PHP Zend_Search_Lucene_Interface::getFieldNames方法代码示例

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if ($this->_term->field != null) {
         return $this;
     } else {
         $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
         $query->setBoost($this->getBoost());
         foreach ($index->getFieldNames(true) as $fieldName) {
             $term = new Zend_Search_Lucene_Index_Term($this->_term->text, $fieldName);
             $query->addTerm($term);
         }
         return $query->rewrite($index);
     }
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if ($this->_term->field != null) {
         return $this;
     } else {
         require_once sfConfig::get('sf_lib_dir') . '/modules/search/lib/Lucene/Search/Query/MultiTerm.php';
         $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
         $query->setBoost($this->getBoost());
         require_once sfConfig::get('sf_lib_dir') . '/modules/search/lib/Lucene/Index/Term.php';
         foreach ($index->getFieldNames(true) as $fieldName) {
             $term = new Zend_Search_Lucene_Index_Term($this->_term->text, $fieldName);
             $query->addTerm($term);
         }
         return $query->rewrite($index);
     }
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if ($this->_term->field != null) {
         return $this;
     } else {
         require_once PHP_LIBRARY_PATH . 'Zend/Search/Lucene/Search/Query/MultiTerm.php';
         $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
         $query->setBoost($this->getBoost());
         require_once PHP_LIBRARY_PATH . 'Zend/Search/Lucene/Index/Term.php';
         foreach ($index->getFieldNames(true) as $fieldName) {
             $term = new Zend_Search_Lucene_Index_Term($this->_term->text, $fieldName);
             $query->addTerm($term);
         }
         return $query->rewrite($index);
     }
 }

 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if (count($this->_terms) == 0) {
         return new Zend_Search_Lucene_Search_Query_Empty();
     } else {
         if ($this->_terms[0]->field !== null) {
             return $this;
         } else {
             $query = new Zend_Search_Lucene_Search_Query_Boolean();
             $query->setBoost($this->getBoost());
             foreach ($index->getFieldNames(true) as $fieldName) {
                 $subquery = new Zend_Search_Lucene_Search_Query_Phrase();
                 $subquery->setSlop($this->getSlop());
                 foreach ($this->_terms as $termId => $term) {
                     $qualifiedTerm = new Zend_Search_Lucene_Index_Term($term->text, $fieldName);
                     $subquery->addTerm($qualifiedTerm, $this->_offsets[$termId]);
                 }
                 $query->addSubquery($subquery);
             }
             return $query;
         }
     }
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  * @throws Zend_Search_Lucene_Exception
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     $this->_matches = array();
     if ($this->_pattern->field === null) {
         // Search through all fields
         $fields = $index->getFieldNames(true);
     } else {
         $fields = array($this->_pattern->field);
     }
     $prefix = self::_getPrefix($this->_pattern->text);
     $prefixLength = strlen($prefix);
     $matchExpression = '/^' . str_replace(array('\\?', '\\*'), array('.', '.*'), preg_quote($this->_pattern->text, '/')) . '$/';
     if ($prefixLength < self::$_minPrefixLength) {
         // require_once 'Zend/Search/Lucene/Exception.php';
         throw new Zend_Search_Lucene_Exception('At least ' . self::$_minPrefixLength . ' non-wildcard characters are required at the beginning of pattern.');
     }
     /** @todo check for PCRE unicode support may be performed through Zend_Environment in some future */
     if (@preg_match('/\\pL/u', 'a') == 1) {
         // PCRE unicode support is turned on
         // add Unicode modifier to the match expression
         $matchExpression .= 'u';
     }
     $maxTerms = Zend_Search_Lucene::getTermsPerQueryLimit();
     foreach ($fields as $field) {
         $index->resetTermsStream();
         // require_once 'Zend/Search/Lucene/Index/Term.php';
         if ($prefix != '') {
             $index->skipTo(new Zend_Search_Lucene_Index_Term($prefix, $field));
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field && substr($index->currentTerm()->text, 0, $prefixLength) == $prefix) {
                 if (preg_match($matchExpression, $index->currentTerm()->text) === 1) {
                     $this->_matches[] = $index->currentTerm();
                     if ($maxTerms != 0 && count($this->_matches) > $maxTerms) {
                         // require_once 'Zend/Search/Lucene/Exception.php';
                         throw new Zend_Search_Lucene_Exception('Terms per query limit is reached.');
                     }
                 }
                 $index->nextTerm();
             }
         } else {
             $index->skipTo(new Zend_Search_Lucene_Index_Term('', $field));
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field) {
                 if (preg_match($matchExpression, $index->currentTerm()->text) === 1) {
                     $this->_matches[] = $index->currentTerm();
                     if ($maxTerms != 0 && count($this->_matches) > $maxTerms) {
                         // require_once 'Zend/Search/Lucene/Exception.php';
                         throw new Zend_Search_Lucene_Exception('Terms per query limit is reached.');
                     }
                 }
                 $index->nextTerm();
             }
         }
         $index->closeTermsStream();
     }
     if (count($this->_matches) == 0) {
         // require_once 'Zend/Search/Lucene/Search/Query/Empty.php';
         return new Zend_Search_Lucene_Search_Query_Empty();
     } else {
         if (count($this->_matches) == 1) {
             // require_once 'Zend/Search/Lucene/Search/Query/Term.php';
             return new Zend_Search_Lucene_Search_Query_Term(reset($this->_matches));
         } else {
             // require_once 'Zend/Search/Lucene/Search/Query/MultiTerm.php';
             $rewrittenQuery = new Zend_Search_Lucene_Search_Query_MultiTerm();
             foreach ($this->_matches as $matchedTerm) {
                 $rewrittenQuery->addTerm($matchedTerm);
             }
             return $rewrittenQuery;
         }
     }
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if ($this->_field === null) {
         require_once 'Zend/Search/Lucene/Search/Query/Boolean.php';
         $query = new Zend_Search_Lucene_Search_Query_Boolean();
         $hasInsignificantSubqueries = false;
         require_once 'Zend/Search/Lucene.php';
         if (Zend_Search_Lucene::getDefaultSearchField() === null) {
             $searchFields = $index->getFieldNames(true);
         } else {
             $searchFields = array(Zend_Search_Lucene::getDefaultSearchField());
         }
         require_once 'Zend/Search/Lucene/Search/Query/Preprocessing/Fuzzy.php';
         foreach ($searchFields as $fieldName) {
             $subquery = new Zend_Search_Lucene_Search_Query_Preprocessing_Fuzzy($this->_word, $this->_encoding, $fieldName, $this->_minimumSimilarity);
             $rewrittenSubquery = $subquery->rewrite($index);
             if (!($rewrittenSubquery instanceof Zend_Search_Lucene_Search_Query_Insignificant || $rewrittenSubquery instanceof Zend_Search_Lucene_Search_Query_Empty)) {
                 $query->addSubquery($rewrittenSubquery);
             }
             if ($rewrittenSubquery instanceof Zend_Search_Lucene_Search_Query_Insignificant) {
                 $hasInsignificantSubqueries = true;
             }
         }
         $subqueries = $query->getSubqueries();
         if (count($subqueries) == 0) {
             $this->_matches = array();
             if ($hasInsignificantSubqueries) {
                 require_once 'Zend/Search/Lucene/Search/Query/Insignificant.php';
                 return new Zend_Search_Lucene_Search_Query_Insignificant();
             } else {
                 require_once 'Zend/Search/Lucene/Search/Query/Empty.php';
                 return new Zend_Search_Lucene_Search_Query_Empty();
             }
         }
         if (count($subqueries) == 1) {
             $query = reset($subqueries);
         }
         $query->setBoost($this->getBoost());
         $this->_matches = $query->getQueryTerms();
         return $query;
     }
     // -------------------------------------
     // Recognize exact term matching (it corresponds to Keyword fields stored in the index)
     // encoding is not used since we expect binary matching
     require_once 'Zend/Search/Lucene/Index/Term.php';
     $term = new Zend_Search_Lucene_Index_Term($this->_word, $this->_field);
     if ($index->hasTerm($term)) {
         require_once 'Zend/Search/Lucene/Search/Query/Fuzzy.php';
         $query = new Zend_Search_Lucene_Search_Query_Fuzzy($term, $this->_minimumSimilarity);
         $query->setBoost($this->getBoost());
         // Get rewritten query. Important! It also fills terms matching container.
