-;;; mh-identity.el --- Multiple identify support for MH-E.
+;;; mh-identity.el --- multiple identify support for MH-E
-;; Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+;; Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
;; Author: Peter S. Galbraith <psg@debian.org>
;; Maintainer: Bill Wohler <wohler@newt.com>
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Multiple identity support for MH-E.
-;;
-;; Used to easily set different fields such as From and Organization, as
-;; well as different signature files.
-;;
-;; Customize the variable `mh-identity-list' and an Identity menu will
-;; appear in mh-letter-mode. The command 'mh-insert-identity can be used
-;; from the command line.
+
+;; Used to easily set different fields such as From and Organization,
+;; as well as different signature files.
+
+;; Customize the variable `mh-identity-list' and see the Identity menu
+;; in MH-Letter mode. The command `mh-insert-identity' can be used
+;; to manually insert an identity.
;;; Change Log:
;;; Code:
+(require 'mh-e)
+
+(autoload 'mml-insert-tag "mml")
-(require 'cl)
+(defvar mh-identity-pgg-default-user-id nil
+ "Holds the GPG key ID to be used by pgg.el.
+This is normally set as part of an Identity in
+`mh-identity-list'.")
+(make-variable-buffer-local 'mh-identity-pgg-default-user-id)
-(eval-when (compile load eval)
- (defvar mh-comp-loaded nil)
- (unless mh-comp-loaded
- (setq mh-comp-loaded t)
- (require 'mh-comp))) ;Since we do this on sending
+(defvar mh-identity-menu nil
+ "The Identity menu.")
-(autoload 'mml-insert-tag "mml")
+(defalias 'mh-identity-make-menu-no-autoload 'mh-identity-make-menu)
;;;###mh-autoload
(defun mh-identity-make-menu ()
- "Build (or rebuild) the Identity menu (e.g. after the list is modified)."
- (when (and mh-identity-list (boundp 'mh-letter-mode-map))
- (easy-menu-define mh-identity-menu mh-letter-mode-map
- "mh-e identity menu"
- (append
- '("Identity")
- ;; Dynamically render :type corresponding to `mh-identity-list'
- ;; e.g.:
- ;; ["home" (mh-insert-identity "home")
- ;; :style radio :active (not (equal mh-identity-local "home"))
- ;; :selected (equal mh-identity-local "home")]
- (mapcar (function
- (lambda (arg)
- `[,arg (mh-insert-identity ,arg) :style radio
- :active (not (equal mh-identity-local ,arg))
- :selected (equal mh-identity-local ,arg)]))
- (mapcar 'car mh-identity-list))
- '("--"
- ["none" (mh-insert-identity "none") mh-identity-local]
- ["Set Default for Session"
- (setq mh-identity-default mh-identity-local) t]
- ["Save as Default"
- (customize-save-variable
- 'mh-identity-default mh-identity-local) t]
- )))))
+ "Build the Identity menu.
+This should be called any time `mh-identity-list' or
+`mh-auto-fields-list' change.
+See `mh-identity-add-menu'."
+ (easy-menu-define mh-identity-menu mh-letter-mode-map
+ "MH-E identity menu"
+ (append
+ '("Identity")
+ ;; Dynamically render :type corresponding to `mh-identity-list'
+ ;; e.g.:
+ ;; ["Home" (mh-insert-identity "Home")
+ ;; :style radio :active (not (equal mh-identity-local "Home"))
+ ;; :selected (equal mh-identity-local "Home")]
+ '(["Insert Auto Fields"
+ (mh-insert-auto-fields) mh-auto-fields-list]
+ "--")
+
+ (mapcar (function
+ (lambda (arg)
+ `[,arg (mh-insert-identity ,arg) :style radio
+ :selected (equal mh-identity-local ,arg)]))
+ (mapcar 'car mh-identity-list))
+ '(["None"
+ (mh-insert-identity "None") :style radio
+ :selected (not mh-identity-local)]
+ "--"
+ ["Set Default for Session"
+ (setq mh-identity-default mh-identity-local) t]
+ ["Save as Default"
+ (customize-save-variable 'mh-identity-default mh-identity-local) t]
+ ["Customize Identities" (customize-variable 'mh-identity-list) t]
+ ))))
;;;###mh-autoload
-(defun mh-identity-list-set (symbol value)
- "Update the `mh-identity-list' variable, and rebuild the menu.
