-;;; mailalias.el --- expand and complete mailing address aliases
+;;; mailalias.el --- expand and complete mailing address aliases -*- lexical-binding: t -*-
;; Copyright (C) 1985, 1987, 1995-1997, 2001-2011
;; Free Software Foundation, Inc.
(defvar mail-address-field-regexp
"^\\(Resent-\\)?\\(To\\|From\\|CC\\|BCC\\|Reply-to\\):")
+(defvar pattern)
+
(defcustom mail-complete-alist
- ;; Don't use backquote here; we don't want backquote to get loaded
- ;; just because of loading this file.
;; Don't refer to mail-address-field-regexp here;
;; that confuses some things such as cus-dep.el.
- (cons '("^\\(Resent-\\)?\\(To\\|From\\|CC\\|BCC\\|Reply-to\\):"
- . (mail-get-names pattern))
- '(("Newsgroups:" . (if (boundp 'gnus-active-hashtb)
- gnus-active-hashtb
- (if (boundp news-group-article-assoc)
- news-group-article-assoc)))
- ("Followup-To:" . (mail-sentto-newsgroups))
- ;;("Distribution:" ???)
- ))
+ '(("^\\(Resent-\\)?\\(To\\|From\\|CC\\|BCC\\|Reply-to\\):"
+ . (mail-get-names pattern))
+ ("Newsgroups:" . (if (boundp 'gnus-active-hashtb)
+ gnus-active-hashtb
+ (if (boundp news-group-article-assoc)
+ news-group-article-assoc)))
+ ("Followup-To:" . (mail-sentto-newsgroups))
+ ;;("Distribution:" ???)
+ )
"Alist of header field and expression to return alist for completion.
The expression may reference the variable `pattern'
which will hold the string being completed.
"Function to call when completing outside `mail-complete-alist'-header."
:type '(choice function (const nil))
:group 'mailalias)
+(make-obsolete-variable 'mail-complete-function
+ 'completion-at-point-functions "24.1")
(defcustom mail-directory-function nil
"Function to get completions from directory service or nil for none.
mail-names t))))
;;;###autoload
-(defun mail-complete (arg)
- "Perform completion on header field or word preceding point.
-Completable headers are according to `mail-complete-alist'. If none matches
-current header, calls `mail-complete-function' and passes prefix arg if any."
- (interactive "P")
+(defun mail-completion-at-point-function ()
+ "Compute completion data for mail aliases.
+For use on `completion-at-point-functions'."
;; Read the defaults first, if we have not done so.
(sendmail-sync-aliases)
(if (eq mail-aliases t)
(setq mail-aliases nil)
(if (file-exists-p mail-personal-alias-file)
(build-mail-aliases))))
- (let ((list mail-complete-alist))
+ (let ((list mail-complete-alist)
+ (list-exp nil))
(if (and (< 0 (mail-header-end))
(save-excursion
- (if (re-search-backward "^[^\t]" nil t)
+ (if (re-search-backward "^[^\t ]" nil t)
(while list
(if (looking-at (car (car list)))
- (setq arg (cdr (car list))
+ (setq list-exp (cdr (car list))
list ())
(setq list (cdr list)))))
- arg))
+ list-exp))
(let* ((end (point))
(beg (save-excursion
(skip-chars-backward "^ \t<,:")
(point)))
- (pattern (buffer-substring beg end))
- completion)
- (setq list (eval arg)
- completion (try-completion pattern list))
- (cond ((eq completion t))
- ((null completion)
- (message "Can't find completion for \"%s\"" pattern)
- (ding))
- ((not (string= pattern completion))
- (delete-region beg end)
- (let ((alist-elt (assoc completion mail-names)))
- (if (cdr alist-elt)
- (cond ((eq mail-complete-style 'parens)
- (insert completion " (" (cdr alist-elt) ")"))
- ((eq mail-complete-style 'angles)
- (insert (cdr alist-elt) " <" completion ">"))
- (t
- (insert completion)))
- (insert completion))))
- (t
- (message "Making completion list...")
- (with-output-to-temp-buffer "*Completions*"
- (display-completion-list
- (all-completions pattern list)))
- (message "Making completion list...%s" "done"))))
- (funcall mail-complete-function arg))))
+ (table (completion-table-dynamic
+ (lambda (prefix)
+ (let ((pattern prefix)) (eval list-exp))))))
+ (list beg end table)))))
-(defun mail-get-names (pattern)
+;;;###autoload
+(defun mail-complete (arg)
+ "Perform completion on header field or word preceding point.
+Completable headers are according to `mail-complete-alist'. If none matches
+current header, calls `mail-complete-function' and passes prefix ARG if any."
+ (interactive "P")
+ ;; Read the defaults first, if we have not done so.