         $rewrittenQuery = $query->rewrite($index);
         $this->_matches = $query->getQueryTerms();
         return $rewrittenQuery;
     }
     // -------------------------------------
     // Recognize wildcard queries
     /** @todo check for PCRE unicode support may be performed through Zend_Environment in some future */
     if (@preg_match('/\\pL/u', 'a') == 1) {
         $subPatterns = preg_split('/[*?]/u', iconv($this->_encoding, 'UTF-8', $this->_word));
     } else {
         $subPatterns = preg_split('/[*?]/', $this->_word);
     }
     if (count($subPatterns) > 1) {
         require_once 'Zend/Search/Lucene/Search/QueryParserException.php';
         throw new Zend_Search_Lucene_Search_QueryParserException('Fuzzy search doesn\'t support wildcards (except within Keyword fields).');
     }
     // -------------------------------------
     // Recognize one-term multi-term and "insignificant" queries
     require_once 'Zend/Search/Lucene/Analysis/Analyzer.php';
     $tokens = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($this->_word, $this->_encoding);
     if (count($tokens) == 0) {
         $this->_matches = array();
         require_once 'Zend/Search/Lucene/Search/Query/Insignificant.php';
         return new Zend_Search_Lucene_Search_Query_Insignificant();
     }
     if (count($tokens) == 1) {
         require_once 'Zend/Search/Lucene/Index/Term.php';
         $term = new Zend_Search_Lucene_Index_Term($tokens[0]->getTermText(), $this->_field);
         require_once 'Zend/Search/Lucene/Search/Query/Fuzzy.php';
         $query = new Zend_Search_Lucene_Search_Query_Fuzzy($term, $this->_minimumSimilarity);
         $query->setBoost($this->getBoost());
         // Get rewritten query. Important! It also fills terms matching container.
         $rewrittenQuery = $query->rewrite($index);
         $this->_matches = $query->getQueryTerms();
         return $rewrittenQuery;
     }
     // Word is tokenized into several tokens
     require_once 'Zend/Search/Lucene/Search/QueryParserException.php';
     throw new Zend_Search_Lucene_Search_QueryParserException('Fuzzy search is supported only for non-multiple word terms');
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  * @throws Zend_Search_Lucene_Exception
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     $this->_matches = array();
     $this->_scores = array();
     $this->_termKeys = array();
     if ($this->_term->field === null) {
         // Search through all fields
         $fields = $index->getFieldNames(true);
     } else {
         $fields = array($this->_term->field);
     }
     //$1 'Zend/Search/Lucene/Index/Term.php';
     $prefix = Zend_Search_Lucene_Index_Term::getPrefix($this->_term->text, $this->_prefixLength);
     $prefixByteLength = strlen($prefix);
     $prefixUtf8Length = Zend_Search_Lucene_Index_Term::getLength($prefix);
     $termLength = Zend_Search_Lucene_Index_Term::getLength($this->_term->text);
     $termRest = substr($this->_term->text, $prefixByteLength);
     // we calculate length of the rest in bytes since levenshtein() is not UTF-8 compatible
     $termRestLength = strlen($termRest);
     $scaleFactor = 1 / (1 - $this->_minimumSimilarity);
     //$1 'Zend/Search/Lucene.php';
     $maxTerms = Zend_Search_Lucene::getTermsPerQueryLimit();
     foreach ($fields as $field) {
         $index->resetTermsStream();
         //$1 'Zend/Search/Lucene/Index/Term.php';
         if ($prefix != '') {
             $index->skipTo(new Zend_Search_Lucene_Index_Term($prefix, $field));
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field && substr($index->currentTerm()->text, 0, $prefixByteLength) == $prefix) {
                 // Calculate similarity
                 $target = substr($index->currentTerm()->text, $prefixByteLength);
                 $maxDistance = isset($this->_maxDistances[strlen($target)]) ? $this->_maxDistances[strlen($target)] : $this->_calculateMaxDistance($prefixUtf8Length, $termRestLength, strlen($target));
                 if ($termRestLength == 0) {
                     // we don't have anything to compare.  That means if we just add
                     // the letters for current term we get the new word
                     $similarity = $prefixUtf8Length == 0 ? 0 : 1 - strlen($target) / $prefixUtf8Length;
                 } else {
                     if (strlen($target) == 0) {
                         $similarity = $prefixUtf8Length == 0 ? 0 : 1 - $termRestLength / $prefixUtf8Length;
                     } else {
                         if ($maxDistance < abs($termRestLength - strlen($target))) {
                             //just adding the characters of term to target or vice-versa results in too many edits
                             //for example "pre" length is 3 and "prefixes" length is 8.  We can see that
                             //given this optimal circumstance, the edit distance cannot be less than 5.
