/
piwik.js
6572 lines (5581 loc) · 278 KB
/
piwik.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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*!
* Piwik - free/libre analytics platform
*
* JavaScript tracking client
*
* @link http://piwik.org
* @source https://github.com/piwik/piwik/blob/master/js/piwik.js
* @license http://piwik.org/free-software/bsd/ BSD-3 Clause (also in js/LICENSE.txt)
* @license magnet:?xt=urn:btih:c80d50af7d3db9be66a4d0a86db0286e4fd33292&dn=bsd-3-clause.txt BSD-3-Clause
*/
// NOTE: if you change this above Piwik comment block, you must also change `$byteStart` in js/tracker.php
// Refer to README.md for build instructions when minifying this file for distribution.
/*
* Browser [In]Compatibility
* - minimum required ECMAScript: ECMA-262, edition 3
*
* Incompatible with these (and earlier) versions of:
* - IE4 - try..catch and for..in introduced in IE5
* - IE5 - named anonymous functions, array.push, encodeURIComponent, decodeURIComponent, and getElementsByTagName introduced in IE5.5
* - Firefox 1.0 and Netscape 8.x - FF1.5 adds array.indexOf, among other things
* - Mozilla 1.7 and Netscape 6.x-7.x
* - Netscape 4.8
* - Opera 6 - Error object (and Presto) introduced in Opera 7
* - Opera 7
*/
/*global JSON2:true */
if (typeof JSON2 !== 'object' && typeof window.JSON === 'object' && window.JSON.stringify && window.JSON.parse) {
JSON2 = window.JSON;
} else {
(function () {
// we make sure to not break any site that uses JSON3 as well as we do not know if they run it in conflict mode
// or not.
var exports = {};
// Create a JSON object only if one does not already exist. We create the
// methods in a closure to avoid creating global variables.
/*! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright 2012-2014, Kit Cambridge | http://kit.mit-license.org */
(function () {
// Detect the `define` function exposed by asynchronous module loaders. The
// strict `define` check is necessary for compatibility with `r.js`.
var isLoader = typeof define === "function" && define.amd;
// A set of types used to distinguish objects from primitives.
var objectTypes = {
"function": true,
"object": true
};
// Detect the `exports` object exposed by CommonJS implementations.
var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
// Use the `global` object exposed by Node (including Browserify via
// `insert-module-globals`), Narwhal, and Ringo as the default context,
// and the `window` object in browsers. Rhino exports a `global` function
// instead.
var root = objectTypes[typeof window] && window || this,
freeGlobal = freeExports && objectTypes[typeof module] && module && !module.nodeType && typeof global == "object" && global;
if (freeGlobal && (freeGlobal["global"] === freeGlobal || freeGlobal["window"] === freeGlobal || freeGlobal["self"] === freeGlobal)) {
root = freeGlobal;
}
// Public: Initializes JSON 3 using the given `context` object, attaching the
// `stringify` and `parse` functions to the specified `exports` object.
function runInContext(context, exports) {
context || (context = root["Object"]());
exports || (exports = root["Object"]());
// Native constructor aliases.
var Number = context["Number"] || root["Number"],
String = context["String"] || root["String"],
Object = context["Object"] || root["Object"],
Date = context["Date"] || root["Date"],
SyntaxError = context["SyntaxError"] || root["SyntaxError"],
TypeError = context["TypeError"] || root["TypeError"],
Math = context["Math"] || root["Math"],
nativeJSON = context["JSON"] || root["JSON"];
// Delegate to the native `stringify` and `parse` implementations.
if (typeof nativeJSON == "object" && nativeJSON) {
exports.stringify = nativeJSON.stringify;
exports.parse = nativeJSON.parse;
}
// Convenience aliases.
var objectProto = Object.prototype,
getClass = objectProto.toString,
isProperty, forEach, undef;
// Test the `Date#getUTC*` methods. Based on work by @Yaffle.
var isExtended = new Date(-3509827334573292);
try {
// The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
// results for certain dates in Opera >= 10.53.
isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
// Safari < 2.0.2 stores the internal millisecond time value correctly,
// but clips the values returned by the date methods to the range of
// signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
} catch (exception) {}
// Internal: Determines whether the native `JSON.stringify` and `parse`
// implementations are spec-compliant. Based on work by Ken Snyder.
function has(name) {
if (has[name] !== undef) {
// Return cached feature test result.
return has[name];
}
var isSupported;
if (name == "bug-string-char-index") {
// IE <= 7 doesn't support accessing string characters using square
// bracket notation. IE 8 only supports this for primitives.
isSupported = "a"[0] != "a";
} else if (name == "json") {
// Indicates whether both `JSON.stringify` and `JSON.parse` are
// supported.
isSupported = has("json-stringify") && has("json-parse");
} else {
var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
// Test `JSON.stringify`.
if (name == "json-stringify") {
var stringify = exports.stringify, stringifySupported = typeof stringify == "function" && isExtended;
if (stringifySupported) {
// A test function object with a custom `toJSON` method.
