Annotation of GNUtools/emacs/lisp/rmail.el, revision 1.1.1.1

1.1       root        1: ;; "RMAIL" mail reader for Emacs.
                      2: ;; Copyright (C) 1985, 1986, 1987, 1988, 1990, 1992 Free Software Foundation, Inc.
                      3: 
                      4: ;; This file is part of GNU Emacs.
                      5: 
                      6: ;; GNU Emacs is free software; you can redistribute it and/or modify
                      7: ;; it under the terms of the GNU General Public License as published by
                      8: ;; the Free Software Foundation; either version 1, or (at your option)
                      9: ;; any later version.
                     10: 
                     11: ;; GNU Emacs is distributed in the hope that it will be useful,
                     12: ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: ;; GNU General Public License for more details.
                     15: 
                     16: ;; You should have received a copy of the GNU General Public License
                     17: ;; along with GNU Emacs; see the file COPYING.  If not, write to
                     18: ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
                     19: 
                     20: 
                     21: ;; Souped up by shane@mit-ajax based on ideas of [email protected]
                     22: ;;   New features include attribute and keyword support, message
                     23: ;;   selection by dispatch table, summary by attributes and keywords,
                     24: ;;   expunging by dispatch table, sticky options for file commands.
                     25: 
                     26: (require 'mail-utils)
                     27: (provide 'rmail)
                     28: 
                     29: ; these variables now declared in loaddefs or paths.el
                     30: ;(defvar rmail-spool-directory "/usr/spool/mail/"
                     31: ;  "This is the name of the directory used by the system mailer for\n\
                     32: ;delivering new mail.  It's name should end with a slash.")
                     33: ;(defvar rmail-dont-reply-to-names
                     34: ;  nil
                     35: ;  "*A regexp specifying names to prune of reply to messages.
                     36: ;nil means dont reply to yourself.")
                     37: ;(defvar rmail-ignored-headers
                     38: ;   "^via:\\|^mail-from:\\|^origin:\\|^status:\\|^received:\\|^message-id:\\|^summary-line:"
                     39: ;   "*Gubbish headers one would rather not see.")
                     40: ;(defvar rmail-file-name
                     41: ;  (expand-file-name "~/RMAIL")
                     42: ;  "")
                     43: ;
                     44: ;(defvar rmail-delete-after-output nil
                     45: ;  "*Non-nil means automatically delete a message that is copied to a file.")
                     46: ;
                     47: ;(defvar rmail-primary-inbox-list 
                     48: ;  '("/usr/spool/mail/$USER" "~/mbox")
                     49: ; "")
                     50: 
                     51: ;; these may be altered by site-init.el to match the format of mmdf files
                     52: ;;  delimitation used on a given host (delim1 and delim2 from the config
                     53: ;;  files)
                     54: 
                     55: (defvar mmdf-delim1 "^\001\001\001\001\n"
                     56:   "Regexp marking the start of an mmdf message")
                     57: (defvar mmdf-delim2 "^\001\001\001\001\n"
                     58:   "Regexp marking the end of an mmdf message")
                     59: 
                     60: (defvar rmail-message-filter nil
                     61:   "If non nil, is a filter function for new headers in RMAIL.
                     62: Called with region narrowed to unformatted header.")
                     63: 
                     64: (defvar rmail-mode-map nil)
                     65: 
                     66: ;; Message counters and markers.  Deleted flags.
                     67: 
                     68: (defvar rmail-current-message nil)
                     69: (defvar rmail-total-messages nil)
                     70: (defvar rmail-message-vector nil)
                     71: (defvar rmail-deleted-vector nil)
                     72: 
                     73: ;; These are used by autoloaded rmail-summary.
                     74: 
                     75: (defvar rmail-summary-buffer nil)
                     76: (defvar rmail-summary-vector nil)
                     77: 
                     78: ;; `Sticky' default variables.
                     79: 
                     80: ;; Last individual label specified to a or k.
                     81: (defvar rmail-last-label nil)
                     82: ;; Last set of labels specified to C-M-n or C-M-p or C-M-l.
                     83: (defvar rmail-last-multi-labels nil)
                     84: (defvar rmail-last-file nil)
                     85: (defvar rmail-last-rmail-file nil)
                     86: 
                     87: ;; Regexp matching the delimiter of messages in UNIX mail format
                     88: ;; (UNIX From lines).  This is often used with ^ added on the front.
                     89: (defvar rmail-unix-mail-delimiter
                     90:   "From \\([^ \n]*\\(\\|\".*\"[^ \n]*\\)\\)  ?\\([^ \n]*\\) \\([^ ]*\\) *\\([0-9]*\\) \\([0-9:]*\\)\\( ?[A-Z]?[A-Z][A-Z]T\\( DST\\)?\\| ?[-+]?[0-9][0-9][0-9][0-9]\\|\\) 19\\([0-9]*\\) *\\(remote from [^\n]*\\)?\n")
                     91: 
                     92: ;;;; *** Rmail Mode ***
                     93: 
                     94: (defun rmail (&optional file-name-arg)
                     95:   "Read and edit incoming mail.
                     96: Moves messages into file named by  rmail-file-name  (a babyl format file)
                     97:  and edits that file in RMAIL Mode.
                     98: Type \\[describe-mode] once editing that file, for a list of RMAIL commands.
                     99: 
                    100: May be called with filename as argument;
                    101: then performs rmail editing on that file,
                    102: but does not copy any new mail into the file."
                    103:   (interactive (if current-prefix-arg
                    104:                   (list (read-file-name "Run rmail on RMAIL file: "
                    105:                                         nil nil t))))
                    106:   (or rmail-last-file
                    107:       (setq rmail-last-file (expand-file-name "~/xmail")))
                    108:   (or rmail-last-rmail-file
                    109:       (setq rmail-last-rmail-file (expand-file-name "~/XMAIL")))
                    110:   (let* ((file-name (expand-file-name (or file-name-arg rmail-file-name)))
                    111:         (existed (get-file-buffer file-name))
                    112:         ;; Don't be confused by apparent local-variables spec
                    113:         ;; in the last message in the RMAIL file.
                    114:         (inhibit-local-variables t))
                    115:     ;; Like find-file, but in the case where a buffer existed
                    116:     ;; and the file was reverted, recompute the message-data.
                    117:     (if (and existed (not (verify-visited-file-modtime existed)))
                    118:        (progn
                    119:          (find-file file-name)
                    120:          (if (and (verify-visited-file-modtime existed)
                    121:                   (eq major-mode 'rmail-mode))
                    122:              (progn (rmail-forget-messages)
                    123:                     (rmail-set-message-counters))))
                    124:       (find-file file-name))
                    125:     (if (eq major-mode 'rmail-edit-mode)
                    126:        (error "exit rmail-edit-mode before getting new mail"))
                    127:     (if (and existed (eq major-mode 'rmail-mode))
                    128:        nil
                    129:       (rmail-mode)
                    130:       ;; Provide default set of inboxes for primary mail file ~/RMAIL.
                    131:       (and (null rmail-inbox-list)
                    132:           (null file-name-arg)
                    133:           (setq rmail-inbox-list
                    134:                 (or rmail-primary-inbox-list
                    135:                     (list "~/mbox"
                    136:                           (concat rmail-spool-directory
                    137:                                   (or (getenv "LOGNAME")
                    138:                                       (getenv "USER")
                    139:                                       (user-login-name)))))))
                    140:       ;; Convert all or part to Babyl file if possible.
                    141:       (rmail-convert-file)
                    142:       (goto-char (point-max))
                    143:       (if (null rmail-inbox-list)
                    144:          (progn
                    145:            (rmail-set-message-counters)
                    146:            (rmail-show-message))))
                    147:     (rmail-get-new-mail)))
                    148: 
                    149: (defun rmail-convert-file ()
                    150:   (let (convert)
                    151:     (widen)
                    152:     (goto-char (point-min))
                    153:     ;; If file doesn't start like a Babyl file,
                    154:     ;; convert it to one, by adding a header and converting each message.
                    155:     (cond ((looking-at "BABYL OPTIONS:"))
                    156:          ((looking-at "Version: 5\n")
                    157:           ;; Losing babyl file made by old version of Rmail.
                    158:           ;; Just fix the babyl file header; don't make a new one,
                    159:           ;; so we don't lose the Labels: file attribute, etc.
                    160:           (let ((buffer-read-only nil))
                    161:             (insert "BABYL OPTIONS:\n")))
                    162:          (t
                    163:           (setq convert t)
                    164:           (rmail-insert-rmail-file-header)))
                    165:     ;; If file was not a Babyl file or if there are
                    166:     ;; Unix format messages added at the end,
                    167:     ;; convert file as necessary.
                    168:     (if (or convert
                    169:            (progn (goto-char (point-max))
                    170:                   (search-backward "\^_")
                    171:                   (forward-char 1)
                    172:                   (looking-at "\n*From ")))
                    173:        (let ((buffer-read-only nil))
                    174:          (message "Converting to Babyl format...")
