;;; replace.el --- replace commands for Emacs
-;; Copyright (C) 1985, 86, 87, 92, 94, 96, 1997, 2000, 2001, 2002
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1985, 86, 87, 92, 94, 96, 1997, 2000, 2001, 2002,
+;; 2003, 2004 Free Software Foundation, Inc.
;; Maintainer: FSF
(defvar query-replace-history nil)
-(defvar query-replace-interactive nil
+(defcustom query-replace-interactive nil
"Non-nil means `query-replace' uses the last search string.
-That becomes the \"string to replace\".")
+That becomes the \"string to replace\"."
+ :type 'boolean
+ :group 'matching)
(defcustom query-replace-from-history-variable 'query-replace-history
"History list to use for the FROM argument of `query-replace' commands.
(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-from-history-variable
- nil t))
+ ;; The save-excursion here is in case the user marks and copies
+ ;; a region in order to specify the minibuffer input.
+ ;; That should not clobber the region for the query-replace itself.
+ (save-excursion
+ (setq from (read-from-minibuffer (format "%s: " string)
+ nil nil nil
+ query-replace-from-history-variable
+ nil t)))
;; Warn if user types \n or \t, but don't reject the input.
- (if (string-match "\\\\[nt]" from)
- (let ((match (match-string 0 from)))
- (cond
- ((string= match "\\n")
- (message "Note: `\\n' here doesn't match a newline; to do that, type C-q C-j instead"))
- ((string= match "\\t")
- (message "Note: `\\t' here doesn't match a tab; to do that, just type TAB")))
- (sit-for 2))))
-
- (setq to (read-from-minibuffer (format "%s %s with: " string from)
- nil nil nil
- query-replace-to-history-variable from t))
- (if (and transient-mark-mode mark-active)
- (list from to current-prefix-arg (region-beginning) (region-end))
- (list from to current-prefix-arg nil nil))))
+ (and regexp-flag
+ (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\(\\\\[nt]\\)" from)
+ (let ((match (match-string 3 from)))
+ (cond
+ ((string= match "\\n")
+ (message "Note: `\\n' here doesn't match a newline; to do that, type C-q C-j instead"))
+ ((string= match "\\t")
+ (message "Note: `\\t' here doesn't match a tab; to do that, just type TAB")))
+ (sit-for 2))))
+
+ (save-excursion
+ (setq to (read-from-minibuffer (format "%s %s with: " string from)
+ nil nil nil
+ query-replace-to-history-variable from t)))
+ (list from to current-prefix-arg)))
(defun query-replace (from-string to-string &optional delimited start end)
"Replace some occurrences of FROM-STRING with TO-STRING.
string is used as FROM-STRING--you don't have to specify it with the
minibuffer.
-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.)
+Matching is independent of case if `case-fold-search' is non-nil and
+FROM-STRING has no uppercase letters. Replacement transfers the case
+pattern 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. \(Transferring the case pattern means that if the old text
+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.
Fourth and fifth arg START and END specify the region to operate on.
To customize possible responses, change the \"bindings\" in `query-replace-map'."
- (interactive (query-replace-read-args "Query replace" nil))
+ (interactive (let ((common
+ (query-replace-read-args "Query replace" nil)))
+ (list (nth 0 common) (nth 1 common) (nth 2 common)
+ ;; These are done separately here
+ ;; so that command-history will record these expressions
+ ;; rather than the values they had this time.
+ (if (and transient-mark-mode mark-active)
+ (region-beginning))
+ (if (and transient-mark-mode mark-active)
+ (region-end)))))
(perform-replace from-string to-string t nil delimited nil nil start end))
(define-key esc-map "%" 'query-replace)
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.
+Matching is independent of case if `case-fold-search' is non-nil and
+REGEXP has no uppercase letters. Replacement transfers the case
+pattern of the old text to the new text, if `case-replace' and
+`case-fold-search' are non-nil and REGEXP has no uppercase letters.
+\(Transferring the case pattern means that if the old text 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."
- (interactive (query-replace-read-args "Query replace regexp" t))
+whatever what matched the Nth `\\(...\\)' in REGEXP.
