/**
* rasqal_new_service_rowsource:
* @world: world object
* @query: query object
* @service_uri: service URI
* @query_string: query to send to service
* @data_graphs: sequence of data graphs (or NULL)
* @rs_flags: service rowsource flags
*
* INTERNAL - create a new rowsource that takes rows from a service
*
* All arguments are copied.
*
* Return value: new rowsource or NULL on failure
*/
rasqal_rowsource*
rasqal_new_service_rowsource(rasqal_world *world, rasqal_query* query,
raptor_uri* service_uri,
const unsigned char* query_string,
raptor_sequence* data_graphs,
unsigned int rs_flags)
{
rasqal_service_rowsource_context* con = NULL;
rasqal_service* svc = NULL;
int flags = 0;
int silent = (rs_flags & RASQAL_ENGINE_BITFLAG_SILENT);
if(!world || !query_string)
goto fail;
svc = rasqal_new_service(query->world, service_uri, query_string,
data_graphs);
if(!svc) {
if(!silent)
goto fail;
/* Silent errors so tidy up and return empty rowsource */
RASQAL_FREE(cstring, query_string);
if(data_graphs)
raptor_free_sequence(data_graphs);
return rasqal_new_empty_rowsource(world, query);
}
con = RASQAL_CALLOC(rasqal_service_rowsource_context*, 1, sizeof(*con));
if(!con)
goto fail;
con->svc = svc;
con->query = query;
con->flags = rs_flags;
return rasqal_new_rowsource_from_handler(world, query,
con,
&rasqal_service_rowsource_handler,
query->vars_table,
flags);
fail:
if(svc)
rasqal_free_service(svc);
if(con)
RASQAL_FREE(rasqal_service_rowsource_context, con);
if(query_string)
RASQAL_FREE(cstring, query_string);
if(data_graphs)
raptor_free_sequence(data_graphs);
return NULL;
}
static void
rasqal_free_groupby_tree_node(rasqal_groupby_tree_node* node)
{
if(!node)
return;
if(node->literals)
raptor_free_sequence(node->literals);
if(node->rows)
raptor_free_sequence(node->rows);
RASQAL_FREE(rasqal_groupby_tree_node, node);
}
/*
* rasqal_free_solution_modifier:
* @sm: #rasqal_solution_modifier object
*
* INTERNAL - Free a solution modifier object.
*
**/
void
rasqal_free_solution_modifier(rasqal_solution_modifier* sm)
{
if(!sm)
return;
if(sm->order_conditions)
raptor_free_sequence(sm->order_conditions);
if(sm->group_conditions)
raptor_free_sequence(sm->group_conditions);
RASQAL_FREE(rasqal_solution_modifier, sm);
}
static int
rasqal_aggregation_rowsource_finish(rasqal_rowsource* rowsource,
void *user_data)
{
rasqal_aggregation_rowsource_context* con;
con = (rasqal_aggregation_rowsource_context*)user_data;
if(con->expr_data) {
int i;
for(i = 0; i < con->expr_count; i++) {
rasqal_agg_expr_data* expr_data = &con->expr_data[i];
if(expr_data->agg_user_data)
rasqal_builtin_agg_expression_execute_finish(expr_data->agg_user_data);
if(expr_data->exprs_seq)
raptor_free_sequence(expr_data->exprs_seq);
if(expr_data->expr)
rasqal_free_expression(expr_data->expr);
if(expr_data->map)
rasqal_free_map(expr_data->map);
}
RASQAL_FREE(rasqal_agg_expr_data, con->expr_data);
}
if(con->exprs_seq)
raptor_free_sequence(con->exprs_seq);
if(con->vars_seq)
raptor_free_sequence(con->vars_seq);
if(con->rowsource)
rasqal_free_rowsource(con->rowsource);
if(con->saved_row)
rasqal_free_row(con->saved_row);
if(con->input_values)
raptor_free_sequence(con->input_values);
RASQAL_FREE(rasqal_aggregation_rowsource_context, con);
return 0;
}
/**
* rasqal_query_results_execute_and_store_results:
* @query_results: query results object
*
* INTERNAL - Store all query result (rows) immediately
*
* Return value: non-0 on failure
*/
static int
rasqal_query_results_execute_and_store_results(rasqal_query_results* query_results)
{
rasqal_query* query;
raptor_sequence* seq = NULL;
query = query_results->query;
if(query_results->results_sequence)
raptor_free_sequence(query_results->results_sequence);
if(query_results->execution_factory->get_all_rows) {
rasqal_engine_error execution_error = RASQAL_ENGINE_OK;
seq = query_results->execution_factory->get_all_rows(query_results->execution_data, &execution_error);
if(execution_error == RASQAL_ENGINE_FAILED)
query_results->failed = 1;
}
query_results->results_sequence = seq;
