diff -r 5a3095bbb41b configure.in
--- a/configure.in Fri Feb 12 10:25:14 2010 +0000
+++ b/configure.in Fri Feb 19 15:12:45 2010 +0000
@@ -525,6 +525,9 @@
AC_ARG_WITH(system-lpsolve,
[ --with-system-lpsolve Use lpsolve already on system
],,)
+AC_ARG_WITH(system-redland,
+[ --with-system-redland Use redland library already on system
+],,)
AC_ARG_WITH(system-mozilla,
[ --with-system-mozilla Use mozilla already on system. Note that some
components cannot be built against a contemporary
@@ -4794,12 +4797,7 @@
dnl Check for system redland
dnl ===================================================================
AC_MSG_CHECKING([which redland library to use])
-dnl if test -n "$with_system_redland" -o -n "$with_system_libs" && \
-dnl test "$with_system_redland" != "no"; then
-dnl mst: NOTE: right now we need patches against redland
-dnl so we only enable system redland if explicitly requested
-dnl if next version includes patches, insert version check here
-if test -n "$with_system_redland" && \
+if test -n "$with_system_redland" -o -n "$with_system_libs" && \
test "$with_system_redland" != "no"; then
AC_MSG_RESULT([external])
SYSTEM_REDLAND=YES
diff -r 5a3095bbb41b unoxml/source/rdf/librdf_repository.cxx
--- a/unoxml/source/rdf/librdf_repository.cxx Fri Feb 12 10:25:14 2010 +0000
+++ b/unoxml/source/rdf/librdf_repository.cxx Fri Feb 19 15:15:34 2010 +0000
@@ -425,11 +425,13 @@
librdf_GraphResult(librdf_Repository *i_pRepository,
::osl::Mutex & i_rMutex,
boost::shared_ptr<librdf_stream> const& i_pStream,
+ boost::shared_ptr<librdf_node> const& i_pContext,
boost::shared_ptr<librdf_query> const& i_pQuery =
boost::shared_ptr<librdf_query>() )
: m_xRep(i_pRepository)
, m_rMutex(i_rMutex)
, m_pQuery(i_pQuery)
+ , m_pContext(i_pContext)
, m_pStream(i_pStream)
{ };
@@ -453,7 +455,10 @@
// not that the redland documentation spells this out explicity, but
// queries must be freed only after all the results are completely read
boost::shared_ptr<librdf_query> m_pQuery;
+ boost::shared_ptr<librdf_node> m_pContext;
boost::shared_ptr<librdf_stream> m_pStream;
+
+ librdf_node* getContext() const;
};
@@ -465,6 +470,17 @@
return m_pStream.get() && !librdf_stream_end(m_pStream.get());
}
+librdf_node* librdf_GraphResult::getContext() const
+{
+ if (!m_pStream.get() || librdf_stream_end(m_pStream.get()))
+ return NULL;
+ librdf_node *pCtxt( static_cast<librdf_node *>
+ (librdf_stream_get_context(m_pStream.get())) );
+ if (pCtxt)
+ return pCtxt;
+ return m_pContext.get();
+}
+
::com::sun::star::uno::Any SAL_CALL
librdf_GraphResult::nextElement()
throw (uno::RuntimeException, container::NoSuchElementException,
@@ -472,8 +488,8 @@
{
::osl::MutexGuard g(m_rMutex);
if (!m_pStream.get() || !librdf_stream_end(m_pStream.get())) {
- librdf_node *pCtxt( static_cast<librdf_node *>
- (librdf_stream_get_context(m_pStream.get())) );
+ librdf_node *pCtxt = getContext();
+
librdf_statement *pStmt( librdf_stream_get_object(m_pStream.get()) );
if (!pStmt) {
rdf::QueryException e(::rtl::OUString::createFromAscii(
@@ -559,6 +575,54 @@
return !librdf_query_results_finished(m_pQueryResult.get());
}
+namespace
+{
+ static void safe_librdf_free_world(librdf_world *world)
+ {
+ if (world) librdf_free_world(world);
+ }
+ static void safe_librdf_free_model(librdf_model* model)
+ {
