static void raptor_turtle_ensure_writen_header(raptor_serializer* serializer, raptor_turtle_context* context) { int i; if(context->written_header) return; if(!context->turtle_writer) return; for(i=0; i< raptor_sequence_size(context->namespaces); i++) { raptor_namespace* ns; ns=(raptor_namespace*)raptor_sequence_get_at(context->namespaces, i); raptor_turtle_writer_namespace_prefix(context->turtle_writer, ns); raptor_namespace_copy(context->nstack, ns, 0); } raptor_turtle_writer_raw(context->turtle_writer, (const unsigned char*)"\n"); context->written_header=1; }
int main(int argc, char *argv[]) { raptor_world *world; const char *program = raptor_basename(argv[0]); raptor_iostream *iostr; raptor_namespace_stack *nstack; raptor_namespace* ex_ns; raptor_turtle_writer* turtle_writer; raptor_uri* base_uri; raptor_qname* el_name; unsigned long count; raptor_uri* datatype; /* for raptor_new_iostream_to_string */ void *string = NULL; size_t string_len = 0; world = raptor_new_world(); if(!world || raptor_world_open(world)) exit(1); iostr = raptor_new_iostream_to_string(world, &string, &string_len, NULL); if(!iostr) { fprintf(stderr, "%s: Failed to create iostream to string\n", program); exit(1); } nstack = raptor_new_namespaces(world, 1); base_uri = raptor_new_uri(world, base_uri_string); turtle_writer = raptor_new_turtle_writer(world, base_uri, 1, nstack, iostr); if(!turtle_writer) { fprintf(stderr, "%s: Failed to create turtle_writer to iostream\n", program); exit(1); } raptor_turtle_writer_set_option(turtle_writer, RAPTOR_OPTION_WRITER_AUTO_INDENT, 1); ex_ns = raptor_new_namespace(nstack, (const unsigned char*)"ex", (const unsigned char*)"http://example.org/ns#", 0); raptor_turtle_writer_namespace_prefix(turtle_writer, ex_ns); raptor_turtle_writer_reference(turtle_writer, base_uri); raptor_turtle_writer_increase_indent(turtle_writer); raptor_turtle_writer_newline(turtle_writer); raptor_turtle_writer_raw(turtle_writer, (const unsigned char*)"ex:foo "); raptor_turtle_writer_quoted_counted_string(turtle_writer, longstr, strlen((const char*)longstr)); raptor_turtle_writer_raw_counted(turtle_writer, (const unsigned char*)" ;", 2); raptor_turtle_writer_newline(turtle_writer); el_name = raptor_new_qname_from_namespace_local_name(world, ex_ns, (const unsigned char*)"bar", NULL); raptor_turtle_writer_qname(turtle_writer, el_name); raptor_free_qname(el_name); raptor_turtle_writer_raw_counted(turtle_writer, (const unsigned char*)" ", 1); datatype = raptor_new_uri(world, (const unsigned char*)"http://www.w3.org/2001/XMLSchema#decimal"); raptor_turtle_writer_literal(turtle_writer, nstack, (const unsigned char*)"10.0", NULL, datatype); raptor_free_uri(datatype); raptor_turtle_writer_newline(turtle_writer); raptor_turtle_writer_decrease_indent(turtle_writer); raptor_turtle_writer_raw_counted(turtle_writer, (const unsigned char*)".", 1); raptor_turtle_writer_newline(turtle_writer); raptor_free_turtle_writer(turtle_writer); raptor_free_namespace(ex_ns); raptor_free_namespaces(nstack); raptor_free_uri(base_uri); count = raptor_iostream_tell(iostr); #if RAPTOR_DEBUG > 1 fprintf(stderr, "%s: Freeing iostream\n", program); #endif raptor_free_iostream(iostr); if(count != OUT_BYTES_COUNT) { fprintf(stderr, "%s: I/O stream wrote %d bytes, expected %d\n", program, (int)count, (int)OUT_BYTES_COUNT); fputs("[[", stderr); (void)fwrite(string, 1, string_len, stderr); fputs("]]\n", stderr); return 1; } if(!string) { fprintf(stderr, "%s: I/O stream failed to create a string\n", program); return 1; } string_len = strlen((const char*)string); if(string_len != count) { fprintf(stderr, "%s: I/O stream created a string length %d, expected %d\n", program, (int)string_len, (int)count); return 1; } #if RAPTOR_DEBUG > 1 fprintf(stderr, "%s: Made Turtle string of %d bytes\n", program, (int)string_len); fputs("[[", stderr); (void)fwrite(string, 1, string_len, stderr); fputs("]]\n", stderr); #endif raptor_free_memory(string); raptor_free_world(world); /* keep gcc -Wall happy */ return(0); }