Grammalecte  Check-in [3b3a02f4d3]

Overview
Comment:[graphspell][js] suggest optimisation with Jaro-Winkler (thanks to IllusionPerdu)
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Timelines: family | ancestors | descendants | both | graphspell | bdic_opt
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SHA3-256: 3b3a02f4d385bf7b9d9c2ef3f992cc0c7cc150c8b7366c74ade85c8154499a54
User & Date: olr on 2020-09-15 13:50:00
Other Links: branch diff | manifest | tags
Context
2020-09-15
14:01
[graphspell][js] remove specific trick in cleanWord() check-in: 6569849b49 user: olr tags: graphspell, bdic_opt
13:50
[graphspell][js] suggest optimisation with Jaro-Winkler (thanks to IllusionPerdu) check-in: 3b3a02f4d3 user: olr tags: graphspell, bdic_opt
2020-09-14
14:38
[graphspell] string comparison: use Jaro-Winkler check-in: efebe44d15 user: olr tags: graphspell, bdic_opt
Changes
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Modified graphspell-js/char_player.js from [0602ec129b] to [8dac23cf9b]. 

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// list of similar chars
// useful for suggestion mechanism

/* jshint esversion:6 */
/* jslint esversion:6 */

${map}


var char_player = {

    /*
        oDistanceBetweenChars:
            - with Jaro-Winkler, values between 1 and 10
            - with Damerau-Levenshtein, values / 10 (between 0 and 1: 0.1, 0.2 ... 0.9)
    */
    oDistanceBetweenChars: {
        "a": {},
        "e": {"é": 0.5},
        "é": {"e": 0.5},
        "i": {"y": 0.2},
        "o": {},
        "u": {},
        "y": {"i": 0.3},
        "b": {"d": 0.8, "h": 0.9},
        "c": {"ç": 0.1, "k": 0.5, "q": 0.5, "s": 0.5, "x": 0.5, "z": 0.8},
        "d": {"b": 0.8},
        "f": {"v": 0.8},
        "g": {"j": 0.5},
        "h": {"b": 0.9},
        "j": {"g": 0.5, "i": 0.9},
        "k": {"c": 0.5, "q": 0.1, "x": 0.5},
        "l": {"i": 0.9},
        "m": {"n": 0.8},
        "n": {"m": 0.8, "r": 0.9},
        "p": {"q": 0.9},
        "q": {"c": 0.5, "k": 0.1, "p": 0.9},
        "r": {"n": 0.9, "j": 0.9},
        "s": {"c": 0.5, "ç": 0.1, "x": 0.5, "z": 0.5},
        "t": {"d": 0.9},
        "v": {"f": 0.8, "w": 0.1},
        "w": {"v": 0.1},
        "x": {"c": 0.5, "k": 0.5, "q": 0.5, "s": 0.5},
        "z": {"s": 0.5}
        //"a": {},
        "e": {"é": 5},
        //"é": {"e": 5},
        "i": {"y": 2},
        //"o": {},
        //"u": {},
        "y": {"i": 3},
        "b": {"d": 8, "h": 9},
        "c": {"ç": 1, "k": 5, "q": 5, "s": 5, "x": 5, "z": 8},
        "d": {"b": 8},
        "f": {"v": 8},
        "g": {"j": 5},
        "h": {"b": 9},
        "j": {"g": 5, "i": 9},
        "k": {"c": 5, "q": 1, "x": 5},
        "l": {"i": 9},
        "m": {"n": 8},
        "n": {"m": 8, "r": 9},
        "p": {"q": 9},
        "q": {"c": 5, "k": 1, "p": 9},
        "r": {"n": 9, "j": 9},
        "s": {"c": 5, "ç": 1, "x": 5, "z": 5},
        "t": {"d": 9},
        "v": {"f": 8, "w": 1},
        "w": {"v": 1},
        "x": {"c": 5, "k": 5, "q": 5, "s": 5},
        "z": {"s": 5}
    },

    distanceBetweenChars: function (c1, c2) {
        if (c1 == c2) {
            return 0;
        }
        if (this.oDistanceBetweenChars.hasOwnProperty(c1) && this.oDistanceBetweenChars[c1].hasOwnProperty(c2)) {
︙

Modified graphspell-js/ibdawg.js from [1cb5337715] to [2160aa77f7].

