main.js

/* 
 * Cette oeuvre, création, site ou texte est sous licence Creative Commons  Attribution - Pas de Modification 4.0 International. Pour accéder à une copie de cette licence, merci de vous rendre à l'adresse suivante http://creativecommons.org/licenses/by-nd/4.0/ ou envoyez un courrier à Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
 */

var fs = require('fs');

//ne pas oublier d'en faire une version async pour permetre d'utiliser caoutchouc dans des callbacks
var Caoutchouc = function (filePath, searchSentence) {

    this.tree;
    //this.currentLevel;
    this.sectionsStartPoint = [];
    this.aCursors = {};

    if (searchSentence)
        this.searchSentence = true;
    else
        this.searchSentence = false;

    if (typeof (filePath) === "array")
    {

    } else
    {
        this.tree = JSON.parse(fs.readFileSync(filePath, 'utf8'));
        //this.currentLevel = this.tree;
    }

    this.goThroughObj(this.tree)
}

Caoutchouc.prototype.goThroughObj = function (cur)
{
    for (obj in cur)
    {
        if (typeof (cur[obj]) == "string")
        {
            if (obj === "_label")
            {
                this.sectionsStartPoint.push({"name": cur[obj], "level": cur})
            }
            continue;
        } else
        {

            if (obj.split("|")[0] === "S")
                this.sectionsStartPoint.push({"name": obj.split("|")[1], "level": cur[obj]})
        }
        this.goThroughObj(cur[obj]);
    }
}

//| #.*( va| vas| aller| allé).*( sur| à| a).*#
Caoutchouc.prototype.changeToSentenceMatchingRegex = function (key)
{
    var aKey = key.split(" ");
    var sFinal = ".*(";
    var len = aKey.length;
    aKey.forEach(function (element, index, array) {
        if (index == (len - 1))
            sFinal = sFinal + element + ").*";
        else
            sFinal = sFinal + element + ")*(";
    });

}

Caoutchouc.prototype.checkMatchLiteral = function (self, key, searchValue, cursorName)
{
    if (searchValue === key)
    {
        self.aCursors[cursorName] = self.aCursors[cursorName]["L|" + key];
        return true
    }

}

Caoutchouc.prototype.checkMatchRegex = function (self, key, searchValue, cursorName)
{
    if (searchValue.match(key) !== null)
    {
        self.aCursors[cursorName] = self.aCursors[cursorName]["R|" + key];
        return true
    }
}

Caoutchouc.prototype.jumpToSection = function (self, key, searchValue, cursorName)
{
    
}

Caoutchouc.prototype.matchFactory = function (sRef)
{
    if (sRef === "_comment")
    {
        return [false, false];
    }
    if (sRef === "_jump")
    {
        return ([true, this.jumpToSection]);
    }
    if (sRef.charAt(0) === "S")
    {
        return [false, false];
    }
    if (sRef.charAt(0) === 'R')
    {
        return ([true, this.checkMatchRegex])
    }
    if (sRef.charAt(0) === 'L')
    {
        return ([true, this.checkMatchLiteral])
    }
    return [false, false];
}

Caoutchouc.prototype.findLevelInSections = function (sectionName)
{
    var i = 0;
    while (i < this.sectionsStartPoint.length)
    {
        if (this.sectionsStartPoint[i].name === sectionName)
        {
            return this.sectionsStartPoint[i].level;
        }
        i = i + 1;
    }
    return null;
}

Caoutchouc.prototype.searchInTree = function (searchValue, cursorName)
{
    for (var key in this.aCursors[cursorName]) {
        if (this.aCursors[cursorName].hasOwnProperty(key)) {

            var tuple = this.matchFactory(key);
            if (tuple[0] == true)
            {
                if (tuple[1](this, key.substr(2), searchValue, cursorName))
                {
                    var response = this.aCursors[cursorName]["_response"];
                    //jumps the cursor to an other section //need better check for is key exist ?
                    if (typeof (this.aCursors[cursorName]["_jump"]) !== "undefined")
                    {
                        this.aCursors[cursorName] = this.findLevelInSections(this.aCursors[cursorName]["_jump"]);
                    }
                    return response;
                }
            }
        }
    }
}

//public
Caoutchouc.prototype.showCurrentLevel = function (cursorName)
{
    console.log("[Info - level]: ", this.aCursors[cursorName]);
}

//public
Caoutchouc.prototype.createCursor = function (cursorName, sectionName)
{
    this.aCursors[cursorName] = this.findLevelInSections(sectionName);
}

//public
Caoutchouc.prototype.deleteCursor = function (cursorName)
{
    delete(this.aCursors[cursorName]);
}

//public
Caoutchouc.prototype.moveCursor = function (cursorName, sectionName)
{
    this.aCursors[cursorName] = this.findLevelInSections(sectionName);
}

//public
Caoutchouc.prototype.searchInSection = function (cursorName, searchValue)
{
    return this.searchInTree(searchValue, cursorName);
}


module.exports = Caoutchouc;