMeta->getMetadataReference().Second.isEmpty());
1255 : }
1256 :
1257 : uno::Reference< container::XEnumeration > SAL_CALL
1258 0 : librdf_Repository::getStatements(
1259 : const uno::Reference< rdf::XResource > & i_xSubject,
1260 : const uno::Reference< rdf::XURI > & i_xPredicate,
1261 : const uno::Reference< rdf::XNode > & i_xObject)
1262 : throw (uno::RuntimeException, rdf::RepositoryException)
1263 : {
1264 0 : if (isMetadatableWithoutMetadata(i_xSubject) ||
1265 0 : isMetadatableWithoutMetadata(i_xPredicate) ||
1266 0 : isMetadatableWithoutMetadata(i_xObject))
1267 : {
1268 : return new librdf_GraphResult(this, m_aMutex,
1269 : ::boost::shared_ptr<librdf_stream>(),
1270 0 : ::boost::shared_ptr<librdf_node>());
1271 : }
1272 :
1273 0 : ::osl::MutexGuard g(m_aMutex);
1274 : const boost::shared_ptr<librdf_statement> pStatement(
1275 : m_TypeConverter.mkStatement(m_pWorld.get(),
1276 : i_xSubject, i_xPredicate, i_xObject),
1277 0 : safe_librdf_free_statement);
1278 : OSL_ENSURE(pStatement, "mkStatement failed");
1279 :
1280 : const boost::shared_ptr<librdf_stream> pStream(
1281 : librdf_model_find_statements(m_pModel.get(), pStatement.get()),
1282 0 : safe_librdf_free_stream);
1283 0 : if (!pStream) {
1284 : throw rdf::RepositoryException(
1285 : "librdf_Repository::getStatements: "
1286 0 : "librdf_model_find_statements failed", *this);
1287 : }
1288 :
1289 : return new librdf_GraphResult(this, m_aMutex, pStream,
1290 0 : ::boost::shared_ptr<librdf_node>());
1291 : }
1292 :
1293 :
1294 : uno::Reference< rdf::XQuerySelectResult > SAL_CALL
1295 0 : librdf_Repository::querySelect(const ::rtl::OUString & i_rQuery)
1296 : throw (uno::RuntimeException, rdf::QueryException, rdf::RepositoryException)
1297 : {
1298 0 : ::osl::MutexGuard g(m_aMutex);
1299 : const ::rtl::OString query(
1300 0 : ::rtl::OUStringToOString(i_rQuery, RTL_TEXTENCODING_UTF8) );
1301 : const boost::shared_ptr<librdf_query> pQuery(
1302 : librdf_new_query(m_pWorld.get(), s_sparql, NULL,
1303 0 : reinterpret_cast<const unsigned char*> (query.getStr()), NULL),
1304 0 : safe_librdf_free_query);
1305 0 : if (!pQuery) {
1306 : throw rdf::QueryException(
1307 : "librdf_Repository::querySelect: "
1308 0 : "librdf_new_query failed", *this);
1309 : }
1310 : const boost::shared_ptr<librdf_query_results> pResults(
1311 : librdf_model_query_execute(m_pModel.get(), pQuery.get()),
1312 0 : safe_librdf_free_query_results);
1313 0 : if (!pResults || !librdf_query_results_is_bindings(pResults.get())) {
1314 : throw rdf::QueryException(
1315 : "librdf_Repository::querySelect: "
1316 0 : "query result is null or not bindings", *this);
1317 : }
1318 :
1319 0 : const int count( librdf_query_results_get_bindings_count(pResults.get()) );
1320 0 : if (count >= 0) {
1321 0 : uno::Sequence< ::rtl::OUString > names(count);
1322 0 : for (int i = 0; i < count; ++i) {
1323 : const char* name( librdf_query_results_get_binding_name(
1324 0 : pResults.get(), i) );
1325 0 : if (!name) {
1326 : throw rdf::QueryException(
1327 0 : "librdf_Repository::querySelect: binding is null", *this);
1328 : }
1329 :
1330 0 : names[i] = ::rtl::OUString::createFromAscii(name);
1331 : }
1332 :
1333 : return new librdf_QuerySelectResult(this, m_aMutex,
1334 0 : pQuery, pResults, names);
1335 :
1336 : } else {
1337 : throw rdf::QueryException(
1338 : "librdf_Repository::querySelect: "
1339 0 : "librdf_query_results_get_bindings_count failed", *this);
1340 0 : }
1341 : }
1342 :
1343 : uno::Reference< container::XEnumeration > SAL_CALL
1344 0 : librdf_Repository::queryConstruct(const ::rtl::OUString & i_rQuery)
1345 : throw (uno::RuntimeException, rdf::QueryException, rdf::RepositoryException)
1346 : {
1347 0 : ::osl::MutexGuard g(m_aMutex);
1348 : const ::rtl::OString query(
1349 0 : ::rtl::OUStringToOString(i_rQuery, RTL_TEXTENCODING_UTF8) );
1350 : const boost::shared_ptr<librdf_query> pQuery(
1351 : librdf_new_query(m_pWorld.get(), s_sparql, NULL,
1352 0 : reinterpret_cast<const unsigned char*> (query.getStr()), NULL),
1353 0 : safe_librdf_free_query);
1354 0 : if (!pQuery) {
1355 : throw rdf::QueryException(
1356 : "librdf_Repository::queryConstruct: "
1357 0 : "librdf_new_query failed", *this);
1358 : }
1359 : const boost::shared_ptr<librdf_query_results> pResults(
1360 : librdf_model_query_execute(m_pModel.get(), pQuery.get()),
1361 0 : safe_librdf_free_query_results);
1362 0 : if (!pResults || !librdf_query_results_is_graph(pResults.get())) {
1363 : throw rdf::QueryException(
1364 : "librdf_Repository::queryConstruct: "
1365 0 : "query result is null or not graph", *this);
1366 : }
1367 : const boost::shared_ptr<librdf_stream> pStream(
1368 : librdf_query_results_as_stream(pResults.get()),
1369 0 : safe_librdf_free_stream);
1370 0 : if (!pStream) {
1371 : throw rdf::QueryException(
1372 : "librdf_Repository::queryConstruct: "
1373 0 : "librdf_query_results_as_stream failed", *this);
1374 : }
1375 :
1376 : return new librdf_GraphResult(this, m_aMutex, pStream,
1377 0 : ::boost::shared_ptr<librdf_node>(), pQuery);
1378 : }
1379 :
1380 : ::sal_Bool SAL_CALL
1381 0 : librdf_Repository::queryAsk(const ::rtl::OUString & i_rQuery)
1382 : throw (uno::RuntimeException, rdf::QueryException, rdf::RepositoryException)
1383 : {
1384 0 : ::osl::MutexGuard g(m_aMutex);
1385 :
1386 : const ::rtl::OString query(
1387 0 : ::rtl::OUStringToOString(i_rQuery, RTL_TEXTENCODING_UTF8) );
1388 : const boost::shared_ptr<librdf_query> pQuery(
1389 : librdf_new_query(m_pWorld.get(), s_sparql, NULL,
1390 0 : reinterpret_cast<const unsigned char*> (query.getStr()), NULL),
1391 0 : safe_librdf_free_query);
1392 0 : if (!pQuery) {
1393 : throw rdf::QueryException(
1394 : "librdf_Repository::queryAsk: "
1395 0 : "librdf_new_query failed", *this);
1396 : }
