(file-name-directory (directory-file-name dir)))
;; Create an alist with all buffers from LIST that lies under the same
-;; directory will be in the same item as the directory string.
-;; ((PATH1 . (BUFFER-1 BUFFER-2 ...)) (PATH2 . (BUFFER-K BUFFER-K+1...)) ...)
+;; directory will be in the same item as the directory name.
+;; ((DIR1 . (BUFFER-1 BUFFER-2 ...)) (DIR2 . (BUFFER-K BUFFER-K+1...)) ...)
(defun msb--init-file-alist (list)
(let ((buffer-alist
;; Make alist that looks like
- ;; ((PATH-1 BUFFER-1) (PATH-2 BUFFER-2) ...)
- ;; sorted on PATH-x
+ ;; ((DIR-1 BUFFER-1) (DIR-2 BUFFER-2) ...)
+ ;; sorted on DIR-x
(sort
(apply #'nconc
(mapcar
list))
(lambda (item1 item2)
(string< (car item1) (car item2))))))
- ;; Now clump buffers together that have the same path
+ ;; Now clump buffers together that have the same directory name
;; Make alist that looks like
- ;; ((PATH1 . (BUFFER-1 BUFFER-2 ...)) (PATH2 . (BUFFER-K)) ...)
- (let ((path nil)
+ ;; ((DIR1 . (BUFFER-1 BUFFER-2 ...)) (DIR2 . (BUFFER-K)) ...)
+ (let ((dir nil)
(buffers nil))
(nconc
(apply
#'nconc
(mapcar (lambda (item)
(cond
- ((equal path (car item))
- ;; The same path as earlier: Add to current list of
- ;; buffers.
+ ((equal dir (car item))
+ ;; The same dir as earlier:
+ ;; Add to current list of buffers.
(push (cdr item) buffers)
;; This item should not be added to list
nil)
(t
- ;; New path
- (let ((result (and path (cons path buffers))))
- (setq path (car item))
+ ;; New dir
+ (let ((result (and dir (cons dir buffers))))
+ (setq dir (car item))
(setq buffers (list (cdr item)))
;; Add the last result the list.
(and result (list result))))))
buffer-alist))
;; Add the last result to the list
- (list (cons path buffers))))))
+ (list (cons dir buffers))))))
-(defun msb--format-title (top-found-p path number-of-items)
+(defun msb--format-title (top-found-p dir number-of-items)
"Format a suitable title for the menu item."
(format (if top-found-p "%s... (%d)" "%s (%d)")
- (abbreviate-file-name path) number-of-items))
+ (abbreviate-file-name dir) number-of-items))
;; Variables for debugging.
(defvar msb--choose-file-menu-list)
msb-max-file-menu-items
10))
(top-found-p nil)
- (last-path nil)
- first rest path buffers old-path)
+ (last-dir nil)
+ first rest dir buffers old-dir)
;; Prepare for looping over all items in buffer-alist
(setq first (car buffer-alist)
rest (cdr buffer-alist)
- path (car first)
+ dir (car first)
buffers (cdr first))
(setq msb--choose-file-menu-list (copy-sequence rest))
;; This big loop tries to clump buffers together that have a
;; similar name. Remember that buffer-alist is sorted based on the
- ;; path for the buffers.
+ ;; directory name of the buffers' visited files.
(while rest
(let ((found-p nil)
(tmp-rest rest)
result
- new-path item)
+ new-dir item)
(setq item (car tmp-rest))
- ;; Clump together the "rest"-buffers that have a path that is
- ;; a subpath of the current one.
+ ;; Clump together the "rest"-buffers that have a dir that is
+ ;; a subdir of the current one.
(while (and tmp-rest
(<= (length buffers) max-clumped-together)
- (>= (length (car item)) (length path))
+ (>= (length (car item)) (length dir))
;; `completion-ignore-case' seems to default to t
;; on the systems with case-insensitive file names.
- (eq t (compare-strings path 0 nil
- (car item) 0 (length path)
+ (eq t (compare-strings dir 0 nil
+ (car item) 0 (length dir)
completion-ignore-case)))
(setq found-p t)
(setq buffers (append buffers (cdr item))) ;nconc is faster than append
((> (length buffers) max-clumped-together)
;; Oh, we failed. Too many buffers clumped together.
;; Just use the original ones for the result.
- (setq last-path (car first))
+ (setq last-dir (car first))
(push (cons (msb--format-title top-found-p
(car first)
(length (cdr first)))
(setq top-found-p nil)
(setq first (car rest)
rest (cdr rest)
- path (car first)
+ dir (car first)
buffers (cdr first)))
(t
;; The first pass of clumping together worked out, go ahead
;; with this result.
(when found-p
(setq top-found-p t)
- (setq first (cons path buffers)
+ (setq first (cons dir buffers)
rest tmp-rest))
;; Now see if we can clump more buffers together if we go up
;; one step in the file hierarchy.
- ;; If path isn't changed by msb--strip-dir, we are looking
+ ;; If dir isn't changed by msb--strip-dir, we are looking
;; at the machine name component of an ange-ftp filename.
- (setq old-path path)
- (setq path (msb--strip-dir path)
+ (setq old-dir dir)
+ (setq dir (msb--strip-dir dir)
buffers (cdr first))
- (if (equal old-path path)
- (setq last-path path))
- (when (and last-path
- (or (and (>= (length path) (length last-path))
+ (if (equal old-dir dir)
+ (setq last-dir dir))
+ (when (and last-dir
+ (or (and (>= (length dir) (length last-dir))
(eq t (compare-strings
- last-path 0 nil path 0
- (length last-path)
+ last-dir 0 nil dir 0
+ (length last-dir)
completion-ignore-case)))
- (and (< (length path) (length last-path))
+ (and (< (length dir) (length last-dir))
(eq t (compare-strings
- path 0 nil last-path 0 (length path)
+ dir 0 nil last-dir 0 (length dir)
completion-ignore-case)))))
;; We have reached the same place in the file hierarchy as
;; the last result, so we should quit at this point and
(setq top-found-p nil)
(setq first (car rest)
rest (cdr rest)
- path (car first)
+ dir (car first)
buffers (cdr first)))))))
;; Now take care of the last item.
(when first
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