--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/enmi/Zend/Validate/Barcode/AdapterAbstract.php Thu Jan 20 19:30:54 2011 +0100
@@ -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: AdapterAbstract.php 20785 2010-01-31 09:43:03Z mikaelkael $
+ */
+
+/**
+ * @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;
+ }
+}