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(query-replace-descr): New fun.

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(query-replace-read-from, query-replace-read-args): Default to the last from&to.
(query-replace-read-to): Quote the `from' string when displaying it.
(query-replace-regexp-eval): Immediately check read-only status.
Use query-replace-read-from to get the \n checking.
Quote the `from' string when displaying it.
(map-query-replace-regexp, occur-read-primary-args):
Quote the `from' string when displaying it.
This commit is contained in:
Stefan Monnier 2004-07-06 00:06:05 +00:00
parent fe3b7e35ad
commit 6f1df6d9d6
2 changed files with 78 additions and 32 deletions
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34
lisp/ChangeLog
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@ -1,7 +1,34 @@
2004-07-05 Stefan <monnier@iro.umontreal.ca>
* replace.el (query-replace-descr): New fun.
(query-replace-read-from, query-replace-read-args): Default to the
previous from&to.
(query-replace-read-to): Quote the `from' string when displaying it.
(query-replace-regexp-eval): Immediately check read-only status.
Use query-replace-read-from to get the \n checking.
Quote the `from' string when displaying it.
(map-query-replace-regexp, occur-read-primary-args):
Quote the `from' string when displaying it.
* isearch.el (isearch-query-replace): Pass the regexp-ness and
delimited-ness of the search to query-replace.
* replace.el (query-replace-read-from, query-replace-read-to):
New funs extracted from query-replace-read-args.
(query-replace-read-args): Use them.
* replace.el (query-replace-interactive, query-replace-read-args):
Remove the `initial' special value.
(query-replace-regexp-eval, map-query-replace-regexp): Simplify.
(occur-engine): Remove unused var `matchend'.
* isearch.el (isearch-query-replace, isearch-query-replace-regexp):
Use the search string without prompting.
2004-07-05 Kenichi Handa <handa@m17n.org>
* international/mule.el (decode-coding-inserted-region): Set
last-coding-system-used only when coding is nil.
* international/mule.el (decode-coding-inserted-region):
Set last-coding-system-used only when coding is nil.
2004-07-03 Eli Zaretskii <eliz@gnu.org>
@ -14,8 +41,7 @@
2004-07-03 KOSEKI Yoshinori <kose@meadowy.org>
* iimage.el (turn-on-iimage-mode, iimage-mode): Add autoload
cookies.
* iimage.el (turn-on-iimage-mode, iimage-mode): Add autoload cookies.
(iimage-mode-image-search-path): New user option to search the
image file.
(iimage-locate-file): New funcion. Emacs21.3 or earlier does not

76
lisp/replace.el
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@ -1,7 +1,7 @@
;;; replace.el --- replace commands for Emacs
;; Copyright (C) 1985, 86, 87, 92, 94, 96, 1997, 2000, 2001, 2002,
;; 2003, 2004 Free Software Foundation, Inc.
;; Copyright (C) 1985, 1986, 1987, 1992, 1994, 1996, 1997, 2000, 2001, 2002,
;; 2003, 2004 Free Software Foundation, Inc.
;; Maintainer: FSF
@ -64,37 +64,54 @@ strings or patterns."
:group 'matching
:version "21.4")
(defun query-replace-descr (string)
(mapconcat 'isearch-text-char-description string ""))
(defun query-replace-read-from (string regexp-flag)
"Query and return the `from' argument of a query-replace operation."
"Query and return the `from' argument of a query-replace operation.
The return value can also be a pair (FROM . TO) indicating that the user
wants to replace FROM with TO."
(if query-replace-interactive
(car (if regexp-flag regexp-search-ring search-ring))
(let* ((from
(let* ((lastfrom (car (symbol-value query-replace-from-history-variable)))
(lastto (car (symbol-value query-replace-to-history-variable)))
(from
;; 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
(when (equal lastfrom lastto)
;; Typically, this is because the two histlists are shared.
(setq lastfrom (cadr (symbol-value
query-replace-from-history-variable))))
(read-from-minibuffer
(format "%s: " string)
(if (and lastto lastfrom)
(format "%s (default %s -> %s): " string
(query-replace-descr lastfrom)
(query-replace-descr lastto))
(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.
(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)))
from)))
(if (and (zerop (length from)) lastto lastfrom)
(cons lastfrom lastto)
;; Warn if user types \n or \t, but don't reject the input.
(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)))
from))))
(defun query-replace-read-to (from string regexp-flag)
"Query and return the `from' argument of a query-replace operation."
(let ((to (save-excursion
(read-from-minibuffer
(format "%s %s with: " string from)
(format "%s %s with: " string (query-replace-descr from))
nil nil nil
query-replace-to-history-variable from t))))
(when (and regexp-flag
@ -137,7 +154,8 @@ strings or patterns."
(unless noerror
(barf-if-buffer-read-only))
(let* ((from (query-replace-read-from string regexp-flag))
(to (query-replace-read-to from string regexp-flag)))
(to (if (consp from) (prog1 (cdr from) (setq from (car from)))
(query-replace-read-to from string regexp-flag))))
(list from to current-prefix-arg)))
(defun query-replace (from-string to-string &optional delimited start end)
@ -269,14 +287,16 @@ Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
only matches that are surrounded by word boundaries.
Fourth and fifth arg START and END specify the region to operate on."
(interactive
(let* ((from (if query-replace-interactive
(car regexp-search-ring)
(read-from-minibuffer "Query replace regexp: "
nil nil nil
query-replace-from-history-variable
nil t)))
(barf-if-buffer-read-only)
(let* ((from
;; Let-bind the history var to disable the "foo -> bar" default.
;; Maybe we shouldn't disable this default, but for now I'll
;; leave it off. --Stef
(let ((query-replace-to-history-variable nil))
(query-replace-read-from "Query replace regexp" t)))
(to (list (read-from-minibuffer
(format "Query replace regexp %s with eval: " from)
(format "Query replace regexp %s with eval: "
(query-replace-descr from))
nil nil t query-replace-to-history-variable from t))))
;; We make TO a list because replace-match-string-symbols requires one,
;; and the user might enter a single token.
@ -317,7 +337,7 @@ Fourth and fifth arg START and END specify the region to operate on."
'query-replace-history nil t)))
(to (read-from-minibuffer
(format "Query replace %s with (space-separated strings): "
from)
(query-replace-descr from))
nil nil nil
'query-replace-history from t)))
(list from to
@ -760,7 +780,7 @@ If the value is nil, don't highlight the buffer names specially."
(read-from-minibuffer
(if default
(format "List lines matching regexp (default `%s'): "
default)
(query-replace-descr default))
"List lines matching regexp: ")
nil
nil
@ -1538,5 +1558,5 @@ make, or the user didn't cancel the call."
(if (facep 'query-replace)
'query-replace 'region)))))
;;; arch-tag: 16b4cd61-fd40-497b-b86f-b667c4cf88e4
;; arch-tag: 16b4cd61-fd40-497b-b86f-b667c4cf88e4
;;; replace.el ends here