From 8ca6cc32b2c789a3149861159ad258f2cb9491e3 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 14:39:39 +0200
Subject: Adding upstream version 2.11.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../Zend/Validate/Barcode/AdapterAbstract.php      | 314 +++++++++++++++++++++
 .../Zend/Validate/Barcode/AdapterInterface.php     |  68 +++++
 library/vendor/Zend/Validate/Barcode/Code25.php    |  61 ++++
 .../Zend/Validate/Barcode/Code25interleaved.php    |  61 ++++
 library/vendor/Zend/Validate/Barcode/Code39.php    |  97 +++++++
 library/vendor/Zend/Validate/Barcode/Code39ext.php |  55 ++++
 library/vendor/Zend/Validate/Barcode/Code93.php    | 117 ++++++++
 library/vendor/Zend/Validate/Barcode/Code93ext.php |  55 ++++
 library/vendor/Zend/Validate/Barcode/Ean12.php     |  51 ++++
 library/vendor/Zend/Validate/Barcode/Ean13.php     |  51 ++++
 library/vendor/Zend/Validate/Barcode/Ean14.php     |  51 ++++
 library/vendor/Zend/Validate/Barcode/Ean18.php     |  51 ++++
 library/vendor/Zend/Validate/Barcode/Ean2.php      |  55 ++++
 library/vendor/Zend/Validate/Barcode/Ean5.php      |  55 ++++
 library/vendor/Zend/Validate/Barcode/Ean8.php      |  68 +++++
 library/vendor/Zend/Validate/Barcode/Gtin12.php    |  51 ++++
 library/vendor/Zend/Validate/Barcode/Gtin13.php    |  51 ++++
 library/vendor/Zend/Validate/Barcode/Gtin14.php    |  51 ++++
 library/vendor/Zend/Validate/Barcode/Identcode.php |  51 ++++
 .../Zend/Validate/Barcode/Intelligentmail.php      |  55 ++++
 library/vendor/Zend/Validate/Barcode/Issn.php      | 118 ++++++++
 library/vendor/Zend/Validate/Barcode/Itf14.php     |  51 ++++
 library/vendor/Zend/Validate/Barcode/Leitcode.php  |  51 ++++
 library/vendor/Zend/Validate/Barcode/Planet.php    |  51 ++++
 library/vendor/Zend/Validate/Barcode/Postnet.php   |  51 ++++
 library/vendor/Zend/Validate/Barcode/Royalmail.php | 120 ++++++++
 library/vendor/Zend/Validate/Barcode/Sscc.php      |  51 ++++
 library/vendor/Zend/Validate/Barcode/Upca.php      |  51 ++++
 library/vendor/Zend/Validate/Barcode/Upce.php      |  68 +++++
 29 files changed, 2081 insertions(+)
 create mode 100644 library/vendor/Zend/Validate/Barcode/AdapterAbstract.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/AdapterInterface.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Code25.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Code25interleaved.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Code39.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Code39ext.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Code93.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Code93ext.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Ean12.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Ean13.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Ean14.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Ean18.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Ean2.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Ean5.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Ean8.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Gtin12.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Gtin13.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Gtin14.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Identcode.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Intelligentmail.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Issn.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Itf14.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Leitcode.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Planet.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Postnet.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Royalmail.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Sscc.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Upca.php
 create mode 100644 library/vendor/Zend/Validate/Barcode/Upce.php

(limited to 'library/vendor/Zend/Validate/Barcode')

diff --git a/library/vendor/Zend/Validate/Barcode/AdapterAbstract.php b/library/vendor/Zend/Validate/Barcode/AdapterAbstract.php
new file mode 100644
index 0000000..01e2409
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/AdapterAbstract.php
@@ -0,0 +1,314 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterInterface
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 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;
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/AdapterInterface.php b/library/vendor/Zend/Validate/Barcode/AdapterInterface.php
new file mode 100644
index 0000000..8e96eff
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/AdapterInterface.php
@@ -0,0 +1,68 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+interface Zend_Validate_Barcode_AdapterInterface
+{
+    /**
+     * Checks the length of a barcode
+     *
+     * @param  string $value  The barcode to check for proper length
+     * @return boolean
+     */
+    public function checkLength($value);
+
+    /**
+     * Checks for allowed characters within the barcode
+     *
+     * @param  string $value The barcode to check for allowed characters
+     * @return boolean
+     */
+    public function checkChars($value);
+
+    /**
+     * Validates the checksum
+     *
+     * @param string $value The barcode to check the checksum for
+     * @return boolean
+     */
+    public function checksum($value);
+
+    /**
+     * Returns if barcode uses a checksum
+     *
+     * @return boolean
+     */
+    public function getCheck();
+
+    /**
+     * Sets the checksum validation
+     *
+     * @param  boolean $check
+     * @return Zend_Validate_Barcode_Adapter Provides a fluent interface
+     */
+    public function setCheck($check);
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Code25.php b/library/vendor/Zend/Validate/Barcode/Code25.php
new file mode 100644
index 0000000..e0e540a
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Code25.php
@@ -0,0 +1,61 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Code25 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = -1;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_code25';
+
+    /**
+     * Constructor
+     *
+     * Sets check flag to false.
