/**********************************************************\
| |
| The implementation of PHPRPC Protocol 3.0 |
| |
| phpserializer.js |
| |
| Release 3.0.1 |
| Copyright by Team-PHPRPC |
| |
| WebSite: http://www.phprpc.org/ |
| http://www.phprpc.net/ |
| http://www.phprpc.com/ |
| http://sourceforge.net/projects/php-rpc/ |
| |
| Authors: Ma Bingyao <andot@ujn.edu.cn> |
| |
| This file may be distributed and/or modified under the |
| terms of the GNU General Public License (GPL) version |
| 2.0 as published by the Free Software Foundation and |
| appearing in the included file LICENSE. |
| |
\**********************************************************/
/* PHP serialize/unserialize library.
*
* Copyright: Ma Bingyao <andot@ujn.edu.cn>
* Version: 4.2
* LastModified: Apr 12, 2010
* This library is free. You can redistribute it and/or modify it under GPL.
*/
var PHPSerializer = (function () {
function freeEval(s) {
return eval(s);
}
var prototypePropertyOfArray = function() {
var result = {};
for (var p in []) {
result[p] = true;
}
return result;
}();
var prototypePropertyOfObject = function() {
var result = {};
for (var p in {}) {
result[p] = true;
}
return result;
}();
return {
serialize : function(o) {
var p = 0, sb = [], ht = [], hv = 1;
function getClassName(o) {
if (typeof(o) == 'undefined' || typeof(o.constructor) == 'undefined') return '';
var c = o.constructor.toString();
c = c.substr(0, c.indexOf('(')).replace(/(^\s*function\s*)|(\s*$)/ig, '').toUTF8();
return ((c == '') ? 'Object' : c);
}
function isInteger(n) {
var i, s = n.toString(), l = s.length;
if (l > 11) return false;
for (i = (s.charAt(0) == '-') ? 1 : 0; i < l; i++) {
switch (s.charAt(i)) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': break;
default : return false;
}
}
return !(n < -2147483648 || n > 2147483647);
}
function inHashTable(o) {
for (var i = 0; i < ht.length; i++) if (ht[i] === o) return i;
return false;
}
function serializeNull() {
sb[p++] = 'N;';
}
function serializeBoolean(b) {
sb[p++] = (b ? 'b:1;' : 'b:0;');
}
function serializeInteger(i) {
sb[p++] = 'i:' + i + ';';
}
function serializeDouble(d) {
if (isNaN(d)) d = 'NAN';
else if (d == Number.POSITIVE_INFINITY) d = 'INF';
else if (d == Number.NEGATIVE_INFINITY) d = '-INF';
sb[p++] = 'd:' + d + ';';
}
function serializeString(s) {
var utf8 = s.toUTF8();
sb[p++] = 's:' + utf8.length + ':"';
sb[p++] = utf8;
sb[p++] = '";';
}
function serializeDate(dt) {
sb[p++] = 'O:11:"PHPRPC_Date":7:{';
sb[p++] = 's:4:"year";';
serializeInteger(dt.getFullYear());
sb[p++] = 's:5:"month";';
serializeInteger(dt.getMonth() + 1);
sb[p++] = 's:3:"day";';
serializeInteger(dt.getDate());
sb[p++] = 's:4:"hour";';
serializeInteger(dt.getHours());
sb[p++] = 's:6:"minute";';
serializeInteger(dt.getMinutes());
sb[p++] = 's:6:"second";';
serializeInteger(dt.getSeconds());
sb[p++] = 's:11:"millisecond";';
serializeInteger(dt.getMilliseconds());
sb[p++] = '}';
}
function serializeArray(a) {
sb[p++] = 'a:';
var k, lp = p;
sb[p++] = 0;
sb[p++] = ':{';
for (k in a) {
if ((typeof(a[k]) != 'function') && !prototypePropertyOfArray[k]) {
isInteger(k) ? serializeInteger(k) : serializeString(k);
serialize(a[k]);
sb[lp]++;
}
}
sb[p++] = '}';
