code.delx.au - gnu-emacs-elpa/blob - packages/notes-mode/notes-aux.el

   1 ;;; notes-aux.el --- Auxiliary functions for notes-mode and friends
   2
   3 ;; Copyright (C) 1994,1995,1998,2012  Free Software Foundation, Inc.
   4
   5 ;; Author: <johnh@isi.edu>.
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software: you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation, either version 3 of the License, or
  12 ;; (at your option) any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 ;;; Commentary:
  23
  24 ;;; Code:
  25
  26 ;;;###autoload
  27 ;;(defun notes-format-date (&optional calendar-date)
  28 ;;  "Format the calendar-date-style DATE up to be a notes-format date.
  29 ;;If no DATE is specified, use today's date."
  30 ;;  (require 'calendar)
  31 ;;  (let* ((date (if calendar-date
  32 ;;                 calendar-date
  33 ;;               (calendar-current-date)))
  34 ;;       (month (car date))
  35 ;;       (day (nth 1 date))
  36 ;;       (year (nth 2 date)))
  37 ;;    (format "%02d%02d%02d" (- year 1900) month day)))
  38 (defun notes-format-date (&optional time)
  39   "Format the TIME up to be a notes-format date.
  40 If no TIME is specified, use today's date."
  41   (require 'notes-variables)
  42   (if (null time)
  43       (setq time (current-time)))
  44   (format-time-string notes-file-form time))
  45
  46 (defun notes-file-to-epoch (file)
  47   "Convert a notes FILE to an epoch time."
  48   (string-match notes-file-regexp file)
  49   (let
  50       ((y (string-to-number (match-string 1 file)))
  51        (m (string-to-number (match-string 2 file)))
  52        (d (string-to-number (match-string 3 file))))
  53     (if (< y 1900)
  54         (setq y (+ y 1900)))
  55     (if (< y 1970)
  56         (setq y (+ y 100)))
  57     (encode-time 0 0 12 d m y)))
  58
  59 (defun notes-file-to-url (file &optional tag)
  60   "Convert a notes FILE to a URL with an optional TAG."
  61   (let
  62       ((epoch (notes-file-to-epoch file)))
  63     (concat
  64      notes-url-prefix
  65      (format-time-string notes-int-form epoch)
  66      "/"
  67      (format-time-string notes-file-form epoch)
  68      (if tag "#* " "")
  69      tag)))
  70
  71 (provide 'notes-aux)
  72 ;;; notes-aux.el ends here