1397 : const boost::shared_ptr<librdf_query_results> pResults(
1398 : librdf_model_query_execute(m_pModel.get(), pQuery.get()),
1399 0 : safe_librdf_free_query_results);
1400 0 : if (!pResults || !librdf_query_results_is_boolean(pResults.get())) {
1401 : throw rdf::QueryException(
1402 : "librdf_Repository::queryAsk: "
1403 0 : "query result is null or not boolean", *this);
1404 : }
1405 0 : return librdf_query_results_get_boolean(pResults.get())
1406 0 : ? sal_True : sal_False;
1407 : }
1408 :
1409 : // ::com::sun::star::rdf::XDocumentRepository:
1410 0 : void SAL_CALL librdf_Repository::setStatementRDFa(
1411 : const uno::Reference< rdf::XResource > & i_xSubject,
1412 : const uno::Sequence< uno::Reference< rdf::XURI > > & i_rPredicates,
1413 : const uno::Reference< rdf::XMetadatable > & i_xObject,
1414 : const ::rtl::OUString & i_rRDFaContent,
1415 : const uno::Reference< rdf::XURI > & i_xRDFaDatatype)
1416 : throw (uno::RuntimeException, lang::IllegalArgumentException,
1417 : rdf::RepositoryException)
1418 : {
1419 0 : static const ::rtl::OUString s_cell("com.sun.star.table.Cell");
1420 0 : static const ::rtl::OUString s_cellprops("com.sun.star.text.CellProperties"); // for writer
1421 0 : static const ::rtl::OUString s_paragraph("com.sun.star.text.Paragraph");
1422 0 : static const ::rtl::OUString s_bookmark("com.sun.star.text.Bookmark");
1423 0 : static const ::rtl::OUString s_meta("com.sun.star.text.InContentMetadata");
1424 :
1425 0 : if (!i_xSubject.is()) {
1426 : throw lang::IllegalArgumentException(
1427 0 : "librdf_Repository::setStatementRDFa: Subject is null", *this, 0);
1428 : }
1429 0 : if (!i_rPredicates.getLength()) {
1430 : throw lang::IllegalArgumentException(
1431 : "librdf_Repository::setStatementRDFa: no Predicates",
1432 0 : *this, 1);
1433 : }
1434 0 : for (sal_Int32 i = 0; i < i_rPredicates.getLength(); ++i) {
1435 0 : if (!i_rPredicates[i].is()) {
1436 : throw lang::IllegalArgumentException(
1437 : "librdf_Repository::setStatementRDFa: Predicate is null",
1438 0 : *this, 1);
1439 : }
1440 : }
1441 0 : if (!i_xObject.is()) {
1442 : throw lang::IllegalArgumentException(
1443 0 : "librdf_Repository::setStatementRDFa: Object is null", *this, 2);
1444 : }
1445 : const uno::Reference<lang::XServiceInfo> xService(i_xObject,
1446 0 : uno::UNO_QUERY_THROW);
1447 0 : uno::Reference<text::XTextRange> xTextRange;
1448 0 : if (xService->supportsService(s_cell) ||
1449 0 : xService->supportsService(s_cellprops) ||
1450 0 : xService->supportsService(s_paragraph))
1451 : {
1452 0 : xTextRange.set(i_xObject, uno::UNO_QUERY_THROW);
1453 : }
1454 0 : else if (xService->supportsService(s_bookmark) ||
1455 0 : xService->supportsService(s_meta))
1456 : {
1457 : const uno::Reference<text::XTextContent> xTextContent(i_xObject,
1458 0 : uno::UNO_QUERY_THROW);
1459 0 : xTextRange = xTextContent->getAnchor();
1460 : }
1461 0 : if (!xTextRange.is()) {
1462 : throw lang::IllegalArgumentException(
1463 : "librdf_Repository::setStatementRDFa: "
1464 0 : "Object does not support RDFa", *this, 2);
1465 : }
1466 : // ensure that the metadatable has an XML ID
1467 0 : i_xObject->ensureMetadataReference();
1468 0 : const beans::StringPair mdref( i_xObject->getMetadataReference() );
1469 0 : if ((mdref.First.isEmpty()) || (mdref.Second.isEmpty())) {
1470 : throw uno::RuntimeException(
1471 : "librdf_Repository::setStatementRDFa: "
1472 0 : "ensureMetadataReference did not", *this);
1473 : }
1474 0 : ::rtl::OUString const sXmlId(mdref.First + "#" + mdref.Second);
1475 0 : uno::Reference<rdf::XURI> xXmlId;
1476 : try {
1477 : xXmlId.set( rdf::URI::create(m_xContext,
1478 0 : ::rtl::OUString::createFromAscii(s_nsOOo) + sXmlId),
1479 0 : uno::UNO_QUERY_THROW);
1480 0 : } catch (const lang::IllegalArgumentException & iae) {
1481 : throw lang::WrappedTargetRuntimeException(
1482 : "librdf_Repository::setStatementRDFa: "
1483 0 : "cannot create URI for XML ID", *this, uno::makeAny(iae));
1484 : }
1485 :
1486 0 : ::osl::MutexGuard g(m_aMutex);
1487 0 : ::rtl::OUString const content( (i_rRDFaContent.isEmpty())
1488 0 : ? xTextRange->getString()
1489 0 : : i_rRDFaContent );
1490 0 : uno::Reference<rdf::XNode> xContent;
1491 : try {
1492 0 : if (i_xRDFaDatatype.is()) {
1493 : xContent.set(rdf::Literal::createWithType(m_xContext,
1494 : content, i_xRDFaDatatype),
1495 0 : uno::UNO_QUERY_THROW);
1496 : } else {
1497 : xContent.set(rdf::Literal::create(m_xContext, content),
1498 0 : uno::UNO_QUERY_THROW);
1499 : }
1500 0 : } catch (const lang::IllegalArgumentException & iae) {
1501 : throw lang::WrappedTargetRuntimeException(
1502 : "librdf_Repository::setStatementRDFa: "
1503 0 : "cannot create literal", *this, uno::makeAny(iae));
1504 : }
1505 0 : removeStatementRDFa(i_xObject);
1506 0 : if (i_rRDFaContent.isEmpty()) {
1507 0 : m_RDFaXHTMLContentSet.erase(sXmlId);
1508 : } else {
1509 0 : m_RDFaXHTMLContentSet.insert(sXmlId);
1510 : }
1511 : ::std::for_each(::comphelper::stl_begin(i_rPredicates),
1512 : ::comphelper::stl_end(i_rPredicates),
1513 : ::boost::bind( &librdf_Repository::addStatementGraph,
1514 0 : this, i_xSubject, _1, xContent, xXmlId, true));
1515 0 : }
1516 :
1517 0 : void SAL_CALL librdf_Repository::removeStatementRDFa(
1518 : const uno::Reference< rdf::XMetadatable > & i_xElement)
1519 : throw (uno::RuntimeException, lang::IllegalArgumentException,
1520 : rdf::RepositoryException)
1521 : {
1522 0 : if (!i_xElement.is()) {
1523 : throw lang::IllegalArgumentException(
1524 : "librdf_Repository::removeStatementRDFa: Element is null",
1525 0 : *this, 0);
1526 : }
1527 :
1528 0 : const beans::StringPair mdref( i_xElement->getMetadataReference() );
1529 0 : if ((mdref.First.isEmpty()) || (mdref.Second.isEmpty())) {
1530 0 : return; // nothing to do...
