/**********************************************************\
| |
| The implementation of PHPRPC Protocol 3.0 |
| |
| phpserializer.js |
| |
| Release 3.0.0 beta 9 |
| Copyright (c) 2005-2007 by Team-PHPRPC |
| |
| WebSite: http://www.phprpc.org/ |
| 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 Lesser General Public License (LGPL) |
| version 2.1 as published by the Free Software Foundation |
| and appearing in the included file LICENSE. |
| |
\**********************************************************/
/* PHP serialize/unserialize library.
*
* Copyright (C) 2006-2007 Ma Bingyao <andot@ujn.edu.cn>
* Version: 3.0i
* LastModified: Mar 8, 2007
* This library is free. You can redistribute it and/or modify it.
*/
function serialize(o) {
var p = 0, sb = [], ht = [], hv = 1;
var classname = function(o) {
if (typeof(o) == "undefined" || typeof(o.constructor) == "undefined") return '';
var c = o.constructor.toString();
c = utf16to8(c.substr(0, c.indexOf('(')).replace(/(^\s*function\s*)|(\s*$)/ig, ''));
return ((c == '') ? 'Object' : c);
};
var is_int = function(n) {
var s = n.toString(), l = s.length;
if (l > 11) return false;
for (var 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);
};
var in_ht = function(o) {
for (var k in ht) if (ht[k] === o) return k;
return false;
};
var ser_null = function() {
sb[p++] = 'N;';
};
var ser_boolean = function(b) {
sb[p++] = (b ? 'b:1;' : 'b:0;');
};
var ser_integer = function(i) {
sb[p++] = 'i:' + i + ';';
};
var ser_double = function(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 + ';';
};
var ser_string = function(s) {
var utf8 = utf16to8(s);
sb[p++] = 's:' + utf8.length + ':"';
sb[p++] = utf8;
sb[p++] = '";';
};
var ser_array = function(a) {
sb[p++] = 'a:';
var lp = p;
sb[p++] = 0;
sb[p++] = ':{';
for (var k in a) {
if (typeof(a[k]) != 'function') {
is_int(k) ? ser_integer(k) : ser_string(k);
__serialize(a[k]);
sb[lp]++;
}
}
sb[p++] = '}';
};
var ser_object = function(o) {
var cn = classname(o);
if (cn == '') ser_null();
else if (typeof(o.serialize) != 'function') {
sb[p++] = 'O:' + cn.length + ':"';
sb[p++] = cn;
sb[p++] = '":';
var lp = p;
sb[p++] = 0;
sb[p++] = ':{';
if (typeof(o.__sleep) == 'function') {
var a = o.__sleep();
for (var kk in a) {
ser_string(a[kk]);
__serialize(o[a[kk]]);
sb[lp]++;
}
}
else {
for (var k in o) {
if (typeof(o[k]) != 'function') {
ser_string(k);
__serialize(o[k]);
sb[lp]++;
}
}
}
sb[p++] = '}';
}
else {
var cs = o.serialize();
sb[p++] = 'C:' + cn.length + ':"';
sb[p++] = cn;
sb[p++] = '":' + cs.length + ':{';
sb[p++] = cs;
sb[p++] = "}";
}
};
var ser_pointref = function(R) {
sb[p++] = "R:" + R + ";";
};
var ser_ref = function(r) {
sb[p++] = "r:" + r + ";";
};
var __serialize = function(o) {
if (o == null || o.constructor == Function) {
hv++;
ser_null();
}
else switch (o.constructor) {
case Boolean: {
hv++;
ser_boolean(o);
break;
}
case Number: {
hv++;
is_int(o) ? ser_integer(o) : ser_double(o);
break;
}
case String: {
hv++;
ser_string(o);
break;
}
case VBArray: {
o = o.toArray();
}
case Object:
case Array: {
var r = in_ht(o);
if (r) {
ser_pointref(r);
}
else {
ht[hv++] = o;
ser_array(o);
}
break;
}
default: {
var r = in_ht(o);
if (r) {
hv++;
ser_ref(r);
}
else {
ht[hv++] = o;
ser_object(o);
}
break;
}
}
};
__serialize(o);
return sb.join('');
}
function unserialize(ss) {
var p = 0, ht = [], hv = 1;
var unser_null = function() {
p++;
return null;
};
var unser_boolean = function() {
p++;
var b = (ss.charAt(p++) == '1');
p++;
return b;
};
var unser_integer = function() {
p++;
var i = parseInt(ss.substring(p, p = ss.indexOf(';', p)));
p++;
return i;
};
var unser_double = function() {
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;
};
var unser_string = function() {
p++;
var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var s = utf8to16(ss.substring(p, p += l));
p += 2;
return s;
};
var unser_array = function() {
p++;
var n = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var a = [];
ht[hv++] = a;
for (var i = 0; i < n; i++) {
var k;
switch (ss.charAt(p++)) {
case 'i': k = unser_integer(); break;
case 's': k = unser_string(); break;
case 'U': k = unser_unicode_string(); break;
default: return false;
}
a[k] = __unserialize();
}
p++;
return a;
};
var unser_object = function() {
p++;
var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var cn = utf8to16(ss.substring(p, p += l));
p += 2;
var n = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
if (eval(['typeof(', cn, ') == "undefined"'].join(''))) {
eval(['function ', cn, '(){}'].join(''));
}
var o = eval(['new ', cn, '()'].join(''));
ht[hv++] = o;
for (var i = 0; i < n; i++) {
var k;
switch (ss.charAt(p++)) {
case 's': k = unser_string(); break;
case 'U': k = unser_unicode_string(); 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;
};
var unser_custom_object = function() {
p++;
var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var cn = utf8to16(ss.substring(p, p += l));
p += 2;
var n = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
if (eval(['typeof(', cn, ') == "undefined"'].join(''))) {
eval(['function ', cn, '(){}'].join(''));
}
var o = eval(['new ', cn, '()'].join(''));
ht[hv++] = o;
if (typeof(o.unserialize) != 'function') p += n;
else o.unserialize(ss.substring(p, p += n));
p++;
return o;
};
var unser_unicode_string = function() {
p++;
var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
p += 2;
var sb = [];
for (var i = 0; i < l; i++) {
if ((sb[i] = ss.charAt(p++)) == '\\') {
sb[i] = String.fromCharCode(parseInt(ss.substring(p, p += 4), 16));
}
}
p += 2;
return sb.join('');
};
var unser_ref = function() {
p++;
var r = parseInt(ss.substring(p, p = ss.indexOf(';', p)));
p++;
return ht[r];
};
var __unserialize = function() {
switch (ss.charAt(p++)) {
case 'N': return ht[hv++] = unser_null();
case 'b': return ht[hv++] = unser_boolean();
case 'i': return ht[hv++] = unser_integer();
case 'd': return ht[hv++] = unser_double();
case 's': return ht[hv++] = unser_string();
case 'U': return ht[hv++] = unser_unicode_string();
case 'r': return ht[hv++] = unser_ref();
case 'a': return unser_array();
case 'O': return unser_object();
case 'C': return unser_custom_object();
case 'R': return unser_ref();
default: return false;
}
};
return __unserialize();
}
