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<?php declare(strict_types=1); |
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/** |
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* @package s9e\Bencode |
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* @copyright Copyright (c) The s9e authors |
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
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*/ |
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namespace s9e\Bencode; |
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use ArrayObject; |
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use const SORT_STRING, false, true; |
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use function preg_match, strcmp, strlen; |
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use s9e\Bencode\Exceptions\DecodingException; |
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class NonCompliantDecoder extends Decoder |
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{ |
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/** |
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* @var bool Whether current dictionary needs to be sorted |
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*/ |
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protected bool $sortDictionary = false; |
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protected function complianceError(string $message, int $offset): void |
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{ |
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// Do nothing |
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} |
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protected function decodeDictionary(): ArrayObject |
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{ |
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$previousState = $this->sortDictionary; |
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$this->sortDictionary = false; |
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$dictionary = parent::decodeDictionary(); |
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if ($this->sortDictionary) |
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{ |
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$dictionary->ksort(SORT_STRING); |
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} |
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$this->sortDictionary = $previousState; |
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return $dictionary; |
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} |
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protected function decodeString(): string |
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{ |
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try |
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{ |
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return parent::decodeString(); |
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} |
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catch (DecodingException $e) |
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{ |
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if ($this->bencoded[$this->offset] === 'i') |
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{ |
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return (string) $this->decodeInteger(); |
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} |
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throw $e; |
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} |
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} |
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protected function dictionaryComplianceError(string $key, string $lastKey): void |
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{ |
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$this->sortDictionary = true; |
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} |
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protected function readDigits(string $terminator): string |
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{ |
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if ($this->bencoded[$this->offset] === '0') |
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{ |
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// Skip past the trailing zeroes and stop at the next digit or the last zero |
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preg_match('(0++[1-9]?)A', $this->bencoded, $m, 0, $this->offset); |
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$this->offset += strlen($m[0]) - 1; |
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} |
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return parent::readDigits($terminator); |
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} |
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} |
s9e /
Bencode
