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/* Authors:
* Petr Vobornik <pvoborni@redhat.com>
*
* Copyright (C) 2014 Red Hat
* see file 'COPYING' for use and warranty information
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
define([
'dojo/string'
], function(string) {
var templates = {
human: '${YYYY}-${MM}-${DD} ${HH}:${mm}:${ss}Z',
generalized: '${YYYY}${MM}${DD}${HH}${mm}${ss}Z'
};
var dates = [
['YYYY-MM-DD', /^(\d{4})-(\d{2})-(\d{2})$/],
['YYYYMMDD',/^(\d{4})(\d{2})(\d{2})$/]
];
var times = [
['HH:mm:ss', /^(\d\d):(\d\d):(\d\d)$/],
['HH:mm', /^(\d\d):(\d\d)$/]
];
var generalized_regex = /^(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})Z$/;
var datetime_regex = /^((?:\d{8})|(?:\d{4}-\d{2}-\d{2}))(?:(T| )(\d\d:\d\d(?::\d\d)?)(Z?))?$/;
function parse(value) {
var Y=0, M=0, D=0, H=0, m=0, s=0;
var i, l, dateStr, timeStr, utc;
var dt_match = datetime_regex.exec(value);
var gt_match = generalized_regex.exec(value);
if (dt_match) {
dateStr = dt_match[1];
timeStr = dt_match[3];
utc = dt_match[4] || !timeStr;
// error out if local time not supported
if (!this.allow_local && !utc) return null;
for (i = 0, l = dates.length; i < l; i++) {
var dm = dates[i][1].exec(dateStr);
if (dm) {
Y = dm[1];
M = dm[2];
D = dm[3];
break;
}
}
if (timeStr) {
for (i = 0, l = times.length; i < l; i++) {
var tm = times[i][1].exec(timeStr);
if (tm) {
H = tm[1];
m = tm[2] || 0;
s = tm[3] || 0;
break;
}
}
}
} else if (gt_match) {
Y = gt_match[1];
M = gt_match[2];
D = gt_match[3];
H = gt_match[4];
m = gt_match[5];
s = gt_match[6];
utc = true;
} else {
return null;
}
var date = new Date();
if (utc || !timeStr) {
date.setUTCFullYear(Y, M-1, D);
date.setUTCHours(H, m, s, 0);
} else {
date.setFullYear(Y, M-1, D);
date.setHours(H, m, s, 0);
}
return date;
}
function formatDate(date, format, local) {
var fmt = format || templates.human;
var str;
function pad(value) {
return string.pad(value, 2, '0');
}
if (local) {
str = string.substitute(fmt, {
YYYY: date.getFullYear(),
MM: pad(date.getMonth()+1),
DD: pad(date.getDate()),
HH: pad(date.getHours()),
mm: pad(date.getMinutes()),
ss: pad(date.getSeconds())
});
} else {
str = string.substitute(fmt, {
YYYY: date.getUTCFullYear(),
MM: pad(date.getUTCMonth()+1),
DD: pad(date.getUTCDate()),
HH: pad(date.getUTCHours()),
mm: pad(date.getUTCMinutes()),
ss: pad(date.getUTCSeconds())
});
}
return str;
}
/**
* Utility module to parse strings in ISO 8601-ish format into Date object
* and vice versa
*
* @class datetime
* @singleton
*/
var datetime = {
/**
* Parse string, return date or null on error.
*
* Supported date formats:
*
* - `YYYY-MM-DD`
* - `YYYYMMDD`
*
* Supported time formats:
*
* - `HH:mm:ss`
* - `HH:mm`
*
* Supported formats:
*
* - `$dateT$timeZ`
* - `$date $timeZ`
* - `$date`
* - `YYYYMMDDHHmmssZ`
*
* Where Z indicates UTC date. Parsing of local dates is by default
* disabled. It can be enabled by setting `datetime.allow_local` to
* `true`.
*
* @param {string} value
* @returns {Date|null} parsed date
*/
parse: parse,
/**
* Convert date to string
*
* - `${YYYY}` - year
* - `${MM}` - month
* - `${DD}` - day
* - `${HH}` - hours
* - `${mm}` - minutes
* - `${ss}` - seconds
*
* Default format string: `${YYYY}-${MM}-${DD} ${HH}:${mm}:${ss}`
*
* @param {Date} date
* @param {string} [format] format string
* @param {boolean} [local] use local time
*/
format: formatDate,
/**
* Local time input method support
* @property {boolean}
*/
allow_local: false,
/**
* Convert date value to generalized time string
* @param {Date} date
* @returns {string}
*/
to_generalized_time: function(date) {
return this.format(date, templates.generalized);
},
/**
* Dictionary of common format strings
*
* - `human` - default format string of `format` method
* - `generalized` - generalized time (LDAP) format
*
* @property {Object}
*/
templates: templates
};
return datetime;
});
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