Method get

src/app/utils/ASCIILexicalTable.ts:123–148

(index: number)

  }

  get(index: number): string | undefined {
    if (!this.hasIndex(index)) {
      return undefined;
    }

    let str = '';
    const chars = this.rangeCount(this.startCode, this.endCode);

    for (let toIndex = index, i = 0; i < this.maxStrWidth; i += 1) {
      const opStrWidth = this.maxStrWidth - i;
      const opStrTableSize = this.getWidthToSize(opStrWidth);

      const segmentSize = opStrTableSize / chars;

      const segmentIndex = Math.floor(toIndex / segmentSize);
      str += String.fromCharCode(this.startCode + segmentIndex);

      toIndex -= segmentIndex * segmentSize;
      if (toIndex === 0) {
        break;
      }
      toIndex -= 1;
    }

    return str;
  }

  previous(str: string): string | undefined {
    if (!this.has(str)) return undefined;