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Diffstat (limited to 'libs/Zend/Validate/Barcode/AdapterAbstract.php')
| -rw-r--r-- | libs/Zend/Validate/Barcode/AdapterAbstract.php | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/libs/Zend/Validate/Barcode/AdapterAbstract.php b/libs/Zend/Validate/Barcode/AdapterAbstract.php new file mode 100644 index 0000000000..7cbb4644f8 --- /dev/null +++ b/libs/Zend/Validate/Barcode/AdapterAbstract.php @@ -0,0 +1,315 @@ +<?php +/** + * Zend Framework + * + * LICENSE + * + * This source file is subject to the new BSD license that is bundled + * with this package in the file LICENSE.txt. + * It is also available through the world-wide-web at this URL: + * http://framework.zend.com/license/new-bsd + * If you did not receive a copy of the license and are unable to + * obtain it through the world-wide-web, please send an email + * to license@zend.com so we can send you a copy immediately. + * + * @category Zend + * @package Zend_Validate + * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id: Ean13.php 18028 2009-09-08 20:52:23Z thomas $ + */ + +/** + * @see Zend_Validate_Barcode_AdapterInterface + */ +// require_once 'Zend/Validate/Barcode/AdapterInterface.php'; + +/** + * @category Zend + * @package Zend_Validate + * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +abstract class Zend_Validate_Barcode_AdapterAbstract + implements Zend_Validate_Barcode_AdapterInterface +{ + /** + * Allowed barcode lengths + * @var integer|array|string + */ + protected $_length; + + /** + * Allowed barcode characters + * @var string + */ + protected $_characters; + + /** + * Callback to checksum function + * @var string|array + */ + protected $_checksum; + + /** + * Is a checksum value included? + * @var boolean + */ + protected $_hasChecksum = true; + + /** + * Checks the length of a barcode + * + * @param string $value The barcode to check for proper length + * @return boolean + */ + public function checkLength($value) + { + if (!is_string($value)) { + return false; + } + + $fixum = strlen($value); + $found = false; + $length = $this->getLength(); + if (is_array($length)) { + foreach ($length as $value) { + if ($fixum == $value) { + $found = true; + } + + if ($value == -1) { + $found = true; + } + } + } elseif ($fixum == $length) { + $found = true; + } elseif ($length == -1) { + $found = true; + } elseif ($length == 'even') { + $count = $fixum % 2; + $found = ($count == 0) ? true : false; + } elseif ($length == 'odd') { + $count = $fixum % 2; + $found = ($count == 1) ? true : false; + } + + return $found; + } + + /** + * Checks for allowed characters within the barcode + * + * @param string $value The barcode to check for allowed characters + * @return boolean + */ + public function checkChars($value) + { + if (!is_string($value)) { + return false; + } + + $characters = $this->getCharacters(); + if ($characters == 128) { + for ($x = 0; $x < 128; ++$x) { + $value = str_replace(chr($x), '', $value); + } + } else { + $chars = str_split($characters); + foreach ($chars as $char) { + $value = str_replace($char, '', $value); + } + } + + if (strlen($value) > 0) { + return false; + } + + return true; + } + + /** + * Validates the checksum + * + * @param string $value The barcode to check the checksum for + * @return boolean + */ + public function checksum($value) + { + $checksum = $this->getChecksum(); + if (!empty($checksum)) { + if (method_exists($this, $checksum)) { + return call_user_func(array($this, $checksum), $value); + } + } + + return false; + } + + /** + * Returns the allowed barcode length + * + * @return string + */ + public function getLength() + { + return $this->_length; + } + + /** + * Returns the allowed characters + * + * @return integer|string + */ + public function getCharacters() + { + return $this->_characters; + } + + /** + * Returns the checksum function name + * + */ + public function getChecksum() + { + return $this->_checksum; + } + + /** + * Returns if barcode uses checksum + * + * @return boolean + */ + public function getCheck() + { + return $this->_hasChecksum; + } + + /** + * Sets the checksum validation + * + * @param boolean $check + * @return Zend_Validate_Barcode_AdapterAbstract + */ + public function setCheck($check) + { + $this->_hasChecksum = (boolean) $check; + return $this; + } + + /** + * Validates the checksum (Modulo 10) + * GTIN implementation factor 3 + * + * @param string $value The barcode to validate + * @return boolean + */ + protected function _gtin($value) + { + $barcode = substr($value, 0, -1); + $sum = 0; + $length = strlen($barcode) - 1; + + for ($i = 0; $i <= $length; $i++) { + if (($i % 2) === 0) { + $sum += $barcode[$length - $i] * 3; + } else { + $sum += $barcode[$length - $i]; + } + } + + $calc = $sum % 10; + $checksum = ($calc === 0) ? 0 : (10 - $calc); + if ($value[$length + 1] != $checksum) { + return false; + } + + return true; + } + + /** + * Validates the checksum (Modulo 10) + * IDENTCODE implementation factors 9 and 4 + * + * @param string $value The barcode to validate + * @return boolean + */ + protected function _identcode($value) + { + $barcode = substr($value, 0, -1); + $sum = 0; + $length = strlen($value) - 2; + + for ($i = 0; $i <= $length; $i++) { + if (($i % 2) === 0) { + $sum += $barcode[$length - $i] * 4; + } else { + $sum += $barcode[$length - $i] * 9; + } + } + + $calc = $sum % 10; + $checksum = ($calc === 0) ? 0 : (10 - $calc); + if ($value[$length + 1] != $checksum) { + return false; + } + + return true; + } + + /** + * Validates the checksum (Modulo 10) + * CODE25 implementation factor 3 + * + * @param string $value The barcode to validate + * @return boolean + */ + protected function _code25($value) + { + $barcode = substr($value, 0, -1); + $sum = 0; + $length = strlen($barcode) - 1; + + for ($i = 0; $i <= $length; $i++) { + if (($i % 2) === 0) { + $sum += $barcode[$i] * 3; + } else { + $sum += $barcode[$i]; + } + } + + $calc = $sum % 10; + $checksum = ($calc === 0) ? 0 : (10 - $calc); + if ($value[$length + 1] != $checksum) { + return false; + } + + return true; + } + + /** + * Validates the checksum () + * POSTNET implementation + * + * @param string $value The barcode to validate + * @return boolean + */ + protected function _postnet($value) + { + $checksum = substr($value, -1, 1); + $values = str_split(substr($value, 0, -1)); + + $check = 0; + foreach($values as $row) { + $check += $row; + } + + $check %= 10; + $check = 10 - $check; + if ($check == $checksum) { + return true; + } + + return false; + } +} |