tests/exceptionFuzz/date-format-xparb.js

   1 try {
   2
   3 /*
   4  * Copyright (C) 2004 Baron Schwartz <baron at sequent dot org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as published by the
   8  * Free Software Foundation, version 2.1.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
  13  * details.
  14  */
  15
  16 Date.parseFunctions = {count:0};
  17 Date.parseRegexes = [];
  18 Date.formatFunctions = {count:0};
  19
  20 Date.prototype.dateFormat = function(format) {
  21     if (Date.formatFunctions[format] == null) {
  22         Date.createNewFormat(format);
  23     }
  24     var func = Date.formatFunctions[format];
  25     return this[func]();
  26 }
  27
  28 Date.createNewFormat = function(format) {
  29     var funcName = "format" + Date.formatFunctions.count++;
  30     Date.formatFunctions[format] = funcName;
  31     var code = "Date.prototype." + funcName + " = function(){return ";
  32     var special = false;
  33     var ch = '';
  34     for (var i = 0; i < format.length; ++i) {
  35         ch = format.charAt(i);
  36         if (!special && ch == "\\") {
  37             special = true;
  38         }
  39         else if (special) {
  40             special = false;
  41             code += "'" + String.escape(ch) + "' + ";
  42         }
  43         else {
  44             code += Date.getFormatCode(ch);
  45         }
  46     }
  47     eval(code.substring(0, code.length - 3) + ";}");
  48 }
  49
  50 Date.getFormatCode = function(character) {
  51     switch (character) {
  52     case "d":
  53         return "String.leftPad(this.getDate(), 2, '0') + ";
  54     case "D":
  55         return "Date.dayNames[this.getDay()].substring(0, 3) + ";
  56     case "j":
  57         return "this.getDate() + ";
  58     case "l":
  59         return "Date.dayNames[this.getDay()] + ";
  60     case "S":
  61         return "this.getSuffix() + ";
  62     case "w":
  63         return "this.getDay() + ";
  64     case "z":
  65         return "this.getDayOfYear() + ";
  66     case "W":
  67         return "this.getWeekOfYear() + ";
  68     case "F":
  69         return "Date.monthNames[this.getMonth()] + ";
  70     case "m":
  71         return "String.leftPad(this.getMonth() + 1, 2, '0') + ";
  72     case "M":
  73         return "Date.monthNames[this.getMonth()].substring(0, 3) + ";
  74     case "n":
  75         return "(this.getMonth() + 1) + ";
  76     case "t":
  77         return "this.getDaysInMonth() + ";
  78     case "L":
  79         return "(this.isLeapYear() ? 1 : 0) + ";
  80     case "Y":
  81         return "this.getFullYear() + ";
  82     case "y":
  83         return "('' + this.getFullYear()).substring(2, 4) + ";
  84     case "a":
  85         return "(this.getHours() < 12 ? 'am' : 'pm') + ";
  86     case "A":
  87         return "(this.getHours() < 12 ? 'AM' : 'PM') + ";
  88     case "g":
  89         return "((this.getHours() %12) ? this.getHours() % 12 : 12) + ";
  90     case "G":
  91         return "this.getHours() + ";
  92     case "h":
  93         return "String.leftPad((this.getHours() %12) ? this.getHours() % 12 : 12, 2, '0') + ";
  94     case "H":
  95         return "String.leftPad(this.getHours(), 2, '0') + ";
  96     case "i":
  97         return "String.leftPad(this.getMinutes(), 2, '0') + ";
  98     case "s":
  99         return "String.leftPad(this.getSeconds(), 2, '0') + ";
 100     case "O":
 101         return "this.getGMTOffset() + ";
 102     case "T":
