--- /dev/null
+;;; replace.el --- search and replace commands for XEmacs.
+
+;; Copyright (C) 1985-7, 1992, 1994, 1997 Free Software Foundation, Inc.
+
+;; Maintainer: XEmacs Development Team
+;; Keywords: dumped, matching
+
+;; This file is part of XEmacs.
+
+;; XEmacs is free software; you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
+;; XEmacs is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with XEmacs; see the file COPYING. If not, write to the Free
+;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+;; 02111-1307, USA.
+
+;;; Synched up with: FSF 19.34 [Partially].
+
+;;; Commentary:
+
+;; This file is dumped with XEmacs.
+
+;; This package supplies the string and regular-expression replace functions
+;; documented in the XEmacs Reference Manual.
+
+;; All the gettext calls are for XEmacs I18N3 message catalog support.
+;; (This is hopelessly broken and we should remove it. -sb)
+
+;;; Code:
+
+(defvar case-replace t "\
+*Non-nil means `query-replace' should preserve case in replacements.
+What this means is that `query-replace' will change the case of the
+replacement text so that it matches the text that was replaced.
+If this variable is nil, the replacement text will be inserted
+exactly as it was specified by the user, irrespective of the case
+of the text that was replaced.
+
+Note that this flag has no effect if `case-fold-search' is nil,
+or if the replacement text has any uppercase letters in it.")
+
+(defvar query-replace-history nil)
+
+(defvar query-replace-interactive nil
+ "Non-nil means `query-replace' uses the last search string.
+That becomes the \"string to replace\".")
+
+(defun query-replace-read-args (string regexp-flag)
+ (let (from to)
+ (if query-replace-interactive
+ (setq from (car (if regexp-flag regexp-search-ring search-ring)))
+ (setq from (read-from-minibuffer (format "%s: " (gettext string))
+ nil nil nil
+ 'query-replace-history)))
+ (setq to (read-from-minibuffer (format "%s %s with: " (gettext string)
+ from)
+ nil nil nil
+ 'query-replace-history))
+ (list from to current-prefix-arg)))
+
+;; As per suggestion from Per Abrahamsen, limit replacement to the region
+;; if the region is active.
+(defun query-replace (from-string to-string &optional delimited)
+ "Replace some occurrences of FROM-STRING with TO-STRING.
+As each match is found, the user must type a character saying
+what to do with it. For directions, type \\[help-command] at that time.
+
+If `query-replace-interactive' is non-nil, the last incremental search
+string is used as FROM-STRING--you don't have to specify it with the
+minibuffer.
+
+Preserves case in each replacement if `case-replace' and `case-fold-search'
+are non-nil and FROM-STRING has no uppercase letters.
+\(Preserving case means that if the string matched is all caps, or capitalized,
+then its replacement is upcased or capitalized.)
+
+Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
+only matches surrounded by word boundaries.
+
+To customize possible responses, change the \"bindings\" in `query-replace-map'."
+ (interactive (query-replace-read-args "Query replace" nil))
+ (perform-replace from-string to-string t nil delimited))
+
+(defun query-replace-regexp (regexp to-string &optional delimited)
+ "Replace some things after point matching REGEXP with TO-STRING.
+As each match is found, the user must type a character saying
+what to do with it. For directions, type \\[help-command] at that time.
+
+If `query-replace-interactive' is non-nil, the last incremental search
+regexp is used as REGEXP--you don't have to specify it with the
+minibuffer.
+
+Preserves case in each replacement if `case-replace' and `case-fold-search'
+are non-nil and REGEXP has no uppercase letters.
+Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
+only matches surrounded by word boundaries.
+In TO-STRING, `\\&' stands for whatever matched the whole of REGEXP,
+and `\\=\\N' (where N is a digit) stands for
+ whatever what matched the Nth `\\(...\\)' in REGEXP."
+ (interactive (query-replace-read-args "Query replace regexp" t))
+ (perform-replace regexp to-string t t delimited))
+
+;;#### Not patently useful
+(defun map-query-replace-regexp (regexp to-strings &optional arg)
+ "Replace some matches for REGEXP with various strings, in rotation.