1531 : }
1532 0 : uno::Reference<rdf::XURI> xXmlId;
1533 : try {
1534 : xXmlId.set( rdf::URI::create(m_xContext,
1535 : ::rtl::OUString::createFromAscii(s_nsOOo)
1536 0 : + mdref.First + "#"
1537 0 : + mdref.Second),
1538 0 : uno::UNO_QUERY_THROW);
1539 0 : } catch (const lang::IllegalArgumentException & iae) {
1540 : throw lang::WrappedTargetRuntimeException(
1541 : "librdf_Repository::removeStatementRDFa: "
1542 0 : "cannot create URI for XML ID", *this, uno::makeAny(iae));
1543 : }
1544 : // clearGraph does locking, not needed here
1545 0 : clearGraph(xXmlId, true);
1546 : }
1547 :
1548 : beans::Pair< uno::Sequence<rdf::Statement>, sal_Bool > SAL_CALL
1549 0 : librdf_Repository::getStatementRDFa(
1550 : const uno::Reference< rdf::XMetadatable > & i_xElement)
1551 : throw (uno::RuntimeException, lang::IllegalArgumentException,
1552 : rdf::RepositoryException)
1553 : {
1554 0 : if (!i_xElement.is()) {
1555 : throw lang::IllegalArgumentException(
1556 0 : "librdf_Repository::getStatementRDFa: Element is null", *this, 0);
1557 : }
1558 0 : const beans::StringPair mdref( i_xElement->getMetadataReference() );
1559 0 : if ((mdref.First.isEmpty()) || (mdref.Second.isEmpty())) {
1560 0 : return beans::Pair< uno::Sequence<rdf::Statement>, sal_Bool >();
1561 : }
1562 0 : ::rtl::OUString const sXmlId(mdref.First + "#" + mdref.Second);
1563 0 : uno::Reference<rdf::XURI> xXmlId;
1564 : try {
1565 : xXmlId.set( rdf::URI::create(m_xContext,
1566 0 : ::rtl::OUString::createFromAscii(s_nsOOo) + sXmlId),
1567 0 : uno::UNO_QUERY_THROW);
1568 0 : } catch (const lang::IllegalArgumentException & iae) {
1569 : throw lang::WrappedTargetRuntimeException(
1570 : "librdf_Repository::getStatementRDFa: "
1571 0 : "cannot create URI for XML ID", *this, uno::makeAny(iae));
1572 : }
1573 :
1574 0 : ::osl::MutexGuard g(m_aMutex);
1575 0 : ::comphelper::SequenceAsVector< rdf::Statement > ret;
1576 : const uno::Reference<container::XEnumeration> xIter(
1577 0 : getStatementsGraph(0, 0, 0, xXmlId, true) );
1578 : OSL_ENSURE(xIter.is(), "getStatementRDFa: no result?");
1579 0 : if (!xIter.is()) throw uno::RuntimeException();
1580 0 : while (xIter->hasMoreElements()) {
1581 0 : rdf::Statement stmt;
1582 0 : if (!(xIter->nextElement() >>= stmt)) {
1583 : OSL_FAIL("getStatementRDFa: result of wrong type?");
1584 : } else {
1585 0 : ret.push_back(stmt);
1586 : }
1587 0 : }
1588 : return beans::Pair< uno::Sequence<rdf::Statement>, sal_Bool >(
1589 0 : ret.getAsConstList(), 0 != m_RDFaXHTMLContentSet.count(sXmlId));
1590 : }
1591 :
1592 : extern "C"
1593 0 : librdf_statement *rdfa_context_stream_map_handler(
1594 : librdf_stream *i_pStream, void *, librdf_statement *i_pStatement)
1595 : {
1596 : OSL_ENSURE(i_pStream, "rdfa_context_stream_map_handler: stream null");
1597 0 : if (i_pStream) {
1598 : SAL_WNODEPRECATED_DECLARATIONS_PUSH;
1599 : librdf_node *pCtxt( static_cast<librdf_node *>
1600 0 : (librdf_stream_get_context(i_pStream)) );
1601 : SAL_WNODEPRECATED_DECLARATIONS_POP;
1602 : OSL_ENSURE(pCtxt, "rdfa_context_stream_map_handler: context null");
1603 0 : if (pCtxt && isInternalContext(pCtxt)) {
1604 0 : return i_pStatement;
1605 : }
1606 : }
1607 0 : return 0;
1608 : };
1609 :
1610 : uno::Reference< container::XEnumeration > SAL_CALL
1611 0 : librdf_Repository::getStatementsRDFa(
1612 : const uno::Reference< rdf::XResource > & i_xSubject,
1613 : const uno::Reference< rdf::XURI > & i_xPredicate,
1614 : const uno::Reference< rdf::XNode > & i_xObject)
1615 : throw (uno::RuntimeException, rdf::RepositoryException)
1616 : {
1617 0 : if (isMetadatableWithoutMetadata(i_xSubject) ||
1618 0 : isMetadatableWithoutMetadata(i_xPredicate) ||
1619 0 : isMetadatableWithoutMetadata(i_xObject))
1620 : {
1621 : return new librdf_GraphResult(this, m_aMutex,
1622 : ::boost::shared_ptr<librdf_stream>(),
1623 0 : ::boost::shared_ptr<librdf_node>());
1624 : }
1625 :
1626 0 : ::osl::MutexGuard g(m_aMutex);
1627 : const boost::shared_ptr<librdf_statement> pStatement(
1628 : m_TypeConverter.mkStatement(m_pWorld.get(),
1629 : i_xSubject, i_xPredicate, i_xObject),
1630 0 : safe_librdf_free_statement);
1631 : OSL_ENSURE(pStatement, "mkStatement failed");
1632 :
1633 : const boost::shared_ptr<librdf_stream> pStream(
1634 : librdf_model_find_statements(m_pModel.get(), pStatement.get()),
1635 0 : safe_librdf_free_stream);
1636 0 : if (!pStream) {
1637 : throw rdf::RepositoryException(
1638 : "librdf_Repository::getStatementsRDFa: "
1639 0 : "librdf_model_find_statements failed", *this);
1640 : }
1641 :
1642 0 : if (librdf_stream_add_map(pStream.get(), rdfa_context_stream_map_handler,
1643 0 : 0, 0)) {
1644 : throw rdf::RepositoryException(
1645 : "librdf_Repository::getStatementsRDFa: "
1646 0 : "librdf_stream_add_map failed", *this);
1647 : }
1648 :
