/* strftime for JavaScript
Field description (taken from http://tinyurl.com/65s2qw)
%a Locale’s abbreviated weekday name.
%A Locale’s full weekday name.
%b Locale’s abbreviated month name.
%B Locale’s full month name.
%c Locale’s appropriate date and time representation.
%d Day of the month as a decimal number [01,31].
%H Hour (24-hour clock) as a decimal number [00,23].
%I Hour (12-hour clock) as a decimal number [01,12].
%j Day of the year as a decimal number [001,366].
%m Month as a decimal number [01,12].
%M Minute as a decimal number [00,59].
%p Locale’s equivalent of either AM or PM.
%S Second as a decimal number [00,61].
%U Week number of the year (Sunday as the first day of the week) as a
decimal number [00,53]. All days in a new year preceding the first
Sunday are considered to be in week 0.
%w Weekday as a decimal number [0(Sunday),6].
%W Week number of the year (Monday as the first day of the week) as a
decimal number [00,53]. All days in a new year preceding the first
Monday are considered to be in week 0.
%x Locale’s appropriate date representation.
%X Locale’s appropriate time representation.
%y Year without century as a decimal number [00,99].
%Y Year with century as a decimal number.
%Z Time zone name (no characters if no time zone exists).
%% A literal '%' character.
*/
var days = [
'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday',
'Saturday'
];
var months = [
'January', 'February', 'March', 'April', 'May', 'June', 'July',
'August', 'September', 'October', 'November', 'December'
];
function shortname(name) {
return name.substr(0, 3);
}
function zeropad(n, size) {
n = '' + n; /* Make sure it's a string */
size = size || 2;
while (n.length < size) {
n = '0' + n;
}
return n;
}
function twelve(n) {
return (n <= 12) ? n : 24 - n;
}
function strftime(format, date) {
date = date || new Date();
var fields = {
a: shortname(days[date.getDay()]),
A: days[date.getDay()],
b: shortname(months[date.getMonth()]),
B: months[date.getMonth()],
c: date.toString(),
d: zeropad(date.getDate()),
H: zeropad(date.getHours()),
I: zeropad(twelve(date.getHours())),
/* FIXME: j: */
m: zeropad(date.getMonth() + 1),
M: zeropad(date.getMinutes()),
p: (date.getHours() >= 12) ? 'PM' : 'AM',
S: zeropad(date.getSeconds()),
w: zeropad(date.getDay() + 1),
/* FIXME: W: */
x: date.toLocaleDateString(),
X: date.toLocaleTimeString(),
y: ('' + date.getFullYear()).substr(2, 4),
Y: '' + date.getFullYear(),
/* FIXME: Z: */
'%' : '%'
};
var result = '', i = 0;
while (i < format.length) {
if (format[i] === '%') {
result = result + fields[format[i + 1]];
++i;
}
else {
result = result + format[i];
}
++i;
}
return result;
}
