MochiKit/DateTime.js

   1 /***
   2
   3 MochiKit.DateTime 1.4
   4
   5 See <http://mochikit.com/> for documentation, downloads, license, etc.
   6
   7 (c) 2005 Bob Ippolito.  All rights Reserved.
   8
   9 ***/
  10
  11 if (typeof(dojo) != 'undefined') {
  12     dojo.provide('MochiKit.DateTime');
  13 }
  14
  15 if (typeof(MochiKit) == 'undefined') {
  16     MochiKit = {};
  17 }
  18
  19 if (typeof(MochiKit.DateTime) == 'undefined') {
  20     MochiKit.DateTime = {};
  21 }
  22
  23 MochiKit.DateTime.NAME = "MochiKit.DateTime";
  24 MochiKit.DateTime.VERSION = "1.4";
  25 MochiKit.DateTime.__repr__ = function () {
  26     return "[" + this.NAME + " " + this.VERSION + "]";
  27 };
  28 MochiKit.DateTime.toString = function () {
  29     return this.__repr__();
  30 };
  31
  32 /** @id MochiKit.DateTime.isoDate */
  33 MochiKit.DateTime.isoDate = function (str) {
  34     str = str + "";
  35     if (typeof(str) != "string" || str.length === 0) {
  36         return null;
  37     }
  38     var iso = str.split('-');
  39     if (iso.length === 0) {
  40         return null;
  41     }
  42     return new Date(iso[0], iso[1] - 1, iso[2]);
  43 };
  44
  45 MochiKit.DateTime._isoRegexp = /(\d{4,})(?:-(\d{1,2})(?:-(\d{1,2})(?:[T ](\d{1,2}):(\d{1,2})(?::(\d{1,2})(?:\.(\d+))?)?(?:(Z)|([+-])(\d{1,2})(?::(\d{1,2}))?)?)?)?)?/;
  46
  47 /** @id MochiKit.DateTime.isoTimestamp */
  48 MochiKit.DateTime.isoTimestamp = function (str) {
  49     str = str + "";
  50     if (typeof(str) != "string" || str.length === 0) {
  51         return null;
  52     }
  53     var res = str.match(MochiKit.DateTime._isoRegexp);
  54     if (typeof(res) == "undefined" || res === null) {
  55         return null;
  56     }
  57     var year, month, day, hour, min, sec, msec;
  58     year = parseInt(res[1], 10);
  59     if (typeof(res[2]) == "undefined" || res[2] === '') {
  60         return new Date(year);
  61     }
  62     month = parseInt(res[2], 10) - 1;
  63     day = parseInt(res[3], 10);
  64     if (typeof(res[4]) == "undefined" || res[4] === '') {
  65         return new Date(year, month, day);
  66     }
  67     hour = parseInt(res[4], 10);
  68     min = parseInt(res[5], 10);
  69     sec = (typeof(res[6]) != "undefined" && res[6] !== '') ? parseInt(res[6], 10) : 0;
  70     if (typeof(res[7]) != "undefined" && res[7] !== '') {
  71         msec = Math.round(1000.0 * parseFloat("0." + res[7]));
  72     } else {
  73         msec = 0;
  74     }
  75     if ((typeof(res[8]) == "undefined" || res[8] === '') && (typeof(res[9]) == "undefined" || res[9] === '')) {
  76         return new Date(year, month, day, hour, min, sec, msec);
  77     }
  78     var ofs;
  79     if (typeof(res[9]) != "undefined" && res[9] !== '') {
  80         ofs = parseInt(res[10], 10) * 3600000;
  81         if (typeof(res[11]) != "undefined" && res[11] !== '') {
  82             ofs += parseInt(res[11], 10) * 60000;
  83         }
  84         if (res[9] == "-") {
  85             ofs = -ofs;
  86         }
  87     } else {
  88         ofs = 0;
  89     }
  90     return new Date(Date.UTC(year, month, day, hour, min, sec, msec) - ofs);
  91 };
  92
  93 /** @id MochiKit.DateTime.toISOTime */
  94 MochiKit.DateTime.toISOTime = function (date, realISO/* = false */) {
  95     if (typeof(date) == "undefined" || date === null) {
  96         return null;
  97     }
  98     var hh = date.getHours();
  99     var mm = date.getMinutes();
 100     var ss = date.getSeconds();
 101     var lst = [
 102         ((realISO && (hh < 10)) ? "0" + hh : hh),
 103         ((mm < 10) ? "0" + mm : mm),