 103         return "this.getTimezone() + ";
 104     case "Z":
 105         return "(this.getTimezoneOffset() * -60) + ";
 106     default:
 107         return "'" + String.escape(character) + "' + ";
 108     }
 109 }
 110
 111 Date.parseDate = function(input, format) {
 112     if (Date.parseFunctions[format] == null) {
 113         Date.createParser(format);
 114     }
 115     var func = Date.parseFunctions[format];
 116     return Date[func](input);
 117 }
 118
 119 Date.createParser = function(format) {
 120     var funcName = "parse" + Date.parseFunctions.count++;
 121     var regexNum = Date.parseRegexes.length;
 122     var currentGroup = 1;
 123     Date.parseFunctions[format] = funcName;
 124
 125     var code = "Date." + funcName + " = function(input){\n"
 126         + "var y = -1, m = -1, d = -1, h = -1, i = -1, s = -1;\n"
 127         + "var d = new Date();\n"
 128         + "y = d.getFullYear();\n"
 129         + "m = d.getMonth();\n"
 130         + "d = d.getDate();\n"
 131         + "var results = input.match(Date.parseRegexes[" + regexNum + "]);\n"
 132         + "if (results && results.length > 0) {"
 133     var regex = "";
 134
 135     var special = false;
 136     var ch = '';
 137     for (var i = 0; i < format.length; ++i) {
 138         ch = format.charAt(i);
 139         if (!special && ch == "\\") {
 140             special = true;
 141         }
 142         else if (special) {
 143             special = false;
 144             regex += String.escape(ch);
 145         }
 146         else {
 147             obj = Date.formatCodeToRegex(ch, currentGroup);
 148             currentGroup += obj.g;
 149             regex += obj.s;
 150             if (obj.g && obj.c) {
 151                 code += obj.c;
 152             }
 153         }
 154     }
 155
 156     code += "if (y > 0 && m >= 0 && d > 0 && h >= 0 && i >= 0 && s >= 0)\n"
 157         + "{return new Date(y, m, d, h, i, s);}\n"
 158         + "else if (y > 0 && m >= 0 && d > 0 && h >= 0 && i >= 0)\n"
 159         + "{return new Date(y, m, d, h, i);}\n"
 160         + "else if (y > 0 && m >= 0 && d > 0 && h >= 0)\n"
 161         + "{return new Date(y, m, d, h);}\n"
 162         + "else if (y > 0 && m >= 0 && d > 0)\n"
 163         + "{return new Date(y, m, d);}\n"
 164         + "else if (y > 0 && m >= 0)\n"
 165         + "{return new Date(y, m);}\n"
 166         + "else if (y > 0)\n"
 167         + "{return new Date(y);}\n"
 168         + "}return null;}";
 169
 170     Date.parseRegexes[regexNum] = new RegExp("^" + regex + "$");
 171     eval(code);
 172 }
 173
 174 Date.formatCodeToRegex = function(character, currentGroup) {
 175     switch (character) {
 176     case "D":
 177         return {g:0,
 178         c:null,
 179         s:"(?:Sun|Mon|Tue|Wed|Thu|Fri|Sat)"};
 180     case "j":
 181     case "d":
 182         return {g:1,
 183             c:"d = parseInt(results[" + currentGroup + "], 10);\n",
 184             s:"(\\d{1,2})"};
 185     case "l":
 186         return {g:0,
 187             c:null,
 188             s:"(?:" + Date.dayNames.join("|") + ")"};
 189     case "S":
 190         return {g:0,
 191             c:null,
 192             s:"(?:st|nd|rd|th)"};
 193     case "w":
 194         return {g:0,
 195             c:null,
 196             s:"\\d"};
 197     case "z":
 198         return {g:0,
 199             c:null,
 200             s:"(?:\\d{1,3})"};
 201     case "W":
 202         return {g:0,
 203             c:null,
 204             s:"(?:\\d{2})"};
