Method parseDict

src/parser/object-parser.ts:278–367

()

  }

  private parseDict(): ParseResult {
    this.shift(); // consume '<<'

    // Collect entries in array to pass to constructor (avoids setting dirty flag)
    const entries: [PdfName, PdfObject][] = [];

    while (true) {
      this.ensureBufferFilled();

      if (this.buf1 === null || this.buf1.type === "eof") {
        if (this.recoveryMode) {
          this.warn("Unterminated dictionary at EOF");
          break;
        }

        throw new ObjectParseError("Unterminated dictionary at EOF");
      }

      if (this.buf1.type === "delimiter" && this.buf1.value === ">>") {
        // Partial shift: move buf2 to buf1, but DON'T fill buf2.
        // This prevents reading past a "stream" keyword into binary data.
        this.buf1 = this.buf2;
        this.buf2 = null;
        break;
      }

      // Key must be a name
      if (this.buf1.type !== "name") {
        if (this.recoveryMode) {
          this.warn(`Invalid dictionary key: expected name, got ${this.buf1.type}`);
          // Skip the invalid key AND its would-be value (pair recovery)
          this.skipInvalidPair();
          continue;
        }

        throw new ObjectParseError(`Invalid dictionary key: expected name, got ${this.buf1.type}`);
      }

      const key = PdfName.of(this.buf1.value);

      this.shift(); // consume key

      // Check if value is missing (>> immediately after key)
      this.ensureBufferFilled();
      const valueToken = this.current();
      if (valueToken !== null && valueToken.type === "delimiter" && valueToken.value === ">>") {
        if (this.recoveryMode) {
          this.warn(`Missing value for key ${key.value}`);
          // Don't consume >>, let the loop handle it
          continue;
        }

        throw new ObjectParseError(`Missing value for key ${key.value}`);
      }

      // Parse value
      const valueResult = this.parseObject();