if(!seq) {
query_results->finished = 1;
} else
rasqal_query_results_rewind(query_results);
return query_results->failed;
}
static rasqal_expression*
make_test_expr(rasqal_world* world,
raptor_sequence* expr_vars_seq,
rasqal_op op)
{
if(op == RASQAL_EXPR_MAX ||
op == RASQAL_EXPR_MIN ||
op == RASQAL_EXPR_SUM ||
op == RASQAL_EXPR_AVG ||
op == RASQAL_EXPR_SAMPLE) {
rasqal_expression* arg1;
arg1 = raptor_sequence_delete_at(expr_vars_seq, 0);
raptor_free_sequence(expr_vars_seq);
return rasqal_new_aggregate_function_expression(world, op,
arg1,
/* params */ NULL,
/* flags */ 0);
}
if(op == RASQAL_EXPR_GROUP_CONCAT) {
return rasqal_new_group_concat_expression(world,
/* flags */ 0,
expr_vars_seq,
/* separator */ NULL);
}
return NULL;
}
static int
rasqal_rowsequence_rowsource_finish(rasqal_rowsource* rowsource,
void *user_data)
{
rasqal_rowsequence_rowsource_context* con;
con = (rasqal_rowsequence_rowsource_context*)user_data;
if(con->seq)
raptor_free_sequence(con->seq);
if(con->vars_seq)
raptor_free_sequence(con->vars_seq);
RASQAL_FREE(rasqal_rowsequence_rowsource_context, con);
return 0;
}
/**
* raptor_free_xml_element:
* @element: XML Element
*
* Destructor - destroy a raptor_xml_element object.
**/
void
raptor_free_xml_element(raptor_xml_element *element)
{
unsigned int i;
if(!element)
return;
for(i = 0; i < element->attribute_count; i++)
if(element->attributes[i])
raptor_free_qname(element->attributes[i]);
if(element->attributes)
RAPTOR_FREE(raptor_qname_array, element->attributes);
if(element->content_cdata_sb)
raptor_free_stringbuffer(element->content_cdata_sb);
if(element->base_uri)
raptor_free_uri(element->base_uri);
if(element->xml_language)
RAPTOR_FREE(char*, element->xml_language);
raptor_free_qname(element->name);
if(element->declared_nspaces)
raptor_free_sequence(element->declared_nspaces);
RAPTOR_FREE(raptor_element, element);
}
/*
* raptor_serializers_finish - delete all the registered serializers
*/
void
raptor_serializers_finish(raptor_world* world)
{
if(world->serializers) {
raptor_free_sequence(world->serializers);
world->serializers = NULL;
}
}
void
rasqal_finish_result_formats(rasqal_world* world)
{
if(world->query_results_formats) {
raptor_free_sequence(world->query_results_formats);
world->query_results_formats = NULL;
}
}
/*
* rasqal_delete_query_language_factories - helper function to delete all the registered query language factories
*/
static void
rasqal_delete_query_language_factories(rasqal_world *world)
{
if(world->query_languages) {
raptor_free_sequence(world->query_languages);
world->query_languages = NULL;
}
}
/*
* rasqal_free_update_operation:
* @update: update operation
*
* INTERNAL - Destructor - Free update operation
*
*/
void
rasqal_free_update_operation(rasqal_update_operation *update)
{
if(!update)
return;
if(update->graph_uri)
raptor_free_uri(update->graph_uri);
if(update->document_uri)
raptor_free_uri(update->document_uri);
if(update->insert_templates)
raptor_free_sequence(update->insert_templates);
if(update->delete_templates)
raptor_free_sequence(update->delete_templates);
if(update->where)
rasqal_free_graph_pattern(update->where);
RASQAL_FREE(update_operation, update);
}
static void
raptor_free_avltree(raptor_avltree* tree)
{
if(!tree)
return;
if(tree->seq)
raptor_free_sequence(tree->seq);
RASQAL_FREE(avltree, tree);
}
/**
* rasqal_free_rowsource:
* @rowsource: rowsource object
*
* INTERNAL - Destructor - destroy an rowsource.
**/
void
rasqal_free_rowsource(rasqal_rowsource *rowsource)
{
if(!rowsource)
return;
if(rowsource->handler->finish)
rowsource->handler->finish(rowsource, rowsource->user_data);
if(rowsource->vars_table)
rasqal_free_variables_table(rowsource->vars_table);
if(rowsource->variables_sequence)
raptor_free_sequence(rowsource->variables_sequence);
if(rowsource->rows_sequence)
raptor_free_sequence(rowsource->rows_sequence);
RASQAL_FREE(rasqal_rowsource, rowsource);
}
/**
* librdf_finish_serializer:
* @world: redland world object
*
* INTERNAL - Terminate the serializer module.
