1 ;;; ibuf-ext.el --- extensions for ibuffer
3 ;; Copyright (C) 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Colin Walters <walters@verbum.org>
7 ;; Maintainer: John Paul Wallington <jpw@gnu.org>
9 ;; Keywords: buffer, convenience
11 ;; This file is part of GNU Emacs.
13 ;; This program is free software; you can redistribute it and/or
14 ;; modify it under the terms of the GNU General Public License as
15 ;; published by the Free Software Foundation; either version 2, or (at
16 ;; your option) any later version.
18 ;; This program is distributed in the hope that it will be useful, but
19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 ;; General Public License for more details.
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with this program ; see the file COPYING. If not, write to
25 ;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
26 ;; Boston, MA 02110-1301, USA.
30 ;; These functions should be automatically loaded when called, but you
31 ;; can explicity (require 'ibuf-ext) in your ~/.emacs to have them
43 (defun ibuffer-delete-alist (key alist)
44 "Delete all entries in ALIST that have a key equal to KEY."
46 (while (setq entry (assoc key alist))
47 (setq alist (delete entry alist)))
51 (defun ibuffer-remove-duplicates (list)
52 "Return a copy of LIST with duplicate elements removed."
56 (or (member (car tail) new)
57 (setq new (cons (car tail) new)))
58 (setq tail (cdr tail)))
61 (defun ibuffer-split-list (ibuffer-split-list-fn ibuffer-split-list-elts)
64 (dolist (ibuffer-split-list-elt ibuffer-split-list-elts)
65 (if (funcall ibuffer-split-list-fn ibuffer-split-list-elt)
66 (push ibuffer-split-list-elt hip-crowd)
67 (push ibuffer-split-list-elt lamers)))
68 ;; Too bad Emacs Lisp doesn't have multiple values.
69 (list (nreverse hip-crowd) (nreverse lamers))))
71 (defcustom ibuffer-never-show-predicates nil
72 "A list of predicates (a regexp or function) for buffers not to display.
73 If a regexp, then it will be matched against the buffer's name.
74 If a function, it will be called with the buffer as an argument, and
75 should return non-nil if this buffer should not be shown."
76 :type '(repeat (choice regexp function))
80 (defcustom ibuffer-always-show-predicates nil
81 "A list of predicates (a regexp or function) for buffers to always display.
82 If a regexp, then it will be matched against the buffer's name.
83 If a function, it will be called with the buffer as an argument, and
84 should return non-nil if this buffer should be shown.
85 Note that buffers matching one of these predicates will be shown
86 regardless of any active filters in this buffer."
87 :type '(repeat (choice regexp function))
90 (defvar ibuffer-tmp-hide-regexps nil
91 "A list of regexps which should match buffer names to not show.")
93 (defvar ibuffer-tmp-show-regexps nil
94 "A list of regexps which should match buffer names to always show.")
96 (defvar ibuffer-auto-mode nil
97 "If non-nil, Ibuffer auto-mode should be enabled for this buffer.
98 Do not set this variable directly! Use the function
99 `ibuffer-auto-mode' instead.")
101 (defvar ibuffer-auto-buffers-changed nil)
103 (defcustom ibuffer-saved-filters '(("gnus"
104 ((or (mode . message-mode)
106 (mode . gnus-group-mode)
107 (mode . gnus-summary-mode)
108 (mode . gnus-article-mode))))
110 ((or (mode . emacs-lisp-mode)
115 (mode . lisp-mode)))))
117 "An alist of filter qualifiers to switch between.
119 This variable should look like ((\"STRING\" QUALIFIERS)
120 (\"STRING\" QUALIFIERS) ...), where
121 QUALIFIERS is a list of the same form as
122 `ibuffer-filtering-qualifiers'.
123 See also the variables `ibuffer-filtering-qualifiers',
124 `ibuffer-filtering-alist', and the functions
125 `ibuffer-switch-to-saved-filters', `ibuffer-save-filters'."
129 (defvar ibuffer-filtering-qualifiers nil
130 "A list like (SYMBOL . QUALIFIER) which filters the current buffer list.
131 See also `ibuffer-filtering-alist'.")
133 ;; This is now frobbed by `define-ibuffer-filter'.
134 (defvar ibuffer-filtering-alist nil
135 "An alist of (SYMBOL DESCRIPTION FUNCTION) which describes a filter.
137 You most likely do not want to modify this variable directly; see
138 `define-ibuffer-filter'.
140 SYMBOL is the symbolic name of the filter. DESCRIPTION is used when
141 displaying information to the user. FUNCTION is given a buffer and
142 the value of the qualifier, and returns non-nil if and only if the
143 buffer should be displayed.")
145 (defcustom ibuffer-filter-format-alist nil
146 "An alist which has special formats used when a filter is active.
147 The contents of this variable should look like:
148 ((FILTER (FORMAT FORMAT ...)) (FILTER (FORMAT FORMAT ...)) ...)
150 For example, suppose that when you add a filter for buffers whose
151 major mode is `emacs-lisp-mode', you only want to see the mark and the
152 name of the buffer. You could accomplish that by adding:
153 (mode ((mark \" \" name)))
155 :type '(repeat (list :tag "Association" (symbol :tag "Filter")
156 (list :tag "Formats" (repeat (sexp :tag "Format")))))
159 (defvar ibuffer-cached-filter-formats nil)
160 (defvar ibuffer-compiled-filter-formats nil)
162 (defvar ibuffer-filter-groups nil
163 "A list like ((\"NAME\" ((SYMBOL . QUALIFIER) ...) ...) which groups buffers.
164 The SYMBOL should be one from `ibuffer-filtering-alist'.
165 The QUALIFIER should be the same as QUALIFIER in
166 `ibuffer-filtering-qualifiers'.")
168 (defcustom ibuffer-show-empty-filter-groups t
169 "If non-nil, then show the names of filter groups which are empty."
173 (defcustom ibuffer-saved-filter-groups nil
174 "An alist of filtering groups to switch between.
176 This variable should look like ((\"STRING\" QUALIFIERS)
177 (\"STRING\" QUALIFIERS) ...), where
178 QUALIFIERS is a list of the same form as
179 `ibuffer-filtering-qualifiers'.
181 See also the variables `ibuffer-filter-groups',
182 `ibuffer-filtering-qualifiers', `ibuffer-filtering-alist', and the
183 functions `ibuffer-switch-to-saved-filter-group',
184 `ibuffer-save-filter-group'."
188 (defvar ibuffer-hidden-filter-groups nil
189 "A list of filtering groups which are currently hidden.")
191 (defvar ibuffer-filter-group-kill-ring nil)
193 (defcustom ibuffer-old-time 72
194 "The number of hours before a buffer is considered \"old\"."