+The second argument TO-STRINGS contains the replacement strings, separated
+by spaces. This command works like `query-replace-regexp' except
+that each successive replacement uses the next successive replacement string,
+wrapping around from the last such string to the first.
+
+Non-interactively, TO-STRINGS may be a list of replacement strings.
+
+If `query-replace-interactive' is non-nil, the last incremental search
+regexp is used as REGEXP--you don't have to specify it with the minibuffer.
+
+A prefix argument N says to use each replacement string N times
+before rotating to the next."
+ (interactive
+ (let (from to)
+ (setq from (if query-replace-interactive
+ (car regexp-search-ring)
+ (read-from-minibuffer "Map query replace (regexp): "
+ nil nil nil
+ 'query-replace-history)))
+ (setq to (read-from-minibuffer
+ (format "Query replace %s with (space-separated strings): "
+ from)
+ nil nil nil
+ 'query-replace-history))
+ (list from to current-prefix-arg)))
+ (let (replacements)
+ (if (listp to-strings)
+ (setq replacements to-strings)
+ (while (/= (length to-strings) 0)
+ (if (string-match " " to-strings)
+ (setq replacements
+ (append replacements
+ (list (substring to-strings 0
+ (string-match " " to-strings))))
+ to-strings (substring to-strings
+ (1+ (string-match " " to-strings))))
+ (setq replacements (append replacements (list to-strings))
+ to-strings ""))))
+ (perform-replace regexp replacements t t nil arg)))
+
+(defun replace-string (from-string to-string &optional delimited)
+ "Replace occurrences of FROM-STRING with TO-STRING.
+Preserve case in each match if `case-replace' and `case-fold-search'
+are non-nil and FROM-STRING has no uppercase letters.
+\(Preserving case means that if the string matched is all caps, or capitalized,
+then its replacement is upcased or capitalized.)
+
+Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
+only matches surrounded by word boundaries.
+
+If `query-replace-interactive' is non-nil, the last incremental search
+string is used as FROM-STRING--you don't have to specify it with the
+minibuffer.
+
+This function is usually the wrong thing to use in a Lisp program.
+What you probably want is a loop like this:
+ (while (search-forward FROM-STRING nil t)
+ (replace-match TO-STRING nil t))
+which will run faster and will not set the mark or print anything."
+ (interactive (query-replace-read-args "Replace string" nil))
+ (perform-replace from-string to-string nil nil delimited))
+
+(defun replace-regexp (regexp to-string &optional delimited)
+ "Replace things after point matching REGEXP with TO-STRING.
+Preserve case in each match if `case-replace' and `case-fold-search'
+are non-nil and REGEXP has no uppercase letters.
+\(Preserving case means that if the string matched is all caps, or capitalized,
+then its replacement is upcased or capitalized.)
+
+Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
+only matches surrounded by word boundaries.
+In TO-STRING, `\\&' stands for whatever matched the whole of REGEXP,
+and `\\=\\N' (where N is a digit) stands for
+ whatever what matched the Nth `\\(...\\)' in REGEXP.
+
+If `query-replace-interactive' is non-nil, the last incremental search
+regexp is used as REGEXP--you don't have to specify it with the minibuffer.
+
+This function is usually the wrong thing to use in a Lisp program.
+What you probably want is a loop like this:
+ (while (re-search-forward REGEXP nil t)
+ (replace-match TO-STRING nil nil))
+which will run faster and will not set the mark or print anything."
+ (interactive (query-replace-read-args "Replace regexp" t))
+ (perform-replace regexp to-string nil t delimited))
+
+\f
+(defvar regexp-history nil
+ "History list for some commands that read regular expressions.")
+
+(define-function 'keep-lines 'delete-non-matching-lines)
+(defun delete-non-matching-lines (regexp)
+ "Delete all lines except those containing matches for REGEXP.
+A match split across lines preserves all the lines it lies in.
+Applies to all lines after point."
+ (interactive (list (read-from-minibuffer
+ "Keep lines (containing match for regexp): "
+ nil nil nil 'regexp-history)))
+ (save-excursion
+ (or (bolp) (forward-line 1))
+ (let ((start (point)))
+ (while (not (eobp))
+ ;; Start is first char not preserved by previous match.
