Function msOWSLookupMetadata

mapows.c:402–467

** msOWSLookupMetadata() ** ** Attempts to lookup a given metadata name in multiple OWS namespaces. ** ** 'namespaces' is a string with a letter for each namespace to lookup ** in the order they should be looked up. e.g. "MO" to lookup wms_ and ows_ ** If namespaces is NULL then this function just does a regular metadata ** lookup. */

** lookup.
*/
const char *msOWSLookupMetadata(hashTableObj *metadata, 
                                const char *namespaces, const char *name)
{
    const char *value = NULL;

    if (namespaces == NULL)
    {
        value = msLookupHashTable(metadata, (char*)name);
    }
    else
    {
        char buf[100] = "ows_";

        strlcpy(buf+4, name, 96);

        while (value == NULL && *namespaces != '\0')
        {
            switch (*namespaces)
            {
              case 'O':         /* ows_... */
                buf[0] = 'o';
                buf[1] = 'w';
                buf[2] = 's';
                break;
              case 'M':         /* wms_... */
                buf[0] = 'w';
                buf[1] = 'm';
                buf[2] = 's';
                break;
              case 'F':         /* wfs_... */
                buf[0] = 'w';
                buf[1] = 'f';
                buf[2] = 's';
                break;
              case 'C':         /* wcs_... */
                buf[0] = 'w';
                buf[1] = 'c';
                buf[2] = 's';
                break;
              case 'G':         /* gml_... */
                buf[0] = 'g';
                buf[1] = 'm';
                buf[2] = 'l';
                break;
                case 'S':         /* sos_... */
                buf[0] = 's';
                buf[1] = 'o';
                buf[2] = 's';
                break;
              default:
                /* We should never get here unless an invalid code (typo) is */
                /* present in the code, but since this happened before... */
                msSetError(MS_WMSERR, 
                           "Unsupported metadata namespace code (%c).",
                           "msOWSLookupMetadata()", *namespaces );
                assert(MS_FALSE);
                return NULL;
            }