                    175:          (narrow-to-region (point) (point-max))
                    176:          (rmail-convert-to-babyl-format)
                    177:          (message "Converting to Babyl format...done")))))
                    178: 
                    179: (defun rmail-insert-rmail-file-header ()
                    180:   (let ((buffer-read-only nil))
                    181:     (insert "BABYL OPTIONS:
                    182: Version: 5
                    183: Labels:
                    184: Note:   This is the header of an rmail file.
                    185: Note:   If you are seeing it in rmail,
                    186: Note:    it means the file has no messages in it.\n\^_")))
                    187: 
                    188: (if rmail-mode-map
                    189:     nil
                    190:   (setq rmail-mode-map (make-keymap))
                    191:   (suppress-keymap rmail-mode-map)
                    192:   (define-key rmail-mode-map "." 'rmail-beginning-of-message)
                    193:   (define-key rmail-mode-map " " 'scroll-up)
                    194:   (define-key rmail-mode-map "\177" 'scroll-down)
                    195:   (define-key rmail-mode-map "n" 'rmail-next-undeleted-message)
                    196:   (define-key rmail-mode-map "p" 'rmail-previous-undeleted-message)
                    197:   (define-key rmail-mode-map "\en" 'rmail-next-message)
                    198:   (define-key rmail-mode-map "\ep" 'rmail-previous-message)
                    199:   (define-key rmail-mode-map "\e\C-n" 'rmail-next-labeled-message)
                    200:   (define-key rmail-mode-map "\e\C-p" 'rmail-previous-labeled-message)
                    201:   (define-key rmail-mode-map "a" 'rmail-add-label)
                    202:   (define-key rmail-mode-map "k" 'rmail-kill-label)
                    203:   (define-key rmail-mode-map "d" 'rmail-delete-forward)
                    204:   (define-key rmail-mode-map "u" 'rmail-undelete-previous-message)
                    205:   (define-key rmail-mode-map "e" 'rmail-expunge)
                    206:   (define-key rmail-mode-map "x" 'rmail-expunge)
                    207:   (define-key rmail-mode-map "s" 'rmail-expunge-and-save)
                    208:   (define-key rmail-mode-map "g" 'rmail-get-new-mail)
                    209:   (define-key rmail-mode-map "h" 'rmail-summary)
                    210:   (define-key rmail-mode-map "\e\C-h" 'rmail-summary)
                    211:   (define-key rmail-mode-map "l" 'rmail-summary-by-labels)
                    212:   (define-key rmail-mode-map "\e\C-l" 'rmail-summary-by-labels)
                    213:   (define-key rmail-mode-map "\e\C-r" 'rmail-summary-by-recipients)
                    214:   (define-key rmail-mode-map "t" 'rmail-toggle-header)
                    215:   (define-key rmail-mode-map "m" 'rmail-mail)
                    216:   (define-key rmail-mode-map "r" 'rmail-reply)
                    217:   (define-key rmail-mode-map "c" 'rmail-continue)
                    218:   (define-key rmail-mode-map "f" 'rmail-forward)
                    219:   (define-key rmail-mode-map "\es" 'rmail-search)
                    220:   (define-key rmail-mode-map "j" 'rmail-show-message)
                    221:   (define-key rmail-mode-map "o" 'rmail-output-to-rmail-file)
                    222:   (define-key rmail-mode-map "\C-o" 'rmail-output)
                    223:   (define-key rmail-mode-map "i" 'rmail-input)
                    224:   (define-key rmail-mode-map "q" 'rmail-quit)
                    225:   (define-key rmail-mode-map ">" 'rmail-last-message)
                    226:   (define-key rmail-mode-map "?" 'describe-mode)
                    227:   (define-key rmail-mode-map "w" 'rmail-edit-current-message)
                    228:   (define-key rmail-mode-map "\C-d" 'rmail-delete-backward))
                    229: 
                    230: ;; Rmail mode is suitable only for specially formatted data.
                    231: (put 'rmail-mode 'mode-class 'special)
                    232: 
                    233: (defun rmail-mode ()
                    234:   "Rmail Mode is used by \\[rmail] for editing Rmail files.
                    235: All normal editing commands are turned off.
                    236: Instead, these commands are available:
                    237: 
                    238: .      Move point to front of this message (same as \\[beginning-of-buffer]).
                    239: SPC    Scroll to next screen of this message.
                    240: DEL    Scroll to previous screen of this message.
                    241: n      Move to Next non-deleted message.
                    242: p      Move to Previous non-deleted message.
                    243: M-n    Move to Next message whether deleted or not.
                    244: M-p    Move to Previous message whether deleted or not.
                    245: >      Move to the last message in Rmail file.
                    246: j      Jump to message specified by numeric position in file.
                    247: M-s    Search for string and show message it is found in.
                    248: d      Delete this message, move to next nondeleted.
                    249: C-d    Delete this message, move to previous nondeleted.
                    250: u      Undelete message.  Tries current message, then earlier messages
                    251:        till a deleted message is found.
                    252: e      Expunge deleted messages.
                    253: s      Expunge and save the file.
                    254: q       Quit Rmail: expunge, save, then switch to another buffer.
                    255: C-x C-s Save without expunging.
                    256: g      Move new mail from system spool directory or mbox into this file.
                    257: m      Mail a message (same as \\[mail-other-window]).
                    258: c      Continue composing outgoing message started before.
                    259: r      Reply to this message.  Like m but initializes some fields.
                    260: f      Forward this message to another user.
                    261: o       Output this message to an Rmail file (append it).
                    262: C-o    Output this message to a Unix-format mail file (append it).
                    263: i      Input Rmail file.  Run Rmail on that file.
                    264: a      Add label to message.  It will be displayed in the mode line.
                    265: k      Kill label.  Remove a label from current message.
                    266: C-M-n   Move to Next message with specified label
                    267:           (label defaults to last one specified).
                    268:           Standard labels: filed, unseen, answered, forwarded, deleted.
                    269:           Any other label is present only if you add it with `a'.
                    270: C-M-p   Move to Previous message with specified label
                    271: C-M-h  Show headers buffer, with a one line summary of each message.
                    272: C-M-l  Like h only just messages with particular label(s) are summarized.
                    273: C-M-r   Like h only just messages with particular recipient(s) are summarized.
                    274: t      Toggle header, show Rmail header if unformatted or vice versa.
                    275: w      Edit the current message.  C-c C-c to return to Rmail."
                    276:   (interactive)
                    277:   (kill-all-local-variables)
                    278:   (rmail-mode-1)
                    279:   (rmail-variables)
                    280:   (run-hooks 'rmail-mode-hook))
                    281: 
                    282: (defun rmail-mode-1 ()
                    283:   (setq major-mode 'rmail-mode)
                    284:   (setq mode-name "RMAIL")
                    285:   (setq buffer-read-only t)
                    286:   ;; No need to auto save RMAIL files.
                    287:   (setq buffer-auto-save-file-name nil)
                    288:   (if (boundp 'mode-line-modified)
                    289:       (setq mode-line-modified "--- ")
                    290:     (setq mode-line-format
                    291:          (cons "--- " (cdr (default-value 'mode-line-format)))))
                    292:   (use-local-map rmail-mode-map)
                    293:   (set-syntax-table text-mode-syntax-table)
                    294:   (setq local-abbrev-table text-mode-abbrev-table))
                    295: 
                    296: (defun rmail-variables ()
                    297:   (make-local-variable 'revert-buffer-function)
                    298:   (setq revert-buffer-function 'rmail-revert)
                    299:   (make-local-variable 'rmail-last-label)
                    300:   (make-local-variable 'rmail-deleted-vector)
                    301:   (make-local-variable 'rmail-keywords)
                    302:   (make-local-variable 'rmail-summary-buffer)
                    303:   (make-local-variable 'rmail-summary-vector)
                    304:   (make-local-variable 'rmail-current-message)
                    305:   (make-local-variable 'rmail-total-messages)
                    306:   (make-local-variable 'require-final-newline)
                    307:   (setq require-final-newline nil)
                    308:   (make-local-variable 'version-control)
                    309:   (setq version-control 'never)
                    310:   (make-local-variable 'file-precious-flag)
                    311:   (setq file-precious-flag t)
                    312:   (make-local-variable 'rmail-message-vector)
                    313:   (make-local-variable 'rmail-last-file)
                    314:   (make-local-variable 'rmail-inbox-list)
                    315:   (setq rmail-inbox-list (rmail-parse-file-inboxes))
                    316:   (make-local-variable 'rmail-keywords)
                    317:   ;; this gets generated as needed
                    318:   (setq rmail-keywords nil))
                    319: 
                    320: ;; Handle M-x revert-buffer done in an rmail-mode buffer.
