static void
print_boolean_result_simple(rasqal_query_results *results,
FILE* output, int quiet)
{
fprintf(stderr, "%s: Query has a boolean result: %s\n", program,
rasqal_query_results_get_boolean(results) ? "true" : "false");
}
static int
librdf_query_rasqal_results_get_boolean(librdf_query_results* query_results)
{
librdf_query *query=query_results->query;
librdf_query_rasqal_context *context=(librdf_query_rasqal_context*)query->context;
if(!context->results)
return -1;
return rasqal_query_results_get_boolean(context->results);
}
/*
* rasqal_query_results_write_json1:
* @iostr: #raptor_iostream to write the query to
* @results: #rasqal_query_results query results format
* @base_uri: #raptor_uri base URI of the output format
*
* Write a JSON version of the query results format to an
* iostream in a format - INTERNAL.
*
* If the writing succeeds, the query results will be exhausted.
*
* Return value: non-0 on failure
**/
static int
rasqal_query_results_write_json1(rasqal_query_results_formatter* formatter,
raptor_iostream *iostr,
rasqal_query_results* results,
raptor_uri *base_uri)
{
rasqal_world* world = rasqal_query_results_get_world(results);
rasqal_query* query = rasqal_query_results_get_query(results);
int i;
int row_comma;
int column_comma = 0;
rasqal_query_results_type type;
type = rasqal_query_results_get_type(results);
if(type != RASQAL_QUERY_RESULTS_BINDINGS &&
type != RASQAL_QUERY_RESULTS_BOOLEAN) {
rasqal_log_error_simple(query->world, RAPTOR_LOG_LEVEL_ERROR,
&query->locator,
"Cannot write JSON for %s query result format",
rasqal_query_results_type_label(type));
return 1;
}
raptor_iostream_counted_string_write("{\n", 2, iostr);
/* Header */
raptor_iostream_counted_string_write(" \"head\": {\n", 12, iostr);
if(rasqal_query_results_is_bindings(results)) {
raptor_iostream_counted_string_write(" \"vars\": [ ", 14, iostr);
for(i = 0; 1; i++) {
const unsigned char *name;
name = rasqal_query_results_get_binding_name(results, i);
if(!name)
break;
/* 'x', */
if(i > 0)
raptor_iostream_counted_string_write(", ", 2, iostr);
raptor_iostream_write_byte('\"', iostr);
raptor_iostream_string_write(name, iostr);
raptor_iostream_write_byte('\"', iostr);
}
raptor_iostream_counted_string_write(" ]\n", 3, iostr);
}
/* FIXME - could add link inside 'head': */
/* End Header */
raptor_iostream_counted_string_write(" },\n", 5, iostr);
/* Boolean Results */
if(rasqal_query_results_is_boolean(results)) {
raptor_iostream_counted_string_write(" ", 2, iostr);
rasqal_iostream_write_json_boolean(iostr, "boolean",
rasqal_query_results_get_boolean(results));
goto results3done;
}
/* Variable Binding Results */
raptor_iostream_counted_string_write(" \"results\": {\n", 15, iostr);
if(query) {
raptor_iostream_counted_string_write(" ", 4, iostr);
rasqal_iostream_write_json_boolean(iostr, "ordered",
(rasqal_query_get_order_condition(query, 0) != NULL));
raptor_iostream_counted_string_write(",\n", 2, iostr);
raptor_iostream_counted_string_write(" ", 4, iostr);
rasqal_iostream_write_json_boolean(iostr, "distinct",
rasqal_query_get_distinct(query));
raptor_iostream_counted_string_write(",\n", 2, iostr);
}
raptor_iostream_counted_string_write(" \"bindings\" : [\n", 19, iostr);
row_comma = 0;
while(!rasqal_query_results_finished(results)) {
if(row_comma)
raptor_iostream_counted_string_write(",\n", 2, iostr);
/* Result row */
raptor_iostream_counted_string_write(" {\n", 8, iostr);
column_comma = 0;
for(i = 0; i<rasqal_query_results_get_bindings_count(results); i++) {
const unsigned char *name = rasqal_query_results_get_binding_name(results, i);
rasqal_literal *l = rasqal_query_results_get_binding_value(results, i);
if(column_comma)
raptor_iostream_counted_string_write(",\n", 2, iostr);
/* <binding> */