*
**/
void
librdf_finish_serializer(librdf_world *world)
{
if(world->serializers) {
raptor_free_sequence(world->serializers);
world->serializers=NULL;
}
#ifdef HAVE_RAPTOR_RDF_SERIALIZER
librdf_serializer_raptor_destructor();
#endif
}
/*
* rasqal_free_projection:
* @projection: #rasqal_projection object
*
* INTERNAL - Free a projection object.
*
**/
void
rasqal_free_projection(rasqal_projection* projection)
{
if(!projection)
return;
if(projection->variables)
raptor_free_sequence(projection->variables);
RASQAL_FREE(rasqal_projection, projection);
}
/**
* librdf_parser_raptor_terminate:
* @context: context
*
* Terminate the raptor RDF parser.
*
**/
static void
librdf_parser_raptor_terminate(void *context)
{
librdf_parser_raptor_context* pcontext=(librdf_parser_raptor_context*)context;
librdf_raptor_free_bnode_hash(pcontext->parser->world);
if(pcontext->stream_context)
librdf_parser_raptor_serialise_finished(pcontext->stream_context);
if(pcontext->www)
raptor_free_www(pcontext->www);
if(pcontext->rdf_parser)
raptor_free_parser(pcontext->rdf_parser);
if(pcontext->nspace_prefixes)
raptor_free_sequence(pcontext->nspace_prefixes);
if(pcontext->nspace_uris)
raptor_free_sequence(pcontext->nspace_uris);
}
void
rasqal_free_formula(rasqal_formula* formula)
{
if(!formula)
return;
if(formula->triples)
raptor_free_sequence(formula->triples);
if(formula->value)
rasqal_free_literal(formula->value);
RASQAL_FREE(rasqal_formula, formula);
}
/**
* rasqal_free_variables_table:
* @vt: rasqal variables table
*
* Destructor - destroy a new variables table
*/
void
rasqal_free_variables_table(rasqal_variables_table* vt)
{
if(!vt)
return;
if(--vt->usage)
return;
if(vt->variables)
RASQAL_FREE(vararray, vt->variables);
if(vt->anon_variables_sequence)
raptor_free_sequence(vt->anon_variables_sequence);
if(vt->variables_sequence)
raptor_free_sequence(vt->variables_sequence);
if(vt->variable_names)
RASQAL_FREE(cstrings, vt->variable_names);
RASQAL_FREE(rasqal_variables_table, vt);
}
void
raptor_free_abbrev_subject(raptor_abbrev_subject* subject)
{
RAPTOR_ASSERT_OBJECT_POINTER_RETURN(subject, raptor_abbrev_subject);
if(subject->node)
raptor_free_abbrev_node(subject->node);
if(subject->node_type)
raptor_free_abbrev_node(subject->node_type);
if(subject->properties)
raptor_free_avltree(subject->properties);
if(subject->list_items)
raptor_free_sequence(subject->list_items);
RAPTOR_FREE(raptor_subject, subject);
}
void
raptor_free_rss_item(raptor_rss_item* item)
{
int i;
for(i = 0; i< RAPTOR_RSS_FIELDS_SIZE; i++) {
if(item->fields[i])
raptor_rss_field_free(item->fields[i]);
}
if(item->blocks)
raptor_free_rss_block(item->blocks);
if(item->uri)
raptor_free_uri(item->uri);
if(item->term)
raptor_free_term(item->term);
if(item->triples)
raptor_free_sequence(item->triples);
RAPTOR_FREE(raptor_rss_item, item);
}
/**
* rasqal_free_service:
* @svc: #rasqal_service object
*
* Destructor - destroy a #rasqal_service object.
**/
void
rasqal_free_service(rasqal_service* svc)
{
if(!svc)
return;
if(svc->service_uri)
raptor_free_uri(svc->service_uri);
if(svc->query_string)
RASQAL_FREE(cstring, svc->query_string);
if(svc->data_graphs)
raptor_free_sequence(svc->data_graphs);
rasqal_service_set_www(svc, NULL);
RASQAL_FREE(rasqal_service, svc);
}
/**
* rasqal_free_query_results:
* @query_results: #rasqal_query_results object
*
* Destructor - destroy a rasqal_query_results.