                    321: (defun rmail-revert (arg noconfirm)
                    322:   (let (revert-buffer-function)
                    323:     ;; Call our caller again, but this time it does the default thing.
                    324:     (if (revert-buffer arg noconfirm)
                    325:        ;; If the user said "yes", and we changed something,
                    326:        ;; reparse the messages.
                    327:        (progn
                    328:          (rmail-convert-file)
                    329:          (goto-char (point-max))
                    330:          (rmail-set-message-counters)
                    331:          (rmail-show-message)))))
                    332: 
                    333: ;; Return a list of files from this buffer's Mail: option.
                    334: ;; Does not assume that messages have been parsed.
                    335: ;; Just returns nil if buffer does not look like Babyl format.
                    336: (defun rmail-parse-file-inboxes ()
                    337:   (save-excursion
                    338:     (save-restriction
                    339:       (widen)
                    340:       (goto-char 1)
                    341:       (cond ((looking-at "BABYL OPTIONS:")
                    342:             (search-forward "\^_" nil 'move)
                    343:             (narrow-to-region 1 (point))
                    344:             (goto-char 1)
                    345:             (if (search-forward "\nMail:" nil t)
                    346:                 (progn
                    347:                   (narrow-to-region (point) (progn (end-of-line) (point)))
                    348:                   (goto-char (point-min))
                    349:                   (mail-parse-comma-list))))))))
                    350: 
                    351: (defun rmail-expunge-and-save ()
                    352:   "Expunge and save RMAIL file."
                    353:   (interactive)
                    354:   (rmail-expunge)
                    355:   (save-buffer))
                    356: 
                    357: (defun rmail-quit ()
                    358:   "Quit out of RMAIL."
                    359:   (interactive)
                    360:   (rmail-expunge-and-save)
                    361:   ;; Don't switch to the summary buffer even if it was recently visible.
                    362:   (if rmail-summary-buffer
                    363:       (bury-buffer rmail-summary-buffer))
                    364:   (let ((obuf (current-buffer)))
                    365:     (switch-to-buffer (other-buffer))
                    366:     (bury-buffer obuf)))
                    367: 
                    368: (defun rmail-input (filename)
                    369:   "Run RMAIL on file FILENAME."
                    370:   (interactive "FRun rmail on RMAIL file: ")
                    371:   (rmail filename))
                    372: 
                    373: 
                    374: ;;;; *** Rmail input ***
                    375: 
                    376: ;; RLK feature not added in this version:
                    377: ;; argument specifies inbox file or files in various ways.
                    378: 
                    379: (defun rmail-get-new-mail (&optional file-name)
                    380:   "Move any new mail from this RMAIL file's inbox files.
                    381: The inbox files can be specified with the file's Mail: option.
                    382: The variable rmail-primary-inbox-list specifies the inboxes for
                    383: your primary RMAIL file if it has no Mail: option.
                    384: These are normally your ~/mbox and your /usr/spool/mail/$USER.
                    385: 
                    386: You can also specify the file to get new mail from.  In this
                    387: case, the file of new mail is not changed or deleted.
                    388: Noninteractively, you can pass the inbox file name as an argument.
                    389: Interactively, a prefix argument causes us to read a file name
                    390: and use that file as the inbox."
                    391:   (interactive
                    392:    (list (if current-prefix-arg
                    393:             (read-file-name "Get new mail from file: "))))
                    394:   (or (verify-visited-file-modtime (current-buffer))
                    395:       (progn
                    396:        (find-file (buffer-file-name))
                    397:        (if (verify-visited-file-modtime (current-buffer))
                    398:            (rmail-forget-messages))))
                    399:   (rmail-maybe-set-message-counters)
                    400:   (widen)
                    401:   ;; Get rid of all undo records for this buffer.
                    402:   (or (eq buffer-undo-list t)
                    403:       (setq buffer-undo-list nil))
                    404:   (unwind-protect
                    405:       (let ((opoint (point))
                    406:            (new-messages 0)
                    407:            (delete-files ())
                    408:            ;; If buffer has not changed yet, and has not been saved yet,
                    409:            ;; don't replace the old backup file now.
                    410:            (make-backup-files (and make-backup-files (buffer-modified-p)))
                    411:            (buffer-read-only nil)
                    412:            ;; Don't make undo records for what we do in getting mail.
                    413:            (buffer-undo-list t))
                    414:        (goto-char (point-max))
                    415:        (skip-chars-backward " \t\n")   ; just in case of brain damage
                    416:        (delete-region (point) (point-max))     ; caused by require-final-newline
                    417:        (save-excursion
                    418:          (save-restriction
                    419:            (narrow-to-region (point) (point))
                    420:            ;; Read in the contents of the inbox files,
                    421:            ;; renaming them as necessary,
                    422:            ;; and adding to the list of files to delete eventually.
                    423:            (if file-name
                    424:                (rmail-insert-inbox-text (list file-name) nil)
                    425:              (setq delete-files (rmail-insert-inbox-text rmail-inbox-list t)))
                    426:            ;; Scan the new text and convert each message to babyl format.
                    427:            (goto-char (point-min))
                    428:            (save-excursion
                    429:              (setq new-messages (rmail-convert-to-babyl-format)))
                    430:            (or (zerop new-messages)
                    431:                (let (success)
                    432:                  (widen)
                    433:                  (search-backward "\^_")
                    434:                  (narrow-to-region (point) (point-max))
                    435:                  (goto-char (1+ (point-min)))
                    436:                  (rmail-count-new-messages)
                    437:                  (save-buffer)))
                    438:            ;; Delete the old files, now that babyl file is saved.
                    439:            (while delete-files
                    440:              (condition-case ()
                    441:                  ;; First, try deleting.
                    442:                  (condition-case ()
                    443:                      (delete-file (car delete-files))
                    444:                    (file-error
                    445:                     ;; If we can't delete it, truncate it.
                    446:                     (write-region (point) (point) (car delete-files))))
                    447:                (file-error nil))
                    448:              (setq delete-files (cdr delete-files)))))
                    449:        (if (= new-messages 0)
                    450:            (progn (goto-char opoint)
                    451:                   (if (or file-name rmail-inbox-list)
                    452:                       (message "(No new mail has arrived)")))
                    453:            (message "%d new message%s read"
                    454:                     new-messages (if (= 1 new-messages) "" "s"))))
                    455:     ;; Don't leave the buffer screwed up if we get a disk-full error.
                    456:     (rmail-show-message)))
                    457: 
                    458: (defun rmail-insert-inbox-text (files renamep)
                    459:   (let (file tofile delete-files movemail popmail)
                    460:     (while files
                    461:       (setq file (expand-file-name (substitute-in-file-name (car files)))
                    462:            ;;>> un*x specific <<
                    463:            tofile (concat file "~"))
                    464:       ;; If getting from mail spool directory,
                    465:       ;; use movemail to move rather than renaming.
                    466:       (setq movemail (equal (file-name-directory file) rmail-spool-directory))
                    467:       (setq popmail (string-match "^po:" (file-name-nondirectory file)))
                    468:       (if popmail (setq file (file-name-nondirectory file)
                    469:                        renamep t))
                    470:       (if movemail
                    471:          (progn
                    472:            (setq tofile (expand-file-name
                    473:                           ".newmail"
                    474:                           ;; Use the directory of this rmail file
                    475:                           ;; because it's a nuisance to use the homedir
                    476:                           ;; if that is on a full disk and this rmail
                    477:                           ;; file isn't.
                    478:                           (file-name-directory
                    479:                             (expand-file-name buffer-file-name))))
                    480:            ;; On some systems, /usr/spool/mail/foo is a directory
                    481:            ;; and the actual inbox is /usr/spool/mail/foo/foo.
                    482:            (if (file-directory-p file)
                    483:                (setq file (expand-file-name (or (getenv "LOGNAME")
                    484:                                                 (getenv "USER")
                    485:                                                 (user-login-name))
                    486:                                             file)))))
                    487:       (if popmail
                    488:          (message "Getting mail from post office ...")
                    489:        (if (or (file-exists-p tofile) (file-exists-p file))
                    490:            (message "Getting mail from %s..." file)))
                    491:       ;; Set TOFILE if have not already done so, and
                    492:       ;; rename or copy the file FILE to TOFILE if and as appropriate.
                    493:       (cond ((not renamep)
                    494:             (setq tofile file))
                    495:            ((or (file-exists-p tofile) (and (not popmail)
                    496:                                             (not (file-exists-p file))))
                    497:             nil)
                    498:            ((and (not movemail) (not popmail))
                    499:             (rename-file file tofile nil)
                    500:             ;; Make the real inbox file empty.
                    501:             ;; Leaving it deleted could cause lossage
                    502:             ;; because mailers often won't create the file.