+     */
+    public function __construct()
+    {
+        $this->setCheck(false);
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Code25interleaved.php b/library/vendor/Zend/Validate/Barcode/Code25interleaved.php
new file mode 100644
index 0000000..c952781
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Code25interleaved.php
@@ -0,0 +1,61 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Code25interleaved extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 'even';
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_code25';
+
+    /**
+     * Constructor
+     *
+     * Sets check flag to false.
+     */
+    public function __construct()
+    {
+        $this->setCheck(false);
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Code39.php b/library/vendor/Zend/Validate/Barcode/Code39.php
new file mode 100644
index 0000000..e1554a1
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Code39.php
@@ -0,0 +1,97 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Code39 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = -1;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ -.$/+%';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_code39';
+
+    /**
+     * @var array
+     */
+    protected $_check = array(
+        '0' =>  0, '1' =>  1, '2' =>  2, '3' =>  3, '4' =>  4, '5' =>  5, '6' =>  6,
+        '7' =>  7, '8' =>  8, '9' =>  9, 'A' => 10, 'B' => 11, 'C' => 12, 'D' => 13,
+        'E' => 14, 'F' => 15, 'G' => 16, 'H' => 17, 'I' => 18, 'J' => 19, 'K' => 20,
+        'L' => 21, 'M' => 22, 'N' => 23, 'O' => 24, 'P' => 25, 'Q' => 26, 'R' => 27,
+        'S' => 28, 'T' => 29, 'U' => 30, 'V' => 31, 'W' => 32, 'X' => 33, 'Y' => 34,
+        'Z' => 35, '-' => 36, '.' => 37, ' ' => 38, '$' => 39, '/' => 40, '+' => 41,
+        '%' => 42,
+    );
+
+    /**
+     * Constructor
+     *
+     * Sets check flag to false.
+     */
+    public function __construct()
+    {
+        $this->setCheck(false);
+    }
+
+    /**
+     * Validates the checksum (Modulo 43)
+     *
+     * @param  string $value The barcode to validate
+     * @return boolean
+     */
+    protected function _code39($value)
+    {
+        $checksum = substr($value, -1, 1);
+        $value    = str_split(substr($value, 0, -1));
+        $count    = 0;
+        foreach($value as $char) {
+            $count += $this->_check[$char];
+        }
+
+        $mod = $count % 43;
+        if ($mod == $this->_check[$checksum]) {
+            return true;
+        }
+
+        return false;
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Code39ext.php b/library/vendor/Zend/Validate/Barcode/Code39ext.php
new file mode 100644
index 0000000..a295694
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Code39ext.php
@@ -0,0 +1,55 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Code39ext extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = -1;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = 128;
+
+    /**
+     * Constructor
+     *
+     * Sets check flag to false.
