;;; replace.el --- replace commands for Emacs.
-;; Copyright (C) 1985, 1986, 1987, 1992, 1994, 1996 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 86, 87, 92, 94, 96, 1997 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
"Non-nil means `query-replace' uses the last search string.
That becomes the \"string to replace\".")
+(defcustom query-replace-from-history-variable 'query-replace-history
+ "History list to use for the FROM argument of query-replace commands.
+The value of this variable should be a symbol; that symbol
+is used as a variable to hold a history list for the strings
+or patterns to be replaced."
+ :group 'matching
+ :type 'symbol
+ :version "20.3")
+
+(defcustom query-replace-to-history-variable 'query-replace-history
+ "History list to use for the TO argument of query-replace commands.
+The value of this variable should be a symbol; that symbol
+is used as a variable to hold a history list for replacement
+strings or patterns."
+ :group 'matching
+ :type 'symbol
+ :version "20.3")
+
(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: " string)
nil nil nil
- 'query-replace-history nil t)))
+ query-replace-from-history-variable
+ nil t)))
(setq to (read-from-minibuffer (format "%s %s with: " string from)
nil nil nil
- 'query-replace-history nil t))
+ query-replace-to-history-variable from t))
(list from to current-prefix-arg)))
(defun query-replace (from-string to-string &optional arg)
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.
+In Transient Mark mode, if the mark is active, operate on the contents
+of the region. Otherwise, operate from point to the end of the buffer.
+
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'
+Replacement transfers the case of the old text to the new text,
+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.)
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 arg))
+
(define-key esc-map "%" 'query-replace)
(defun query-replace-regexp (regexp to-string &optional arg)
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.
+In Transient Mark mode, if the mark is active, operate on the contents
+of the region. Otherwise, operate from point to the end of the buffer.
+
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.
whatever what matched the Nth `\\(...\\)' in REGEXP."
(interactive (query-replace-read-args "Query replace regexp" t))
(perform-replace regexp to-string t t arg))
+(define-key esc-map [?\C-%] 'query-replace-regexp)
(defun map-query-replace-regexp (regexp to-strings &optional arg)
"Replace some matches for REGEXP with various strings, in rotation.
that each successive replacement uses the next successive replacement string,
wrapping around from the last such string to the first.
+In Transient Mark mode, if the mark is active, operate on the contents
+of the region. Otherwise, operate from point to the end of the buffer.
+
Non-interactively, TO-STRINGS may be a list of replacement strings.
If `query-replace-interactive' is non-nil, the last incremental search
(format "Query replace %s with (space-separated strings): "
from)
nil nil nil
- 'query-replace-history nil t))
+ 'query-replace-history from t))
(list from to current-prefix-arg)))
(let (replacements)
(if (listp to-strings)
\(Preserving case means that if the string matched is all caps, or capitalized,
then its replacement is upcased or capitalized.)
+In Transient Mark mode, if the mark is active, operate on the contents
+of the region. Otherwise, operate from point to the end of the buffer.
+
Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
only matches surrounded by word boundaries.
and `\\=\\N' (where N is a digit) stands for
whatever what matched the Nth `\\(...\\)' in REGEXP.
+In Transient Mark mode, if the mark is active, operate on the contents
+of the region. Otherwise, operate from point to the end of the buffer.
+
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.
(defun keep-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."
+Applies to all lines after point.
+
+If REGEXP contains upper case characters (excluding those preceded by `\\'),
+the matching is case-sensitive."
(interactive (list (read-from-minibuffer
"Keep lines (containing match for regexp): "
nil nil nil 'regexp-history nil t)))
(save-excursion
(or (bolp) (forward-line 1))
- (let ((start (point)))
+ (let ((start (point))
+ (case-fold-search (and case-fold-search
+ (isearch-no-upper-case-p regexp t))))
(while (not (eobp))
;; Start is first char not preserved by previous match.
(if (not (re-search-forward regexp nil 'move))
(defun flush-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."
+Applies to lines after point.
+
+If REGEXP contains upper case characters (excluding those preceded by `\\'),
+the matching is case-sensitive."
(interactive (list (read-from-minibuffer
"Flush lines (containing match for regexp): "
nil nil nil 'regexp-history nil t)))
- (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))))))
+ (let ((case-fold-search (and case-fold-search
+ (isearch-no-upper-case-p regexp t))))
+ (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)))))))
(defalias 'count-matches 'how-many)
(defun how-many (regexp)
- "Print number of matches for REGEXP following point."
- (interactive (list(read-from-minibuffer
- "How many matches for (regexp): "
- nil nil nil 'regexp-history nil t)))
- (let ((count 0) opoint)
+ "Print number of matches for REGEXP following point.
+
+If REGEXP contains upper case characters (excluding those preceded by `\\'),
+the matching is case-sensitive."