195 :type '(choice (const :tag "72 hours (3 days)" 72)
196 (const :tag "48 hours (2 days)" 48)
197 (const :tag "24 hours (1 day)" 24)
198 (integer :tag "hours"))
201 (defcustom ibuffer-save-with-custom t
202 "If non-nil, then use Custom to save interactively changed variables.
203 Currently, this only applies to `ibuffer-saved-filters' and
204 `ibuffer-saved-filter-groups'."
208 (defun ibuffer-ext-visible-p (buf all &optional ibuffer-buf)
210 (ibuffer-buf-matches-predicates buf ibuffer-tmp-show-regexps)
213 (ibuffer-buf-matches-predicates buf ibuffer-tmp-hide-regexps)
214 (ibuffer-buf-matches-predicates buf ibuffer-never-show-predicates)))
217 (ibuffer-buf-matches-predicates buf ibuffer-maybe-show-predicates)))
218 (or ibuffer-view-ibuffer
220 (not (eq ibuffer-buf buf))))
222 (ibuffer-included-in-filters-p buf ibuffer-filtering-qualifiers)
223 (ibuffer-buf-matches-predicates buf ibuffer-always-show-predicates)))))
225 (defun ibuffer-auto-update-changed ()
226 (when (frame-or-buffer-changed-p 'ibuffer-auto-buffers-changed)
227 (mapcar #'(lambda (buf)
229 (with-current-buffer buf
230 (when (and ibuffer-auto-mode
231 (eq major-mode 'ibuffer-mode))
232 (ibuffer-update nil t)))))
236 (defun ibuffer-auto-mode (&optional arg)
237 "Toggle use of Ibuffer's auto-update facility.
238 With numeric ARG, enable auto-update if and only if ARG is positive."
240 (unless (eq major-mode 'ibuffer-mode)
241 (error "This buffer is not in Ibuffer mode"))
242 (set (make-local-variable 'ibuffer-auto-mode)
245 (not ibuffer-auto-mode)))
246 (frame-or-buffer-changed-p 'ibuffer-auto-buffers-changed)
247 (add-hook 'post-command-hook 'ibuffer-auto-update-changed)
248 (ibuffer-update-mode-name))
251 (defun ibuffer-mouse-filter-by-mode (event)
252 "Enable or disable filtering by the major mode chosen via mouse."
254 (ibuffer-interactive-filter-by-mode event))
257 (defun ibuffer-interactive-filter-by-mode (event-or-point)
258 "Enable or disable filtering by the major mode at point."
260 (if (eventp event-or-point)
261 (posn-set-point (event-end event-or-point))
262 (goto-char event-or-point))
263 (let ((buf (ibuffer-current-buffer)))
264 (if (assq 'mode ibuffer-filtering-qualifiers)
265 (setq ibuffer-filtering-qualifiers
266 (ibuffer-delete-alist 'mode ibuffer-filtering-qualifiers))
267 (ibuffer-push-filter (cons 'mode
268 (with-current-buffer buf
270 (ibuffer-update nil t))
273 (defun ibuffer-mouse-toggle-filter-group (event)
274 "Toggle the display status of the filter group chosen with the mouse."
276 (ibuffer-toggle-filter-group-1 (save-excursion
277 (mouse-set-point event)
281 (defun ibuffer-toggle-filter-group ()
282 "Toggle the display status of the filter group on this line."
284 (ibuffer-toggle-filter-group-1 (point)))
286 (defun ibuffer-toggle-filter-group-1 (posn)
287 (let ((name (get-text-property posn 'ibuffer-filter-group-name)))
288 (unless (stringp name)
289 (error "No filtering group name present"))
290 (if (member name ibuffer-hidden-filter-groups)
291 (setq ibuffer-hidden-filter-groups
292 (delete name ibuffer-hidden-filter-groups))
293 (push name ibuffer-hidden-filter-groups))
294 (ibuffer-update nil t)))
297 (defun ibuffer-forward-filter-group (&optional count)
298 "Move point forwards by COUNT filtering groups."
303 (when (get-text-property (point) 'ibuffer-filter-group-name)
304 (goto-char (next-single-property-change
305 (point) 'ibuffer-filter-group-name
307 (goto-char (next-single-property-change
308 (point) 'ibuffer-filter-group-name
310 (ibuffer-forward-filter-group (1- count)))
311 (ibuffer-forward-line 0))
314 (defun ibuffer-backward-filter-group (&optional count)
315 "Move point backwards by COUNT filtering groups."
320 (when (get-text-property (point) 'ibuffer-filter-group-name)
321 (goto-char (previous-single-property-change
322 (point) 'ibuffer-filter-group-name
324 (goto-char (previous-single-property-change
325 (point) 'ibuffer-filter-group-name
327 (ibuffer-backward-filter-group (1- count)))
328 (when (= (point) (point-min))
329 (goto-char (point-max))
330 (ibuffer-backward-filter-group 1))
331 (ibuffer-forward-line 0))
333 ;;;###autoload (autoload 'ibuffer-do-shell-command-pipe "ibuf-ext")
334 (define-ibuffer-op shell-command-pipe (command)
335 "Pipe the contents of each marked buffer to shell command COMMAND."
336 (:interactive "sPipe to shell command: "
337 :opstring "Shell command executed on"
339 (shell-command-on-region
340 (point-min) (point-max) command
341 (get-buffer-create "* ibuffer-shell-output*")))
343 ;;;###autoload (autoload 'ibuffer-do-shell-command-pipe-replace "ibuf-ext")
344 (define-ibuffer-op shell-command-pipe-replace (command)
345 "Replace the contents of marked buffers with output of pipe to COMMAND."
346 (:interactive "sPipe to shell command (replace): "
347 :opstring "Buffer contents replaced in"
348 :active-opstring "replace buffer contents in"
351 (with-current-buffer buf
352 (shell-command-on-region (point-min) (point-max)
355 ;;;###autoload (autoload 'ibuffer-do-shell-command-file "ibuf-ext")
356 (define-ibuffer-op shell-command-file (command)
357 "Run shell command COMMAND separately on files of marked buffers."
358 (:interactive "sShell command on buffer's file: "
359 :opstring "Shell command executed on"
361 (shell-command (concat command " "
362 (shell-quote-argument
366 (substring (buffer-name) 0 (min 10 (length (buffer-name))))))))))
368 ;;;###autoload (autoload 'ibuffer-do-eval "ibuf-ext")
369 (define-ibuffer-op eval (form)
370 "Evaluate FORM in each of the buffers.
371 Does not display the buffer during evaluation. See
372 `ibuffer-do-view-and-eval' for that."