                             //which is 8-3 or more precisesly abs(3-8).
                             //if our maximum edit distance is 4, then we can discard this word
                             //without looking at it.
                             $similarity = 0;
                         } else {
                             $similarity = 1 - levenshtein($termRest, $target) / ($prefixUtf8Length + min($termRestLength, strlen($target)));
                         }
                     }
                 }
                 if ($similarity > $this->_minimumSimilarity) {
                     $this->_matches[] = $index->currentTerm();
                     $this->_termKeys[] = $index->currentTerm()->key();
                     $this->_scores[] = ($similarity - $this->_minimumSimilarity) * $scaleFactor;
                     if ($maxTerms != 0 && count($this->_matches) > $maxTerms) {
                         //$1 'Zend/Search/Lucene/Exception.php';
                         throw new Zend_Search_Lucene_Exception('Terms per query limit is reached.');
                     }
                 }
                 $index->nextTerm();
             }
         } else {
             $index->skipTo(new Zend_Search_Lucene_Index_Term('', $field));
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field) {
                 // Calculate similarity
                 $target = $index->currentTerm()->text;
                 $maxDistance = isset($this->_maxDistances[strlen($target)]) ? $this->_maxDistances[strlen($target)] : $this->_calculateMaxDistance(0, $termRestLength, strlen($target));
                 if ($maxDistance < abs($termRestLength - strlen($target))) {
                     //just adding the characters of term to target or vice-versa results in too many edits
                     //for example "pre" length is 3 and "prefixes" length is 8.  We can see that
                     //given this optimal circumstance, the edit distance cannot be less than 5.
                     //which is 8-3 or more precisesly abs(3-8).
                     //if our maximum edit distance is 4, then we can discard this word
                     //without looking at it.
                     $similarity = 0;
                 } else {
                     $similarity = 1 - levenshtein($termRest, $target) / min($termRestLength, strlen($target));
                 }
                 if ($similarity > $this->_minimumSimilarity) {
                     $this->_matches[] = $index->currentTerm();
                     $this->_termKeys[] = $index->currentTerm()->key();
                     $this->_scores[] = ($similarity - $this->_minimumSimilarity) * $scaleFactor;
                     if ($maxTerms != 0 && count($this->_matches) > $maxTerms) {
                         //$1 'Zend/Search/Lucene/Exception.php';
                         throw new Zend_Search_Lucene_Exception('Terms per query limit is reached.');
                     }
                 }
                 $index->nextTerm();
             }
         }
         $index->closeTermsStream();
//.........这里部分代码省略.........

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     // Allow to use wildcards within phrases
     // They are either removed by text analyzer or used as a part of keyword for keyword fields
     //
     //        if (strpos($this->_phrase, '?') !== false || strpos($this->_phrase, '*') !== false) {
     //            require_once 'Zend/Search/Lucene/Search/QueryParserException.php';
     //            throw new Zend_Search_Lucene_Search_QueryParserException('Wildcards are only allowed in a single terms.');
     //        }
     // Split query into subqueries if field name is not specified
     if ($this->_field === null) {
         require_once 'Zend/Search/Lucene/Search/Query/Boolean.php';
         $query = new Zend_Search_Lucene_Search_Query_Boolean();
         $query->setBoost($this->getBoost());
         require_once 'Zend/Search/Lucene.php';
         if (Zend_Search_Lucene::getDefaultSearchField() === null) {
             $searchFields = $index->getFieldNames(true);
         } else {
             $searchFields = array(Zend_Search_Lucene::getDefaultSearchField());
         }
         foreach ($searchFields as $fieldName) {
             $subquery = new Zend_Search_Lucene_Search_Query_Preprocessing_Phrase($this->_phrase, $this->_phraseEncoding, $fieldName);
             $subquery->setSlop($this->getSlop());
             $query->addSubquery($subquery->rewrite($index));
         }
         $this->_matches = $query->getQueryTerms();
         return $query;
     }
