/usr/share/emacs/site-lisp/mhc/mhc-draft.el is in mhc 1.1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 | ;;; mhc-draft.el --- Draft modules for MHC.
;; Author: Yoshinari Nomura <nom@quickhack.net>,
;; Yuuichi Teranishi <teranisi@quickhack.net>
;; Created: 2000/07/25
;; Revised: $Date: 2008/07/04 06:01:20 $
;;; Commentary:
;; This file is a part of MHC, includes functions for draft.
;;; Code:
(require 'mhc-summary)
;; Global Variable:
(defconst mhc-draft-buffer-name "*mhc draft*")
(defcustom mhc-draft-unuse-hdr-list
'(">From " "From " "Delivered-To:" "Delivery-date:" "Envelope-to:"
"Errors-To:" "Gnus-Warning:" "Lines:" "Posted:" "Precedence:" "Received:"
"Replied:" "Return-Path:" "Sender:" "User-Agent:" "X-Bogosity:"
"X-Dispatcher:" "X-Filter:" "X-Gnus-Mail-Source:" "X-Mailer:" "X-Received:"
"X-Sender:" "X-Seqno:" "X-Spam-Flag:" "X-Spam-Probability:" "X-UIDL:"
"Xref:")
"*These headers are removed when article is imported."
:group 'mhc
:type '(repeat string))
(defcustom mhc-draft-mode-hook nil
"*Hook run in mhc draft mode buffers."
:group 'mhc
:type 'hook)
;; Avoid warning of byte-compiler.
(defvar mhc-draft-buffer-file-name nil)
(defvar mhc-draft-mode-map)
(defun mhc-draft-setup-new ()
"Setup new draft (Insert header separator, etc)."
(let ((sep-regexp (format "\n\\(%s\\)?\n" (regexp-quote mail-header-separator)))
(sep (concat "\n" mail-header-separator "\n")))
(save-excursion
(goto-char (point-min))
(if (re-search-forward sep-regexp nil t)
(replace-match sep)
(goto-char (point-max))
(unless (bolp) (insert "\n"))
(insert mail-header-separator "\n")))))
(defun mhc-draft-new (&optional template preset-fields)
"Prepare new mhc-draft buffer.
If TEMPLATE is a string or buffer, it is used for a new draft.
If PRESET-FIELDS is a list of cons-cell like: ((header-name . value) ...),
these fields are set to the draft after import TEMPLATE."
(interactive)
(let ((draft-buffer (generate-new-buffer mhc-draft-buffer-name)))
(with-current-buffer draft-buffer
;; insert template
(cond
((bufferp template)
(insert-buffer-substring-no-properties template))
((stringp template)
(insert template)))
;; insert header separator
(mhc-draft-setup-new)
(mhc-draft-delete-garbage-headers)
(mhc-draft-setup-headers preset-fields)
(mhc-draft-mode)
(switch-to-buffer draft-buffer t)
(goto-char (point-min)))))
(defvar mhc-draft-template)
(defun mhc-draft-store-template (template)
"Store common draft template to TEMPLATE."
(setq mhc-draft-template template))
(defun mhc-draft-template ()
"Get common draft template."
mhc-draft-template)
(defsubst mhc-draft-reedit-buffer (buffer &optional original)
"Restore contents of BUFFER as draft in the current buffer.
If optional argument ORIGINAL is non-nil, BUFFER is raw buffer."
(unless (eq (current-buffer) buffer)
(erase-buffer)
(insert-buffer-substring buffer))
(mhc-header-narrowing
(mhc-header-delete-header
"^\\(Content-.*\\|Mime-Version\\|User-Agent\\):" 'regexp))
(mhc-header-decode-ewords)
(goto-char (point-min))
(when (re-search-forward "^\r?$" nil t)
(insert mail-header-separator)))
(defsubst mhc-draft-reedit-file (filename)
"Restore contents of file FILENAME as draft in the current buffer."
(erase-buffer)
(mhc-insert-file-contents-as-coding-system
mhc-default-coding-system filename)
(mhc-draft-reedit-buffer (current-buffer) 'original))
(defsubst mhc-draft-translate ()
"Convert an article in the current buffer to an ENCODED one.
ENCODED article should be valid for storeing to a mhc file."
(save-excursion
(goto-char (point-min))
(when (search-forward (concat "\n" mail-header-separator "\n") nil t)
(replace-match "\n\n"))))
(define-derived-mode mhc-draft-mode
text-mode
"MHC-Draft"
"Major mode for editing schdule files of MHC.
Like Text Mode but with these additional commands:
C-c C-c mhc-draft-finish
C-c C-k mhc-draft-kill
C-c C-q mhc-draft-kill
C-c ? mhc-draft-insert-calendar
.