+     */
+    public function __construct()
+    {
+        $this->setCheck(false);
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Code93.php b/library/vendor/Zend/Validate/Barcode/Code93.php
new file mode 100644
index 0000000..2f83ee8
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Code93.php
@@ -0,0 +1,117 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Code93 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = -1;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ -.$/+%';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_code93';
+
+    /**
+     * Note that the characters !"§& are only synonyms
+     * @var array
+     */
+    protected $_check = array(
+        '0' =>  0, '1' =>  1, '2' =>  2, '3' =>  3, '4' =>  4, '5' =>  5, '6' =>  6,
+        '7' =>  7, '8' =>  8, '9' =>  9, 'A' => 10, 'B' => 11, 'C' => 12, 'D' => 13,
+        'E' => 14, 'F' => 15, 'G' => 16, 'H' => 17, 'I' => 18, 'J' => 19, 'K' => 20,
+        'L' => 21, 'M' => 22, 'N' => 23, 'O' => 24, 'P' => 25, 'Q' => 26, 'R' => 27,
+        'S' => 28, 'T' => 29, 'U' => 30, 'V' => 31, 'W' => 32, 'X' => 33, 'Y' => 34,
+        'Z' => 35, '-' => 36, '.' => 37, ' ' => 38, '$' => 39, '/' => 40, '+' => 41,
+        '%' => 42, '!' => 43, '"' => 44, '§' => 45, '&' => 46,
+    );
+
+    /**
+     * Constructor
+     *
+     * Sets check flag to false.
+     */
+    public function __construct()
+    {
+        $this->setCheck(false);
+    }
+
+    /**
+     * Validates the checksum (Modulo CK)
+     *
+     * @param  string $value The barcode to validate
+     * @return boolean
+     */
+    protected function _code93($value)
+    {
+        $checksum = substr($value, -2, 2);
+        $value    = str_split(substr($value, 0, -2));
+        $count    = 0;
+        $length   = count($value) % 20;
+        foreach($value as $char) {
+            if ($length == 0) {
+                $length = 20;
+            }
+
+            $count += $this->_check[$char] * $length;
+            --$length;
+        }
+
+        $check   = array_search(($count % 47), $this->_check);
+        $value[] = $check;
+        $count   = 0;
+        $length  = count($value) % 15;
+        foreach($value as $char) {
+            if ($length == 0) {
+                $length = 15;
+            }
+
+            $count += $this->_check[$char] * $length;
+            --$length;
+        }
+        $check .= array_search(($count % 47), $this->_check);
+
+        if ($check == $checksum) {
+            return true;
+        }
+
+        return false;
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Code93ext.php b/library/vendor/Zend/Validate/Barcode/Code93ext.php
new file mode 100644
index 0000000..8795f00
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Code93ext.php
@@ -0,0 +1,55 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Code93ext extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = -1;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = 128;
+
+    /**
+     * Constructor
+     *
+     * Sets check flag to false.
+     */
+    public function __construct()
+    {
+        $this->setCheck(false);
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Ean12.php b/library/vendor/Zend/Validate/Barcode/Ean12.php
new file mode 100644
index 0000000..67bb14c
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Ean12.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Ean12 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 12;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Ean13.php b/library/vendor/Zend/Validate/Barcode/Ean13.php
new file mode 100644
index 0000000..7554885
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Ean13.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Ean13 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 13;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Ean14.php b/library/vendor/Zend/Validate/Barcode/Ean14.php
new file mode 100644
index 0000000..af62b0e
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Ean14.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Ean14 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 14;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Ean18.php b/library/vendor/Zend/Validate/Barcode/Ean18.php
new file mode 100644
index 0000000..d2fe756
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Ean18.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Ean18 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 18;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Ean2.php b/library/vendor/Zend/Validate/Barcode/Ean2.php
new file mode 100644
index 0000000..7124fd0
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Ean2.php
@@ -0,0 +1,55 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Ean2 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 2;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Constructor
+     *
+     * Sets check flag to false.
+     */
+    public function __construct()
+    {
+        $this->setCheck(false);
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Ean5.php b/library/vendor/Zend/Validate/Barcode/Ean5.php
new file mode 100644
index 0000000..74654a7
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Ean5.php
@@ -0,0 +1,55 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Ean5 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 5;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Constructor
+     *
+     * Sets check flag to false.