+ (if (not (re-search-forward regexp nil 'move))
+ (delete-region start (point-max))
+ (let ((end (save-excursion (goto-char (match-beginning 0))
+ (beginning-of-line)
+ (point))))
+ ;; Now end is first char preserved by the new match.
+ (if (< start end)
+ (delete-region start end))))
+ (setq start (save-excursion (forward-line 1)
+ (point)))
+ ;; If the match was empty, avoid matching again at same place.
+ (and (not (eobp)) (= (match-beginning 0) (match-end 0))
+ (forward-char 1))))))
+
+(define-function 'flush-lines 'delete-matching-lines)
+(defun delete-matching-lines (regexp)
+ "Delete lines containing matches for REGEXP.
+If a match is split across lines, all the lines it lies in are deleted.
+Applies to lines after point."
+ (interactive (list (read-from-minibuffer
+ "Flush lines (containing match for regexp): "
+ nil nil nil 'regexp-history)))
+ (save-excursion
+ (while (and (not (eobp))
+ (re-search-forward regexp nil t))
+ (delete-region (save-excursion (goto-char (match-beginning 0))
+ (beginning-of-line)
+ (point))
+ (progn (forward-line 1) (point))))))
+
+(define-function 'how-many 'count-matches)
+(defun count-matches (regexp)
+ "Print number of matches for REGEXP following point."
+ (interactive (list (read-from-minibuffer
+ "How many matches for (regexp): "
+ nil nil nil 'regexp-history)))
+ (let ((count 0) opoint)
+ (save-excursion
+ (while (and (not (eobp))
+ (progn (setq opoint (point))
+ (re-search-forward regexp nil t)))
+ (if (= opoint (point))
+ (forward-char 1)
+ (setq count (1+ count))))
+ (message "%d occurrences" count))))
+
+\f
+(defvar occur-mode-map ())
+(if occur-mode-map
+ ()
+ (setq occur-mode-map (make-sparse-keymap))
+ (set-keymap-name occur-mode-map 'occur-mode-map) ; XEmacs
+ (define-key occur-mode-map 'button2 'occur-mode-mouse-goto) ; XEmacs
+ (define-key occur-mode-map "\C-c\C-c" 'occur-mode-goto-occurrence)
+ (define-key occur-mode-map "\C-m" 'occur-mode-goto-occurrence))
+
+(defvar occur-buffer nil)
+(defvar occur-nlines nil)
+(defvar occur-pos-list nil)
+
+(defun occur-mode ()
+ "Major mode for output from \\[occur].
+\\<occur-mode-map>Move point to one of the items in this buffer, then use
+\\[occur-mode-goto-occurrence] to go to the occurrence that the item refers to.
+Alternatively, click \\[occur-mode-mouse-goto] on an item to go to it.
+
+\\{occur-mode-map}"
+ (kill-all-local-variables)
+ (use-local-map occur-mode-map)
+ (setq major-mode 'occur-mode)
+ (setq mode-name (gettext "Occur")) ; XEmacs
+ (make-local-variable 'occur-buffer)
+ (make-local-variable 'occur-nlines)
+ (make-local-variable 'occur-pos-list)
+ (require 'mode-motion) ; XEmacs
+ (setq mode-motion-hook 'mode-motion-highlight-line) ; XEmacs
+ (run-hooks 'occur-mode-hook))
+
+;; FSF Version of next function:
+; (let (buffer pos)
+; (save-excursion
+; (set-buffer (window-buffer (posn-window (event-end event))))
+; (save-excursion
+; (goto-char (posn-point (event-end event)))
+; (setq pos (occur-mode-find-occurrence))
+; (setq buffer occur-buffer)))
+; (pop-to-buffer buffer)
+; (goto-char (marker-position pos))))
+
+(defun occur-mode-mouse-goto (event)
+ "Go to the occurrence highlighted by mouse.