"
(define-key mhc-draft-mode-map "\C-c\C-c" 'mhc-draft-finish)
(define-key mhc-draft-mode-map "\C-c\C-q" 'mhc-draft-kill)
(define-key mhc-draft-mode-map "\C-c\C-k" 'mhc-draft-kill)
(define-key mhc-draft-mode-map "\C-c?" 'mhc-draft-insert-calendar)
(make-local-variable 'adaptive-fill-regexp)
(setq adaptive-fill-regexp
(concat "[ \t]*[-a-z0-9A-Z]*\\(>[ \t]*\\)+[ \t]*\\|"
adaptive-fill-regexp))
(unless (boundp 'adaptive-fill-first-line-regexp)
(setq adaptive-fill-first-line-regexp nil))
(make-local-variable 'adaptive-fill-first-line-regexp)
(setq adaptive-fill-first-line-regexp
(concat "[ \t]*[-a-z0-9A-Z]*\\(>[ \t]*\\)+[ \t]*\\|"
adaptive-fill-first-line-regexp))
(mhc-highlight-message t)
(set (make-local-variable 'indent-tabs-mode) nil))
(defun mhc-draft-kill (&optional no-confirm)
"Kill current draft.
If optional argument NO-CONFIRM is non-nil, kill without confirmation."
(interactive "P")
(if (or no-confirm (y-or-n-p "Kill draft buffer? "))
(progn
(message "")
(mhc-calendar-input-exit)
(kill-buffer (current-buffer))
(mhc-window-pop))))
(defvar mhc-draft-finish-hook nil
"Hook run after `mhc-draft-finish'.")
(defun mhc-draft-append-category (category)
"Append CATEGORY if it is not contained yet."
(mhc-header-narrowing
(let ((categories (mhc-header-get-value "x-sc-category")))
(unless (string-match category categories)
(mhc-header-put-value "x-sc-category"
(concat categories " " category))))))
(defun mhc-draft-in-category-p (category)
(mhc-header-narrowing
(string-match (concat "[ \t]*" category)
(mhc-header-get-value "x-sc-category"))))
(defun mhc-draft-delete-category (category)
"Delete CATEGORY if it is contained."
(mhc-header-narrowing
(let ((categories (mhc-header-get-value "x-sc-category")))
(when (string-match (concat "[ \t]*" category) categories)
(setq categories (concat
(substring categories 0 (match-beginning 0))
(substring categories (match-end 0))))
(when (string-match "[ \t]+$" categories)
(setq categories (substring categories 0 (match-beginning 0))))
(mhc-header-put-value "X-SC-Category" categories)))))
(defun mhc-draft-increment-sequence ()
"Increment X-SC-Sequence in mhc-draft buffer."
(mhc-header-narrowing
(let ((sequence (or (mhc-header-get-value "x-sc-sequence") "0")))
(mhc-header-put-value "x-sc-sequence"
(1+ (string-to-number sequence))))))
(defun mhc-draft-remove-tailers ()
(save-excursion
(goto-char (point-max))
(if (re-search-backward
(regexp-quote mhc-message-end-of-messge-marker)
(- (point) (length mhc-message-end-of-messge-marker)) t)
(replace-match ""))
(unless (bolp) (insert "\n"))))
(defun mhc-draft-delete-garbage-headers ()
(mhc-header-narrowing
(mhc-header-delete-header
(concat "^\\(" (mhc-regexp-opt mhc-draft-unuse-hdr-list) "\\)")
'regexp)))
(defun mhc-draft-setup-headers (&optional headers-values)
"Put X-SC-* headers to draft.
HEADERS-VALUES is a list of cons-cell like: ((header-name . value) ...)."
(let ((xsc-headers (mapcar (lambda (v) (downcase (substring v 0 -1)))
(mhc-header-list)))
(item))
(mhc-header-narrowing
(mapc
(lambda (xsc)
(if (setq item (assoc xsc headers-values))
(mhc-header-put-value xsc (or (cdr item) ""))
(unless (mhc-header-get-value xsc)
(mhc-header-put-value xsc ""))))
xsc-headers))))
(defun mhc-draft-finish ()
"Add current draft as a schedule."
(interactive)
(let ((record
(mhc-parse-buffer (mhc-record-new mhc-draft-buffer-file-name)
'strict)))
(mhc-calendar-input-exit)
(if (mhc-db-add-record-from-buffer record (current-buffer)
(not (called-interactively-p 'interactive)))
(progn
(kill-buffer (current-buffer))
(mhc-window-pop)
(or (and (mhc-summary-buffer-p)
(mhc-rescan-month mhc-default-hide-private-schedules))
(and (mhc-calendar-p) (mhc-calendar-rescan)))
(run-hooks 'mhc-draft-finish-hook)))))
(provide 'mhc-draft)
;;; Copyright Notice:
;; Copyright (C) 1999, 2000 Yoshinari Nomura. All rights reserved.
;; Copyright (C) 2000 MHC developing team. All rights reserved.
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions
;; are met:
;;
;; 1. Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;; 2. Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; 3. Neither the name of the team nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE TEAM AND CONTRIBUTORS ``AS IS''
;; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
;; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
;; FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
;; THE TEAM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
;; INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
;; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
;; HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
;; STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
;; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
;; OF THE POSSIBILITY OF SUCH DAMAGE.
;;; mhc-draft.el ends here
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