protected function isLengthCorrect(&$im)
{
$c = strlen($this->text);
// If we have 13 chars just flush the last one
if ($c === 13) {
$this->text = substr($this->text, 0, 12);
return true;
} elseif ($c === 12) {
return true;
} elseif ($c === 9 || $c === 10) {
if ($c === 10) {
// Before dropping it, we check if it's legal
if (array_search($this->text[9], $this->keys) === false && $this->text[9] !== 'X') {
return false;
}
$this->text = substr($this->text, 0, 9);
}
if ($this->gs1 === self::GS1_AUTO || $this->gs1 === self::GS1_PREFIX978) {
$this->text = '978' . $this->text;
} elseif ($this->gs1 === self::GS1_PREFIX979) {
$this->text = '979' . $this->text;
}
// We changed the start, recalculate the offset label
parent::setLabelOffset();
return true;
} else {
if ($im !== null) {
$this->drawError($im, 'Must provide 9, 10, 12 or 13 digits.');
}
return false;
}
}
/**
* Check correct length.
*/
protected function checkCorrectLength()
{
$c = strlen($this->text);
// If we have 13 chars just flush the last one
if ($c === 13) {
$this->text = substr($this->text, 0, 12);
} elseif ($c === 9 || $c === 10) {
if ($c === 10) {
// Before dropping it, we check if it's legal
if (array_search($this->text[9], $this->keys) === false && $this->text[9] !== 'X') {
throw new BCGParseException('isbn', 'The character \'' . $this->text[9] . '\' is not allowed.');
}
$this->text = substr($this->text, 0, 9);
}
if ($this->gs1 === self::GS1_AUTO || $this->gs1 === self::GS1_PREFIX978) {
$this->text = '978' . $this->text;
} elseif ($this->gs1 === self::GS1_PREFIX979) {
$this->text = '979' . $this->text;
}
// We changed the start, recalculate the offset label
parent::setLabelOffset();
} elseif ($c !== 12) {
throw new BCGParseException('isbn', 'The code parsed must be 9, 10, 12, or 13 digits long.');
}
}