     // Recognize exact term matching (it corresponds to Keyword fields stored in the index)
     // encoding is not used since we expect binary matching
     require_once 'Zend/Search/Lucene/Index/Term.php';
     $term = new Zend_Search_Lucene_Index_Term($this->_phrase, $this->_field);
     if ($index->hasTerm($term)) {
         require_once 'Zend/Search/Lucene/Search/Query/Term.php';
         $query = new Zend_Search_Lucene_Search_Query_Term($term);
         $query->setBoost($this->getBoost());
         $this->_matches = $query->getQueryTerms();
         return $query;
     }
     // tokenize phrase using current analyzer and process it as a phrase query
     require_once 'Zend/Search/Lucene/Analysis/Analyzer.php';
     $tokens = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($this->_phrase, $this->_phraseEncoding);
     if (count($tokens) == 0) {
         $this->_matches = array();
         require_once 'Zend/Search/Lucene/Search/Query/Insignificant.php';
         return new Zend_Search_Lucene_Search_Query_Insignificant();
     }
     if (count($tokens) == 1) {
         require_once 'Zend/Search/Lucene/Index/Term.php';
         $term = new Zend_Search_Lucene_Index_Term($tokens[0]->getTermText(), $this->_field);
         require_once 'Zend/Search/Lucene/Search/Query/Term.php';
         $query = new Zend_Search_Lucene_Search_Query_Term($term);
         $query->setBoost($this->getBoost());
         $this->_matches = $query->getQueryTerms();
         return $query;
     }
     //It's non-trivial phrase query
     $position = -1;
     require_once 'Zend/Search/Lucene/Search/Query/Phrase.php';
     $query = new Zend_Search_Lucene_Search_Query_Phrase();
     require_once 'Zend/Search/Lucene/Index/Term.php';
     foreach ($tokens as $token) {
         $position += $token->getPositionIncrement();
         $term = new Zend_Search_Lucene_Index_Term($token->getTermText(), $this->_field);
         $query->addTerm($term, $position);
         $query->setSlop($this->getSlop());
     }
     $this->_matches = $query->getQueryTerms();
     return $query;
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     $this->_matches = array();
     if ($this->_field === null) {
         // Search through all fields
         $fields = $index->getFieldNames(true);
     } else {
         $fields = array($this->_field);
     }
     foreach ($fields as $field) {
         $index->resetTermsStream();
         if ($this->_lowerTerm !== null) {
             $lowerTerm = new Zend_Search_Lucene_Index_Term($this->_lowerTerm->text, $field);
             $index->skipTo($lowerTerm);
             if (!$this->_inclusive && $index->currentTerm() == $lowerTerm) {
                 // Skip lower term
                 $index->nextTerm();
             }
         } else {
             $index->skipTo(new Zend_Search_Lucene_Index_Term('', $field));
         }
         if ($this->_upperTerm !== null) {
             // Walk up to the upper term
             $upperTerm = new Zend_Search_Lucene_Index_Term($this->_upperTerm->text, $field);
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field && $index->currentTerm()->text < $upperTerm->text) {
                 $this->_matches[] = $index->currentTerm();
                 $index->nextTerm();
             }
             if ($this->_inclusive && $index->currentTerm() == $upperTerm) {
                 // Include upper term into result
                 $this->_matches[] = $upperTerm;
             }
         } else {
             // Walk up to the end of field data
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field) {
                 $this->_matches[] = $index->currentTerm();
                 $index->nextTerm();
             }
         }
         $index->closeTermsStream();
     }
     if (count($this->_matches) == 0) {
         return new Zend_Search_Lucene_Search_Query_Empty();
     } else {
         if (count($this->_matches) == 1) {
             return new Zend_Search_Lucene_Search_Query_Term(reset($this->_matches));
         } else {
             $rewrittenQuery = new Zend_Search_Lucene_Search_Query_MultiTerm();
             foreach ($this->_matches as $matchedTerm) {
                 $rewrittenQuery->addTerm($matchedTerm);
             }
             return $rewrittenQuery;
         }
     }
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if ($this->_field === null) {
         require_once 'Zend/Search/Lucene/Search/Query/MultiTerm.php';
         $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
         $query->setBoost($this->getBoost());
         $hasInsignificantSubqueries = false;