+This function is only reasonable when bound to a mouse key in the occur buffer"
+ (interactive "e")
+ (let ((window-save (selected-window))
+ (frame-save (selected-frame)))
+ ;; preserve the window/frame setup
+ (unwind-protect
+ (progn
+ (mouse-set-point event)
+ (occur-mode-goto-occurrence))
+ (select-frame frame-save)
+ (select-window window-save))))
+
+;; Called occur-mode-find-occurrence in FSF
+(defun occur-mode-goto-occurrence ()
+ "Go to the occurrence the current line describes."
+ (interactive)
+ (if (or (null occur-buffer)
+ (null (buffer-name occur-buffer)))
+ (progn
+ (setq occur-buffer nil
+ occur-pos-list nil)
+ (error "Buffer in which occurrences were found is deleted")))
+ (let* ((line-count
+ (count-lines (point-min)
+ (save-excursion
+ (beginning-of-line)
+ (point))))
+ (occur-number (save-excursion
+ (beginning-of-line)
+ (/ (1- line-count)
+ (cond ((< occur-nlines 0)
+ (- 2 occur-nlines))
+ ((> occur-nlines 0)
+ (+ 2 (* 2 occur-nlines)))
+ (t 1)))))
+ (pos (nth occur-number occur-pos-list))
+ ;; removed t arg from Bob Weiner, 10/6/95
+ (window (get-buffer-window occur-buffer))
+ (occur-source-buffer occur-buffer))
+ (if (< line-count 1)
+ (error "No occurrence on this line"))
+ (or pos
+ (error "No occurrence on this line"))
+ ;; XEmacs: don't raise window unless it isn't visible
+ ;; allow for the possibility that the occur buffer is on another frame
+ (or (and window
+ (window-live-p window)
+ (frame-visible-p (window-frame window))
+ (set-buffer occur-source-buffer))
+ (and (pop-to-buffer occur-source-buffer)
+ (setq window (get-buffer-window occur-source-buffer))))
+ (goto-char pos)
+ (set-window-point window pos)))
+
+\f
+(defvar list-matching-lines-default-context-lines 0
+ "*Default number of context lines to include around a `list-matching-lines'
+match. A negative number means to include that many lines before the match.
+A positive number means to include that many lines both before and after.")
+
+;; XEmacs addition
+;;; Damn you Jamie, this is utter trash.
+(defvar list-matching-lines-whole-buffer t
+ "If t, occur operates on whole buffer, otherwise occur starts from point.
+default is t.")
+
+(define-function 'occur 'list-matching-lines)
+(defun list-matching-lines (regexp &optional nlines)
+ "Show all lines in the current buffer containing a match for REGEXP.
+
+If a match spreads across multiple lines, all those lines are shown.
+
+If variable `list-matching-lines-whole-buffer' is non-nil, the entire buffer is
+searched, otherwise search begins at point.
+
+Each line is displayed with NLINES lines before and after, or -NLINES
+before if NLINES is negative.
+NLINES defaults to `list-matching-lines-default-context-lines'.
+Interactively it is the prefix arg.
+
+The lines are shown in a buffer named `*Occur*'.
+It serves as a menu to find any of the occurrences in this buffer.
+\\[describe-mode] in that buffer will explain how."
+ (interactive
+ ;; XEmacs change
+ (list (let* ((default (or (symbol-near-point)
+ (and regexp-history
+ (car regexp-history))))
+ (minibuffer-history-minimum-string-length 0)
+ (input
+ (if default
+ ;; rewritten for I18N3 snarfing
+ (read-from-minibuffer
+ (format "List lines matching regexp (default `%s'): "
+ default) nil nil nil 'regexp-history)
+ (read-from-minibuffer
+ "List lines matching regexp: "
+ nil nil nil
+ 'regexp-history))))
+ (if (and (equal input "") default)
+ (progn
+ (setq input default)
+ (setcar regexp-history default)))
+ ;; clear extra entries
+ (setcdr regexp-history (delete (car regexp-history)
+ (cdr regexp-history)))
+ input)
+ current-prefix-arg))
+ (if (equal regexp "")
+ (error "Must pass non-empty regexp to `list-matching-lines'"))
+ (setq nlines (if nlines (prefix-numeric-value nlines)
+ list-matching-lines-default-context-lines))
+ (let ((first t)
+ (dir default-directory)
+ (buffer (current-buffer))
+ (linenum 1)
+ (prevpos (point-min))
+ ;; The rest of this function is very different from FSF.
