-;;; uniquify.el --- unique buffer names dependent on file name
+;;; uniquify.el --- unique buffer names dependent on file name -*- lexical-binding: t -*-
-;; Copyright (C) 1989, 1995, 1996, 1997, 2001, 2002, 2003,
-;; 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+;; Copyright (C) 1989, 1995-1997, 2001-2014 Free Software Foundation,
+;; Inc.
;; Author: Dick King <king@reasoning.com>
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
;; Keywords: files
;; Created: 15 May 86
+;; Package: emacs
;; This file is part of GNU Emacs.
;;; Commentary:
-;; Emacs's standard method for making buffer names unique adds <2>, <3>,
+;; Emacs's traditional method for making buffer names unique adds <2>, <3>,
;; 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
;;; Code:
-(eval-when-compile (require 'cl))
+(eval-when-compile (require 'cl-lib))
;;; User-visible variables
(defgroup uniquify nil
"Unique buffer names dependent on file name."
- :group 'applications)
+ :group 'files)
-(defcustom uniquify-buffer-name-style nil
- "If non-nil, buffer names are uniquified with parts of directory name.
-The value determines the buffer name style and is one of `forward',
-`reverse', `post-forward', or `post-forward-angle-brackets'.
-For example, files `/foo/bar/mumble/name' and `/baz/quux/mumble/name'
+(defcustom uniquify-buffer-name-style 'post-forward-angle-brackets
+ "How to construct unique buffer names for files with the same base name.
+The value can be one of: `forward', `reverse', `post-forward',
+`post-forward-angle-brackets', or nil.
+
+For example, the files `/foo/bar/mumble/name' and `/baz/quux/mumble/name'
would have the following buffer names in the various styles:
- forward bar/mumble/name quux/mumble/name
- reverse name\\mumble\\bar name\\mumble\\quux
- post-forward name|bar/mumble name|quux/mumble
- post-forward-angle-brackets name<bar/mumble> name<quux/mumble>
- nil name name<2>
-Of course, the \"mumble\" part may be stripped as well, depending on the setting
-of `uniquify-strip-common-suffix'."
+
+ forward bar/mumble/name quux/mumble/name
+ reverse name\\mumble\\bar name\\mumble\\quux
+ post-forward name|bar/mumble name|quux/mumble
+ post-forward-angle-brackets name<bar/mumble> name<quux/mumble>
+ nil name name<2>
+
+The \"mumble\" part may be stripped as well, depending on the
+setting of `uniquify-strip-common-suffix'. For more options that
+you can set, browse the `uniquify' custom group."
:type '(radio (const forward)
(const reverse)
(const post-forward)
(const post-forward-angle-brackets)
- (const :tag "standard Emacs behavior (nil)" nil))
+ (const :tag "numeric suffixes" nil))
+ :version "24.4"
:require 'uniquify
:group 'uniquify)
;;; Utilities
;; uniquify-fix-list data structure
-(defstruct (uniquify-item
+(cl-defstruct (uniquify-item
(:constructor nil) (:copier nil)
(:constructor uniquify-make-item
(base dirname buffer &optional proposed)))
;; Internal variables used free
(defvar uniquify-possibly-resolvable nil)
-(defvar uniquify-managed nil
+(defvar-local uniquify-managed nil
"Non-nil if the name of this buffer is managed by uniquify.
It actually holds the list of `uniquify-item's corresponding to the conflict.")
-(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-get-proposed-name (base dirname &optional depth)
(unless depth (setq depth uniquify-min-dir-content))
- (assert (equal (directory-file-name dirname) dirname)) ;No trailing slash.
+ (cl-assert (equal (directory-file-name dirname) dirname)) ;No trailing slash.
;; Distinguish directories by adding extra separator.
(if (and uniquify-trailing-separator-p
;; rename-buffer and create-file-buffer. (Setting find-file-hook isn't
;; sufficient.)
-(defadvice rename-buffer (after rename-buffer-uniquify activate)
+(advice-add 'rename-buffer :around #'uniquify--rename-buffer-advice)
+(defun uniquify--rename-buffer-advice (rb-fun newname &optional unique &rest args)
"Uniquify buffer names with parts of directory name."
+ (let ((retval (apply rb-fun newname unique args)))
(uniquify-maybe-rerationalize-w/o-cb)
- (if (null (ad-get-arg 1)) ; no UNIQUE argument.
+ (if (null unique)
;; Mark this buffer so it won't be renamed by uniquify.
(setq uniquify-managed nil)
(when uniquify-buffer-name-style
;; Rerationalize w.r.t the new name.
(uniquify-rationalize-file-buffer-names
- (ad-get-arg 0)
+ newname
(uniquify-buffer-file-name (current-buffer))
(current-buffer))
- (setq ad-return-value (buffer-name (current-buffer))))))
+ (setq retval (buffer-name (current-buffer)))))
+ retval))
+
-(defadvice create-file-buffer (after create-file-buffer-uniquify activate)
+(advice-add 'create-file-buffer :around #'uniquify--create-file-buffer-advice)
+(defun uniquify--create-file-buffer-advice (cfb-fun filename &rest args)
"Uniquify buffer names with parts of directory name."
+ (let ((retval (apply cfb-fun filename args)))
(if uniquify-buffer-name-style
- (let ((filename (expand-file-name (directory-file-name (ad-get-arg 0)))))
+ (let ((filename (expand-file-name (directory-file-name filename))))
(uniquify-rationalize-file-buffer-names
(file-name-nondirectory filename)
- (file-name-directory filename) ad-return-value))))
+ (file-name-directory filename) retval)))
+ retval))
;;; The End
(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))
+ (advice-remove 'rename-buffer #'uniquify--rename-buffer-advice)
+ (advice-remove 'create-file-buffer #'uniquify--create-file-buffer-advice)
(dolist (buf buffers)
(set-buffer (car buf))
(rename-buffer (cdr buf) t))))
(provide 'uniquify)
-;; arch-tag: e763faa3-56c9-4903-8eb8-26e1c45a0065
;;; uniquify.el ends here