/*
 * Copyright 2013 Samsung Information Systems America, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Author: Koushik Sen

(function(module){

    function SymbolicObject(sym, stype) {
        if (!(this instanceof SymbolicObject)) {
            return new SymbolicObject(sym, stype);
        }
        if (sym instanceof SymbolicObject) {
            this.sym = sym.sym;
            //this.stype = sym.stype;
            this.fields = sym.fields;
            this.fieldsOrdered = sym.fieldsOrdered;
        } else {
            this.sym = sym;
            this.stype = stype;
            this.fields = {};
            this.fieldsOrdered = [];
        }
    }

    function HOP(obj, prop) {
        return Object.prototype.hasOwnProperty.call(obj, prop);
    };

    SymbolicObject.prototype = {
        constructor: SymbolicObject,

        addField: function(field) {
            if (!HOP(this.fields,field)) {
                this.fields[field] = true;
                this.fieldsOrdered.push(field);
            }
        },

        getSymbolForField: function(field) {
            return this.sym+"_"+((field+"").replace(/_/g,"__"));
        },

        toString : function() {
            return this.sym+"";
        },

        type: require('./Symbolic')

    };

    module.exports = SymbolicObject;
}(module));