+ ;; Presumably that's due to Jamie's misfeature
+ (final-context-start (make-marker)))
+ (if (not list-matching-lines-whole-buffer)
+ (save-excursion
+ (beginning-of-line)
+ (setq linenum (1+ (count-lines (point-min) (point))))
+ (setq prevpos (point))))
+ (with-output-to-temp-buffer "*Occur*"
+ (save-excursion
+ (set-buffer standard-output)
+ (setq default-directory dir)
+ ;; We will insert the number of lines, and "lines", later.
+ ;; #### Needs fixing for I18N3
+ (let ((print-escape-newlines t))
+ (insert (format " matching %s in buffer %s.\n"
+ regexp (buffer-name buffer))))
+ (occur-mode)
+ (setq occur-buffer buffer)
+ (setq occur-nlines nlines)
+ (setq occur-pos-list ()))
+ (if (eq buffer standard-output)
+ (goto-char (point-max)))
+ (save-excursion
+ (if list-matching-lines-whole-buffer
+ (beginning-of-buffer))
+ (message "Searching for %s ..." regexp)
+ ;; Find next match, but give up if prev match was at end of buffer.
+ (while (and (not (= prevpos (point-max)))
+ (re-search-forward regexp nil t))
+ (goto-char (match-beginning 0))
+ (beginning-of-line)
+ (save-match-data
+ (setq linenum (+ linenum (count-lines prevpos (point)))))
+ (setq prevpos (point))
+ (goto-char (match-end 0))
+ (let* ((start (save-excursion
+ (goto-char (match-beginning 0))
+ (forward-line (if (< nlines 0) nlines (- nlines)))
+ (point)))
+ (end (save-excursion
+ (goto-char (match-end 0))
+ (if (> nlines 0)
+ (forward-line (1+ nlines))
+ (forward-line 1))
+ (point)))
+ (tag (format "%5d" linenum))
+ (empty (make-string (length tag) ?\ ))
+ tem)
+ (save-excursion
+ (setq tem (make-marker))
+ (set-marker tem (point))
+ (set-buffer standard-output)
+ (setq occur-pos-list (cons tem occur-pos-list))
+ (or first (zerop nlines)
+ (insert "--------\n"))
+ (setq first nil)
+ (insert-buffer-substring buffer start end)
+ (set-marker final-context-start
+ (- (point) (- end (match-end 0))))
+ (backward-char (- end start))
+ (setq tem (if (< nlines 0) (- nlines) nlines))
+ (while (> tem 0)
+ (insert empty ?:)
+ (forward-line 1)
+ (setq tem (1- tem)))
+ (let ((this-linenum linenum))
+ (while (< (point) final-context-start)
+ (if (null tag)
+ (setq tag (format "%5d" this-linenum)))
+ (insert tag ?:)
+;; FSFmacs -- we handle this using mode-motion-highlight-line, above.
+; (put-text-property (save-excursion
+; (beginning-of-line)
+; (point))
+; (save-excursion
+; (end-of-line)
+; (point))
+; 'mouse-face 'highlight)
+ (forward-line 1)
+ (setq tag nil)
+ (setq this-linenum (1+ this-linenum)))
+ (while (<= (point) final-context-start)
+ (insert empty ?:)
+ (forward-line 1)
+ (setq this-linenum (1+ this-linenum))))
+ (while (< tem nlines)
+ (insert empty ?:)
+ (forward-line 1)
+ (setq tem (1+ tem)))
+ (goto-char (point-max)))
+ (forward-line 1)))
+ (set-buffer standard-output)
+ ;; Put positions in increasing order to go with buffer.
+ (setq occur-pos-list (nreverse occur-pos-list))
+ (goto-char (point-min))
+ (if (= (length occur-pos-list) 1)
+ (insert "1 line")
+ (insert (format "%d lines" (length occur-pos-list))))
+ (if (interactive-p)
+ (message "%d matching lines." (length occur-pos-list)))))))
+\f
+;; It would be nice to use \\[...], but there is no reasonable way
+;; to make that display both SPC and Y.
