foreach ( QString key, providersList )
{
QLibrary *library = QgsProviderRegistry::instance()->providerLibrary( key );
if ( !library )
continue;
dataCapabilities_t * dataCapabilities = ( dataCapabilities_t * ) cast_to_fptr( library->resolve( "dataCapabilities" ) );
if ( !dataCapabilities )
{
QgsDebugMsg( library->fileName() + " does not have dataCapabilities" );
continue;
}
int capabilities = dataCapabilities();
if ( capabilities == QgsDataProvider::NoDataCapabilities )
{
QgsDebugMsg( library->fileName() + " does not have any dataCapabilities" );
continue;
}
dataItem_t *dataItem = ( dataItem_t * ) cast_to_fptr( library->resolve( "dataItem" ) );
if ( !dataItem )
{
QgsDebugMsg( library->fileName() + " does not have dataItem" );
continue;
}
QgsDataItem *item = dataItem( "", NULL ); // empty path -> top level
if ( item )
{
QgsDebugMsg( "Add new top level item : " + item->name() );
connectItem( item );
providerMap.insertMulti( capabilities, item );
}
}
int QgsProviderRegistry::providerCapabilities( const QString &providerKey ) const
{
std::unique_ptr< QLibrary > library( createProviderLibrary( providerKey ) );
if ( !library )
{
return QgsDataProvider::NoDataCapabilities;
}
dataCapabilities_t *dataCapabilities = reinterpret_cast< dataCapabilities_t *>( cast_to_fptr( library->resolve( "dataCapabilities" ) ) );
if ( !dataCapabilities )
{
return QgsDataProvider::NoDataCapabilities;
}
return dataCapabilities();
}
int QgsProviderRegistry::providerCapabilities( const QString &providerKey ) const
{
QLibrary *library = providerLibrary( providerKey );
if ( !library )
{
return QgsDataProvider::NoDataCapabilities;
}
dataCapabilities_t * dataCapabilities = ( dataCapabilities_t * ) cast_to_fptr( library->resolve( "dataCapabilities" ) );
if ( !dataCapabilities )
{
return QgsDataProvider::NoDataCapabilities;
}
return dataCapabilities();
}