375 (read-from-minibuffer
376 "Eval in buffers (form): "
377 nil read-expression-map t 'read-expression-history))
378 :opstring "evaluated in"
382 ;;;###autoload (autoload 'ibuffer-do-view-and-eval "ibuf-ext")
383 (define-ibuffer-op view-and-eval (form)
384 "Evaluate FORM while displaying each of the marked buffers.
385 To evaluate a form without viewing the buffer, see `ibuffer-do-eval'."
388 (read-from-minibuffer
389 "Eval viewing in buffers (form): "
390 nil read-expression-map t 'read-expression-history))
391 :opstring "evaluated in"
394 (let ((ibuffer-buf (current-buffer)))
397 (switch-to-buffer buf)
399 (switch-to-buffer ibuffer-buf))))
401 ;;;###autoload (autoload 'ibuffer-do-rename-uniquely "ibuf-ext")
402 (define-ibuffer-op rename-uniquely ()
403 "Rename marked buffers as with `rename-uniquely'."
408 ;;;###autoload (autoload 'ibuffer-do-revert "ibuf-ext")
409 (define-ibuffer-op revert ()
410 "Revert marked buffers as with `revert-buffer'."
413 :active-opstring "revert"
417 ;;;###autoload (autoload 'ibuffer-do-replace-regexp "ibuf-ext")
418 (define-ibuffer-op replace-regexp (from-str to-str)
419 "Perform a `replace-regexp' in marked buffers."
421 (let* ((from-str (read-from-minibuffer "Replace regexp: "))
422 (to-str (read-from-minibuffer (concat "Replace " from-str
424 (list from-str to-str))
425 :opstring "replaced in"
428 (save-window-excursion
429 (switch-to-buffer buf)
431 (goto-char (point-min))
432 (let ((case-fold-search ibuffer-case-fold-search))
433 (while (re-search-forward from-str nil t)
434 (replace-match to-str))))
437 ;;;###autoload (autoload 'ibuffer-do-query-replace "ibuf-ext")
438 (define-ibuffer-op query-replace (&rest args)
439 "Perform a `query-replace' in marked buffers."
441 (query-replace-read-args "Query replace" t t)
442 :opstring "replaced in"
445 (save-window-excursion
446 (switch-to-buffer buf)
448 (let ((case-fold-search ibuffer-case-fold-search))
449 (goto-char (point-min))
450 (apply #'query-replace args)))
453 ;;;###autoload (autoload 'ibuffer-do-query-replace-regexp "ibuf-ext")
454 (define-ibuffer-op query-replace-regexp (&rest args)
455 "Perform a `query-replace-regexp' in marked buffers."
457 (query-replace-read-args "Query replace regexp" t t)
458 :opstring "replaced in"
461 (save-window-excursion
462 (switch-to-buffer buf)
464 (let ((case-fold-search ibuffer-case-fold-search))
465 (goto-char (point-min))
466 (apply #'query-replace-regexp args)))
469 ;;;###autoload (autoload 'ibuffer-do-print "ibuf-ext")
470 (define-ibuffer-op print ()
471 "Print marked buffers as with `print-buffer'."
477 (defun ibuffer-included-in-filters-p (buf filters)
479 (memq nil ;; a filter will return nil if it failed
481 ;; filter should be like (TYPE . QUALIFIER), or
482 ;; (or (TYPE . QUALIFIER) (TYPE . QUALIFIER) ...)
484 (ibuffer-included-in-filter-p buf qual))
487 (defun ibuffer-included-in-filter-p (buf filter)
488 (if (eq (car filter) 'not)
489 (not (ibuffer-included-in-filter-p-1 buf (cdr filter)))
490 (ibuffer-included-in-filter-p-1 buf filter)))
492 (defun ibuffer-included-in-filter-p-1 (buf filter)
497 (memq t (mapcar #'(lambda (x)
498 (ibuffer-included-in-filter-p buf x))
503 ibuffer-saved-filters)))
505 (ibuffer-filter-disable)
506 (error "Unknown saved filter %s" (cdr filter)))
507 (ibuffer-included-in-filters-p buf (cadr data))))
509 (let ((filterdat (assq (car filter)
510 ibuffer-filtering-alist)))
511 ;; filterdat should be like (TYPE DESCRIPTION FUNC)
512 ;; just a sanity check
514 (ibuffer-filter-disable)
515 (error "Undefined filter %s" (car filter)))
518 (funcall (caddr filterdat)
520 (cdr filter))))))))))
522 (defun ibuffer-generate-filter-groups (bmarklist &optional noempty nodefault)
523 (let ((filter-group-alist (if nodefault
524 ibuffer-filter-groups
525 (append ibuffer-filter-groups
526 (list (cons "Default" nil))))))
527 ;; (dolist (hidden ibuffer-hidden-filter-groups)
528 ;; (setq filter-group-alist (ibuffer-delete-alist
529 ;; hidden filter-group-alist)))
530 (let ((vec (make-vector (length filter-group-alist) nil))
532 (dolist (filtergroup filter-group-alist)
533 (let ((filterset (cdr filtergroup)))
534 (multiple-value-bind (hip-crowd lamers)
535 (ibuffer-split-list (lambda (bufmark)
536 (ibuffer-included-in-filters-p (car bufmark)
539 (aset vec i hip-crowd)
541 (setq bmarklist lamers))))
544 (let ((bufs (aref vec j)))
545 (unless (and noempty (null bufs))
546 (push (cons (car (nth j filter-group-alist))
551 (defun ibuffer-filters-to-filter-group (name)
552 "Make the current filters into a filtering group."
553 (interactive "sName for filtering group: ")
554 (when (null ibuffer-filtering-qualifiers)
555 (error "No filters in effect"))
556 (push (cons name ibuffer-filtering-qualifiers) ibuffer-filter-groups)
557 (ibuffer-filter-disable))
560 (defun ibuffer-set-filter-groups-by-mode ()
561 "Set the current filter groups to filter by mode."
563 (setq ibuffer-filter-groups
564 (mapcar (lambda (mode)
565 (cons (format "%s" mode) `((mode . ,mode))))
567 (ibuffer-remove-duplicates
568 (mapcar (lambda (buf)
569 (with-current-buffer buf major-mode))
571 (if ibuffer-view-ibuffer
573 (delq 'ibuffer-mode modes)))))
574 (ibuffer-update nil t))
577 (defun ibuffer-pop-filter-group ()
578 "Remove the first filter group."
580 (when (null ibuffer-filter-groups)
581 (error "No filter groups active"))
582 (setq ibuffer-hidden-filter-groups
583 (delete (pop ibuffer-filter-groups)
584 ibuffer-hidden-filter-groups))
585 (ibuffer-update nil t))
587 (defun ibuffer-read-filter-group-name (msg &optional nodefault noerror)
588 (when (and (not noerror) (null ibuffer-filter-groups))
589 (error "No filter groups active"))
590 ;; `ibuffer-generate-filter-groups' returns all non-hidden filter
591 ;; groups, possibly excluding empty groups or Default.