+(defconst query-replace-help
+ (purecopy
+ "Type Space or `y' to replace one match, Delete or `n' to skip to next,
+RET or `q' to exit, Period to replace one match and exit,
+Comma to replace but not move point immediately,
+C-r to enter recursive edit (\\[exit-recursive-edit] to get out again),
+C-w to delete match and recursive edit,
+C-l to clear the frame, redisplay, and offer same replacement again,
+! to replace all remaining matches with no more questions,
+^ to move point back to previous match."
+)
+ "Help message while in query-replace")
+
+(defvar query-replace-map nil
+ "Keymap that defines the responses to questions in `query-replace'.
+The \"bindings\" in this map are not commands; they are answers.
+The valid answers include `act', `skip', `act-and-show',
+`exit', `act-and-exit', `edit', `delete-and-edit', `recenter',
+`automatic', `backup', `exit-prefix', and `help'.")
+
+;; Why does it seem that ever file has a different method of doing this?
+(if query-replace-map
+ nil
+ (let ((map (make-sparse-keymap)))
+ (set-keymap-name map 'query-replace-map)
+ (define-key map " " 'act)
+ (define-key map "\d" 'skip)
+ (define-key map [delete] 'skip)
+ (define-key map [backspace] 'skip)
+ (define-key map "y" 'act)
+ (define-key map "n" 'skip)
+ (define-key map "Y" 'act)
+ (define-key map "N" 'skip)
+ (define-key map "," 'act-and-show)
+ (define-key map [escape] 'exit)
+ (define-key map "q" 'exit)
+ (define-key map [return] 'exit)
+ (define-key map "." 'act-and-exit)
+ (define-key map "\C-r" 'edit)
+ (define-key map "\C-w" 'delete-and-edit)
+ (define-key map "\C-l" 'recenter)
+ (define-key map "!" 'automatic)
+ (define-key map "^" 'backup)
+ (define-key map [(control h)] 'help) ;; XEmacs change
+ (define-key map [f1] 'help)
+ (define-key map [help] 'help)
+ (define-key map "?" 'help)
+ (define-key map "\C-g" 'quit)
+ (define-key map "\C-]" 'quit)
+ ;FSFmacs (define-key map "\e" 'exit-prefix)
+ (define-key map [escape] 'exit-prefix)
+
+ (setq query-replace-map map)))
+
+;; isearch-mode is dumped, so don't autoload.
+;(autoload 'isearch-highlight "isearch")
+
+;; XEmacs
+(defun perform-replace-next-event (event)
+ (if isearch-highlight
+ (let ((aborted t))
+ (unwind-protect
+ (progn
+ (if (match-beginning 0)
+ (isearch-highlight (match-beginning 0) (match-end 0)))
+ (next-command-event event)
+ (setq aborted nil))
+ (isearch-dehighlight aborted)))
+ (next-command-event event)))
+
+(defun perform-replace (from-string replacements
+ query-flag regexp-flag delimited-flag
+ &optional repeat-count map)
+ "Subroutine of `query-replace'. Its complexity handles interactive queries.
+Don't use this in your own program unless you want to query and set the mark
+just as `query-replace' does. Instead, write a simple loop like this:
+ (while (re-search-forward \"foo[ \t]+bar\" nil t)
+ (replace-match \"foobar\" nil nil))
+which will run faster and probably do exactly what you want."
+ (or map (setq map query-replace-map))
+ (let* ((event (make-event))
+ (nocasify (not (and case-fold-search case-replace
+ (string-equal from-string
+ (downcase from-string)))))
+ (literal (not regexp-flag))
+ (search-function (if regexp-flag 're-search-forward 'search-forward))
+ (search-string from-string)
+ (real-match-data nil) ; the match data for the current match
+ (next-replacement nil)
+ (replacement-index 0)
+ (keep-going t)
+ (stack nil)
+ (next-rotate-count 0)
+ (replace-count 0)
+ (lastrepl nil) ;Position after last match considered.
+ ;; If non-nil, it is marker saying where in the buffer to
+ ;; stop.
