Method parseObjectAt

src/parser/brute-force-parser.ts:386–413

* Parse the object at the given byte offset. * Returns the dictionary if it's a dict, null otherwise. * Collects warnings from the parser.

(offset: number, objNum: number, genNum: number)

   * Collects warnings from the parser.
   */
  private parseObjectAt(offset: number, objNum: number, genNum: number): PdfDict | null {
    this.scanner.moveTo(offset);

    const reader = new TokenReader(this.scanner);

    // Skip "N M obj"
    reader.nextToken(); // objNum
    reader.nextToken(); // genNum
    reader.nextToken(); // "obj" keyword

    const parser = new ObjectParser(reader);
    parser.recoveryMode = true;
    parser.onWarning = msg => {
      this.warnings.push(`Object ${objNum} ${genNum}: ${msg}`);
    };

    const result = parser.parseObject();

    if (result === null) {
      return null;
    }

    if (result.object instanceof PdfDict) {
      return result.object;
    }

    return null;
  }

  /**
   * Parse the full object (including streams) at the given byte offset.