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_Validate |
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17 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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18 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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19 | * @version $Id: Float.php 22668 2010-07-25 14:50:46Z thomas $ |
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20 | */ |
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21 | |
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22 | /** |
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23 | * @see Zend_Validate_Abstract |
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24 | */ |
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25 | require_once 'Zend/Validate/Abstract.php'; |
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26 | |
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27 | /** |
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28 | * @see Zend_Locale_Format |
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29 | */ |
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30 | require_once 'Zend/Locale/Format.php'; |
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31 | |
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32 | /** |
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33 | * @category Zend |
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34 | * @package Zend_Validate |
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35 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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36 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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37 | */ |
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38 | class Zend_Validate_Float extends Zend_Validate_Abstract |
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39 | { |
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40 | const INVALID = 'floatInvalid'; |
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41 | const NOT_FLOAT = 'notFloat'; |
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42 | |
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43 | /** |
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44 | * @var array |
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45 | */ |
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46 | protected $_messageTemplates = array( |
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47 | self::INVALID => "Invalid type given. String, integer or float expected", |
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48 | self::NOT_FLOAT => "'%value%' does not appear to be a float", |
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49 | ); |
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50 | |
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51 | protected $_locale; |
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52 | |
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53 | /** |
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54 | * Constructor for the float validator |
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55 | * |
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56 | * @param string|Zend_Config|Zend_Locale $locale |
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57 | */ |
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58 | public function __construct($locale = null) |
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59 | { |
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60 | if ($locale instanceof Zend_Config) { |
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61 | $locale = $locale->toArray(); |
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62 | } |
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63 | |
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64 | if (is_array($locale)) { |
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65 | if (array_key_exists('locale', $locale)) { |
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66 | $locale = $locale['locale']; |
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67 | } else { |
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68 | $locale = null; |
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69 | } |
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70 | } |
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71 | |
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72 | if (empty($locale)) { |
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73 | require_once 'Zend/Registry.php'; |
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74 | if (Zend_Registry::isRegistered('Zend_Locale')) { |
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75 | $locale = Zend_Registry::get('Zend_Locale'); |
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76 | } |
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77 | } |
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78 | |
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79 | $this->setLocale($locale); |
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80 | } |
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81 | |
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82 | /** |
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83 | * Returns the set locale |
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84 | */ |
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85 | public function getLocale() |
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86 | { |
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87 | return $this->_locale; |
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88 | } |
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89 | |
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90 | /** |
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91 | * Sets the locale to use |
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92 | * |
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93 | * @param string|Zend_Locale $locale |
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94 | */ |
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95 | public function setLocale($locale = null) |
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96 | { |
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97 | require_once 'Zend/Locale.php'; |
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98 | $this->_locale = Zend_Locale::findLocale($locale); |
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99 | return $this; |
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100 | } |
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101 | |
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102 | /** |
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103 | * Defined by Zend_Validate_Interface |
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104 | * |
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105 | * Returns true if and only if $value is a floating-point value |
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106 | * |
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107 | * @param string $value |
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108 | * @return boolean |
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109 | */ |
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110 | public function isValid($value) |
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111 | { |
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112 | if (!is_string($value) && !is_int($value) && !is_float($value)) { |
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113 | $this->_error(self::INVALID); |
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114 | return false; |
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115 | } |
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116 | |
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117 | if (is_float($value)) { |
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118 | return true; |
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119 | } |
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120 | |
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121 | $this->_setValue($value); |
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122 | try { |
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123 | if (!Zend_Locale_Format::isFloat($value, array('locale' => $this->_locale))) { |
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124 | $this->_error(self::NOT_FLOAT); |
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125 | return false; |
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126 | } |
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127 | } catch (Zend_Locale_Exception $e) { |
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128 | $this->_error(self::NOT_FLOAT); |
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129 | return false; |
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130 | } |
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131 | |
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132 | return true; |
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133 | } |
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134 | } |
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