Function msGMLGetGeometries

mapgml.c:713–778

}

gmlGeometryListObj *msGMLGetGeometries(layerObj *layer, const char *metadata_namespaces)
{
  int i;

  const char *value=NULL;
  char tag[64];

  char **names=NULL;
  int numnames=0;

  gmlGeometryListObj *geometryList=NULL;
  gmlGeometryObj *geometry=NULL;

  /* allocate memory and initialize the item collection */
  geometryList = (gmlGeometryListObj *) malloc(sizeof(gmlGeometryListObj));
  MS_CHECK_ALLOC(geometryList, sizeof(gmlGeometryListObj), NULL) ;
  geometryList->geometries = NULL;
  geometryList->numgeometries = 0;

  if((value = msOWSLookupMetadata(&(layer->metadata), metadata_namespaces, "geometries")) != NULL) {
    names = msStringSplit(value, ',', &numnames);

    /* allocation an array of gmlGeometryObj's */
    geometryList->numgeometries = numnames;
    geometryList->geometries = (gmlGeometryObj *) malloc(sizeof(gmlGeometryObj)*geometryList->numgeometries);
    if (geometryList->geometries ==  NULL)
    {
        msSetError(MS_MEMERR, "Out of memory allocating %u bytes.\n", "msGMLGetGeometries()", 
                   sizeof(gmlGeometryObj)*geometryList->numgeometries);
        free(geometryList);
        return NULL;
    }

    for(i=0; i<geometryList->numgeometries; i++) {
      geometry = &(geometryList->geometries[i]);

      geometry->name = msStrdup(names[i]); /* initialize a few things */
      geometry->type = NULL;
      geometry->occurmin = 0;
      geometry->occurmax = 1;      

      snprintf(tag, 64, "%s_type", names[i]);
      if((value =  msOWSLookupMetadata(&(layer->metadata), metadata_namespaces, tag)) != NULL)
        geometry->type = msStrdup(value); /* TODO: validate input value */

      snprintf(tag, 64, "%s_occurances", names[i]);
      if((value = msOWSLookupMetadata(&(layer->metadata), metadata_namespaces, tag)) != NULL) {
        char **occur;
        int numoccur;

        occur = msStringSplit(value, ',', &numoccur);
        if(numoccur == 2) { /* continue (TODO: throw an error if != 2) */
          geometry->occurmin = atof(occur[0]);
          if(strcasecmp(occur[1], "UNBOUNDED") == 0)
            geometry->occurmax = OWS_GML_OCCUR_UNBOUNDED;
          else
           geometry->occurmax = atof(occur[1]);
        }