592 ;; We add `ibuffer-hidden-filter-groups' to the list, excluding
593 ;; Default if necessary.
594 (completing-read msg (nconc
595 (ibuffer-generate-filter-groups
596 (ibuffer-current-state-list)
597 (not ibuffer-show-empty-filter-groups)
600 (remove "Default" ibuffer-hidden-filter-groups)
601 ibuffer-hidden-filter-groups))
605 (defun ibuffer-decompose-filter-group (group)
606 "Decompose the filter group GROUP into active filters."
608 (list (ibuffer-read-filter-group-name "Decompose filter group: " t)))
609 (let ((data (cdr (assoc group ibuffer-filter-groups))))
610 (setq ibuffer-filter-groups (ibuffer-delete-alist
611 group ibuffer-filter-groups)
612 ibuffer-filtering-qualifiers data))
613 (ibuffer-update nil t))
616 (defun ibuffer-clear-filter-groups ()
617 "Remove all filter groups."
619 (setq ibuffer-filter-groups nil
620 ibuffer-hidden-filter-groups nil)
621 (ibuffer-update nil t))
623 (defun ibuffer-current-filter-groups-with-position ()
625 (goto-char (point-min))
628 (while (and (not (eobp))
629 (setq pos (next-single-property-change
630 (point) 'ibuffer-filter-group-name)))
632 (push (cons (get-text-property (point) 'ibuffer-filter-group-name)
635 (goto-char (next-single-property-change
636 pos 'ibuffer-filter-group-name)))
640 (defun ibuffer-jump-to-filter-group (name)
641 "Move point to the filter group whose name is NAME."
643 (list (ibuffer-read-filter-group-name "Jump to filter group: ")))
644 (ibuffer-aif (assoc name (ibuffer-current-filter-groups-with-position))
646 (error "No filter group with name %s" name)))
649 (defun ibuffer-kill-filter-group (name)
650 "Kill the filter group named NAME.
651 The group will be added to `ibuffer-filter-group-kill-ring'."
652 (interactive (list (ibuffer-read-filter-group-name "Kill filter group: " t)))
653 (when (equal name "Default")
654 (error "Can't kill default filter group"))
655 (ibuffer-aif (assoc name ibuffer-filter-groups)
657 (push (copy-tree it) ibuffer-filter-group-kill-ring)
658 (setq ibuffer-filter-groups (ibuffer-delete-alist
659 name ibuffer-filter-groups))
660 (setq ibuffer-hidden-filter-groups
661 (delete name ibuffer-hidden-filter-groups)))
662 (error "No filter group with name \"%s\"" name))
663 (ibuffer-update nil t))
666 (defun ibuffer-kill-line (&optional arg interactive-p)
667 "Kill the filter group at point.
668 See also `ibuffer-kill-filter-group'."
670 (ibuffer-aif (save-excursion
671 (ibuffer-forward-line 0)
672 (get-text-property (point) 'ibuffer-filter-group-name))
674 (ibuffer-kill-filter-group it))
675 (funcall (if interactive-p #'call-interactively #'funcall)
678 (defun ibuffer-insert-filter-group-before (newgroup group)
680 (pos (let ((groups (mapcar #'car ibuffer-filter-groups))
683 (if (equal (car groups) group)
687 (setq groups (cdr groups))))
690 (setq ibuffer-filter-groups
691 (nconc ibuffer-filter-groups (list newgroup))))
693 (push newgroup ibuffer-filter-groups))
695 (let ((cell (nthcdr pos ibuffer-filter-groups)))
696 (setf (cdr cell) (cons (car cell) (cdr cell)))
697 (setf (car cell) newgroup))))))
700 (defun ibuffer-yank ()
701 "Yank the last killed filter group before group at point."
703 (ibuffer-yank-filter-group
704 (or (get-text-property (point) 'ibuffer-filter-group-name)
705 (get-text-property (point) 'ibuffer-filter-group)
706 (error "No filter group at point"))))
709 (defun ibuffer-yank-filter-group (name)
710 "Yank the last killed filter group before group named NAME."
711 (interactive (list (ibuffer-read-filter-group-name
712 "Yank filter group before group: ")))
713 (unless ibuffer-filter-group-kill-ring
714 (error "The Ibuffer filter group kill-ring is empty"))
716 (ibuffer-forward-line 0)
717 (ibuffer-insert-filter-group-before (pop ibuffer-filter-group-kill-ring)
719 (ibuffer-update nil t))
722 (defun ibuffer-save-filter-groups (name groups)
723 "Save all active filter groups GROUPS as NAME.
724 They are added to `ibuffer-saved-filter-groups'. Interactively,
725 prompt for NAME, and use the current filters."
727 (if (null ibuffer-filter-groups)
728 (error "No filter groups active")
730 (read-from-minibuffer "Save current filter groups as: ")
731 ibuffer-filter-groups)))
732 (ibuffer-aif (assoc name ibuffer-saved-filter-groups)
734 (push (cons name groups) ibuffer-saved-filter-groups))
735 (ibuffer-maybe-save-stuff)
736 (ibuffer-update-mode-name))
739 (defun ibuffer-delete-saved-filter-groups (name)
740 "Delete saved filter groups with NAME.
741 They are removed from `ibuffer-saved-filter-groups'."
744 (if (null ibuffer-saved-filter-groups)
745 (error "No saved filter groups")
746 (completing-read "Delete saved filter group: "
747 ibuffer-saved-filter-groups nil t))))
748 (setq ibuffer-saved-filter-groups
749 (ibuffer-delete-alist name ibuffer-saved-filter-groups))
750 (ibuffer-maybe-save-stuff)
751 (ibuffer-update nil t))
754 (defun ibuffer-switch-to-saved-filter-groups (name)
755 "Set this buffer's filter groups to saved version with NAME.
756 The value from `ibuffer-saved-filters' is used.
757 If prefix argument ADD is non-nil, then add the saved filters instead
758 of replacing the current filters."
761 (if (null ibuffer-saved-filter-groups)
762 (error "No saved filters")
763 (completing-read "Switch to saved filter group: "
764 ibuffer-saved-filter-groups nil t))))
765 (setq ibuffer-filter-groups (cdr (assoc name ibuffer-saved-filter-groups))
766 ibuffer-hidden-filter-groups nil)
767 (ibuffer-update nil t))
770 (defun ibuffer-filter-disable ()
771 "Disable all filters currently in effect in this buffer."