 205     case "F":
 206         return {g:1,
 207             c:"m = parseInt(Date.monthNumbers[results[" + currentGroup + "].substring(0, 3)], 10);\n",
 208             s:"(" + Date.monthNames.join("|") + ")"};
 209     case "M":
 210         return {g:1,
 211             c:"m = parseInt(Date.monthNumbers[results[" + currentGroup + "]], 10);\n",
 212             s:"(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)"};
 213     case "n":
 214     case "m":
 215         return {g:1,
 216             c:"m = parseInt(results[" + currentGroup + "], 10) - 1;\n",
 217             s:"(\\d{1,2})"};
 218     case "t":
 219         return {g:0,
 220             c:null,
 221             s:"\\d{1,2}"};
 222     case "L":
 223         return {g:0,
 224             c:null,
 225             s:"(?:1|0)"};
 226     case "Y":
 227         return {g:1,
 228             c:"y = parseInt(results[" + currentGroup + "], 10);\n",
 229             s:"(\\d{4})"};
 230     case "y":
 231         return {g:1,
 232             c:"var ty = parseInt(results[" + currentGroup + "], 10);\n"
 233                 + "y = ty > Date.y2kYear ? 1900 + ty : 2000 + ty;\n",
 234             s:"(\\d{1,2})"};
 235     case "a":
 236         return {g:1,
 237             c:"if (results[" + currentGroup + "] == 'am') {\n"
 238                 + "if (h == 12) { h = 0; }\n"
 239                 + "} else { if (h < 12) { h += 12; }}",
 240             s:"(am|pm)"};
 241     case "A":
 242         return {g:1,
 243             c:"if (results[" + currentGroup + "] == 'AM') {\n"
 244                 + "if (h == 12) { h = 0; }\n"
 245                 + "} else { if (h < 12) { h += 12; }}",
 246             s:"(AM|PM)"};
 247     case "g":
 248     case "G":
 249     case "h":
 250     case "H":
 251         return {g:1,
 252             c:"h = parseInt(results[" + currentGroup + "], 10);\n",
 253             s:"(\\d{1,2})"};
 254     case "i":
 255         return {g:1,
 256             c:"i = parseInt(results[" + currentGroup + "], 10);\n",
 257             s:"(\\d{2})"};
 258     case "s":
 259         return {g:1,
 260             c:"s = parseInt(results[" + currentGroup + "], 10);\n",
 261             s:"(\\d{2})"};
 262     case "O":
 263         return {g:0,
 264             c:null,
 265             s:"[+-]\\d{4}"};
 266     case "T":
 267         return {g:0,
 268             c:null,
 269             s:"[A-Z]{3}"};
 270     case "Z":
 271         return {g:0,
 272             c:null,
 273             s:"[+-]\\d{1,5}"};
 274     default:
 275         return {g:0,
 276             c:null,
 277             s:String.escape(character)};
 278     }
 279 }
 280
 281 Date.prototype.getTimezone = function() {
 282     return this.toString().replace(
 283         /^.*? ([A-Z]{3}) [0-9]{4}.*$/, "$1").replace(
 284         /^.*?\(([A-Z])[a-z]+ ([A-Z])[a-z]+ ([A-Z])[a-z]+\)$/, "$1$2$3");
 285 }
 286
 287 Date.prototype.getGMTOffset = function() {
 288     return (this.getTimezoneOffset() > 0 ? "-" : "+")
 289         + String.leftPad(Math.floor(this.getTimezoneOffset() / 60), 2, "0")
 290         + String.leftPad(this.getTimezoneOffset() % 60, 2, "0");
 291 }
 292
 293 Date.prototype.getDayOfYear = function() {
 294     var num = 0;
 295     Date.daysInMonth[1] = this.isLeapYear() ? 29 : 28;
 296     for (var i = 0; i < this.getMonth(); ++i) {
 297         num += Date.daysInMonth[i];
 298     }
 299     return num + this.getDate() - 1;
 300 }
 301
 302 Date.prototype.getWeekOfYear = function() {
