/*
 * raptor_rdfxmla_emit_literal:
 * @serializer: #raptor_serializer object
 * @element: XML Element
 * @node: literal node
 * @depth: depth into tree
 * 
 * Emit a description of a literal using an XML Element
 * 
 * Return value: non-0 on failure
 **/
static int
raptor_rdfxmla_emit_literal(raptor_serializer *serializer,
                            raptor_xml_element *element,
                            raptor_abbrev_node* node,
                            int depth)
{
  raptor_rdfxmla_context* context = (raptor_rdfxmla_context*)serializer->context;
  raptor_xml_writer *xml_writer = context->xml_writer;
  raptor_qname **attrs;
  int attrs_count;
  
  RAPTOR_DEBUG_ABBREV_NODE("Emitting literal node", node);

  if(node->term->type != RAPTOR_TERM_TYPE_LITERAL)
    return 1;
  
  if(node->term->value.literal.language || node->term->value.literal.datatype) {
          
    attrs_count = 0;
    attrs = RAPTOR_CALLOC(raptor_qname**, 2, sizeof(raptor_qname*));
    if(!attrs)
      return 1;

    if(node->term->value.literal.language) {
      attrs[attrs_count] = raptor_new_qname(context->nstack,
                                            (unsigned char*)"xml:lang",
                                            node->term->value.literal.language);
      if(!attrs[attrs_count])
        goto attrs_oom;
      attrs_count++;
    }

    if(node->term->value.literal.datatype) {
      unsigned char *datatype_value;
      datatype_value = raptor_uri_as_string(node->term->value.literal.datatype);
      attrs[attrs_count] = raptor_new_qname_from_namespace_local_name(serializer->world,
                                                                      context->rdf_nspace,
                                                                      (const unsigned char*)"datatype",
                                                                      datatype_value);
      if(!attrs[attrs_count])
        goto attrs_oom;
      attrs_count++;

      /* SJS Note: raptor_default_uri_as_string simply returns a
       * pointer to the string. Hope this is also true of alternate
       * uri implementations. */
      /* RAPTOR_FREE(char*, datatype_value); */

    }

    raptor_xml_element_set_attributes(element, attrs, attrs_count);

  }
Esempio n. 2
0
/* start of an element */
void 
raptor_sax2_start_element(void* user_data, const unsigned char *name,
                          const unsigned char **atts)
{
  raptor_sax2* sax2=(raptor_sax2*)user_data;
  raptor_qname* el_name;
  unsigned char **xml_atts_copy=NULL;
  size_t xml_atts_size=0;
  int all_atts_count=0;
  int ns_attributes_count=0;
  raptor_qname** named_attrs=NULL;
  raptor_xml_element* xml_element=NULL;
  unsigned char *xml_language=NULL;
  raptor_uri *xml_base=NULL;

  if(sax2->failed)
    return;

#ifdef RAPTOR_XML_EXPAT
#ifdef EXPAT_UTF8_BOM_CRASH
  sax2->tokens_count++;
#endif
#endif

#ifdef RAPTOR_XML_LIBXML
  if(atts) {
    int i;
    
    /* Do XML attribute value normalization */
    for (i = 0; atts[i]; i+=2) {
      unsigned char *value=(unsigned char*)atts[i+1];
      unsigned char *src = value;
      unsigned char *dst = xmlStrdup(value);

      if(!dst) {
        raptor_log_error_to_handlers(sax2->world,
                                     sax2->error_handlers, 
                                     RAPTOR_LOG_LEVEL_FATAL,
                                     sax2->locator, "Out of memory");
        return;
      }

      atts[i+1]=dst;

      while (*src == 0x20 || *src == 0x0d || *src == 0x0a || *src == 0x09) 
        src++;
      while (*src) {
        if (*src == 0x20 || *src == 0x0d || *src == 0x0a || *src == 0x09) {
          while (*src == 0x20 || *src == 0x0d || *src == 0x0a || *src == 0x09)
            src++;
          if (*src)
            *dst++ = 0x20;
        } else {
          *dst++ = *src++;
        }
      }
      *dst = '\0';
      xmlFree(value);
    }
  }
#endif

  raptor_sax2_inc_depth(sax2);

  if(atts) {
    int i;

    /* Save passed in XML attributes pointers so we can 
     * NULL the pointers when they get handled below (various atts[i]=NULL)
     */
    for (i = 0; atts[i]; i++) ;
    xml_atts_size=sizeof(unsigned char*) * i;
    if(xml_atts_size) {
      xml_atts_copy=(unsigned char**)RAPTOR_MALLOC(cstringpointer,xml_atts_size);
      if(!xml_atts_copy)
        goto fail;
      memcpy(xml_atts_copy, atts, xml_atts_size);
    }