773 (setq ibuffer-filtering-qualifiers nil)
774 (let ((buf (ibuffer-current-buffer)))
775 (ibuffer-update nil t)
777 (ibuffer-jump-to-buffer (buffer-name buf)))))
780 (defun ibuffer-pop-filter ()
781 "Remove the top filter in this buffer."
783 (when (null ibuffer-filtering-qualifiers)
784 (error "No filters in effect"))
785 (pop ibuffer-filtering-qualifiers)
786 (let ((buf (ibuffer-current-buffer)))
787 (ibuffer-update nil t)
789 (ibuffer-jump-to-buffer (buffer-name buf)))))
791 (defun ibuffer-push-filter (qualifier)
792 "Add QUALIFIER to `ibuffer-filtering-qualifiers'."
793 (push qualifier ibuffer-filtering-qualifiers))
796 (defun ibuffer-decompose-filter ()
797 "Separate the top compound filter (OR, NOT, or SAVED) in this buffer.
799 This means that the topmost filter on the filtering stack, which must
800 be a complex filter like (OR [name: foo] [mode: bar-mode]), will be
801 turned into two separate filters [name: foo] and [mode: bar-mode]."
803 (when (null ibuffer-filtering-qualifiers)
804 (error "No filters in effect"))
805 (let ((lim (pop ibuffer-filtering-qualifiers)))
808 (setq ibuffer-filtering-qualifiers (append
810 ibuffer-filtering-qualifiers)))
814 ibuffer-saved-filters)))
816 (ibuffer-filter-disable)
817 (error "Unknown saved filter %s" (cdr lim)))
818 (setq ibuffer-filtering-qualifiers (append
820 ibuffer-filtering-qualifiers))))
823 ibuffer-filtering-qualifiers))
825 (error "Filter type %s is not compound" (car lim)))))
826 (ibuffer-update nil t))
829 (defun ibuffer-exchange-filters ()
830 "Exchange the top two filters on the stack in this buffer."
832 (when (< (length ibuffer-filtering-qualifiers)
834 (error "Need two filters to exchange"))
835 (let ((first (pop ibuffer-filtering-qualifiers))
836 (second (pop ibuffer-filtering-qualifiers)))
837 (push first ibuffer-filtering-qualifiers)
838 (push second ibuffer-filtering-qualifiers))
839 (ibuffer-update nil t))
842 (defun ibuffer-negate-filter ()
843 "Negate the sense of the top filter in the current buffer."
845 (when (null ibuffer-filtering-qualifiers)
846 (error "No filters in effect"))
847 (let ((lim (pop ibuffer-filtering-qualifiers)))
848 (push (if (eq (car lim) 'not)
851 ibuffer-filtering-qualifiers))
852 (ibuffer-update nil t))
855 (defun ibuffer-or-filter (&optional reverse)
856 "Replace the top two filters in this buffer with their logical OR.
857 If optional argument REVERSE is non-nil, instead break the top OR
862 (when (or (null ibuffer-filtering-qualifiers)
863 (not (eq 'or (caar ibuffer-filtering-qualifiers))))
864 (error "Top filter is not an OR"))
865 (let ((lim (pop ibuffer-filtering-qualifiers)))
866 (setq ibuffer-filtering-qualifiers
867 (nconc (cdr lim) ibuffer-filtering-qualifiers))))
868 (when (< (length ibuffer-filtering-qualifiers) 2)
869 (error "Need two filters to OR"))
870 ;; If the second filter is an OR, just add to it.
871 (let ((first (pop ibuffer-filtering-qualifiers))
872 (second (pop ibuffer-filtering-qualifiers)))
873 (if (eq 'or (car second))
874 (push (nconc (list 'or first) (cdr second))
875 ibuffer-filtering-qualifiers)
876 (push (list 'or first second)
877 ibuffer-filtering-qualifiers))))
878 (ibuffer-update nil t))
880 (defun ibuffer-maybe-save-stuff ()
881 (when ibuffer-save-with-custom
882 (if (fboundp 'customize-save-variable)
884 (customize-save-variable 'ibuffer-saved-filters
885 ibuffer-saved-filters)
886 (customize-save-variable 'ibuffer-saved-filter-groups
887 ibuffer-saved-filter-groups))
888 (message "Not saved permanently: Customize not available"))))
891 (defun ibuffer-save-filters (name filters)
892 "Save FILTERS in this buffer with name NAME in `ibuffer-saved-filters'.
893 Interactively, prompt for NAME, and use the current filters."
895 (if (null ibuffer-filtering-qualifiers)
896 (error "No filters currently in effect")
898 (read-from-minibuffer "Save current filters as: ")
899 ibuffer-filtering-qualifiers)))
900 (ibuffer-aif (assoc name ibuffer-saved-filters)
902 (push (list name filters) ibuffer-saved-filters))
903 (ibuffer-maybe-save-stuff)
904 (ibuffer-update-mode-name))
907 (defun ibuffer-delete-saved-filters (name)
908 "Delete saved filters with NAME from `ibuffer-saved-filters'."
911 (if (null ibuffer-saved-filters)
912 (error "No saved filters")
913 (completing-read "Delete saved filters: "
914 ibuffer-saved-filters nil t))))
915 (setq ibuffer-saved-filters
916 (ibuffer-delete-alist name ibuffer-saved-filters))
917 (ibuffer-maybe-save-stuff)
918 (ibuffer-update nil t))
921 (defun ibuffer-add-saved-filters (name)
922 "Add saved filters from `ibuffer-saved-filters' to this buffer's filters."
925 (if (null ibuffer-saved-filters)
926 (error "No saved filters")
927 (completing-read "Add saved filters: "
928 ibuffer-saved-filters nil t))))
929 (push (cons 'saved name) ibuffer-filtering-qualifiers)
930 (ibuffer-update nil t))
933 (defun ibuffer-switch-to-saved-filters (name)
934 "Set this buffer's filters to filters with NAME from `ibuffer-saved-filters'.
935 If prefix argument ADD is non-nil, then add the saved filters instead
936 of replacing the current filters."
