Function msReturnTemplateQuery

maptemplate.c:230–314

}

int msReturnTemplateQuery(mapservObj *mapserv, char *queryFormat, char **papszBuffer)
{
  imageObj *img = NULL;
  int i, status;
  
  outputFormatObj *outputFormat=NULL;
  mapObj *map = mapserv->map;

  if(!queryFormat) {
    msSetError(MS_WEBERR, "Return format/mime-type not specified.", "msReturnTemplateQuery()");
    return MS_FAILURE;
  }

  msApplyDefaultOutputFormats(map);

  i = msGetOutputFormatIndex(map, queryFormat); /* queryFormat can be a mime-type or name */
  if(i >= 0) outputFormat = map->outputformatlist[i];

  if(outputFormat) {
     if( MS_RENDERER_PLUGIN(outputFormat) ) {
         msInitializeRendererVTable(outputFormat);
     }

     if( MS_RENDERER_OGR(outputFormat) )
     {
         if( mapserv != NULL )
             checkWebScale(mapserv);
         
         status = msOGRWriteFromQuery(map, outputFormat, mapserv->sendheaders);
       
         return status;
     }

     if( !MS_RENDERER_TEMPLATE(outputFormat) ) { /* got an image format, return the query results that way */
       outputFormatObj *tempOutputFormat = map->outputformat; /* save format */

       if( mapserv != NULL )
           checkWebScale(mapserv);

       map->outputformat = outputFormat; /* override what was given for IMAGETYPE */
       img = msDrawMap(map, MS_TRUE);
       if(!img) return MS_FAILURE;
       map->outputformat = tempOutputFormat; /* restore format */

       if(mapserv == NULL || mapserv->sendheaders) 
           msIO_printf("Content-type: %s%c%c", MS_IMAGE_MIME_TYPE(outputFormat), 10,10);
       status = msSaveImage(map, img, NULL);
       msFreeImage(img);

       return status;
    }
  }

  /* 
  ** At this point we know we have a template of some sort, either the new style that references a or the old
  ** style made up of external files slammed together. Either way we may have to compute a query map and other
  ** images. We only create support images IF the querymap has status=MS_ON.
  */