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# Logic Equations Resolver J Script

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### Logic Equations Resolver J Script

1. 1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=windows-1250"> <meta name="generator" content="PSPad editor, www.pspad.com"> <title></title> </head> <body> <script> //****************Sugar********************* Function.prototype.method = function (name, func) { this.prototype[name] = func; return this; }; Function.method('inherits', function (parent) { var d = {}, p = (this.prototype = new parent()); this.method('uber', function uber(name) { if (!(name in d)) { d[name] = 0; } var f, r, t = d[name], v = parent.prototype; if (t) { while (t) { v = v.constructor.prototype; t -= 1; } f = v[name]; } else { f = p[name]; if (f == this[name]) { f = v[name]; } } d[name] += 1; r = f.apply(this, Array.prototype.slice.apply(arguments, [1])); d[name] -= 1; return r; }); return this; }); Function.method('swiss', function (parent) { for (var i = 1; i < arguments.length; i += 1) { var name = arguments[i]; this.prototype[name] = parent.prototype[name]; } return this; }); //****************************************** //*************LogicEquation object*********
2. 2. //var resolveKeys = new Array(Equation, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, W, X, Y, Z); function LogicEquation() { this.resolveKeys = new Array("Equation", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "W", "X", "Y", "Z"); this.equationProducts = new ListOfLogicProducts(); this.strEquation; } LogicEquation.prototype.cons = function(value){ this.strEquation = value; } LogicEquation.prototype.getEquation = function(){ return this.strEquation; } LogicEquation.method("setEquation", function(value){ this.strEquation = value; }); LogicEquation.method("getEquationProducts", function(){ return this.equationProducts.strLogicProducts; }); LogicEquation.method("tokenizeEquation", function(){ this.equationProducts.cons(this.strEquation.split("+")); }); LogicEquation.method("resolveEquationKeys", function(args){ for(var ctr=1;ctr<args.length;ctr++) { var eqKey = args[ctr]; var tmpRegEx = new RegExp(this.resolveKeys[ctr], "g"); this.strEquation = this.strEquation.replace(tmpRegEx, eqKey); } }); LogicEquation.method("resolveEquation", function(){ return this.equationProducts.resolve(); }); //*************************************************** //***************ListOfEquationProduct*************** function ListOfLogicProducts() { this.logicProducts = []; this.strLogicProducts; }
3. 3. ListOfLogicProducts.prototype.cons = function(value){ for(var ctr=0;ctr<value.length;ctr++) { this.logicProducts[ctr] = new LogicProduct(); this.logicProducts[ctr].cons(value[ctr]); } this.strLogicProducts = value; } ListOfLogicProducts.method("resolve", function(){ var result = false; for(var ctr=0;ctr<this.logicProducts.length;ctr++) { var tmpResult = this.logicProducts[ctr].resolve(); if(result||tmpResult == true) result = true; else result = false; } return result; }); //************************************************** //****************LogicProduct********************** function LogicProduct() { this.productElements = new ListOfProductElements()//[]; this.strProductElements; } LogicProduct.method("cons", function(value){ this.productElements.cons(value.replace(/^[|]\$/g,"")); this.strProductElements = value; }); LogicProduct.prototype.resolve = function(){ return this.productElements.resolve(); } //************************************************** //***************ListOfProductElements************** function ListOfProductElements() { this.listOfElements; this.strListOfElements; } ListOfProductElements.prototype.cons = function(value){ this.listOfElements = value.split("*"); this.strListOfElements = value; }
4. 4. ListOfProductElements.method("resolve", function(){ var result = true; for(var ctr=0;ctr<this.listOfElements.length;ctr++) { var tmpResult = this.listOfElements[ctr]; if(/^!/.test(tmpResult)) { var temp = tmpResult.replace(/^!/g, ""); if(temp == "true") tmpResult = "false"; else tmpResult = "true"; } if(tmpResult == "true") { if(result == true) {result = true;} else {result = false;} } else {result = false;} } return result; }); //************************************************** //***************the program************************ function equationAnalyzer(args) { try { var logEq = new LogicEquation(); logEq.cons(args[0]); //logEq.setEquation("[!true*!false*true]+[true*true*!false]"); //"[A*B*!C]+[A*B*C]" //alert(logEq.getEquation()); //alert(logEq.getEquationProducts()); logEq.resolveEquationKeys(args); logEq.tokenizeEquation(); alert(logEq.resolveEquation()); } catch(e) { alert(e.description); } } function main() {
5. 5. var args=new Array() args[0]='[!A*!B*C*D*E*F*G*H]+[A*B*!C*D*E*F*G*H]+[A*B*!C*D*E*F*G*H]'; args[1]=true; //A = true args[2]=true; //B = false args[3]=false; //C = false args[4]=true; //D = true args[5]=true; //E = true args[6]=true; //F = true args[7]=true; //G = true args[8]=false; //H = true equationAnalyzer(args); } </script> <button TYPE=BUTTON onclick="main()">EvalueLogicEquation </button> </body> </html>