[Emacs-diffs] Changes to emacs/lisp/mh-e/mh-identity.el

[Bill Wohler]

Index: emacs/lisp/mh-e/mh-identity.el
diff -c emacs/lisp/mh-e/mh-identity.el:1.6 emacs/lisp/mh-e/mh-identity.el:1.7
*** emacs/lisp/mh-e/mh-identity.el:1.6  Tue Jul 13 03:06:24 2004
--- emacs/lisp/mh-e/mh-identity.el      Sun Aug 15 22:00:06 2004
***************
*** 39,85 ****
  
  ;;; Code:
  
! 
! (require 'mh-utils)
  (mh-require-cl)
! 
! (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
  
  (autoload 'mml-insert-tag "mml")
  
  ;;;###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")]
!        '(["Insert Auto Fields" (mh-insert-auto-fields) mh-auto-fields-list]
!          "--")
!        (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]
!          )))))
  
  ;;;###mh-autoload
  (defun mh-identity-list-set (symbol value)
--- 39,88 ----
  
  ;;; Code:
  
! (eval-when-compile (require 'mh-acros))
  (mh-require-cl)
! (require 'mh-comp)
  
  (autoload 'mml-insert-tag "mml")
  
+ (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)
+ 
  ;;;###mh-autoload
  (defun mh-identity-make-menu ()
!   "Build the Identity menu.
! This should be called any time `mh-identity-list' or `mh-auto-fields-list'
! change."
!   (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)
***************
*** 97,117 ****
  (defun mh-header-field-delete (field value-only)
    "Delete FIELD in the mail header, 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))
  
  (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'.")
  
  ;;;###mh-autoload
  (defun mh-insert-identity (identity)
    "Insert proper fields for given IDENTITY.
--- 100,135 ----
  (defun mh-header-field-delete (field value-only)
    "Delete FIELD in the mail header, or only its value if VALUE-ONLY is t.
  Return t if anything is deleted."
!   (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 a 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 legal
+ message header."
+   (or (cdr (assoc (downcase field) mh-identity-handlers))
+       (and (eq (aref field 0) ?:)
+            (error (format "Field %s - unknown mh-identity-handler" field)))
+       (cdr (assoc "default" mh-identity-handlers))
+       'mh-identity-handler-default))
+ 
  ;;;###mh-autoload
  (defun mh-insert-identity (identity)
    "Insert proper fields for given IDENTITY.
***************
*** 120,126 ****
     (list (completing-read
            "Identity: "
            (if mh-identity-local
!               (cons '("none")
                      (mapcar 'list (mapcar 'car mh-identity-list)))
              (mapcar 'list (mapcar 'car mh-identity-list)))
            nil t)))
--- 138,144 ----
     (list (completing-read
            "Identity: "
            (if mh-identity-local
!               (cons '("None")
                      (mapcar 'list (mapcar 'car mh-identity-list)))
              (mapcar 'list (mapcar 'car mh-identity-list)))
            nil t)))
***************
*** 129,211 ****
      (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)))
  
  (provide 'mh-identity)
  
  ;;; Local Variables:
--- 147,281 ----
      (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)
+   "For FIELD \"pgg-default-user-id\", process for ACTION 'remove or 'add.
+ 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)
+   "For FIELD \"signature\", process headers for ACTION 'remove or '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)
+   "For FIELD \"attribution_verb\", process headers for ACTION 'remove or '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)
+   "For FIELD, process mh-identity headers for ACTION 'remove or 'add.
+ if TOP is non-nil, add the field and it's VALUE at the top of the header, else
+ add it at the bottom of the header."
+   (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)
+   "For FIELD, process mh-identity headers for ACTION 'remove or 'add.
+ If the field wasn't present, the VALUE is added at the top of the header."
+   (mh-identity-handler-default field action t value))
+ 
+ ;;;###mh-autoload
+ (defun mh-identity-handler-bottom (field action &optional value)
+   "For FIELD, process mh-identity headers for ACTION 'remove or 'add.
+ If the field wasn't present, the VALUE is added at the bottom of the header."
+   (mh-identity-handler-default field action nil value))
+ 
  (provide 'mh-identity)
  
  ;;; Local Variables: