From c53d8d026021f97075fb2f4940ba22793c38fb6e Mon Sep 17 00:00:00 2001
From: davehauenstein <davehauenstein@d4e419ec-0920-11de-bbfd-a7c1bc4c261e>
Date: Wed, 15 Apr 2009 22:06:42 +0000
Subject: added toolbar; functionality includes refresh button to get back to
original page, print article, email a link to the article with a personal
note
git-svn-id: http://arc90labs-readability.googlecode.com/svn/trunk@31 d4e419ec-0920-11de-bbfd-a7c1bc4c261e
---
lib/Zend/Validate/Barcode/Ean13.php | 112 ++++++++++++++++++++++++++++++++++++
lib/Zend/Validate/Barcode/UpcA.php | 100 ++++++++++++++++++++++++++++++++
2 files changed, 212 insertions(+)
create mode 100644 lib/Zend/Validate/Barcode/Ean13.php
create mode 100644 lib/Zend/Validate/Barcode/UpcA.php
(limited to 'lib/Zend/Validate/Barcode')
diff --git a/lib/Zend/Validate/Barcode/Ean13.php b/lib/Zend/Validate/Barcode/Ean13.php
new file mode 100644
index 0000000..393091d
--- /dev/null
+++ b/lib/Zend/Validate/Barcode/Ean13.php
@@ -0,0 +1,112 @@
+<?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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Ean13.php 11791 2008-10-09 18:19:13Z andries $
+ */
+
+
+/**
+ * @see Zend_Validate_Abstract
+ */
+require_once 'Zend/Validate/Abstract.php';
+
+
+/**
+ * @category Zend
+ * @package Zend_Validate
+ * @copyright Copyright (c) 2005-2008 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_Abstract
+{
+ /**
+ * Validation failure message key for when the value is
+ * an invalid barcode
+ */
+ const INVALID = 'invalid';
+
+ /**
+ * Validation failure message key for when the value is
+ * not 13 characters long
+ */
+ const INVALID_LENGTH = 'invalidLength';
+
+ /**
+ * Validation failure message key for when the value
+ * does not only contain numeric characters
+ */
+ const NOT_NUMERIC = 'ean13NotNumeric';
+
+ /**
+ * Validation failure message template definitions
+ *
+ * @var array
+ */
+ protected $_messageTemplates = array(
+ self::INVALID => "'%value%' is an invalid EAN-13 barcode",
+ self::INVALID_LENGTH => "'%value%' should be 13 characters",
+ self::NOT_NUMERIC => "'%value%' should contain only numeric characters",
+ );
+
+ /**
+ * Defined by Zend_Validate_Interface
+ *
+ * Returns true if and only if $value contains a valid barcode
+ *
+ * @param string $value
+ * @return boolean
+ */
+ public function isValid($value)
+ {
+ if (false === ctype_digit($value)) {
+ $this->_error(self::NOT_NUMERIC);
+ return false;
+ }
+
+ $valueString = (string) $value;
+ $this->_setValue($valueString);
+
+ if (strlen($valueString) !== 13) {
+ $this->_error(self::INVALID_LENGTH);
+ return false;
+ }
+
+ $barcode = strrev(substr($valueString, 0, -1));
+ $oddSum = 0;
+ $evenSum = 0;
+
+ for ($i = 0; $i < 12; $i++) {
+ if ($i % 2 === 0) {
+ $oddSum += $barcode[$i] * 3;
+ } elseif ($i % 2 === 1) {
+ $evenSum += $barcode[$i];
+ }
+ }
+
+ $calculation = ($oddSum + $evenSum) % 10;
+ $checksum = ($calculation === 0) ? 0 : 10 - $calculation;
+
+ if ($valueString[12] != $checksum) {
+ $this->_error(self::INVALID);
+ return false;
+ }
+
+ return true;
+ }
+}
diff --git a/lib/Zend/Validate/Barcode/UpcA.php b/lib/Zend/Validate/Barcode/UpcA.php
new file mode 100644
index 0000000..c584e81
--- /dev/null
+++ b/lib/Zend/Validate/Barcode/UpcA.php
@@ -0,0 +1,100 @@
+<?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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: UpcA.php 8210 2008-02-20 14:09:05Z andries $
+ */
+
+
+/**
+ * @see Zend_Validate_Abstract
+ */
+require_once 'Zend/Validate/Abstract.php';
+
+
+/**
+ * @category Zend
+ * @package Zend_Validate
+ * @copyright Copyright (c) 2005-2008 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_Abstract
+{
+ /**
+ * Validation failure message key for when the value is
+ * an invalid barcode
+ */
+ const INVALID = 'invalid';
+
+ /**
+ * Validation failure message key for when the value is
+ * not 12 characters long
+ */
+ const INVALID_LENGTH = 'invalidLength';
+
+ /**
+ * Validation failure message template definitions
+ *
+ * @var array
+ */
+ protected $_messageTemplates = array(
+ self::INVALID => "'%value%' is an invalid UPC-A barcode",
+ self::INVALID_LENGTH => "'%value%' should be 12 characters",
+ );
+
+ /**
+ * Defined by Zend_Validate_Interface
+ *
+ * Returns true if and only if $value contains a valid barcode
+ *
+ * @param string $value
+ * @return boolean
+ */
+ public function isValid($value)
+ {
+ $valueString = (string) $value;
+ $this->_setValue($valueString);
+
+ if (strlen($valueString) !== 12) {
+ $this->_error(self::INVALID_LENGTH);
+ return false;
+ }
+
+ $barcode = substr($valueString, 0, -1);
+ $oddSum = 0;
+ $evenSum = 0;
+
+ for ($i = 0; $i < 11; $i++) {
+ if ($i % 2 === 0) {
+ $oddSum += $barcode[$i] * 3;
+ } elseif ($i % 2 === 1) {
+ $evenSum += $barcode[$i];
+ }
+ }
+
+ $calculation = ($oddSum + $evenSum) % 10;
+ $checksum = ($calculation === 0) ? 0 : 10 - $calculation;
+
+ if ($valueString[11] != $checksum) {
+ $this->_error(self::INVALID);
+ return false;
+ }
+
+ return true;
+ }
+}
--
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