Function parseInternedStrings

packages/core/src/__tests__/drawlistDecode.ts:216–257

(bytes: Uint8Array)

}

export function parseInternedStrings(bytes: Uint8Array): readonly string[] {
  if (!(bytes instanceof Uint8Array) || bytes.byteLength < HEADER_SIZE) {
    return Object.freeze([]);
  }

  const merged: string[] = [];
  let off = 0;
  let parsedAny = false;
  while (off + HEADER_SIZE <= bytes.byteLength) {
    const magic = u32(bytes, off + 0);
    const headerSize = u32(bytes, off + 8);
    const totalSize = u32(bytes, off + 12);
    if (
      magic !== ZRDL_MAGIC ||
      headerSize !== HEADER_SIZE ||
      totalSize < HEADER_SIZE ||
      (totalSize & 3) !== 0 ||
      off + totalSize > bytes.byteLength
    ) {
      break;
    }

    parsedAny = true;
    try {
      const list = parseInternedStringsSingle(bytes.subarray(off, off + totalSize));
      merged.push(...list);
    } catch {
      return Object.freeze([]);
    }
    off += totalSize;
  }

  if (parsedAny && off === bytes.byteLength) {
    return Object.freeze(merged);
  }

  try {
    return parseInternedStringsSingle(bytes);
  } catch {
    return Object.freeze([]);
  }
}

export function parseBlobById(bytes: Uint8Array, blobId: number): Uint8Array | null {
  const resources = parseResourceState(bytes);