-
Notifications
You must be signed in to change notification settings - Fork 0
/
serialize.js
123 lines (117 loc) · 3.64 KB
/
serialize.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
function serialize(mixed_value) {
// discuss at: http://phpjs.org/functions/serialize/
// original by: Arpad Ray (mailto:[email protected])
// improved by: Dino
// improved by: Le Torbi (http://www.letorbi.de/)
// improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net/)
// bugfixed by: Andrej Pavlovic
// bugfixed by: Garagoth
// bugfixed by: Russell Walker (http://www.nbill.co.uk/)
// bugfixed by: Jamie Beck (http://www.terabit.ca/)
// bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net/)
// bugfixed by: Ben (http://benblume.co.uk/)
// input by: DtTvB (http://dt.in.th/2008-09-16.string-length-in-bytes.html)
// input by: Martin (http://www.erlenwiese.de/)
// note: We feel the main purpose of this function should be to ease the transport of data between php & js
// note: Aiming for PHP-compatibility, we have to translate objects to arrays
// 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";}'
// example 2: serialize({firstName: 'Kevin', midName: 'van', surName: 'Zonneveld'});
// returns 2: 'a:3:{s:9:"firstName";s:5:"Kevin";s:7:"midName";s:3:"van";s:7:"surName";s:9:"Zonneveld";}'
var val, key, okey,
ktype = '',
vals = '',
count = 0,
_utf8Size = function (str) {
var size = 0,
i = 0,
l = str.length,
code = '';
for (i = 0; i < l; i++) {
code = str.charCodeAt(i);
if (code < 0x0080) {
size += 1;
} else if (code < 0x0800) {
size += 2;
} else {
size += 3;
}
}
return size;
},
_getType = function (inp) {
var match, key, cons, types, type = typeof inp;
if (type === 'object' && !inp) {
return 'null';
}
if (type === 'object') {
if (!inp.constructor) {
return 'object';
}
cons = inp.constructor.toString();
match = cons.match(/(\w+)\(/);
if (match) {
cons = match[1].toLowerCase();
}
types = ['boolean', 'number', 'string', 'array'];
for (key in types) {
if (cons == types[key]) {
type = types[key];
break;
}
}
}
return type;
},
type = _getType(mixed_value);
switch (type) {
case 'function':
val = '';
break;
case 'boolean':
val = 'b:' + (mixed_value ? '1' : '0');
break;
case 'number':
val = (Math.round(mixed_value) == mixed_value ? 'i' : 'd') + ':' + mixed_value;
break;
case 'string':
val = 's:' + _utf8Size(mixed_value) + ':"' + mixed_value + '"';
break;
case 'array':
case 'object':
val = 'a';
/*
if (type === 'object') {
var objname = mixed_value.constructor.toString().match(/(\w+)\(\)/);
if (objname == undefined) {
return;
}
objname[1] = this.serialize(objname[1]);
val = 'O' + objname[1].substring(1, objname[1].length - 1);
}
*/
for (key in mixed_value) {
if (mixed_value.hasOwnProperty(key)) {
ktype = _getType(mixed_value[key]);
if (ktype === 'function') {
continue;
}
okey = (key.match(/^[0-9]+$/) ? parseInt(key, 10) : key);
vals += this.serialize(okey) + this.serialize(mixed_value[key]);
count++;
}
}
val += ':' + count + ':{' + vals + '}';
break;
case 'undefined':
// Fall-through
default:
// if the JS object has a property which contains a null value, the string cannot be unserialized by PHP
val = 'N';
break;
}
if (type !== 'object' && type !== 'array') {
val += ';';
}
return val;
}