(value = function () {
return 1;
}).toJSON = value;
try {
stringifySupported =
// Firefox 3.1b1 and b2 serialize string, number, and boolean
// primitives as object literals.
stringify(0) === "0" &&
// FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
// literals.
stringify(new Number()) === "0" &&
stringify(new String()) == '""' &&
// FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
// does not define a canonical JSON representation (this applies to
// objects with `toJSON` properties as well, *unless* they are nested
// within an object or array).
stringify(getClass) === undef &&
// IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
// FF 3.1b3 pass this test.
stringify(undef) === undef &&
// Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
// respectively, if the value is omitted entirely.
stringify() === undef &&
// FF 3.1b1, 2 throw an error if the given value is not a number,
// string, array, object, Boolean, or `null` literal. This applies to
// objects with custom `toJSON` methods as well, unless they are nested
// inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
// methods entirely.
stringify(value) === "1" &&
stringify([value]) == "[1]" &&
// Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
// `"[null]"`.
stringify([undef]) == "[null]" &&
// YUI 3.0.0b1 fails to serialize `null` literals.
stringify(null) == "null" &&
// FF 3.1b1, 2 halts serialization if an array contains a function:
// `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
// elides non-JSON values from objects and arrays, unless they
// define custom `toJSON` methods.
stringify([undef, getClass, null]) == "[null,null,null]" &&
// Simple serialization test. FF 3.1b1 uses Unicode escape sequences
// where character escape codes are expected (e.g., `\b` => `\u0008`).
stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
// FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
stringify(null, value) === "1" &&
stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
// JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
// serialize extended years.
stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
// The milliseconds are optional in ES 5, but required in 5.1.
stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
// Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
// four-digit years instead of six-digit years. Credits: @Yaffle.
stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
// Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
// values less than 1000. Credits: @Yaffle.
stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
} catch (exception) {
stringifySupported = false;
}
}
isSupported = stringifySupported;
}
// Test `JSON.parse`.
if (name == "json-parse") {
var parse = exports.parse;
if (typeof parse == "function") {
try {
// FF 3.1b1, b2 will throw an exception if a bare literal is provided.
// Conforming implementations should also coerce the initial argument to
// a string prior to parsing.
if (parse("0") === 0 && !parse(false)) {
// Simple parsing test.
value = parse(serialized);
var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
if (parseSupported) {
try {
// Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
parseSupported = !parse('"\t"');
} catch (exception) {}
if (parseSupported) {
try {
// FF 4.0 and 4.0.1 allow leading `+` signs and leading
// decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
// certain octal literals.
parseSupported = parse("01") !== 1;
} catch (exception) {}
}
if (parseSupported) {
try {
// FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
// points. These environments, along with FF 3.1b1 and 2,
// also allow trailing commas in JSON objects and arrays.
parseSupported = parse("1.") !== 1;
} catch (exception) {}
}
}
}
} catch (exception) {
parseSupported = false;
}
}
isSupported = parseSupported;
}
}
return has[name] = !!isSupported;
}
if (!has("json")) {
// Common `[[Class]]` name aliases.
var functionClass = "[object Function]",
dateClass = "[object Date]",
numberClass = "[object Number]",
stringClass = "[object String]",
arrayClass = "[object Array]",
booleanClass = "[object Boolean]";
// Detect incomplete support for accessing string characters by index.
var charIndexBuggy = has("bug-string-char-index");
// Define additional utility methods if the `Date` methods are buggy.
if (!isExtended) {
var floor = Math.floor;
// A mapping between the months of the year and the number of days between
// January 1st and the first of the respective month.
var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
// Internal: Calculates the number of days between the Unix epoch and the
// first day of the given month.
var getDay = function (year, month) {
return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
};
}
// Internal: Determines if a property is a direct property of the given
// object. Delegates to the native `Object#hasOwnProperty` method.
if (!(isProperty = objectProto.hasOwnProperty)) {
isProperty = function (property) {
var members = {}, constructor;
if ((members.__proto__ = null, members.__proto__ = {
// The *proto* property cannot be set multiple times in recent
// versions of Firefox and SeaMonkey.
