GPR authentication support

node_modules/nimnjs/src/DataHandler.js

@@ -0,0 +1,63 @@
+/**
+ * 
+ * @param {string} dataType 
+ * @param {function} parse 
+ * @param {function} parseBack 
+ * @param {object} charset
+ * @param {boolean} treatAsUnique
+ */
+function DataHandler(dataType, /* parse, parseBack, */ charset,treatAsUnique){
+    this.dataType = dataType;
+    //parse || (this.parse = parse);
+    //parseBack || (this.parseBack = parseBack);
+    if(charset){
+        //this.hasFixedInstances = true;
+        this.char2val = charset;
+        this.val2char = {};
+        var keys = Object.keys(charset);
+        for(var i in keys){
+            var val = charset[keys[i]];
+            this.val2char[val] = keys[i];
+        }
+
+        this.charcodes = Object.keys(charset);
+    }
+    if(treatAsUnique){
+        this.hasFixedInstances = true;
+    }
+
+    //this.treatAsUnique = treatAsUnique;
+}
+
+DataHandler.prototype.parse = function(a){
+    if(this.char2val){
+        return this.getCharCodeFor(a);
+    }else{
+        return a;
+    }
+}
+
+DataHandler.prototype.parseBack = function(a){
+    if(this.char2val){
+        return this.getValueOf(a);
+    }else{
+        return a;
+    }
+}
+
+/**
+ * returns an array of supported characters or empty array when it supportes dynamic data
+ */
+DataHandler.prototype.getCharCodes =function(){
+    return this.charcodes;
+}
+
+DataHandler.prototype.getValueOf =function(chCode){
+    return this.char2val[chCode];
+}
+
+DataHandler.prototype.getCharCodeFor =function(value){
+    return this.val2char[value];
+}
+
+module.exports = DataHandler;