939 (if (null ibuffer-saved-filters)
940 (error "No saved filters")
941 (completing-read "Switch to saved filters: "
942 ibuffer-saved-filters nil t))))
943 (setq ibuffer-filtering-qualifiers (list (cons 'saved name)))
944 (ibuffer-update nil t))
946 (defun ibuffer-format-filter-group-data (filter)
947 (if (equal filter "Default")
949 (concat "Filter:" (mapconcat #'ibuffer-format-qualifier
950 (cdr (assq filter ibuffer-filter-groups))
953 (defun ibuffer-format-qualifier (qualifier)
954 (if (eq (car-safe qualifier) 'not)
955 (concat " [NOT" (ibuffer-format-qualifier-1 (cdr qualifier)) "]")
956 (ibuffer-format-qualifier-1 qualifier)))
958 (defun ibuffer-format-qualifier-1 (qualifier)
959 (case (car qualifier)
961 (concat " [filter: " (cdr qualifier) "]"))
963 (concat " [OR" (mapconcat #'ibuffer-format-qualifier
964 (cdr qualifier) "") "]"))
966 (let ((type (assq (car qualifier) ibuffer-filtering-alist)))
968 (error "Ibuffer: bad qualifier %s" qualifier))
969 (concat " [" (cadr type) ": " (format "%s]" (cdr qualifier)))))))
972 (defun ibuffer-list-buffer-modes ()
973 "Create an alist of buffer modes currently in use.
974 The list returned will be of the form (\"MODE-NAME\" . MODE-SYMBOL)."
975 (let ((bufs (buffer-list))
986 `(,(symbol-name this-mode) .
991 ;;; Extra operation definitions
993 ;;;###autoload (autoload 'ibuffer-filter-by-mode "ibuf-ext")
994 (define-ibuffer-filter mode
995 "Toggle current view to buffers with major mode QUALIFIER."
996 (:description "major mode"
999 (completing-read "Filter by major mode: " obarray
1001 (string-match "-mode$"
1004 (let ((buf (ibuffer-current-buffer)))
1005 (if (and buf (buffer-live-p buf))
1006 (with-current-buffer buf
1007 (symbol-name major-mode))
1009 (eq qualifier (with-current-buffer buf major-mode)))
1011 ;;;###autoload (autoload 'ibuffer-filter-by-used-mode "ibuf-ext")
1012 (define-ibuffer-filter used-mode
1013 "Toggle current view to buffers with major mode QUALIFIER.
1014 Called interactively, this function allows selection of modes
1015 currently used by buffers."
1016 (:description "major mode in use"
1019 (completing-read "Filter by major mode: "
1020 (ibuffer-list-buffer-modes)
1023 (let ((buf (ibuffer-current-buffer)))
1024 (if (and buf (buffer-live-p buf))
1025 (with-current-buffer buf
1026 (symbol-name major-mode))
1028 (eq qualifier (with-current-buffer buf major-mode)))
1030 ;;;###autoload (autoload 'ibuffer-filter-by-name "ibuf-ext")
1031 (define-ibuffer-filter name
1032 "Toggle current view to buffers with name matching QUALIFIER."
1033 (:description "buffer name"
1034 :reader (read-from-minibuffer "Filter by name (regexp): "))
1035 (string-match qualifier (buffer-name buf)))
1037 ;;;###autoload (autoload 'ibuffer-filter-by-filename "ibuf-ext")
1038 (define-ibuffer-filter filename
1039 "Toggle current view to buffers with filename matching QUALIFIER."
1040 (:description "filename"
1041 :reader (read-from-minibuffer "Filter by filename (regexp): "))
1042 (ibuffer-awhen (with-current-buffer buf
1043 (or buffer-file-name
1044 (and (boundp 'dired-directory)
1046 (if (stringp dired-directory)
1048 (car dired-directory))))
1050 (expand-file-name dired-dir))))))
1051 (string-match qualifier it)))
1053 ;;;###autoload (autoload 'ibuffer-filter-by-size-gt "ibuf-ext")
1054 (define-ibuffer-filter size-gt
1055 "Toggle current view to buffers with size greater than QUALIFIER."
1056 (:description "size greater than"
1058 (string-to-number (read-from-minibuffer "Filter by size greater than: ")))
1059 (> (with-current-buffer buf (buffer-size))
1062 ;;;###autoload (autoload 'ibuffer-filter-by-size-lt "ibuf-ext")
1063 (define-ibuffer-filter size-lt
1064 "Toggle current view to buffers with size less than QUALIFIER."
1065 (:description "size less than"
1067 (string-to-number (read-from-minibuffer "Filter by size less than: ")))
1068 (< (with-current-buffer buf (buffer-size))
1071 ;;;###autoload (autoload 'ibuffer-filter-by-content "ibuf-ext")
1072 (define-ibuffer-filter content
1073 "Toggle current view to buffers whose contents match QUALIFIER."
1074 (:description "content"
1075 :reader (read-from-minibuffer "Filter by content (regexp): "))
1076 (with-current-buffer buf
1078 (goto-char (point-min))
1079 (re-search-forward qualifier nil t))))
1081 ;;;###autoload (autoload 'ibuffer-filter-by-predicate "ibuf-ext")
1082 (define-ibuffer-filter predicate
1083 "Toggle current view to buffers for which QUALIFIER returns non-nil."
1084 (:description "predicate"
1085 :reader (read-minibuffer "Filter by predicate (form): "))
1086 (with-current-buffer buf
1092 (defun ibuffer-toggle-sorting-mode ()
1093 "Toggle the current sorting mode.
1094 Default sorting modes are:
1095 Recency - the last time the buffer was viewed
1096 Name - the name of the buffer
1097 Major Mode - the name of the major mode of the buffer
1098 Size - the size of the buffer"
1100 (let ((modes (mapcar 'car ibuffer-sorting-functions-alist)))
1101 (add-to-list 'modes 'recency)
1102 (setq modes (sort modes 'string-lessp))
1103 (let ((next (or (car-safe (cdr-safe (memq ibuffer-sorting-mode modes)))
1105 (setq ibuffer-sorting-mode next)
1106 (message "Sorting by %s" next)))
1107 (ibuffer-redisplay t))
1110 (defun ibuffer-invert-sorting ()
1111 "Toggle whether or not sorting is in reverse order."
1113 (setq ibuffer-sorting-reversep (not ibuffer-sorting-reversep))
1114 (message "Sorting order %s"
1115 (if ibuffer-sorting-reversep
1118 (ibuffer-redisplay t))
1120 ;;;###autoload (autoload 'ibuffer-do-sort-by-major-mode "ibuf-ext")
1121 (define-ibuffer-sorter major-mode
1122 "Sort the buffers by major modes.
1123 Ordering is lexicographic."
1124 (:description "major mode")
1125 (string-lessp (downcase
1126 (symbol-name (with-current-buffer
1130 (symbol-name (with-current-buffer
1134 ;;;###autoload (autoload 'ibuffer-do-sort-by-mode-name "ibuf-ext")
1135 (define-ibuffer-sorter mode-name
1136 "Sort the buffers by their mode name.
1137 Ordering is lexicographic."
1138 (:description "major mode name")
1139 (string-lessp (downcase
1140 (with-current-buffer
1144 (with-current-buffer
1148 ;;;###autoload (autoload 'ibuffer-do-sort-by-alphabetic "ibuf-ext")
1149 (define-ibuffer-sorter alphabetic
1150 "Sort the buffers by their names.
