Файл: library/Zend/Validate/Barcode.php
Строк: 195
<?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: Barcode.php 22668 2010-07-25 14:50:46Z thomas $
*/
/**
* @see Zend_Validate_Abstract
*/
require_once 'Zend/Validate/Abstract.php';
/**
* @see Zend_Loader
*/
require_once 'Zend/Loader.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_Barcode extends Zend_Validate_Abstract
{
const INVALID = 'barcodeInvalid';
const FAILED = 'barcodeFailed';
const INVALID_CHARS = 'barcodeInvalidChars';
const INVALID_LENGTH = 'barcodeInvalidLength';
protected $_messageTemplates = array(
self::FAILED => "'%value%' failed checksum validation",
self::INVALID_CHARS => "'%value%' contains invalid characters",
self::INVALID_LENGTH => "'%value%' should have a length of %length% characters",
self::INVALID => "Invalid type given. String expected",
);
/**
* Additional variables available for validation failure messages
*
* @var array
*/
protected $_messageVariables = array(
'length' => '_length'
);
/**
* Length for the set subtype
*
* @var integer
*/
protected $_length;
/**
* Barcode adapter
*
* @var Zend_Validate_Barcode_BarcodeAdapter
*/
protected $_adapter;
/**
* Generates the standard validator object
*
* @param string|Zend_Config|
* Zend_Validate_Barcode_BarcodeAdapter $adapter Barcode adapter to use
* @return void
* @throws Zend_Validate_Exception
*/
public function __construct($adapter)
{
if ($adapter instanceof Zend_Config) {
$adapter = $adapter->toArray();
}
$options = null;
$checksum = null;
if (is_array($adapter)) {
if (array_key_exists('options', $adapter)) {
$options = $adapter['options'];
}
if (array_key_exists('checksum', $adapter)) {
$checksum = $adapter['checksum'];
}
if (array_key_exists('adapter', $adapter)) {
$adapter = $adapter['adapter'];
} else {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception("Missing option 'adapter'");
}
}
$this->setAdapter($adapter, $options);
if ($checksum !== null) {
$this->setChecksum($checksum);
}
}
/**
* Returns the set adapter
*
* @return Zend_Validate_Barcode_BarcodeAdapter
*/
public function getAdapter()
{
return $this->_adapter;
}
/**
* Sets a new barcode adapter
*
* @param string|Zend_Validate_Barcode $adapter Barcode adapter to use
* @param array $options Options for this adapter
* @return void
* @throws Zend_Validate_Exception
*/
public function setAdapter($adapter, $options = null)
{
$adapter = ucfirst(strtolower($adapter));
require_once 'Zend/Loader.php';
if (Zend_Loader::isReadable('Zend/Validate/Barcode/' . $adapter. '.php')) {
$adapter = 'Zend_Validate_Barcode_' . $adapter;
}
if (!class_exists($adapter)) {
Zend_Loader::loadClass($adapter);
}
$this->_adapter = new $adapter($options);
if (!$this->_adapter instanceof Zend_Validate_Barcode_AdapterInterface) {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception(
"Adapter " . $adapter . " does not implement Zend_Validate_Barcode_AdapterInterface"
);
}
return $this;
}
/**
* Returns the checksum option
*
* @return boolean
*/
public function getChecksum()
{
return $this->getAdapter()->getCheck();
}
/**
* Sets the checksum option
*
* @param boolean $checksum
* @return Zend_Validate_Barcode
*/
public function setChecksum($checksum)
{
$this->getAdapter()->setCheck($checksum);
return $this;
}
/**
* 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 (!is_string($value)) {
$this->_error(self::INVALID);
return false;
}
$this->_setValue($value);
$adapter = $this->getAdapter();
$this->_length = $adapter->getLength();
$result = $adapter->checkLength($value);
if (!$result) {
if (is_array($this->_length)) {
$temp = $this->_length;
$this->_length = "";
foreach($temp as $length) {
$this->_length .= "/";
$this->_length .= $length;
}
$this->_length = substr($this->_length, 1);
}
$this->_error(self::INVALID_LENGTH);
return false;
}
$result = $adapter->checkChars($value);
if (!$result) {
$this->_error(self::INVALID_CHARS);
return false;
}
if ($this->getChecksum()) {
$result = $adapter->checksum($value);
if (!$result) {
$this->_error(self::FAILED);
return false;
}
}
return true;
}
}