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Code Issues Releases Wiki Activity

Skip adjustment in some cases of overlapping chunk.

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This commit is contained in:
Andrey Kotlarski
2014-01-27 01:18:07 +02:00
parent 9510c70860
commit a71ee32508
1 changed files with 23 additions and 11 deletions
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30
vlf-base.el
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@@ -146,26 +146,39 @@ bytes added to the end."
(shift-end 0))
(let ((pos (+ (position-bytes (point)) vlf-start-pos))
(inhibit-read-only t))
(cond ((< end edit-end)
(cond ((= end vlf-start-pos)
(or (eq buffer-undo-list t)
(setq buffer-undo-list nil))
(vlf-with-undo-disabled (erase-buffer))
(setq modified nil))
((< end edit-end)
(setq end (car (vlf-delete-region
(point-min) vlf-start-pos edit-end
end (or (byte-to-position
end (min (or (byte-to-position
(- end vlf-start-pos))
(point-min))
(point-max))
nil))))
((< edit-end end)
(vlf-with-undo-disabled
(setq shift-end (cdr (vlf-insert-file-contents
vlf-end-pos end
(/= start vlf-end-pos) t
vlf-end-pos end nil t
(point-max)))))))
(setq vlf-end-pos (+ end shift-end))
(cond ((< vlf-start-pos start)
(cond ((= start edit-end)
(or (eq buffer-undo-list t)
(setq buffer-undo-list nil))
(vlf-with-undo-disabled
(delete-region (point-min) (point)))
(setq modified nil))
((< vlf-start-pos start)
(let ((del-info (vlf-delete-region
(point-min) vlf-start-pos
vlf-end-pos start
(byte-to-position
(- start vlf-start-pos)) t)))
(min (or (byte-to-position
(- start vlf-start-pos))
(point))
(point-max)) t)))
(setq start (car del-info))
(vlf-shift-undo-list (- (point-min)
(cdr del-info)))))
@@ -173,8 +186,7 @@ bytes added to the end."
(let ((edit-end-pos (point-max)))
(vlf-with-undo-disabled
(setq shift-start (car (vlf-insert-file-contents
start vlf-start-pos t
(/= end vlf-start-pos)
start vlf-start-pos t nil
edit-end-pos)))
(goto-char (point-min))
(insert (delete-and-extract-region