+ (limit nil)
+ (match-again t)
+ ;; XEmacs addition
+ (qr-case-fold-search
+ (if (and case-fold-search search-caps-disable-folding)
+ (isearch-no-upper-case-p search-string)
+ case-fold-search))
+ (message
+ (if query-flag
+ (substitute-command-keys
+ "Query replacing %s with %s: (\\<query-replace-map>\\[help] for help) "))))
+ ;; If the region is active, operate on region.
+ (when (region-active-p)
+ ;; Original Per Abrahamsen's code simply narrowed the region,
+ ;; thus providing a visual indication of the search boundary.
+ ;; Stallman, on the other hand, handles it like this.
+ (setq limit (copy-marker (region-end)))
+ (goto-char (region-beginning))
+ (zmacs-deactivate-region))
+ (if (stringp replacements)
+ (setq next-replacement replacements)
+ (or repeat-count (setq repeat-count 1)))
+ (if delimited-flag
+ (setq search-function 're-search-forward
+ search-string (concat "\\b"
+ (if regexp-flag from-string
+ (regexp-quote from-string))
+ "\\b")))
+ (push-mark)
+ (undo-boundary)
+ (unwind-protect
+ ;; Loop finding occurrences that perhaps should be replaced.
+ (while (and keep-going
+ (not (eobp))
+ (let ((case-fold-search qr-case-fold-search))
+ (funcall search-function search-string limit t))
+ ;; If the search string matches immediately after
+ ;; the previous match, but it did not match there
+ ;; before the replacement was done, ignore the match.
+ (if (or (eq lastrepl (point))
+ (and regexp-flag
+ (eq lastrepl (match-beginning 0))
+ (not match-again)))
+ (if (eobp)
+ nil
+ ;; Don't replace the null string
+ ;; right after end of previous replacement.
+ (forward-char 1)
+ (let ((case-fold-search qr-case-fold-search))
+ (funcall search-function search-string limit t)))
+ t))
+
+ ;; Save the data associated with the real match.
+ (setq real-match-data (match-data))
+
+ ;; Before we make the replacement, decide whether the search string
+ ;; can match again just after this match.
+ (if regexp-flag
+ (progn
+ (setq match-again (looking-at search-string))
+ ;; XEmacs addition
+ (store-match-data real-match-data)))
+ ;; If time for a change, advance to next replacement string.
+ (if (and (listp replacements)
+ (= next-rotate-count replace-count))
+ (progn
+ (setq next-rotate-count
+ (+ next-rotate-count repeat-count))
+ (setq next-replacement (nth replacement-index replacements))
+ (setq replacement-index (% (1+ replacement-index) (length replacements)))))
+ (if (not query-flag)
+ (progn
+ (store-match-data real-match-data)
+ (replace-match next-replacement nocasify literal)
+ (setq replace-count (1+ replace-count)))
+ (undo-boundary)
+ (let ((help-form
+ '(concat (format "Query replacing %s%s with %s.\n\n"
+ (if regexp-flag (gettext "regexp ") "")
+ from-string next-replacement)
+ (substitute-command-keys query-replace-help)))
+ done replaced def)
+ ;; Loop reading commands until one of them sets done,
+ ;; which means it has finished handling this occurrence.
+ (while (not done)
+ ;; Don't fill up the message log
+ ;; with a bunch of identical messages.
+ ;; XEmacs change
+ (display-message 'prompt
+ (format message from-string next-replacement))
+ (perform-replace-next-event event)
+ (setq def (lookup-key map (vector event)))
+ ;; Restore the match data while we process the command.