1649 : return new librdf_GraphResult(this, m_aMutex, pStream,
1650 0 : ::boost::shared_ptr<librdf_node>());
1651 : }
1652 :
1653 : // ::com::sun::star::lang::XInitialization:
1654 0 : void SAL_CALL librdf_Repository::initialize(
1655 : const uno::Sequence< ::com::sun::star::uno::Any > & i_rArguments)
1656 : throw (uno::RuntimeException, uno::Exception)
1657 : {
1658 : (void) i_rArguments;
1659 :
1660 0 : ::osl::MutexGuard g(m_aMutex);
1661 :
1662 : // m_pWorld.reset(m_TypeConverter.createWorld(), safe_librdf_free_world);
1663 : m_pStorage.reset(m_TypeConverter.createStorage(m_pWorld.get()),
1664 0 : safe_librdf_free_storage);
1665 : m_pModel.reset(m_TypeConverter.createModel(
1666 0 : m_pWorld.get(), m_pStorage.get()), safe_librdf_free_model);
1667 0 : }
1668 :
1669 0 : const NamedGraphMap_t::iterator SAL_CALL librdf_Repository::clearGraph(
1670 : const uno::Reference< rdf::XURI > & i_xGraphName, bool i_Internal)
1671 : // throw (uno::RuntimeException, container::NoSuchElementException,
1672 : // rdf::RepositoryException)
1673 : {
1674 0 : if (!i_xGraphName.is()) {
1675 : throw lang::IllegalArgumentException(
1676 0 : "librdf_Repository::clearGraph: URI is null", *this, 0);
1677 : }
1678 0 : ::osl::MutexGuard g(m_aMutex);
1679 0 : const ::rtl::OUString contextU( i_xGraphName->getStringValue() );
1680 0 : const NamedGraphMap_t::iterator iter( m_NamedGraphs.find(contextU) );
1681 0 : if (!i_Internal && iter == m_NamedGraphs.end()) {
1682 : throw container::NoSuchElementException(
1683 : "librdf_Repository::clearGraph: "
1684 0 : "no graph with given URI exists", *this);
1685 : }
1686 : const ::rtl::OString context(
1687 0 : ::rtl::OUStringToOString(contextU, RTL_TEXTENCODING_UTF8) );
1688 :
1689 : const boost::shared_ptr<librdf_node> pContext(
1690 : librdf_new_node_from_uri_string(m_pWorld.get(),
1691 0 : reinterpret_cast<const unsigned char*> (context.getStr())),
1692 0 : safe_librdf_free_node);
1693 0 : if (!pContext) {
1694 : throw uno::RuntimeException(
1695 : "librdf_Repository::clearGraph: "
1696 0 : "librdf_new_node_from_uri_string failed", *this);
1697 : }
1698 0 : if (librdf_model_context_remove_statements(m_pModel.get(), pContext.get()))
1699 : {
1700 : throw rdf::RepositoryException(
1701 : "librdf_Repository::clearGraph: "
1702 0 : "librdf_model_context_remove_statements failed", *this);
1703 : }
1704 0 : return iter;
1705 : }
1706 :
1707 0 : void librdf_Repository::addStatementGraph(
1708 : const uno::Reference< rdf::XResource > & i_xSubject,
1709 : const uno::Reference< rdf::XURI > & i_xPredicate,
1710 : const uno::Reference< rdf::XNode > & i_xObject,
1711 : const uno::Reference< rdf::XURI > & i_xGraphName,
1712 : bool i_Internal)
1713 : //throw (uno::RuntimeException, lang::IllegalArgumentException,
1714 : // container::NoSuchElementException, rdf::RepositoryException)
1715 : {
1716 0 : if (!i_xSubject.is()) {
1717 : throw lang::IllegalArgumentException(
1718 0 : "librdf_Repository::addStatement: Subject is null", *this, 0);
1719 : }
1720 0 : if (!i_xPredicate.is()) {
1721 : throw lang::IllegalArgumentException(
1722 : "librdf_Repository::addStatement: Predicate is null",
1723 0 : *this, 1);
1724 : }
1725 0 : if (!i_xObject.is()) {
1726 : throw lang::IllegalArgumentException(
1727 0 : "librdf_Repository::addStatement: Object is null", *this, 2);
1728 : }
1729 :
1730 0 : ::osl::MutexGuard g(m_aMutex);
1731 0 : const ::rtl::OUString contextU( i_xGraphName->getStringValue() );
1732 0 : if (!i_Internal && (m_NamedGraphs.find(contextU) == m_NamedGraphs.end())) {
1733 : throw container::NoSuchElementException(
1734 : "librdf_Repository::addStatement: "
1735 0 : "no graph with given URI exists", *this);
1736 : }
1737 : const ::rtl::OString context(
1738 0 : ::rtl::OUStringToOString(contextU, RTL_TEXTENCODING_UTF8) );
1739 :
1740 : const boost::shared_ptr<librdf_node> pContext(
1741 : librdf_new_node_from_uri_string(m_pWorld.get(),
1742 0 : reinterpret_cast<const unsigned char*> (context.getStr())),
1743 0 : safe_librdf_free_node);
1744 0 : if (!pContext) {
1745 : throw uno::RuntimeException(
1746 : "librdf_Repository::addStatement: "
1747 0 : "librdf_new_node_from_uri_string failed", *this);
1748 : }
1749 : const boost::shared_ptr<librdf_statement> pStatement(
1750 : m_TypeConverter.mkStatement(m_pWorld.get(),
1751 : i_xSubject, i_xPredicate, i_xObject),
1752 0 : safe_librdf_free_statement);
1753 : OSL_ENSURE(pStatement, "mkStatement failed");
1754 :
1755 : // Test for duplicate statement
1756 : // librdf_model_add_statement disallows duplicates while
1757 : // librdf_model_context_add_statement allows duplicates
1758 : {
1759 : const boost::shared_ptr<librdf_stream> pStream(
1760 : librdf_model_find_statements_in_context(m_pModel.get(),
1761 : pStatement.get(), pContext.get()),
1762 0 : safe_librdf_free_stream);
