File indexing completed on 2025-03-02 05:29:45

 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Search_Lucene
  * @subpackage Storage
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 
 /** Zend_Search_Lucene_Storage_Directory */
 // require_once 'Zend/Search/Lucene/Storage/Directory.php';
 
 
 /**
  * FileSystem implementation of Directory abstraction.
  *
  * @category   Zend
  * @package    Zend_Search_Lucene
  * @subpackage Storage
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Search_Lucene_Storage_Directory_Filesystem extends Zend_Search_Lucene_Storage_Directory
 {
     /**
      * Filesystem path to the directory
      *
      * @var string
      */
     protected $_dirPath = null;
 
     /**
      * Cache for Zend_Search_Lucene_Storage_File_Filesystem objects
      * Array: filename => Zend_Search_Lucene_Storage_File object
      *
      * @var array
      * @throws Zend_Search_Lucene_Exception
      */
     protected $_fileHandlers;
 
     /**
      * Default file permissions
      *
      * @var integer
      */
     protected static $_defaultFilePermissions = 0666;
 
 
     /**
      * Get default file permissions
      *
      * @return integer
      */
     public static function getDefaultFilePermissions()
     {
         return self::$_defaultFilePermissions;
     }
 
     /**
      * Set default file permissions
      *
      * @param integer $mode
      */
     public static function setDefaultFilePermissions($mode)
     {
         self::$_defaultFilePermissions = $mode;
     }
 
 
     /**
      * Utility function to recursive directory creation
      *
      * @param string $dir
      * @param integer $mode
      * @param boolean $recursive
      * @return boolean
      */
 
     public static function mkdirs($dir, $mode = 0775, $recursive = true)
     {
         $mode = $mode & ~0002;
 
         if (($dir === null) || $dir === '') {
             return false;
         }
         if (is_dir($dir) || $dir === '/') {
             return true;
         }
         if (self::mkdirs(dirname($dir), $mode, $recursive)) {
             return mkdir($dir, $mode);
         }
         return false;
     }
 
 
     /**
      * Object constructor
      * Checks if $path is a directory or tries to create it.
      *
      * @param string $path
      * @throws Zend_Search_Lucene_Exception
      */
     public function __construct($path)
     {
         if (!is_dir($path)) {
             if (file_exists($path)) {
                 // require_once 'Zend/Search/Lucene/Exception.php';
                 throw new Zend_Search_Lucene_Exception('Path exists, but it\'s not a directory');
             } else {
                 if (!self::mkdirs($path)) {
                     // require_once 'Zend/Search/Lucene/Exception.php';
                     throw new Zend_Search_Lucene_Exception("Can't create directory '$path'.");
                 }
             }
         }
         $this->_dirPath = $path;
         $this->_fileHandlers = array();
     }
 
 
     /**
      * Closes the store.
      *
      * @return void
      */
     public function close()
     {
         foreach ($this->_fileHandlers as $fileObject) {
             $fileObject->close();
         }
 
         $this->_fileHandlers = array();
     }
 
 
     /**
      * Returns an array of strings, one for each file in the directory.
      *
      * @return array
      */
     public function fileList()
     {
         $result = array();
 
         $dirContent = opendir( $this->_dirPath );
         while (($file = readdir($dirContent)) !== false) {
             if (($file == '..')||($file == '.'))   continue;
 
             if( !is_dir($this->_dirPath . '/' . $file) ) {
                 $result[] = $file;
             }
         }
         closedir($dirContent);
 
         return $result;
     }
 
     /**
      * Creates a new, empty file in the directory with the given $filename.
      *
      * @param string $filename
      * @return Zend_Search_Lucene_Storage_File
      * @throws Zend_Search_Lucene_Exception
      */
     public function createFile($filename)
     {
         if (isset($this->_fileHandlers[$filename])) {
             $this->_fileHandlers[$filename]->close();
         }
         unset($this->_fileHandlers[$filename]);
         // require_once 'Zend/Search/Lucene/Storage/File/Filesystem.php';
         $this->_fileHandlers[$filename] = new Zend_Search_Lucene_Storage_File_Filesystem($this->_dirPath . '/' . $filename, 'w+b');
 