1151 Ordering is lexicographic."
1152 (:description "buffer name")
1154 (buffer-name (car a))
1155 (buffer-name (car b))))
1157 ;;;###autoload (autoload 'ibuffer-do-sort-by-size "ibuf-ext")
1158 (define-ibuffer-sorter size
1159 "Sort the buffers by their size."
1160 (:description "size")
1161 (< (with-current-buffer (car a)
1163 (with-current-buffer (car b)
1166 ;;; Functions to emulate bs.el
1169 (defun ibuffer-bs-show ()
1170 "Emulate `bs-show' from the bs.el package."
1172 (ibuffer t "*Ibuffer-bs*" '((filename . ".*")) nil t)
1173 (define-key (current-local-map) "a" 'ibuffer-bs-toggle-all))
1175 (defun ibuffer-bs-toggle-all ()
1176 "Emulate `bs-toggle-show-all' from the bs.el package."
1178 (if ibuffer-filtering-qualifiers
1179 (ibuffer-pop-filter)
1180 (progn (ibuffer-push-filter '(filename . ".*"))
1181 (ibuffer-update nil t))))
1186 (defun ibuffer-add-to-tmp-hide (regexp)
1187 "Add REGEXP to `ibuffer-tmp-hide-regexps'.
1188 This means that buffers whose name matches REGEXP will not be shown
1189 for this Ibuffer session."
1192 (read-from-minibuffer "Never show buffers matching: "
1193 (regexp-quote (buffer-name (ibuffer-current-buffer t))))))
1194 (push regexp ibuffer-tmp-hide-regexps))
1197 (defun ibuffer-add-to-tmp-show (regexp)
1198 "Add REGEXP to `ibuffer-tmp-show-regexps'.
1199 This means that buffers whose name matches REGEXP will always be shown
1200 for this Ibuffer session."
1203 (read-from-minibuffer "Always show buffers matching: "
1204 (regexp-quote (buffer-name (ibuffer-current-buffer t))))))
1205 (push regexp ibuffer-tmp-show-regexps))
1208 (defun ibuffer-forward-next-marked (&optional count mark direction)
1209 "Move forward by COUNT marked buffers (default 1).
1211 If MARK is non-nil, it should be a character denoting the type of mark
1212 to move by. The default is `ibuffer-marked-char'.
1214 If DIRECTION is non-nil, it should be an integer; negative integers
1215 mean move backwards, non-negative integers mean move forwards."
1220 (setq mark ibuffer-marked-char))
1224 (ibuffer-forward-line 0)
1225 (let ((opos (point))
1227 (ibuffer-forward-line direction)
1228 (while (not (or (= (point) opos)
1229 (eq (setq curmark (ibuffer-current-mark))
1231 (ibuffer-forward-line direction))
1232 (when (and (= (point) opos)
1233 (not (eq (ibuffer-current-mark) mark)))
1234 (error "No buffers with mark %c" mark))))
1237 (defun ibuffer-backwards-next-marked (&optional count mark)
1238 "Move backwards by COUNT marked buffers (default 1).
1240 If MARK is non-nil, it should be a character denoting the type of mark
1241 to move by. The default is `ibuffer-marked-char'."
1243 (ibuffer-forward-next-marked count mark -1))
1246 (defun ibuffer-do-kill-lines ()
1247 "Hide all of the currently marked lines."
1249 (if (= (ibuffer-count-marked-lines) 0)
1250 (message "No buffers marked; use 'm' to mark a buffer")
1252 (ibuffer-map-marked-lines
1253 #'(lambda (buf mark)
1255 (message "Killed %s lines" count))))
1258 (defun ibuffer-jump-to-buffer (name)
1259 "Move point to the buffer whose name is NAME.
1261 If called interactively, prompt for a buffer name and go to the
1262 corresponding line in the Ibuffer buffer. If said buffer is in a
1263 hidden group filter, open it.
1265 If `ibuffer-jump-offer-only-visible-buffers' is non-nil, only offer
1266 visible buffers in the completion list. Calling the command with
1267 a prefix argument reverses the meaning of that variable."
1269 (let ((only-visible ibuffer-jump-offer-only-visible-buffers))
1270 (when current-prefix-arg
1271 (setq only-visible (not only-visible)))
1273 (let ((table (mapcar #'(lambda (x)
1274 (buffer-name (car x)))
1275 (ibuffer-current-state-list))))
1277 (error "No buffers!"))
1278 (completing-read "Jump to buffer: "
1280 (read-buffer "Jump to buffer: " nil t)))))
1281 (when (not (string= "" name))
1283 ;; Blindly search for our buffer: it is very likely that it is
1284 ;; not in a hidden filter group.
1285 (ibuffer-map-lines #'(lambda (buf marks)
1286 (when (string= (buffer-name buf) name)
1287 (setq buf-point (point))
1292 (not (null ibuffer-hidden-filter-groups)))
1293 ;; We did not find our buffer. It must be in a hidden filter
1294 ;; group, so go through all hidden filter groups to find it.
1296 (dolist (group ibuffer-hidden-filter-groups)
1297 (ibuffer-jump-to-filter-group group)
1298 (ibuffer-toggle-filter-group)
1299 (ibuffer-map-lines #'(lambda (buf marks)
1300 (when (string= (buffer-name buf) name)
1301 (setq buf-point (point))
1306 (ibuffer-toggle-filter-group)))))
1307 (if (null buf-point)
1308 ;; Still not found even though we expanded all hidden filter
1309 ;; groups: that must be because it's hidden by predicate:
1310 ;; we won't bother trying to display it.
1311 (error "No buffer with name %s" name)
1312 (goto-char buf-point)))))
1315 (defun ibuffer-diff-with-file ()
1316 "View the differences between this buffer and its associated file.
1317 This requires the external program \"diff\" to be in your `exec-path'."
1319 (let ((buf (ibuffer-current-buffer)))
1320 (unless (buffer-live-p buf)
1321 (error "Buffer %s has been killed" buf))
1322 (diff-buffer-with-file buf)))
1325 (defun ibuffer-copy-filename-as-kill (&optional arg)
1326 "Copy filenames of marked buffers into the kill ring.
1328 The names are separated by a space.
1329 If a buffer has no filename, it is ignored.
1331 With no prefix arg, use the filename sans its directory of each marked file.
1332 With a zero prefix arg, use the complete filename of each marked file.
1333 With \\[universal-argument], use the filename of each marked file relative
1334 to `ibuffer-default-directory' iff non-nil, otherwise `default-directory'.
