- (old-name "")
- proposed-name uniquify-possibly-resolvable)
- (while fix-list
- (let ((item (car fix-list)))
- (setq proposed-name (uniquify-get-proposed-name item depth))
- (if (not (equal proposed-name old-name))
- (progn
- (uniquify-rationalize-conflicting-sublist
- conflicting-sublist old-name depth)
- (setq conflicting-sublist nil)))
- (push item conflicting-sublist)
- (setq old-name proposed-name))
- (setq fix-list (cdr fix-list)))
- (uniquify-rationalize-conflicting-sublist
- conflicting-sublist old-name depth)))
-
-(defun uniquify-get-proposed-name (item depth)
- (let (index
- (extra-string "")
- (n depth)
- (base (uniquify-fix-item-base item))
- (fn (uniquify-fix-item-filename item)))
- (while (and (> n 0)
- (setq index (string-match
- (concat "\\(^\\|/[^/]*\\)/"
- (regexp-quote extra-string)
- (regexp-quote base)
- "\\'")
- fn)))
- (setq extra-string (substring fn
- (if (zerop index) 0 (1+ index))
- ;; (- (length base)) fails for base = "".
- ;; Equivalently, we could have used
- ;; (apply 'substring ...
- ;; (and (not (string= "" base))
- ;; (list (- (length base)))))
- (- (length fn) (length base)))
- n (1- n)))
- (if (zerop n) (setq uniquify-possibly-resolvable t))
-
-
- ;; Distinguish directories by adding extra separator.
- (if (and uniquify-trailing-separator-p
- (file-directory-p fn)
- (not (string-equal base "")))
- (cond ((eq uniquify-buffer-name-style 'forward)
- (setq base (concat base "/")))
- ((eq uniquify-buffer-name-style 'reverse)
- (setq base (concat (or uniquify-separator "\\") base)))))
-
- ;; Trim trailing separator on directory part
- (if (and (not (string-equal extra-string ""))
- (or (eq uniquify-buffer-name-style 'post-forward)
- (eq uniquify-buffer-name-style 'post-forward-angle-brackets)))
- (setq extra-string (substring extra-string 0
- (- (length extra-string) 1))))
-
- (cond ((string-equal extra-string "")
- base)
- ((string-equal base "")
- extra-string)
- ((eq uniquify-buffer-name-style 'forward)
- (concat extra-string base))
- ((eq uniquify-buffer-name-style 'reverse)
- (concat base (uniquify-reverse-components extra-string)))
- ((eq uniquify-buffer-name-style 'post-forward)
- (concat base (or uniquify-separator "|") extra-string))
- ((eq uniquify-buffer-name-style 'post-forward-angle-brackets)
- (concat base "<" extra-string ">"))
- (t (error "Bad value for uniquify-buffer-name-style: %s"
- uniquify-buffer-name-style)))))
+ (old-proposed "")
+ 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))
+ (setq proposed (uniquify-item-proposed item))
+ (unless (equal proposed old-proposed)
+ (uniquify-rationalize-conflicting-sublist conflicting-sublist
+ old-proposed depth)
+ (setq conflicting-sublist nil))
+ (push item conflicting-sublist)
+ (setq old-proposed proposed))
+ (uniquify-rationalize-conflicting-sublist conflicting-sublist
+ old-proposed depth)))
+
+(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.
+
+ ;; Distinguish directories by adding extra separator.
+ (if (and uniquify-trailing-separator-p
+ (file-directory-p (expand-file-name base dirname))
+ (not (string-equal base "")))
+ (cond ((eq uniquify-buffer-name-style 'forward)
+ (setq base (file-name-as-directory base)))
+ ;; (setq base (concat base "/")))
+ ((eq uniquify-buffer-name-style 'reverse)
+ (setq base (concat (or uniquify-separator "\\") base)))))
+
+ (let ((extra-string nil)
+ (n depth))
+ (while (and (> n 0) dirname)
+ (let ((file (file-name-nondirectory dirname)))
+ (when (setq dirname (file-name-directory dirname))
+ (setq dirname (directory-file-name dirname)))
+ (setq n (1- n))
+ (push (if (zerop (length file)) ;nil or "".
+ (prog1 "" (setq dirname nil)) ;Could be `dirname' iso "".
+ file)
+ extra-string)))
+ (when (zerop n)
+ (if (and dirname extra-string
+ (equal dirname (file-name-directory dirname)))
+ ;; We're just before the root. Let's add the leading / already.
+ ;; With "/a/b"+"/c/d/b" this leads to "/a/b" and "d/b" but with
+ ;; "/a/b"+"/c/a/b" this leads to "/a/b" and "a/b".
+ (push "" extra-string))
+ (setq uniquify-possibly-resolvable t))
+
+ (cond
+ ((null extra-string) base)
+ ((string-equal base "") ;Happens for dired buffers on the root directory.
+ (mapconcat 'identity extra-string "/"))
+ ((eq uniquify-buffer-name-style 'reverse)
+ (mapconcat 'identity
+ (cons base (nreverse extra-string))
+ (or uniquify-separator "\\")))
+ ((eq uniquify-buffer-name-style 'forward)
+ (mapconcat 'identity (nconc extra-string (list base))
+ "/"))
+ ((eq uniquify-buffer-name-style 'post-forward)
+ (concat base (or uniquify-separator "|")
+ (mapconcat 'identity extra-string "/")))
+ ((eq uniquify-buffer-name-style 'post-forward-angle-brackets)
+ (concat base "<" (mapconcat 'identity extra-string "/")
+ ">"))
+ (t (error "Bad value for uniquify-buffer-name-style: %s"
+ uniquify-buffer-name-style)))))