 303     // Skip to Thursday of this week
 304     var now = this.getDayOfYear() + (4 - this.getDay());
 305     // Find the first Thursday of the year
 306     var jan1 = new Date(this.getFullYear(), 0, 1);
 307     var then = (7 - jan1.getDay() + 4);
 308     document.write(then);
 309     return String.leftPad(((now - then) / 7) + 1, 2, "0");
 310 }
 311
 312 Date.prototype.isLeapYear = function() {
 313     var year = this.getFullYear();
 314     return ((year & 3) == 0 && (year % 100 || (year % 400 == 0 && year)));
 315 }
 316
 317 Date.prototype.getFirstDayOfMonth = function() {
 318     var day = (this.getDay() - (this.getDate() - 1)) % 7;
 319     return (day < 0) ? (day + 7) : day;
 320 }
 321
 322 Date.prototype.getLastDayOfMonth = function() {
 323     var day = (this.getDay() + (Date.daysInMonth[this.getMonth()] - this.getDate())) % 7;
 324     return (day < 0) ? (day + 7) : day;
 325 }
 326
 327 Date.prototype.getDaysInMonth = function() {
 328     Date.daysInMonth[1] = this.isLeapYear() ? 29 : 28;
 329     return Date.daysInMonth[this.getMonth()];
 330 }
 331
 332 Date.prototype.getSuffix = function() {
 333     switch (this.getDate()) {
 334         case 1:
 335         case 21:
 336         case 31:
 337             return "st";
 338         case 2:
 339         case 22:
 340             return "nd";
 341         case 3:
 342         case 23:
 343             return "rd";
 344         default:
 345             return "th";
 346     }
 347 }
 348
 349 String.escape = function(string) {
 350     return string.replace(/('|\\)/g, "\\$1");
 351 }
 352
 353 String.leftPad = function (val, size, ch) {
 354     var result = new String(val);
 355     if (ch == null) {
 356         ch = " ";
 357     }
 358     while (result.length < size) {
 359         result = ch + result;
 360     }
 361     return result;
 362 }
 363
 364 Date.daysInMonth = [31,28,31,30,31,30,31,31,30,31,30,31];
 365 Date.monthNames =
 366    ["January",
 367     "February",
 368     "March",
 369     "April",
 370     "May",
 371     "June",
 372     "July",
 373     "August",
 374     "September",
 375     "October",
 376     "November",
 377     "December"];
 378 Date.dayNames =
 379    ["Sunday",
 380     "Monday",
 381     "Tuesday",
 382     "Wednesday",
 383     "Thursday",
 384     "Friday",
 385     "Saturday"];
 386 Date.y2kYear = 50;
 387 Date.monthNumbers = {
 388     Jan:0,
 389     Feb:1,
 390     Mar:2,
 391     Apr:3,
 392     May:4,
 393     Jun:5,
 394     Jul:6,
 395     Aug:7,
 396     Sep:8,
 397     Oct:9,
 398     Nov:10,
 399     Dec:11};
 400 Date.patterns = {
 401     ISO8601LongPattern:"Y-m-d H:i:s",
 402     ISO8601ShortPattern:"Y-m-d",
 403     ShortDatePattern: "n/j/Y",
 404     LongDatePattern: "l, F d, Y",
 405     FullDateTimePattern: "l, F d, Y g:i:s A",
 406     MonthDayPattern: "F d",
 407     ShortTimePattern: "g:i A",
 408     LongTimePattern: "g:i:s A",
 409     SortableDateTimePattern: "Y-m-d\\TH:i:s",
 410     UniversalSortableDateTimePattern: "Y-m-d H:i:sO",
 411     YearMonthPattern: "F, Y"};
 412
 413 var date = new Date("1/1/2007 1:11:11");
 414
 415 for (i = 0; i < 4000; ++i) {
 416     var shortFormat = date.dateFormat("Y-m-d");
 417     var longFormat = date.dateFormat("l, F d, Y g:i:s A");
 418     date.setTime(date.getTime() + 84266956);
 419 }
 420
 421 // FIXME: Find a way to validate this test.
 422 // https://bugs.webkit.org/show_bug.cgi?id=114849
 423
 424 } catch (e) {
 425     print("JSC EXCEPTION FUZZ: Caught exception: " + e);
 426 }