*
**/
void
rasqal_free_query_results(rasqal_query_results* query_results)
{
rasqal_query* query;
if(!query_results)
return;
query = query_results->query;
if(query_results->executed) {
if(query_results->execution_factory->execute_finish) {
rasqal_engine_error execution_error = RASQAL_ENGINE_OK;
query_results->execution_factory->execute_finish(query_results->execution_data, &execution_error);
/* ignoring failure of execute_finish */
}
}
if(query_results->execution_data)
RASQAL_FREE(rasqal_engine_execution_data, query_results->execution_data);
if(query_results->row)
rasqal_free_row(query_results->row);
if(query_results->results_sequence)
raptor_free_sequence(query_results->results_sequence);
/* free terms owned by static query_results->result_triple */
raptor_free_statement(&query_results->result_triple);
if(query_results->triple)
rasqal_free_triple(query_results->triple);
if(query_results->vars_table)
rasqal_free_variables_table(query_results->vars_table);
if(query)
rasqal_query_remove_query_result(query, query_results);
RASQAL_FREE(rasqal_query_results, query_results);
}
rasqal_rowsource*
rasqal_new_groupby_rowsource(rasqal_world *world, rasqal_query* query,
rasqal_rowsource* rowsource,
raptor_sequence* expr_seq)
{
rasqal_groupby_rowsource_context* con;
int flags = 0;
if(!world || !query)
return NULL;
con = (rasqal_groupby_rowsource_context*)RASQAL_CALLOC(rasqal_groupby_rowsource_context, 1, sizeof(*con));
if(!con)
goto fail;
con->rowsource = rowsource;
con->expr_seq_size = 0;
if(expr_seq) {
con->expr_seq = rasqal_expression_copy_expression_sequence(expr_seq);
if(!con->expr_seq)
goto fail;
con->expr_seq_size = raptor_sequence_size(expr_seq);
}
return rasqal_new_rowsource_from_handler(world, query,
con,
&rasqal_groupby_rowsource_handler,
query->vars_table,
flags);
fail:
if(rowsource)
rasqal_free_rowsource(rowsource);
if(expr_seq)
raptor_free_sequence(expr_seq);
return NULL;
}
void
raptor_free_abbrev_subject(raptor_abbrev_subject* subject)
{
if(subject) {
if(subject->node)
raptor_free_abbrev_node(subject->node);
if(subject->node_type)
raptor_free_abbrev_node(subject->node_type);
if(subject->properties)
raptor_free_avltree(subject->properties);
if(subject->list_items)
raptor_free_sequence(subject->list_items);
RAPTOR_FREE(raptor_subject, subject);
}
}
void
manifest_free_test_result(manifest_test_result* result)
{
int i;
if(!result)
return;
if(result->details)
free(result->details);
if(result->log)
free(result->log);
for(i = 0; i < STATE_LAST; i++) {
if(result->states[i])
raptor_free_sequence(result->states[i]);
}
free(result);
}
static int
rasqal_rowsequence_rowsource_ensure_variables(rasqal_rowsource* rowsource,
void *user_data)
{
rasqal_rowsequence_rowsource_context* con;
int i;
con = (rasqal_rowsequence_rowsource_context*)user_data;
rowsource->size = 0;
for(i = 0; i < raptor_sequence_size(con->vars_seq); i++) {
rasqal_variable* v;
v = (rasqal_variable*)raptor_sequence_get_at(con->vars_seq, i);
rasqal_rowsource_add_variable(rowsource, v);
}
raptor_free_sequence(con->vars_seq);
con->vars_seq = NULL;
return 0;
}
static int
rasqal_groupby_rowsource_finish(rasqal_rowsource* rowsource, void *user_data)
{
rasqal_groupby_rowsource_context* con;
con = (rasqal_groupby_rowsource_context*)user_data;
if(con->rowsource)
rasqal_free_rowsource(con->rowsource);
if(con->expr_seq)
raptor_free_sequence(con->expr_seq);
if(con->tree)
raptor_free_avltree(con->tree);
if(con->group_iterator)
raptor_free_avltree_iterator(con->group_iterator);
RASQAL_FREE(rasqal_groupby_rowsource_context, con);
return 0;
}
static int
rasqal_rowsource_sparql_xml_finish(rasqal_rowsource* rowsource, void *user_data)
{
rasqal_rowsource_sparql_xml_context* con;
con=(rasqal_rowsource_sparql_xml_context*)user_data;
if(con->base_uri)
raptor_free_uri(con->base_uri);
if(con->sax2)
raptor_free_sax2(con->sax2);
if(con->results_sequence)
raptor_free_sequence(con->results_sequence);
if(con->vars_table)
rasqal_free_variables_table(con->vars_table);
RASQAL_FREE(rasqal_rowsource_sparql_xml_context, con);
return 0;
}
void
slv2_values_free(SLV2Values list)
{
if (list)
raptor_free_sequence(list);
}
