/**
  * Merge fields information
  */
 private function _mergeStoredFields()
 {
     $this->_docCount = 0;
     foreach ($this->_segmentInfos as $segName => $segmentInfo) {
         $fdtFile = $segmentInfo->openCompoundFile('.fdt');
         for ($count = 0; $count < $segmentInfo->count(); $count++) {
             $fieldCount = $fdtFile->readVInt();
             $storedFields = array();
             for ($count2 = 0; $count2 < $fieldCount; $count2++) {
                 $fieldNum = $fdtFile->readVInt();
                 $bits = $fdtFile->readByte();
                 $fieldInfo = $segmentInfo->getField($fieldNum);
                 if (!($bits & 2)) {
                     // Text data
                     $storedFields[] = new Zend_Search_Lucene_Field($fieldInfo->name, $fdtFile->readString(), 'UTF-8', true, $fieldInfo->isIndexed, $bits & 1);
                 } else {
                     // Binary data
                     $storedFields[] = new Zend_Search_Lucene_Field($fieldInfo->name, $fdtFile->readBinary(), '', true, $fieldInfo->isIndexed, $bits & 1, true);
                 }
             }
             if (!$segmentInfo->isDeleted($count)) {
                 $this->_docCount++;
                 $this->_writer->addStoredFields($storedFields);
             }
         }
     }
 }