1763 0 : if (pStream && !librdf_stream_end(pStream.get()))
1764 0 : return;
1765 : }
1766 :
1767 0 : if (librdf_model_context_add_statement(m_pModel.get(),
1768 0 : pContext.get(), pStatement.get())) {
1769 : throw rdf::RepositoryException(
1770 : "librdf_Repository::addStatement: "
1771 0 : "librdf_model_context_add_statement failed", *this);
1772 0 : }
1773 : }
1774 :
1775 0 : void librdf_Repository::removeStatementsGraph(
1776 : const uno::Reference< rdf::XResource > & i_xSubject,
1777 : const uno::Reference< rdf::XURI > & i_xPredicate,
1778 : const uno::Reference< rdf::XNode > & i_xObject,
1779 : const uno::Reference< rdf::XURI > & i_xGraphName)
1780 : //throw (uno::RuntimeException, lang::IllegalArgumentException,
1781 : // container::NoSuchElementException, rdf::RepositoryException)
1782 : {
1783 0 : if (isMetadatableWithoutMetadata(i_xSubject) ||
1784 0 : isMetadatableWithoutMetadata(i_xPredicate) ||
1785 0 : isMetadatableWithoutMetadata(i_xObject))
1786 : {
1787 0 : return;
1788 : }
1789 :
1790 0 : ::osl::MutexGuard g(m_aMutex);
1791 0 : const ::rtl::OUString contextU( i_xGraphName->getStringValue() );
1792 0 : if (m_NamedGraphs.find(contextU) == m_NamedGraphs.end()) {
1793 : throw container::NoSuchElementException(
1794 : "librdf_Repository::removeStatements: "
1795 0 : "no graph with given URI exists", *this);
1796 : }
1797 : const ::rtl::OString context(
1798 0 : ::rtl::OUStringToOString(contextU, RTL_TEXTENCODING_UTF8) );
1799 :
1800 : const boost::shared_ptr<librdf_node> pContext(
1801 : librdf_new_node_from_uri_string(m_pWorld.get(),
1802 0 : reinterpret_cast<const unsigned char*> (context.getStr())),
1803 0 : safe_librdf_free_node);
1804 0 : if (!pContext) {
1805 : throw uno::RuntimeException(
1806 : "librdf_Repository::removeStatements: "
1807 0 : "librdf_new_node_from_uri_string failed", *this);
1808 : }
1809 : const boost::shared_ptr<librdf_statement> pStatement(
1810 : m_TypeConverter.mkStatement(m_pWorld.get(),
1811 : i_xSubject, i_xPredicate, i_xObject),
1812 0 : safe_librdf_free_statement);
1813 : OSL_ENSURE(pStatement, "mkStatement failed");
1814 :
1815 : const boost::shared_ptr<librdf_stream> pStream(
1816 : librdf_model_find_statements_in_context(m_pModel.get(),
1817 : pStatement.get(), pContext.get()),
1818 0 : safe_librdf_free_stream);
1819 0 : if (!pStream) {
1820 : throw rdf::RepositoryException(
1821 : "librdf_Repository::removeStatements: "
1822 0 : "librdf_model_find_statements_in_context failed", *this);
1823 : }
1824 :
1825 0 : if (!librdf_stream_end(pStream.get())) {
1826 0 : do {
1827 0 : librdf_statement *pStmt( librdf_stream_get_object(pStream.get()) );
1828 0 : if (!pStmt) {
1829 : throw rdf::RepositoryException(
1830 : "librdf_Repository::removeStatements: "
1831 0 : "librdf_stream_get_object failed", *this);
1832 : }
1833 0 : if (librdf_model_context_remove_statement(m_pModel.get(),
1834 0 : pContext.get(), pStmt)) {
1835 : throw rdf::RepositoryException(
1836 : "librdf_Repository::removeStatements: "
1837 0 : "librdf_model_context_remove_statement failed", *this);
1838 : }
1839 0 : } while (!librdf_stream_next(pStream.get()));
1840 0 : }
1841 : }
1842 :
1843 : uno::Reference< container::XEnumeration >
1844 0 : librdf_Repository::getStatementsGraph(
1845 : const uno::Reference< rdf::XResource > & i_xSubject,
1846 : const uno::Reference< rdf::XURI > & i_xPredicate,
1847 : const uno::Reference< rdf::XNode > & i_xObject,
1848 : const uno::Reference< rdf::XURI > & i_xGraphName,
1849 : bool i_Internal)
1850 : //throw (uno::RuntimeException, lang::IllegalArgumentException,
1851 : // container::NoSuchElementException, rdf::RepositoryException)
1852 : {
1853 : // N.B.: if any of subject, predicate, object is an XMetadatable, and
1854 : // has no metadata reference, then there cannot be any node in the graph
1855 : // representing it; in order to prevent side effect
1856 : // (ensureMetadataReference), check for this condition and return
1857 0 : if (isMetadatableWithoutMetadata(i_xSubject) ||
1858 0 : isMetadatableWithoutMetadata(i_xPredicate) ||
1859 0 : isMetadatableWithoutMetadata(i_xObject))
1860 : {
1861 : return new librdf_GraphResult(this, m_aMutex,
1862 : ::boost::shared_ptr<librdf_stream>(),
1863 0 : ::boost::shared_ptr<librdf_node>());
1864 : }
1865 :
1866 0 : ::osl::MutexGuard g(m_aMutex);
1867 0 : const ::rtl::OUString contextU( i_xGraphName->getStringValue() );
1868 0 : if (!i_Internal && (m_NamedGraphs.find(contextU) == m_NamedGraphs.end())) {
1869 : throw container::NoSuchElementException(
1870 : "librdf_Repository::getStatements: "
1871 0 : "no graph with given URI exists", *this);
1872 : }
1873 : const ::rtl::OString context(
1874 0 : ::rtl::OUStringToOString(contextU, RTL_TEXTENCODING_UTF8) );
1875 :
1876 : const boost::shared_ptr<librdf_node> pContext(
