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Count.php
285 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Zend Framework |
| 4 | * |
| 5 | * LICENSE |
| 6 | * |
| 7 | * This source file is subject to the new BSD license that is bundled |
| 8 | * with this package in the file LICENSE.txt. |
| 9 | * It is also available through the world-wide-web at this URL: |
| 10 | * http://framework.zend.com/license/new-bsd |
| 11 | * If you did not receive a copy of the license and are unable to |
| 12 | * obtain it through the world-wide-web, please send an email |
| 13 | * to license@zend.com so we can send you a copy immediately. |
| 14 | * |
| 15 | * @category Zend |
| 16 | * @package Zend_Validate |
| 17 | * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) |
| 18 | * @license http://framework.zend.com/license/new-bsd New BSD License |
| 19 | * @version $Id: Count.php 23775 2011-03-01 17:25:24Z ralph $ |
| 20 | */ |
| 21 | |
| 22 | /** |
| 23 | * @see Zend_Validate_Abstract |
| 24 | */ |
| 25 | // require_once 'Zend/Validate/Abstract.php'; |
| 26 | |
| 27 | /** |
| 28 | * Validator for counting all given files |
| 29 | * |
| 30 | * @category Zend |
| 31 | * @package Zend_Validate |
| 32 | * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) |
| 33 | * @license http://framework.zend.com/license/new-bsd New BSD License |
| 34 | */ |
| 35 | class Zend_Validate_File_Count extends Zend_Validate_Abstract |
| 36 | { |
| 37 | /**#@+ |
| 38 | * @const string Error constants |
| 39 | */ |
| 40 | const TOO_MANY = 'fileCountTooMany'; |
| 41 | const TOO_FEW = 'fileCountTooFew'; |
| 42 | /**#@-*/ |
| 43 | |
| 44 | /** |
| 45 | * @var array Error message templates |
| 46 | */ |
| 47 | protected $_messageTemplates = array( |
| 48 | self::TOO_MANY => "Too many files, maximum '%max%' are allowed but '%count%' are given", |
| 49 | self::TOO_FEW => "Too few files, minimum '%min%' are expected but '%count%' are given", |
| 50 | ); |
| 51 | |
| 52 | /** |
| 53 | * @var array Error message template variables |
| 54 | */ |
| 55 | protected $_messageVariables = array( |
| 56 | 'min' => '_min', |
| 57 | 'max' => '_max', |
| 58 | 'count' => '_count' |
| 59 | ); |
| 60 | |
| 61 | /** |
| 62 | * Minimum file count |
| 63 | * |
| 64 | * If null, there is no minimum file count |
| 65 | * |
| 66 | * @var integer |
| 67 | */ |
| 68 | protected $_min; |
| 69 | |
| 70 | /** |
| 71 | * Maximum file count |
| 72 | * |
| 73 | * If null, there is no maximum file count |
| 74 | * |
| 75 | * @var integer|null |
| 76 | */ |
| 77 | protected $_max; |
| 78 | |
| 79 | /** |
| 80 | * Actual filecount |
| 81 | * |
| 82 | * @var integer |
| 83 | */ |
| 84 | protected $_count; |
| 85 | |
| 86 | /** |
| 87 | * Internal file array |
| 88 | * @var array |
| 89 | */ |
| 90 | protected $_files; |
| 91 | |
| 92 | /** |
| 93 | * Sets validator options |
| 94 | * |
| 95 | * Min limits the file count, when used with max=null it is the maximum file count |
| 96 | * It also accepts an array with the keys 'min' and 'max' |
| 97 | * |
| 98 | * If $options is a integer, it will be used as maximum file count |
| 99 | * As Array is accepts the following keys: |
| 100 | * 'min': Minimum filecount |
| 101 | * 'max': Maximum filecount |
| 102 | * |
| 103 | * @param integer|array|Zend_Config $options Options for the adapter |
| 104 | * @return void |
| 105 | */ |
| 106 | public function __construct($options) |
| 107 | { |
| 108 | if ($options instanceof Zend_Config) { |
| 109 | $options = $options->toArray(); |
| 110 | } elseif (is_string($options) || is_numeric($options)) { |
| 111 | $options = array('max' => $options); |
| 112 | } elseif (!is_array($options)) { |
| 113 | // require_once 'Zend/Validate/Exception.php'; |
| 114 | throw new Zend_Validate_Exception ('Invalid options to validator provided'); |
| 115 | } |
| 116 | |
| 117 | if (1 < func_num_args()) { |
| 118 | $options['min'] = func_get_arg(0); |
| 119 | $options['max'] = func_get_arg(1); |
| 120 | } |
| 121 | |
| 122 | if (isset($options['min'])) { |
| 123 | $this->setMin($options); |
| 124 | } |
| 125 | |
| 126 | if (isset($options['max'])) { |
| 127 | $this->setMax($options); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Returns the minimum file count |
| 133 | * |
| 134 | * @return integer |
| 135 | */ |
| 136 | public function getMin() |
| 137 | { |
| 138 | return $this->_min; |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Sets the minimum file count |
| 143 | * |
| 144 | * @param integer|array $min The minimum file count |
| 145 | * @return Zend_Validate_File_Count Provides a fluent interface |
