Method getObject

src/parser/object-stream-parser.ts:150–182

* Get an object by its index within the stream. * * @param index - 0-based index from XRef entry's indexInStream * @returns The parsed object, or null if index is out of range

(index: number)

   * @returns The parsed object, or null if index is out of range
   */
  getObject(index: number): PdfObject | null {
    this.parse();

    if (this.index === null) {
      throw new ObjectParseError("Index not parsed");
    }

    if (index < 0 || index >= this.index.length) {
      return null;
    }

    const entry = this.index[index];

    if (this.decodedData === null) {
      throw new ObjectParseError("Decoded data not parsed");
    }

    // Create scanner starting at the object's offset within the object section
    const objectSection = this.decodedData.subarray(this.first);
    const scanner = new Scanner(objectSection);

    scanner.moveTo(entry.offset);

    const reader = new TokenReader(scanner);
    const parser = new ObjectParser(reader);

    parser.recoveryMode = this.options.recoveryMode ?? false;
    parser.onWarning = this.options.onWarning ?? null;

    const result = parser.parseObject();

    return result?.object ?? null;
  }

  /**
   * Get all objects in this stream.