    /* XML attributes processing:
     *   xmlns*   - XML namespaces (Namespaces in XML REC)
     *     Deleted and used to synthesise namespaces declarations
     *   xml:lang - XML language (XML REC)
     *     Deleted and optionally normalised to lowercase
     *   xml:base - XML Base (XML Base REC)
     *     Deleted and used to set the in-scope base URI for this XML element
     */
    for (i = 0; atts[i]; i+= 2) {
      all_atts_count++;

      if(strncmp((char*)atts[i], "xml", 3)) {
        /* count and skip non xml* attributes */
        ns_attributes_count++;
        continue;
      }

      /* synthesise the XML namespace events */
      if(!memcmp((const char*)atts[i], "xmlns", 5)) {
        const unsigned char *prefix=atts[i][5] ? &atts[i][6] : NULL;
        const unsigned char *namespace_name=atts[i+1];

        raptor_namespace* nspace;
        nspace=raptor_new_namespace(&sax2->namespaces,
                                    prefix, namespace_name,
                                    raptor_sax2_get_depth(sax2));

        if(nspace) {
          raptor_namespaces_start_namespace(&sax2->namespaces, nspace);

          if(sax2->namespace_handler)
            (*sax2->namespace_handler)(sax2->user_data, nspace);
        }
      } else if(!strcmp((char*)atts[i], "xml:lang")) {
        xml_language=(unsigned char*)RAPTOR_MALLOC(cstring, strlen((char*)atts[i+1])+1);
        if(!xml_language) {
          raptor_log_error_to_handlers(sax2->world,
                                       sax2->error_handlers, 
                                       RAPTOR_LOG_LEVEL_FATAL,
                                       sax2->locator, "Out of memory");
          goto fail;
        }

        /* optionally normalize language to lowercase */
        if(sax2->feature_normalize_language) {
          unsigned char *from=(unsigned char*)atts[i+1];
          unsigned char *to=xml_language;
          
          while(*from) {
            if(isupper(*from))
              *to++ =tolower(*from++);
            else
              *to++ =*from++;
          }
          *to='\0';
        } else
          strcpy((char*)xml_language, (char*)atts[i+1]);
      } else if(!strcmp((char*)atts[i], "xml:base")) {
        raptor_uri* base_uri;
        raptor_uri* xuri;
        base_uri=raptor_sax2_inscope_base_uri(sax2);
        xuri=raptor_new_uri_relative_to_base_v2(sax2->world, base_uri, atts[i+1]);
        xml_base=raptor_new_uri_for_xmlbase_v2(sax2->world, xuri);
        raptor_free_uri_v2(sax2->world, xuri);
      }

      /* delete all xml attributes whether processed above or not */
      atts[i]=NULL; 
    }
  }


  /* Create new element structure */
  el_name=raptor_new_qname(&sax2->namespaces, name, NULL,
                           (raptor_simple_message_handler)raptor_sax2_simple_error, sax2);
  if(!el_name)
    goto fail;

  xml_element=raptor_new_xml_element(el_name, xml_language, xml_base);
  if(!xml_element) {
    raptor_free_qname(el_name);
    goto fail;
  }
  /* xml_language,xml_base now owned by xml_element */
  xml_language = NULL;
  xml_base = NULL; 

  /* Turn string attributes into namespaced-attributes */
  if(ns_attributes_count) {
    int i;
    int offset = 0;

    /* Allocate new array to hold namespaced-attributes */
    named_attrs=(raptor_qname**)RAPTOR_CALLOC(raptor_qname_array, 
                                              ns_attributes_count, 
                                              sizeof(raptor_qname*));
    if(!named_attrs) {
      raptor_log_error_to_handlers(sax2->world,
                                   sax2->error_handlers, 
                                   RAPTOR_LOG_LEVEL_FATAL,
                                   sax2->locator, "Out of memory");
      goto fail;
    }

    for (i = 0; i < all_atts_count; i++) {
      raptor_qname* attr;

      /* Skip previously processed attributes */
      if(!atts[i<<1])
        continue;

