--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/enmi/Zend/Validate/Isbn.php Thu Jan 20 19:30:54 2011 +0100
@@ -0,0 +1,279 @@
+<?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: Isbn.php 22668 2010-07-25 14:50:46Z thomas $
+ */
+
+/**
+ * @see Zend_Validate_Abstract
+ */
+require_once 'Zend/Validate/Abstract.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
+ */
+class Zend_Validate_Isbn extends Zend_Validate_Abstract
+{
+ const AUTO = 'auto';
+ const ISBN10 = '10';
+ const ISBN13 = '13';
+ const INVALID = 'isbnInvalid';
+ const NO_ISBN = 'isbnNoIsbn';
+
+ /**
+ * Validation failure message template definitions.
+ *
+ * @var array
+ */
+ protected $_messageTemplates = array(
+ self::INVALID => "Invalid type given. String or integer expected",
+ self::NO_ISBN => "'%value%' is no valid ISBN number",
+ );
+
+ /**
+ * Allowed type.
+ *
+ * @var string
+ */
+ protected $_type = self::AUTO;
+
+ /**
+ * Separator character.
+ *
+ * @var string
+ */
+ protected $_separator = '';
+
+ /**
+ * Set up options.
+ *
+ * @param Zend_Config|array $options
+ * @throws Zend_Validate_Exception When $options is not valid
+ * @return void
+ */
+ public function __construct($options = array())
+ {
+ // prepare options
+ if ($options instanceof Zend_Config) {
+ $options = $options->toArray();
+ }
+ if (!is_array($options)) {
+ /**
+ * @see Zend_Validate_Exception
+ */
+ require_once 'Zend/Validate/Exception.php';
+ throw new Zend_Validate_Exception('Invalid options provided.');
+ }
+
+ // set type
+ if (array_key_exists('type', $options)) {
+ $this->setType($options['type']);
+ }
+
+ // set separator
+ if (array_key_exists('separator', $options)) {
+ $this->setSeparator($options['separator']);
+ }
+ }
+
+ /**
+ * Detect input format.
+ *
+ * @return string
+ */
+ protected function _detectFormat()
+ {
+ // prepare separator and pattern list
+ $sep = quotemeta($this->_separator);
+ $patterns = array();
+ $lengths = array();
+
+ // check for ISBN-10
+ if ($this->_type == self::ISBN10 || $this->_type == self::AUTO) {
+ if (empty($sep)) {
+ $pattern = '/^[0-9]{9}[0-9X]{1}$/';
+ $length = 10;
+ } else {
+ $pattern = "/^[0-9]{1,7}[{$sep}]{1}[0-9]{1,7}[{$sep}]{1}[0-9]{1,7}[{$sep}]{1}[0-9X]{1}$/";
+ $length = 13;
+ }
+
+ $patterns[$pattern] = self::ISBN10;
+ $lengths[$pattern] = $length;
+ }
+
+ // check for ISBN-13
+ if ($this->_type == self::ISBN13 || $this->_type == self::AUTO) {
+ if (empty($sep)) {
+ $pattern = '/^[0-9]{13}$/';
+ $length = 13;
+ } else {
+ $pattern = "/^[0-9]{1,9}[{$sep}]{1}[0-9]{1,5}[{$sep}]{1}[0-9]{1,9}[{$sep}]{1}[0-9]{1,9}[{$sep}]{1}[0-9]{1}$/";
+ $length = 17;
+ }
+
+ $patterns[$pattern] = self::ISBN13;
+ $lengths[$pattern] = $length;
+ }
+
+ // check pattern list
+ foreach ($patterns as $pattern => $type) {
+ if ((strlen($this->_value) == $lengths[$pattern]) && preg_match($pattern, $this->_value)) {
+ return $type;
+ }
+ }
+
+ return null;
+ }
+
+ /**
+ * Defined by Zend_Validate_Interface.
+ *
+ * Returns true if and only if $value is a valid ISBN.
+ *
+ * @param string $value
+ * @return boolean
+ */
+ public function isValid($value)
+ {
+ if (!is_string($value) && !is_int($value)) {
+ $this->_error(self::INVALID);
+ return false;
+ }
+
+ $value = (string) $value;
+ $this->_setValue($value);
+
+ switch ($this->_detectFormat()) {
+ case self::ISBN10:
+ // sum
+ $isbn10 = str_replace($this->_separator, '', $value);
+ $sum = 0;
+ for ($i = 0; $i < 9; $i++) {
+ $sum += (10 - $i) * $isbn10{$i};
+ }
+
+ // checksum
+ $checksum = 11 - ($sum % 11);
+ if ($checksum == 11) {
+ $checksum = '0';
+ } elseif ($checksum == 10) {
+ $checksum = 'X';
+ }
+ break;
+
+ case self::ISBN13:
+ // sum
+ $isbn13 = str_replace($this->_separator, '', $value);
+ $sum = 0;
+ for ($i = 0; $i < 12; $i++) {
+ if ($i % 2 == 0) {
+ $sum += $isbn13{$i};
+ } else {
+ $sum += 3 * $isbn13{$i};
+ }
+ }
+ // checksum
+ $checksum = 10 - ($sum % 10);
+ if ($checksum == 10) {
+ $checksum = '0';
+ }
+ break;
+
+ default:
+ $this->_error(self::NO_ISBN);
+ return false;
+ }
+
+ // validate
+ if (substr($this->_value, -1) != $checksum) {
+ $this->_error(self::NO_ISBN);
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Set separator characters.
+ *
+ * It is allowed only empty string, hyphen and space.
+ *
+ * @param string $separator
+ * @throws Zend_Validate_Exception When $separator is not valid
+ * @return Zend_Validate_Isbn Provides a fluent interface
+ */
+ public function setSeparator($separator)
+ {
+ // check separator
+ if (!in_array($separator, array('-', ' ', ''))) {
+ /**
+ * @see Zend_Validate_Exception
+ */
+ require_once 'Zend/Validate/Exception.php';
+ throw new Zend_Validate_Exception('Invalid ISBN separator.');
+ }
+
+ $this->_separator = $separator;
+ return $this;
+ }
+
+ /**
+ * Get separator characters.
+ *
+ * @return string
+ */
+ public function getSeparator()
+ {
+ return $this->_separator;
+ }
+
+ /**
+ * Set allowed ISBN type.
+ *
+ * @param string $type
+ * @throws Zend_Validate_Exception When $type is not valid
+ * @return Zend_Validate_Isbn Provides a fluent interface
+ */
+ public function setType($type)
+ {
+ // check type
+ if (!in_array($type, array(self::AUTO, self::ISBN10, self::ISBN13))) {
+ /**
+ * @see Zend_Validate_Exception
+ */
+ require_once 'Zend/Validate/Exception.php';
+ throw new Zend_Validate_Exception('Invalid ISBN type');
+ }
+
+ $this->_type = $type;
+ return $this;
+ }
+
+ /**
+ * Get allowed ISBN type.
+ *
+ * @return string
+ */
+ public function getType()
+ {
+ return $this->_type;
+ }
+}