;;; misearch.el --- isearch extensions for multi-buffer search
-;; Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
+;; Copyright (C) 2007-2011 Free Software Foundation, Inc.
;; Author: Juri Linkov <juri@jurta.org>
;; Keywords: matching
(while (not found)
;; Find the next buffer to search
(setq buffer (funcall multi-isearch-next-buffer-current-function
- buffer nil))
+ (or buffer (current-buffer)) nil))
(with-current-buffer buffer
(goto-char (if isearch-forward (point-min) (point-max)))
(setq isearch-barrier (point) isearch-opoint (point))
`(lambda (cmd)
(multi-isearch-pop-state cmd ,(current-buffer))))
-(defun multi-isearch-pop-state (cmd buffer)
+(defun multi-isearch-pop-state (_cmd buffer)
"Restore the multiple buffers search state.
Switch to the buffer restored from the search status stack."
(unless (equal buffer (current-buffer))
(defvar multi-isearch-buffer-list nil)
(defun multi-isearch-next-buffer-from-list (&optional buffer wrap)
- "Return the next buffer in the series of ChangeLog file buffers.
-This function is used for multiple buffers isearch.
-A sequence of buffers is formed by ChangeLog files with decreasing
-numeric file name suffixes in the directory of the initial ChangeLog
-file were isearch was started."
+ "Return the next buffer in the series of buffers.
+This function is used for multiple buffers Isearch. A sequence of
+buffers is defined by the variable `multi-isearch-buffer-list'
+set in `multi-isearch-buffers' or `multi-isearch-buffers-regexp'."
(let ((buffers (if isearch-forward
multi-isearch-buffer-list
(reverse multi-isearch-buffer-list))))
(if wrap
(car buffers)
- (cadr (member (or buffer (current-buffer)) buffers)))))
+ (cadr (member buffer buffers)))))
+
+(defvar ido-ignore-item-temp-list) ; from ido.el
+
+(defun multi-isearch-read-buffers ()
+ "Return a list of buffers specified interactively, one by one."
+ ;; Most code from `multi-occur'.
+ (let* ((bufs (list (read-buffer "First buffer to search: "
+ (current-buffer) t)))
+ (buf nil)
+ (ido-ignore-item-temp-list bufs))
+ (while (not (string-equal
+ (setq buf (read-buffer
+ (if (eq read-buffer-function 'ido-read-buffer)
+ "Next buffer to search (C-j to end): "
+ "Next buffer to search (RET to end): ")
+ nil t))
+ ""))
+ (add-to-list 'bufs buf)
+ (setq ido-ignore-item-temp-list bufs))
+ (nreverse bufs)))
+
+(defun multi-isearch-read-matching-buffers ()
+ "Return a list of buffers whose names match specified regexp."
+ ;; Most code from `multi-occur-in-matching-buffers'
+ ;; and `kill-matching-buffers'.
+ (let ((bufregexp
+ (read-regexp "Search in buffers whose names match regexp")))
+ (when bufregexp
+ (delq nil (mapcar (lambda (buf)
+ (when (string-match bufregexp (buffer-name buf))
+ buf))
+ (buffer-list))))))
;;;###autoload
(defun multi-isearch-buffers (buffers)
- "Start multi-buffer Isearch on a list of BUFFERS."
+ "Start multi-buffer Isearch on a list of BUFFERS.
+This list can contain live buffers or their names.
+Interactively read buffer names to search, one by one, ended with RET.
+With a prefix argument, ask for a regexp, and search in buffers
+whose names match the specified regexp."
+ (interactive
+ (list (if current-prefix-arg
+ (multi-isearch-read-matching-buffers)
+ (multi-isearch-read-buffers))))
(let ((multi-isearch-next-buffer-function
'multi-isearch-next-buffer-from-list)
- (multi-isearch-buffer-list buffers))
- (switch-to-buffer (car buffers))
+ (multi-isearch-buffer-list (mapcar #'get-buffer buffers)))
+ (switch-to-buffer (car multi-isearch-buffer-list))
(goto-char (if isearch-forward (point-min) (point-max)))
(isearch-forward)))
;;;###autoload
(defun multi-isearch-buffers-regexp (buffers)
- "Start multi-buffer regexp Isearch on a list of BUFFERS."
+ "Start multi-buffer regexp Isearch on a list of BUFFERS.
+This list can contain live buffers or their names.
+Interactively read buffer names to search, one by one, ended with RET.
+With a prefix argument, ask for a regexp, and search in buffers
+whose names match the specified regexp."