}
function serializeObject(o) {
var cn = getClassName(o);
if (cn == '') serializeNull();
else if (typeof(o.serialize) != 'function') {
sb[p++] = 'O:' + cn.length + ':"' + cn + '":';
var lp = p;
sb[p++] = 0;
sb[p++] = ':{';
var k;
if (typeof(o.__sleep) == 'function') {
var a = o.__sleep();
for (k in a) {
serializeString(a[k]);
serialize(o[a[k]]);
sb[lp]++;
}
}
else {
for (k in o) {
if (typeof(o[k]) != 'function' && !prototypePropertyOfObject[k]) {
serializeString(k);
serialize(o[k]);
sb[lp]++;
}
}
}
sb[p++] = '}';
}
else {
var cs = o.serialize();
sb[p++] = 'C:' + cn.length + ':"' + cn + '":' + cs.length + ':{' +cs + '}';
}
}
function serializePointRef(R) {
sb[p++] = 'R:' + R + ';';
}
function serializeRef(r) {
sb[p++] = 'r:' + r + ';';
}
function serialize(o) {
if (typeof(o) == "undefined" || o == null ||
o.constructor == Function) {
hv++;
serializeNull();
return;
}
var className = getClassName(o);
switch (o.constructor) {
case Boolean: {
hv++;
serializeBoolean(o);
break;
}
case Number: {
hv++;
isInteger(o) ? serializeInteger(o) : serializeDouble(o);
break;
}
case String: {
hv++;
serializeString(o);
break;
}
case Date: {
hv += 8;
serializeDate(o);
break;
}
default: {
if (className == "Object" || o.constructor == Array) {
var r = inHashTable(o);
if (r) {
serializePointRef(r);
}
else {
ht[hv++] = o;
serializeArray(o);
}
break;
}
else {
var r = inHashTable(o);
if (r) {
hv++;
serializeRef(r);
}
else {
ht[hv++] = o;
serializeObject(o);
}
}
}
}
}
serialize(o);
return sb.join('');
},
unserialize : function(ss) {
var p = 0, ht = [], hv = 1;
function unserializeNull() {
p++;
return null;
}
function unserializeBoolean() {
p++;
var b = (ss.charAt(p++) == '1');
p++;
return b;
}
function unserializeInteger() {
p++;
var i = parseInt(ss.substring(p, p = ss.indexOf(';', p)));
p++;
return i;
}
function unserializeDouble() {
p++;
var d = ss.substring(p, p = ss.indexOf(';', p));
switch (d) {
case 'NAN': d = NaN; break;
case 'INF': d = Number.POSITIVE_INFINITY; break;
case '-INF': d = Number.NEGATIVE_INFINITY; break;
default: d = parseFloat(d);
}
p++;
return d;
}
function unserializeString() {
p++;
var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var s = ss.substring(p, p += l).toUTF16();
p += 2;
return s;
}
function unserializeEscapedString(len) {
p++;
var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var i, sb = new Array(l);
for (i = 0; i < l; i++) {
if ((sb[i] = ss.charAt(p++)) == '\\') {
sb[i] = String.fromCharCode(parseInt(ss.substring(p, p += len), 16));
}
}
p += 2;
return sb.join('');
}
function unserializeArray() {
p++;
var n = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var i, k, a = [];
ht[hv++] = a;
for (i = 0; i < n; i++) {
switch (ss.charAt(p++)) {
case 'i': k = unserializeInteger(); break;
case 's': k = unserializeString(); break;
case 'S': k = unserializeEscapedString(2); break;
case 'U': k = unserializeEscapedString(4); break;
default: return false;
}
a[k] = unserialize();
}
p++;
return a;
}
function unserializeDate(n) {
var i, k, a = {};
for (i = 0; i < n; i++) {
switch (ss.charAt(p++)) {
case 's': k = unserializeString(); break;
case 'S': k = unserializeEscapedString(2); break;
case 'U': k = unserializeEscapedString(4); break;