"toString": 1
}, members).toString != getClass) {
// Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
// supports the mutable *proto* property.
isProperty = function (property) {
// Capture and break the object's prototype chain (see section 8.6.2
// of the ES 5.1 spec). The parenthesized expression prevents an
// unsafe transformation by the Closure Compiler.
var original = this.__proto__, result = property in (this.__proto__ = null, this);
// Restore the original prototype chain.
this.__proto__ = original;
return result;
};
} else {
// Capture a reference to the top-level `Object` constructor.
constructor = members.constructor;
// Use the `constructor` property to simulate `Object#hasOwnProperty` in
// other environments.
isProperty = function (property) {
var parent = (this.constructor || constructor).prototype;
return property in this && !(property in parent && this[property] === parent[property]);
};
}
members = null;
return isProperty.call(this, property);
};
}
// Internal: Normalizes the `for...in` iteration algorithm across
// environments. Each enumerated key is yielded to a `callback` function.
forEach = function (object, callback) {
var size = 0, Properties, members, property;
// Tests for bugs in the current environment's `for...in` algorithm. The
// `valueOf` property inherits the non-enumerable flag from
// `Object.prototype` in older versions of IE, Netscape, and Mozilla.
(Properties = function () {
this.valueOf = 0;
}).prototype.valueOf = 0;
// Iterate over a new instance of the `Properties` class.
members = new Properties();
for (property in members) {
// Ignore all properties inherited from `Object.prototype`.
if (isProperty.call(members, property)) {
size++;
}
}
Properties = members = null;
// Normalize the iteration algorithm.
if (!size) {
// A list of non-enumerable properties inherited from `Object.prototype`.
members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
// IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
// properties.
forEach = function (object, callback) {
var isFunction = getClass.call(object) == functionClass, property, length;
var hasProperty = !isFunction && typeof object.constructor != "function" && objectTypes[typeof object.hasOwnProperty] && object.hasOwnProperty || isProperty;
for (property in object) {
// Gecko <= 1.0 enumerates the `prototype` property of functions under
// certain conditions; IE does not.
if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
callback(property);
}
}
// Manually invoke the callback for each non-enumerable property.
for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
};
} else if (size == 2) {
// Safari <= 2.0.4 enumerates shadowed properties twice.
forEach = function (object, callback) {
// Create a set of iterated properties.
var members = {}, isFunction = getClass.call(object) == functionClass, property;
for (property in object) {
// Store each property name to prevent double enumeration. The
// `prototype` property of functions is not enumerated due to cross-
// environment inconsistencies.
if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
callback(property);
}
}
};
} else {
// No bugs detected; use the standard `for...in` algorithm.
forEach = function (object, callback) {
var isFunction = getClass.call(object) == functionClass, property, isConstructor;
for (property in object) {
if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
callback(property);
}
}
// Manually invoke the callback for the `constructor` property due to
// cross-environment inconsistencies.
if (isConstructor || isProperty.call(object, (property = "constructor"))) {
callback(property);
}
};
}
return forEach(object, callback);
};
// Public: Serializes a JavaScript `value` as a JSON string. The optional
// `filter` argument may specify either a function that alters how object and
// array members are serialized, or an array of strings and numbers that
// indicates which properties should be serialized. The optional `width`
// argument may be either a string or number that specifies the indentation
// level of the output.
if (!has("json-stringify")) {
// Internal: A map of control characters and their escaped equivalents.
var Escapes = {
92: "\\\\",
34: '\\"',
8: "\\b",
12: "\\f",
10: "\\n",
13: "\\r",
9: "\\t"
};
// Internal: Converts `value` into a zero-padded string such that its
// length is at least equal to `width`. The `width` must be <= 6.
var leadingZeroes = "000000";
var toPaddedString = function (width, value) {
// The `|| 0` expression is necessary to work around a bug in
// Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
return (leadingZeroes + (value || 0)).slice(-width);
};
// Internal: Double-quotes a string `value`, replacing all ASCII control
// characters (characters with code unit values between 0 and 31) with
// their escaped equivalents. This is an implementation of the
// `Quote(value)` operation defined in ES 5.1 section 15.12.3.
