Method parseCidRange

src/fontbox/cmap/parser.ts:365–400

(count: number, result: CMap)

  }

  private parseCidRange(count: number, result: CMap): void {
    for (let i = 0; i < count; i++) {
      const startToken = this.parseNextToken();

      if (isOperator(startToken)) {
        break;
      }

      if (!(startToken instanceof Uint8Array)) {
        throw new Error("Expected hex string for cidrange start");
      }

      const endToken = this.parseNextToken();

      if (!(endToken instanceof Uint8Array)) {
        throw new Error("Expected hex string for cidrange end");
      }

      const cidToken = this.parseNextToken();

      if (typeof cidToken !== "number") {
        throw new Error("Expected integer for cidrange CID");
      }

      if (startToken.length !== endToken.length) {
        throw new Error("cidrange start and end must have same length");
      }

      // Check if it's a single value (some CMaps use ranges for single values)
      if (arraysEqual(startToken, endToken)) {
        result.addCIDMapping(startToken, cidToken);
      } else {
        result.addCIDRange(startToken, endToken, cidToken);
      }
    }
  }

  // =========================================================================
  // Tokenizer