raptor_iostream_counted_string_write(" \"", 9, iostr);
raptor_iostream_string_write(name, iostr);
raptor_iostream_counted_string_write("\" : { ", 6, iostr);
if(!l) {
raptor_iostream_string_write("\"type\": \"unbound\", \"value\": null", iostr);
} else {
const unsigned char* str;
size_t len;
switch(l->type) {
case RASQAL_LITERAL_URI:
raptor_iostream_string_write("\"type\": \"uri\", \"value\": \"", iostr);
str = RASQAL_GOOD_CAST(const unsigned char*, raptor_uri_as_counted_string(l->value.uri, &len));
raptor_string_ntriples_write(str, len, '"', iostr);
raptor_iostream_write_byte('"', iostr);
break;
case RASQAL_LITERAL_BLANK:
raptor_iostream_string_write("\"type\": \"bnode\", \"value\": \"", iostr);
raptor_string_ntriples_write(l->string, l->string_len, '"', iostr);
raptor_iostream_write_byte('"', iostr);
break;
case RASQAL_LITERAL_STRING:
raptor_iostream_string_write("\"type\": \"literal\", \"value\": \"", iostr);
raptor_string_ntriples_write(l->string, l->string_len, '"', iostr);
raptor_iostream_write_byte('"', iostr);
if(l->language) {
raptor_iostream_string_write(",\n \"xml:lang\" : \"", iostr);
raptor_iostream_string_write(RASQAL_GOOD_CAST(const unsigned char*, l->language), iostr);
raptor_iostream_write_byte('"', iostr);
}
if(l->datatype) {
raptor_iostream_string_write(",\n \"datatype\" : \"", iostr);
str = RASQAL_GOOD_CAST(const unsigned char*, raptor_uri_as_counted_string(l->datatype, &len));
raptor_string_ntriples_write(str, len, '"', iostr);
raptor_iostream_write_byte('"', iostr);
}
break;
case RASQAL_LITERAL_PATTERN:
case RASQAL_LITERAL_QNAME:
case RASQAL_LITERAL_INTEGER:
case RASQAL_LITERAL_XSD_STRING:
case RASQAL_LITERAL_BOOLEAN:
case RASQAL_LITERAL_DOUBLE:
case RASQAL_LITERAL_FLOAT:
case RASQAL_LITERAL_VARIABLE:
case RASQAL_LITERAL_DECIMAL:
case RASQAL_LITERAL_DATE:
case RASQAL_LITERAL_DATETIME:
case RASQAL_LITERAL_UDT:
case RASQAL_LITERAL_INTEGER_SUBTYPE:
case RASQAL_LITERAL_UNKNOWN:
default:
rasqal_log_error_simple(world, RAPTOR_LOG_LEVEL_ERROR, NULL,
"Cannot turn literal type %u into XML",
l->type);
}
}
/* End Binding */
raptor_iostream_counted_string_write(" }", 2, iostr);
column_comma = 1;
}
int
main(int argc, char *argv[])
{
rasqal_world *world;
raptor_world* raptor_world_ptr = NULL;
int rc = 0;
int usage = 0;
int help = 0;
const char* query_language = DEFAULT_QUERY_LANGUAGE;
const char* query_filename = NULL;
const char* data_format_name = NULL;
const char* result_filename = NULL;
const char* result_format_name = NULL;
unsigned char* query_string = NULL;
size_t query_len = 0;
unsigned char *query_base_uri_string = NULL;
int free_query_base_uri_string = 0;
raptor_uri* query_base_uri = NULL;
rasqal_query* rq = NULL;
rasqal_query_results* results = NULL;
rasqal_query_results* expected_results = NULL;
raptor_sequence* data_graphs = NULL;
raptor_iostream* result_iostr = NULL;
rasqal_dataset* ds = NULL;
rasqal_query_results_type results_type;
/* Set globals */
if(1) {
char *p;
program = argv[0];
if((p = strrchr(program, '/')))
program = p + 1;
else if((p = strrchr(program, '\\')))
program = p + 1;
argv[0] = program;
}
world = rasqal_new_world();
if(!world || rasqal_world_open(world)) {
fprintf(stderr, "%s: rasqal_world init failed\n", program);
return(1);
}
raptor_world_ptr = rasqal_world_get_raptor(world);
rasqal_world_set_log_handler(world, world, check_query_log_handler);
/* Option parsing */
while (!usage && !help)
{
int c;
#ifdef HAVE_GETOPT_LONG
int option_index = 0;
c = getopt_long (argc, argv, GETOPT_STRING, long_options, &option_index);
#else
c = getopt (argc, argv, GETOPT_STRING);
#endif
if (c == -1)
break;
switch (c) {
case 0:
case '?': /* getopt() - unknown option */
usage = 1;
break;
case 'd':
verbose++;
break;
case 'F':
if(optarg) {
data_format_name = optarg;
}
break;
case 'h':
help = 1;