+ (interactive (list (read-from-minibuffer
+ "How many matches for (regexp): "
+ nil nil nil 'regexp-history nil t)))
+ (let ((count 0) opoint
+ (case-fold-search (and case-fold-search
+ (isearch-no-upper-case-p regexp t))))
(save-excursion
(while (and (not (eobp))
(progn (setq opoint (point))
(format "List lines matching regexp (default `%s'): "
default)
"List lines matching regexp: ")
- nil nil nil 'regexp-history nil t)))
- (if (string-equal input "")
- default
- (set-text-properties 0 (length input) nil input)
- input))
+ nil nil nil 'regexp-history default t)))
+ (and (equal input "") default
+ (setq input default))
+ input)
current-prefix-arg))
(let ((nlines (if nlines
(prefix-numeric-value nlines)
(tag (format "%5d" linenum))
(empty (make-string (length tag) ?\ ))
tem
+ insertion-start
;; Number of lines of context to show for current match.
occur-marker
;; Marker pointing to end of match in source buffer.
;; Insert matching text including context lines from
;; source buffer into *Occur*
(set-marker text-beg (point))
+ (setq insertion-start (point))
(insert-buffer-substring buffer start end)
+ (or (and (/= (+ start match-beg) end)
+ (with-current-buffer buffer
+ (eq (char-before end) ?\n)))
+ (insert "\n"))
+ (set-marker final-context-start
+ (+ (- (point) (- end (match-end 0)))
+ (if (save-excursion
+ (set-buffer buffer)
+ (save-excursion
+ (goto-char (match-end 0))
+ (end-of-line)
+ (bolp)))
+ 1 0)))
(set-marker text-end (point))
;; Highlight text that was matched.
(+ (marker-position text-beg) match-beg match-len)
(+ (marker-position text-beg) match-beg match-len 1)
'occur-point t)
- (set-marker final-context-start
- (- (point) (- end (match-end 0))))
;; Now go back to the start of the matching text
;; adding the space and colon to the start of each line.
- (goto-char (- (point) (- end start)))
+ (goto-char insertion-start)
;; Insert space and colon for lines of context before match.
(setq tem (if (< linenum nlines)
(- nlines linenum)
(forward-line 1)
(setq tag nil)
(setq this-linenum (1+ this-linenum)))
- (while (<= (point) final-context-start)
+ (while (and (not (eobp)) (<= (point) final-context-start))
(insert empty ?:)
(forward-line 1)
(setq this-linenum (1+ this-linenum))))
(format "%d lines" occur-num-matches))))
(insert message-string)
(if (interactive-p)
- (message "%s matched" message-string)))))))))
+ (message "%s matched" message-string)))
+ (setq buffer-read-only t)))))))
\f
;; It would be nice to use \\[...], but there is no reasonable way
;; to make that display both SPC and Y.
(replace-count 0)
(nonempty-match nil)
+ ;; If non-nil, it is marker saying where in the buffer to stop.
+ (limit nil)
+
;; Data for the next match. If a cons, it has the same format as
;; (match-data); otherwise it is t if a match is possible at point.
(match-again t)
(if query-flag
(substitute-command-keys
"Query replacing %s with %s: (\\<query-replace-map>\\[help] for help) "))))
+
+ ;; If region is active, in Transient Mark mode, operate on region.
+ (if (and transient-mark-mode mark-active)
+ (progn
+ (setq limit (copy-marker (region-end)))
+ (goto-char (region-beginning))
+ (deactivate-mark)))
(if (stringp replacements)
(setq next-replacement replacements)
(or repeat-count (setq repeat-count 1)))
(progn
(forward-char 1)
(not (eobp))))
- (funcall search-function search-string nil t)
+ (funcall search-function search-string limit t)
;; For speed, use only integers and
;; reuse the list used last time.
(match-data t real-match-data)))))
(setq replacement-index (% (1+ replacement-index) (length replacements)))))
(if (not query-flag)
(progn
- (store-match-data real-match-data)
+ (set-match-data real-match-data)
(replace-match next-replacement nocasify literal)
(setq replace-count (1+ replace-count)))
(undo-boundary)
;; Loop reading commands until one of them sets done,
;; which means it has finished handling this occurrence.
(while (not done)
- (store-match-data real-match-data)
+ (set-match-data real-match-data)
(replace-highlight (match-beginning 0) (match-end 0))
;; Bind message-log-max so we don't fill up the message log
;; with a bunch of identical messages.
(setq key (read-event))
;; Necessary in case something happens during read-event
;; that clobbers the match data.
- (store-match-data real-match-data)
+ (set-match-data real-match-data)
(setq key (vector key))
(setq def (lookup-key map key))
;; Restore the match data while we process the command.
(goto-char (car elt))
(setq replaced (eq t (cdr elt)))
(or replaced
- (store-match-data (cdr elt)))
+ (set-match-data (cdr elt)))
(setq stack (cdr stack)))
(message "No previous match")
(ding 'no-terminate)
((eq def 'recenter)
(recenter nil))
((eq def 'edit)
- (store-match-data
- (prog1 (match-data)
- (save-excursion (recursive-edit))))
+ (let ((opos (point-marker)))
+ (goto-char (match-beginning 0))
+ (save-excursion
+ (funcall search-function search-string limit t)
+ (setq real-match-data (match-data)))
+ (save-excursion (recursive-edit))
+ (goto-char opos))
+ (set-match-data real-match-data)
;; Before we make the replacement,
;; decide whether the search string
;; can match again just after this match.
(match-data)))))
((eq def 'delete-and-edit)
(delete-region (match-beginning 0) (match-end 0))
- (store-match-data
+ (set-match-data
(prog1 (match-data)
(save-excursion (recursive-edit))))
(setq replaced t))