+     */
+    public function __construct()
+    {
+        $this->setCheck(false);
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Ean8.php b/library/vendor/Zend/Validate/Barcode/Ean8.php
new file mode 100644
index 0000000..7f61dfb
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Ean8.php
@@ -0,0 +1,68 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Ean8 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = array(7, 8);
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+
+    /**
+     * Overrides parent checkLength
+     *
+     * @param string $value Value
+     * @return boolean
+     */
+    public function checkLength($value)
+    {
+        if (strlen($value) == 7) {
+            $this->setCheck(false);
+        } else {
+            $this->setCheck(true);
+        }
+
+        return parent::checkLength($value);
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Gtin12.php b/library/vendor/Zend/Validate/Barcode/Gtin12.php
new file mode 100644
index 0000000..d94a1b5
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Gtin12.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Gtin12 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 12;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Gtin13.php b/library/vendor/Zend/Validate/Barcode/Gtin13.php
new file mode 100644
index 0000000..ea66ce1
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Gtin13.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Gtin13 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 13;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Gtin14.php b/library/vendor/Zend/Validate/Barcode/Gtin14.php
new file mode 100644
index 0000000..a2354cb
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Gtin14.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Gtin14 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 14;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Identcode.php b/library/vendor/Zend/Validate/Barcode/Identcode.php
new file mode 100644
index 0000000..f02cab7
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Identcode.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Identcode extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 12;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_identcode';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Intelligentmail.php b/library/vendor/Zend/Validate/Barcode/Intelligentmail.php
new file mode 100644
index 0000000..d14ac37
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Intelligentmail.php
@@ -0,0 +1,55 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_IntelligentMail extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = array(20, 25, 29, 31);
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Constructor
+     *
+     * Sets check flag to false.
+     */
+    public function __construct()
+    {
+        $this->setCheck(false);
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Issn.php b/library/vendor/Zend/Validate/Barcode/Issn.php
new file mode 100644
index 0000000..49c705d
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Issn.php
@@ -0,0 +1,118 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Issn extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = array(8, 13);
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789X';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+
+    /**
+     * Allows X on length of 8 chars
+     *
+     * @param  string $value The barcode to check for allowed characters
+     * @return boolean
+     */
+    public function checkChars($value)
+    {
+        if (strlen($value) != 8) {
+            if (strpos($value, 'X') !== false) {
+                return false;
+            }
+        }
+
+        return parent::checkChars($value);
+    }
+
+    /**
+     * Validates the checksum
+     *
+     * @param  string $value The barcode to check the checksum for
+     * @return boolean
+     */
+    public function checksum($value)
+    {
+        if (strlen($value) == 8) {
+            $this->_checksum = '_issn';
+        } else {
+            $this->_checksum = '_gtin';
+        }
+
+        return parent::checksum($value);
+    }
+
+    /**
+     * Validates the checksum ()
+     * ISSN implementation (reversed mod11)
+     *
+     * @param  string $value The barcode to validate
+     * @return boolean
+     */
+    protected function _issn($value)
+    {
+        $checksum = substr($value, -1, 1);
+        $values   = str_split(substr($value, 0, -1));
+        $check    = 0;
+        $multi    = 8;
+        foreach($values as $token) {
+            if ($token == 'X') {
+                $token = 10;
+            }
+
+            $check += ($token * $multi);
+            --$multi;
+        }
+
+        $check %= 11;
+        $check  = 11 - $check;
+        if ($check == $checksum) {
+            return true;
+        } else if (($check == 10) && ($checksum == 'X')) {
+            return true;
+        }
+
+        return false;
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Itf14.php b/library/vendor/Zend/Validate/Barcode/Itf14.php
new file mode 100644
index 0000000..0ed97d1
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Itf14.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Itf14 extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 14;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Leitcode.php b/library/vendor/Zend/Validate/Barcode/Leitcode.php
new file mode 100644
index 0000000..a79acac
