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<?php |
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/** |
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* handler for PHP serialized array |
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*/ |
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namespace xKerman\Restricted; |
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/** |
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* Handler for PHP serialiezed array |
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*/ |
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class ArrayHandler implements HandlerInterface |
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{ |
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/** @var ParserInterface $expressionParser parser for unserialize expression */ |
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private $expressionParser; |
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/** @var integer */ |
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const CLOSE_BRACE_LENGTH = 1; |
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/** |
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* constructor |
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* |
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* @param ParserInterface $expressionParser parser for unserialize expression |
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*/ |
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107 |
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public function __construct(ParserInterface $expressionParser) |
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{ |
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107 |
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$this->expressionParser = $expressionParser; |
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107 |
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} |
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/** |
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* parse given `$source` as PHP serialized array |
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* |
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* @param Source $source parser input |
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* @param string $args array length |
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* @return array |
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* @throws UnserializeFailedException |
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*/ |
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public function handle(Source $source, $args) |
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{ |
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$length = intval($args, 10); |
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$result = array(); |
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for ($i = 0; $i < $length; ++$i) { |
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list($key, $source) = $this->parseKey($source); |
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list($value, $source) = $this->expressionParser->parse($source); |
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$result[$key] = $value; |
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} |
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$source->consume('}', self::CLOSE_BRACE_LENGTH); |
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return array($result, $source); |
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} |
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/** |
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* parse given `$source` as array key (s.t. integer|string) |
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* |
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* @param Source $source input |
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* @return array |
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* @throws UnserializeFailedException |
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*/ |
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private function parseKey($source) |
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{ |
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list($key, $source) = $this->expressionParser->parse($source); |
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if (!is_integer($key) && !is_string($key)) { |
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1 |
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return $source->triggerError(); |
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} |
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return array($key, $source); |
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} |
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} |
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xKerman /
restricted-unserialize
