elisp-vcs/semi-1.14.6/signature.el

159 lines
4.9 KiB
EmacsLisp

;;; signature.el --- a signature utility for GNU Emacs
;; Copyright (C) 1994,1995,1996,1997,2000 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; OKABE Yasuo <okabe@kudpc.kyoto-u.ac.jp>
;; Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
;; Maintainer: Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
;; Created: 1994/7/11
;; Keywords: mail, news, signature
;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2, or (at
;; your option) any later version.
;; This program is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
(require 'std11)
;;; @ valiables
;;;
(defvar signature-insert-at-eof nil
"*If non-nil, insert signature at the end of file.")
(defvar signature-delete-blank-lines-at-eof nil
"*If non-nil, signature-insert-at-eof deletes blank lines at the end
of file.")
(defvar signature-load-hook nil
"*List of functions called after signature.el is loaded.")
(defvar signature-separator "-- \n"
"*String to separate contents and signature.
It is inserted when signature is inserted at end of file.")
(defvar signature-file-name "~/.signature"
"*Name of file containing the user's signature.")
(defvar signature-file-alist nil
"*Alist of the form:
(((FIELD . PATTERN) . FILENAME)
...)
PATTERN is a string or list of string. If PATTERN matches the contents of
FIELD, the contents of FILENAME is inserted.")
(defvar signature-file-prefix nil
"*String containing optional prefix for the signature file names")
(defvar signature-insert-hook nil
"*List of functions called before inserting a signature.")
(defvar signature-use-bbdb nil
"*If non-nil, Register sigtype to BBDB.")
(autoload 'signature/get-sigtype-from-bbdb "mime-bbdb")
(defun signature/get-sigtype-interactively (&optional default)
(read-file-name "Insert your signature: "
(or default (concat signature-file-name "-"))
(or default signature-file-name)
nil))
(defun signature/get-signature-file-name ()
(save-excursion
(save-restriction
(narrow-to-region
(goto-char (point-min))
(if (re-search-forward
(concat "^" (regexp-quote mail-header-separator) "$")
nil t)
(match-beginning 0)
(point-max)
))
(catch 'found
(let ((alist signature-file-alist) cell field value)
(while alist
(setq cell (car alist)
field (std11-field-body (car (car cell)))
value (cdr (car cell)))
(cond ((functionp value)
(let ((name (apply value field (cdr cell))))
(if name
(throw 'found
(concat signature-file-prefix name))
)))
((stringp field)
(cond ((consp value)
(while value
(if (string-match (car value) field)
(throw 'found
(concat
signature-file-prefix (cdr cell)))
(setq value (cdr value))
)))
((stringp value)
(if (string-match value field)
(throw 'found
(concat
signature-file-prefix (cdr cell)))
)))))
(setq alist (cdr alist))
))
signature-file-name))))
(defun insert-signature (&optional arg)
"Insert the file named by signature-file-name.
It is inserted at the end of file if signature-insert-at-eof is non-nil,
and otherwise at the current point. A prefix argument enables user to
specify a file named <signature-file-name>-DISTRIBUTION interactively."
(interactive "P")
(let ((signature-file-name
(expand-file-name
(or (and signature-use-bbdb
(signature/get-sigtype-from-bbdb arg))
(and arg
(signature/get-sigtype-interactively))
(signature/get-signature-file-name))
)))
(or (file-readable-p signature-file-name)
(error "Cannot open signature file: %s" signature-file-name))
(if signature-insert-at-eof
(progn
(goto-char (point-max))
(or (bolp) (insert "\n"))
(if signature-delete-blank-lines-at-eof (delete-blank-lines))
))
(run-hooks 'signature-insert-hook)
(if (= (point)(point-max))
(insert signature-separator)
)
(insert-file-contents signature-file-name)
(force-mode-line-update)
signature-file-name))
;;; @ end
;;;
(provide 'signature)
(run-hooks 'signature-load-hook)
;;; signature.el ends here