Moved time-date.el from lisp/gnus to lisp/calendar.

For versions before 1.5, see lisp/gnus/time-date.el.

1 files changed, 0 insertions, 189 deletions

diff --git a/lisp/gnus/time-date.el b/lisp/gnus/time-date.el
deleted file mode 100644
index c3a738a9932..00000000000
--- a/lisp/gnus/time-date.el
+++ /dev/null
@@ -1,189 +0,0 @@
-;;; time-date.el --- date and time handling functions
-;; Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
-
-;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;;      Masanobu Umeda <umerin@mse.kyutech.ac.jp>
-;; Keywords: mail news util
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs 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 2, or (at your option)
-;; any later version.
-
-;; GNU Emacs 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 GNU Emacs; see the file COPYING.  If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
-
-;;; Commentary:
-
-;;; Code:
-
-(require 'parse-time)
-
-(autoload 'timezone-make-date-arpa-standard "timezone")
-
-;;;###autoload
-(defun date-to-time (date)
-  "Parse a string that represents a date-time and return a time value."
-  (condition-case ()
-      (apply 'encode-time
-             (parse-time-string
-              ;; `parse-time-string' isn't sufficiently general or
-              ;; robust.  It fails to grok some of the formats that
-              ;; timzeone does (e.g. dodgy post-2000 stuff from some
-              ;; Elms) and either fails or returns bogus values.  Lars
-              ;; reverted this change, but that loses non-trivially
-              ;; often for me.  -- fx
-              (timezone-make-date-arpa-standard date)))
-    (error (error "Invalid date: %s" date))))
-
-(defun time-to-seconds (time)
-  "Convert time value TIME to a floating point number.
-You can use `float-time' instead."
-  (+ (* (car time) 65536.0)
-     (cadr time)
-     (/ (or (nth 2 time) 0) 1000000.0)))
-
-;;;###autoload
-(defun seconds-to-time (seconds)
-  "Convert SECONDS (a floating point number) to a time value."
-  (list (floor seconds 65536)
-        (floor (mod seconds 65536))
-        (floor (* (- seconds (ffloor seconds)) 1000000))))
-
-;;;###autoload
-(defun time-less-p (t1 t2)
-  "Say whether time value T1 is less than time value T2."
-  (or (< (car t1) (car t2))
-      (and (= (car t1) (car t2))
-           (< (nth 1 t1) (nth 1 t2)))))
-
-;;;###autoload
-(defun days-to-time (days)
-  "Convert DAYS into a time value."
-  (let* ((seconds (* 1.0 days 60 60 24))
-         (rest (expt 2 16))
-         (ms (condition-case nil (floor (/ seconds rest))
-               (range-error (expt 2 16)))))
-    (list ms (condition-case nil (round (- seconds (* ms rest)))
-               (range-error (expt 2 16))))))
-
-;;;###autoload
-(defun time-since (time)
-  "Return the time elapsed since TIME.
-TIME should be either a time value or a date-time string."
-  (when (stringp time)
-    ;; Convert date strings to internal time.
-    (setq time (date-to-time time)))
-  (let* ((current (current-time))
-         (rest (when (< (nth 1 current) (nth 1 time))
-                 (expt 2 16))))
-    (list (- (+ (car current) (if rest -1 0)) (car time))
-          (- (+ (or rest 0) (nth 1 current)) (nth 1 time)))))
-
-;;;###autoload
-(defalias 'subtract-time 'time-subtract)
-
-;;;###autoload
-(defun time-subtract (t1 t2)
-  "Subtract two time values.
-Return the difference in the format of a time value."
-  (let ((borrow (< (cadr t1) (cadr t2))))
-    (list (- (car t1) (car t2) (if borrow 1 0))
-          (- (+ (if borrow 65536 0) (cadr t1)) (cadr t2)))))
-
-;;;###autoload
-(defun time-add (t1 t2)
-  "Add two time values.  One should represent a time difference."
-  (let ((high (car t1))
-        (low (if (consp (cdr t1)) (nth 1 t1) (cdr t1)))
-        (micro (if (numberp (car-safe (cdr-safe (cdr t1))))
-                   (nth 2 t1)
-                 0))
-        (high2 (car t2))
-        (low2 (if (consp (cdr t2)) (nth 1 t2) (cdr t2)))
-        (micro2 (if (numberp (car-safe (cdr-safe (cdr t2))))
-                    (nth 2 t2)
-                  0)))
-    ;; Add
-    (setq micro (+ micro micro2))
-    (setq low (+ low low2))
-    (setq high (+ high high2))
-
-    ;; Normalize
-    ;; `/' rounds towards zero while `mod' returns a positive number,
-    ;; so we can't rely on (= a (+ (* 100 (/ a 100)) (mod a 100))).
-    (setq low (+ low (/ micro 1000000) (if (< micro 0) -1 0)))
-    (setq micro (mod micro 1000000))
-    (setq high (+ high (/ low 65536) (if (< low 0) -1 0)))
-    (setq low (logand low 65535))
-
-    (list high low micro)))
-
-;;;###autoload
-(defun date-to-day (date)
-  "Return the number of days between year 1 and DATE.
-DATE should be a date-time string."
-  (time-to-days (date-to-time date)))
-
-;;;###autoload
-(defun days-between (date1 date2)
-  "Return the number of days between DATE1 and DATE2.
-DATE1 and DATE2 should be date-time strings."
-  (- (date-to-day date1) (date-to-day date2)))
-
-;;;###autoload
-(defun date-leap-year-p (year)
-  "Return t if YEAR is a leap year."
-  (or (and (zerop (% year 4))
-           (not (zerop (% year 100))))
-      (zerop (% year 400))))
-
-;;;###autoload
-(defun time-to-day-in-year (time)
-  "Return the day number within the year of the date month/day/year."
-  (let* ((tim (decode-time time))
-         (month (nth 4 tim))
-         (day (nth 3 tim))
-         (year (nth 5 tim))
-         (day-of-year (+ day (* 31 (1- month)))))
-    (when (> month 2)
-      (setq day-of-year (- day-of-year (/ (+ 23 (* 4 month)) 10)))
-      (when (date-leap-year-p year)
-        (setq day-of-year (1+ day-of-year))))
-    day-of-year))
-
-;;;###autoload
-(defun time-to-days (time)
-  "The number of days between the Gregorian date 0001-12-31bce and TIME.
-TIME should be a time value.
-The Gregorian date Sunday, December 31, 1bce is imaginary."
-  (let* ((tim (decode-time time))
-         (month (nth 4 tim))
-         (day (nth 3 tim))
-         (year (nth 5 tim)))
-    (+ (time-to-day-in-year time)       ;       Days this year
-       (* 365 (1- year))                ;       + Days in prior years
-       (/ (1- year) 4)                  ;       + Julian leap years
-       (- (/ (1- year) 100))            ;       - century years
-       (/ (1- year) 400))))             ;       + Gregorian leap years
-
-;;;###autoload
-(defun safe-date-to-time (date)
-  "Parse a string that represents a date-time and return a time value.
-If DATE is malformed, return a time value of zeros."
-  (condition-case ()
-      (date-to-time date)
-    (error '(0 0))))
-
-(provide 'time-date)
-
-;;; time-date.el ends here