gitweb: Fix parsing of negative fractional timezones in JavaScript

Extract converting numerical timezone in the form of '(+|-)HHMM' to
timezoneOffset function, and fix parsing of negative fractional
timezones.

This is used to format timestamps in 'blame_incremental' view; this
complements commit 2b1e172 (gitweb: Fix handling of fractional
timezones in parse_date, 2011-03-25).

Now

  gitweb.cgi/git.git/blame_incremental/3fe5489:/contrib/gitview/gitview#l853

and

  gitweb.cgi/git.git/blame/3fe5489:/contrib/gitview/gitview#l853

show the same correct time in author's local timezone in title
(on mouseover) [Aneesh Kumar K.V, 2006-02-24 00:59:42 +0530].

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jakub Narebski 2011-04-01 21:06:28 +02:00 committed by Junio C Hamano
parent 8e848868ff
commit 9029ebbe11

View File

@ -399,7 +399,24 @@ function fixColorsAndGroups() {
* used to extract hours and minutes from timezone info, e.g '-0900'
* @constant
*/
var tzRe = /^([+-][0-9][0-9])([0-9][0-9])$/;
var tzRe = /^([+-])([0-9][0-9])([0-9][0-9])$/;
/**
* convert numeric timezone +/-ZZZZ to offset from UTC in seconds
*
* @param {String} timezoneInfo: numeric timezone '(+|-)HHMM'
* @returns {Number} offset from UTC in seconds for timezone
*
* @globals tzRe
*/
function timezoneOffset(timezoneInfo) {
var match = tzRe.exec(timezoneInfo);
var tz_sign = (match[1] === '-' ? -1 : +1);
var tz_hour = parseInt(match[2],10);
var tz_min = parseInt(match[3],10);
return tz_sign*(((tz_hour*60) + tz_min)*60);
}
/**
* return date in local time formatted in iso-8601 like format
@ -408,14 +425,11 @@ var tzRe = /^([+-][0-9][0-9])([0-9][0-9])$/;
* @param {Number} epoch: seconds since '00:00:00 1970-01-01 UTC'
* @param {String} timezoneInfo: numeric timezone '(+|-)HHMM'
* @returns {String} date in local time in iso-8601 like format
*
* @globals tzRe
*/
function formatDateISOLocal(epoch, timezoneInfo) {
var match = tzRe.exec(timezoneInfo);
// date corrected by timezone
var localDate = new Date(1000 * (epoch +
(parseInt(match[1],10)*3600 + parseInt(match[2],10)*60)));
timezoneOffset(timezoneInfo)));
var localDateStr = // e.g. '2005-08-07'
localDate.getUTCFullYear() + '-' +
padLeft(localDate.getUTCMonth()+1, 2, '0') + '-' +