Function parseDictionaryInternal

http/unstable_structured_fields.ts:643–682

(state: ParserState)

}

function parseDictionaryInternal(state: ParserState): Dictionary {
  const dict: Map<string, Item | InnerList> = new Map();

  while (!isEof(state)) {
    const key = parseKey(state);
    let member: Item | InnerList;

    if (peek(state) === "=") {
      consume(state); // consume '='
      member = parseItemOrInnerList(state);
    } else {
      // Bare key means boolean true with parameters
      const parameters = parseParameters(state);
      member = {
        value: { type: "boolean", value: true },
        parameters,
      };
    }

    dict.set(key, member);
    skipOWS(state);
    if (isEof(state)) {
      return dict;
    }
    if (peek(state) !== ",") {
      throw new SyntaxError(
        `Invalid structured field: expected ',' at position ${state.pos}`,
      );
    }
    consume(state); // consume ','
    skipOWS(state);
    if (isEof(state)) {
      throw new SyntaxError(
        "Invalid structured field: trailing comma in dictionary",
      );
    }
  }

  return dict;
}

/**
 * Parses an Item Structured Field value.