+ if (model) librdf_free_model(model);
+ }
+ static void safe_librdf_free_node(librdf_node* node)
+ {
+ if (node) librdf_free_node(node);
+ }
+ static void safe_librdf_free_parser(librdf_parser* parser)
+ {
+ if (parser) librdf_free_parser(parser);
+ }
+ static void safe_librdf_free_query(librdf_query* query)
+ {
+ if (query) librdf_free_query(query);
+ }
+ static void safe_librdf_free_query_results(librdf_query_results* query_results)
+ {
+ if (query_results) librdf_free_query_results(query_results);
+ }
+ static void safe_librdf_free_serializer(librdf_serializer *serializer)
+ {
+ if (serializer) librdf_free_serializer(serializer);
+ }
+ static void safe_librdf_free_statement(librdf_statement *statement)
+ {
+ if (statement) librdf_free_statement(statement);
+ }
+ static void safe_librdf_free_storage(librdf_storage* storage)
+ {
+ if (storage) librdf_free_storage(storage);
+ }
+ static void safe_librdf_free_stream(librdf_stream* stream)
+ {
+ if (stream) librdf_free_stream(stream);
+ }
+ static void safe_librdf_free_uri(librdf_uri* uri)
+ {
+ if (uri) librdf_free_uri(uri);
+ }
+}
+
class NodeArrayDeleter : public std::unary_function<librdf_node**, void>
{
const int m_Count;
@@ -568,7 +632,7 @@
void operator() (librdf_node** io_pArray) const throw ()
{
- std::for_each(io_pArray, io_pArray + m_Count, librdf_free_node);
+ std::for_each(io_pArray, io_pArray + m_Count, safe_librdf_free_node);
delete[] io_pArray;
}
};
@@ -781,9 +845,9 @@
librdf_Repository::librdf_Repository(
uno::Reference< uno::XComponentContext > const & i_xContext)
: /*BaseMutex(),*/ m_xContext(i_xContext)
-// m_pWorld (static_cast<librdf_world *>(0), librdf_free_world ),
- , m_pStorage(static_cast<librdf_storage*>(0), librdf_free_storage)
- , m_pModel (static_cast<librdf_model *>(0), librdf_free_model )
+// m_pWorld (static_cast<librdf_world *>(0), safe_librdf_free_world ),
+ , m_pStorage(static_cast<librdf_storage*>(0), safe_librdf_free_storage)
+ , m_pModel (static_cast<librdf_model *>(0), safe_librdf_free_model )
, m_NamedGraphs()
, m_TypeConverter(i_xContext, *this)
{
@@ -791,7 +855,7 @@
::osl::MutexGuard g(m_aMutex);
if (!m_NumInstances++) {
- m_pWorld.reset(m_TypeConverter.createWorld(), librdf_free_world);
+ m_pWorld.reset(m_TypeConverter.createWorld(), safe_librdf_free_world);
}
}
@@ -801,9 +865,9 @@
m_pModel.reset();
m_pStorage.reset();
- // FIXME: so it turns out that calling librdf_free_world will
+ // FIXME: so it turns out that calling safe_librdf_free_world will
// (via raptor_sax2_finish) call xmlCleanupParser, which will
- // free libxml2's globals! ARRRGH!!! => never call librdf_free_world
+ // free libxml2's globals! ARRRGH!!! => never call safe_librdf_free_world
#if 0
::osl::MutexGuard g(m_aMutex);
if (!--m_NumInstances) {
@@ -844,7 +908,7 @@
::osl::MutexGuard g(m_aMutex);
const boost::shared_ptr<librdf_node> pNode(
librdf_new_node_from_blank_identifier(m_pWorld.get(), NULL),
- librdf_free_node);
+ safe_librdf_free_node);
if (!pNode) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::createBlankNode: "
@@ -933,7 +997,7 @@
const boost::shared_ptr<librdf_node> pContext(
librdf_new_node_from_uri_string(m_pWorld.get(),
reinterpret_cast<const unsigned char*> (context.getStr())),
- librdf_free_node);
+ safe_librdf_free_node);