break;
case 'l':
if(optarg) {
query_language = optarg;
}
break;
case 'q':
if(optarg) {
query_filename = optarg;
}
break;
case 'Q':
if(optarg) {
query_base_uri_string = (unsigned char*)optarg;
}
break;
case 'r':
if(optarg) {
result_filename = optarg;
}
break;
case 'R':
if(optarg) {
result_format_name = optarg;
}
break;
case 'v':
fputs(rasqal_version_string, stdout);
fputc('\n', stdout);
rasqal_free_world(world);
exit(0);
case 'g':
case 'n':
if(optarg) {
rasqal_data_graph *dg = NULL;
rasqal_data_graph_flags type;
type = (c == 'n') ? RASQAL_DATA_GRAPH_NAMED :
RASQAL_DATA_GRAPH_BACKGROUND;
dg = rasqal_cmdline_read_data_graph(world, type, (const char*)optarg,
data_format_name);
if(!dg) {
fprintf(stderr, "%s: Failed to create data graph for `%s'\n",
program, optarg);
return(1);
}
if(!data_graphs) {
data_graphs = raptor_new_sequence((raptor_data_free_handler)rasqal_free_data_graph,
NULL);
if(!data_graphs) {
fprintf(stderr, "%s: Failed to create data graphs sequence\n",
program);
return(1);
}
}
raptor_sequence_push(data_graphs, dg);
}
break;
}
} /* end while option */
if(!help && !usage) {
if(optind != argc) {
fprintf(stderr, "%s: Extra arguments.\n", program);
usage = 1;
} else if(!result_filename) {
usage = 2; /* Title and usage */
} else if(!query_filename) {
usage = 2; /* Title and usage */
}
}
if(usage) {
if(usage > 1) {
fprintf(stderr, title_format_string, rasqal_version_string);
fputs("Rasqal home page: ", stderr);
fputs(rasqal_home_url_string, stderr);
fputc('\n', stderr);
fputs(rasqal_copyright_string, stderr);
fputs("\nLicense: ", stderr);
fputs(rasqal_license_string, stderr);
fputs("\n\n", stderr);
}
fprintf(stderr, "Try `%s " HELP_ARG(h, help) "' for more information.\n",
program);
rasqal_free_world(world);
exit(1);
}
if(help) {
int i;
printf(title_format_string, rasqal_version_string);
puts("Run an RDF query and check it against a known result.");
printf("Usage: %s [OPTIONS] -g DATA -q QUERY-FILE -r RESULT-FILE\n\n", program);
fputs(rasqal_copyright_string, stdout);
fputs("\nLicense: ", stdout);
puts(rasqal_license_string);
fputs("Rasqal home page: ", stdout);
puts(rasqal_home_url_string);
puts("\nNormal operation is to execute the query in the QUERY-FILE and\ncompare to the query results in RESULT-FILE.");
puts("\nMain options:");
puts(HELP_TEXT("g URI", "default-graph URI", "Use URI as the default graph in the dataset"));
puts(HELP_TEXT("l", "language LANGUAGE ", "Set query language name to one of:"));
for(i = 0; 1; i++) {
const raptor_syntax_description* desc;
desc = rasqal_world_get_query_language_description(world, i);
if(!desc)
break;
printf(" %-15s %s", desc->names[0], desc->label);
if(!i)
puts(" (default)");
else
putchar('\n');
}
puts(HELP_TEXT("n URI", "named-graph URI ", "Add named graph URI to dataset"));
puts(HELP_TEXT("q FILE", "query QUERY-FILE", "Execute query in file QUERY-FILE"));
puts(HELP_TEXT("r FILE", "result FILE ", "Compare to result in file RESULTS-FILE"));
puts("\nAdditional options:");
puts(HELP_TEXT("d", "debug ", "Increase debug message level"));
puts(HELP_TEXT("F", "data-format NAME ", "Set the data source format NAME (default: " DEFAULT_DATA_FORMAT_NAME_GRAPH ")"));
puts(HELP_TEXT("h", "help ", "Print this help, then exit"));
puts(HELP_TEXT("Q URI", "query-base-uri URI", "Set the base URI for the query"));
puts(HELP_TEXT("R", "result-format NAME ", "Set the result format NAME (default: " DEFAULT_RESULT_FORMAT_NAME ")"));
puts(" For variable bindings and boolean results:");
for(i = 0; 1; i++) {
const raptor_syntax_description* desc;
desc = rasqal_world_get_query_results_format_description(world, i);
if(!desc)
break;
if(desc->flags & RASQAL_QUERY_RESULTS_FORMAT_FLAG_READER) {
printf(" %-10s %s", desc->names[0], desc->label);
if(!strcmp(desc->names[0], DEFAULT_RESULT_FORMAT_NAME))