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    var char_player = require("./char_player.js");
}


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

    constructor (sWord, nDistLimit=-1) {
    constructor (sWord, nSuggLimit=10, 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;
        // Temporary sets
        this.aSugg = new Set();
        this.dSugg = new Map([ [0, []],  [1, []],  [2, []] ]);
        this.aAllSugg = new Set();      // all found words even those refused
        this.aAllSugg = new Set();  // All suggestions, even the one rejected
        this.dGoodSugg = new Map(); // Acceptable suggestions
        this.dBestSugg = new Map(); // Best suggestions
        // Parameters
        this.nSuggLimit = nSuggLimit;
        this.nSuggLimitExt = nSuggLimit + 2;                // we add few entries in case suggestions merge after casing modifications
        this.nBestSuggLimit = Math.floor(nSuggLimit * 1.5); // n times the requested limit
        this.nGoodSuggLimit = nSuggLimit * 15;              // n times the requested limit
    }

    addSugg (sSugg, nDeep=0) {
    addSugg (sSugg) {
        // add a suggestion
        if (this.aAllSugg.has(sSugg)) {
            return;
        }
        this.aAllSugg.add(sSugg);
        if (!this.aSugg.has(sSugg)) {
            //let nDist = Math.floor(str_transform.distanceDamerauLevenshtein(this.sSimplifiedWord, str_transform.simplifyWord(sSugg)));
            let nDist = Math.floor((1 - str_transform.distanceJaroWinkler(this.sSimplifiedWord, str_transform.simplifyWord(sSugg)))*10);
            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, []);
                }
        // jaro 0->1 1 les chaines sont égale
        let nDistJaro = 1 - str_transform.distanceJaroWinkler(this.sSimplifiedWord, str_transform.simplifyWord(sSugg));
        let nDist = Math.floor(nDistJaro * 10);
        if (nDistJaro < .11) {        // Best suggestions
            this.dBestSugg.set(sSugg, Math.round(nDistJaro*1000));
            if (this.dBestSugg.size > this.nBestSuggLimit) {
                this.nDistLimit = -1; // make suggest() to end search
            }
        } else if (nDistJaro < .33) { // Good suggestions
            this.dGoodSugg.set(sSugg, Math.round(nDistJaro*1000));
            if (this.dGoodSugg.size > this.nGoodSuggLimit) {
                this.nDistLimit = -1; // make suggest() to end search
            }
                this.dSugg.get(nDist).push(sSugg);
                this.aSugg.add(sSugg);
                if (nDist < this.nMinDist) {
                    this.nMinDist = nDist;
                }
                this.nDistLimit = Math.min(this.nDistLimit, this.nMinDist+1);
            }
        } else {
            if (nDist < this.nMinDist) {
                this.nMinDist = nDist;
            }
            this.nDistLimit = Math.min(this.nDistLimit, this.nMinDist);
        }
        if (nDist <= this.nDistLimit) {
            if (nDist < this.nMinDist) {
                this.nMinDist = nDist;
            }
            this.nDistLimit = Math.min(this.nDistLimit, this.nMinDist+1);
        }
    }

    getSuggestions (nSuggLimit=10) {
    getSuggestions () {
        // return a list of suggestions
        let lRes = [];
        if (this.dBestSugg.size > 0) {
        let bFirstListSorted = false;
        for (let [nDist, lSugg] of this.dSugg.entries()) {
            if (nDist > this.nDistLimit) {
            // sort only with simplified words
            let lResTmp = [...this.dBestSugg.entries()].sort((a, b) => { return a[1] - b[1]; });
            let nSize = Math.min(this.nSuggLimitExt, lResTmp.length);
                break;
            for (let i=0;  i < nSize;  i++){
                lRes.push(lResTmp[i][0]);
            }
        }
            if (!bFirstListSorted && lSugg.length > 1) {
                //lRes.sort((a, b) => { return str_transform.distanceDamerauLevenshtein(this.sWord, a) - str_transform.distanceDamerauLevenshtein(this.sWord, b); });
                lRes.sort((a, b) => { return str_transform.distanceJaroWinkler(this.sWord, b) - str_transform.distanceJaroWinkler(this.sWord, a); });
        if (lRes.length < this.nSuggLimitExt) {
            // sort with simplified words and original word
            let lResTmp = [...this.dGoodSugg.entries()].sort((a, b) => {
                // Low precision to rely more on simplified words
                let nJaroA = Math.round(str_transform.distanceJaroWinkler(this.sWord, a[0]) * 10);
                let nJaroB = Math.round(str_transform.distanceJaroWinkler(this.sWord, b[0]) * 10);
                bFirstListSorted = true;
            }
            lRes.push(...lSugg);
                if (nJaroA == nJaroB) {
                    return a[1] - b[1];     // warning: both lists are NOT sorted the same way (key: a-b)
                } else {
                    return nJaroB - nJaroA; // warning: both lists are NOT sorted the same way (key: b-a)
                }
            }).slice(0, this.nSuggLimitExt);
            let nSize = Math.min(this.nSuggLimitExt, lResTmp.length);
            for (let i=0;  i < nSize;  i++){
                lRes.push(lResTmp[i][0]);
            if (lRes.length > nSuggLimit) {
                break;
            }
        }
        // casing
        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)];
        }
        return lRes.slice(0, nSuggLimit);
        return lRes.slice(0, this.nSuggLimit);
    }

