]> git.pond.sub.org Git - eow/blobdiff - static/dojo-release-1.1.1/dojo/date/stamp.js
add Dojo 1.1.1
[eow] / static / dojo-release-1.1.1 / dojo / date / stamp.js
diff --git a/static/dojo-release-1.1.1/dojo/date/stamp.js b/static/dojo-release-1.1.1/dojo/date/stamp.js
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+if(!dojo._hasResource["dojo.date.stamp"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.date.stamp"] = true;
+dojo.provide("dojo.date.stamp");
+
+// Methods to convert dates to or from a wire (string) format using well-known conventions
+
+dojo.date.stamp.fromISOString = function(/*String*/formattedString, /*Number?*/defaultTime){
+       //      summary:
+       //              Returns a Date object given a string formatted according to a subset of the ISO-8601 standard.
+       //
+       //      description:
+       //              Accepts a string formatted according to a profile of ISO8601 as defined by
+       //              [RFC3339](http://www.ietf.org/rfc/rfc3339.txt), except that partial input is allowed.
+       //              Can also process dates as specified [by the W3C](http://www.w3.org/TR/NOTE-datetime)
+       //              The following combinations are valid:
+       //
+       //                      * dates only
+       //                      |       * yyyy
+       //                      |       * yyyy-MM
+       //                      |       * yyyy-MM-dd
+       //                      * times only, with an optional time zone appended
+       //                      |       * THH:mm
+       //                      |       * THH:mm:ss
+       //                      |       * THH:mm:ss.SSS
+       //                      * and "datetimes" which could be any combination of the above
+       //
+       //              timezones may be specified as Z (for UTC) or +/- followed by a time expression HH:mm
+       //              Assumes the local time zone if not specified.  Does not validate.  Improperly formatted
+       //              input may return null.  Arguments which are out of bounds will be handled
+       //              by the Date constructor (e.g. January 32nd typically gets resolved to February 1st)
+       //              Only years between 100 and 9999 are supported.
+       //
+       //      formattedString:
+       //              A string such as 2005-06-30T08:05:00-07:00 or 2005-06-30 or T08:05:00
+       //
+       //      defaultTime:
+       //              Used for defaults for fields omitted in the formattedString.
+       //              Uses 1970-01-01T00:00:00.0Z by default.
+
+       if(!dojo.date.stamp._isoRegExp){
+               dojo.date.stamp._isoRegExp =
+//TODO: could be more restrictive and check for 00-59, etc.
+                       /^(?:(\d{4})(?:-(\d{2})(?:-(\d{2}))?)?)?(?:T(\d{2}):(\d{2})(?::(\d{2})(.\d+)?)?((?:[+-](\d{2}):(\d{2}))|Z)?)?$/;
+       }
+
+       var match = dojo.date.stamp._isoRegExp.exec(formattedString);
+       var result = null;
+
+       if(match){
+               match.shift();
+               if(match[1]){match[1]--;} // Javascript Date months are 0-based
+               if(match[6]){match[6] *= 1000;} // Javascript Date expects fractional seconds as milliseconds
+
+               if(defaultTime){
+                       // mix in defaultTime.  Relatively expensive, so use || operators for the fast path of defaultTime === 0
+                       defaultTime = new Date(defaultTime);
+                       dojo.map(["FullYear", "Month", "Date", "Hours", "Minutes", "Seconds", "Milliseconds"], function(prop){
+                               return defaultTime["get" + prop]();
+                       }).forEach(function(value, index){
+                               if(match[index] === undefined){
+                                       match[index] = value;
+                               }
+                       });
+               }
+               result = new Date(match[0]||1970, match[1]||0, match[2]||1, match[3]||0, match[4]||0, match[5]||0, match[6]||0);
+//             result.setFullYear(match[0]||1970); // for year < 100
+
+               var offset = 0;
+               var zoneSign = match[7] && match[7].charAt(0);
+               if(zoneSign != 'Z'){
+                       offset = ((match[8] || 0) * 60) + (Number(match[9]) || 0);
+                       if(zoneSign != '-'){ offset *= -1; }
+               }
+               if(zoneSign){
+                       offset -= result.getTimezoneOffset();
+               }
+               if(offset){
+                       result.setTime(result.getTime() + offset * 60000);
+               }
+       }
+
+       return result; // Date or null
+}
+
+/*=====
+       dojo.date.stamp.__Options = function(){
+               //      selector: String
+               //              "date" or "time" for partial formatting of the Date object.
+               //              Both date and time will be formatted by default.
+               //      zulu: Boolean
+               //              if true, UTC/GMT is used for a timezone
+               //      milliseconds: Boolean
+               //              if true, output milliseconds
+               this.selector = selector;
+               this.zulu = zulu;
+               this.milliseconds = milliseconds;
+       }
+=====*/
+
+dojo.date.stamp.toISOString = function(/*Date*/dateObject, /*dojo.date.stamp.__Options?*/options){
+       //      summary:
+       //              Format a Date object as a string according a subset of the ISO-8601 standard
+       //
+       //      description:
+       //              When options.selector is omitted, output follows [RFC3339](http://www.ietf.org/rfc/rfc3339.txt)
+       //              The local time zone is included as an offset from GMT, except when selector=='time' (time without a date)
+       //              Does not check bounds.  Only years between 100 and 9999 are supported.
+       //
+       //      dateObject:
+       //              A Date object
+
+       var _ = function(n){ return (n < 10) ? "0" + n : n; };
+       options = options || {};
+       var formattedDate = [];
+       var getter = options.zulu ? "getUTC" : "get";
+       var date = "";
+       if(options.selector != "time"){
+               var year = dateObject[getter+"FullYear"]();
+               date = ["0000".substr((year+"").length)+year, _(dateObject[getter+"Month"]()+1), _(dateObject[getter+"Date"]())].join('-');
+       }
+       formattedDate.push(date);
+       if(options.selector != "date"){
+               var time = [_(dateObject[getter+"Hours"]()), _(dateObject[getter+"Minutes"]()), _(dateObject[getter+"Seconds"]())].join(':');
+               var millis = dateObject[getter+"Milliseconds"]();
+               if(options.milliseconds){
+                       time += "."+ (millis < 100 ? "0" : "") + _(millis);
+               }
+               if(options.zulu){
+                       time += "Z";
+               }else if(options.selector != "time"){
+                       var timezoneOffset = dateObject.getTimezoneOffset();
+                       var absOffset = Math.abs(timezoneOffset);
+                       time += (timezoneOffset > 0 ? "-" : "+") + 
+                               _(Math.floor(absOffset/60)) + ":" + _(absOffset%60);
+               }
+               formattedDate.push(time);
+       }
+       return formattedDate.join('T'); // String
+}
+
+}