if (!pContext) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::importGraph: "
@@ -945,7 +1009,7 @@
const boost::shared_ptr<librdf_uri> pBaseURI(
librdf_new_uri(m_pWorld.get(),
reinterpret_cast<const unsigned char*> (baseURI.getStr())),
- librdf_free_uri);
+ safe_librdf_free_uri);
if (!pBaseURI) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::importGraph: "
@@ -954,7 +1018,7 @@
const boost::shared_ptr<librdf_parser> pParser(
librdf_new_parser(m_pWorld.get(), "rdfxml", NULL, NULL),
- librdf_free_parser);
+ safe_librdf_free_parser);
if (!pParser) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::importGraph: "
@@ -971,7 +1035,7 @@
librdf_parser_parse_counted_string_as_stream(pParser.get(),
reinterpret_cast<const unsigned char*>(buf.getConstArray()),
buf.getLength(), pBaseURI.get()),
- librdf_free_stream);
+ safe_librdf_free_stream);
if (!pStream) {
throw rdf::ParseException(::rtl::OUString::createFromAscii(
"librdf_Repository::importGraph: "
@@ -1040,7 +1104,7 @@
const boost::shared_ptr<librdf_node> pContext(
librdf_new_node_from_uri_string(m_pWorld.get(),
reinterpret_cast<const unsigned char*> (context.getStr())),
- librdf_free_node);
+ safe_librdf_free_node);
if (!pContext) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::exportGraph: "
@@ -1051,7 +1115,7 @@
const boost::shared_ptr<librdf_uri> pBaseURI(
librdf_new_uri(m_pWorld.get(),
reinterpret_cast<const unsigned char*> (baseURI.getStr())),
- librdf_free_uri);
+ safe_librdf_free_uri);
if (!pBaseURI) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::exportGraph: "
@@ -1060,7 +1124,7 @@
const boost::shared_ptr<librdf_stream> pStream(
librdf_model_context_as_stream(m_pModel.get(), pContext.get()),
- librdf_free_stream);
+ safe_librdf_free_stream);
if (!pStream) {
throw rdf::RepositoryException(::rtl::OUString::createFromAscii(
"librdf_Repository::exportGraph: "
@@ -1070,7 +1134,7 @@
const char *format("rdfxml-abbrev");
const boost::shared_ptr<librdf_serializer> pSerializer(
librdf_new_serializer(m_pWorld.get(), format, NULL, NULL),
- librdf_free_serializer);
+ safe_librdf_free_serializer);
if (!pSerializer) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::exportGraph: "
@@ -1080,19 +1144,19 @@
const boost::shared_ptr<librdf_uri> pRelativeURI(
librdf_new_uri(m_pWorld.get(), reinterpret_cast<const unsigned char*>
("http://feature.librdf.org/raptor-relativeURIs")),
- librdf_free_uri);
+ safe_librdf_free_uri);
const boost::shared_ptr<librdf_uri> pWriteBaseURI(
librdf_new_uri(m_pWorld.get(), reinterpret_cast<const unsigned char*>
("http://feature.librdf.org/raptor-writeBaseURI")),
- librdf_free_uri);
+ safe_librdf_free_uri);
const boost::shared_ptr<librdf_node> p0(
librdf_new_node_from_literal(m_pWorld.get(),
reinterpret_cast<const unsigned char*> ("0"), NULL, 0),
- librdf_free_node);
+ safe_librdf_free_node);
const boost::shared_ptr<librdf_node> p1(
librdf_new_node_from_literal(m_pWorld.get(),
reinterpret_cast<const unsigned char*> ("1"), NULL, 0),
- librdf_free_node);
+ safe_librdf_free_node);
if (!pWriteBaseURI || !pRelativeURI || !p0 || !p1) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::exportGraph: "
@@ -1228,26 +1292,28 @@
isMetadatableWithoutMetadata(i_xObject))
{
return new librdf_GraphResult(this, m_aMutex,
- ::boost::shared_ptr<librdf_stream>());