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Leitcode.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Leitcode extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 14;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_identcode';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Planet.php b/library/vendor/Zend/Validate/Barcode/Planet.php
new file mode 100644
index 0000000..96ed881
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Planet.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Planet extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = array(12, 14);
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_postnet';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Postnet.php b/library/vendor/Zend/Validate/Barcode/Postnet.php
new file mode 100644
index 0000000..a0b0ca3
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Postnet.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Postnet extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = array(6, 7, 10, 12);
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_postnet';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Royalmail.php b/library/vendor/Zend/Validate/Barcode/Royalmail.php
new file mode 100644
index 0000000..c4c2685
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Royalmail.php
@@ -0,0 +1,120 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Royalmail extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = -1;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+
+    protected $_rows = array(
+        '0' => 1, '1' => 1, '2' => 1, '3' => 1, '4' => 1, '5' => 1,
+        '6' => 2, '7' => 2, '8' => 2, '9' => 2, 'A' => 2, 'B' => 2,
+        'C' => 3, 'D' => 3, 'E' => 3, 'F' => 3, 'G' => 3, 'H' => 3,
+        'I' => 4, 'J' => 4, 'K' => 4, 'L' => 4, 'M' => 4, 'N' => 4,
+        'O' => 5, 'P' => 5, 'Q' => 5, 'R' => 5, 'S' => 5, 'T' => 5,
+        'U' => 0, 'V' => 0, 'W' => 0, 'X' => 0, 'Y' => 0, 'Z' => 0,
+     );
+
+    protected $_columns = array(
+        '0' => 1, '1' => 2, '2' => 3, '3' => 4, '4' => 5, '5' => 0,
+        '6' => 1, '7' => 2, '8' => 3, '9' => 4, 'A' => 5, 'B' => 0,
+        'C' => 1, 'D' => 2, 'E' => 3, 'F' => 4, 'G' => 5, 'H' => 0,
+        'I' => 1, 'J' => 2, 'K' => 3, 'L' => 4, 'M' => 5, 'N' => 0,
+        'O' => 1, 'P' => 2, 'Q' => 3, 'R' => 4, 'S' => 5, 'T' => 0,
+        'U' => 1, 'V' => 2, 'W' => 3, 'X' => 4, 'Y' => 5, 'Z' => 0,
+    );
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_royalmail';
+
+    /**
+     * Validates the checksum ()
+     *
+     * @param  string $value The barcode to validate
+     * @return boolean
+     */
+    protected function _royalmail($value)
+    {
+        $checksum = substr($value, -1, 1);
+        $values   = str_split(substr($value, 0, -1));
+        $rowvalue = 0;
+        $colvalue = 0;
+        foreach($values as $row) {
+            $rowvalue += $this->_rows[$row];
+            $colvalue += $this->_columns[$row];
+        }
+
+        $rowvalue %= 6;
+        $colvalue %= 6;
+
+        $rowchkvalue = array_keys($this->_rows, $rowvalue);
+        $colchkvalue = array_keys($this->_columns, $colvalue);
+        $chkvalue    = current(array_intersect($rowchkvalue, $colchkvalue));
+        if ($chkvalue == $checksum) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Allows start and stop tag within checked chars
+     *
+     * @param  string $value The barcode to check for allowed characters
+     * @return boolean
+     */
+    public function checkChars($value)
+    {
+        if ($value[0] == '(') {
+            $value = substr($value, 1);
+
+            if ($value[strlen($value) - 1] == ')') {
+                $value = substr($value, 0, -1);
+            } else {
+                return false;
+            }
+        }
+
+        return parent::checkChars($value);
+    }
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Sscc.php b/library/vendor/Zend/Validate/Barcode/Sscc.php
new file mode 100644
index 0000000..e234bf1
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Sscc.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Sscc extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 18;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Upca.php b/library/vendor/Zend/Validate/Barcode/Upca.php
new file mode 100644
index 0000000..4b92bd6
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Upca.php
@@ -0,0 +1,51 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Upca extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = 12;
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+}
diff --git a/library/vendor/Zend/Validate/Barcode/Upce.php b/library/vendor/Zend/Validate/Barcode/Upce.php
new file mode 100644
index 0000000..8d8dd2a
--- /dev/null
+++ b/library/vendor/Zend/Validate/Barcode/Upce.php
@@ -0,0 +1,68 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Barcode_AdapterAbstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Barcode_Upce extends Zend_Validate_Barcode_AdapterAbstract
+{
+    /**
+     * Allowed barcode lengths
+     * @var integer
+     */
+    protected $_length = array(6, 7, 8);
+
+    /**
+     * Allowed barcode characters
+     * @var string
+     */
+    protected $_characters = '0123456789';
+
+    /**
+     * Checksum function
+     * @var string
+     */
+    protected $_checksum = '_gtin';
+
+    /**
+     * Overrides parent checkLength
+     *
+     * @param string $value Value
+     * @return boolean
+     */
+    public function checkLength($value)
+    {
+        if (strlen($value) != 8) {
+            $this->setCheck(false);
+        } else {
+            $this->setCheck(true);
+        }
+
+        return parent::checkLength($value);
+    }
+}
-- 
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