puts(" (default)");
else
putchar('\n');
}
}
puts(" For RDF graph results:");
for(i = 0; 1; i++) {
const raptor_syntax_description *desc;
desc = raptor_world_get_parser_description(raptor_world_ptr, i);
if(!desc)
break;
printf(" %-15s%s", desc->names[0], desc->label);
if(!strcmp(desc->names[0], DEFAULT_DATA_FORMAT_NAME_GRAPH))
puts(" (default)");
else
putchar('\n');
}
puts(HELP_TEXT("v", "version ", "Print the Rasqal version"));
puts("\nReport bugs to http://bugs.librdf.org/");
rasqal_free_world(world);
exit(0);
}
/* Compute query base URI from filename or passed in -Q QUERY-BASE-URI */
if(!query_base_uri_string) {
query_base_uri_string = raptor_uri_filename_to_uri_string(query_filename);
free_query_base_uri_string = 1;
}
query_base_uri = raptor_new_uri(raptor_world_ptr, query_base_uri_string);
if(!query_base_uri) {
fprintf(stderr, "%s: Failed to create URI for %s\n",
program, query_base_uri_string);
return(1);
}
/* Read query from file into a string */
query_string = rasqal_cmdline_read_file_string(world, query_filename,
"query file", &query_len);
if(!query_string) {
rc = 1;
goto tidy_setup;
}
/* Report information */
if(verbose) {
fprintf(stderr, "%s: Reading query in language %s from file %s URI %s:\n",
program, query_language, query_filename,
raptor_uri_as_string(query_base_uri));
if(verbose > 1)
fprintf(stderr, "%s\n", (const char*)query_string);
fprintf(stderr, "%s: Reading results from file '%s'\n",
program, result_filename);
}
/* Parse and prepare query */
rq = check_query_init_query(world, query_language, query_string,
query_base_uri, data_graphs);
rasqal_free_memory(query_string);
if(!rq) {
fprintf(stderr, "%s: Parsing query in %s failed\n", program,
query_filename);
goto tidy_query;
}
/* Query prepared OK - we now know the query details such as result type */
/* Read expected results */
if(1) {
results_type = rasqal_query_get_result_type(rq);
fprintf(stderr, "%s: Expecting result type %d\n", program, results_type);
/* Read result file */
result_iostr = raptor_new_iostream_from_filename(raptor_world_ptr,
result_filename);
if(!result_iostr) {
fprintf(stderr, "%s: result file '%s' open failed - %s\n",
program, result_filename, strerror(errno));
rc = 1;
goto tidy_setup;
}
switch(results_type) {
case RASQAL_QUERY_RESULTS_BINDINGS:
case RASQAL_QUERY_RESULTS_BOOLEAN:
/* read results via rasqal query results format */
expected_results = rasqal_cmdline_read_results(world,
raptor_world_ptr,
results_type,
result_iostr,
result_filename,
result_format_name);
raptor_free_iostream(result_iostr); result_iostr = NULL;
if(!expected_results) {
fprintf(stderr, "%s: Failed to create query results\n", program);
rc = 1;
goto tidy_setup;
}
break;
case RASQAL_QUERY_RESULTS_GRAPH:
/* read results via raptor parser */
if(1) {
const char* format_name = NULL;
if(result_format_name) {
if(!raptor_world_is_parser_name(raptor_world_ptr,
result_format_name)) {
fprintf(stderr,
"%s: invalid parser name `%s' for `" HELP_ARG(R, result-format) "'\n\n",
program, result_format_name);
} else
format_name = result_format_name;
}
if(!format_name)
format_name = DEFAULT_RESULT_FORMAT_NAME;
ds = rasqal_new_dataset(world);
if(!ds) {
fprintf(stderr, "%s: Failed to create dataset", program);
rc = 1;
goto tidy_setup;
}
if(rasqal_dataset_load_graph_iostream(ds, format_name,
result_iostr, NULL)) {
fprintf(stderr, "%s: Failed to load graph into dataset", program);
rc = 1;
goto tidy_setup;
}
raptor_free_iostream(result_iostr); result_iostr = NULL;
/* FIXME
*
* The code at this point should do something with triples
* in the dataset; save them for later to compare them to
* the expected triples. that requires a triples compare
* OR a true RDF graph compare.
*
* Deleting the dataset here frees the triples just loaded.