+ (interactive
+ (list (if current-prefix-arg
+ (multi-isearch-read-matching-buffers)
+ (multi-isearch-read-buffers))))
(let ((multi-isearch-next-buffer-function
'multi-isearch-next-buffer-from-list)
- (multi-isearch-buffer-list buffers))
- (switch-to-buffer (car buffers))
+ (multi-isearch-buffer-list (mapcar #'get-buffer buffers)))
+ (switch-to-buffer (car multi-isearch-buffer-list))
(goto-char (if isearch-forward (point-min) (point-max)))
(isearch-forward-regexp)))
(defvar multi-isearch-file-list nil)
(defun multi-isearch-next-file-buffer-from-list (&optional buffer wrap)
- "Return the next buffer in the series of ChangeLog file buffers.
-This function is used for multiple buffers isearch.
-A sequence of buffers is formed by ChangeLog files with decreasing
-numeric file name suffixes in the directory of the initial ChangeLog
-file were isearch was started."
+ "Return the next buffer in the series of file buffers.
+This function is used for multiple file buffers Isearch. A sequence
+of files is defined by the variable `multi-isearch-file-list' set in
+`multi-isearch-files' or `multi-isearch-files-regexp'.
+Every next/previous file in the defined sequence is visited by
+`find-file-noselect' that returns the corresponding file buffer."
(let ((files (if isearch-forward
multi-isearch-file-list
(reverse multi-isearch-file-list))))
(car files)
(cadr (member (buffer-file-name buffer) files))))))
+(defun multi-isearch-read-files ()
+ "Return a list of files specified interactively, one by one."
+ ;; Most code from `multi-occur'.
+ (let* ((files (list (read-file-name "First file to search: "
+ default-directory
+ buffer-file-name)))
+ (file nil))
+ (while (not (string-equal
+ (setq file (read-file-name
+ "Next file to search (RET to end): "
+ default-directory
+ default-directory))
+ default-directory))
+ (add-to-list 'files file))
+ (nreverse files)))
+
+(defun multi-isearch-read-matching-files ()
+ "Return a list of files whose names match specified wildcard."
+ ;; Most wildcard code from `find-file-noselect'.
+ (let ((filename (read-regexp "Search in files whose names match wildcard")))
+ (when (and filename
+ (not (string-match "\\`/:" filename))
+ (string-match "[[*?]" filename))
+ (condition-case nil
+ (file-expand-wildcards filename t)
+ (error (list filename))))))
+
;;;###autoload
(defun multi-isearch-files (files)
- "Start multi-buffer Isearch on a list of FILES."
+ "Start multi-buffer Isearch on a list of FILES.
+Relative file names in this list are expanded to absolute
+file names using the current buffer's value of `default-directory'.
+Interactively read file names to search, one by one, ended with RET.
+With a prefix argument, ask for a wildcard, and search in file buffers
+whose file names match the specified wildcard."
+ (interactive
+ (list (if current-prefix-arg
+ (multi-isearch-read-matching-files)
+ (multi-isearch-read-files))))
(let ((multi-isearch-next-buffer-function
'multi-isearch-next-file-buffer-from-list)
- (multi-isearch-file-list files))
- (find-file (car files))
+ (multi-isearch-file-list (mapcar #'expand-file-name files)))
+ (find-file (car multi-isearch-file-list))
(goto-char (if isearch-forward (point-min) (point-max)))
(isearch-forward)))
;;;###autoload
(defun multi-isearch-files-regexp (files)
- "Start multi-buffer regexp Isearch on a list of FILES."
+ "Start multi-buffer regexp Isearch on a list of FILES.
+Relative file names in this list are expanded to absolute
+file names using the current buffer's value of `default-directory'.
+Interactively read file names to search, one by one, ended with RET.
+With a prefix argument, ask for a wildcard, and search in file buffers
+whose file names match the specified wildcard."
+ (interactive
+ (list (if current-prefix-arg
+ (multi-isearch-read-matching-files)
+ (multi-isearch-read-files))))
(let ((multi-isearch-next-buffer-function
'multi-isearch-next-file-buffer-from-list)
- (multi-isearch-file-list files))
- (find-file (car files))
+ (multi-isearch-file-list (mapcar #'expand-file-name files)))
+ (find-file (car multi-isearch-file-list))
(goto-char (if isearch-forward (point-min) (point-max)))
(isearch-forward-regexp)))
\f
(provide 'multi-isearch)
-;; arch-tag: a6d38ffa-4d14-4e39-8ac6-46af9d6a6773
;;; misearch.el ends here