+
+When this function is called interactively, the replacement text
+can also contain `\\,' followed by a Lisp expression. The escaped
+shorthands for `query-replace-regexp-eval' are also valid
+here: within the Lisp expression, you can use `\\&' for the whole
+match string, `\\N' for partial matches, `\\#&' and `\\#N' for
+the respective numeric values, and `\\#' for `replace-count'.
+
+If your Lisp expression is an identifier and the next
+letter in the replacement string would be interpreted as part of it,
+you can wrap it with an expression like `\\,(or \\#)'. Incidentally,
+for this particular case you may also enter `\\#' in the replacement
+text directly.
+
+When you use `\\,' or `\\#' in the replacement, TO-STRING actually
+becomes a list with expanded shorthands.
+Use \\[repeat-complex-command] after this command to see details."
+ (interactive
+ (let ((common
+ (query-replace-read-args "Query replace regexp" t)))
+ (list
+ (nth 0 common)
+ (if (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\\\[,#]"
+ (nth 1 common))
+ (let ((to-string (nth 1 common)) pos to-expr char prompt)
+ (while (string-match
+ "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\\\[,#]"
+ to-string)
+ (setq pos (match-end 0))
+ (push (substring to-string 0 (- pos 2)) to-expr)
+ (setq char (aref to-string (1- pos))
+ to-string (substring to-string pos))
+ (cond ((eq char ?\#)
+ (push '(number-to-string replace-count) to-expr))
+ ((eq char ?\,)
+ (setq pos (read-from-string to-string))
+ (push `(replace-quote ,(car pos)) to-expr)
+ (setq to-string (substring to-string (cdr pos))))))
+ (setq to-expr (nreverse (delete "" (cons to-string to-expr))))
+ (replace-match-string-symbols to-expr)
+ (cons 'replace-eval-replacement
+ (if (> (length to-expr) 1)
+ (cons 'concat to-expr)
+ (car to-expr))))
+ (nth 1 common))
+ (nth 2 common)
+ ;; These are done separately here
+ ;; so that command-history will record these expressions
+ ;; rather than the values they had this time.
+ (if (and transient-mark-mode mark-active)
+ (region-beginning))
+ (if (and transient-mark-mode mark-active)
+ (region-end)))))
(perform-replace regexp to-string t t delimited nil nil start end))
+
(define-key esc-map [?\C-%] 'query-replace-regexp)
(defun query-replace-regexp-eval (regexp to-expr &optional delimited start end)
`\\0' to stand for whatever matched the whole of REGEXP, and `\\N' (where
N is a digit) to stand for whatever matched the Nth `\\(...\\)' in REGEXP.
Use `\\#&' or `\\#N' if you want a number instead of a string.
+In interactive use, `\\#' in itself stands for `replace-count'.
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.
only matches that are surrounded by word boundaries.
Fourth and fifth arg START and END specify the region to operate on."
(interactive
- (let (from to start end)
- (when (and transient-mark-mode mark-active)
- (setq start (region-beginning)
- end (region-end)))
+ (let (from to)
(if query-replace-interactive
(setq from (car regexp-search-ring))
(setq from (read-from-minibuffer "Query replace regexp: "
;; We make TO a list because replace-match-string-symbols requires one,
;; and the user might enter a single token.
(replace-match-string-symbols to)
- (list from (car to) current-prefix-arg start end)))
+ (list from (car to) current-prefix-arg
+ (if (and transient-mark-mode mark-active)
+ (region-beginning))
+ (if (and transient-mark-mode mark-active)
+ (region-end)))))
(perform-replace regexp (cons 'replace-eval-replacement to-expr)
- t t delimited nil nil start end))
+ t 'literal delimited nil nil start end))
(defun map-query-replace-regexp (regexp to-strings &optional n start end)
"Replace some matches for REGEXP with various strings, in rotation.
before rotating to the next.
Fourth and fifth arg START and END specify the region to operate on."