*/
rasqal_free_dataset(ds); ds = NULL;
}
break;
case RASQAL_QUERY_RESULTS_SYNTAX:
case RASQAL_QUERY_RESULTS_UNKNOWN:
/* failure */
fprintf(stderr,
"%s: Reading %s query results format is not supported",
program, rasqal_query_results_type_label(results_type));
rc = 1;
goto tidy_setup;
}
}
/* save results for query execution so we can print and rewind */
rasqal_query_set_store_results(rq, 1);
results = rasqal_query_execute(rq);
if(results) {
switch(results_type) {
case RASQAL_QUERY_RESULTS_BINDINGS:
fprintf(stderr, "%s: Expected bindings results:\n", program);
rasqal_cmdline_print_bindings_results_simple(program, expected_results,
stderr, 1, 0);
fprintf(stderr, "%s: Actual bindings results:\n", program);
rasqal_cmdline_print_bindings_results_simple(program, results,
stderr, 1, 0);
rasqal_query_results_rewind(expected_results);
rasqal_query_results_rewind(results);
/* FIXME: should NOT do this if results are expected to be ordered */
rasqal_query_results_sort(expected_results);
rasqal_query_results_sort(results);
if(1) {
rasqal_results_compare* rrc;
rrc = rasqal_new_results_compare(world,
expected_results, "expected",
results, "actual");
rasqal_results_compare_set_log_handler(rrc, world,
check_query_log_handler);
rc = !rasqal_results_compare_compare(rrc);
rasqal_free_results_compare(rrc); rrc = NULL;
}
break;
case RASQAL_QUERY_RESULTS_BOOLEAN:
if(1) {
int expected_boolean = rasqal_query_results_get_boolean(expected_results);
int actual_boolean = rasqal_query_results_get_boolean(results);
RASQAL_DEBUG2("Expected boolean result: %d\n", expected_boolean);
RASQAL_DEBUG2("Actual boolean result: %d\n", actual_boolean);
rc = (expected_boolean != actual_boolean);
}
break;
case RASQAL_QUERY_RESULTS_GRAPH:
case RASQAL_QUERY_RESULTS_SYNTAX:
case RASQAL_QUERY_RESULTS_UNKNOWN:
/* failure */
fprintf(stderr, "%s: Query result format %d cannot be tested.",
program, results_type);
rc = 1;
goto tidy_setup;
}
} else
rc = 1;
if(verbose) {
fprintf(stdout, "%s: Result: %s\n", program, rc ? "FAILURE" : "success");
}
if(results) {
rasqal_free_query_results(results); results = NULL;
}
tidy_query:
if(rq)
rasqal_free_query(rq);
tidy_setup:
if(expected_results)
rasqal_free_query_results(expected_results);
if(results)
rasqal_free_query_results(results);
if(result_iostr)
raptor_free_iostream(result_iostr);
if(ds)
rasqal_free_dataset(ds);
if(free_query_base_uri_string)
raptor_free_memory(query_base_uri_string);
if(query_base_uri)
raptor_free_uri(query_base_uri);
if(data_graphs)
raptor_free_sequence(data_graphs);
rasqal_free_world(world);
return (rc);
}
/*
* rasqal_query_results_write_sparql_xml:
* @iostr: #raptor_iostream to write the query results to
* @results: #rasqal_query_results query results input
* @base_uri: #raptor_uri base URI of the output format
*
* Write the fourth version of the SPARQL XML query results format to an
* iostream in a format - INTERNAL.
*
* If the writing succeeds, the query results will be exhausted.
*
* Return value: non-0 on failure
**/
static int
rasqal_query_results_write_sparql_xml(rasqal_query_results_formatter* formatter,
raptor_iostream *iostr,
rasqal_query_results* results,
raptor_uri *base_uri)
{
int rc=1;
rasqal_world* world = rasqal_query_results_get_world(results);
raptor_xml_writer* xml_writer=NULL;
raptor_namespace *res_ns=NULL;
raptor_namespace_stack *nstack=NULL;
raptor_xml_element *sparql_element=NULL;
raptor_xml_element *results_element=NULL;
raptor_xml_element *result_element=NULL;
raptor_xml_element *element1=NULL;
raptor_xml_element *binding_element=NULL;
raptor_xml_element *variable_element=NULL;
raptor_qname **attrs=NULL;
int i;
if(!rasqal_query_results_is_bindings(results) &&
!rasqal_query_results_is_boolean(results)) {
rasqal_log_error_simple(world, RAPTOR_LOG_LEVEL_ERROR,
NULL,
"Can only write XML format v3 for variable binding and boolean results");
return 1;
}
nstack = raptor_new_namespaces(world->raptor_world_ptr, 1);
if(!nstack)
return 1;
xml_writer = raptor_new_xml_writer(world->raptor_world_ptr,
nstack,
iostr);
if(!xml_writer)
goto tidy;
res_ns=raptor_new_namespace(nstack,
NULL,
(const unsigned char*)"http://www.w3.org/2005/sparql-results#",
0);
if(!res_ns)
goto tidy;
sparql_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"sparql",
NULL, base_uri);
if(!sparql_element)
goto tidy;
raptor_xml_writer_start_element(xml_writer, sparql_element);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
/* <head> */
element1=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"head",
NULL, base_uri);
if(!element1)
goto tidy;
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)" ", 2);
raptor_xml_writer_start_element(xml_writer, element1);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
if(rasqal_query_results_is_bindings(results)) {
for(i=0; 1; i++) {
const unsigned char *name;
name=rasqal_query_results_get_binding_name(results, i);
