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: NotEmpty.php 22691 2010-07-26 19:29:14Z 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 | * @category Zend |
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29 | * @package Zend_Validate |
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30 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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31 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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32 | */ |
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33 | class Zend_Validate_NotEmpty extends Zend_Validate_Abstract |
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34 | { |
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35 | const BOOLEAN = 1; |
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36 | const INTEGER = 2; |
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37 | const FLOAT = 4; |
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38 | const STRING = 8; |
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39 | const ZERO = 16; |
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40 | const EMPTY_ARRAY = 32; |
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41 | const NULL = 64; |
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42 | const PHP = 127; |
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43 | const SPACE = 128; |
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44 | const OBJECT = 256; |
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45 | const OBJECT_STRING = 512; |
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46 | const OBJECT_COUNT = 1024; |
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47 | const ALL = 2047; |
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48 | |
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49 | const INVALID = 'notEmptyInvalid'; |
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50 | const IS_EMPTY = 'isEmpty'; |
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51 | |
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52 | protected $_constants = array( |
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53 | self::BOOLEAN => 'boolean', |
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54 | self::INTEGER => 'integer', |
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55 | self::FLOAT => 'float', |
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56 | self::STRING => 'string', |
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57 | self::ZERO => 'zero', |
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58 | self::EMPTY_ARRAY => 'array', |
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59 | self::NULL => 'null', |
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60 | self::PHP => 'php', |
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61 | self::SPACE => 'space', |
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62 | self::OBJECT => 'object', |
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63 | self::OBJECT_STRING => 'objectstring', |
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64 | self::OBJECT_COUNT => 'objectcount', |
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65 | self::ALL => 'all', |
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66 | ); |
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67 | |
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68 | /** |
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69 | * @var array |
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70 | */ |
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71 | protected $_messageTemplates = array( |
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72 | self::IS_EMPTY => "Value is required and can't be empty", |
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73 | self::INVALID => "Invalid type given. String, integer, float, boolean or array expected", |
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74 | ); |
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75 | |
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76 | /** |
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77 | * Internal type to detect |
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78 | * |
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79 | * @var integer |
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80 | */ |
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81 | protected $_type = 493; |
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82 | |
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83 | /** |
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84 | * Constructor |
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85 | * |
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86 | * @param string|array|Zend_Config $options OPTIONAL |
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87 | */ |
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88 | public function __construct($options = null) |
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89 | { |
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90 | if ($options instanceof Zend_Config) { |
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91 | $options = $options->toArray(); |
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92 | } else if (!is_array($options)) { |
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93 | $options = func_get_args(); |
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94 | $temp = array(); |
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95 | if (!empty($options)) { |
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96 | $temp['type'] = array_shift($options); |
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97 | } |
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98 | |
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99 | $options = $temp; |
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100 | } |
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101 | |
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102 | if (is_array($options) && array_key_exists('type', $options)) { |
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103 | $this->setType($options['type']); |
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104 | } |
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105 | } |
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106 | |
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107 | /** |
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108 | * Returns the set types |
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109 | * |
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110 | * @return array |
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111 | */ |
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112 | public function getType() |
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113 | { |
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114 | return $this->_type; |
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115 | } |
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116 | |
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117 | /** |
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118 | * Set the types |
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119 | * |
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120 | * @param integer|array $type |
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121 | * @throws Zend_Validate_Exception |
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122 | * @return Zend_Validate_NotEmpty |
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123 | */ |
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124 | public function setType($type = null) |
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125 | { |
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126 | if (is_array($type)) { |
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127 | $detected = 0; |
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128 | foreach($type as $value) { |
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129 | if (is_int($value)) { |
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130 | $detected += $value; |
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131 | } else if (in_array($value, $this->_constants)) { |
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132 | $detected += array_search($value, $this->_constants); |
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133 | } |
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134 | } |
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135 | |
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136 | $type = $detected; |
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137 | } else if (is_string($type) && in_array($type, $this->_constants)) { |
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138 | $type = array_search($type, $this->_constants); |
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139 | } |
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140 | |
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141 | if (!is_int($type) || ($type < 0) || ($type > self::ALL)) { |
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142 | require_once 'Zend/Validate/Exception.php'; |
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143 | throw new Zend_Validate_Exception('Unknown type'); |
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144 | } |
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145 | |
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146 | $this->_type = $type; |
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147 | return $this; |
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148 | } |
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149 | |
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150 | /** |
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151 | * Defined by Zend_Validate_Interface |
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152 | * |
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153 | * Returns true if and only if $value is not an empty value. |