default: return false;
}
if (ss.charAt(p++) == 'i') {
a[k] = unserializeInteger();
}
else {
return false;
}
}
p++;
var dt = new Date(
a.year,
a.month - 1,
a.day,
a.hour,
a.minute,
a.second,
a.millisecond
);
ht[hv++] = dt;
ht[hv++] = a.year;
ht[hv++] = a.month;
ht[hv++] = a.day;
ht[hv++] = a.hour;
ht[hv++] = a.minute;
ht[hv++] = a.second;
ht[hv++] = a.millisecond;
return dt;
}
function unserializeObject() {
p++;
var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var cn = ss.substring(p, p += l).toUTF16();
p += 2;
var n = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
if (cn == "PHPRPC_Date") {
return unserializeDate(n);
}
var i, k, o = createObjectOfClass(cn);
ht[hv++] = o;
for (i = 0; i < n; i++) {
switch (ss.charAt(p++)) {
case 's': k = unserializeString(); break;
case 'S': k = unserializeEscapedString(2); break;
case 'U': k = unserializeEscapedString(4); break;
default: return false;
}
if (k.charAt(0) == '\0') {
k = k.substring(k.indexOf('\0', 1) + 1, k.length);
}
o[k] = unserialize();
}
p++;
if (typeof(o.__wakeup) == 'function') o.__wakeup();
return o;
}
function unserializeCustomObject() {
p++;
var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var cn = ss.substring(p, p += l).toUTF16();
p += 2;
var n = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var o = createObjectOfClass(cn);
ht[hv++] = o;
if (typeof(o.unserialize) != 'function') p += n;
else o.unserialize(ss.substring(p, p += n));
p++;
return o;
}
function unserializeRef() {
p++;
var r = parseInt(ss.substring(p, p = ss.indexOf(';', p)));
p++;
return ht[r];
}
function getObjectOfClass(cn, poslist, i, c) {
if (i < poslist.length) {
var pos = poslist[i];
cn[pos] = c;
var obj = getObjectOfClass(cn, poslist, i + 1, '.');
if (i + 1 < poslist.length) {
if (obj == null) {
obj = getObjectOfClass(cn, poslist, i + 1, '_');
}
}
return obj;
}
var classname = cn.join('');
try {
return freeEval('new ' + classname + '()');
}
catch (e) {
return null;
}
}
function createObjectOfClass(classname) {
if (freeEval('typeof(' + classname + ') == "function"')) {
return freeEval('new ' + classname + '()');
}
var poslist = [];
var pos = classname.indexOf("_");
while (pos > -1) {
poslist[poslist.length] = pos;
pos = classname.indexOf("_", pos + 1);
}
if (poslist.length > 0) {
var cn = classname.split('');
var obj = getObjectOfClass(cn, poslist, 0, '.');
if (obj == null) {
obj = getObjectOfClass(cn, poslist, 0, '_');
}
if (obj != null) {
return obj;
}
}
return freeEval('new function ' + classname + '(){};');
}
function unserialize() {
switch (ss.charAt(p++)) {
case 'N': return ht[hv++] = unserializeNull();
case 'b': return ht[hv++] = unserializeBoolean();
case 'i': return ht[hv++] = unserializeInteger();
case 'd': return ht[hv++] = unserializeDouble();
case 's': return ht[hv++] = unserializeString();
case 'S': return ht[hv++] = unserializeEscapedString(2);
case 'U': return ht[hv++] = unserializeEscapedString(4);
case 'r': return ht[hv++] = unserializeRef();
case 'a': return unserializeArray();
case 'O': return unserializeObject();
case 'C': return unserializeCustomObject();
case 'R': return unserializeRef();
default: return false;
}
}
return unserialize();
}
}
})();
