Grammalecte  Check-in [51af80e942]

// Map

if (Map.prototype.__grammalecte__ === undefined) {
    Map.prototype._shallowCopy = function () {
        let oNewMap = new Map();
        for (let [key, val] of this.entries()) {
            oNewMap.set(key, val);
        }
        return oNewMap;
    }

    Map.prototype._get = function (key, defaultValue) {
        let res = this.get(key);
        if (res !== undefined) {
            return res;
        }
        return defaultValue;
    }

    Map.prototype._toString = function () {
        // Default .toString() gives nothing useful
        let sRes = "{ ";
        for (let [k, v] of this.entries()) {
            sRes += (typeof k === "string") ? '"' + k + '": ' : k.toString() + ": ";
            sRes += (typeof v === "string") ? '"' + v + '", ' : v.toString() + ", ";
        }
        sRes = sRes.slice(0, -2) + " }"
        return sRes;
    }

    Map.prototype._update = function (dDict) {
        for (let [k, v] of dDict.entries()) {
            this.set(k, v);
        }
    }

    Map.prototype._updateOnlyExistingKeys = function (dDict) {
        for (let [k, v] of dDict.entries()) {
            if (this.has(k)){
                this.set(k, v);
            }
        }
    }

    Map.prototype.__grammalecte__ = true;
}

// regex

if (RegExp.prototype.__grammalecte__ === undefined) {
    RegExp.prototype._exec2 = function (sText, aGroupsPos, aNegLookBefore=null) {
        let m;
        while ((m = this.exec(sText)) !== null) {
            // we have to iterate over sText here too
            // because first match doesn’t imply it’s a valid match according to negative lookbefore assertions,
            // and even if first match is finally invalid, it doesn’t mean the following eligible matchs would be invalid too.
            if (aNegLookBefore !== null) {
                // check negative look before assertions
                if ( !aNegLookBefore.some(sRegEx  =>  (RegExp.leftContext.search(sRegEx) >= 0)) ) {
                    break;
                }
            } else {
                break;
            }
        }
        if (m === null) {
            return null;
        }

        let codePos;
        let iPos = 0;
        m.start = [m.index];
        m.end = [this.lastIndex];
        if (m.length > 1) {
            // there is subgroup(s)
            if (aGroupsPos !== null) {
                // aGroupsPos is defined
                for (let i = 1; i <= m.length-1; i++) {
                    codePos = aGroupsPos[i-1];
                    if (typeof codePos === "number") {
                        // position as a number
                        m.start.push(m.index + codePos);
                        m.end.push(m.index + codePos + m[i].length);
                    } else if (codePos === "$") {
                        // at the end of the pattern
                        m.start.push(this.lastIndex - m[i].length);
                        m.end.push(this.lastIndex);
                    } else if (codePos === "w") {
                        // word in the middle of the pattern
                        iPos = m[0].search("[ ~’,()«»“”]"+m[i]+"[ ,’~()«»“”]") + 1 + m.index
                        m.start.push(iPos);
                        m.end.push(iPos + m[i].length)
                    } else if (codePos === "*") {
                        // anywhere
                        iPos = m[0].indexOf(m[i]) + m.index;
                        m.start.push(iPos);
                        m.end.push(iPos + m[i].length)
                    } else if (codePos === "**") {
                        // anywhere after previous group
                        iPos = m[0].indexOf(m[i], m.end[i-1]-m.index) + m.index;
                        m.start.push(iPos);
                        m.end.push(iPos + m[i].length)
                    } else if (codePos.startsWith(">")) {
                        // >x:_
                        // todo: look in substring x
                        iPos = m[0].indexOf(m[i]) + m.index;
                        m.start.push(iPos);
                        m.end.push(iPos + m[i].length);
                    } else {
                        console.error("# Error: unknown positioning code in regex [" + this.source + "], for group[" + i.toString() +"], code: [" + codePos + "]");
                    }
                }
            } else {
                // no aGroupsPos
                for (let subm of m.slice(1)) {
                    iPos = m[0].indexOf(subm) + m.index;
                    m.start.push(iPos);
                    m.end.push(iPos + subm.length);
                }
            }
        }
        return m;
    }

    RegExp.prototype.__grammalecte__ = true;
}

// String

if (String.prototype.__grammalecte__ === undefined) {
    String.prototype._count = function (sSearch, bOverlapping) {
        // http://jsperf.com/string-ocurrence-split-vs-match/8
        if (sSearch.length <= 0) {
            return this.length + 1;
        }
        let nOccur = 0;
        let iPos = 0;
        let nStep = (bOverlapping) ? 1 : sSearch.length;
        while ((iPos = this.indexOf(sSearch, iPos)) >= 0) {
            nOccur++;
            iPos += nStep;
        }
        return nOccur;
    }
    String.prototype._isDigit = function () {
        return (this.search(/^[0-9⁰¹²³⁴⁵⁶⁷⁸⁹]+$/) !== -1);
    }
    String.prototype._isLowerCase = function () {
        return (this.search(/^[a-zà-öø-ÿ0-9-]+$/) !== -1);
    }
    String.prototype._isUpperCase = function () {
        return (this.search(/^[A-ZÀ-ÖØ-ߌ0-9-]+$/) !== -1);
    }
    String.prototype._isTitle = function () {
        return (this.search(/^[A-ZÀ-ÖØ-ߌ][a-zà-öø-ÿ'’-]+$/) !== -1);
    }
    String.prototype._toCapitalize = function () {
        return this.slice(0,1).toUpperCase() + this.slice(1).toLowerCase();
    }
    String.prototype._expand = function (oMatch) {
        let sNew = this;
        for (let i = 0; i < oMatch.length ; i++) {
            let z = new RegExp("\\\\"+parseInt(i), "g");
            sNew = sNew.replace(z, oMatch[i]);
        }
        return sNew;
    }
    String.prototype._trimRight = function (sChars) {
        let z = new RegExp("["+sChars+"]+$");
        return this.replace(z, "");
    }
    String.prototype._trimLeft = function (sChars) {
        let z = new RegExp("^["+sChars+"]+");
        return this.replace(z, "");
    }
    String.prototype._trim = function (sChars) {
        let z1 = new RegExp("^["+sChars+"]+");
        let z2 = new RegExp("["+sChars+"]+$");
        return this.replace(z1, "").replace(z2, "");
    }

    String.prototype.__grammalecte__ = true;
}