Function parseContentDispositionAttribute

deps/undici/undici.js:6432–6503

(input, position)

    }
    __name(multipartFormDataParser, "multipartFormDataParser");
    function parseContentDispositionAttribute(input, position) {
      if (input[position.position] === 59) {
        position.position++;
      }
      collectASequenceOfBytes(
        (char) => char === 32 || char === 9,
        input,
        position
      );
      const attributeName = collectASequenceOfBytes(
        (char) => isToken(char) && char !== 61 && char !== 42,
        // not = or *
        input,
        position
      );
      if (attributeName.length === 0) {
        return null;
      }
      const attrNameStr = attributeName.toString("ascii").toLowerCase();
      const isExtended = input[position.position] === 42;
      if (isExtended) {
        position.position++;
      }
      if (input[position.position] !== 61) {
        return null;
      }
      position.position++;
      collectASequenceOfBytes(
        (char) => char === 32 || char === 9,
        input,
        position
      );
      let value;
      if (isExtended) {
        const headerValue = collectASequenceOfBytes(
          (char) => char !== 32 && char !== 13 && char !== 10 && char !== 59,
          // not space, CRLF, or ;
          input,
          position
        );
        if (headerValue[0] !== 117 && headerValue[0] !== 85 || // u or U
        headerValue[1] !== 116 && headerValue[1] !== 84 || // t or T
        headerValue[2] !== 102 && headerValue[2] !== 70 || // f or F
        headerValue[3] !== 45 || // -
        headerValue[4] !== 56) {
          throw parsingError("unknown encoding, expected utf-8''");
        }
        value = decodeURIComponent(decoder.decode(headerValue.subarray(7)));
      } else if (input[position.position] === 34) {
        position.position++;
        const quotedValue = collectASequenceOfBytes(
          (char) => char !== 10 && char !== 13 && char !== 34,
          // not LF, CR, or "
          input,
          position
        );
        if (input[position.position] !== 34) {
          throw parsingError("Closing quote not found");