;;; uniquify.el --- unique buffer names dependent on file name
;; Copyright (C) 1989, 1995, 1996, 1997, 2001, 2002, 2003,
-;; 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+;; 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
;; Author: Dick King <king@reasoning.com>
;; Maintainer: FSF
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs 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.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.
;; 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Emacs's standard method for making buffer names unique adds <2>, <3>,
-;; etc.. to the end of (all but one of) the buffers. This file replaces
+;; etc. to the end of (all but one of) the buffers. This file replaces
;; that behavior, for buffers visiting files and dired buffers, with a
;; uniquification that adds parts of the file name until the buffer names
;; are unique. For instance, buffers visiting /u/mernst/tmp/Makefile and
;; Add uniquify-list-buffers-directory-modes
;; Stefan Monnier <monnier@cs.yale.edu> 17 Nov 2000
;; Algorithm and data structure changed to reduce consing with lots of buffers
-;; Francesco Potort
ì <pot@gnu.org> (ideas by rms and monnier) 2001-07-18
+;; Francesco Potort
ì <pot@gnu.org> (ideas by rms and monnier) 2001-07-18
;; Valuable feedback was provided by
;; Paul Smith <psmith@baynetworks.com>,
(make-variable-buffer-local 'uniquify-managed)
(put 'uniquify-managed 'permanent-local t)
+;; Used in desktop.el to save the non-uniquified buffer name
+(defun uniquify-buffer-base-name ()
+ "Return the base name of the current buffer.
+Return nil if the buffer is not managed by uniquify."
+ (and uniquify-managed
+ (uniquify-item-base (car uniquify-managed))))
+
;;; Main entry point.
(defun uniquify-rationalize-file-buffer-names (base dirname newbuf)
(with-current-buffer (uniquify-item-buffer (car items))
(setq uniquify-managed nil))
(setq items nil)))
+ ;; In case we missed some calls to kill-buffer, there may be dead
+ ;; buffers in uniquify-managed, so filter them out.
+ (setq items
+ (delq nil (mapcar
+ (lambda (item)
+ (if (buffer-live-p (uniquify-item-buffer item))
+ item))
+ items)))
(setq fix-list (append fix-list items))))
;; selects buffers whose names may need changing, and others that
;; may conflict, then bring conflicting names together
proposed)
;; Divide fix-list into items with same proposed names and pass them
;; to uniquify-rationalize-conflicting-sublist.
- (dolist (item (sort fix-list 'uniquify-item-greaterp))
+ (dolist (item (sort (copy-sequence fix-list) 'uniquify-item-greaterp))
(setq proposed (uniquify-item-proposed item))
(unless (equal proposed old-proposed)
(uniquify-rationalize-conflicting-sublist conflicting-sublist
;;; Hooks from the rest of Emacs
+;; Buffer deletion
+;; Rerationalize after a buffer is killed, to reduce coinciding buffer names.
+;; This mechanism uses `kill-buffer-hook', which runs *before* deletion, so
+;; it calls `uniquify-rerationalize-w/o-cb' to rerationalize the buffer list
+;; ignoring the current buffer (which is going to be deleted anyway).
+(defun uniquify-maybe-rerationalize-w/o-cb ()
+ "Re-rationalize buffer names, ignoring current buffer.
+For use on `kill-buffer-hook'."
+ (if (and (cdr uniquify-managed)
+ uniquify-buffer-name-style
+ uniquify-after-kill-buffer-p)
+ (uniquify-rerationalize-w/o-cb uniquify-managed)))
+
+;; Ideally we'd like to add it buffer-locally, but that doesn't work
+;; because kill-buffer-hook is not permanent-local :-(
+(add-hook 'kill-buffer-hook 'uniquify-maybe-rerationalize-w/o-cb)
+
;; The logical place to put all this code is in generate-new-buffer-name.
;; It's written in C, so we would add a generate-new-buffer-name-function
;; which, if non-nil, would be called instead of the C. One problem with
(file-name-nondirectory filename)
(file-name-directory filename) ad-return-value))))
-;; Buffer deletion
-;; Rerationalize after a buffer is killed, to reduce coinciding buffer names.
-;; This mechanism uses `kill-buffer-hook', which runs *before* deletion.
-;; That means that the kill-buffer-hook function cannot just delete the
-;; buffer -- it has to set something to do the rationalization *later*.
-;; It actually puts another function on `post-command-hook'. This other
-;; function runs the rationalization and then removes itself from the hook.
-;; Is there a better way to accomplish this?
-;; (This ought to set some global variables so the work is done only for
-;; buffers with names similar to the deleted buffer. -MDE)
-
-(defun uniquify-maybe-rerationalize-w/o-cb ()
- "Re-rationalize buffer names, ignoring current buffer.
-For use on `kill-buffer-hook'."
- (if (and (cdr uniquify-managed)
- uniquify-buffer-name-style
- uniquify-after-kill-buffer-p)
- (uniquify-rerationalize-w/o-cb uniquify-managed)))
-
-;; Ideally we'd like to add it buffer-locally, but that doesn't work
-;; because kill-buffer-hook is not permanent-local :-(
-(add-hook 'kill-buffer-hook 'uniquify-maybe-rerationalize-w/o-cb)
+;;; The End
+
+(defun uniquify-unload-function ()
+ "Unload the uniquify library."
+ (save-current-buffer
+ (let ((buffers nil))
+ (dolist (buf (buffer-list))
+ (set-buffer buf)
+ (when uniquify-managed
+ (push (cons buf (uniquify-item-base (car uniquify-managed))) buffers)))
+ (dolist (fun '(rename-buffer create-file-buffer))
+ (ad-remove-advice fun 'after (intern (concat (symbol-name fun) "-uniquify")))
+ (ad-update fun))
+ (dolist (buf buffers)
+ (set-buffer (car buf))
+ (rename-buffer (cdr buf) t))))
+ ;; continue standard unloading
+ nil)
(provide 'uniquify)
HCoop / bpt / emacs.git / blobdiff