/**
* Checks for allowed characters
* @see Zend\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;
}
/**
* Allows X on length of 8 chars
*
* @param string $value The barcode to check for allowed characters
* @return bool
*/
public function hasValidCharacters($value)
{
if (strlen($value) != 8) {
if (strpos($value, 'X') !== false) {
return false;
}
}
return parent::hasValidCharacters($value);
}
/**
* Allows start and stop tag within checked chars
*
* @param string $value The barcode to check for allowed characters
* @return boolean
*/
public function hasValidCharacters($value)
{
if ($value[0] == '(') {
$value = substr($value, 1);
if ($value[strlen($value) - 1] == ')') {
$value = substr($value, 0, -1);
} else {
return false;
}
}
return parent::hasValidCharacters($value);
}