(interactive
- (let (from to start end)
- (when (and transient-mark-mode mark-active)
- (setq start (region-beginning)
- end (region-end)))
+ (let (from to)
(setq from (if query-replace-interactive
(car regexp-search-ring)
(read-from-minibuffer "Map query replace (regexp): "
from)
nil nil nil
'query-replace-history from t))
- (list from to start end current-prefix-arg)))
+ (list from to
+ (and current-prefix-arg
+ (prefix-numeric-value current-prefix-arg))
+ (if (and transient-mark-mode mark-active)
+ (region-beginning))
+ (if (and transient-mark-mode mark-active)
+ (region-end)))))
(let (replacements)
(if (listp to-strings)
(setq replacements to-strings)
which will run faster and will not set the mark or print anything.
\(You may need a more complex loop if FROM-STRING can match the null string
and TO-STRING is also null.)"
- (interactive (query-replace-read-args "Replace string" nil))
+ (interactive
+ (let ((common
+ (query-replace-read-args "Replace string" nil)))
+ (list (nth 0 common) (nth 1 common) (nth 2 common)
+ (if (and transient-mark-mode mark-active)
+ (region-beginning))
+ (if (and transient-mark-mode mark-active)
+ (region-end)))))
(perform-replace from-string to-string nil nil delimited nil nil start end))
(defun replace-regexp (regexp to-string &optional delimited start end)
(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))
+ (interactive
+ (let ((common
+ (query-replace-read-args "Replace regexp" t)))
+ (list (nth 0 common) (nth 1 common) (nth 2 common)
+ (if (and transient-mark-mode mark-active)
+ (region-beginning))
+ (if (and transient-mark-mode mark-active)
+ (region-end)))))
(perform-replace regexp to-string nil t delimited nil nil start end))
\f
end of the buffer."
(interactive
- (keep-lines-read-args "Keep lines (containing match for regexp): "))
+ (progn
+ (barf-if-buffer-read-only)
+ (keep-lines-read-args "Keep lines (containing match for regexp): ")))
(if rstart
- (goto-char (min rstart rend))
+ (progn
+ (goto-char (min rstart rend))
+ (setq rend (copy-marker (max rstart rend))))
(if (and transient-mark-mode mark-active)
(setq rstart (region-beginning)
rend (copy-marker (region-end)))
;; 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 (< (point) rend)
end of the buffer."
(interactive
- (keep-lines-read-args "Flush lines (containing match for regexp): "))
+ (progn
+ (barf-if-buffer-read-only)
+ (keep-lines-read-args "Flush lines (containing match for regexp): ")))
(if rstart
- (goto-char (min rstart rend))
+ (progn
+ (goto-char (min rstart rend))
+ (setq rend (copy-marker (max rstart rend))))
(if (and transient-mark-mode mark-active)
(setq rstart (region-beginning)
rend (copy-marker (region-end)))
(define-key map [mouse-2] 'occur-mode-mouse-goto)
(define-key map "\C-c\C-c" 'occur-mode-goto-occurrence)
(define-key map "\C-m" 'occur-mode-goto-occurrence)
- (define-key map "\o" 'occur-mode-goto-occurrence-other-window)
+ (define-key map "o" 'occur-mode-goto-occurrence-other-window)
(define-key map "\C-o" 'occur-mode-display-occurrence)
(define-key map "\M-n" 'occur-next)
(define-key map "\M-p" 'occur-prev)
+ (define-key map "r" 'occur-rename-buffer)
+ (define-key map "c" 'clone-buffer)
(define-key map "g" 'revert-buffer)
- (define-key map "q" 'delete-window)
+ (define-key map "q" 'quit-window)
+ (define-key map "z" 'kill-this-buffer)
map)
"Keymap for `occur-mode'.")
"Arguments to pass to `occur-1' to revert an Occur mode buffer.
See `occur-revert-function'.")
+(defcustom occur-mode-hook '(turn-on-font-lock)
+ "Hook run when entering Occur mode."
+ :type 'hook
+ :group 'matching)
+
+(defcustom occur-hook nil
+ "Hook run when `occur' is called."
