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<?php |
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namespace Networkteam\JsonSeq; |
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class StringDecoder |
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{ |
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7
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const RS = "\x1E"; |
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/** |
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* @var bool |
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*/ |
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private $jsonDecodeAssoc; |
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/** |
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* @var int |
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*/ |
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private $jsonDecodeDepth; |
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/** |
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* @var int |
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*/ |
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private $jsonDecodeOptions; |
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public function __construct(bool $assoc = false, int $depth = 512, int $options = 0) |
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{ |
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6 |
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$this->jsonDecodeAssoc = $assoc; |
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6 |
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$this->jsonDecodeDepth = $depth; |
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$this->jsonDecodeOptions = $options; |
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6 |
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} |
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public function decode(string $content): iterable |
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{ |
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6 |
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$lastPos = 0; |
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6 |
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$length = strlen($content); |
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6 |
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while ($lastPos < $length && ($nextPos = strpos($content, self::RS, $lastPos)) !== false) { |
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5 |
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$lastPos = strpos($content, self::RS, $nextPos + 1); |
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if ($lastPos === false) { |
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$lastPos = $length; |
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} |
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// RFC7464 2.1 states that "Multiple consecutive RS octets do not denote empty sequence elements |
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// between them and can be ignored." |
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if ($lastPos === $nextPos + 1) { |
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1 |
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continue; |
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} |
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5 |
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$jsonText = substr($content, $nextPos + 1, $lastPos - ($nextPos + 1)); |
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$data = $this->jsonDecode($jsonText); |
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yield $data; |
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} |
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6 |
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} |
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/** |
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* @param string $jsonText |
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* @return mixed|ParseError |
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*/ |
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private function jsonDecode(string $jsonText) |
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{ |
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$data = json_decode($jsonText, $this->jsonDecodeAssoc, $this->jsonDecodeDepth, $this->jsonDecodeOptions); |
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if ($data === null && ($jsonLastError = json_last_error()) !== JSON_ERROR_NONE) { |
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// RFC7464 2.1 states that the parser should continue, so we return a ParseError here |
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1 |
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$data = new ParseError($jsonLastError, json_last_error_msg()); |
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} |
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return $data; |
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} |
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} |
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networkteam /
json-seq
