/**
+ ---------------------------------------------------------------------------+
|    soliland
|
|     http://www.soliland.fr
|     cyril.janssens@free.fr
|
|     Released under the terms and conditions of the
|     GNU General Public License (http://gnu.org).
|
|	$Header: /soliland/V2/html/default/js/lib/serializer.js,v 1.1 2008-07-28 10:41:49 william Exp $
|   $Source: /soliland/V2/html/default/js/lib/serializer.js,v $
|   $Revision: 1.1 $
|   $Date: 2008-07-28 10:41:49 $
|   $Author: william $
|	$State: Exp $
+----------------------------------------------------------------------------+
 */



//serialize

function serialize( inp ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Arpad Ray (mailto:arpad@php.net)
    // *     example 1: serialize(['Kevin', 'van', 'Zonneveld']);  
    // *     returns 1: 'a:3:{i:0;s:5:"Kevin";i:1;s:3:"van";i:2;s:9:"Zonneveld";}'
	         
    var getType = function( inp ) {
        var type = typeof inp, match;
              
		if(type == 'object' && !inp)
        {
            return 'null';
        }
        if (type == "object") {
          
			if(!inp.constructor)
            {
				return 'object';
            }  
			     
            var cons = inp.constructor.toString();
			      			   
            if (match = cons.match(/(\w+)\(/)) {
                cons = match[1].toLowerCase();
				
            }
			     
            var types = ["boolean", "number", "string", "array", "[function]"];
            for (key in types) {
				 
                if (cons == types[key]) {
						
						if(cons=="[function]")
						{		type="array";    
							       
						}else{
							type = types[key];
						}
					break;  
                }
            }
			     
        }
		      
        return type;
    };
     
    var type = getType(inp);

    var val;
	        
    switch (type) {
        case "undefined":
            val = "N";
            break;
        case "boolean":
            val = "b:" + (inp ? "1" : "0");
            break;
        case "number":
            val = (Math.round(inp) == inp ? "i" : "d") + ":" + inp;
            break;
        case "string":
            val = "s:" + inp.length + ":\"" + inp + "\"";
            break;
        case "array":
		    val = "a";
        case "object":
            if (type == "object") {
               
				var objname = inp.constructor.toString().match(/(\w+)\(\)/);
				    
				if(objname[1] == 'Object'){
					objname[1] = 'StdClass';
				}
				
                if (objname == undefined) {
                      
					return;
                }  
				objname[1] = serialize(objname[1]);                
                val = "O" + objname[1].substring(1, objname[1].length - 1);
				
            }    
            var count = 0;
            var vals = "";
            var okey;
            for (key in inp) {
				        
                okey = (key.match(/^[0-9]+$/) ? parseInt(key) : key);
                vals += serialize(okey) +
                        serialize(inp[key]);
                count++;
            }
            val += ":" + count + ":{" + vals + "}";
			      
            break;
    }
    if (type != "object" && type != "array") val += ";";
	    
    return val;
}

//unserialize
function unserialize ( inp ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Arpad Ray (mailto:arpad@php.net)
    // +   improved by: Pedro Tainha (http://www.pedrotainha.com)
    // *     example 1: unserialize('a:3:{i:0;s:5:"Kevin";i:1;s:3:"van";i:2;s:9:"Zonneveld";}');
    // *     returns 1: ['Kevin', 'van', 'Zonneveld']
 
    error = 0;
    if (inp == "" || inp.length < 2) {
        errormsg = "input is too short";
        return;
    }
    var val, kret, vret, cval;
    var type = inp.charAt(0);
    var cont = inp.substring(2);
    var size = 0, divpos = 0, endcont = 0, rest = "", next = "";
 
    switch (type) {
    case "N": // null
        if (inp.charAt(1) != ";") {
            errormsg = "missing ; for null";
        }
        // leave val undefined
        rest = cont;
        break;
    case "b": // boolean
        if (!/[01];/.test(cont.substring(0,2))) {
            errormsg = "value not 0 or 1, or missing ; for boolean";
        }
        val = (cont.charAt(0) == "1");
        rest = cont.substring(2);  //changed...
        break;
    case "s": // string
        val = "";
        divpos = cont.indexOf(":");
        if (divpos == -1) {
            errormsg = "missing : for string";
            break;
        }
        size = parseInt(cont.substring(0, divpos));
        if (size == 0) {
            if (cont.length - divpos < 4) {
                errormsg = "string is too short";
                break;
            }
            rest = cont.substring(divpos + 4);
            break;
        }
        if ((cont.length - divpos - size) < 4) {
            errormsg = "string is too short";
            break;
        }
        if (cont.substring(divpos + 2 + size, divpos + 4 + size) != "\";") {
            errormsg = "string is too long, or missing \";";
        }
        val = cont.substring(divpos + 2, divpos + 2 + size);
        rest = cont.substring(divpos + 4 + size);
        break;
    case "i": // integer
    case "d": // float
        var dotfound = 0;
        for (var i = 0; i < cont.length; i++) {
            cval = cont.charAt(i);
            if (isNaN(parseInt(cval)) && !(type == "d" && cval == "." && !dotfound++)) {
                endcont = i;
                break;
            }
        }
        if (!endcont || cont.charAt(endcont) != ";") {
            errormsg = "missing or invalid value, or missing ; for int/float";
        }
        val = cont.substring(0, endcont);
        val = (type == "i" ? parseInt(val) : parseFloat(val));
        rest = cont.substring(endcont + 1);
        break;
    case "a": // array
        if (cont.length < 4) {
            errormsg = "array is too short";
            return;
        }
        divpos = cont.indexOf(":", 1);
        if (divpos == -1) {
            errormsg = "missing : for array";
            return;
        }
        size = parseInt(cont.substring(1*divpos, 0));  //changed...
        cont = cont.substring(divpos + 2);
        val = new Array();
        if (cont.length < 1) {
            errormsg = "array is too short";
            return;
        }
        for (var i = 0; i + 1 < size * 2; i += 2) {
            kret = unserialize(cont, 1);
            if (error || kret[0] == undefined || kret[1] == "") {
                errormsg = "missing or invalid key, or missing value for array";
                return;
            }
            vret = unserialize(kret[1], 1);
            if (error) {
                errormsg = "invalid value for array";
                return;
            }
            val[kret[0]] = vret[0];
            cont = vret[1];
        }
        if (cont.charAt(0) != "}") {
            errormsg = "missing ending }, or too many values for array";
            return;
        }
        rest = cont.substring(1);
        break;
    case "O": // object
   
        divpos = cont.indexOf(":");
        if (divpos == -1) {
            errormsg = "missing : for object";
            return;
        }
        size = parseInt(cont.substring(0, divpos));
        var objname = cont.substring(divpos + 2, divpos + 2 + size);
        if (cont.substring(divpos + 2 + size, divpos + 4 + size) != "\":") {
            errormsg = "object name is too long, or missing \":";
            return;
        }
        var objprops = unserialize("a:" + cont.substring(divpos + 4 + size), 1);
        if (error) {
            errormsg = "invalid object properties";
            return;
        }
        rest = objprops[1];
        var objout = "function " + objname + "(){";
        for (key in objprops[0]) {
            objout += "" + key + "=objprops[0]['" + key + "'];";
        }
        objout += "}val=new " + objname + "();";
        eval(objout);
        break;
    default:
        errormsg = "invalid input type";
    }
    return (arguments.length == 1 ? val : [val, rest]);
}