+ :type 'hook
+ :group 'matching)
+
(put 'occur-mode 'mode-class 'special)
(defun occur-mode ()
"Major mode for output from \\[occur].
Alternatively, click \\[occur-mode-mouse-goto] on an item to go to it.
\\{occur-mode-map}"
+ (interactive)
(kill-all-local-variables)
(use-local-map occur-mode-map)
(setq major-mode 'occur-mode)
(setq mode-name "Occur")
- (make-local-variable 'revert-buffer-function)
- (set (make-local-variable 'font-lock-defaults)
- '(nil t nil nil nil
- (font-lock-fontify-region-function . occur-fontify-region-function)))
- (setq revert-buffer-function 'occur-revert-function)
(set (make-local-variable 'revert-buffer-function) 'occur-revert-function)
(make-local-variable 'occur-revert-arguments)
+ (add-hook 'change-major-mode-hook 'font-lock-defontify nil t)
+ (setq next-error-function 'occur-next-error)
(run-hooks 'occur-mode-hook))
(defun occur-revert-function (ignore1 ignore2)
"Handle `revert-buffer' for Occur mode buffers."
- (apply 'occur-1 occur-revert-arguments))
+ (apply 'occur-1 (append occur-revert-arguments (list (buffer-name)))))
(defun occur-mode-mouse-goto (event)
"In Occur mode, go to the occurrence whose line you click on."
(select-window window)
(goto-char pos))))
-(defun occur-next (&optional n)
- "Move to the Nth (default 1) next match in an Occur mode buffer."
- (interactive "p")
+(defun occur-find-match (n search message)
(if (not n) (setq n 1))
(let ((r))
(while (> n 0)
- (if (get-text-property (point) 'occur-point)
- (forward-char 1))
- (setq r (next-single-property-change (point) 'occur-point))
+ (setq r (funcall search (point) 'occur-match))
+ (and r
+ (get-text-property r 'occur-match)
+ (setq r (funcall search r 'occur-match)))
(if r
- (goto-char r)
- (error "No more matches"))
+ (goto-char r)
+ (error message))
(setq n (1- n)))))
+(defun occur-next (&optional n)
+ "Move to the Nth (default 1) next match in an Occur mode buffer."
+ (interactive "p")
+ (occur-find-match n #'next-single-property-change "No more matches"))
+
(defun occur-prev (&optional n)
"Move to the Nth (default 1) previous match in an Occur mode buffer."
(interactive "p")
- (if (not n) (setq n 1))
- (let ((r))
- (while (> n 0)
-
- (setq r (get-text-property (point) 'occur-point))
- (if r (forward-char -1))
-
- (setq r (previous-single-property-change (point) 'occur-point))
- (if r
- (goto-char (- r 1))
- (error "No earlier matches"))
-
- (setq n (1- n)))))
+ (occur-find-match n #'previous-single-property-change "No earlier matches"))
+
+(defun occur-next-error (&optional argp reset)
+ "Move to the Nth (default 1) next match in an Occur mode buffer.
+Compatibility function for \\[next-error] invocations."
+ (interactive "p")
+ (when reset
+ (occur-find-match 0 #'next-single-property-change "No first match"))
+ (occur-find-match
+ (prefix-numeric-value argp)
+ (if (> 0 (prefix-numeric-value argp))
+ #'previous-single-property-change
+ #'next-single-property-change)
+ "No more matches")
+ (occur-mode-goto-occurrence))
+
\f
(defcustom list-matching-lines-default-context-lines 0
"*Default number of context lines included around `list-matching-lines' matches.
(if (equal input "")
default
input))
- current-prefix-arg))
+ (when current-prefix-arg
+ (prefix-numeric-value current-prefix-arg))))
+
+(defun occur-rename-buffer (&optional unique-p)
+ "Rename the current *Occur* buffer to *Occur: original-buffer-name*.
+Here `original-buffer-name' is the buffer name were occur was originally run.
+When given the prefix argument, the renaming will not clobber the existing
+buffer(s) of that name, but use `generate-new-buffer-name' instead.