         // Set file permissions, but don't care about any possible failures, since file may be already
         // created by anther user which has to care about right permissions
         @chmod($this->_dirPath . '/' . $filename, self::$_defaultFilePermissions);
 
         return $this->_fileHandlers[$filename];
     }
 
 
     /**
      * Removes an existing $filename in the directory.
      *
      * @param string $filename
      * @return void
      * @throws Zend_Search_Lucene_Exception
      */
     public function deleteFile($filename)
     {
         if (isset($this->_fileHandlers[$filename])) {
             $this->_fileHandlers[$filename]->close();
         }
         unset($this->_fileHandlers[$filename]);
 
         global $php_errormsg;
         $trackErrors = ini_get('track_errors');
         ini_set('track_errors', '1');
         if (!@unlink($this->_dirPath . '/' . $filename)) {
             ini_set('track_errors', $trackErrors);
             // require_once 'Zend/Search/Lucene/Exception.php';
             throw new Zend_Search_Lucene_Exception('Can\'t delete file: ' . $php_errormsg);
         }
         ini_set('track_errors', $trackErrors);
     }
 
     /**
      * Purge file if it's cached by directory object
      *
      * Method is used to prevent 'too many open files' error
      *
      * @param string $filename
      * @return void
      */
     public function purgeFile($filename)
     {
         if (isset($this->_fileHandlers[$filename])) {
             $this->_fileHandlers[$filename]->close();
         }
         unset($this->_fileHandlers[$filename]);
     }
 
 
     /**
      * Returns true if a file with the given $filename exists.
      *
      * @param string $filename
      * @return boolean
      */
     public function fileExists($filename)
     {
         return isset($this->_fileHandlers[$filename]) ||
                file_exists($this->_dirPath . '/' . $filename);
     }
 
 
     /**
      * Returns the length of a $filename in the directory.
      *
      * @param string $filename
      * @return integer
      */
     public function fileLength($filename)
     {
         if (isset( $this->_fileHandlers[$filename] )) {
             return $this->_fileHandlers[$filename]->size();
         }
         return filesize($this->_dirPath .'/'. $filename);
     }
 
 
     /**
      * Returns the UNIX timestamp $filename was last modified.
      *
      * @param string $filename
      * @return integer
      */
     public function fileModified($filename)
     {
         return filemtime($this->_dirPath .'/'. $filename);
     }
 
 
     /**
      * Renames an existing file in the directory.
      *
      * @param string $from
      * @param string $to
      * @return void
      * @throws Zend_Search_Lucene_Exception
      */
     public function renameFile($from, $to)
     {
         global $php_errormsg;
 
         if (isset($this->_fileHandlers[$from])) {
             $this->_fileHandlers[$from]->close();
         }
         unset($this->_fileHandlers[$from]);
 
         if (isset($this->_fileHandlers[$to])) {
             $this->_fileHandlers[$to]->close();
         }
         unset($this->_fileHandlers[$to]);
 
         if (file_exists($this->_dirPath . '/' . $to)) {
             if (!unlink($this->_dirPath . '/' . $to)) {
                 // require_once 'Zend/Search/Lucene/Exception.php';
                 throw new Zend_Search_Lucene_Exception('Delete operation failed');
             }
         }
 
         $trackErrors = ini_get('track_errors');
         ini_set('track_errors', '1');
 
         $success = @rename($this->_dirPath . '/' . $from, $this->_dirPath . '/' . $to);
         if (!$success) {
             ini_set('track_errors', $trackErrors);
             // require_once 'Zend/Search/Lucene/Exception.php';
             throw new Zend_Search_Lucene_Exception($php_errormsg);
         }
 
         ini_set('track_errors', $trackErrors);
 
         return $success;
     }
 
 
     /**
      * Sets the modified time of $filename to now.
      *
      * @param string $filename
      * @return void
      */
     public function touchFile($filename)
     {
         return touch($this->_dirPath .'/'. $filename);
     }
 
 
     /**
      * Returns a Zend_Search_Lucene_Storage_File object for a given $filename in the directory.
      *
      * If $shareHandler option is true, then file handler can be shared between File Object
      * requests. It speed-ups performance, but makes problems with file position.
      * Shared handler are good for short atomic requests.
      * Non-shared handlers are useful for stream file reading (especial for compound files).
      *
      * @param string $filename
      * @param boolean $shareHandler
      * @return Zend_Search_Lucene_Storage_File
      */
     public function getFileObject($filename, $shareHandler = true)
     {
         $fullFilename = $this->_dirPath . '/' . $filename;
 
         // require_once 'Zend/Search/Lucene/Storage/File/Filesystem.php';
         if (!$shareHandler) {
             return new Zend_Search_Lucene_Storage_File_Filesystem($fullFilename);
         }
 
         if (isset( $this->_fileHandlers[$filename] )) {
             $this->_fileHandlers[$filename]->seek(0);
             return $this->_fileHandlers[$filename];
         }
 
         $this->_fileHandlers[$filename] = new Zend_Search_Lucene_Storage_File_Filesystem($fullFilename);
         return $this->_fileHandlers[$filename];
     }
 }