                    503:             (condition-case ()
                    504:                 (write-region (point) (point) file)
                    505:               (file-error nil)))
                    506:            (t
                    507:             (let ((errors nil))
                    508:               (unwind-protect
                    509:                   (save-excursion
                    510:                     (setq errors (generate-new-buffer " *rmail loss*"))
                    511:                     (buffer-flush-undo errors)
                    512:                     (call-process
                    513:                       (expand-file-name "movemail" exec-directory)
                    514:                       nil errors nil file tofile)
                    515:                     (if (not (buffer-modified-p errors))
                    516:                         ;; No output => movemail won
                    517:                         nil
                    518:                       (set-buffer errors)
                    519:                       (subst-char-in-region (point-min) (point-max)
                    520:                                             ?\n ?\  )
                    521:                       (goto-char (point-max))
                    522:                       (skip-chars-backward " \t")
                    523:                       (delete-region (point) (point-max))
                    524:                       (goto-char (point-min))
                    525:                       (if (looking-at "movemail: ")
                    526:                           (delete-region (point-min) (match-end 0)))
                    527:                       (beep t)
                    528:                       (message (concat "movemail: "
                    529:                                        (buffer-substring (point-min)
                    530:                                                          (point-max))))
                    531:                       (sit-for 3)
                    532:                       nil))
                    533:                 (if errors (kill-buffer errors))))))
                    534:       ;; At this point, TOFILE contains the name to read:
                    535:       ;; Either the alternate name (if we renamed)
                    536:       ;; or the actual inbox (if not renaming).
                    537:       (if (file-exists-p tofile)
                    538:          (let ((omax (point-max)))
                    539:            (goto-char (point-max))
                    540:            (insert-file-contents tofile)
                    541:            (goto-char (point-max))
                    542:            (or (= (preceding-char) ?\n)
                    543:                (= opoint (point-max))
                    544:                (insert ?\n))
                    545:            (setq delete-files (cons tofile delete-files))))
                    546:       (message "")
                    547:       (setq files (cdr files)))
                    548:     delete-files))
                    549: 
                    550: ;; the  rmail-break-forwarded-messages  feature is not implemented
                    551: (defun rmail-convert-to-babyl-format ()
                    552:   (let ((count 0) start
                    553:        (case-fold-search nil))
                    554:     (goto-char (point-min))
                    555:     (save-restriction
                    556:       (while (not (eobp))
                    557:        (cond ((looking-at "BABYL OPTIONS:");Babyl header
                    558:               (search-forward "\n\^_")
                    559:               (delete-region (point-min) (point)))
                    560:              ;; Babyl format message
                    561:              ((looking-at "\^L")
                    562:               (or (search-forward "\n\^_" nil t)
                    563:                   (progn
                    564:                     (message "Invalid Babyl format in inbox!")
                    565:                     (sit-for 1)
                    566:                     (goto-char (point-max))))
                    567:               (setq count (1+ count))
                    568:               ;; Make sure there is no extra white space after the ^_
                    569:               ;; at the end of the message.
                    570:               ;; Narrowing will make sure that whatever follows the junk
                    571:               ;; will be treated properly.
                    572:               (delete-region (point)
                    573:                              (save-excursion
                    574:                                (skip-chars-forward " \t\n")
                    575:                                (point)))
                    576:               (narrow-to-region (point) (point-max)))
                    577:              ;;*** MMDF format
                    578:              ((let ((case-fold-search t))
                    579:                 (looking-at mmdf-delim1))
                    580:               (let ((case-fold-search t))
                    581:                 (replace-match "\^L\n0, unseen,,\n*** EOOH ***\n")
                    582:                 (setq start (point))
                    583:                 (re-search-forward mmdf-delim2 nil t)
                    584:                 (replace-match "\^_"))
                    585:               (save-excursion
                    586:                 (save-restriction
                    587:                   (narrow-to-region start (1- (point)))
                    588:                   (goto-char (point-min))
                    589:                   (while (search-forward "\n\^_" nil t) ; single char "\^_"
                    590:                     (replace-match "\n^_")))) ; 2 chars: "^" and "_"
                    591:               (narrow-to-region (point) (point-max))
                    592:               (setq count (1+ count)))
                    593:              ;;*** Mail format
                    594:              ((looking-at "^From ")
                    595:               (setq start (point))
                    596:               (insert "\^L\n0, unseen,,\n*** EOOH ***\n")
                    597:               (rmail-nuke-pinhead-header)
                    598:               ;; If this message has a Content-Length field,
                    599:               ;; skip to the end of the contents.
                    600:               (let* ((header-end (save-excursion
                    601:                                    (and (re-search-forward "\n\n" nil t)
                    602:                                         (point))))
                    603:                      (case-fold-search t)
                    604:                      (size
                    605:                       ;; Get the numeric value from the Content-Length field.
                    606:                       (save-excursion
                    607:                         ;; Back up to end of prev line,
                    608:                         ;; in case the Content-Length field comes first.
                    609:                         (forward-char -1)
                    610:                         (and (search-forward "\ncontent-length: "
                    611:                                              header-end t)
                    612:                              (let ((beg (point))
                    613:                                    (eol (progn (end-of-line) (point))))
                    614:                                (read (buffer-substring beg eol)))))))
                    615:                 (if size
                    616:                     (goto-char (+ header-end size))))
                    617:                         
                    618:               (if (re-search-forward
                    619:                    (concat "^[\^_]?\\("
                    620:                            rmail-unix-mail-delimiter
                    621:                            "\\|"
                    622:                            mmdf-delim1 "\\|"
                    623:                            "^BABYL OPTIONS:\\|"
                    624:                            "\^L\n[01],\\)") nil t)
                    625:                   (goto-char (match-beginning 1))
                    626:                 (goto-char (point-max)))
                    627:               (setq count (1+ count))
                    628:               (save-excursion
                    629:                 (save-restriction
                    630:                   (narrow-to-region start (point))
                    631:                   (goto-char (point-min))
                    632:                   (while (search-forward "\n\^_" nil t); single char
                    633:                     (replace-match "\n^_")))); 2 chars: "^" and "_"
                    634:               (insert ?\^_)
                    635:               (narrow-to-region (point) (point-max)))
                    636:              ;;
                    637:              ;;This is a kludge, in case we're wrong about mmdf not
                    638:              ;;allowing anything in between.  If it loses, we'll have
                    639:              ;;to look for something else
                    640:              (t (delete-char 1)))))
                    641:     count))
                    642: 
                    643: (defun rmail-nuke-pinhead-header ()
                    644:   (save-excursion
                    645:     (save-restriction
                    646:       (let ((start (point))
                    647:            (end (progn
                    648:                   (condition-case ()
                    649:                       (search-forward "\n\n")
                    650:                     (error
                    651:                      (goto-char (point-max))
                    652:                      (insert "\n\n")))
                    653:                   (point)))
                    654:            has-from has-date)
                    655:        (narrow-to-region start end)
                    656:        (let ((case-fold-search t))
                    657:          (goto-char start)
                    658:          (setq has-from (search-forward "\nFrom:" nil t))
                    659:          (goto-char start)
                    660:          (setq has-date (and (search-forward "\nDate:" nil t) (point)))
                    661:          (goto-char start))
                    662:        (let ((case-fold-search nil))
                    663:          (if (re-search-forward (concat "^" rmail-unix-mail-delimiter) nil t)
                    664:              (replace-match
                    665:                (concat
                    666:                  ;; Keep and reformat the date if we don't
                    667:                  ;;  have a Date: field.
                    668:                  (if has-date
                    669:                      ""
                    670:                    ;; If no time zone specified, assume est.
                    671:                    (if (= (match-beginning 7) (match-end 7))
                    672:                        "Date: \\3, \\5 \\4 \\9 \\6 EST\n"
                    673:                        "Date: \\3, \\5 \\4 \\9 \\6\\7\n"))
                    674:                  ;; Keep and reformat the sender if we don't
                    675:                  ;; have a From: field.
                    676:                  (if has-from
                    677:                      ""
                    678:                    "From: \\1\n")))))))))
                    679: 
                    680: ;;;; *** Rmail Message Formatting and Header Manipulation ***
                    681: 
                    682: (defun rmail-reformat-message (beg end)
                    683:   (goto-char beg)
                    684:   (forward-line 1)
                    685:   (if (/= (following-char) ?0)
                    686:       (error "Bad format in RMAIL file."))