var unicodePrefix = "\\u00";
var quote = function (value) {
var result = '"', index = 0, length = value.length, useCharIndex = !charIndexBuggy || length > 10;
var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value);
for (; index < length; index++) {
var charCode = value.charCodeAt(index);
// If the character is a control character, append its Unicode or
// shorthand escape sequence; otherwise, append the character as-is.
switch (charCode) {
case 8: case 9: case 10: case 12: case 13: case 34: case 92:
result += Escapes[charCode];
break;
default:
if (charCode < 32) {
result += unicodePrefix + toPaddedString(2, charCode.toString(16));
break;
}
result += useCharIndex ? symbols[index] : value.charAt(index);
}
}
return result + '"';
};
// Internal: Recursively serializes an object. Implements the
// `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
try {
// Necessary for host object support.
value = object[property];
} catch (exception) {}
if (typeof value == "object" && value) {
className = getClass.call(value);
if (className == dateClass && !isProperty.call(value, "toJSON")) {
if (value > -1 / 0 && value < 1 / 0) {
// Dates are serialized according to the `Date#toJSON` method
// specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
// for the ISO 8601 date time string format.
if (getDay) {
// Manually compute the year, month, date, hours, minutes,
// seconds, and milliseconds if the `getUTC*` methods are
// buggy. Adapted from @Yaffle's `date-shim` project.
date = floor(value / 864e5);
for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
date = 1 + date - getDay(year, month);
// The `time` value specifies the time within the day (see ES
// 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
// to compute `A modulo B`, as the `%` operator does not
// correspond to the `modulo` operation for negative numbers.
time = (value % 864e5 + 864e5) % 864e5;
// The hours, minutes, seconds, and milliseconds are obtained by
// decomposing the time within the day. See section 15.9.1.10.
hours = floor(time / 36e5) % 24;
minutes = floor(time / 6e4) % 60;
seconds = floor(time / 1e3) % 60;
milliseconds = time % 1e3;
} else {
year = value.getUTCFullYear();
month = value.getUTCMonth();
date = value.getUTCDate();
hours = value.getUTCHours();
minutes = value.getUTCMinutes();
seconds = value.getUTCSeconds();
milliseconds = value.getUTCMilliseconds();
}
// Serialize extended years correctly.
value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
"-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
// Months, dates, hours, minutes, and seconds should have two
// digits; milliseconds should have three.
"T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
// Milliseconds are optional in ES 5.0, but required in 5.1.
"." + toPaddedString(3, milliseconds) + "Z";
} else {
value = null;
}
} else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
// Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
// `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
// ignores all `toJSON` methods on these objects unless they are
// defined directly on an instance.
value = value.toJSON(property);
}
}
if (callback) {
// If a replacement function was provided, call it to obtain the value
// for serialization.
value = callback.call(object, property, value);
}
if (value === null) {
return "null";
}
className = getClass.call(value);
if (className == booleanClass) {
// Booleans are represented literally.
return "" + value;
} else if (className == numberClass) {
// JSON numbers must be finite. `Infinity` and `NaN` are serialized as
// `"null"`.
return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
} else if (className == stringClass) {
// Strings are double-quoted and escaped.
return quote("" + value);
}
// Recursively serialize objects and arrays.
if (typeof value == "object") {
// Check for cyclic structures. This is a linear search; performance
// is inversely proportional to the number of unique nested objects.
for (length = stack.length; length--;) {
if (stack[length] === value) {
// Cyclic structures cannot be serialized by `JSON.stringify`.
throw TypeError();
}
}
// Add the object to the stack of traversed objects.
stack.push(value);
results = [];
// Save the current indentation level and indent one additional level.
prefix = indentation;
indentation += whitespace;
if (className == arrayClass) {
// Recursively serialize array elements.
for (index = 0, length = value.length; index < length; index++) {
element = serialize(index, value, callback, properties, whitespace, indentation, stack);
results.push(element === undef ? "null" : element);
}
result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
} else {
// Recursively serialize object members. Members are selected from
// either a user-specified list of property names, or the object
// itself.
forEach(properties || value, function (property) {
var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
if (element !== undef) {
// According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
// is not the empty string, let `member` {quote(property) + ":"}
// be the concatenation of `member` and the `space` character."