      /* namespace-name[i] stored in named_attrs[i] */
      attr=raptor_new_qname(&sax2->namespaces,
                            atts[i<<1], atts[(i<<1)+1],
                            (raptor_simple_message_handler)raptor_sax2_simple_error, sax2);
      if(!attr) { /* failed - tidy up and return */
        int j;

        for (j=0; j < i; j++)
          RAPTOR_FREE(raptor_qname, named_attrs[j]);
        RAPTOR_FREE(raptor_qname_array, named_attrs);
        goto fail;
      }

      named_attrs[offset++]=attr;
    }
  } /* end if ns_attributes_count */


  if(named_attrs)
    raptor_xml_element_set_attributes(xml_element,
                                      named_attrs, ns_attributes_count);

  raptor_xml_element_push(sax2, xml_element);

  if(sax2->start_element_handler)
    sax2->start_element_handler(sax2->user_data, xml_element);

  if(xml_atts_copy) {
    /* Restore passed in XML attributes, free the copy */
    memcpy((void*)atts, xml_atts_copy, xml_atts_size);
    RAPTOR_FREE(cstringpointer, xml_atts_copy);
  }

  return;

  fail:
  if(xml_atts_copy)
    RAPTOR_FREE(cstringpointer, xml_atts_copy);
  if(xml_base)
    raptor_free_uri_v2(sax2->world, xml_base);
  if(xml_language)
    RAPTOR_FREE(cstring, xml_language);
  if(xml_element)
    raptor_free_xml_element(xml_element);
}
Esempio n. 3
0
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* foo_ns;
  raptor_xml_writer* xml_writer;
  raptor_uri* base_uri;
  raptor_qname* el_name;
  raptor_xml_element *element;
  unsigned long offset;
  raptor_qname **attrs;
  raptor_uri* base_uri_copy = NULL;

  /* 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);

  xml_writer = raptor_new_xml_writer(world, nstack, iostr);
  if(!xml_writer) {
    fprintf(stderr, "%s: Failed to create xml_writer to iostream\n", program);
    exit(1);
  }

  base_uri = raptor_new_uri(world, base_uri_string);

  foo_ns = raptor_new_namespace(nstack,
                              (const unsigned char*)"foo",
                              (const unsigned char*)"http://example.org/foo-ns#",
                              0);


  el_name = raptor_new_qname_from_namespace_local_name(world,
                                                       foo_ns,
                                                       (const unsigned char*)"bar", 
                                                       NULL);
  base_uri_copy = base_uri ? raptor_uri_copy(base_uri) : NULL;
  element = raptor_new_xml_element(el_name,
                                  NULL, /* language */
                                  base_uri_copy);

  raptor_xml_writer_start_element(xml_writer, element);
  raptor_xml_writer_cdata_counted(xml_writer, (const unsigned char*)"hello\n", 6);
  raptor_xml_writer_comment_counted(xml_writer, (const unsigned char*)"comment", 7);
  raptor_xml_writer_cdata(xml_writer, (const unsigned char*)"\n");
  raptor_xml_writer_end_element(xml_writer, element);

  raptor_free_xml_element(element);

  raptor_xml_writer_cdata(xml_writer, (const unsigned char*)"\n");

  el_name = raptor_new_qname(nstack, 
                             (const unsigned char*)"blah", 
                             NULL /* no attribute value - element */);
  base_uri_copy = base_uri ? raptor_uri_copy(base_uri) : NULL;
  element = raptor_new_xml_element(el_name,
                                   NULL, /* language */
                                   base_uri_copy);

  attrs = (raptor_qname **)RAPTOR_CALLOC(qnamearray, 1, sizeof(raptor_qname*));
  attrs[0] = raptor_new_qname(nstack, 
                              (const unsigned char*)"a",
                              (const unsigned char*)"b" /* attribute value */);
  raptor_xml_element_set_attributes(element, attrs, 1);

  raptor_xml_writer_empty_element(xml_writer, element);

  raptor_xml_writer_cdata(xml_writer, (const unsigned char*)"\n");

  raptor_free_xml_writer(xml_writer);

  raptor_free_xml_element(element);

  raptor_free_namespace(foo_ns);

  raptor_free_namespaces(nstack);

  raptor_free_uri(base_uri);

  
  offset = raptor_iostream_tell(iostr);

#if RAPTOR_DEBUG > 1
  fprintf(stderr, "%s: Freeing iostream\n", program);
#endif
  raptor_free_iostream(iostr);

  if(offset != OUT_BYTES_COUNT) {
    fprintf(stderr, "%s: I/O stream wrote %d bytes, expected %d\n", program,
            (int)offset, (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 != offset) {
    fprintf(stderr, "%s: I/O stream created a string length %d, expected %d\n", program, (int)string_len, (int)offset);
    return 1;
  }

#if RAPTOR_DEBUG > 1
  fprintf(stderr, "%s: Made XML 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);
}
Esempio n. 4
0
/*
 * 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;
}