<?php
/**
* @see https://github.com/laminas/laminas-validator for the canonical source repository
* @copyright https://github.com/laminas/laminas-validator/blob/master/COPYRIGHT.md
* @license https://github.com/laminas/laminas-validator/blob/master/LICENSE.md New BSD License
*/
namespace Laminas\Validator\Barcode;
class Codabar extends AbstractAdapter
{
/**
* Constructor for this barcode adapter
*/
public function __construct()
{
$this->setLength(-1);
$this->setCharacters('0123456789-$:/.+ABCDTN*E');
$this->useChecksum(false);
}
/**
* Checks for allowed characters
* @see Laminas\Validator\Barcode.AbstractAdapter::checkChars()
*/
public function hasValidCharacters($value)
{
if (strpbrk($value, 'ABCD')) {
$first = $value[0];
if (! strpbrk($first, 'ABCD')) {
// Missing start char
return false;
}
$last = substr($value, -1, 1);
if (! strpbrk($last, 'ABCD')) {
// Missing stop char
return false;
}
$value = substr($value, 1, -1);
} elseif (strpbrk($value, 'TN*E')) {
$first = $value[0];
if (! strpbrk($first, 'TN*E')) {
// Missing start char
return false;
}
$last = substr($value, -1, 1);
if (! strpbrk($last, 'TN*E')) {
// Missing stop char
return false;
}
$value = substr($value, 1, -1);
}
$chars = $this->getCharacters();
$this->setCharacters('0123456789-$:/.+');
$result = parent::hasValidCharacters($value);
$this->setCharacters($chars);
return $result;
}
}