;;; timezone.el --- time zone package for GNU Emacs
-;; Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+;; Copyright (C) 1990, 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
;; Author: Masanobu Umeda
;; Maintainer: umerin@mse.kyutech.ac.jp
(4) 6 May 1992 1641-JST (Wednesday)
(5) 22-AUG-1993 10:59:12.82
(6) Thu, 11 Apr 16:17:12 91 [MET]
- (7) Mon, 6 Jul 16:47:20 T 1992 [MET]"
- ;; Get rid of any text properties.
+ (7) Mon, 6 Jul 16:47:20 T 1992 [MET]
+ (8) 1996-06-24 21:13:12 [GMT]
+ (9) 1996-06-24 21:13-ZONE"
+ ;; Get rid of any text properties.
(and (stringp date)
(or (text-properties-at 0 date)
(next-property-change 0 date))
(time nil)
(zone nil)) ;This may be nil.
(cond ((string-match
+ "\\([0-9]+\\)[ \t]+\\([^ \t,]+\\)[ \t]+\\([0-9]+\\)[ \t]+\\([0-9]+:[0-9:]+\\)[ \t]*\\([-+a-zA-Z0-9]+\\)" date)
+ ;; Styles: (1) and (2) with timezone and buggy timezone
+ ;; This is most common in mail and news,
+ ;; so it is worth trying first.
+ (setq year 3 month 2 day 1 time 4 zone 5))
+ ((string-match
+ "\\([0-9]+\\)[ \t]+\\([^ \t,]+\\)[ \t]+\\([0-9]+\\)[ \t]+\\([0-9]+:[0-9:]+\\)[ \t]*\\'" date)
+ ;; Styles: (1) and (2) without timezone
+ (setq year 3 month 2 day 1 time 4 zone nil))
+ ((string-match
"\\([^ \t,]+\\),[ \t]+\\([0-9]+\\)[ \t]+\\([^ \t,]+\\)[ \t]+\\([0-9]+:[0-9:]+\\)[ \t]+\\(T[ \t]+\\|\\)\\([0-9]+\\)[ \t]*\\'" date)
;; Styles: (6) and (7) without timezone
(setq year 6 month 3 day 2 time 4 zone nil))
"\\([^ \t,]+\\),[ \t]+\\([0-9]+\\)[ \t]+\\([^ \t,]+\\)[ \t]+\\([0-9]+:[0-9:]+\\)[ \t]+\\(T[ \t]+\\|\\)\\([0-9]+\\)[ \t]*\\([-+a-zA-Z0-9]+\\)" date)
;; Styles: (6) and (7) with timezone and buggy timezone
(setq year 6 month 3 day 2 time 4 zone 7))
- ((string-match
- "\\([0-9]+\\)[ \t]+\\([^ \t,]+\\)[ \t]+\\([0-9]+\\)[ \t]+\\([0-9]+:[0-9:]+\\)[ \t]*\\'" date)
- ;; Styles: (1) and (2) without timezone
- (setq year 3 month 2 day 1 time 4 zone nil))
- ((string-match
- "\\([0-9]+\\)[ \t]+\\([^ \t,]+\\)[ \t]+\\([0-9]+\\)[ \t]+\\([0-9]+:[0-9:]+\\)[ \t]*\\([-+a-zA-Z0-9]+\\)" date)
- ;; Styles: (1) and (2) with timezone and buggy timezone
- (setq year 3 month 2 day 1 time 4 zone 5))
((string-match
"\\([^ \t,]+\\)[ \t]+\\([0-9]+\\)[ \t]+\\([0-9]+:[0-9:]+\\)[ \t]+\\([0-9]+\\)" date)
;; Styles: (3) without timezone
"\\([0-9]+\\)-\\([A-Za-z]+\\)-\\([0-9]+\\)[ \t]+\\([0-9]+:[0-9]+:[0-9]+\\)\\.[0-9]+" date)
;; Styles: (5) without timezone.
(setq year 3 month 2 day 1 time 4 zone nil))
+ ((string-match
+ "\\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\)[ \t]+\\([0-9]+:[0-9]+:[0-9]+\\)[ \t]*\\([-+a-zA-Z0-9]+\\)" date)
+ ;; Styles: (8) with timezone.
+ (setq year 1 month 2 day 3 time 4 zone 5))
+ ((string-match
+ "\\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\)[ \t]+\\([0-9]+:[0-9]+\\)[ \t]*\\([-+a-zA-Z0-9:]+\\)" date)
+ ;; Styles: (8) with timezone with a colon in it.
+ (setq year 1 month 2 day 3 time 4 zone 5))
+ ((string-match
+ "\\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\)[ \t]+\\([0-9]+:[0-9]+:[0-9]+\\)" date)
+ ;; Styles: (8) without timezone.
+ (setq year 1 month 2 day 3 time 4 zone nil))
)
(if year
(progn
(setq year
(substring date (match-beginning year) (match-end year)))
;; It is now Dec 1992. 8 years before the end of the World.
- (if (< (length year) 4)
- (setq year (concat "19" (substring year -2 nil))))
- (let ((string (substring date
- (match-beginning month)
- (+ (match-beginning month) 3))))
- (setq month
- (int-to-string
- (cdr (assoc (upcase string) timezone-months-assoc)))))
-
+ (if (= (length year) 1)
+ (setq year (concat "190" (substring year -1 nil)))
+ (if (< (length year) 4)
+ (setq year (concat "19" (substring year -2 nil)))))
+ (setq month
+ (if (= (aref date (+ (match-beginning month) 2)) ?-)
+ ;; Handle numeric months, spanning exactly two digits.
+ (substring date
+ (match-beginning month)
+ (+ (match-beginning month) 2))
+ (let* ((string (substring date
+ (match-beginning month)
+ (+ (match-beginning month) 3)))
+ (monthnum
+ (cdr (assoc (upcase string) timezone-months-assoc))))
+ (if monthnum
+ (int-to-string monthnum)
+ nil))))
(setq day
(substring date (match-beginning day) (match-end day)))
(setq time
(setq zone
(substring date (match-beginning zone) (match-end zone))))
;; Return a vector.
- (if year
+ (if (and year month)
(vector year month day time zone)
(vector "0" "0" "0" "0" nil))
))
or nil if the date cannot be thus represented.
DATE is the number of days elapsed since the (imaginary)
Gregorian date Sunday, December 31, 1 BC."
- (let* ((current-time-origin 719162)
+ (let* ((current-time-origin 719163)
;; (timezone-absolute-from-gregorian 1 1 1970)
(days (- date current-time-origin))
(seconds-per-day (float 86400))