if(!name)
break;
/* <variable name="x"/> */
variable_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"variable",
NULL, base_uri);
if(!variable_element)
goto tidy;
attrs=(raptor_qname **)raptor_alloc_memory(sizeof(raptor_qname*));
if(!attrs)
goto tidy;
attrs[0] = raptor_new_qname_from_namespace_local_name(world->raptor_world_ptr,
res_ns,
(const unsigned char*)"name",
(const unsigned char*)name); /* attribute value */
if(!attrs[0]) {
raptor_free_memory((void*)attrs);
goto tidy;
}
raptor_xml_element_set_attributes(variable_element, attrs, 1);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)" ", 4);
raptor_xml_writer_empty_element(xml_writer, variable_element);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
raptor_free_xml_element(variable_element);
variable_element=NULL;
}
}
/* FIXME - could add <link> inside <head> */
/* </head> */
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)" ", 2);
raptor_xml_writer_end_element(xml_writer, element1);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
raptor_free_xml_element(element1);
element1=NULL;
/* Boolean Results */
if(rasqal_query_results_is_boolean(results)) {
result_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"boolean",
NULL, base_uri);
if(!result_element)
goto tidy;
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)" ", 2);
raptor_xml_writer_start_element(xml_writer, result_element);
if(rasqal_query_results_get_boolean(results))
raptor_xml_writer_raw(xml_writer, RASQAL_XSD_BOOLEAN_TRUE);
else
raptor_xml_writer_raw(xml_writer, RASQAL_XSD_BOOLEAN_FALSE);
raptor_xml_writer_end_element(xml_writer, result_element);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
goto results3done;
}
/* Variable Binding Results */
/* <results> */
results_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"results",
NULL, base_uri);
if(!results_element)
goto tidy;
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)" ", 2);
raptor_xml_writer_start_element(xml_writer, results_element);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
/* declare result element for later multiple use */
result_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"result",
NULL, base_uri);
if(!result_element)
goto tidy;
while(!rasqal_query_results_finished(results)) {
/* <result> */
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)" ", 4);
raptor_xml_writer_start_element(xml_writer, result_element);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
for(i=0; i<rasqal_query_results_get_bindings_count(results); i++) {
const unsigned char *name=rasqal_query_results_get_binding_name(results, i);
rasqal_literal *l=rasqal_query_results_get_binding_value(results, i);
/* <binding> */
binding_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"binding",
NULL, base_uri);
if(!binding_element)
goto tidy;
attrs=(raptor_qname **)raptor_alloc_memory(sizeof(raptor_qname*));
if(!attrs)
goto tidy;
attrs[0] = raptor_new_qname_from_namespace_local_name(world->raptor_world_ptr,
res_ns,
(const unsigned char*)"name",
name);
if(!attrs[0]) {
raptor_free_memory((void*)attrs);
goto tidy;
}
raptor_xml_element_set_attributes(binding_element, attrs, 1);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)" ", 6);
raptor_xml_writer_start_element(xml_writer, binding_element);
if(!l) {
element1=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"unbound",
NULL, base_uri);
if(!element1)
goto tidy;
raptor_xml_writer_empty_element(xml_writer, element1);
} else switch(l->type) {
case RASQAL_LITERAL_URI:
element1=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"uri",
NULL, base_uri);
if(!element1)
goto tidy;
raptor_xml_writer_start_element(xml_writer, element1);
raptor_xml_writer_cdata(xml_writer, (const unsigned char*)raptor_uri_as_string(l->value.uri));
raptor_xml_writer_end_element(xml_writer, element1);
break;
case RASQAL_LITERAL_BLANK:
element1=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"bnode",
NULL, base_uri);
if(!element1)
goto tidy;
raptor_xml_writer_start_element(xml_writer, element1);
raptor_xml_writer_cdata(xml_writer, (const unsigned char*)l->string);
raptor_xml_writer_end_element(xml_writer, element1);
break;
case RASQAL_LITERAL_STRING:
case RASQAL_LITERAL_UDT:
element1=raptor_new_xml_element_from_namespace_local_name(res_ns,
(const unsigned char*)"literal",
NULL, base_uri);
if(!element1)
goto tidy;
if(l->language || l->datatype) {
attrs=(raptor_qname **)raptor_alloc_memory(sizeof(raptor_qname*));
if(!attrs)
goto tidy;
if(l->language)
attrs[0]=raptor_new_qname(nstack,
(const unsigned char*)"xml:lang",
(const unsigned char*)l->language);
else
attrs[0] = raptor_new_qname_from_namespace_local_name(world->raptor_world_ptr,
res_ns,
(const unsigned char*)"datatype",
(const unsigned char*)raptor_uri_as_string(l->datatype));
if(!attrs[0]) {
raptor_free_memory((void*)attrs);
goto tidy;
}