                    687:   (let ((buffer-read-only nil)
                    688:        (delta (- (buffer-size) end)))
                    689:     (delete-char 1)
                    690:     (insert ?1)
                    691:     (forward-line 1)
                    692:     (if (looking-at "Summary-line: ")
                    693:        (forward-line 1))
                    694:     (if (looking-at "\\*\\*\\* EOOH \\*\\*\\*\n")
                    695:        (delete-region (point)
                    696:                       (progn (forward-line 1) (point))))
                    697:     (let ((str (buffer-substring (point)
                    698:                                 (save-excursion (search-forward "\n\n" end 'move)
                    699:                                                 (point)))))
                    700:       (insert str "*** EOOH ***\n")
                    701:       (narrow-to-region (point) (- (buffer-size) delta)))
                    702:     (goto-char (point-min))
                    703:     (if rmail-ignored-headers (rmail-clear-headers))
                    704:     (if rmail-message-filter (funcall rmail-message-filter))))
                    705: 
                    706: (defun rmail-clear-headers ()
                    707:   (if (search-forward "\n\n" nil t)
                    708:       (save-restriction
                    709:         (narrow-to-region (point-min) (point))
                    710:        (let ((buffer-read-only nil))
                    711:          (while (let ((case-fold-search t))
                    712:                   (goto-char (point-min))
                    713:                   (re-search-forward rmail-ignored-headers nil t))
                    714:            (beginning-of-line)
                    715:            (delete-region (point)
                    716:                           (progn (re-search-forward "\n[^ \t]")
                    717:                                  (forward-char -1)
                    718:                                  (point))))))))
                    719: 
                    720: (defun rmail-toggle-header ()
                    721:   "Show original message header if pruned header currently shown, or vice versa."
                    722:   (interactive)
                    723:   (rmail-maybe-set-message-counters)
                    724:   (narrow-to-region (rmail-msgbeg rmail-current-message) (point-max))
                    725:   (let ((buffer-read-only nil))
                    726:     (goto-char (point-min))
                    727:     (forward-line 1)
                    728:     (if (= (following-char) ?1)
                    729:        (progn (delete-char 1)
                    730:               (insert ?0)
                    731:               (forward-line 1)
                    732:               (if (looking-at "Summary-Line:")
                    733:                   (forward-line 1))
                    734:               (insert "*** EOOH ***\n")
                    735:               (forward-char -1)
                    736:               (search-forward "\n*** EOOH ***\n")
                    737:               (forward-line -1)
                    738:               (let ((temp (point)))
                    739:                 (and (search-forward "\n\n" nil t)
                    740:                      (delete-region temp (point))))
                    741:               (goto-char (point-min))
                    742:               (search-forward "\n*** EOOH ***\n")
                    743:               (narrow-to-region (point) (point-max)))
                    744:       (rmail-reformat-message (point-min) (point-max)))))
                    745: 
                    746: ;;;; *** Rmail Attributes and Keywords ***
                    747: 
                    748: ;; Make a string describing current message's attributes and keywords
                    749: ;; and set it up as the name of a minor mode
                    750: ;; so it will appear in the mode line.
                    751: (defun rmail-display-labels ()
                    752:   (let ((blurb "") (beg (point-min-marker)) (end (point-max-marker)))
                    753:     (save-excursion
                    754:       (unwind-protect
                    755:          (progn
                    756:            (widen)
                    757:            (goto-char (rmail-msgbeg rmail-current-message))
                    758:            (forward-line 1)
                    759:            (if (looking-at "[01],")
                    760:                (progn
                    761:                  (narrow-to-region (point) (progn (end-of-line) (point)))
                    762:                  ;; Truly valid BABYL format requires a space before each
                    763:                  ;; attribute or keyword name.  Put them in if missing.
                    764:                  (let (buffer-read-only)
                    765:                    (goto-char (point-min))
                    766:                    (while (search-forward "," nil t)
                    767:                      (or (looking-at "[ ,]") (eobp)
                    768:                          (insert " "))))
                    769:                  (goto-char (point-max))
                    770:                  (if (search-backward ",," nil 'move)
                    771:                      (progn
                    772:                        (if (> (point) (1+ (point-min)))
                    773:                            (setq blurb (buffer-substring (+ 1 (point-min)) (point))))
                    774:                        (if (> (- (point-max) (point)) 2)
                    775:                            (setq blurb
                    776:                                  (concat blurb
                    777:                                          ";"
                    778:                                          (buffer-substring (+ (point) 3)
                    779:                                                            (1- (point-max)))))))))))
                    780:        (narrow-to-region beg end)
                    781:        (set-marker beg nil)
                    782:        (set-marker end nil)))
                    783:     (while (string-match " +," blurb)
                    784:       (setq blurb (concat (substring blurb 0 (match-beginning 0)) ","
                    785:                          (substring blurb (match-end 0)))))
                    786:     (while (string-match ", +" blurb)
                    787:       (setq blurb (concat (substring blurb 0 (match-beginning 0)) ","
                    788:                          (substring blurb (match-end 0)))))
                    789:     (setq mode-line-process
                    790:          (concat " " rmail-current-message "/" rmail-total-messages
                    791:                  blurb))))
                    792: 
                    793: ;; Turn an attribute of the current message on or off according to STATE.
                    794: ;; ATTR is the name of the attribute, as a string.
                    795: (defun rmail-set-attribute (attr state)
                    796:   (let ((omax (- (buffer-size) (point-max)))
                    797:        (omin (- (buffer-size) (point-min)))
                    798:        (buffer-read-only nil))
                    799:     (unwind-protect
                    800:        (save-excursion
                    801:          (widen)
                    802:          (goto-char (+ 3 (rmail-msgbeg rmail-current-message)))
                    803:          (let ((curstate (search-backward (concat ", " attr ",")
                    804:                                           (prog1 (point) (end-of-line)) t)))
                    805:            (or (eq curstate (not (not state)))
                    806:                (if curstate
                    807:                    (delete-region (point) (1- (match-end 0)))
                    808:                  (beginning-of-line)
                    809:                  (forward-char 2)
                    810:                  (insert " " attr ","))))
                    811:          (if (string= attr "deleted")
                    812:              (rmail-set-message-deleted-p rmail-current-message state)))
                    813:       (narrow-to-region (max 1 (- (buffer-size) omin))
                    814:                        (- (buffer-size) omax))
                    815:       (rmail-display-labels))))
                    816: 
                    817: ;; Return t if the attributes/keywords line of msg number MSG
                    818: ;; contains a match for the regexp LABELS.
                    819: (defun rmail-message-labels-p (msg labels)
                    820:   (goto-char (rmail-msgbeg msg))
                    821:   (forward-char 3)
                    822:   (re-search-backward labels (prog1 (point) (end-of-line)) t))
                    823: 
                    824: ;;;; *** Rmail Message Selection And Support ***
                    825: 
                    826: (defun rmail-msgend (n)
                    827:   (marker-position (aref rmail-message-vector (1+ n))))
                    828: 
                    829: (defun rmail-msgbeg (n)
                    830:   (marker-position (aref rmail-message-vector n)))
                    831: 
                    832: (defun rmail-widen-to-current-msgbeg (function)
                    833:   "Call FUNCTION with point at start of internal data of current message.
                    834: Assumes that bounds were previously narrowed to display the message in Rmail.
                    835: The bounds are widened enough to move point where desired,
                    836: then narrowed again afterward.
                    837: Assumes that the visible text of the message is not changed by FUNCTION."
                    838:   (save-excursion
                    839:     (let ((obeg (- (point-max) (point-min)))
                    840:       (unwind-protect
                    841:          (progn
                    842:            (narrow-to-region (rmail-msgbeg rmail-current-message)
                    843:                              (point-max))
                    844:            (goto-char (point-min))
                    845:            (funcall function))
                    846:        (narrow-to-region (- (point-max) obeg) (point-max)))))))
                    847: 
                    848: (defun rmail-forget-messages ()
                    849:   (unwind-protect
                    850:       (if (vectorp rmail-message-vector)
                    851:          (let* ((i 0)
                    852:                 (v rmail-message-vector)
                    853:                 (n (length v)))
                    854:            (while (< i n)
                    855:              (move-marker (aref v i)  nil)
                    856:              (setq i (1+ i)))))
                    857:     (setq rmail-message-vector nil)
                    858:     (setq rmail-deleted-vector nil)))
                    859: 
                    860: (defun rmail-maybe-set-message-counters ()
                    861:   (if (not (and rmail-deleted-vector
                    862:                rmail-message-vector
                    863:                rmail-current-message
                    864:                rmail-total-messages))
                    865:       (rmail-set-message-counters)))
                    866: 
                    867: (defun rmail-count-new-messages (&optional nomsg)
                    868:   (let* ((case-fold-search nil)
                    869:         (total-messages 0)
                    870:         (messages-head nil)
                    871:         (deleted-head nil))
                    872:     (or nomsg (message "Counting new messages..."))
                    873:     (goto-char (point-max))
                    874:     ;; Put at the end of messages-head
                    875:     ;; the entry for message N+1, which marks
                    876:     ;; the end of message N.  (N = number of messages).
