compound-binary-file-js/src/alloc/FATtoDIFATFacade.ts

This is an implementation of [Compound Binary File v.3](https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-cfb/53989ce4-7b05-4f8d-829b-d08d6148375b) \ Allows reading existing files, creation of the/write operation

import {DIFAT} from "./DIFAT";
import {FAT} from "./FAT";

export class FATtoDIFATFacade {

    private difat: DIFAT;
    private fat: FAT;

    setDifat(difat: DIFAT): void {
        this.difat = difat;
    }

    setFat(fat: FAT): void {
        this.fat = fat;
    }

    getFatSectorChain(): number[] {
        return this.difat.getFatSectorChain();
    }

    registerFatSectorInDIFAT(sectorPosition: number): void {
        this.difat.registerFATSector(sectorPosition);
    }

    registerDifatSectorInFAT(sectorPosition: number): void {
        this.fat.registerDifatSector(sectorPosition);
    }
}