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<?php |
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/** |
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* @author: Viskov Sergey |
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* @date : 8/5/15 |
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* @time : 1:34 PM |
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*/ |
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namespace LTDBeget\dns; |
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use Exception; |
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use LTDBeget\stringstream\StringStream; |
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/** |
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* Class SyntaxErrorException |
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* |
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* @package LTDBeget\dns |
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*/ |
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class SyntaxErrorException extends \RuntimeException |
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{ |
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/** |
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* @var int |
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*/ |
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private $error_line; |
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/** |
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* @var string |
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*/ |
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private $unexpected_char; |
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/** |
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* @var string |
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*/ |
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private $messageTemplate = "Parse error: syntax error, unexpected '%s' on line %d."; |
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/** |
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* SyntaxErrorException constructor. |
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* |
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* @param StringStream $stream |
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* @param int $code |
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* @param Exception|null $previous |
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*/ |
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public function __construct(StringStream $stream, int $code = 0, Exception $previous = NULL) |
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{ |
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if ($stream->isEnd()) { |
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$stream->end(); |
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} |
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$this->unexpected_char = $stream->current(); |
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$this->error_line = $this->getParseErrorLineNumber($stream); |
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$message = sprintf($this->messageTemplate, $this->unexpected_char, $this->error_line); |
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parent::__construct($message, $code, $previous); |
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1 |
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} |
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/** |
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* @internal |
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* @param StringStream $stream |
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* @return int |
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*/ |
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1 |
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private function getParseErrorLineNumber(StringStream $stream) : int |
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{ |
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$parse_error_char_position = $stream->position(); |
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1 |
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$plain_data = $this->getFullString($stream); |
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1 |
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$exploded_by_lines = explode("\n", $plain_data); |
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1 |
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foreach ($exploded_by_lines as $key => $line) { |
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1 |
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$line_length = strlen($line) + 1; |
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1 |
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$parse_error_char_position -= $line_length; |
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1 |
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if ($parse_error_char_position < 0) { |
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1 |
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return $key + 1; |
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} |
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} |
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return 1; |
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} |
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/** |
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* @param StringStream $stream |
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* @return string |
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*/ |
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1 |
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private function getFullString(StringStream $stream) : string |
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{ |
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$stream->start(); |
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$string = ''; |
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do { |
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1 |
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$string .= $stream->current(); |
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1 |
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$stream->next(); |
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1 |
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} while (!$stream->isEnd()); |
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return $string; |
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} |
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/** |
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* @return int |
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*/ |
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public function getErrorLine() |
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{ |
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return $this->error_line; |
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} |
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/** |
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* @return string |
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*/ |
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public function getUnexpectedChar() |
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{ |
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return $this->unexpected_char; |
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} |
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} |
LTD-Beget /
dns-zone-tokenizer