                    877:     (search-backward "\^_")
                    878:     (setq messages-head (list (point-marker)))
                    879:     (rmail-set-message-counters-counter (point-min))
                    880:     (setq rmail-current-message (1+ rmail-total-messages))
                    881:     (setq rmail-total-messages
                    882:          (+ rmail-total-messages total-messages))
                    883:     (setq rmail-message-vector
                    884:          (vconcat rmail-message-vector (cdr messages-head)))
                    885:     (aset rmail-message-vector
                    886:          rmail-current-message (car messages-head))
                    887:     (setq rmail-deleted-vector
                    888:          (concat rmail-deleted-vector deleted-head))
                    889:     (setq rmail-summary-vector
                    890:          (vconcat rmail-summary-vector (make-vector total-messages nil)))
                    891:     (goto-char (point-min))
                    892:     (or nomsg (message "Counting new messages...done (%d)" total-messages))))
                    893: 
                    894: (defun rmail-set-message-counters ()
                    895:   (rmail-forget-messages)
                    896:   (save-excursion
                    897:     (save-restriction
                    898:       (widen)
                    899:       (let* ((point-save (point))
                    900:             (total-messages 0)
                    901:             (messages-after-point)
                    902:             (case-fold-search nil)
                    903:             (messages-head nil)
                    904:             (deleted-head nil))
                    905:        (message "Counting messages...")
                    906:        (goto-char (point-max))
                    907:        ;; Put at the end of messages-head
                    908:        ;; the entry for message N+1, which marks
                    909:        ;; the end of message N.  (N = number of messages).
                    910:        (search-backward "\^_")
                    911:        (setq messages-head (list (point-marker)))
                    912:        (rmail-set-message-counters-counter (min (point) point-save))
                    913:        (setq messages-after-point total-messages)
                    914:        (rmail-set-message-counters-counter)
                    915:        (setq rmail-total-messages total-messages)
                    916:        (setq rmail-current-message
                    917:              (min total-messages
                    918:                   (max 1 (- total-messages messages-after-point))))
                    919:        (setq rmail-message-vector
                    920:              (apply 'vector (cons (point-min-marker) messages-head))
                    921:              rmail-deleted-vector (concat "D" deleted-head)
                    922:              rmail-summary-vector (make-vector rmail-total-messages nil))
                    923:        (message "Counting messages...done")))))
                    924:        
                    925: (defun rmail-set-message-counters-counter (&optional stop)
                    926:   (while (search-backward "\^_\^L\n" stop t)
                    927:     (setq messages-head (cons (point-marker) messages-head))
                    928:     (save-excursion
                    929:       (setq deleted-head
                    930:            (cons (if (search-backward ", deleted,"
                    931:                                       (prog1 (point)
                    932:                                         (forward-line 2))
                    933:                                       t)
                    934:                      ?D ?\ )
                    935:                  deleted-head)))
                    936:     (if (zerop (% (setq total-messages (1+ total-messages)) 20))
                    937:        (message "Counting messages...%d" total-messages))))
                    938: 
                    939: (defun rmail-beginning-of-message ()
                    940:   "Show current message starting from the beginning."
                    941:   (interactive)
                    942:   (rmail-show-message rmail-current-message))
                    943: 
                    944: (defun rmail-show-message (&optional n)
                    945:   "Show message number N (prefix argument), counting from start of file."
                    946:   (interactive "p")
                    947:   (rmail-maybe-set-message-counters)
                    948:   (widen)
                    949:   (if (zerop rmail-total-messages)
                    950:       (progn (narrow-to-region (point-min) (1- (point-max)))
                    951:             (goto-char (point-min))
                    952:             (setq mode-line-process nil))
                    953:     (let (blurb)
                    954:       (if (not n)
                    955:          (setq n rmail-current-message)
                    956:        (cond ((<= n 0)
                    957:               (setq n 1
                    958:                     rmail-current-message 1
                    959:                     blurb "No previous message"))
                    960:              ((> n rmail-total-messages)
                    961:               (setq n rmail-total-messages
                    962:                     rmail-current-message rmail-total-messages
                    963:                     blurb "No following message"))
                    964:              (t
                    965:               (setq rmail-current-message n))))
                    966:       (let ((beg (rmail-msgbeg n))
                    967:            (end (rmail-msgend n)))
                    968:        (goto-char beg)
                    969:        (forward-line 1)
                    970:        (if (= (following-char) ?0)
                    971:            (progn
                    972:              (rmail-reformat-message beg end)
                    973:              (rmail-set-attribute "unseen" nil))
                    974:          (search-forward "\n*** EOOH ***\n" end t)
                    975:          (narrow-to-region (point) end))
                    976:        (goto-char (point-min))
                    977:        (rmail-display-labels)
                    978:        (run-hooks 'rmail-show-message-hook)
                    979:        (if blurb
                    980:            (message blurb))))))
                    981: 
                    982: (defun rmail-next-message (n)
                    983:   "Show following message whether deleted or not.
                    984: With prefix argument N, moves forward N messages,
                    985: or backward if N is negative."
                    986:   (interactive "p")
                    987:   (rmail-maybe-set-message-counters)
                    988:   (rmail-show-message (+ rmail-current-message n)))
                    989: 
                    990: (defun rmail-previous-message (n)
                    991:   "Show previous message whether deleted or not.
                    992: With prefix argument N, moves backward N messages,
                    993: or forward if N is negative."
                    994:   (interactive "p")
                    995:   (rmail-next-message (- n)))  
                    996: 
                    997: (defun rmail-next-undeleted-message (n)
                    998:   "Show following non-deleted message.
                    999: With prefix argument N, moves forward N non-deleted messages,
                   1000: or backward if N is negative."
                   1001:   (interactive "p")
                   1002:   (rmail-maybe-set-message-counters)
                   1003:   (let ((lastwin rmail-current-message)
                   1004:        (current rmail-current-message))
                   1005:     (while (and (> n 0) (< current rmail-total-messages))
                   1006:       (setq current (1+ current))
                   1007:       (if (not (rmail-message-deleted-p current))
                   1008:          (setq lastwin current n (1- n))))
                   1009:     (while (and (< n 0) (> current 1))
                   1010:       (setq current (1- current))
                   1011:       (if (not (rmail-message-deleted-p current))
                   1012:          (setq lastwin current n (1+ n))))
                   1013:     (if (/= lastwin rmail-current-message)
                   1014:        (rmail-show-message lastwin))
                   1015:     (if (< n 0)
                   1016:        (message "No previous nondeleted message"))
                   1017:     (if (> n 0)
                   1018:        (message "No following nondeleted message"))))
                   1019: 
                   1020: (defun rmail-previous-undeleted-message (n)
                   1021:   "Show previous non-deleted message.
                   1022: With prefix argument N, moves backward N non-deleted messages,
                   1023: or forward if N is negative."
                   1024:   (interactive "p")
                   1025:   (rmail-next-undeleted-message (- n)))
                   1026: 
                   1027: (defun rmail-last-message ()
                   1028:   "Show last message in file."
                   1029:   (interactive)
                   1030:   (rmail-maybe-set-message-counters)
                   1031:   (rmail-show-message rmail-total-messages))
                   1032: 
                   1033: (defun rmail-what-message ()
                   1034:   (let ((where (point))
                   1035:        (low 1)
                   1036:        (high rmail-total-messages)
                   1037:        (mid (/ rmail-total-messages 2)))
                   1038:     (while (> (- high low) 1)
                   1039:       (if (>= where (rmail-msgbeg mid))
                   1040:          (setq low mid)
                   1041:        (setq high mid))
                   1042:       (setq mid (+ low (/ (- high low) 2))))
                   1043:     (if (>= where (rmail-msgbeg high)) high low)))
                   1044: 
                   1045: (defvar rmail-search-last-regexp nil)
                   1046: (defun rmail-search (regexp &optional reversep)
                   1047:   "Show message containing next match for REGEXP.
                   1048: Search in reverse (earlier messages) with non-nil 2nd arg REVERSEP.
                   1049: Interactively, empty argument means use same regexp used last time,
                   1050: and reverse search is specified by a negative numeric arg."
                   1051:   (interactive
                   1052:     (let* ((reversep (< (prefix-numeric-value current-prefix-arg) 0))
                   1053:           (prompt (concat (if reversep "Reverse " "") "Rmail search (regexp): "))
                   1054:           regexp)
                   1055:       (if rmail-search-last-regexp
                   1056:          (setq prompt (concat prompt
                   1057:                               "(default "
                   1058:                               rmail-search-last-regexp
                   1059:                               ") ")))
                   1060:       (setq regexp (read-string prompt))
                   1061:       (cond ((not (equal regexp ""))
                   1062:             (setq rmail-search-last-regexp regexp))
                   1063:            ((not rmail-search-last-regexp)
                   1064:             (error "No previous Rmail search string")))
                   1065:       (list rmail-search-last-regexp reversep)))
                   1066:   (message "%sRmail search for %s..."