1877 : librdf_new_node_from_uri_string(m_pWorld.get(),
1878 0 : reinterpret_cast<const unsigned char*> (context.getStr())),
1879 0 : safe_librdf_free_node);
1880 0 : if (!pContext) {
1881 : throw uno::RuntimeException(
1882 : "librdf_Repository::getStatements: "
1883 0 : "librdf_new_node_from_uri_string failed", *this);
1884 : }
1885 : const boost::shared_ptr<librdf_statement> pStatement(
1886 : m_TypeConverter.mkStatement(m_pWorld.get(),
1887 : i_xSubject, i_xPredicate, i_xObject),
1888 0 : safe_librdf_free_statement);
1889 : OSL_ENSURE(pStatement, "mkStatement failed");
1890 :
1891 : const boost::shared_ptr<librdf_stream> pStream(
1892 : librdf_model_find_statements_in_context(m_pModel.get(),
1893 : pStatement.get(), pContext.get()),
1894 0 : safe_librdf_free_stream);
1895 0 : if (!pStream) {
1896 : throw rdf::RepositoryException(
1897 : "librdf_Repository::getStatements: "
1898 0 : "librdf_model_find_statements_in_context failed", *this);
1899 : }
1900 :
1901 : // librdf_model_find_statements_in_context is buggy and does not put
1902 : // the context into result statements; pass it to librdf_GraphResult here
1903 0 : return new librdf_GraphResult(this, m_aMutex, pStream, pContext);
1904 : }
1905 :
1906 0 : librdf_world *librdf_TypeConverter::createWorld() const
1907 : {
1908 : // create and initialize world
1909 0 : librdf_world *pWorld( librdf_new_world() );
1910 0 : if (!pWorld) {
1911 : throw uno::RuntimeException(
1912 : "librdf_TypeConverter::createWorld: librdf_new_world failed",
1913 0 : m_rRep);
1914 : }
1915 : //FIXME logger, digest, features?
1916 0 : xsltSecurityPrefsPtr origprefs = xsltGetDefaultSecurityPrefs();
1917 0 : librdf_world_open(pWorld);
1918 0 : xsltSecurityPrefsPtr newprefs = xsltGetDefaultSecurityPrefs();
1919 0 : if (newprefs != origprefs) {
1920 : // #i110523# restore libxslt global configuration
1921 : // (gratuitously overwritten by raptor_init_parser_grddl_common)
1922 : // (this is the only reason unordf is linked against libxslt)
1923 0 : xsltSetDefaultSecurityPrefs(origprefs);
1924 : }
1925 0 : return pWorld;
1926 : }
1927 :
1928 : librdf_storage *
1929 0 : librdf_TypeConverter::createStorage(librdf_world *i_pWorld) const
1930 : {
1931 : librdf_storage *pStorage(
1932 : // librdf_new_storage(i_pWorld, "memory", NULL, "contexts='yes'") );
1933 : librdf_new_storage(i_pWorld, "hashes", NULL,
1934 0 : "contexts='yes',hash-type='memory'") );
1935 0 : if (!pStorage) {
1936 : throw uno::RuntimeException(
1937 : "librdf_TypeConverter::createStorage: librdf_new_storage failed",
1938 0 : m_rRep);
1939 : }
1940 0 : return pStorage;
1941 : }
1942 :
1943 0 : librdf_model *librdf_TypeConverter::createModel(
1944 : librdf_world *i_pWorld, librdf_storage * i_pStorage) const
1945 : {
1946 0 : librdf_model *pRepository( librdf_new_model(i_pWorld, i_pStorage, NULL) );
1947 0 : if (!pRepository) {
1948 : throw uno::RuntimeException(
1949 : "librdf_TypeConverter::createModel: librdf_new_model failed",
1950 0 : m_rRep);
1951 : }
1952 : //FIXME
1953 : #if 0
1954 : {
1955 : librdf_uri * ctxt = librdf_new_uri(i_pWorld, reinterpret_cast<const unsigned char *>(LIBRDF_MODEL_FEATURE_CONTEXTS));
1956 : librdf_node * contexts = librdf_model_get_feature(repository, ctxt);
1957 : if (!contexts)
1958 : throw;
1959 : std::cout << "value of contexts feature: ";
1960 : prtNode(contexts);
1961 : std::cout << std::endl;
1962 : // librdf_model_set_feature(repository, LIBRDF_FEATURE_CONTEXTS, ...);
1963 : safe_librdf_free_node(contexts);
1964 : safe_librdf_free_uri(ctxt);
1965 : }
1966 : #endif
1967 0 : return pRepository;
1968 : }
1969 :
1970 : // this does NOT create a node, only URI
1971 0 : librdf_uri* librdf_TypeConverter::mkURI( librdf_world* i_pWorld,
1972 : const uno::Reference< rdf::XURI > & i_xURI) const
1973 : {
1974 : const ::rtl::OString uri(
1975 0 : ::rtl::OUStringToOString(i_xURI->getStringValue(),
1976 0 : RTL_TEXTENCODING_UTF8) );
1977 : librdf_uri *pURI( librdf_new_uri(i_pWorld,
1978 0 : reinterpret_cast<const unsigned char *>(uri.getStr())));
1979 0 : if (!pURI) {
1980 : throw uno::RuntimeException(
1981 0 : "librdf_TypeConverter::mkURI: librdf_new_uri failed", 0);
1982 : }
1983 0 : return pURI;
1984 : }
1985 :
1986 : // create blank or URI node
1987 0 : librdf_node* librdf_TypeConverter::mkResource( librdf_world* i_pWorld,
1988 : const uno::Reference< rdf::XResource > & i_xResource) const
1989 : {
1990 0 : if (!i_xResource.is()) return 0;
1991 0 : uno::Reference< rdf::XBlankNode > xBlankNode(i_xResource, uno::UNO_QUERY);
1992 0 : if (xBlankNode.is()) {
1993 : const ::rtl::OString label(
1994 0 : ::rtl::OUStringToOString(xBlankNode->getStringValue(),
1995 0 : RTL_TEXTENCODING_UTF8) );
1996 : librdf_node *pNode(
1997 : librdf_new_node_from_blank_identifier(i_pWorld,
1998 0 : reinterpret_cast<const unsigned char*> (label.getStr())));
