dojo.provide("dojo.date.serialize");
dojo.require("dojo.string.common");
/* ISO 8601 Functions
*********************/
dojo.date.setIso8601 = function(/*Date*/dateObject, /*String*/formattedString){
// summary: sets a Date object based on an ISO 8601 formatted string (uses date and time)
var comps = (formattedString.indexOf("T") == -1) ? formattedString.split(" ") : formattedString.split("T");
dateObject = dojo.date.setIso8601Date(dateObject, comps[0]);
if(comps.length == 2){ dateObject = dojo.date.setIso8601Time(dateObject, comps[1]); }
return dateObject; /* Date or null */
};
dojo.date.fromIso8601 = function(/*String*/formattedString){
// summary: returns a Date object based on an ISO 8601 formatted string (uses date and time)
return dojo.date.setIso8601(new Date(0, 0), formattedString);
};
dojo.date.setIso8601Date = function(/*String*/dateObject, /*String*/formattedString){
// summary: sets a Date object based on an ISO 8601 formatted string (date only)
var regexp = "^([0-9]{4})((-?([0-9]{2})(-?([0-9]{2}))?)|" +
"(-?([0-9]{3}))|(-?W([0-9]{2})(-?([1-7]))?))?$";
var d = formattedString.match(new RegExp(regexp));
if(!d){
dojo.debug("invalid date string: " + formattedString);
return null; // null
}
var year = d[1];
var month = d[4];
var date = d[6];
var dayofyear = d[8];
var week = d[10];
var dayofweek = d[12] ? d[12] : 1;
dateObject.setFullYear(year);
if(dayofyear){
dateObject.setMonth(0);
dateObject.setDate(Number(dayofyear));
}
else if(week){
dateObject.setMonth(0);
dateObject.setDate(1);
var gd = dateObject.getDay();
var day = gd ? gd : 7;
var offset = Number(dayofweek) + (7 * Number(week));
if(day <= 4){ dateObject.setDate(offset + 1 - day); }
else{ dateObject.setDate(offset + 8 - day); }
} else{
if(month){
dateObject.setDate(1);
dateObject.setMonth(month - 1);
}
if(date){ dateObject.setDate(date); }
}
return dateObject; // Date
};
dojo.date.fromIso8601Date = function(/*String*/formattedString){
// summary: returns a Date object based on an ISO 8601 formatted string (date only)
return dojo.date.setIso8601Date(new Date(0, 0), formattedString);
};
dojo.date.setIso8601Time = function(/*Date*/dateObject, /*String*/formattedString){
// summary: sets a Date object based on an ISO 8601 formatted string (time only)
// first strip timezone info from the end
var timezone = "Z|(([-+])([0-9]{2})(:?([0-9]{2}))?)$";
var d = formattedString.match(new RegExp(timezone));
var offset = 0; // local time if no tz info
if(d){
if(d[0] != 'Z'){
offset = (Number(d[3]) * 60) + Number(d[5]);
offset *= ((d[2] == '-') ? 1 : -1);
}
offset -= dateObject.getTimezoneOffset();
formattedString = formattedString.substr(0, formattedString.length - d[0].length);
}
// then work out the time
var regexp = "^([0-9]{2})(:?([0-9]{2})(:?([0-9]{2})(\.([0-9]+))?)?)?$";
d = formattedString.match(new RegExp(regexp));
if(!d){
dojo.debug("invalid time string: " + formattedString);
return null; // null
}
var hours = d[1];
var mins = Number((d[3]) ? d[3] : 0);
var secs = (d[5]) ? d[5] : 0;
var ms = d[7] ? (Number("0." + d[7]) * 1000) : 0;
dateObject.setHours(hours);
dateObject.setMinutes(mins);
dateObject.setSeconds(secs);
dateObject.setMilliseconds(ms);
if(offset !== 0){
dateObject.setTime(dateObject.getTime() + offset * 60000);
}
return dateObject; // Date
};
dojo.date.fromIso8601Time = function(/*String*/formattedString){
// summary: returns a Date object based on an ISO 8601 formatted string (date only)
return dojo.date.setIso8601Time(new Date(0, 0), formattedString);
};
/* RFC-3339 Date Functions
*************************/
dojo.date.toRfc3339 = function(/*Date?*/dateObject, /*String?*/selector){
// summary:
// Format a JavaScript Date object as a string according to RFC 3339
//
// dateObject:
// A JavaScript date, or the current date and time, by default
//
// selector:
// "dateOnly" or "timeOnly" to format selected portions of the Date object.
// Date and time will be formatted by default.
//FIXME: tolerate Number, string input?
if(!dateObject){
dateObject = new Date();
}
var _ = dojo.string.pad;
var formattedDate = [];
if(selector != "timeOnly"){
var date = [_(dateObject.getFullYear(),4), _(dateObject.getMonth()+1,2), _(dateObject.getDate(),2)].join('-');
formattedDate.push(date);
}
if(selector != "dateOnly"){
var time = [_(dateObject.getHours(),2), _(dateObject.getMinutes(),2), _(dateObject.getSeconds(),2)].join(':');
var timezoneOffset = dateObject.getTimezoneOffset();
time += (timezoneOffset > 0 ? "-" : "+") +
_(Math.floor(Math.abs(timezoneOffset)/60),2) + ":" +
_(Math.abs(timezoneOffset)%60,2);
formattedDate.push(time);
}
return formattedDate.join('T'); // String
};
dojo.date.fromRfc3339 = function(/*String*/rfcDate){
// summary:
// Create a JavaScript Date object from a string formatted according to RFC 3339
//
// rfcDate:
// A string such as 2005-06-30T08:05:00-07:00
// "any" is also supported in place of a time.
// backwards compatible support for use of "any" instead of just not
// including the time
if(rfcDate.indexOf("Tany")!=-1){
rfcDate = rfcDate.replace("Tany","");
}
var dateObject = new Date();
return dojo.date.setIso8601(dateObject, rfcDate); // Date or null
};