         require_once 'Zend/Search/Lucene.php';
         if (Zend_Search_Lucene::getDefaultSearchField() === null) {
             $searchFields = $index->getFieldNames(true);
         } else {
             $searchFields = array(Zend_Search_Lucene::getDefaultSearchField());
         }
         require_once 'Zend/Search/Lucene/Search/Query/Preprocessing/Term.php';
         foreach ($searchFields as $fieldName) {
             $subquery = new Zend_Search_Lucene_Search_Query_Preprocessing_Term($this->_word, $this->_encoding, $fieldName);
             $rewrittenSubquery = $subquery->rewrite($index);
             foreach ($rewrittenSubquery->getQueryTerms() as $term) {
                 $query->addTerm($term);
             }
             if ($rewrittenSubquery instanceof Zend_Search_Lucene_Search_Query_Insignificant) {
                 $hasInsignificantSubqueries = true;
             }
         }
         if (count($query->getTerms()) == 0) {
             $this->_matches = array();
             if ($hasInsignificantSubqueries) {
                 require_once 'Zend/Search/Lucene/Search/Query/Insignificant.php';
                 return new Zend_Search_Lucene_Search_Query_Insignificant();
             } else {
                 require_once 'Zend/Search/Lucene/Search/Query/Empty.php';
                 return new Zend_Search_Lucene_Search_Query_Empty();
             }
         }
         $this->_matches = $query->getQueryTerms();
         return $query;
     }
     // -------------------------------------
     // Recognize exact term matching (it corresponds to Keyword fields stored in the index)
     // encoding is not used since we expect binary matching
     require_once 'Zend/Search/Lucene/Index/Term.php';
     $term = new Zend_Search_Lucene_Index_Term($this->_word, $this->_field);
     if ($index->hasTerm($term)) {
         require_once 'Zend/Search/Lucene/Search/Query/Term.php';
         $query = new Zend_Search_Lucene_Search_Query_Term($term);
         $query->setBoost($this->getBoost());
         $this->_matches = $query->getQueryTerms();
         return $query;
     }
     // -------------------------------------
     // Recognize wildcard queries
     /** @todo check for PCRE unicode support may be performed through Zend_Environment in some future */
     if (@preg_match('/\\pL/u', 'a') == 1) {
         $word = iconv($this->_encoding, 'UTF-8', $this->_word);
         $wildcardsPattern = '/[*?]/u';
         $subPatternsEncoding = 'UTF-8';
     } else {
         $word = $this->_word;
         $wildcardsPattern = '/[*?]/';
         $subPatternsEncoding = $this->_encoding;
     }
     $subPatterns = preg_split($wildcardsPattern, $word, -1, PREG_SPLIT_OFFSET_CAPTURE);
     if (count($subPatterns) > 1) {
         // Wildcard query is recognized
         $pattern = '';
         require_once 'Zend/Search/Lucene/Analysis/Analyzer.php';
         foreach ($subPatterns as $id => $subPattern) {
             // Append corresponding wildcard character to the pattern before each sub-pattern (except first)
             if ($id != 0) {
                 $pattern .= $word[$subPattern[1] - 1];
             }
             // Check if each subputtern is a single word in terms of current analyzer
             $tokens = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($subPattern[0], $subPatternsEncoding);
             if (count($tokens) > 1) {
                 require_once 'Zend/Search/Lucene/Search/QueryParserException.php';
                 throw new Zend_Search_Lucene_Search_QueryParserException('Wildcard search is supported only for non-multiple word terms');
             }
             foreach ($tokens as $token) {
                 $pattern .= $token->getTermText();
             }
         }
         require_once 'Zend/Search/Lucene/Index/Term.php';
         $term = new Zend_Search_Lucene_Index_Term($pattern, $this->_field);
         require_once 'Zend/Search/Lucene/Search/Query/Wildcard.php';
         $query = new Zend_Search_Lucene_Search_Query_Wildcard($term);
         $query->setBoost($this->getBoost());
         // Get rewritten query. Important! It also fills terms matching container.
         $rewrittenQuery = $query->rewrite($index);
         $this->_matches = $query->getQueryTerms();
         return $rewrittenQuery;
     }
     // -------------------------------------
     // Recognize one-term multi-term and "insignificant" queries
     require_once 'Zend/Search/Lucene/Analysis/Analyzer.php';
//.........这里部分代码省略.........

 /**
  * Returns a list of all unique field names that exist in this index.