 104         ((ss < 10) ? "0" + ss : ss)
 105     ];
 106     return lst.join(":");
 107 };
 108
 109 /** @id MochiKit.DateTime.toISOTimeStamp */
 110 MochiKit.DateTime.toISOTimestamp = function (date, realISO/* = false*/) {
 111     if (typeof(date) == "undefined" || date === null) {
 112         return null;
 113     }
 114     var sep = realISO ? "T" : " ";
 115     var foot = realISO ? "Z" : "";
 116     if (realISO) {
 117         date = new Date(date.getTime() + (date.getTimezoneOffset() * 60000));
 118     }
 119     return MochiKit.DateTime.toISODate(date) + sep + MochiKit.DateTime.toISOTime(date, realISO) + foot;
 120 };
 121
 122 /** @id MochiKit.DateTime.toISODate */
 123 MochiKit.DateTime.toISODate = function (date) {
 124     if (typeof(date) == "undefined" || date === null) {
 125         return null;
 126     }
 127     var _padTwo = MochiKit.DateTime._padTwo;
 128     return [
 129         date.getFullYear(),
 130         _padTwo(date.getMonth() + 1),
 131         _padTwo(date.getDate())
 132     ].join("-");
 133 };
 134
 135 /** @id MochiKit.DateTime.americanDate */
 136 MochiKit.DateTime.americanDate = function (d) {
 137     d = d + "";
 138     if (typeof(d) != "string" || d.length === 0) {
 139         return null;
 140     }
 141     var a = d.split('/');
 142     return new Date(a[2], a[0] - 1, a[1]);
 143 };
 144
 145 MochiKit.DateTime._padTwo = function (n) {
 146     return (n > 9) ? n : "0" + n;
 147 };
 148
 149 /** @id MochiKit.DateTime.toPaddedAmericanDate */
 150 MochiKit.DateTime.toPaddedAmericanDate = function (d) {
 151     if (typeof(d) == "undefined" || d === null) {
 152         return null;
 153     }
 154     var _padTwo = MochiKit.DateTime._padTwo;
 155     return [
 156         _padTwo(d.getMonth() + 1),
 157         _padTwo(d.getDate()),
 158         d.getFullYear()
 159     ].join('/');
 160 };
 161
 162 /** @id MochiKit.DateTime.toAmericanDate */
 163 MochiKit.DateTime.toAmericanDate = function (d) {
 164     if (typeof(d) == "undefined" || d === null) {
 165         return null;
 166     }
 167     return [d.getMonth() + 1, d.getDate(), d.getFullYear()].join('/');
 168 };
 169
 170 MochiKit.DateTime.EXPORT = [
 171     "isoDate",
 172     "isoTimestamp",
 173     "toISOTime",
 174     "toISOTimestamp",
 175     "toISODate",
 176     "americanDate",
 177     "toPaddedAmericanDate",
 178     "toAmericanDate"
 179 ];
 180
 181 MochiKit.DateTime.EXPORT_OK = [];
 182 MochiKit.DateTime.EXPORT_TAGS = {
 183     ":common": MochiKit.DateTime.EXPORT,
 184     ":all": MochiKit.DateTime.EXPORT
 185 };
 186
 187 MochiKit.DateTime.__new__ = function () {
 188     // MochiKit.Base.nameFunctions(this);
 189     var base = this.NAME + ".";
 190     for (var k in this) {
 191         var o = this[k];
 192         if (typeof(o) == 'function' && typeof(o.NAME) == 'undefined') {
 193             try {
 194                 o.NAME = base + k;
 195             } catch (e) {
 196                 // pass
 197             }
 198         }
 199     }
 200 };
 201
 202 MochiKit.DateTime.__new__();
 203
 204 if (typeof(MochiKit.Base) != "undefined") {
 205     MochiKit.Base._exportSymbols(this, MochiKit.DateTime);
 206 } else {
 207     (function (globals, module) {
 208         if ((typeof(JSAN) == 'undefined' && typeof(dojo) == 'undefined')
 209             || (MochiKit.__export__ === false)) {
 210             var all = module.EXPORT_TAGS[":all"];
 211             for (var i = 0; i < all.length; i++) {
 212                 globals[all[i]] = module[all[i]];
 213             }
 214         }
 215     })(this, MochiKit.DateTime);
 216 }