+ ::boost::shared_ptr<librdf_stream>(),
+ ::boost::shared_ptr<librdf_node>());
}
::osl::MutexGuard g(m_aMutex);
const boost::shared_ptr<librdf_statement> pStatement(
m_TypeConverter.mkStatement(m_pWorld.get(),
i_xSubject, i_xPredicate, i_xObject),
- librdf_free_statement);
+ safe_librdf_free_statement);
OSL_ENSURE(pStatement, "mkStatement failed");
const boost::shared_ptr<librdf_stream> pStream(
librdf_model_find_statements(m_pModel.get(), pStatement.get()),
- librdf_free_stream);
+ safe_librdf_free_stream);
if (!pStream) {
throw rdf::RepositoryException(::rtl::OUString::createFromAscii(
"librdf_Repository::getStatements: "
"librdf_model_find_statements failed"), *this);
}
- return new librdf_GraphResult(this, m_aMutex, pStream);
+ return new librdf_GraphResult(this, m_aMutex, pStream,
+ ::boost::shared_ptr<librdf_node>());
}
@@ -1261,7 +1327,7 @@
const boost::shared_ptr<librdf_query> pQuery(
librdf_new_query(m_pWorld.get(), s_sparql, NULL,
reinterpret_cast<const unsigned char*> (query.getStr()), NULL),
- librdf_free_query);
+ safe_librdf_free_query);
if (!pQuery) {
throw rdf::QueryException(::rtl::OUString::createFromAscii(
"librdf_Repository::querySelect: "
@@ -1269,7 +1335,7 @@
}
const boost::shared_ptr<librdf_query_results> pResults(
librdf_model_query_execute(m_pModel.get(), pQuery.get()),
- librdf_free_query_results);
+ safe_librdf_free_query_results);
if (!pResults || !librdf_query_results_is_bindings(pResults.get())) {
throw rdf::QueryException(::rtl::OUString::createFromAscii(
"librdf_Repository::querySelect: "
@@ -1311,7 +1377,7 @@
const boost::shared_ptr<librdf_query> pQuery(
librdf_new_query(m_pWorld.get(), s_sparql, NULL,
reinterpret_cast<const unsigned char*> (query.getStr()), NULL),
- librdf_free_query);
+ safe_librdf_free_query);
if (!pQuery) {
throw rdf::QueryException(::rtl::OUString::createFromAscii(
"librdf_Repository::queryConstruct: "
@@ -1319,7 +1385,7 @@
}
const boost::shared_ptr<librdf_query_results> pResults(
librdf_model_query_execute(m_pModel.get(), pQuery.get()),
- librdf_free_query_results);
+ safe_librdf_free_query_results);
if (!pResults || !librdf_query_results_is_graph(pResults.get())) {
throw rdf::QueryException(::rtl::OUString::createFromAscii(
"librdf_Repository::queryConstruct: "
@@ -1327,14 +1393,15 @@
}
const boost::shared_ptr<librdf_stream> pStream(
librdf_query_results_as_stream(pResults.get()),
- librdf_free_stream);
+ safe_librdf_free_stream);
if (!pStream) {
throw rdf::QueryException(::rtl::OUString::createFromAscii(
"librdf_Repository::queryConstruct: "
"librdf_query_results_as_stream failed"), *this);
}
- return new librdf_GraphResult(this, m_aMutex, pStream, pQuery);
+ return new librdf_GraphResult(this, m_aMutex, pStream,
+ ::boost::shared_ptr<librdf_node>(), pQuery);
}
::sal_Bool SAL_CALL
@@ -1348,7 +1415,7 @@
const boost::shared_ptr<librdf_query> pQuery(
librdf_new_query(m_pWorld.get(), s_sparql, NULL,
reinterpret_cast<const unsigned char*> (query.getStr()), NULL),
- librdf_free_query);
+ safe_librdf_free_query);
if (!pQuery) {
throw rdf::QueryException(::rtl::OUString::createFromAscii(
"librdf_Repository::queryAsk: "
@@ -1356,7 +1423,7 @@
}
const boost::shared_ptr<librdf_query_results> pResults(
librdf_model_query_execute(m_pModel.get(), pQuery.get()),
- librdf_free_query_results);