// The "`space` character" refers to the literal space
// character, not the `space` {width} argument provided to
// `JSON.stringify`.
results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
}
});
result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
}
// Remove the object from the traversed object stack.
stack.pop();
return result;
}
};
// Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
exports.stringify = function (source, filter, width) {
var whitespace, callback, properties, className;
if (objectTypes[typeof filter] && filter) {
if ((className = getClass.call(filter)) == functionClass) {
callback = filter;
} else if (className == arrayClass) {
// Convert the property names array into a makeshift set.
properties = {};
for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
}
}
if (width) {
if ((className = getClass.call(width)) == numberClass) {
// Convert the `width` to an integer and create a string containing
// `width` number of space characters.
if ((width -= width % 1) > 0) {
for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
}
} else if (className == stringClass) {
whitespace = width.length <= 10 ? width : width.slice(0, 10);
}
}
// Opera <= 7.54u2 discards the values associated with empty string keys
// (`""`) only if they are used directly within an object member list
// (e.g., `!("" in { "": 1})`).
return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
};
}
// Public: Parses a JSON source string.
if (!has("json-parse")) {
var fromCharCode = String.fromCharCode;
// Internal: A map of escaped control characters and their unescaped
// equivalents.
var Unescapes = {
92: "\\",
34: '"',
47: "/",
98: "\b",
116: "\t",
110: "\n",
102: "\f",
114: "\r"
};
// Internal: Stores the parser state.
var Index, Source;
// Internal: Resets the parser state and throws a `SyntaxError`.
var abort = function () {
Index = Source = null;
throw SyntaxError();
};
// Internal: Returns the next token, or `"$"` if the parser has reached
// the end of the source string. A token may be a string, number, `null`
// literal, or Boolean literal.
var lex = function () {
var source = Source, length = source.length, value, begin, position, isSigned, charCode;
while (Index < length) {
charCode = source.charCodeAt(Index);
switch (charCode) {
case 9: case 10: case 13: case 32:
// Skip whitespace tokens, including tabs, carriage returns, line
// feeds, and space characters.
Index++;
break;
case 123: case 125: case 91: case 93: case 58: case 44:
// Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
// the current position.
value = charIndexBuggy ? source.charAt(Index) : source[Index];
Index++;
return value;
case 34:
// `"` delimits a JSON string; advance to the next character and
// begin parsing the string. String tokens are prefixed with the
// sentinel `@` character to distinguish them from punctuators and
// end-of-string tokens.
for (value = "@", Index++; Index < length;) {
charCode = source.charCodeAt(Index);
if (charCode < 32) {
// Unescaped ASCII control characters (those with a code unit
// less than the space character) are not permitted.
abort();
} else if (charCode == 92) {
// A reverse solidus (`\`) marks the beginning of an escaped
// control character (including `"`, `\`, and `/`) or Unicode
// escape sequence.
charCode = source.charCodeAt(++Index);
switch (charCode) {
case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
// Revive escaped control characters.
value += Unescapes[charCode];
Index++;
break;
case 117:
// `\u` marks the beginning of a Unicode escape sequence.
// Advance to the first character and validate the
// four-digit code point.
begin = ++Index;
for (position = Index + 4; Index < position; Index++) {
charCode = source.charCodeAt(Index);
// A valid sequence comprises four hexdigits (case-
// insensitive) that form a single hexadecimal value.
if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
// Invalid Unicode escape sequence.
abort();
}
}
// Revive the escaped character.
value += fromCharCode("0x" + source.slice(begin, Index));
break;
default:
// Invalid escape sequence.
abort();
}
} else {
if (charCode == 34) {
// An unescaped double-quote character marks the end of the
// string.
break;
}
charCode = source.charCodeAt(Index);
begin = Index;
// Optimize for the common case where a string is valid.
while (charCode >= 32 && charCode != 92 && charCode != 34) {
charCode = source.charCodeAt(++Index);
}
// Append the string as-is.
value += source.slice(begin, Index);
}
}
if (source.charCodeAt(Index) == 34) {
// Advance to the next character and return the revived string.
