OGRDataSourceH OGR_Dr_CreateDataSource( OGRSFDriverH hDriver, const char *pszName, char ** papszOptions ) { VALIDATE_POINTER1( hDriver, "OGR_Dr_CreateDataSource", NULL ); OGRSFDriver* poDriver = (OGRSFDriver *) hDriver; CPLAssert( NULL != poDriver ); OGRDataSource* poDS = NULL; poDS = poDriver->CreateDataSource( pszName, papszOptions ); /* This fix is explained in Ticket #1223 */ if( NULL != poDS ) { poDS->SetDriver( poDriver ); CPLAssert( NULL != poDS->GetDriver() ); } else { CPLDebug( "OGR", "CreateDataSource operation failed. NULL pointer returned." ); } return (OGRDataSourceH) poDS; }
OGRDataSourceH OGR_Dr_Open( OGRSFDriverH hDriver, const char *pszName, int bUpdate ) { VALIDATE_POINTER1( hDriver, "OGR_Dr_Open", NULL ); OGRDataSource *poDS = ((OGRSFDriver *)hDriver)->Open( pszName, bUpdate ); if( poDS != NULL && poDS->GetDriver() == NULL ) poDS->SetDriver( (OGRSFDriver *)hDriver ); return (OGRDataSourceH) poDS; }
OGRDataSource *OGRSFDriver::CopyDataSource( OGRDataSource *poSrcDS, const char *pszNewName, char **papszOptions ) { if( !TestCapability( ODrCCreateDataSource ) ) { CPLError( CE_Failure, CPLE_NotSupported, "%s driver does not support data source creation.", GetName() ); return NULL; } OGRDataSource *poODS; poODS = CreateDataSource( pszNewName, papszOptions ); if( poODS == NULL ) return NULL; /* -------------------------------------------------------------------- */ /* Process each data source layer. */ /* -------------------------------------------------------------------- */ for( int iLayer = 0; iLayer < poSrcDS->GetLayerCount(); iLayer++ ) { OGRLayer *poLayer = poSrcDS->GetLayer(iLayer); if( poLayer == NULL ) continue; poODS->CopyLayer( poLayer, poLayer->GetLayerDefn()->GetName(), papszOptions ); } /* Make sure that the driver is attached to the created datasource */ /* It is also done in OGR_Dr_CopyDataSource() C method, in case */ /* another C++ implementation forgets to do it. Currently (Nov 2011), */ /* this implementation is the only one in the OGR source tree */ if( poODS != NULL && poODS->GetDriver() == NULL ) poODS->SetDriver( this ); return poODS; }
OGRDataSourceH OGR_Dr_CopyDataSource( OGRSFDriverH hDriver, OGRDataSourceH hSrcDS, const char *pszNewName, char **papszOptions ) { VALIDATE_POINTER1( hDriver, "OGR_Dr_CopyDataSource", NULL ); VALIDATE_POINTER1( hSrcDS, "OGR_Dr_CopyDataSource", NULL ); VALIDATE_POINTER1( pszNewName, "OGR_Dr_CopyDataSource", NULL ); OGRDataSource* poDS = ((OGRSFDriver *) hDriver)->CopyDataSource( (OGRDataSource *) hSrcDS, pszNewName, papszOptions ); /* Make sure that the driver is attached to the created datasource */ /* if not already done by the implementation of the CopyDataSource() */ /* method */ if( poDS != NULL && poDS->GetDriver() == NULL ) poDS->SetDriver( (OGRSFDriver *)hDriver ); return (OGRDataSourceH)poDS; }