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(query-replace-read-from, query-replace-read-to): New funs extracted

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from query-replace-read-args.
(query-replace-read-args): Use them.
This commit is contained in:
Stefan Monnier 2004-07-05 23:12:28 +00:00
parent 5291cbca50
commit 1606466a39
1 changed files with 30 additions and 21 deletions
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51
lisp/replace.el
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@ -64,21 +64,20 @@ strings or patterns."
:group 'matching
:version "21.4")
(defun query-replace-read-args (string regexp-flag &optional noerror)
(unless noerror
(barf-if-buffer-read-only))
(let (from to)
(if query-replace-interactive
(setq from (car (if regexp-flag regexp-search-ring search-ring)))
;; 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)))
(defun query-replace-read-from (string regexp-flag)
"Query and return the `from' argument of a query-replace operation."
(if query-replace-interactive
(car (if regexp-flag regexp-search-ring search-ring))
(let* ((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
(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.
(and regexp-flag
(string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\(\\\\[nt]\\)" from)
@ -88,13 +87,16 @@ strings or patterns."
(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))))
(sit-for 2)))
from)))
(save-excursion
(setq to (read-from-minibuffer
(format "%s %s with: " string from)
nil nil nil
query-replace-to-history-variable from t)))
(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)
nil nil nil
query-replace-to-history-variable from t))))
(when (and regexp-flag
(string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\\\[,#]" to))
(let (pos list char)
@ -129,6 +131,13 @@ strings or patterns."
(if (> (length to) 1)
(cons 'concat to)
(car to)))))
to))
(defun query-replace-read-args (string regexp-flag &optional noerror)
(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)))
(list from to current-prefix-arg)))
(defun query-replace (from-string to-string &optional delimited start end)