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Add vlfi-occur-mode.

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This commit is contained in:
Andrey Kotlarski 2013-04-16 12:25:06 +03:00
parent ba439de0f6
commit 681d3d94fc
1 changed files with 37 additions and 9 deletions
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46
vlfi.el
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@ -476,7 +476,7 @@ successful. Return nil if nothing found."
(- match-pos-start
vlfi-start-pos))
match-end)))
(overlay-put overlay 'face 'region)
(overlay-put overlay 'face 'match)
(unless success
(goto-char match-end)
(message "Moved to the %d match which is last"
@ -522,6 +522,34 @@ Search is performed chunk by chunk in `vlfi-batch-size' memory."
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; occur
(defvar vlfi-occur-mode-map
(let ((map (make-sparse-keymap)))
(define-key map "n" 'vlfi-occur-next-match)
(define-key map "p" 'vlfi-occur-prev-match)
map)
"Keymap for command `vlfi-occur-mode'.")
(define-derived-mode vlfi-occur-mode special-mode "VLFI[occur]"
"Major mode for showing occur matches of VLFI opened files.")
(defun vlfi-occur-next-match ()
"Move cursor to next match."
(interactive)
(if (eq (get-char-property (point) 'face) 'match)
(goto-char (next-single-property-change (point) 'face)))
(goto-char (or (text-property-any (point) (point-max) 'face 'match)
(text-property-any (point-min) (point)
'face 'match))))
(defun vlfi-occur-prev-match ()
"Move cursor to previous match."
(interactive)
(if (eq (get-char-property (point) 'face) 'match)
(goto-char (previous-single-property-change (point) 'face)))
(while (not (eq (get-char-property (point) 'face) 'match))
(goto-char (or (previous-single-property-change (point) 'face)
(point-max)))))
(defun vlfi-occur (regexp)
"Make occur style index for REGEXP."
(interactive (list (read-regexp "List lines matching regexp"
@ -530,12 +558,11 @@ Search is performed chunk by chunk in `vlfi-batch-size' memory."
(let ((start-pos vlfi-start-pos)
(end-pos vlfi-end-pos)
(pos (point)))
(unwind-protect
(progn (vlfi-beginning-of-file)
(goto-char (point-min))
(vlfi-build-occur regexp))
(vlfi-move-to-chunk start-pos end-pos)
(goto-char pos))))
(vlfi-beginning-of-file)
(goto-char (point-min))
(vlfi-build-occur regexp)
(vlfi-move-to-chunk start-pos end-pos)
(goto-char pos)))
(defun vlfi-build-occur (regexp)
"Build occur style index for REGEXP."
@ -586,7 +613,7 @@ Search is performed chunk by chunk in `vlfi-batch-size' memory."
(- last-line-pos))
(+ line-start (match-end 10)
(- last-line-pos))
(list 'face 'region)))
(list 'face 'match)))
(forward-line)
(setq last-line-result line)))))
(let ((batch-move (- vlfi-end-pos batch-step)))
@ -606,7 +633,8 @@ Search is performed chunk by chunk in `vlfi-batch-size' memory."
(insert (propertize
(format "%d matches for \"%s\" in file \
\(from %d lines\): %s\n" match-count regexp line file)
'face 'underline))))
'face 'underline)))
(vlfi-occur-mode))
(display-buffer occur-buffer))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;