raptor_xml_element_set_attributes(element1, attrs, 1);
}
raptor_xml_writer_start_element(xml_writer, element1);
raptor_xml_writer_cdata_counted(xml_writer,
(const unsigned char*)l->string,
l->string_len);
raptor_xml_writer_end_element(xml_writer, element1);
break;
case RASQAL_LITERAL_PATTERN:
case RASQAL_LITERAL_QNAME:
case RASQAL_LITERAL_INTEGER:
case RASQAL_LITERAL_XSD_STRING:
case RASQAL_LITERAL_BOOLEAN:
case RASQAL_LITERAL_DOUBLE:
case RASQAL_LITERAL_FLOAT:
case RASQAL_LITERAL_VARIABLE:
case RASQAL_LITERAL_DECIMAL:
case RASQAL_LITERAL_DATETIME:
case RASQAL_LITERAL_INTEGER_SUBTYPE:
case RASQAL_LITERAL_UNKNOWN:
default:
rasqal_log_error_simple(world, RAPTOR_LOG_LEVEL_ERROR,
NULL,
"Cannot turn literal type %d into XML",
l->type);
goto tidy;
}
if(element1) {
raptor_free_xml_element(element1);
element1=NULL;
}
/* </binding> */
raptor_xml_writer_end_element(xml_writer, binding_element);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
raptor_free_xml_element(binding_element);
binding_element=NULL;
}
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)" ", 4);
raptor_xml_writer_end_element(xml_writer, result_element);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
rasqal_query_results_next(results);
}
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)" ", 2);
raptor_xml_writer_end_element(xml_writer, results_element);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
results3done:
rc=0;
raptor_xml_writer_end_element(xml_writer, sparql_element);
raptor_xml_writer_raw_counted(xml_writer, (const unsigned char*)"\n", 1);
tidy:
if(element1)
raptor_free_xml_element(element1);
if(variable_element)
raptor_free_xml_element(variable_element);
if(binding_element)
raptor_free_xml_element(binding_element);
if(result_element)
raptor_free_xml_element(result_element);
if(results_element)
raptor_free_xml_element(results_element);
if(sparql_element)
raptor_free_xml_element(sparql_element);
if(res_ns)
raptor_free_namespace(res_ns);
if(xml_writer)
raptor_free_xml_writer(xml_writer);
if(nstack)
raptor_free_namespaces(nstack);
return rc;
}
/*
* rasqal_query_results_write_sparql_xml:
* @iostr: #raptor_iostream to write the query results to
* @results: #rasqal_query_results query results input
* @base_uri: #raptor_uri base URI of the output format
*
* Write the fourth version of the SPARQL XML query results format to an
* iostream in a format - INTERNAL.
*
* If the writing succeeds, the query results will be exhausted.
*
* Return value: non-0 on failure
**/
static int
rasqal_query_results_write_sparql_xml(rasqal_query_results_formatter* formatter,
raptor_iostream *iostr,
rasqal_query_results* results,
raptor_uri *base_uri)
{
int rc=1;
rasqal_world* world = rasqal_query_results_get_world(results);
raptor_xml_writer* xml_writer=NULL;
raptor_namespace *res_ns=NULL;
raptor_namespace_stack *nstack=NULL;
raptor_xml_element *sparql_element=NULL;
raptor_xml_element *results_element=NULL;
raptor_xml_element *result_element=NULL;
raptor_xml_element *element1=NULL;
raptor_xml_element *binding_element=NULL;
raptor_xml_element *variable_element=NULL;
raptor_qname **attrs=NULL;
int i;
rasqal_query_results_type type;
type = rasqal_query_results_get_type(results);
if(type != RASQAL_QUERY_RESULTS_BINDINGS &&
type != RASQAL_QUERY_RESULTS_BOOLEAN) {
rasqal_log_error_simple(world, RAPTOR_LOG_LEVEL_ERROR,
NULL,
"Cannot write XML format v3 for %s query result format",
rasqal_query_results_type_label(type));
return 1;
}
nstack = raptor_new_namespaces(world->raptor_world_ptr, 1);
if(!nstack)
return 1;
xml_writer = raptor_new_xml_writer(world->raptor_world_ptr,
nstack,
iostr);
if(!xml_writer)
goto tidy;
res_ns=raptor_new_namespace(nstack,
NULL,
RASQAL_GOOD_CAST(const unsigned char*, "http://www.w3.org/2005/sparql-results#"),
0);
if(!res_ns)
goto tidy;
sparql_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "sparql"),
NULL, base_uri);
if(!sparql_element)
goto tidy;
raptor_xml_writer_start_element(xml_writer, sparql_element);
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, "\n"), 1);
/* <head> */
element1=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "head"),
NULL, base_uri);
if(!element1)
goto tidy;
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, " "), 2);
raptor_xml_writer_start_element(xml_writer, element1);
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, "\n"), 1);
if(rasqal_query_results_is_bindings(results)) {
for(i=0; 1; i++) {
const unsigned char *name;
name=rasqal_query_results_get_binding_name(results, i);
if(!name)
break;
/* <variable name="x"/> */
variable_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*,"variable"),
NULL, base_uri);
if(!variable_element)
goto tidy;
attrs=(raptor_qname **)raptor_alloc_memory(sizeof(raptor_qname*));
if(!attrs)
goto tidy;
attrs[0] = raptor_new_qname_from_namespace_local_name(world->raptor_world_ptr,
res_ns,
