1 | <?php |
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2 | /** |
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3 | * Zend Framework |
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4 | * |
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5 | * LICENSE |
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6 | * |
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7 | * This source file is subject to the new BSD license that is bundled |
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8 | * with this package in the file LICENSE.txt. |
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9 | * It is also available through the world-wide-web at this URL: |
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10 | * http://framework.zend.com/license/new-bsd |
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11 | * If you did not receive a copy of the license and are unable to |
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12 | * obtain it through the world-wide-web, please send an email |
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13 | * to license@zend.com so we can send you a copy immediately. |
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14 | * |
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15 | * @category Zend |
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16 | * @package Zend_Ldap |
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17 | * @subpackage Filter |
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18 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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19 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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20 | * @version $Id: Logical.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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21 | */ |
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22 | |
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23 | /** |
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24 | * @see Zend_Ldap_Filter_Abstract |
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25 | */ |
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26 | require_once 'Zend/Ldap/Filter/Abstract.php'; |
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27 | /** |
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28 | * @see Zend_Ldap_Filter_String |
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29 | */ |
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30 | require_once 'Zend/Ldap/Filter/String.php'; |
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31 | |
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32 | /** |
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33 | * Zend_Ldap_Filter_Logical provides a base implementation for a grouping filter. |
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34 | * |
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35 | * @category Zend |
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36 | * @package Zend_Ldap |
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37 | * @subpackage Filter |
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38 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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39 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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40 | */ |
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41 | abstract class Zend_Ldap_Filter_Logical extends Zend_Ldap_Filter_Abstract |
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42 | { |
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43 | const TYPE_AND = '&'; |
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44 | const TYPE_OR = '|'; |
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45 | |
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46 | /** |
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47 | * All the sub-filters for this grouping filter. |
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48 | * |
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49 | * @var array |
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50 | */ |
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51 | private $_subfilters; |
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52 | |
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53 | /** |
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54 | * The grouping symbol. |
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55 | * |
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56 | * @var string |
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57 | */ |
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58 | private $_symbol; |
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59 | |
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60 | /** |
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61 | * Creates a new grouping filter. |
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62 | * |
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63 | * @param array $subfilters |
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64 | * @param string $symbol |
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65 | */ |
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66 | protected function __construct(array $subfilters, $symbol) |
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67 | { |
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68 | foreach ($subfilters as $key => $s) { |
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69 | if (is_string($s)) $subfilters[$key] = new Zend_Ldap_Filter_String($s); |
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70 | else if (!($s instanceof Zend_Ldap_Filter_Abstract)) { |
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71 | /** |
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72 | * @see Zend_Ldap_Filter_Exception |
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73 | */ |
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74 | require_once 'Zend/Ldap/Filter/Exception.php'; |
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75 | throw new Zend_Ldap_Filter_Exception('Only strings or Zend_Ldap_Filter_Abstract allowed.'); |
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76 | } |
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77 | } |
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78 | $this->_subfilters = $subfilters; |
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79 | $this->_symbol = $symbol; |
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80 | } |
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81 | |
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82 | /** |
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83 | * Adds a filter to this grouping filter. |
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84 | * |
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85 | * @param Zend_Ldap_Filter_Abstract $filter |
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86 | * @return Zend_Ldap_Filter_Logical |
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87 | */ |
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88 | public function addFilter(Zend_Ldap_Filter_Abstract $filter) |
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89 | { |
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90 | $new = clone $this; |
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91 | $new->_subfilters[] = $filter; |
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92 | return $new; |
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93 | } |
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94 | |
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95 | /** |
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96 | * Returns a string representation of the filter. |
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97 | * |
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98 | * @return string |
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99 | */ |
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100 | public function toString() |
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101 | { |
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102 | $return = '(' . $this->_symbol; |
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103 | foreach ($this->_subfilters as $sub) $return .= $sub->toString(); |
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104 | $return .= ')'; |
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105 | return $return; |
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106 | } |
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107 | } |
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