1999 0 : if (!pNode) {
2000 : throw uno::RuntimeException(
2001 : "librdf_TypeConverter::mkResource: "
2002 0 : "librdf_new_node_from_blank_identifier failed", 0);
2003 : }
2004 0 : return pNode;
2005 : } else { // assumption: everything else is URI
2006 : const ::rtl::OString uri(
2007 0 : ::rtl::OUStringToOString(i_xResource->getStringValue(),
2008 0 : RTL_TEXTENCODING_UTF8) );
2009 : librdf_node *pNode(
2010 : librdf_new_node_from_uri_string(i_pWorld,
2011 0 : reinterpret_cast<const unsigned char*> (uri.getStr())));
2012 0 : if (!pNode) {
2013 : throw uno::RuntimeException(
2014 : "librdf_TypeConverter::mkResource: "
2015 0 : "librdf_new_node_from_uri_string failed", 0);
2016 : }
2017 0 : return pNode;
2018 0 : }
2019 : }
2020 :
2021 : // create blank or URI or literal node
2022 0 : librdf_node* librdf_TypeConverter::mkNode( librdf_world* i_pWorld,
2023 : const uno::Reference< rdf::XNode > & i_xNode) const
2024 : {
2025 0 : if (!i_xNode.is()) return 0;
2026 0 : uno::Reference< rdf::XResource > xResource(i_xNode, uno::UNO_QUERY);
2027 0 : if (xResource.is()) {
2028 0 : return mkResource(i_pWorld, xResource);
2029 : }
2030 0 : uno::Reference< rdf::XLiteral> xLiteral(i_xNode, uno::UNO_QUERY);
2031 : OSL_ENSURE(xLiteral.is(),
2032 : "mkNode: someone invented a new rdf.XNode and did not tell me");
2033 0 : if (!xLiteral.is()) return 0;
2034 : const ::rtl::OString val(
2035 0 : ::rtl::OUStringToOString(xLiteral->getValue(),
2036 0 : RTL_TEXTENCODING_UTF8) );
2037 : const ::rtl::OString lang(
2038 0 : ::rtl::OUStringToOString(xLiteral->getLanguage(),
2039 0 : RTL_TEXTENCODING_UTF8) );
2040 0 : const uno::Reference< rdf::XURI > xType(xLiteral->getDatatype());
2041 0 : librdf_node * ret(0);
2042 0 : if (lang.isEmpty()) {
2043 0 : if (!xType.is()) {
2044 : ret = librdf_new_node_from_literal(i_pWorld,
2045 0 : reinterpret_cast<const unsigned char*> (val.getStr()),
2046 0 : NULL, 0);
2047 : } else {
2048 : const boost::shared_ptr<librdf_uri> pDatatype(
2049 0 : mkURI(i_pWorld, xType), safe_librdf_free_uri);
2050 : ret = librdf_new_node_from_typed_literal(i_pWorld,
2051 0 : reinterpret_cast<const unsigned char*> (val.getStr()),
2052 0 : NULL, pDatatype.get());
2053 : }
2054 : } else {
2055 0 : if (!xType.is()) {
2056 : ret = librdf_new_node_from_literal(i_pWorld,
2057 0 : reinterpret_cast<const unsigned char*> (val.getStr()),
2058 0 : (lang.getStr()), 0);
2059 :
2060 : } else {
2061 : OSL_FAIL("mkNode: invalid literal");
2062 0 : return 0;
2063 : }
2064 : }
2065 0 : if (!ret) {
2066 : throw uno::RuntimeException(
2067 0 : "librdf_TypeConverter::mkNode: librdf_new_node_from_literal failed", 0);
2068 : }
2069 0 : return ret;
2070 : }
2071 :
2072 0 : librdf_statement* librdf_TypeConverter::mkStatement( librdf_world* i_pWorld,
2073 : const uno::Reference< rdf::XResource > & i_xSubject,
2074 : const uno::Reference< rdf::XURI > & i_xPredicate,
2075 : const uno::Reference< rdf::XNode > & i_xObject) const
2076 : {
2077 0 : librdf_node* pSubject( mkResource(i_pWorld, i_xSubject) );
2078 0 : librdf_node* pPredicate(0);
2079 0 : librdf_node* pObject(0);
2080 : try {
2081 : const uno::Reference<rdf::XResource> xPredicate(i_xPredicate,
2082 0 : uno::UNO_QUERY);
2083 0 : pPredicate = mkResource(i_pWorld, xPredicate);
2084 : try {
2085 0 : pObject = mkNode(i_pWorld, i_xObject);
2086 0 : } catch (...) {
2087 0 : safe_librdf_free_node(pPredicate);
2088 0 : throw;
2089 0 : }
2090 0 : } catch (...) {
2091 0 : safe_librdf_free_node(pSubject);
2092 0 : throw;
2093 : }
2094 : // NB: this takes ownership of the nodes! (which is really ugly)
2095 : librdf_statement* pStatement( librdf_new_statement_from_nodes(i_pWorld,
2096 0 : pSubject, pPredicate, pObject) );
2097 0 : if (!pStatement) {
2098 : throw uno::RuntimeException(
2099 : "librdf_TypeConverter::mkStatement: "
2100 0 : "librdf_new_statement_from_nodes failed", 0);
2101 : }
2102 0 : return pStatement;
2103 : }
2104 :
2105 : uno::Reference<rdf::XURI>
2106 0 : librdf_TypeConverter::convertToXURI(librdf_uri* i_pURI) const
2107 : {
2108 0 : if (!i_pURI) return 0;
2109 0 : const unsigned char* uri( librdf_uri_as_string(i_pURI) );
2110 0 : if (!uri) {
2111 : throw uno::RuntimeException(
2112 : "librdf_TypeConverter::convertToXURI: "
2113 0 : "librdf_uri_as_string failed", m_rRep);
2114 : }
2115 : ::rtl::OUString uriU( ::rtl::OStringToOUString(
2116 : ::rtl::OString(reinterpret_cast<const sal_Char*>(uri)),
2117 0 : RTL_TEXTENCODING_UTF8) );
2118 : try {
2119 0 : return rdf::URI::create(m_xContext, uriU);
2120 0 : } catch (const lang::IllegalArgumentException & iae) {
2121 : throw lang::WrappedTargetRuntimeException(
2122 : "librdf_TypeConverter::convertToXURI: "
2123 0 : "illegal uri", m_rRep, uno::makeAny(iae));
2124 0 : }
2125 : }
2126 :
2127 : uno::Reference<rdf::XURI>
