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/*
* rfc3339date.js
*
* Adds ISO 8601 / RFC 3339 date parsing to the Javascript Date object.
* Usage:
* var d = Date.parseISO8601( "2010-07-20T15:00:00Z" );
* var d = Date.parse( "2010-07-20T15:00:00Z" );
* Tested for compatibilty/coexistence with:
* - jQuery [http://jquery.com]
* - datejs [http://www.datejs.com/]
*
* Copyright (c) 2010 Paul GALLAGHER http://tardate.com
* Licensed under the MIT license:
* http://www.opensource.org/licenses/mit-license.php
*
*/
/*
* Number.prototype.toPaddedString
* Number instance method used to left-pad numbers to the specified length
* Used by the Date.prototype.toRFC3339XXX methods
*/
Number.prototype.toPaddedString = function(len , fillchar) {
var result = this.toString();
if(typeof(fillchar) == 'undefined'){ fillchar = '0' };
while(result.length < len){ result = fillchar + result; };
return result;
}
/*
* Date.prototype.toRFC3339UTCString
* Date instance method to format the date as ISO8601 / RFC 3339 string (in UTC format).
* Usage: var d = new Date().toRFC3339UTCString();
* => "2010-07-25T11:51:31.427Z"
* Parameters:
* supressFormating : if supplied and 'true', will force to remove date/time separators
* supressMillis : if supplied and 'true', will force not to include milliseconds
*/
Date.prototype.toRFC3339UTCString = function(supressFormating , supressMillis){
var dSep = ( supressFormating ? '' : '-' );
var tSep = ( supressFormating ? '' : ':' );
var result = this.getUTCFullYear().toString();
result += dSep + (this.getUTCMonth() + 1).toPaddedString(2);
result += dSep + this.getUTCDate().toPaddedString(2);
result += 'T' + this.getUTCHours().toPaddedString(2);
result += tSep + this.getUTCMinutes().toPaddedString(2);
result += tSep + this.getUTCSeconds().toPaddedString(2);
if((!supressMillis)&&(this.getUTCMilliseconds()>0)) result += '.' + this.getUTCMilliseconds().toPaddedString(3);
return result + 'Z';
}
/*
* Date.prototype.toRFC3339LocaleString
* Date instance method to format the date as ISO8601 / RFC 3339 string (in local timezone format).
* Usage: var d = new Date().toRFC3339LocaleString();
* => "2010-07-25T19:51:31.427+08:00"
* Parameters:
* supressFormating : if supplied and 'true', will force to remove date/time separators
* supressMillis : if supplied and 'true', will force not to include milliseconds
*/
Date.prototype.toRFC3339LocaleString = function(supressFormating , supressMillis){
var dSep = ( supressFormating ? '' : '-' );
var tSep = ( supressFormating ? '' : ':' );
var result = this.getFullYear().toString();
result += dSep + (this.getMonth() + 1).toPaddedString(2);
result += dSep + this.getDate().toPaddedString(2);
result += 'T' + this.getHours().toPaddedString(2);
result += tSep + this.getMinutes().toPaddedString(2);
result += tSep + this.getSeconds().toPaddedString(2);
if((!supressMillis)&&(this.getMilliseconds()>0)) result += '.' + this.getMilliseconds().toPaddedString(3);
var tzOffset = -this.getTimezoneOffset();
result += ( tzOffset<0 ? '-' : '+' )
result += (tzOffset/60).toPaddedString(2);
result += tSep + (tzOffset%60).toPaddedString(2);
return result;
}
/*
* Date.parseRFC3339
* extend Date with a method parsing ISO8601 / RFC 3339 date strings.
* Usage: var d = Date.parseRFC3339( "2010-07-20T15:00:00Z" );
*/
Date.parseRFC3339 = function(dString){
if (typeof dString != 'string') return;
var result;
var regexp = /(\d\d\d\d)(-)?(\d\d)(-)?(\d\d)(T)?(\d\d)(:)?(\d\d)?(:)?(\d\d)?([\.,]\d+)?($|Z|([+-])(\d\d)(:)?(\d\d)?)/i;
var d = dString.match(new RegExp(regexp));
if (d) {
var year = parseInt(d[1],10);
var mon = parseInt(d[3],10) - 1;
var day = parseInt(d[5],10);
var hour = parseInt(d[7],10);
var mins = ( d[9] ? parseInt(d[9],10) : 0 );
var secs = ( d[11] ? parseInt(d[11],10) : 0 );
var millis = ( d[12] ? parseFloat(String(1.5).charAt(1) + d[12].slice(1)) * 1000 : 0 );
if (d[13]) {
result = new Date();
result.setUTCFullYear(year);
result.setUTCMonth(mon);
result.setUTCDate(day);
result.setUTCHours(hour);
result.setUTCMinutes(mins);
result.setUTCSeconds(secs);
result.setUTCMilliseconds(millis);
if (d[13] && d[14]) {
var offset = (d[15] * 60)
if (d[17]) offset += parseInt(d[17],10);
offset *= ((d[14] == '-') ? -1 : 1);
result.setTime(result.getTime() - offset * 60 * 1000);
}
} else {
result = new Date(year,mon,day,hour,mins,secs,millis);
}
}
return result;
};
/*
* Date.parse
* extend Date with a parse method alias for parseRFC3339.
* If parse is already defined, chain methods to include parseRFC3339
* Usage: var d = Date.parse( "2010-07-20T15:00:00Z" );
*/
if (typeof Date.parse != 'function') {
Date.parse = Date.parseRFC3339;
} else {
var oldparse = Date.parse;
Date.parse = function(d) {
var result = Date.parseRFC3339(d);
if (!result && oldparse) {
result = oldparse(d);
}
return result;
}
}
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