Function multilineBasicString

toml/_parser.ts:510–556

(
  scanner: Scanner,
)

}

export function multilineBasicString(
  scanner: Scanner,
): ParseResult<string> {
  scanner.skipWhitespaces();
  if (!scanner.startsWith('"""')) return failure();
  scanner.next(3);
  if (scanner.char() === "\n") {
    // The first newline (LF) is trimmed
    scanner.next();
  } else if (scanner.startsWith("\r\n")) {
    // The first newline (CRLF) is trimmed
    scanner.next(2);
  }
  const acc: string[] = [];
  while (!scanner.startsWith('"""') && !scanner.eof()) {
    // line ending backslash
    if (scanner.startsWith("\\\n")) {
      scanner.next();
      scanner.nextUntilChar({ skipComments: false });
      continue;
    } else if (scanner.startsWith("\\\r\n")) {
      scanner.next();
      scanner.nextUntilChar({ skipComments: false });
      continue;
    }
    const escapedChar = escapeSequence(scanner);
    if (escapedChar.ok) {
      acc.push(escapedChar.body);
    } else {
      acc.push(scanner.char());
      scanner.next();
    }
  }

  if (scanner.eof()) {
    throw new SyntaxError(
      `Multi-line string is not closed:\n${acc.join("")}`,
    );
  }
  // if ends with 4 `"`, push the fist `"` to string
  if (scanner.char(3) === '"') {
    acc.push('"');
    scanner.next();
  }
  scanner.next(3); // skip last '""""
  return success(acc.join(""));
}

export function multilineLiteralString(
  scanner: Scanner,