1 <?php
  2 /**
  3  * This file is part of phpMorphy library
  4  *
  5  * Copyright c 2007-2008 Kamaev Vladimir <heromantor@users.sourceforge.net>
  6  *
  7  * This library is free software; you can redistribute it and/or
  8  * modify it under the terms of the GNU Lesser General Public
  9  * License as published by the Free Software Foundation; either
 10  * version 2 of the License, or (at your option) any later version.
 11  *
 12  * This library is distributed in the hope that it will be useful,
 13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 15  * Lesser General Public License for more details.
 16  *
 17  * You should have received a copy of the GNU Lesser General Public
 18  * License along with this library; if not, write to the
 19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 20  * Boston, MA 02111-1307, USA.
 21  */
 22 
 23 define('PHPMORPHY_SOURCE_FSA', 'fsa');
 24 define('PHPMORPHY_SOURCE_DBA', 'dba');
 25 define('PHPMORPHY_SOURCE_SQL', 'sql');
 26 
 27 interface phpMorphy_Source_Interface {
 28     function getValue($key);
 29 }
 30 
 31 class phpMorphy_Source_Fsa implements phpMorphy_Source_Interface {
 32     protected
 33         $fsa,
 34         $root;
 35     
 36     function __construct(phpMorphy_Fsa_Interface $fsa) {
 37         $this->fsa = $fsa;
 38         $this->root = $fsa->getRootTrans();
 39     }
 40     
 41     function getFsa() {
 42         return $this->fsa;
 43     }
 44     
 45     function getValue($key) {
 46         if(false === ($result = $this->fsa->walk($this->root, $key, true)) || !$result['annot']) {
 47             return false;
 48         }
 49         
 50         return $result['annot'];
 51     }
 52 }
 53 
 54 class phpMorphy_Source_Dba implements phpMorphy_Source_Interface {
 55     const DEFAULT_HANDLER = 'db3';
 56     
 57     protected $handle;
 58     
 59     function __construct($fileName, $options = null) {
 60         $this->handle = $this->openFile($fileName, $this->repairOptions($options));
 61     }
 62     
 63     function close() {
 64         if(isset($this->handle)) {
 65             dba_close($this->handle);
 66             $this->handle = null;
 67         }
 68     }
 69     
 70     static function getDefaultHandler() {
 71         return self::DEFAULT_HANDLER;
 72     }
 73     
 74     protected function openFile($fileName, $options) {
 75         if(false === ($new_filename = realpath($fileName))) {
 76             throw new phpMorphy_Exception("Can`t get realpath for '$fileName' file");
 77         }
 78         
 79         $lock_mode = $options['lock_mode'];
 80         $handler = $options['handler'];
 81         $func = $options['persistent'] ? 'dba_popen' : 'dba_open';
 82         
 83         if(false === ($result = $func($new_filename, "r$lock_mode", $handler))) {
 84             throw new phpMorphy_Exception("Can`t open '$fileFile' file");
 85         }
 86         
 87         return $result;
 88     }
 89     
 90     protected function repairOptions($options) {
 91         $defaults = array(
 92             'lock_mode' => 'd',
 93             'handler' => self::getDefaultHandler(),
 94             'persistent' => false
 95         );
 96         
 97         return (array)$options + $defaults;
 98     }
 99     
100     function getValue($key) {
101         return dba_fetch($key, $this->handle);
102     }
103 }
104