2128 0 : librdf_TypeConverter::convertToXURI(librdf_node* i_pNode) const
2129 : {
2130 0 : if (!i_pNode) return 0;
2131 0 : if (librdf_node_is_resource(i_pNode)) {
2132 0 : librdf_uri* pURI( librdf_node_get_uri(i_pNode) );
2133 0 : if (!pURI) {
2134 : throw uno::RuntimeException(
2135 : "librdf_TypeConverter::convertToXURI: "
2136 0 : "resource has no uri", m_rRep);
2137 : }
2138 0 : return convertToXURI(pURI);
2139 : } else {
2140 : OSL_FAIL("convertToXURI: unknown librdf_node");
2141 0 : return 0;
2142 : }
2143 : }
2144 :
2145 : uno::Reference<rdf::XResource>
2146 0 : librdf_TypeConverter::convertToXResource(librdf_node* i_pNode) const
2147 : {
2148 0 : if (!i_pNode) return 0;
2149 0 : if (librdf_node_is_blank(i_pNode)) {
2150 0 : const unsigned char* label( librdf_node_get_blank_identifier(i_pNode) );
2151 0 : if (!label) {
2152 : throw uno::RuntimeException(
2153 : "librdf_TypeConverter::convertToXResource: "
2154 0 : "blank node has no label", m_rRep);
2155 : }
2156 : ::rtl::OUString labelU( ::rtl::OStringToOUString(
2157 : ::rtl::OString(reinterpret_cast<const sal_Char*>(label)),
2158 0 : RTL_TEXTENCODING_UTF8) );
2159 : try {
2160 : return uno::Reference<rdf::XResource>(
2161 0 : rdf::BlankNode::create(m_xContext, labelU), uno::UNO_QUERY);
2162 0 : } catch (const lang::IllegalArgumentException & iae) {
2163 : throw lang::WrappedTargetRuntimeException(
2164 : "librdf_TypeConverter::convertToXResource: "
2165 0 : "illegal blank node label", m_rRep, uno::makeAny(iae));
2166 0 : }
2167 : } else {
2168 : return uno::Reference<rdf::XResource>(convertToXURI(i_pNode),
2169 0 : uno::UNO_QUERY);
2170 : }
2171 : }
2172 :
2173 : uno::Reference<rdf::XNode>
2174 0 : librdf_TypeConverter::convertToXNode(librdf_node* i_pNode) const
2175 : {
2176 0 : if (!i_pNode) return 0;
2177 0 : if (!librdf_node_is_literal(i_pNode)) {
2178 : return uno::Reference<rdf::XNode>(convertToXResource(i_pNode),
2179 0 : uno::UNO_QUERY);
2180 : }
2181 0 : const unsigned char* value( librdf_node_get_literal_value(i_pNode) );
2182 0 : if (!value) {
2183 : throw uno::RuntimeException(
2184 : "librdf_TypeConverter::convertToXNode: "
2185 0 : "literal has no value", m_rRep);
2186 : }
2187 0 : const char * lang( librdf_node_get_literal_value_language(i_pNode) );
2188 : librdf_uri* pType(
2189 0 : librdf_node_get_literal_value_datatype_uri(i_pNode) );
2190 : OSL_ENSURE(!lang || !pType, "convertToXNode: invalid literal");
2191 : const ::rtl::OUString valueU( ::rtl::OStringToOUString(
2192 : ::rtl::OString(reinterpret_cast<const sal_Char*>(value)),
2193 0 : RTL_TEXTENCODING_UTF8) );
2194 0 : if (lang) {
2195 : const ::rtl::OUString langU( ::rtl::OStringToOUString(
2196 : ::rtl::OString(reinterpret_cast<const sal_Char*>(lang)),
2197 0 : RTL_TEXTENCODING_UTF8) );
2198 : return uno::Reference<rdf::XNode>(
2199 : rdf::Literal::createWithLanguage(m_xContext, valueU, langU),
2200 0 : uno::UNO_QUERY);
2201 0 : } else if (pType) {
2202 0 : uno::Reference<rdf::XURI> xType(convertToXURI(pType));
2203 : OSL_ENSURE(xType.is(), "convertToXNode: null uri");
2204 : return uno::Reference<rdf::XNode>(
2205 : rdf::Literal::createWithType(m_xContext, valueU, xType),
2206 0 : uno::UNO_QUERY);
2207 : } else {
2208 : return uno::Reference<rdf::XNode>(
2209 : rdf::Literal::create(m_xContext, valueU),
2210 0 : uno::UNO_QUERY);
2211 0 : }
2212 : }
2213 :
2214 : rdf::Statement
2215 0 : librdf_TypeConverter::convertToStatement(librdf_statement* i_pStmt,
2216 : librdf_node* i_pContext) const
2217 : {
2218 0 : if (!i_pStmt) {
2219 0 : throw uno::RuntimeException();
2220 : }
2221 : return rdf::Statement(
2222 : convertToXResource(librdf_statement_get_subject(i_pStmt)),
2223 : convertToXURI(librdf_statement_get_predicate(i_pStmt)),
2224 : convertToXNode(librdf_statement_get_object(i_pStmt)),
2225 0 : convertToXURI(i_pContext));
2226 : }
2227 :
2228 : } // closing anonymous implementation namespace
2229 :
2230 :
2231 :
2232 : // component helper namespace
2233 : namespace comp_librdf_Repository {
2234 :
2235 0 : ::rtl::OUString SAL_CALL _getImplementationName() {
2236 0 : return rtl::OUString("librdf_Repository");
2237 : }
2238 :
2239 0 : uno::Sequence< ::rtl::OUString > SAL_CALL _getSupportedServiceNames()
2240 : {
2241 0 : uno::Sequence< ::rtl::OUString > s(1);
2242 0 : s[0] = "com.sun.star.rdf.Repository";
2243 0 : return s;
2244 : }
2245 :
2246 0 : uno::Reference< uno::XInterface > SAL_CALL _create(
2247 : const uno::Reference< uno::XComponentContext > & context)
2248 : SAL_THROW((uno::Exception))
2249 : {
2250 0 : return static_cast< ::cppu::OWeakObject * >(new librdf_Repository(context));
2251 : }
2252 :
2253 0 : } // closing component helper namespace
2254 :
2255 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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