| 146 | * @throws Zend_Validate_Exception When min is greater than max |
| 147 | */ |
| 148 | public function setMin($min) |
| 149 | { |
| 150 | if (is_array($min) and isset($min['min'])) { |
| 151 | $min = $min['min']; |
| 152 | } |
| 153 | |
| 154 | if (!is_string($min) and !is_numeric($min)) { |
| 155 | // require_once 'Zend/Validate/Exception.php'; |
| 156 | throw new Zend_Validate_Exception ('Invalid options to validator provided'); |
| 157 | } |
| 158 | |
| 159 | $min = (integer) $min; |
| 160 | if (($this->_max !== null) && ($min > $this->_max)) { |
| 161 | // require_once 'Zend/Validate/Exception.php'; |
| 162 | throw new Zend_Validate_Exception("The minimum must be less than or equal to the maximum file count, but $min >" |
| 163 | . " {$this->_max}"); |
| 164 | } |
| 165 | |
| 166 | $this->_min = $min; |
| 167 | return $this; |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * Returns the maximum file count |
| 172 | * |
| 173 | * @return integer |
| 174 | */ |
| 175 | public function getMax() |
| 176 | { |
| 177 | return $this->_max; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Sets the maximum file count |
| 182 | * |
| 183 | * @param integer|array $max The maximum file count |
| 184 | * @return Zend_Validate_StringLength Provides a fluent interface |
| 185 | * @throws Zend_Validate_Exception When max is smaller than min |
| 186 | */ |
| 187 | public function setMax($max) |
| 188 | { |
| 189 | if (is_array($max) and isset($max['max'])) { |
| 190 | $max = $max['max']; |
| 191 | } |
| 192 | |
| 193 | if (!is_string($max) and !is_numeric($max)) { |
| 194 | // require_once 'Zend/Validate/Exception.php'; |
| 195 | throw new Zend_Validate_Exception ('Invalid options to validator provided'); |
| 196 | } |
| 197 | |
| 198 | $max = (integer) $max; |
| 199 | if (($this->_min !== null) && ($max < $this->_min)) { |
| 200 | // require_once 'Zend/Validate/Exception.php'; |
| 201 | throw new Zend_Validate_Exception("The maximum must be greater than or equal to the minimum file count, but " |
| 202 | . "$max < {$this->_min}"); |
| 203 | } |
| 204 | |
| 205 | $this->_max = $max; |
| 206 | return $this; |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * Adds a file for validation |
| 211 | * |
| 212 | * @param string|array $file |
| 213 | */ |
| 214 | public function addFile($file) |
| 215 | { |
| 216 | if (is_string($file)) { |
| 217 | $file = array($file); |
| 218 | } |
| 219 | |
| 220 | if (is_array($file)) { |
| 221 | foreach ($file as $name) { |
| 222 | if (!isset($this->_files[$name]) && !empty($name)) { |
| 223 | $this->_files[$name] = $name; |
| 224 | } |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | return $this; |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Defined by Zend_Validate_Interface |
| 233 | * |
| 234 | * Returns true if and only if the file count of all checked files is at least min and |
| 235 | * not bigger than max (when max is not null). Attention: When checking with set min you |
| 236 | * must give all files with the first call, otherwise you will get an false. |
| 237 | * |
| 238 | * @param string|array $value Filenames to check for count |
| 239 | * @param array $file File data from Zend_File_Transfer |
| 240 | * @return boolean |
| 241 | */ |
| 242 | public function isValid($value, $file = null) |
| 243 | { |
| 244 | if (($file !== null) && !array_key_exists('destination', $file)) { |
| 245 | $file['destination'] = dirname($value); |
| 246 | } |
| 247 | |
| 248 | if (($file !== null) && array_key_exists('tmp_name', $file)) { |
| 249 | $value = $file['destination'] . DIRECTORY_SEPARATOR . $file['name']; |
| 250 | } |
| 251 | |
| 252 | if (($file === null) || !empty($file['tmp_name'])) { |
| 253 | $this->addFile($value); |
| 254 | } |
| 255 | |
| 256 | $this->_count = count($this->_files); |
| 257 | if (($this->_max !== null) && ($this->_count > $this->_max)) { |
| 258 | return $this->_throw($file, self::TOO_MANY); |
| 259 | } |
| 260 | |
| 261 | if (($this->_min !== null) && ($this->_count < $this->_min)) { |
| 262 | return $this->_throw($file, self::TOO_FEW); |
| 263 | } |
| 264 | |
| 265 | return true; |
| 266 | } |
| 267 | |
| 268 | /** |
| 269 | * Throws an error of the given type |
| 270 | * |
| 271 | * @param string $file |
| 272 | * @param string $errorType |
| 273 | * @return false |
| 274 | */ |
| 275 | protected function _throw($file, $errorType) |
| 276 | { |
| 277 | if ($file !== null) { |
| 278 | $this->_value = $file['name']; |
| 279 | } |
| 280 | |
| 281 | $this->_error($errorType); |
| 282 | return false; |
| 283 | } |
| 284 | } |
| 285 |