+You can add this to `occur-hook' if you always want a separate *Occur*
+buffer for each buffer where you invoke `occur'."
+ (interactive "P")
+ (with-current-buffer
+ (if (eq major-mode 'occur-mode) (current-buffer) (get-buffer "*Occur*"))
+ (rename-buffer (concat "*Occur: "
+ (mapconcat #'buffer-name
+ (car (cddr occur-revert-arguments)) "/")
+ "*")
+ unique-p)))
(defun occur (regexp &optional nlines)
"Show all lines in the current buffer containing a match for REGEXP.
`occur'."
(interactive
(cons
- (let ((bufs (list (read-buffer "First buffer to search: "
- (current-buffer) t)))
- (buf nil))
+ (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 "Next buffer to search (RET to end): "
- nil t))
+ (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))
""))
- (push buf bufs))
+ (add-to-list 'bufs buf)
+ (setq ido-ignore-item-temp-list bufs))
(nreverse (mapcar #'get-buffer bufs)))
(occur-read-primary-args)))
(occur-1 regexp nlines bufs))
buf))
(buffer-list))))))
-(defun occur-1 (regexp nlines bufs)
- (let ((occur-buf (get-buffer-create "*Occur*"))
+(defun occur-1 (regexp nlines bufs &optional buf-name)
+ (unless buf-name
+ (setq buf-name "*Occur*"))
+ (let ((occur-buf (get-buffer-create buf-name))
(made-temp-buf nil)
(active-bufs (delq nil (mapcar #'(lambda (buf)
(when (buffer-live-p buf) buf))
(or nlines list-matching-lines-default-context-lines)
(and case-fold-search
(isearch-no-upper-case-p regexp t))
- nil nil nil nil)))
- (let* ((diff (- (length bufs) (length active-bufs)))
- (msg (concat
- (format "Searched %d buffers" (- (length bufs) diff))
- "%s; "
- (format "%s matches for `%s'"
- (if (zerop count)
- "no"
- (format "%d" count))
- regexp))))
- (message msg (if (zerop diff)
- ""
- (format " (%d killed)" diff))))
+ list-matching-lines-buffer-name-face
+ nil list-matching-lines-face nil)))
+ (let* ((bufcount (length active-bufs))
+ (diff (- (length bufs) bufcount)))
+ (message "Searched %d buffer%s%s; %s match%s for `%s'"
+ bufcount (if (= bufcount 1) "" "s")
+ (if (zerop diff) "" (format " (%d killed)" diff))
+ (if (zerop count) "no" (format "%d" count))
+ (if (= count 1) "" "es")
+ regexp))
;; If we had to make a temporary buffer, make it the *Occur*
;; buffer now.
(when made-temp-buf
- (with-current-buffer (get-buffer "*Occur*")
- (kill-this-buffer))
- (rename-buffer "*Occur*"))
+ (with-current-buffer (get-buffer buf-name)
+ (kill-buffer (current-buffer)))
+ (rename-buffer buf-name))
(setq occur-revert-arguments (list regexp nlines bufs)
buffer-read-only t)
(if (> count 0)
- (display-buffer occur-buf)
- (kill-buffer occur-buf))))))
+ (progn
+ (display-buffer occur-buf)
+ (setq next-error-last-buffer occur-buf))
+ (kill-buffer occur-buf)))
+ (run-hooks 'occur-hook))))
(defun occur-engine-add-prefix (lines)
(mapcar
#'(lambda (line)
- (concat " :" line "\n"))
+ (concat " :" line "\n"))
lines))
(defun occur-engine (regexp buffers out-buf nlines case-fold-search
title-face prefix-face match-face keep-props)
(with-current-buffer out-buf
(setq buffer-read-only nil)
- (let ((globalcount 0))
+ (let ((globalcount 0)
+ (coding nil))
;; Map over all the buffers
(dolist (buf buffers)
(when (buffer-live-p buf)
(headerpt (with-current-buffer out-buf (point))))
(save-excursion
(set-buffer buf)
+ (or coding
+ ;; Set CODING only if the current buffer locally
+ ;; binds buffer-file-coding-system.