-Sets the default for SYMBOL (e.g. `mh-identity-list') to VALUE (as set in
-customization). This is called after 'customize is used to alter
-`mh-identity-list'."
- (set-default symbol value)
- (mh-identity-make-menu))
+(defun mh-identity-add-menu ()
+ "Add the current Identity menu.
+See `mh-identity-make-menu'."
+ (if mh-identity-menu
+ (easy-menu-add mh-identity-menu)))
(defvar mh-identity-local nil
- "Buffer-local variable holding the identity currently in use.")
+ "Buffer-local variable that holds the identity currently in use.")
(make-variable-buffer-local 'mh-identity-local)
(defun mh-header-field-delete (field value-only)
- "Delete FIELD in the mail header, or only its value if VALUE-ONLY is t.
+ "Delete header FIELD, or only its value if VALUE-ONLY is t.
Return t if anything is deleted."
- (when (mh-goto-header-field field)
- (if (not value-only)
- (beginning-of-line)
- (forward-char))
- (delete-region (point)
- (progn (mh-header-field-end)
- (if (not value-only) (forward-char 1))
- (point)))
- t))
+ (let ((field-colon (if (string-match "^.*:$" field)
+ field
+ (concat field ":"))))
+ (when (mh-goto-header-field field-colon)
+ (if (not value-only)
+ (beginning-of-line)
+ (forward-char))
+ (delete-region (point)
+ (progn (mh-header-field-end)
+ (if (not value-only) (forward-char 1))
+ (point)))
+ t)))
(defvar mh-identity-signature-start nil
"Marker for the beginning of a signature inserted by `mh-insert-identity'.")
(defvar mh-identity-signature-end nil
"Marker for the end of a signature inserted by `mh-insert-identity'.")
+(defun mh-identity-field-handler (field)
+ "Return the handler for header FIELD or nil if none set.
+The field name is downcased. If the FIELD begins with the
+character \":\", then it must have a special handler defined in
+`mh-identity-handlers', else return an error since it is not a
+valid header field."
+ (or (cdr (mh-assoc-string field mh-identity-handlers t))
+ (and (eq (aref field 0) ?:)
+ (error "Field %s not found in `mh-identity-handlers'" field))
+ (cdr (assoc ":default" mh-identity-handlers))
+ 'mh-identity-handler-default))
+
;;;###mh-autoload
-(defun mh-insert-identity (identity)
- "Insert proper fields for given IDENTITY.
-Edit the `mh-identity-list' variable to define identity."
+(defun mh-insert-identity (identity &optional maybe-insert)
+ "Insert fields specified by given IDENTITY.
+
+In a program, do not insert fields if MAYBE-INSERT is non-nil,
+`mh-identity-default' is non-nil, and fields have already been
+inserted.
+
+See `mh-identity-list'."
(interactive
(list (completing-read
"Identity: "
(if mh-identity-local
- (cons '("none")
+ (cons '("None")
(mapcar 'list (mapcar 'car mh-identity-list)))
(mapcar 'list (mapcar 'car mh-identity-list)))
- nil t)))
- (save-excursion
- ;;First remove old settings, if any.
- (when mh-identity-local
- (let ((pers-list (cadr (assoc mh-identity-local mh-identity-list))))
- (while pers-list
- (let ((field (concat (caar pers-list) ":")))
- (cond
- ((string-equal "signature:" field)
- (when (and (boundp 'mh-identity-signature-start)
- (markerp mh-identity-signature-start))
- (goto-char mh-identity-signature-start)
- (forward-char -1)
- (delete-region (point) mh-identity-signature-end)))
- ((mh-header-field-delete field nil))))
- (setq pers-list (cdr pers-list)))))
- ;; Then insert the replacement
- (when (not (equal "none" identity))
- (let ((pers-list (cadr (assoc identity mh-identity-list))))
- (while pers-list
- (let ((field (concat (caar pers-list) ":"))
- (value (cdar pers-list)))
- (cond
- ;; No value, remove field
- ((or (not value)
- (string= value ""))
- (mh-header-field-delete field nil))
- ;; Existing field, replace
- ((mh-header-field-delete field t)
- (insert value))
- ;; Handle "signature" special case. Insert file or call function.
