Lines Matching refs:buf

390         $buf = '';
393             $buf .= '{';
406                     $buf .= '<EOF>';
408                     $buf .= '\'' . StringUtils::char($start) . '\'';
410                     $buf .= $start;
414                     $buf .= \sprintf(
420                     $buf .= \sprintf('%s..%s', $start, $stop);
425                 $buf .= ', ';
430             $buf .= '}';
433         return $buf;
442         $buf = '';
444             $buf .= '{';
456                 $buf .= $this->elementName($vocabulary, $start);
460                         $buf .= ', ';
463                     $buf .= $this->elementName($vocabulary, $i);
468                 $buf .= ', ';
473             $buf .= '}';
476         return $buf;