+ (sendmail-sync-aliases)
+ (if (eq mail-aliases t)
+ (progn
+ (setq mail-aliases nil)
+ (if (file-exists-p mail-personal-alias-file)
+ (build-mail-aliases))))
+ (let ((data (mail-completion-at-point-function)))
+ (if data
+ (apply #'completion-in-region data)
+ (funcall mail-complete-function arg))))
+(make-obsolete 'mail-complete 'mail-completion-at-point-function "24.1")
+
+(defun mail-completion-expand (table)
+ "Build new completion table that expands aliases.
+Completes like TABLE except that if the completion is a valid alias,
+it expands it to its full `mail-complete-style' form."
+ (lambda (string pred action)
+ (cond
+ ((eq action nil)
+ (let* ((comp (try-completion string table pred))
+ (name (and (listp table) comp
+ (assoc (if (stringp comp) comp string) table))))
+ (cond
+ ((null name) comp)
+ ((eq mail-complete-style 'parens)
+ (concat (car name) " (" (cdr name) ")"))
+ ((eq mail-complete-style 'angles)
+ (concat (cdr name) " <" (car name) ">"))
+ (t comp))))
+ (t
+ (complete-with-action action table string pred)))))
+
+(defun mail-get-names (prefix)
"Fetch local users and global mail addresses for completion.
Consults `/etc/passwd' and a directory service if one is set up via
`mail-directory-function'.
-PATTERN is the string we want to complete."
+PREFIX is the string we want to complete."
(if (eq mail-local-names t)
(with-current-buffer (generate-new-buffer " passwd")
(let ((files mail-passwd-files))
(and mail-directory-function
(eq mail-directory-names t)
(setq directory
- (mail-directory (if mail-directory-requery pattern))))
+ (mail-directory (if mail-directory-requery prefix))))
(or mail-directory-requery
(setq mail-directory-names directory))
(if (or directory
(when (consp mail-directory-names)
mail-directory-names)))
(lambda (a b)
- ;; should cache downcased strings
+ ;; Should cache downcased strings.
(string< (downcase (car a))
(downcase (car b)))))))))
- mail-names)
+ (mail-completion-expand mail-names))
-(defun mail-directory (pattern)
- "Use mail-directory facility to get user names matching PATTERN.
-If PATTERN is nil, get all the defined user names.
+(defun mail-directory (prefix)
+ "Use mail-directory facility to get user names matching PREFIX.
+If PREFIX is nil, get all the defined user names.
This function calls `mail-directory-function' to query the directory,
then uses `mail-directory-parser' to parse the output it returns."
(message "Querying directory...")
(with-current-buffer (generate-new-buffer " *mail-directory*")
- (funcall mail-directory-function pattern)
+ (funcall mail-directory-function prefix)
(goto-char (point-min))
(let (directory)
(if (stringp mail-directory-parser)
(while (re-search-forward mail-directory-parser nil t)
- (setq directory
- (cons (match-string 1) directory)))
+ (push (match-string 1) directory))
(if mail-directory-parser
(setq directory (funcall mail-directory-parser))
(while (not (eobp))
- (setq directory
- (cons (buffer-substring (point)
- (progn
- (forward-line)
- (if (bolp)
- (1- (point))
- (point))))
- directory)))))
+ (push (buffer-substring (point)
+ (progn
+ (forward-line)
+ (if (bolp)
+ (1- (point))
+ (point))))
+ directory))))
(kill-buffer (current-buffer))
(message "Querying directory...done")
directory)))
+(defvar mailalias-done)
-(defun mail-directory-process (pattern)
+(defun mail-directory-process (prefix)
"Run a shell command to output names in directory.
See `mail-directory-process'."
(when (consp mail-directory-process)
- (apply 'call-process (eval (car mail-directory-process)) nil t nil
- (mapcar 'eval (cdr mail-directory-process)))))
+ (let ((pattern prefix)) ;Dynbind!
+ (apply 'call-process (eval (car mail-directory-process)) nil t nil
+ (mapcar 'eval (cdr mail-directory-process))))))
;; This should handle a dialog. Currently expects port to spit out names.
-(defun mail-directory-stream (pattern)
+(defun mail-directory-stream (prefix)
"Open a stream to retrieve names in directory.
See `mail-directory-stream'."
- (let (mailalias-done)
+ (let ((mailalias-done nil)
+ (pattern prefix)) ;Dynbind!
(set-process-sentinel
(apply 'open-network-stream "mailalias" (current-buffer)
mail-directory-stream)
- (lambda (x y)
+ (lambda (_x _y)
(setq mailalias-done t)))
(while (not mailalias-done)
(sit-for .1))))
HCoop / bpt / emacs.git / blobdiff