+ safe_librdf_free_query_results);
if (!pResults || !librdf_query_results_is_boolean(pResults.get())) {
throw rdf::QueryException(::rtl::OUString::createFromAscii(
"librdf_Repository::queryAsk: "
@@ -1611,19 +1678,20 @@
isMetadatableWithoutMetadata(i_xObject))
{
return new librdf_GraphResult(this, m_aMutex,
- ::boost::shared_ptr<librdf_stream>());
+ ::boost::shared_ptr<librdf_stream>(),
+ ::boost::shared_ptr<librdf_node>());
}
::osl::MutexGuard g(m_aMutex);
const boost::shared_ptr<librdf_statement> pStatement(
m_TypeConverter.mkStatement(m_pWorld.get(),
i_xSubject, i_xPredicate, i_xObject),
- librdf_free_statement);
+ safe_librdf_free_statement);
OSL_ENSURE(pStatement, "mkStatement failed");
const boost::shared_ptr<librdf_stream> pStream(
librdf_model_find_statements(m_pModel.get(), pStatement.get()),
- librdf_free_stream);
+ safe_librdf_free_stream);
if (!pStream) {
throw rdf::RepositoryException(::rtl::OUString::createFromAscii(
"librdf_Repository::getStatementsRDFa: "
@@ -1637,7 +1705,8 @@
"librdf_stream_add_map failed"), *this);
}
- return new librdf_GraphResult(this, m_aMutex, pStream);
+ return new librdf_GraphResult(this, m_aMutex, pStream,
+ ::boost::shared_ptr<librdf_node>());
}
// ::com::sun::star::lang::XInitialization:
@@ -1649,11 +1718,11 @@
::osl::MutexGuard g(m_aMutex);
-// m_pWorld.reset(m_TypeConverter.createWorld(), librdf_free_world);
+// m_pWorld.reset(m_TypeConverter.createWorld(), safe_librdf_free_world);
m_pStorage.reset(m_TypeConverter.createStorage(m_pWorld.get()),
- librdf_free_storage);
+ safe_librdf_free_storage);
m_pModel.reset(m_TypeConverter.createModel(
- m_pWorld.get(), m_pStorage.get()), librdf_free_model);
+ m_pWorld.get(), m_pStorage.get()), safe_librdf_free_model);
}
const NamedGraphMap_t::iterator SAL_CALL librdf_Repository::clearGraph(
@@ -1680,7 +1749,7 @@
const boost::shared_ptr<librdf_node> pContext(
librdf_new_node_from_uri_string(m_pWorld.get(),
reinterpret_cast<const unsigned char*> (context.getStr())),
- librdf_free_node);
+ safe_librdf_free_node);
if (!pContext) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::clearGraph: "
@@ -1731,7 +1800,7 @@
const boost::shared_ptr<librdf_node> pContext(
librdf_new_node_from_uri_string(m_pWorld.get(),
reinterpret_cast<const unsigned char*> (context.getStr())),
- librdf_free_node);
+ safe_librdf_free_node);
if (!pContext) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::addStatement: "
@@ -1740,8 +1809,21 @@
const boost::shared_ptr<librdf_statement> pStatement(
m_TypeConverter.mkStatement(m_pWorld.get(),
i_xSubject, i_xPredicate, i_xObject),
- librdf_free_statement);
+ safe_librdf_free_statement);
OSL_ENSURE(pStatement, "mkStatement failed");
+
+ //Test for duplicate statement
+ //librdf_model_add_statement disallows duplicates while
+ //librdf_model_context_add_statement allows duplicates
+ {
+ const boost::shared_ptr<librdf_stream> pStream(
+ librdf_model_find_statements_in_context(m_pModel.get(),
+ pStatement.get(), pContext.get()),
+ safe_librdf_free_stream);
+ if (pStream && !librdf_stream_end(pStream.get()))
+ return;
+ }
+
if (librdf_model_context_add_statement(m_pModel.get(),
pContext.get(), pStatement.get())) {
throw rdf::RepositoryException(::rtl::OUString::createFromAscii(
@@ -1779,7 +1861,7 @@
const boost::shared_ptr<librdf_node> pContext(
librdf_new_node_from_uri_string(m_pWorld.get(),
reinterpret_cast<const unsigned char*> (context.getStr())),
- librdf_free_node);
+ safe_librdf_free_node);
if (!pContext) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::removeStatements: "
@@ -1788,13 +1870,13 @@
const boost::shared_ptr<librdf_statement> pStatement(
m_TypeConverter.mkStatement(m_pWorld.get(),
i_xSubject, i_xPredicate, i_xObject),
- librdf_free_statement);
+ safe_librdf_free_statement);
OSL_ENSURE(pStatement, "mkStatement failed");
const boost::shared_ptr<librdf_stream> pStream(
librdf_model_find_statements_in_context(m_pModel.get(),
pStatement.get(), pContext.get()),
- librdf_free_stream);
+ safe_librdf_free_stream);
if (!pStream) {
throw rdf::RepositoryException(::rtl::OUString::createFromAscii(
"librdf_Repository::removeStatements: "
@@ -1838,7 +1920,8 @@
isMetadatableWithoutMetadata(i_xObject))
{
return new librdf_GraphResult(this, m_aMutex,
- ::boost::shared_ptr<librdf_stream>());
+ ::boost::shared_ptr<librdf_stream>(),
+ ::boost::shared_ptr<librdf_node>());
}
::osl::MutexGuard g(m_aMutex);
@@ -1855,7 +1938,7 @@
const boost::shared_ptr<librdf_node> pContext(
librdf_new_node_from_uri_string(m_pWorld.get(),
reinterpret_cast<const unsigned char*> (context.getStr())),
- librdf_free_node);
+ safe_librdf_free_node);
if (!pContext) {
throw uno::RuntimeException(::rtl::OUString::createFromAscii(
"librdf_Repository::getStatements: "
@@ -1864,20 +1947,20 @@
const boost::shared_ptr<librdf_statement> pStatement(
m_TypeConverter.mkStatement(m_pWorld.get(),
i_xSubject, i_xPredicate, i_xObject),
- librdf_free_statement);
+ safe_librdf_free_statement);
OSL_ENSURE(pStatement, "mkStatement failed");
const boost::shared_ptr<librdf_stream> pStream(
librdf_model_find_statements_in_context(m_pModel.get(),
pStatement.get(), pContext.get()),
- librdf_free_stream);
+ safe_librdf_free_stream);
if (!pStream) {
throw rdf::RepositoryException(::rtl::OUString::createFromAscii(
"librdf_Repository::getStatements: "
"librdf_model_find_statements_in_context failed"), *this);
}
- return new librdf_GraphResult(this, m_aMutex, pStream);
+ return new librdf_GraphResult(this, m_aMutex, pStream, pContext);
}
librdf_world *librdf_TypeConverter::createWorld() const
@@ -1929,8 +2012,8 @@
prtNode(contexts);
std::cout << std::endl;
// librdf_model_set_feature(repository, LIBRDF_FEATURE_CONTEXTS, ...);
- librdf_free_node(contexts);
- librdf_free_uri(ctxt);
+ safe_librdf_free_node(contexts);
+ safe_librdf_free_uri(ctxt);
}
#endif
return pRepository;
@@ -2015,7 +2098,7 @@
NULL, 0);
} else {
const boost::shared_ptr<librdf_uri> pDatatype(
- mkURI(i_pWorld, xType), librdf_free_uri);
+ mkURI(i_pWorld, xType), safe_librdf_free_uri);
ret = librdf_new_node_from_typed_literal(i_pWorld,
reinterpret_cast<const unsigned char*> (val.getStr()),
NULL, pDatatype.get());
@@ -2054,11 +2137,11 @@
try {
pObject = mkNode(i_pWorld, i_xObject);
} catch (...) {
- librdf_free_node(pPredicate);
+ safe_librdf_free_node(pPredicate);
throw;
}
} catch (...) {
- librdf_free_node(pSubject);
+ safe_librdf_free_node(pSubject);
throw;
}
// NB: this takes ownership of the nodes! (which is really ugly)
distrib
>
Fedora
>
13
>
i386
>
media
>
updates-src
>
by-pkgid
>
cd8ce32c919af60229fca1d7f792c60e
>
files
>
50