Index++;
return value;
}
// Unterminated string.
abort();
default:
// Parse numbers and literals.
begin = Index;
// Advance past the negative sign, if one is specified.
if (charCode == 45) {
isSigned = true;
charCode = source.charCodeAt(++Index);
}
// Parse an integer or floating-point value.
if (charCode >= 48 && charCode <= 57) {
// Leading zeroes are interpreted as octal literals.
if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
// Illegal octal literal.
abort();
}
isSigned = false;
// Parse the integer component.
for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
// Floats cannot contain a leading decimal point; however, this
// case is already accounted for by the parser.
if (source.charCodeAt(Index) == 46) {
position = ++Index;
// Parse the decimal component.
for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
if (position == Index) {
// Illegal trailing decimal.
abort();
}
Index = position;
}
// Parse exponents. The `e` denoting the exponent is
// case-insensitive.
charCode = source.charCodeAt(Index);
if (charCode == 101 || charCode == 69) {
charCode = source.charCodeAt(++Index);
// Skip past the sign following the exponent, if one is
// specified.
if (charCode == 43 || charCode == 45) {
Index++;
}
// Parse the exponential component.
for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
if (position == Index) {
// Illegal empty exponent.
abort();
}
Index = position;
}
// Coerce the parsed value to a JavaScript number.
return +source.slice(begin, Index);
}
// A negative sign may only precede numbers.
if (isSigned) {
abort();
}
// `true`, `false`, and `null` literals.
if (source.slice(Index, Index + 4) == "true") {
Index += 4;
return true;
} else if (source.slice(Index, Index + 5) == "false") {
Index += 5;
return false;
} else if (source.slice(Index, Index + 4) == "null") {
Index += 4;
return null;
}
// Unrecognized token.
abort();
}
}
// Return the sentinel `$` character if the parser has reached the end
// of the source string.
return "$";
};
// Internal: Parses a JSON `value` token.
var get = function (value) {
var results, hasMembers;
if (value == "$") {
// Unexpected end of input.
abort();
}
if (typeof value == "string") {
if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
// Remove the sentinel `@` character.
return value.slice(1);
}
// Parse object and array literals.
if (value == "[") {
// Parses a JSON array, returning a new JavaScript array.
results = [];
for (;; hasMembers || (hasMembers = true)) {
value = lex();
// A closing square bracket marks the end of the array literal.
if (value == "]") {
break;
}
// If the array literal contains elements, the current token
// should be a comma separating the previous element from the
// next.
if (hasMembers) {
if (value == ",") {
value = lex();
if (value == "]") {
// Unexpected trailing `,` in array literal.
abort();
}
} else {
// A `,` must separate each array element.
abort();
}
}
// Elisions and leading commas are not permitted.
if (value == ",") {
abort();
}
results.push(get(value));
}
return results;
} else if (value == "{") {
// Parses a JSON object, returning a new JavaScript object.
results = {};
for (;; hasMembers || (hasMembers = true)) {
value = lex();
// A closing curly brace marks the end of the object literal.
if (value == "}") {
break;
}
// If the object literal contains members, the current token
// should be a comma separator.
if (hasMembers) {
if (value == ",") {
value = lex();
if (value == "}") {
// Unexpected trailing `,` in object literal.
abort();
}
} else {
// A `,` must separate each object member.
abort();
}
}
// Leading commas are not permitted, object property names must be
// double-quoted strings, and a `:` must separate each property
// name and value.
if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
abort();
}
results[value.slice(1)] = get(lex());
}
return results;
}
// Unexpected token encountered.
abort();
}
return value;
};
// Internal: Updates a traversed object member.
var update = function (source, property, callback) {
var element = walk(source, property, callback);
if (element === undef) {
delete source[property];
} else {
source[property] = element;
}
};
// Internal: Recursively traverses a parsed JSON object, invoking the
// `callback` function for each value. This is an implementation of the
// `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
var walk = function (source, property, callback) {
var value = source[property], length;
if (typeof value == "object" && value) {
// `forEach` can't be used to traverse an array in Opera <= 8.54
// because its `Object#hasOwnProperty` implementation returns `false`
// for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
if (getClass.call(value) == arrayClass) {
for (length = value.length; length--;) {
update(value, length, callback);
}
} else {
forEach(value, function (property) {
update(value, property, callback);
});
}
}
return callback.call(source, property, value);
};
// Public: `JSON.parse`. See ES 5.1 section 15.12.2.
exports.parse = function (source, callback) {
var result, value;
Index = 0;
Source = "" + source;
result = get(lex());
// If a JSON string contains multiple tokens, it is invalid.
if (lex() != "$") {
abort();
}
// Reset the parser state.