                   1067:           (if reversep "Reverse " "")
                   1068:           regexp)
                   1069:   (rmail-maybe-set-message-counters)
                   1070:   (let ((omin (point-min))
                   1071:        (omax (point-max))
                   1072:        (opoint (point))
                   1073:        win
                   1074:        (msg rmail-current-message))
                   1075:     (unwind-protect
                   1076:        (progn
                   1077:          (widen)
                   1078:          ;; Check messages one by one, advancing message number up or down
                   1079:          ;; but searching forward through each message.
                   1080:          (if reversep
                   1081:              (while (and (null win) (> msg 1))
                   1082:                (goto-char (rmail-msgbeg (setq msg (1- msg))))
                   1083:                (setq win (re-search-forward
                   1084:                           regexp (rmail-msgend msg) t)))
                   1085:            (while (and (null win) (< msg rmail-total-messages))
                   1086:              (goto-char (rmail-msgbeg (setq msg (1+ msg))))
                   1087:              (setq win (re-search-forward regexp (rmail-msgend msg) t)))))
                   1088:       (if win
                   1089:          (progn
                   1090:            ;; If this is a reverse search and we found a message,
                   1091:            ;; search backward thru this message to position point.
                   1092:            (if reversep
                   1093:                (progn
                   1094:                  (goto-char (rmail-msgend msg))
                   1095:                  (re-search-backward
                   1096:                   regexp (rmail-msgbeg msg) t)))
                   1097:            (setq win (point))
                   1098:            (rmail-show-message msg)
                   1099:            (message "%sRmail search for %s...done"
                   1100:                     (if reversep "Reverse " "")
                   1101:                     regexp)
                   1102:            (goto-char win))
                   1103:        (goto-char opoint)
                   1104:        (narrow-to-region omin omax)
                   1105:        (ding)
                   1106:        (message "Searched failed: %s" regexp)))))
                   1107: 
                   1108: ;;;; *** Rmail Message Deletion Commands ***
                   1109: 
                   1110: (defun rmail-message-deleted-p (n)
                   1111:   (= (aref rmail-deleted-vector n) ?D))
                   1112: 
                   1113: (defun rmail-set-message-deleted-p (n state)
                   1114:   (aset rmail-deleted-vector n (if state ?D ?\ )))
                   1115: 
                   1116: (defun rmail-delete-message ()
                   1117:   "Delete this message and stay on it."
                   1118:   (interactive)
                   1119:   (rmail-set-attribute "deleted" t))
                   1120: 
                   1121: (defun rmail-undelete-previous-message ()
                   1122:   "Back up to deleted message, select it, and undelete it."
                   1123:   (interactive)
                   1124:   (let ((msg rmail-current-message))
                   1125:     (while (and (> msg 0)
                   1126:                (not (rmail-message-deleted-p msg)))
                   1127:       (setq msg (1- msg)))
                   1128:     (if (= msg 0)
                   1129:        (error "No previous deleted message")
                   1130:       (if (/= msg rmail-current-message)
                   1131:          (rmail-show-message msg))
                   1132:       (rmail-set-attribute "deleted" nil))))
                   1133: 
                   1134: (defun rmail-delete-forward (&optional backward)
                   1135:   "Delete this message and move to next nondeleted one.
                   1136: Deleted messages stay in the file until the \\[rmail-expunge] command is given.
                   1137: With prefix argument, delete and move backward."
                   1138:   (interactive "P")
                   1139:   (rmail-set-attribute "deleted" t)
                   1140:   (rmail-next-undeleted-message (if backward -1 1)))
                   1141: 
                   1142: (defun rmail-delete-backward ()
                   1143:   "Delete this message and move to previous nondeleted one.
                   1144: Deleted messages stay in the file until the \\[rmail-expunge] command is given."
                   1145:   (interactive)
                   1146:   (rmail-delete-forward t))
                   1147: 
                   1148: (defun rmail-expunge ()
                   1149:   "Actually erase all deleted messages in the file."
                   1150:   (interactive)
                   1151:   (message "Expunging deleted messages...")
                   1152:   ;; Discard any prior undo information.
                   1153:   (or (eq buffer-undo-list t)
                   1154:       (setq buffer-undo-list nil))
                   1155:   (rmail-maybe-set-message-counters)
                   1156:   (let* ((omax (- (buffer-size) (point-max)))
                   1157:         (omin (- (buffer-size) (point-min)))
                   1158:         (opoint (if (and (> rmail-current-message 0)
                   1159:                          (= ?D (aref rmail-deleted-vector rmail-current-message)))
                   1160:                     0 (- (point) (point-min))))
                   1161:         (messages-head (cons (aref rmail-message-vector 0) nil))
                   1162:         (messages-tail messages-head)
                   1163:         ;; Don't make any undo records for the expunging itself.
                   1164:         (buffer-undo-list t)
                   1165:         (win))
                   1166:     (unwind-protect
                   1167:        (save-excursion
                   1168:          (widen)
                   1169:          (goto-char (point-min))
                   1170:          (let ((counter 0)
                   1171:                (number 1)
                   1172:                (total rmail-total-messages)
                   1173:                (new-message-number rmail-current-message)
                   1174:                (new-summary nil)
                   1175:                (buffer-read-only nil)
                   1176:                (messages rmail-message-vector)
                   1177:                (deleted rmail-deleted-vector)
                   1178:                (summary rmail-summary-vector))
                   1179:            (setq rmail-total-messages nil
                   1180:                  rmail-current-message nil
                   1181:                  rmail-message-vector nil
                   1182:                  rmail-deleted-vector nil
                   1183:                  rmail-summary-vector nil)
                   1184:            (while (<= number total)
                   1185:              (if (= (aref deleted number) ?D)
                   1186:                  (progn
                   1187:                    (delete-region
                   1188:                      (marker-position (aref messages number))
                   1189:                      (marker-position (aref messages (1+ number))))
                   1190:                    (move-marker (aref messages number) nil)
                   1191:                    (if (> new-message-number counter)
                   1192:                        (setq new-message-number (1- new-message-number))))
                   1193:                (setq counter (1+ counter))
                   1194:                (setq messages-tail
                   1195:                      (setcdr messages-tail
                   1196:                              (cons (aref messages number) nil)))
                   1197:                (setq new-summary
                   1198:                      (cons (if (= counter number) (aref summary (1- number)))
                   1199:                            new-summary)))
                   1200:              (if (zerop (% (setq number (1+ number)) 20))
                   1201:                  (message "Expunging deleted messages...%d" number)))
                   1202:            (setq messages-tail
                   1203:                  (setcdr messages-tail
                   1204:                          (cons (aref messages number) nil)))
                   1205:            (setq rmail-current-message new-message-number
                   1206:                  rmail-total-messages counter
                   1207:                  rmail-message-vector (apply 'vector messages-head)
                   1208:                  rmail-deleted-vector (make-string (1+ counter) ?\ )
                   1209:                  rmail-summary-vector (vconcat (nreverse new-summary))
                   1210:                  win t)))
                   1211:       (message "Expunging deleted messages...done")
                   1212:       (if (not win)
                   1213:          (narrow-to-region (- (buffer-size) omin) (- (buffer-size) omax)))
                   1214:       (rmail-show-message
                   1215:        (if (zerop rmail-current-message) 1 nil))
                   1216:       (forward-char opoint))))
                   1217: 
                   1218: ;;;; *** Rmail Mailing Commands ***
                   1219: 
                   1220: (defun rmail-mail ()
                   1221:   "Send mail in another window.
                   1222: While composing the message, use \\[mail-yank-original] to yank the
                   1223: original message into it."
                   1224:   (interactive)
                   1225:   (mail-other-window nil nil nil nil nil (current-buffer)))
                   1226: 
                   1227: (defun rmail-continue ()
                   1228:   "Continue composing outgoing message previously being composed."
                   1229:   (interactive)
                   1230:   (mail-other-window t))
                   1231: 
                   1232: (defun rmail-reply (just-sender)
                   1233:   "Reply to the current message.
                   1234: Normally include CC: to all other recipients of original message;
                   1235: prefix argument means ignore them.
                   1236: While composing the reply, use \\[mail-yank-original] to yank the
                   1237: original message into it."
                   1238:   (interactive "P")
                   1239:   ;;>> this gets set even if we abort. Can't do anything about it, though.