+ (store-match-data real-match-data)
+ (cond ((eq def 'help)
+ (with-output-to-temp-buffer (gettext "*Help*")
+ (princ (concat
+ (format "Query replacing %s%s with %s.\n\n"
+ (if regexp-flag "regexp " "")
+ from-string next-replacement)
+ (substitute-command-keys
+ query-replace-help)))
+ (save-excursion
+ (set-buffer standard-output)
+ (help-mode))))
+ ((eq def 'exit)
+ (setq keep-going nil)
+ (setq done t))
+ ((eq def 'backup)
+ (if stack
+ (let ((elt (car stack)))
+ (goto-char (car elt))
+ (setq replaced (eq t (cdr elt)))
+ (or replaced
+ (store-match-data (cdr elt)))
+ (setq stack (cdr stack)))
+ (message "No previous match")
+ (ding 'no-terminate)
+ (sit-for 1)))
+ ((eq def 'act)
+ (or replaced
+ (replace-match next-replacement nocasify literal))
+ (setq done t replaced t))
+ ((eq def 'act-and-exit)
+ (or replaced
+ (replace-match next-replacement nocasify literal))
+ (setq keep-going nil)
+ (setq done t replaced t))
+ ((eq def 'act-and-show)
+ (if (not replaced)
+ (progn
+ (replace-match next-replacement nocasify literal)
+ (store-match-data nil)
+ (setq replaced t))))
+ ((eq def 'automatic)
+ (or replaced
+ (replace-match next-replacement nocasify literal))
+ (setq done t query-flag nil replaced t))
+ ((eq def 'skip)
+ (setq done t))
+ ((eq def 'recenter)
+ (recenter nil))
+ ((eq def 'edit)
+ (store-match-data
+ (prog1 (match-data)
+ (save-excursion (recursive-edit))))
+ ;; Before we make the replacement,
+ ;; decide whether the search string
+ ;; can match again just after this match.
+ (if regexp-flag
+ (setq match-again (looking-at search-string))))
+ ((eq def 'delete-and-edit)
+ (delete-region (match-beginning 0) (match-end 0))
+ (store-match-data (prog1 (match-data)
+ (save-excursion (recursive-edit))))
+ (setq replaced t))
+ ;; Note: we do not need to treat `exit-prefix'
+ ;; specially here, since we reread
+ ;; any unrecognized character.
+ (t
+ (setq this-command 'mode-exited)
+ (setq keep-going nil)
+ (setq unread-command-events
+ (cons event unread-command-events))
+ (setq done t))))
+ ;; Record previous position for ^ when we move on.
+ ;; Change markers to numbers in the match data
+ ;; since lots of markers slow down editing.
+ (setq stack
+ (cons (cons (point)
+ (or replaced
+ (match-data t)))
+ stack))
+ (if replaced (setq replace-count (1+ replace-count)))))
+ (setq lastrepl (point)))
+ ;; Useless in XEmacs. We handle (de)highlighting through
+ ;; perform-replace-next-event.
+ ;(replace-dehighlight)
+ )
+ (or unread-command-events
+ (message "Replaced %d occurrence%s"
+ replace-count
+ (if (= replace-count 1) "" "s")))
+ (and keep-going stack)))
+
+;; FSFmacs code: someone should port it.
+
+;(defvar query-replace-highlight nil
+; "*Non-nil means to highlight words during query replacement.")
+
+;(defvar replace-overlay nil)
+
+;(defun replace-dehighlight ()
+; (and replace-overlay
+; (progn
+; (delete-overlay replace-overlay)
+; (setq replace-overlay nil))))
+
+;(defun replace-highlight (start end)
+; (and query-replace-highlight
+; (progn
+; (or replace-overlay
+; (progn
+; (setq replace-overlay (make-overlay start end))
+; (overlay-put replace-overlay 'face
+; (if (internal-find-face 'query-replace)
+; 'query-replace 'region))))
+; (move-overlay replace-overlay start end (current-buffer)))))
+
+(defun match-string (num &optional string)
+ "Return string of text matched by last search.
+NUM specifies which parenthesized expression in the last regexp.
+ Value is nil if NUMth pair didn't match, or there were less than NUM pairs.
+Zero means the entire text matched by the whole regexp or whole string.
+STRING should be given if the last search was by `string-match' on STRING."
+ (if (match-beginning num)
+ (if string
+ (substring string (match-beginning num) (match-end num))
+ (buffer-substring (match-beginning num) (match-end num)))))
+
+(defmacro save-match-data (&rest body)
+ "Execute BODY forms, restoring the global value of the match data."
+ (let ((original (make-symbol "match-data")))
+ (list 'let (list (list original '(match-data)))
+ (list 'unwind-protect
+ (cons 'progn body)
+ (list 'store-match-data original)))))
+
+;;; replace.el ends here
projects / chise / xemacs-chise.git- / blobdiff