- ((and (string-equal "signature:" field)
- (or (and (stringp value)
- (file-readable-p value))
- (fboundp value)))
- (goto-char (point-max))
- (if (not (looking-at "^$"))
- (insert "\n"))
- (insert "\n")
- (save-restriction
- (narrow-to-region (point) (point))
- (set (make-local-variable 'mh-identity-signature-start)
- (make-marker))
- (set-marker mh-identity-signature-start (point))
- (cond
- ;; If MIME composition done, insert signature at the end as
- ;; an inline MIME part.
- ((mh-mhn-directive-present-p)
- (insert "#\n" "Content-Description: Signature\n"))
- ((mh-mml-directive-present-p)
- (mml-insert-tag 'part 'type "text/plain"
- 'disposition "inline"
- 'description "Signature")))
- (if (stringp value)
- (insert-file-contents value)
- (funcall value))
- (goto-char (point-min))
- (when (not (re-search-forward "^--" nil t))
- (cond ((mh-mhn-directive-present-p)
- (forward-line 2))
- ((mh-mml-directive-present-p)
- (forward-line 1)))
- (insert "-- \n"))
- (set (make-local-variable 'mh-identity-signature-end)
- (make-marker))
- (set-marker mh-identity-signature-end (point-max))))
- ;; Handle "From" field differently, adding it at the beginning.
- ((string-equal "From:" field)
- (goto-char (point-min))
- (insert "From: " value "\n"))
- ;; Skip empty signature (Can't remove what we don't know)
- ((string-equal "signature:" field))
- ;; Other field, add at end
- (t ;Otherwise, add the end.
- (goto-char (point-min))
- (mh-goto-header-end 0)
- (mh-insert-fields field value))))
- (setq pers-list (cdr pers-list))))))
- ;; Remember what is in use in this buffer
- (if (equal "none" identity)
- (setq mh-identity-local nil)
- (setq mh-identity-local identity)))
+ nil t)
+ nil))
+
+ (when (or (not maybe-insert)
+ (and (boundp 'mh-identity-default)
+ mh-identity-default
+ (not mh-identity-local)))
+ (save-excursion
+ ;;First remove old settings, if any.
+ (when mh-identity-local
+ (let ((pers-list (cadr (assoc mh-identity-local mh-identity-list))))
+ (while pers-list
+ (let* ((field (caar pers-list))
+ (handler (mh-identity-field-handler field)))
+ (funcall handler field 'remove))
+ (setq pers-list (cdr pers-list)))))
+ ;; Then insert the replacement
+ (when (not (equal "None" identity))
+ (let ((pers-list (cadr (assoc identity mh-identity-list))))
+ (while pers-list
+ (let* ((field (caar pers-list))
+ (value (cdar pers-list))
+ (handler (mh-identity-field-handler field)))
+ (funcall handler field 'add value))
+ (setq pers-list (cdr pers-list))))))
+ ;; Remember what is in use in this buffer
+ (if (equal "None" identity)
+ (setq mh-identity-local nil)
+ (setq mh-identity-local identity))))
+
+;;;###mh-autoload
+(defun mh-identity-handler-gpg-identity (field action &optional value)
+ "Process header FIELD \":pgg-default-user-id\".
+The ACTION is one of 'remove or 'add. If 'add, the VALUE is added.
+The buffer-local variable `mh-identity-pgg-default-user-id' is set to
+VALUE when action 'add is selected."
+ (cond
+ ((or (equal action 'remove)
+ (not value)
+ (string= value ""))
+ (setq mh-identity-pgg-default-user-id nil))
+ ((equal action 'add)
+ (setq mh-identity-pgg-default-user-id value))))
+
+;;;###mh-autoload
+(defun mh-identity-handler-signature (field action &optional value)
+ "Process header FIELD \":signature\".
+The ACTION is one of 'remove or 'add. If 'add, the VALUE is
+added."
+ (cond
+ ((equal action 'remove)
+ (when (and (markerp mh-identity-signature-start)
+ (markerp mh-identity-signature-end))
+ (delete-region mh-identity-signature-start
+ mh-identity-signature-end)))
+ (t
+ ;; Insert "signature". Nil value means to use `mh-signature-file-name'.