+ (not (local-variable-p 'buffer-file-coding-system))
+ (setq coding buffer-file-coding-system))
(save-excursion
(goto-char (point-min)) ;; begin searching in the buffer
(while (not (eobp))
(setq origpt (point))
(when (setq endpt (re-search-forward regexp nil t))
(setq matches (1+ matches)) ;; increment match count
- (setq globalcount (1+ globalcount))
(setq matchbeg (match-beginning 0)
matchend (match-end 0))
(setq begpt (save-excursion
(add-text-properties (match-beginning 0)
(match-end 0)
(append
- '(occur-match t)
+ `(occur-match t)
(when match-face
- `(face ,match-face)))
+ `(font-lock-face ,match-face)))
curstring)
(setq start (match-end 0))))
;; Generate the string to insert for this match
(let* ((out-line
(concat
- (apply #'propertize (format "%6d:" lines)
+ ;; Using 7 digits aligns tabs properly.
+ (apply #'propertize (format "%7d:" lines)
(append
(when prefix-face
- `(face prefix-face))
+ `(font-lock-face prefix-face))
'(occur-prefix t)))
curstring
"\n"))
(unless (= nlines 0)
(insert "-------\n"))
(add-text-properties
- beg (1- end)
- `(occur-target ,marker
- mouse-face highlight help-echo
- "mouse-2: go to this occurrence")))))
+ beg end
+ `(occur-target ,marker help-echo "mouse-2: go to this occurrence"))
+ ;; We don't put `mouse-face' on the newline,
+ ;; because that loses.
+ (add-text-properties beg (1- end) '(mouse-face highlight)))))
(goto-char endpt))
- (setq lines (1+ lines))
- ;; On to the next match...
- (forward-line 1))))
+ (if endpt
+ (progn
+ (setq lines (1+ lines))
+ ;; On to the next match...
+ (forward-line 1))
+ (goto-char (point-max))))))
(when (not (zerop matches)) ;; is the count zero?
+ (setq globalcount (+ globalcount matches))
(with-current-buffer out-buf
(goto-char headerpt)
(let ((beg (point))
end)
- (insert (format "%d lines matching \"%s\" in buffer: %s\n"
- matches regexp (buffer-name buf)))
+ (insert (format "%d match%s for \"%s\" in buffer: %s\n"
+ matches (if (= matches 1) "" "es")
+ regexp (buffer-name buf)))
(setq end (point))
(add-text-properties beg end
(append
(when title-face
- `(face ,title-face))
+ `(font-lock-face ,title-face))
`(occur-title ,buf))))
(goto-char (point-min)))))))
+ (if coding
+ ;; CODING is buffer-file-coding-system of the first buffer
+ ;; that locally binds it. Let's use it also for the output
+ ;; buffer.
+ (set-buffer-file-coding-system coding))
;; Return the number of matches
globalcount)))
-(defun occur-fontify-on-property (prop face beg end)
- (let ((prop-beg (or (and (get-text-property (point) prop) (point))
- (next-single-property-change (point) prop nil end))))
- (when (and prop-beg (not (= prop-beg end)))
- (let ((prop-end (next-single-property-change beg prop nil end)))
- (when (and prop-end (not (= prop-end end)))
- (put-text-property prop-beg prop-end 'face face)
- prop-end)))))
-
-(defun occur-fontify-region-function (beg end &optional verbose)
- (when verbose (message "Fontifying..."))
- (let ((inhibit-read-only t))
- (save-excursion
- (dolist (e `((occur-title . ,list-matching-lines-buffer-name-face)
- (occur-match . ,list-matching-lines-face)))
- ; (occur-prefix . ,list-matching-lines-prefix-face)))
- (goto-char beg)
- (let ((change-end nil))
- (while (setq change-end (occur-fontify-on-property (car e)
- (cdr e)
- (point)
- end))
- (goto-char change-end))))))
- (when verbose (message "Fontifying...done")))
-
\f
;; It would be nice to use \\[...], but there is no reasonable way
;; to make that display both SPC and Y.
