Function msWMSFeatureInfo

mapwms.c:3024–3309

** msWMSFeatureInfo() */

** msWMSFeatureInfo()
*/
int msWMSFeatureInfo(mapObj *map, int nVersion, char **names, char **values, int numentries,
                     char *wms_exception_format, owsRequestObj *ows_request)
{
  int i, feature_count=1, numlayers_found=0;
  pointObj point = {-1.0, -1.0};
  const char *info_format="MIME";
  double cellx, celly;
  errorObj *ms_error = msGetErrorObj();
  int query_status=MS_NOERR;
  const char *encoding;
  int query_layer = 0;
  const char *format_list=NULL;
  int valid_format=MS_FALSE;
  int format_found = MS_FALSE;
  int use_bbox = MS_FALSE;

  encoding = msOWSLookupMetadata(&(map->web.metadata), "MO", "encoding");

  for(i=0; map && i<numentries; i++) {
    if(strcasecmp(names[i], "QUERY_LAYERS") == 0) {
      char **layers;
      int numlayers, j, k;

      query_layer = 1; /* flag set if QUERY_LAYERS is the request */

      layers = msStringSplit(values[i], ',', &numlayers);
      if(layers==NULL || numlayers < 1 || strlen(msStringTrimLeft(values[i])) < 1) {
        msSetError(MS_WMSERR, "At least one layer name required in QUERY_LAYERS.", "msWMSFeatureInfo()");
        return msWMSException(map, nVersion, "LayerNotDefined", wms_exception_format);
      }

      
        
      for(j=0; j<map->numlayers; j++) {
        /* Force all layers OFF by default */
	GET_LAYER(map, j)->status = MS_OFF;
        for(k=0; k<numlayers; k++) {
         if (((GET_LAYER(map, j)->name && strcasecmp(GET_LAYER(map, j)->name, layers[k]) == 0) ||
              (map->name && strcasecmp(map->name, layers[k]) == 0) ||
              (GET_LAYER(map, j)->group && strcasecmp(GET_LAYER(map, j)->group, layers[k]) == 0)) &&
             (msIntegerInArray(GET_LAYER(map, j)->index, ows_request->enabled_layers, ows_request->numlayers)) )
            {
                numlayers_found++;     
                GET_LAYER(map, j)->status = MS_ON;               
            }
        }
      }

      msFreeCharArray(layers, numlayers);
    } else if (strcasecmp(names[i], "INFO_FORMAT") == 0)
    {
        if (values[i] && strlen(values[i]) > 0)
        {
            info_format = values[i];
            format_found = MS_TRUE;
        }
    }
    else if (strcasecmp(names[i], "FEATURE_COUNT") == 0)