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Code Issues Releases Wiki Activity

Check for unsaved changes before search query and don't enable undo if

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it was previously disabled.
This commit is contained in:
Andrey Kotlarski
2013-12-04 00:03:29 +02:00
parent f34986a9b8
commit a65f3a431d
1 changed files with 42 additions and 40 deletions
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38
vlf.el
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@@ -272,16 +272,18 @@ Ask for confirmation if NOCONFIRM is nil."
(defmacro vlf-with-undo-disabled (&rest body) (defmacro vlf-with-undo-disabled (&rest body)
"Execute BODY with temporarily disabled undo." "Execute BODY with temporarily disabled undo."
(declare (indent defun)) `(let ((undo-enabled (not (eq buffer-undo-list t))))
`(progn (buffer-disable-undo) (if undo-enabled
(buffer-disable-undo))
(unwind-protect (progn ,@body) (unwind-protect (progn ,@body)
(buffer-enable-undo)))) (if undo-enabled
(buffer-enable-undo)))))
(defmacro vlf-no-modifications (&rest body) (defun vlf-no-modifications ()
"Ensure there are no modifications and execute BODY." "Ensure there are no buffer modifications."
`(if (buffer-modified-p) (if (buffer-modified-p)
(error "Save or discard your changes first") (error "Save or discard your changes first")
,@body)) t))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; batch movement ;;; batch movement
@@ -596,27 +598,27 @@ successful. Return nil if nothing found."
(defun vlf-re-search-forward (regexp count) (defun vlf-re-search-forward (regexp count)
"Search forward for REGEXP prefix COUNT number of times. "Search forward for REGEXP prefix COUNT number of times.
Search is performed chunk by chunk in `vlf-batch-size' memory." Search is performed chunk by chunk in `vlf-batch-size' memory."
(interactive (list (read-regexp "Search whole file" (interactive (if (vlf-no-modifications)
(list (read-regexp "Search whole file"
(if regexp-history (if regexp-history
(car regexp-history))) (car regexp-history)))
(or current-prefix-arg 1))) (or current-prefix-arg 1))))
(vlf-no-modifications (vlf-re-search regexp count nil (/ vlf-batch-size 8)))
(vlf-re-search regexp count nil (/ vlf-batch-size 8))))
(defun vlf-re-search-backward (regexp count) (defun vlf-re-search-backward (regexp count)
"Search backward for REGEXP prefix COUNT number of times. "Search backward for REGEXP prefix COUNT number of times.
Search is performed chunk by chunk in `vlf-batch-size' memory." Search is performed chunk by chunk in `vlf-batch-size' memory."
(interactive (list (read-regexp "Search whole file backward" (interactive (if (vlf-no-modifications)
(list (read-regexp "Search whole file backward"
(if regexp-history (if regexp-history
(car regexp-history))) (car regexp-history)))
(or current-prefix-arg 1))) (or current-prefix-arg 1))))
(vlf-no-modifications (vlf-re-search regexp count t (/ vlf-batch-size 8)))
(vlf-re-search regexp count t (/ vlf-batch-size 8))))
(defun vlf-goto-line (n) (defun vlf-goto-line (n)
"Go to line N. If N is negative, count from the end of file." "Go to line N. If N is negative, count from the end of file."
(interactive "nGo to line: ") (interactive (if (vlf-no-modifications)
(vlf-no-modifications (list (read-number "Go to line: "))))
(let ((start-pos vlf-start-pos) (let ((start-pos vlf-start-pos)
(end-pos vlf-end-pos) (end-pos vlf-end-pos)
(pos (point)) (pos (point))
@@ -633,7 +635,7 @@ Search is performed chunk by chunk in `vlf-batch-size' memory."
(if success (if success
(message "Onto line %s" n) (message "Onto line %s" n)
(vlf-move-to-chunk start-pos end-pos) (vlf-move-to-chunk start-pos end-pos)
(goto-char pos)))))) (goto-char pos)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; occur ;;; occur