  *
  * @param boolean $indexed
  * @return array
  */
 public function getFieldNames($indexed = false)
 {
     return $this->_index->getFieldNames($indexed);
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     $this->_matches = array();
     if ($this->_field === null) {
         // Search through all fields
         $fields = $index->getFieldNames(true);
     } else {
         $fields = array($this->_field);
     }
     // require_once 'Zend/Search/Lucene.php';
     $maxTerms = Zend_Search_Lucene::getTermsPerQueryLimit();
     foreach ($fields as $field) {
         $index->resetTermsStream();
         // require_once 'Zend/Search/Lucene/Index/Term.php';
         if ($this->_lowerTerm !== null) {
             $lowerTerm = new Zend_Search_Lucene_Index_Term($this->_lowerTerm->text, $field);
             $index->skipTo($lowerTerm);
             if (!$this->_inclusive && $index->currentTerm() == $lowerTerm) {
                 // Skip lower term
                 $index->nextTerm();
             }
         } else {
             $index->skipTo(new Zend_Search_Lucene_Index_Term('', $field));
         }
         if ($this->_upperTerm !== null) {
             // Walk up to the upper term
             $upperTerm = new Zend_Search_Lucene_Index_Term($this->_upperTerm->text, $field);
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field && strcmp($index->currentTerm()->text, $upperTerm->text) < 0) {
                 $this->_matches[] = $index->currentTerm();
                 if ($maxTerms != 0 && count($this->_matches) > $maxTerms) {
                     // require_once 'Zend/Search/Lucene/Exception.php';
                     throw new Zend_Search_Lucene_Exception('Terms per query limit is reached.');
                 }
                 $index->nextTerm();
             }
             if ($this->_inclusive && $index->currentTerm() == $upperTerm) {
                 // Include upper term into result
                 $this->_matches[] = $upperTerm;
             }
         } else {
             // Walk up to the end of field data
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field) {
                 $this->_matches[] = $index->currentTerm();
                 if ($maxTerms != 0 && count($this->_matches) > $maxTerms) {
                     // require_once 'Zend/Search/Lucene/Exception.php';
                     throw new Zend_Search_Lucene_Exception('Terms per query limit is reached.');
                 }
                 $index->nextTerm();
             }
         }
         $index->closeTermsStream();
     }
     if (count($this->_matches) == 0) {
         // require_once 'Zend/Search/Lucene/Search/Query/Empty.php';
         return new Zend_Search_Lucene_Search_Query_Empty();
     } else {
         if (count($this->_matches) == 1) {
             // require_once 'Zend/Search/Lucene/Search/Query/Term.php';
             return new Zend_Search_Lucene_Search_Query_Term(reset($this->_matches));
         } else {
             // require_once 'Zend/Search/Lucene/Search/Query/MultiTerm.php';
             $rewrittenQuery = new Zend_Search_Lucene_Search_Query_MultiTerm();
             foreach ($this->_matches as $matchedTerm) {
                 $rewrittenQuery->addTerm($matchedTerm);
             }
             return $rewrittenQuery;
         }
     }
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     $this->_matches = array();
     if ($this->_pattern->field === null) {
         // Search through all fields
         $fields = $index->getFieldNames(true);
     } else {
         $fields = array($this->_pattern->field);
     }
     $prefix = self::_getPrefix($this->_pattern->text);
     $prefixLength = strlen($prefix);
     $matchExpression = '/^' . str_replace(array('\\?', '\\*'), array('.', '.*'), preg_quote($this->_pattern->text, '/')) . '$/';
     /** @todo check for PCRE unicode support may be performed through Zend_Environment in some future */
     if (@preg_match('/\\pL/u', 'a') == 1) {
         // PCRE unicode support is turned on
         // add Unicode modifier to the match expression
         $matchExpression .= 'u';
     }
     foreach ($fields as $field) {
         $index->resetTermsStream();
         if ($prefix != '') {
             $index->skipTo(new Zend_Search_Lucene_Index_Term($prefix, $field));
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field && substr($index->currentTerm()->text, 0, $prefixLength) == $prefix) {
                 if (preg_match($matchExpression, $index->currentTerm()->text) === 1) {
                     $this->_matches[] = $index->currentTerm();
                 }
                 $index->nextTerm();
             }
         } else {
