Grammalecte  Diff

class SuggResult {
    // Structure for storing, classifying and filtering suggestions

    constructor (sWord, nDistLimit=-1) {
        this.sWord = sWord;
        this.sSimplifiedWord = str_transform.simplifyWord(sWord);
        this.nDistLimit = (nDistLimit >= 0) ? nDistLimit :  Math.floor(sWord.length / 3) + 1;
        this.nMinDist = 1000;
        this.aSugg = new Set();
        this.dSugg = new Map([ [0, []],  [1, []],  [2, []] ]);
        this.aAllSugg = new Set();      // all found words even those refused
    }

    addSugg (sSugg, nDeep=0) {
        // add a suggestion
        if (this.aAllSugg.has(sSugg)) {
            return;
        }
        this.aAllSugg.add(sSugg);
        if (!this.aSugg.has(sSugg)) {
            let nDist = str_transform.distanceDamerauLevenshtein(this.sSimplifiedWord, str_transform.simplifyWord(sSugg));
            if (nDist <= this.nDistLimit) {
                if (sSugg.includes(" ")) { // add 1 to distance for split suggestions
                    nDist += 1;
                }
                if (!this.dSugg.has(nDist)) {
                    this.dSugg.set(nDist, []);
                }

                break;
            }
            lRes.push(...lSugg);
            if (lRes.length > nSuggLimit) {
                break;
            }
        }

        if (this.sWord.gl_isUpperCase()) {
            lRes = lRes.map((sSugg) => { return sSugg.toUpperCase(); });
            lRes = [...new Set(lRes)];
        }
        else if (this.sWord.slice(0,1).gl_isUpperCase()) {
            lRes = lRes.map((sSugg) => { return sSugg.slice(0,1).toUpperCase() + sSugg.slice(1); });
            lRes = [...new Set(lRes)];

                break;
            default:
                throw ValueError("# Error: unknown code: " + this.nCompressionMethod);
        }
        //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...
        if (self && self.hasOwnProperty("lexgraph_"+this.sLangCode)) { // self is the Worker
            this.lexicographer = self["lexgraph_"+this.sLangCode];
        }

    }

    getInfo () {
        return  `  Language: ${this.sLangName}   Lang code: ${this.sLangCode}   Dictionary name: ${this.sDicName}\n` +
                `  Compression method: ${this.nCompressionMethod}   Date: ${this.sDate}   Stemming: ${this.cStemming}FX\n` +
                `  Arcs values:  ${this.nArcVal} = ${this.nChar} characters,  ${this.nAff} affixes,  ${this.nTag} tags\n` +
                `  Dictionary: ${this.nEntry} entries,    ${this.nNode} nodes,   ${this.nArc} arcs\n` +

    suggest (sWord, nSuggLimit=10, bSplitTrailingNumbers=false) {
        // returns a array of suggestions for <sWord>
        //console.time("Suggestions for " + sWord);
        sWord = str_transform.spellingNormalization(sWord);
        let sPfx = "";
        let sSfx = "";
        if (this.lexicographer) {
            [sPfx, sWord, sSfx] = this.lexicographer.split(sWord);
        }
        let nMaxSwitch = Math.max(Math.floor(sWord.length / 3), 1);
        let nMaxDel = Math.floor(sWord.length / 5);
        let nMaxHardRepl = Math.max(Math.floor((sWord.length - 5) / 4), 1);
        let nMaxJump = Math.max(Math.floor(sWord.length / 4), 1);
        let oSuggResult = new SuggResult(sWord);
        if (bSplitTrailingNumbers) {
            this._splitTrailingNumbers(oSuggResult, sWord);
        }
        this._splitSuggest(oSuggResult, sWord);
        this._suggest(oSuggResult, sWord, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump);
        let aSugg = oSuggResult.getSuggestions(nSuggLimit);
        if (this.lexicographer) {
            aSugg = this.lexicographer.filterSugg(aSugg);
        }
        if (sSfx || sPfx) {
            // we add what we removed
            return aSugg.map( (sSugg) => { return sPfx + sSugg + sSfx; } );
        }
        //console.timeEnd("Suggestions for " + sWord);
        return aSugg;
    }

    _splitTrailingNumbers (oSuggResult, sWord) {
        let m = /^([a-zA-Zà-öÀ-Ö_ø-ÿØ-ßĀ-ʯfi-st][a-zA-Zà-öÀ-Ö_ø-ÿØ-ßĀ-ʯfi-st-]+)([0-9]+)$/.exec(sWord);
        if (m  &&  !m[1].endsWith("-")  &&  !m[1].endsWith("_")) {
            oSuggResult.addSugg(m[1] + " " + str_transform.numbersToExponent(m[2]));
        }
    }

    _splitSuggest (oSuggResult, sWord) {
        // split at apostrophes
        for (let cSplitter of "'’") {
            if (sWord.includes(cSplitter)) {