RASQAL_GOOD_CAST(const unsigned char*,"name"),
RASQAL_GOOD_CAST(const unsigned char*, name)); /* attribute value */
if(!attrs[0]) {
raptor_free_memory((void*)attrs);
goto tidy;
}
raptor_xml_element_set_attributes(variable_element, attrs, 1);
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, " "), 4);
raptor_xml_writer_empty_element(xml_writer, variable_element);
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, "\n"), 1);
raptor_free_xml_element(variable_element);
variable_element=NULL;
}
}
/* FIXME - could add <link> inside <head> */
/* </head> */
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, " "), 2);
raptor_xml_writer_end_element(xml_writer, element1);
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, "\n"), 1);
raptor_free_xml_element(element1);
element1=NULL;
/* Boolean Results */
if(rasqal_query_results_is_boolean(results)) {
result_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "boolean"),
NULL, base_uri);
if(!result_element)
goto tidy;
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, " "), 2);
raptor_xml_writer_start_element(xml_writer, result_element);
if(rasqal_query_results_get_boolean(results))
raptor_xml_writer_raw(xml_writer, RASQAL_XSD_BOOLEAN_TRUE);
else
raptor_xml_writer_raw(xml_writer, RASQAL_XSD_BOOLEAN_FALSE);
raptor_xml_writer_end_element(xml_writer, result_element);
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, "\n"), 1);
goto results3done;
}
/* Variable Binding Results */
/* <results> */
results_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "results"),
NULL, base_uri);
if(!results_element)
goto tidy;
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, " "), 2);
raptor_xml_writer_start_element(xml_writer, results_element);
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, "\n"), 1);
/* declare result element for later multiple use */
result_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "result"),
NULL, base_uri);
if(!result_element)
goto tidy;
while(!rasqal_query_results_finished(results)) {
/* <result> */
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, " "), 4);
raptor_xml_writer_start_element(xml_writer, result_element);
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, "\n"), 1);
for(i=0; i<rasqal_query_results_get_bindings_count(results); i++) {
const unsigned char *name=rasqal_query_results_get_binding_name(results, i);
rasqal_literal *l=rasqal_query_results_get_binding_value(results, i);
/* <binding> */
binding_element=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "binding"),
NULL, base_uri);
if(!binding_element)
goto tidy;
attrs=(raptor_qname **)raptor_alloc_memory(sizeof(raptor_qname*));
if(!attrs)
goto tidy;
attrs[0] = raptor_new_qname_from_namespace_local_name(world->raptor_world_ptr,
res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "name"),
name);
if(!attrs[0]) {
raptor_free_memory((void*)attrs);
goto tidy;
}
raptor_xml_element_set_attributes(binding_element, attrs, 1);
raptor_xml_writer_raw_counted(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, " "), 6);
raptor_xml_writer_start_element(xml_writer, binding_element);
if(!l) {
element1=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "unbound"),
NULL, base_uri);
if(!element1)
goto tidy;
raptor_xml_writer_empty_element(xml_writer, element1);
} else switch(l->type) {
case RASQAL_LITERAL_URI:
element1=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "uri"),
NULL, base_uri);
if(!element1)
goto tidy;
raptor_xml_writer_start_element(xml_writer, element1);
raptor_xml_writer_cdata(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, raptor_uri_as_string(l->value.uri)));
raptor_xml_writer_end_element(xml_writer, element1);
break;
case RASQAL_LITERAL_BLANK:
element1=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "bnode"),
NULL, base_uri);
if(!element1)
goto tidy;
raptor_xml_writer_start_element(xml_writer, element1);
raptor_xml_writer_cdata(xml_writer, RASQAL_GOOD_CAST(const unsigned char*, l->string));
raptor_xml_writer_end_element(xml_writer, element1);
break;
case RASQAL_LITERAL_STRING:
case RASQAL_LITERAL_UDT:
element1=raptor_new_xml_element_from_namespace_local_name(res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "literal"),
NULL, base_uri);
if(!element1)
goto tidy;
if(l->language || l->datatype) {
attrs=(raptor_qname **)raptor_alloc_memory(sizeof(raptor_qname*));
if(!attrs)
goto tidy;
if(l->language)
attrs[0]=raptor_new_qname(nstack,
RASQAL_GOOD_CAST(const unsigned char*, "xml:lang"),
RASQAL_GOOD_CAST(const unsigned char*, l->language));
else
attrs[0] = raptor_new_qname_from_namespace_local_name(world->raptor_world_ptr,
res_ns,
RASQAL_GOOD_CAST(const unsigned char*, "datatype"),
RASQAL_GOOD_CAST(const unsigned char*, raptor_uri_as_string(l->datatype)));
if(!attrs[0]) {
raptor_free_memory((void*)attrs);
goto tidy;
}
raptor_xml_element_set_attributes(element1, attrs, 1);
}
