Function FLTPreParseFilterForAlias

mapogcfilter.c:3404–3441

/ FLTPreParseFilterForAlias */ / Utility function to replace aliased' attributes with their */ real name. */ /

/*      real name.                                                      */
/************************************************************************/
void FLTPreParseFilterForAlias(FilterEncodingNode *psFilterNode, 
                               mapObj *map, int i, const char *namespaces)
{
    layerObj *lp=NULL;
    char szTmp[256];
    const char *pszFullName = NULL;

#if defined(USE_WMS_SVR) || defined (USE_WFS_SVR) || defined (USE_WCS_SVR) || defined(USE_SOS_SVR)

    if (psFilterNode && map && i>=0 && i<map->numlayers)
    {
        /*strip name speces befor hand*/
        FLTStripNameSpacesFromPropertyName(psFilterNode);

        lp = GET_LAYER(map, i);
        if (msLayerOpen(lp) == MS_SUCCESS && msLayerGetItems(lp) == MS_SUCCESS)
        {
            for(i=0; i<lp->numitems; i++) 
            {
                if (!lp->items[i] || strlen(lp->items[i]) <= 0)
                    continue;
                snprintf(szTmp, sizeof(szTmp), "%s_alias", lp->items[i]);
                pszFullName = msOWSLookupMetadata(&(lp->metadata), namespaces, szTmp);
                if (pszFullName)
                {
                    FLTReplacePropertyName(psFilterNode, pszFullName, 
                                           lp->items[i]);
                }
            }
            msLayerClose(lp);
        }
    } 
#else
    msSetError(MS_MISCERR, "OWS support is not available.", 
               "FLTPreParseFilterForAlias()");
    
#endif   
}


#ifdef USE_LIBXML2