Grammalecte  Diff

            sName, nCompressionMethod, sHeader, lArcVal, nArcVal, sByDic, sLang, nChar, nBytesArc, nBytesNodeAddress,
            nEntry, nNode, nArc, nAff, cStemming, nTag, dChar, nBytesOffset,
        */

        if (!(this.sHeader.startsWith("/grammalecte-fsa/") || this.sHeader.startsWith("/pyfsa/"))) {
            throw TypeError("# Error. Not a grammalecte-fsa binary dictionary. Header: " + this.sHeader);
        }
        if (!(this.nCompressionMethod == 1 || this.nCompressionMethod == 2 || this.nCompressionMethod == 3)) {
            throw RangeError("# Error. Unknown dictionary compression method: " + this.nCompressionMethod);
        }
        // <dChar> to get the value of an arc, <dCharVal> to get the char of an arc with its value
        this.dChar = helpers.objectToMap(this.dChar);
        this.dCharVal = this.dChar.gl_reverse();
        this.a2grams = (this.l2grams) ? new Set(this.l2grams) : null;

        if (!this.hasOwnProperty("lByDic")) {
            // old dictionary version
            if (!this.hasOwnProperty("sByDic")) {
                throw TypeError("# Error. No usable data in the dictionary.");
            }
            this.lByDic = [];
            let nAcc = 0;
            let lBytesBuffer = [];
            let nDivisor = (this.nBytesArc + this.nBytesNodeAddress) / 2;
            for (let i = 0;  i < this.sByDic.length;  i+=2) {
                lBytesBuffer.push(parseInt(this.sByDic.slice(i, i+2), 16));
                if (nAcc == (this.nBytesArc - 1)) {
                    this.lByDic.push(this._convBytesToInteger(lBytesBuffer));
                    lBytesBuffer = [];
                }
                else if (nAcc == (this.nBytesArc + this.nBytesNodeAddress - 1)) {
                    this.lByDic.push(Math.round(this._convBytesToInteger(lBytesBuffer) / nDivisor));  // Math.round should be useless, BUT with JS who knowns what can happen…
                    lBytesBuffer = [];
                    nAcc = -1;
                }
                nAcc = nAcc + 1;
            }
        }

        // masks
        this._arcMask = (2 ** ((this.nBytesArc * 8) - 3)) - 1;
        this._finalNodeMask = 1 << ((this.nBytesArc * 8) - 1);
        this._lastArcMask = 1 << ((this.nBytesArc * 8) - 2);

        // function to decode the affix/suffix code
        if (this.cStemming == "S") {
            this.funcStemming = str_transform.changeWordWithSuffixCode;
        } else if (this.cStemming == "A") {
            this.funcStemming = str_transform.changeWordWithAffixCode;
        } else {
            this.funcStemming = str_transform.noStemming;
        }

        /*
            Bug workaround.
            Mozilla’s JS parser sucks. Can’t read file bigger than 4 Mb!
            So we convert huge hexadecimal string to list of numbers…
            https://github.com/mozilla/addons-linter/issues/1361
        */
        /*
            Performance trick:
            Instead of converting bytes to integers each times we parse the binary dictionary,
            we do it once, then parse the array
        */
        this.lByDic = [];
        let nAcc = 0;
        let lBytesBuffer = [];
        let nDivisor = (this.nBytesArc + this.nBytesNodeAddress) / 2;
        for (let i = 0;  i < this.sByDic.length;  i+=2) {
            lBytesBuffer.push(parseInt(this.sByDic.slice(i, i+2), 16));
            if (nAcc == (this.nBytesArc - 1)) {
                this.lByDic.push(this._convBytesToInteger(lBytesBuffer));
                lBytesBuffer = [];
            }
            else if (nAcc == (this.nBytesArc + this.nBytesNodeAddress - 1)) {
                this.lByDic.push(Math.round(this._convBytesToInteger(lBytesBuffer) / nDivisor));  // Math.round should be useless, BUT with JS who knowns what can happen…
                lBytesBuffer = [];
                nAcc = -1;
            }
            nAcc = nAcc + 1;
        }
        /* end of bug workaround */

        this._arcMask = (2 ** ((this.nBytesArc * 8) - 3)) - 1;
        this._finalNodeMask = 1 << ((this.nBytesArc * 8) - 1);
        this._lastArcMask = 1 << ((this.nBytesArc * 8) - 2);

        //console.log(this.getInfo());
        this.bAcronymValid = true;
        this.bNumAtLastValid = false;

        // lexicographer module ?
        this.lexicographer = null;
        // JS still sucks: we’ll try importation when importation will be available in Workers. Still waiting...