<?php

namespace Badcow\DNS\Parser;

class ParseException extends \Exception
{
	/** @var StringIterator */
	private $stringIterator;


	/**
	 * ParseException constructor.
	 *
	 * @param string              $message
	 * @param StringIterator|null $stringIterator
	 * @param \Throwable|null     $previous
	 */
	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.
	 *
	 * @return int
	 */
	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;
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzYwNzQ0OTExNzI3MTg0MyAxNDc4NTc2NTA0ODExODEzIDM2MDAyMTExNjQ1NjQyNQ==