1336 You can then feed the file name(s) to other commands with \\[yank]."
1338 (if (zerop (ibuffer-count-marked-lines))
1339 (message "No buffers marked; use 'm' to mark a buffer")
1340 (let ((ibuffer-copy-filename-as-kill-result "")
1341 (type (cond ((zerop arg)
1347 (ibuffer-map-marked-lines
1348 #'(lambda (buf mark)
1349 (setq ibuffer-copy-filename-as-kill-result
1350 (concat ibuffer-copy-filename-as-kill-result
1351 (let ((name (buffer-file-name buf)))
1358 name (or ibuffer-default-directory
1359 default-directory)))
1361 (file-name-nondirectory name)))
1364 (kill-new ibuffer-copy-filename-as-kill-result))))
1366 (defun ibuffer-mark-on-buffer (func &optional ibuffer-mark-on-buffer-mark group)
1369 #'(lambda (buf mark)
1370 (when (funcall func buf)
1371 (ibuffer-set-mark-1 (or ibuffer-mark-on-buffer-mark
1372 ibuffer-marked-char))
1376 (ibuffer-redisplay t)
1377 (message "Marked %s buffers" count)))
1380 (defun ibuffer-mark-by-name-regexp (regexp)
1381 "Mark all buffers whose name matches REGEXP."
1382 (interactive "sMark by name (regexp): ")
1383 (ibuffer-mark-on-buffer
1385 (string-match regexp (buffer-name buf)))))
1388 (defun ibuffer-mark-by-mode-regexp (regexp)
1389 "Mark all buffers whose major mode matches REGEXP."
1390 (interactive "sMark by major mode (regexp): ")
1391 (ibuffer-mark-on-buffer
1393 (with-current-buffer buf
1394 (string-match regexp mode-name)))))
1397 (defun ibuffer-mark-by-file-name-regexp (regexp)
1398 "Mark all buffers whose file name matches REGEXP."
1399 (interactive "sMark by file name (regexp): ")
1400 (ibuffer-mark-on-buffer
1402 (let ((name (or (buffer-file-name buf)
1403 (with-current-buffer buf
1405 (boundp 'dired-directory)
1406 (stringp dired-directory)
1407 dired-directory)))))
1409 (string-match regexp name))))))
1412 (defun ibuffer-mark-by-mode (mode)
1413 "Mark all buffers whose major mode equals MODE."
1415 (list (intern (completing-read "Mark by major mode: " obarray
1417 ;; kind of a hack...
1419 (string-match "-mode$"
1422 (let ((buf (ibuffer-current-buffer)))
1423 (if (and buf (buffer-live-p buf))
1424 (with-current-buffer buf
1425 (cons (symbol-name major-mode)
1428 (ibuffer-mark-on-buffer
1430 (with-current-buffer buf
1431 (eq major-mode mode)))))
1434 (defun ibuffer-mark-modified-buffers ()
1435 "Mark all modified buffers."
1437 (ibuffer-mark-on-buffer
1438 #'(lambda (buf) (buffer-modified-p buf))))
1441 (defun ibuffer-mark-unsaved-buffers ()
1442 "Mark all modified buffers that have an associated file."
1444 (ibuffer-mark-on-buffer
1445 #'(lambda (buf) (and (with-current-buffer buf buffer-file-name)
1446 (buffer-modified-p buf)))))
1449 (defun ibuffer-mark-dissociated-buffers ()
1450 "Mark all buffers whose associated file does not exist."
1452 (ibuffer-mark-on-buffer
1454 (with-current-buffer buf
1456 (and buffer-file-name
1457 (not (file-exists-p buffer-file-name)))
1458 (and (eq major-mode 'dired-mode)
1459 (boundp 'dired-directory)
1460 (stringp dired-directory)
1461 (not (file-exists-p (file-name-directory dired-directory)))))))))
1464 (defun ibuffer-mark-help-buffers ()
1465 "Mark buffers like *Help*, *Apropos*, *Info*."
1467 (ibuffer-mark-on-buffer
1469 (with-current-buffer buf
1470 (memq major-mode ibuffer-help-buffer-modes)))))
1473 (defun ibuffer-mark-compressed-file-buffers ()
1474 "Mark buffers whose associated file is compressed."
1476 (ibuffer-mark-on-buffer
1478 (with-current-buffer buf
1479 (and buffer-file-name
1480 (string-match ibuffer-compressed-file-name-regexp
1481 buffer-file-name))))))
1484 (defun ibuffer-mark-old-buffers ()
1485 "Mark buffers which have not been viewed in `ibuffer-old-time' days."
1487 (ibuffer-mark-on-buffer
1489 (with-current-buffer buf
1490 ;; hacked from midnight.el
1491 (when buffer-display-time
1492 (let* ((tm (current-time))
1493 (now (+ (* (float (ash 1 16)) (car tm))
1494 (float (cadr tm)) (* 0.0000001 (caddr tm))))
1495 (then (+ (* (float (ash 1 16))
1496 (car buffer-display-time))
1497 (float (cadr buffer-display-time))
1498 (* 0.0000001 (caddr buffer-display-time)))))
1499 (> (- now then) (* 60 60 ibuffer-old-time))))))))
1502 (defun ibuffer-mark-special-buffers ()
1503 "Mark all buffers whose name begins and ends with '*'."
1505 (ibuffer-mark-on-buffer
1506 #'(lambda (buf) (string-match "^\\*.+\\*$"
1507 (buffer-name buf)))))
1510 (defun ibuffer-mark-read-only-buffers ()
1511 "Mark all read-only buffers."
1513 (ibuffer-mark-on-buffer
1515 (with-current-buffer buf
1516 buffer-read-only))))
1519 (defun ibuffer-mark-dired-buffers ()
1520 "Mark all `dired' buffers."
1522 (ibuffer-mark-on-buffer
1524 (with-current-buffer buf
1525 (eq major-mode 'dired-mode)))))
1528 (defun ibuffer-do-occur (regexp &optional nlines)
1529 "View lines which match REGEXP in all marked buffers.
1530 Optional argument NLINES says how many lines of context to display: it
1532 (interactive (occur-read-primary-args))
1533 (if (or (not (integerp nlines))
1536 (when (zerop (ibuffer-count-marked-lines))
1537 (ibuffer-set-mark ibuffer-marked-char))
1538 (let ((ibuffer-do-occur-bufs nil))
1539 ;; Accumulate a list of marked buffers
1540 (ibuffer-map-marked-lines
1541 #'(lambda (buf mark)
1542 (push buf ibuffer-do-occur-bufs)))
1543 (occur-1 regexp nlines ibuffer-do-occur-bufs)))
1547 ;;; arch-tag: 9af21953-deda-4c30-b76d-f81d9128e76d
1548 ;;; ibuf-ext.el ends here