Index = Source = null;
return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
};
}
}
exports["runInContext"] = runInContext;
return exports;
}
if (freeExports && !isLoader) {
// Export for CommonJS environments.
runInContext(root, freeExports);
} else {
// Export for web browsers and JavaScript engines.
var nativeJSON = root.JSON,
previousJSON = root["JSON3"],
isRestored = false;
var JSON3 = runInContext(root, (root["JSON3"] = {
// Public: Restores the original value of the global `JSON` object and
// returns a reference to the `JSON3` object.
"noConflict": function () {
if (!isRestored) {
isRestored = true;
root.JSON = nativeJSON;
root["JSON3"] = previousJSON;
nativeJSON = previousJSON = null;
}
return JSON3;
}
}));
root.JSON = {
"parse": JSON3.parse,
"stringify": JSON3.stringify
};
}
// Export for asynchronous module loaders.
if (isLoader) {
define(function () {
return JSON3;
});
}
}).call(this);
/************************************************************
* end JSON
************************************************************/
JSON2 = exports;
})();
}
/* startjslint */
/*jslint browser:true, plusplus:true, vars:true, nomen:true, evil:true, regexp: false, bitwise: true, white: true */
/*global JSON2 */
/*global window */
/*global unescape */
/*global ActiveXObject */
/*members encodeURIComponent, decodeURIComponent, getElementsByTagName,
shift, unshift, piwikAsyncInit,
createElement, appendChild, characterSet, charset, all,
addEventListener, attachEvent, removeEventListener, detachEvent, disableCookies,
cookie, domain, readyState, documentElement, doScroll, title, text,
location, top, onerror, document, referrer, parent, links, href, protocol, name, GearsFactory,
performance, mozPerformance, msPerformance, webkitPerformance, timing, requestStart,
responseEnd, event, which, button, srcElement, type, target,
parentNode, tagName, hostname, className,
userAgent, cookieEnabled, platform, mimeTypes, enabledPlugin, javaEnabled,
XMLHttpRequest, ActiveXObject, open, setRequestHeader, onreadystatechange, send, readyState, status,
getTime, getTimeAlias, setTime, toGMTString, getHours, getMinutes, getSeconds,
toLowerCase, toUpperCase, charAt, indexOf, lastIndexOf, split, slice,
onload, src,
min, round, random,
exec,
res, width, height, devicePixelRatio,
pdf, qt, realp, wma, dir, fla, java, gears, ag,
hook, getHook, getVisitorId, getVisitorInfo, setUserId, getUserId, setSiteId, getSiteId, setTrackerUrl, getTrackerUrl, appendToTrackingUrl, getRequest, addPlugin,
getAttributionInfo, getAttributionCampaignName, getAttributionCampaignKeyword,
getAttributionReferrerTimestamp, getAttributionReferrerUrl,
setCustomData, getCustomData,
setCustomRequestProcessing,
setCustomVariable, getCustomVariable, deleteCustomVariable, storeCustomVariablesInCookie, setCustomDimension, getCustomDimension,
deleteCustomDimension, setDownloadExtensions, addDownloadExtensions, removeDownloadExtensions,
setDomains, setIgnoreClasses, setRequestMethod, setRequestContentType,
setReferrerUrl, setCustomUrl, setAPIUrl, setDocumentTitle,
setDownloadClasses, setLinkClasses,
setCampaignNameKey, setCampaignKeywordKey,
discardHashTag,
setCookieNamePrefix, setCookieDomain, setCookiePath, setVisitorIdCookie,
setVisitorCookieTimeout, setSessionCookieTimeout, setReferralCookieTimeout,
setConversionAttributionFirstReferrer,
disablePerformanceTracking, setGenerationTimeMs,
doNotTrack, setDoNotTrack, msDoNotTrack, getValuesFromVisitorIdCookie,
addListener, enableLinkTracking, enableJSErrorTracking, setLinkTrackingTimer,
enableHeartBeatTimer, disableHeartBeatTimer, killFrame, redirectFile, setCountPreRendered,
trackGoal, trackLink, trackPageView, trackSiteSearch, trackEvent,
setEcommerceView, addEcommerceItem, trackEcommerceOrder, trackEcommerceCartUpdate,
deleteCookie, deleteCookies, offsetTop, offsetLeft, offsetHeight, offsetWidth, nodeType, defaultView,
innerHTML, scrollLeft, scrollTop, currentStyle, getComputedStyle, querySelectorAll, splice,
getAttribute, hasAttribute, attributes, nodeName, findContentNodes, findContentNodes, findContentNodesWithinNode,