+ (when (not (mh-signature-separator-p)) ;...unless already present
+ (goto-char (point-max))
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (if (null value)
+ (mh-insert-signature)
+ (mh-insert-signature value))
+ (set (make-local-variable 'mh-identity-signature-start)
+ (point-min-marker))
+ (set-marker-insertion-type mh-identity-signature-start t)
+ (set (make-local-variable 'mh-identity-signature-end)
+ (point-max-marker)))))))
+
+(defvar mh-identity-attribution-verb-start nil
+ "Marker for the beginning of the attribution verb.")
+(defvar mh-identity-attribution-verb-end nil
+ "Marker for the end of the attribution verb.")
+
+;;;###mh-autoload
+(defun mh-identity-handler-attribution-verb (field action &optional value)
+ "Process header FIELD \":attribution-verb\".
+The ACTION is one of 'remove or 'add. If 'add, the VALUE is
+added."
+ (when (and (markerp mh-identity-attribution-verb-start)
+ (markerp mh-identity-attribution-verb-end))
+ (delete-region mh-identity-attribution-verb-start
+ mh-identity-attribution-verb-end)
+ (goto-char mh-identity-attribution-verb-start)
+ (cond
+ ((equal action 'remove) ; Replace with default
+ (mh-identity-insert-attribution-verb nil))
+ (t ; Insert attribution verb.
+ (mh-identity-insert-attribution-verb value)))))
+
+;;;###mh-autoload
+(defun mh-identity-insert-attribution-verb (value)
+ "Insert VALUE as attribution verb, setting up delimiting markers.
+If VALUE is nil, use `mh-extract-from-attribution-verb'."
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (if (null value)
+ (insert mh-extract-from-attribution-verb)
+ (insert value))
+ (set (make-local-variable 'mh-identity-attribution-verb-start)
+ (point-min-marker))
+ (set-marker-insertion-type mh-identity-attribution-verb-start t)
+ (set (make-local-variable 'mh-identity-attribution-verb-end)
+ (point-max-marker))))
+
+(defun mh-identity-handler-default (field action top &optional value)
+ "Process header FIELD.
+The ACTION is one of 'remove or 'add. If TOP is non-nil, add the
+field and its VALUE at the top of the header, else add it at the
+bottom of the header. If action is 'add, the VALUE is added."
+ (let ((field-colon (if (string-match "^.*:$" field)
+ field
+ (concat field ":"))))
+ (cond
+ ((equal action 'remove)
+ (mh-header-field-delete field-colon nil))
+ (t
+ (cond
+ ;; No value, remove field
+ ((or (not value)
+ (string= value ""))
+ (mh-header-field-delete field-colon nil))
+ ;; Existing field, replace
+ ((mh-header-field-delete field-colon t)
+ (insert value))
+ ;; Other field, add at end or top
+ (t
+ (goto-char (point-min))
+ (if (not top)
+ (mh-goto-header-end 0))
+ (insert field-colon " " value "\n")))))))
+
+;;;###mh-autoload
+(defun mh-identity-handler-top (field action &optional value)
+ "Process header FIELD.
+The ACTION is one of 'remove or 'add. If 'add, the VALUE is
+added. If the field wasn't present, it is added to the top of the
+header."
+ (mh-identity-handler-default field action t value))
+
+;;;###mh-autoload
+(defun mh-identity-handler-bottom (field action &optional value)
+ "Process header FIELD.
+The ACTION is one of 'remove or 'add. If 'add, the VALUE is
+added. If the field wasn't present, it is added to the bottom of
+the header."
+ (mh-identity-handler-default field action nil value))
(provide 'mh-identity)
-;;; Local Variables:
-;;; indent-tabs-mode: nil
-;;; sentence-end-double-space: nil
-;;; End:
+;; Local Variables:
+;; indent-tabs-mode: nil
+;; sentence-end-double-space: nil
+;; End:
-;;; arch-tag: 07d66ef6-8726-4ac6-9ecf-e566cd5bfb45
+;; arch-tag: 07d66ef6-8726-4ac6-9ecf-e566cd5bfb45
;;; mh-identity.el ends here