                   1240:   (rmail-set-attribute "answered" t)
                   1241:   (rmail-display-labels)
                   1242:   (let (from reply-to cc subject date to message-id resent-reply-to)
                   1243:     (save-excursion
                   1244:       (save-restriction
                   1245:        (widen)
                   1246:        (goto-char (rmail-msgbeg rmail-current-message))
                   1247:        (forward-line 1)
                   1248:        (if (= (following-char) ?0)
                   1249:            (narrow-to-region
                   1250:             (progn (forward-line 2)
                   1251:                    (point))
                   1252:             (progn (search-forward "\n\n" (rmail-msgend rmail-current-message)
                   1253:                                    'move)
                   1254:                    (point)))
                   1255:          (narrow-to-region (point)
                   1256:                            (progn (search-forward "\n*** EOOH ***\n")
                   1257:                                   (beginning-of-line) (point))))
                   1258:        (setq resent-reply-to (mail-fetch-field "resent-reply-to" t)
                   1259:              from (mail-fetch-field "from")
                   1260:              reply-to (or resent-reply-to
                   1261:                           (mail-fetch-field "reply-to" nil t)
                   1262:                           from)
                   1263:              cc (cond (just-sender nil)
                   1264:                       (resent-reply-to (mail-fetch-field "resent-cc" t))
                   1265:                       (t (mail-fetch-field "cc" nil t)))
                   1266:              subject (or (and resent-reply-to
                   1267:                               (mail-fetch-field "resent-subject" t))
                   1268:                          (mail-fetch-field "subject"))
                   1269:              date (cond (resent-reply-to
                   1270:                          (mail-fetch-field "resent-date" t))
                   1271:                         ((mail-fetch-field "date")))
                   1272:              to (cond (resent-reply-to
                   1273:                        (mail-fetch-field "resent-to" t))
                   1274:                       ((mail-fetch-field "to" nil t))
                   1275:                       ;((mail-fetch-field "apparently-to")) ack gag barf
                   1276:                       (t ""))
                   1277:              message-id (cond (resent-reply-to
                   1278:                                (mail-fetch-field "resent-message-id" t))
                   1279:                               ((mail-fetch-field "message-id"))))))
                   1280:     (and subject
                   1281:         (string-match "\\`Re: " subject)
                   1282:         (setq subject (substring subject 4)))
                   1283:     (mail-other-window nil
                   1284:       (mail-strip-quoted-names reply-to)
                   1285:       subject
                   1286:       (rmail-make-in-reply-to-field from date message-id)
                   1287:       (if just-sender
                   1288:          nil
                   1289:        (let* ((cc-list (rmail-dont-reply-to
                   1290:                          (mail-strip-quoted-names
                   1291:                            (if (null cc) to (concat to ", " cc))))))
                   1292:          (if (string= cc-list "") nil cc-list)))
                   1293:       (current-buffer))))
                   1294: 
                   1295: (defun rmail-make-in-reply-to-field (from date message-id)
                   1296:   (if mail-use-rfc822 (require 'rfc822))
                   1297:   (let (field)
                   1298:     (if (and mail-use-rfc822 from)
                   1299:        (let ((tem (car (rfc822-addresses from))))
                   1300:          (and message-id
                   1301:               (setq field (if (string-match
                   1302:                                 (regexp-quote
                   1303:                                   (if (string-match "@[^@]*\\'" tem)
                   1304:                                       (substring tem
                   1305:                                                  0 (match-beginning 0))
                   1306:                                       tem))
                   1307:                                 message-id)
                   1308:                               message-id
                   1309:                               (concat message-id " \"" tem "\""))
                   1310:                     message-id nil date nil))
                   1311:          (or field
                   1312:              (setq field (prin1-to-string tem))))
                   1313: ;      (if message-id
                   1314: ;          (setq field message-id message-id nil date nil)
                   1315: ;          (setq field (car (rfc882-addresses from))))
                   1316:        )
                   1317:     (or field
                   1318:        (not from)
                   1319:        ;; Compute the sender for the in-reply-to; prefer full name.
                   1320:        (let* ((stop-pos (string-match "  *at \\|  *@ \\|  *<" from))
                   1321:               (start-pos (if stop-pos 0
                   1322:                            ;;>> this loses on nested ()'s
                   1323:                            (let ((pos (string-match " *(" from)))
                   1324:                              (if (not pos) nil
                   1325:                                (setq stop-pos (string-match ")" from pos))
                   1326:                                (if (zerop pos) 0 (+ 2 pos)))))))
                   1327:          (setq field (if stop-pos
                   1328:                          (substring from start-pos stop-pos)
                   1329:                          from))))
                   1330:     (if date (setq field (concat field "'s message of " date)))
                   1331:     (if message-id (setq field (concat field " " message-id)))
                   1332:     field))
                   1333: 
                   1334: (defun rmail-forward ()
                   1335:   "Forward the current message to another user."
                   1336:   (interactive)
                   1337:   ;;>> this gets set even if we abort. Can't do anything about it, though.
                   1338:   (rmail-set-attribute "forwarded" t)
                   1339:   (let ((forward-buffer (current-buffer))
                   1340:        (subject (concat "["
                   1341:                         (let ((from (or (mail-fetch-field "From")
                   1342:                                         (mail-fetch-field ">From"))))
                   1343:                           (if from
                   1344:                               (concat (mail-strip-quoted-names from) ": ")
                   1345:                             ""))
                   1346:                         (or (mail-fetch-field "Subject") "")
                   1347:                         "]")))
                   1348:     ;; If only one window, use it for the mail buffer.
                   1349:     ;; Otherwise, use another window for the mail buffer
                   1350:     ;; so that the Rmail buffer remains visible
                   1351:     ;; and sending the mail will get back to it.
                   1352:     (if (if (one-window-p t)
                   1353:            (mail nil nil subject)
                   1354:          (mail-other-window nil nil subject))
                   1355:        (save-excursion
                   1356:          (goto-char (point-max))
                   1357:          (forward-line 1)
                   1358:          (insert-buffer forward-buffer)))))
                   1359: 
                   1360: ;;;; *** Rmail Specify Inbox Files ***
                   1361: 
                   1362: (autoload 'set-rmail-inbox-list "rmailmsc"
                   1363:   "Set the inbox list of the current RMAIL file to FILE-NAME.
                   1364: This may be a list of file names separated by commas.
                   1365: If FILE-NAME is empty, remove any inbox list."
                   1366:   t)
                   1367: 
                   1368: ;;;; *** Rmail Commands for Labels ***
                   1369: 
                   1370: (autoload 'rmail-add-label "rmailkwd"
                   1371:   "Add LABEL to labels associated with current RMAIL message.
                   1372: Completion is performed over known labels when reading."
                   1373:   t)
                   1374: 
                   1375: (autoload 'rmail-kill-label "rmailkwd"
                   1376:   "Remove LABEL from labels associated with current RMAIL message.
                   1377: Completion is performed over known labels when reading."
                   1378:   t)
                   1379: 
                   1380: (autoload 'rmail-next-labeled-message "rmailkwd"
                   1381:   "Show next message with LABEL.  Defaults to last label used.
                   1382: With prefix argument N moves forward N messages with this label."
                   1383:   t)
                   1384: 
                   1385: (autoload 'rmail-previous-labeled-message "rmailkwd"
                   1386:   "Show previous message with LABEL.  Defaults to last label used.
                   1387: With prefix argument N moves backward N messages with this label."
                   1388:   t)
                   1389: 
                   1390: ;;;; *** Rmail Edit Mode ***
                   1391: 
                   1392: (autoload 'rmail-edit-current-message "rmailedit"
                   1393:   "Edit the contents of the current message"
                   1394:   t)
                   1395: 
                   1396: ;;;; *** Rmail Summary Mode ***
                   1397: 
                   1398: (autoload 'rmail-summary "rmailsum"
                   1399:   "Display a summary of all messages, one line per message."
                   1400:   t)
                   1401: 
                   1402: (autoload 'rmail-summary-by-labels "rmailsum"
                   1403:   "Display a summary of all messages with one or more LABELS.
                   1404: LABELS should be a string containing the desired labels, separated by commas."
                   1405:   t)
                   1406: 
                   1407: (autoload 'rmail-summary-by-recipients "rmailsum"
                   1408:   "Display a summary of all messages with the given RECIPIENTS.
                   1409: Normally checks the To, From and Cc fields of headers;
                   1410: but if PRIMARY-ONLY is non-nil (prefix arg given),
                   1411:  only look in the To and From fields.
                   1412: RECIPIENTS is a string of names separated by commas."
                   1413:   t)
                   1414: 
                   1415: ;;;; *** Rmail output messages to files ***
                   1416: 
                   1417: (autoload 'rmail-output-to-rmail-file "rmailout"
                   1418:   "Append the current message to an Rmail file named FILE-NAME.
                   1419: If the file does not exist, ask if it should be created.
                   1420: If file is being visited, the message is appended to the Emacs
                   1421: buffer visiting that file."
                   1422:   t)
                   1423: 
                   1424: (autoload 'rmail-output "rmailout"
                   1425:   "Append this message to Unix mail file named FILE-NAME."
                   1426:   t)
                   1427: 
                   1428: ;;;; *** Rmail undigestification ***
                   1429: 
                   1430: (autoload 'undigestify-rmail-message "undigest"
                   1431:   "Break up a digest message into its constituent messages.
                   1432: Leaves original message, deleted, before the undigestified messages."
                   1433:   t)

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