#N (string-to-number (match-string N))
& (match-string 0)
#& (string-to-number (match-string 0))
+# replace-count
Note that these symbols must be preceeded by a backslash in order to
type them."
((string= "&" name)
(setcar n '(match-string 0)))
((string= "#&" name)
- (setcar n '(string-to-number (match-string 0))))))))
+ (setcar n '(string-to-number (match-string 0))))
+ ((string= "#" name)
+ (setcar n 'replace-count))))))
(setq n (cdr n))))
(defun replace-eval-replacement (expression replace-count)
replacement
(prin1-to-string replacement t))))
+(defun replace-quote (replacement)
+ "Quote a replacement string.
+This just doubles all backslashes in REPLACEMENT and
+returns the resulting string. If REPLACEMENT is not
+a string, it is first passed through `prin1-to-string'
+with the `noescape' argument set.
+
+`match-data' is preserved across the call."
+ (save-match-data
+ (replace-regexp-in-string "\\\\" "\\\\"
+ (if (stringp replacement)
+ replacement
+ (prin1-to-string replacement t))
+ t t)))
+
(defun replace-loop-through-replacements (data replace-count)
;; DATA is a vector contaning the following values:
;; 0 next-rotate-count
(aset data 2 (if (consp next) next (aref data 3))))))
(car (aref data 2)))
-(defun perform-replace (from-string replacements
+(defun perform-replace (from-string replacements
query-flag regexp-flag delimited-flag
&optional repeat-count map start end)
"Subroutine of `query-replace'. Its complexity handles interactive queries.
which will run faster and probably do exactly what you want. Please
see the documentation of `replace-match' to find out how to simulate
-`case-replace'."
+`case-replace'.
+
+This function returns nil if and only if there were no matches to
+make, or the user didn't cancel the call."
(or map (setq map query-replace-map))
(and query-flag minibuffer-auto-raise
(raise-frame (window-frame (minibuffer-window))))
(case-fold-search (and case-fold-search
(string-equal from-string
(downcase from-string))))
- (literal (not regexp-flag))
+ (literal (or (not regexp-flag) (eq regexp-flag 'literal)))
(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
(unwind-protect
;; Loop finding occurrences that perhaps should be replaced.
(while (and keep-going
- (not (eobp))
+ (not (or (eobp) (and limit (>= (point) limit))))
;; Use the next match if it is already known;
;; otherwise, search for a match after moving forward
;; one char if progress is required.
;; character too far at the end,
;; but this is undone after the
;; while-loop.
- (progn (forward-char 1) (not (eobp))))
+ (progn
+ (forward-char 1)
+ (not (or (eobp)
+ (and limit (>= (point) limit))))))
(funcall search-function search-string limit t)
;; For speed, use only integers and
;; reuse the list used last time.
(setq done t))
((eq def 'backup)
(if stack
- (let ((elt (car stack)))
+ (let ((elt (pop stack)))
(goto-char (car elt))
(setq replaced (eq t (cdr elt)))
(or replaced
- (set-match-data (cdr elt)))
- (setq stack (cdr stack)))
+ (set-match-data (cdr elt))))
(message "No previous match")
(ding 'no-terminate)
(sit-for 1)))
(if (and regexp-flag nonempty-match)
(setq match-again (and (looking-at search-string)
(match-data)))))
-
+
;; Edit replacement.
((eq def 'edit-replacement)
(setq next-replacement
(or replaced
(replace-match next-replacement nocasify literal))
(setq done t))
-
+
((eq def 'delete-and-edit)
(delete-region (match-beginning 0) (match-end 0))
(set-match-data
;; beyond the last replacement. Undo that.
(when (and regexp-flag (not match-again) (> replace-count 0))
(backward-char 1))
-
+
(replace-dehighlight))
(or unread-command-events
(message "Replaced %d occurrence%s"
'query-replace 'region))))
(move-overlay replace-overlay start end (current-buffer)))))
+;;; arch-tag: 16b4cd61-fd40-497b-b86f-b667c4cf88e4
;;; replace.el ends here