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154 | * |
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155 | * @param string $value |
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156 | * @return boolean |
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157 | */ |
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158 | public function isValid($value) |
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159 | { |
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160 | if ($value !== null && !is_string($value) && !is_int($value) && !is_float($value) && |
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161 | !is_bool($value) && !is_array($value) && !is_object($value)) { |
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162 | $this->_error(self::INVALID); |
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163 | return false; |
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164 | } |
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165 | |
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166 | $type = $this->getType(); |
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167 | $this->_setValue($value); |
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168 | $object = false; |
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169 | |
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170 | // OBJECT_COUNT (countable object) |
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171 | if ($type >= self::OBJECT_COUNT) { |
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172 | $type -= self::OBJECT_COUNT; |
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173 | $object = true; |
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174 | |
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175 | if (is_object($value) && ($value instanceof Countable) && (count($value) == 0)) { |
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176 | $this->_error(self::IS_EMPTY); |
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177 | return false; |
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178 | } |
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179 | } |
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180 | |
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181 | // OBJECT_STRING (object's toString) |
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182 | if ($type >= self::OBJECT_STRING) { |
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183 | $type -= self::OBJECT_STRING; |
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184 | $object = true; |
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185 | |
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186 | if ((is_object($value) && (!method_exists($value, '__toString'))) || |
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187 | (is_object($value) && (method_exists($value, '__toString')) && (((string) $value) == ""))) { |
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188 | $this->_error(self::IS_EMPTY); |
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189 | return false; |
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190 | } |
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191 | } |
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192 | |
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193 | // OBJECT (object) |
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194 | if ($type >= self::OBJECT) { |
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195 | $type -= self::OBJECT; |
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196 | // fall trough, objects are always not empty |
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197 | } else if ($object === false) { |
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198 | // object not allowed but object given -> return false |
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199 | if (is_object($value)) { |
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200 | $this->_error(self::IS_EMPTY); |
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201 | return false; |
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202 | } |
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203 | } |
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204 | |
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205 | // SPACE (' ') |
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206 | if ($type >= self::SPACE) { |
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207 | $type -= self::SPACE; |
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208 | if (is_string($value) && (preg_match('/^\s+$/s', $value))) { |
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209 | $this->_error(self::IS_EMPTY); |
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210 | return false; |
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211 | } |
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212 | } |
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213 | |
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214 | // NULL (null) |
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215 | if ($type >= self::NULL) { |
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216 | $type -= self::NULL; |
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217 | if ($value === null) { |
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218 | $this->_error(self::IS_EMPTY); |
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219 | return false; |
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220 | } |
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221 | } |
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222 | |
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223 | // EMPTY_ARRAY (array()) |
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224 | if ($type >= self::EMPTY_ARRAY) { |
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225 | $type -= self::EMPTY_ARRAY; |
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226 | if (is_array($value) && ($value == array())) { |
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227 | $this->_error(self::IS_EMPTY); |
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228 | return false; |
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229 | } |
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230 | } |
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231 | |
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232 | // ZERO ('0') |
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233 | if ($type >= self::ZERO) { |
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234 | $type -= self::ZERO; |
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235 | if (is_string($value) && ($value == '0')) { |
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236 | $this->_error(self::IS_EMPTY); |
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237 | return false; |
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238 | } |
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239 | } |
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240 | |
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241 | // STRING ('') |
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242 | if ($type >= self::STRING) { |
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243 | $type -= self::STRING; |
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244 | if (is_string($value) && ($value == '')) { |
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245 | $this->_error(self::IS_EMPTY); |
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246 | return false; |
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247 | } |
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248 | } |
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249 | |
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250 | // FLOAT (0.0) |
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251 | if ($type >= self::FLOAT) { |
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252 | $type -= self::FLOAT; |
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253 | if (is_float($value) && ($value == 0.0)) { |
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254 | $this->_error(self::IS_EMPTY); |
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255 | return false; |
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256 | } |
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257 | } |
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258 | |
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259 | // INTEGER (0) |
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260 | if ($type >= self::INTEGER) { |
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261 | $type -= self::INTEGER; |
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262 | if (is_int($value) && ($value == 0)) { |
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263 | $this->_error(self::IS_EMPTY); |
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264 | return false; |
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265 | } |
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266 | } |
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267 | |
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268 | // BOOLEAN (false) |
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269 | if ($type >= self::BOOLEAN) { |
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270 | $type -= self::BOOLEAN; |
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271 | if (is_bool($value) && ($value == false)) { |
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272 | $this->_error(self::IS_EMPTY); |
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273 | return false; |
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274 | } |
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275 | } |
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276 | |
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277 | return true; |
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278 | } |
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279 | } |
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