             $index->skipTo(new Zend_Search_Lucene_Index_Term('', $field));
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field) {
                 if (preg_match($matchExpression, $index->currentTerm()->text) === 1) {
                     $this->_matches[] = $index->currentTerm();
                 }
                 $index->nextTerm();
             }
         }
         $index->closeTermsStream();
     }
     if (count($this->_matches) == 0) {
         return new Zend_Search_Lucene_Search_Query_Empty();
     } else {
         if (count($this->_matches) == 1) {
             return new Zend_Search_Lucene_Search_Query_Term(reset($this->_matches));
         } else {
             $rewrittenQuery = new Zend_Search_Lucene_Search_Query_MultiTerm();
             foreach ($this->_matches as $matchedTerm) {
                 $rewrittenQuery->addTerm($matchedTerm);
             }
             return $rewrittenQuery;
         }
     }
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if (count($this->_terms) == 0) {
         require_once sfConfig::get('sf_lib_dir') . '/modules/search/lib/Lucene/Search/Query/Empty.php';
         return new Zend_Search_Lucene_Search_Query_Empty();
     } else {
         if ($this->_terms[0]->field !== null) {
             return $this;
         } else {
             require_once sfConfig::get('sf_lib_dir') . '/modules/search/lib/Lucene/Search/Query/Boolean.php';
             $query = new Zend_Search_Lucene_Search_Query_Boolean();
             $query->setBoost($this->getBoost());
             foreach ($index->getFieldNames(true) as $fieldName) {
                 $subquery = new Zend_Search_Lucene_Search_Query_Phrase();
                 $subquery->setSlop($this->getSlop());
                 require_once sfConfig::get('sf_lib_dir') . '/modules/search/lib/Lucene/Index/Term.php';
                 foreach ($this->_terms as $termId => $term) {
                     $qualifiedTerm = new Zend_Search_Lucene_Index_Term($term->text, $fieldName);
                     $subquery->addTerm($qualifiedTerm, $this->_offsets[$termId]);
                 }
                 $query->addSubquery($subquery);
             }
             return $query;
         }
     }
 }

 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     $this->_matches = array();
     if ($this->_field === null) {
         $fields = $index->getFieldNames(true);
     } else {
         $fields = array($this->_field);
     }
     $maxTerms = Zend_Search_Lucene::getTermsPerQueryLimit();
     foreach ($fields as $field) {
         $index->resetTermsStream();
         if ($this->_lowerTerm !== null) {
             $lowerTerm = new Zend_Search_Lucene_Index_Term($this->_lowerTerm->text, $field);
             $index->skipTo($lowerTerm);
             if (!$this->_inclusive && $index->currentTerm() == $lowerTerm) {
                 $index->nextTerm();
             }
         } else {
             $index->skipTo(new Zend_Search_Lucene_Index_Term('', $field));
         }
         if ($this->_upperTerm !== null) {
             $upperTerm = new Zend_Search_Lucene_Index_Term($this->_upperTerm->text, $field);
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field && strcmp($index->currentTerm()->text, $upperTerm->text) < 0) {
                 $this->_matches[] = $index->currentTerm();
                 if ($maxTerms != 0 && count($this->_matches) > $maxTerms) {
                     throw new Zend_Search_Lucene_Exception('Terms per query limit is reached.');
                 }
                 $index->nextTerm();
             }
             if ($this->_inclusive && $index->currentTerm() == $upperTerm) {
                 $this->_matches[] = $upperTerm;
             }
         } else {
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field) {
                 $this->_matches[] = $index->currentTerm();
                 if ($maxTerms != 0 && count($this->_matches) > $maxTerms) {
                     throw new Zend_Search_Lucene_Exception('Terms per query limit is reached.');
                 }
                 $index->nextTerm();
             }
         }
         $index->closeTermsStream();
     }
     if (count($this->_matches) == 0) {
         return new Zend_Search_Lucene_Search_Query_Empty();
     } else {
         if (count($this->_matches) == 1) {
             return new Zend_Search_Lucene_Search_Query_Term(reset($this->_matches));
         } else {
             $rewrittenQuery = new Zend_Search_Lucene_Search_Query_MultiTerm();
             foreach ($this->_matches as $matchedTerm) {
                 $rewrittenQuery->addTerm($matchedTerm);
             }
             return $rewrittenQuery;
         }
     }
 }