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(find-dired-filter): Align columns by padding file sizes and link

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numbers.
This commit is contained in:
Chong Yidong 2008-04-01 17:34:20 +00:00
parent 96c0d8d474
commit 4543e21391
1 changed files with 41 additions and 28 deletions
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69
lisp/find-dired.el
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@ -240,37 +240,50 @@ Thus ARG can also contain additional grep options."
;; Filter for \\[find-dired] processes.
(let ((buf (process-buffer proc))
(inhibit-read-only t))
(if (buffer-name buf) ; not killed?
(save-excursion
(set-buffer buf)
(if (buffer-name buf)
(with-current-buffer buf
(save-restriction
(widen)
(save-excursion
(let ((buffer-read-only nil)
(end (point-max)))
(goto-char end)
(insert string)
(goto-char end)
(or (looking-at "^")
(forward-line 1))
(while (looking-at "^")
(insert " ")
(let ((buffer-read-only nil)
(beg (point-max))
(l-opt (and (consp find-ls-option)
(string-match "l" (cdr find-ls-option))))
(ls-regexp (concat "^ +[^ \t\r\n]+\\( +[^ \t\r\n]+\\) +"
"[^ \t\r\n]+ +[^ \t\r\n]+\\( +[0-9]+\\)")))
(goto-char beg)
(insert string)
(goto-char beg)
(or (looking-at "^")
(forward-line 1))
;; Convert ` ./FILE' to ` FILE'
;; This would lose if the current chunk of output
;; starts or ends within the ` ./', so back up a bit:
(goto-char (- end 3)) ; no error if < 0
(while (search-forward " ./" nil t)
(delete-region (point) (- (point) 2)))
;; Find all the complete lines in the unprocessed
;; output and process it to add text properties.
(goto-char (point-max))
(if (search-backward "\n" (process-mark proc) t)
(progn
(dired-insert-set-properties (process-mark proc)
(1+ (point)))
(move-marker (process-mark proc) (1+ (point)))))
))))
(while (looking-at "^")
(insert " ")
(forward-line 1))
;; Convert ` ./FILE' to ` FILE'
;; This would lose if the current chunk of output
;; starts or ends within the ` ./', so back up a bit:
(goto-char (- beg 3)) ; no error if < 0
(while (search-forward " ./" nil t)
(delete-region (point) (- (point) 2)))
;; Pad the number of links and file size. This is a
;; quick and dirty way of getting the columns to line up
;; most of the time, but it's not foolproof.
(when l-opt
(goto-char beg)
(goto-char (line-beginning-position))
(while (re-search-forward ls-regexp nil t)
(replace-match (format "%4s" (match-string 1))
nil nil nil 1)
(replace-match (format "%9s" (match-string 2))
nil nil nil 2)
(forward-line 1)))
;; Find all the complete lines in the unprocessed
;; output and process it to add text properties.
(goto-char (point-max))
(if (search-backward "\n" (process-mark proc) t)
(progn
(dired-insert-set-properties (process-mark proc)
(1+ (point)))
(move-marker (process-mark proc) (1+ (point))))))))
;; The buffer has been killed.
(delete-process proc))))