__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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<?php
declare(strict_types=1);
/*
* This file is part of Badcow DNS Library.
*
* (c) Samuel Williams <sam@badcow.co>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Badcow\DNS\Parser;
class ParseException extends \Exception
{
/**
* @var StringIterator
*/
private $stringIterator;
/**
* ParseException constructor.
*/
public function __construct(string $message = '', StringIterator $stringIterator = null, \Throwable $previous = null)
{
if (null !== $stringIterator) {
$this->stringIterator = $stringIterator;
$message .= sprintf(' [Line no: %d]', $this->getLineNumber());
}
parent::__construct($message, 0, $previous);
}
/**
* Get line number of current entry on the StringIterator.
*/
private function getLineNumber(): int
{
$pos = $this->stringIterator->key();
$this->stringIterator->rewind();
$lineNo = 1;
while ($this->stringIterator->key() < $pos) {
if ($this->stringIterator->is(Tokens::LINE_FEED)) {
++$lineNo;
}
$this->stringIterator->next();
}
return $lineNo;
}
}