    reset () {
        this.aSugg.clear();
        this.dSugg.clear();
        this.dSugg.clear();
        this.dGoodSugg.clear();
        this.dBestSugg.clear();
    }
}


class IBDAWG {
    // INDEXABLE BINARY DIRECT ACYCLIC WORD GRAPH
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        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);
        let oSuggResult = new SuggResult(sWord, nSuggLimit);
        let sWord = str_transform.cleanWord(sWord);
        if (bSplitTrailingNumbers) {
            this._splitTrailingNumbers(oSuggResult, sWord);
        }
        this._splitSuggest(oSuggResult, sWord);
        this._suggest(oSuggResult, sWord, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump);
        let aSugg = oSuggResult.getSuggestions(nSuggLimit);
        let aSugg = oSuggResult.getSuggestions();
        if (this.lexicographer) {
            aSugg = this.lexicographer.filterSugg(aSugg);
        }
        if (sSfx || sPfx) {
            // we add what we removed
            return aSugg.map( (sSugg) => { return sPfx + sSugg + sSfx; } );
        }
︙

Modified graphspell-js/str_transform.js from [5a573a5745] to [8ec0376c2c].

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            if (c != sWord.slice(i, i+1) || (c == 'e' && sWord.slice(i, i+2) != "ee")) {  // exception for <e> to avoid confusion between crée / créai
                sNewWord += c;
            }
            i++;
        }
        return sNewWord.replace(/eau/g, "o").replace(/au/g, "o").replace(/ai/g, "éi").replace(/ei/g, "é").replace(/ph/g, "f");
    },

    cleanWord: function (sWord) {
        // word clean for the user who make commun and preditive error help suggest
        // remove letters repeated more than 2 times
        if (sWord.match(/(.)(\1){2,}/igm)){
            sWord = sWord.replace(/(.*)(.)(.\2)/igm,'$1$2').replace(/(.)(\1)+/igm,'$1$1');
        }
        // words ending with -ik -> replace with -ique
        if (sWord.match(/ik$/ig)){
            sWord = sWord.replace(/(.*)ik$/ig,'$1ique');
        }
        return sWord;
    },

    _xTransNumbersToExponent: new Map([
        ["0", "⁰"], ["1", "¹"], ["2", "²"], ["3", "³"], ["4", "⁴"], ["5", "⁵"], ["6", "⁶"], ["7", "⁷"], ["8", "⁸"], ["9", "⁹"]
    ]),

    numbersToExponent: function (sWord) {
        let sNewWord = "";
︙
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        let adjwt = char_player.oDistanceBetweenChars;
        if (minv > Num_com) {
          for (let i = 0; i < a_len; i++) {
            if (!a_flag[i]) {
              for (let j = 0; j < b_len; j++) {
                if (!b_flag[j]) {
                  if (adjwt[a[i]] && adjwt[a[i]][b[j]]) {
                    N_simi += adjwt[a[i]][b[j]] * 10; // le fois 10 est un ajustement pour que ça fonctionne bien dans cette fonction
                    N_simi += adjwt[a[i]][b[j]];
                    b_flag[j] = 2;
                    break;
                  }
                }
              }
            }
          }
︙

Fossil 2.24 [8be0372c10] 2024-04-23 13:25:26
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