forked from abo-abo/swiper
-
Notifications
You must be signed in to change notification settings - Fork 0
/
swiper.el
1720 lines (1576 loc) · 59.6 KB
/
swiper.el
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
;;; swiper.el --- Isearch with an overview. Oh, man! -*- lexical-binding: t -*-
;; Copyright (C) 2015-2020 Free Software Foundation, Inc.
;; Author: Oleh Krehel <ohwoeowho@gmail.com>
;; URL: https://github.com/abo-abo/swiper
;; Version: 0.13.0
;; Package-Requires: ((emacs "24.5") (ivy "0.13.0"))
;; Keywords: matching
;; This file is part of GNU Emacs.
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; For a full copy of the GNU General Public License
;; see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This package gives an overview of the current regex search
;; candidates. The search regex can be split into groups with a
;; space. Each group is highlighted with a different face.
;;
;; It can double as a quick `regex-builder', although only single
;; lines will be matched.
;;; Code:
(require 'ivy)
(defgroup swiper nil
"`isearch' with an overview."
:group 'matching
:prefix "swiper-")
(defface swiper-match-face-1
'((t (:inherit lazy-highlight)))
"The background face for `swiper' matches."
:group 'ivy-faces)
(defface swiper-match-face-2
'((t (:inherit isearch)))
"Face for `swiper' matches modulo 1."
:group 'ivy-faces)
(defface swiper-match-face-3
'((t (:inherit match)))
"Face for `swiper' matches modulo 2."
:group 'ivy-faces)
(defface swiper-match-face-4
'((t (:inherit isearch-fail)))
"Face for `swiper' matches modulo 3."
:group 'ivy-faces)
(defface swiper-background-match-face-1
'((t (:inherit swiper-match-face-1)))
"The background face for non-current `swiper' matches."
:group 'ivy-faces)
(defface swiper-background-match-face-2
'((t (:inherit swiper-match-face-2)))
"Face for non-current `swiper' matches modulo 1."
:group 'ivy-faces)
(defface swiper-background-match-face-3
'((t (:inherit swiper-match-face-3)))
"Face for non-current `swiper' matches modulo 2."
:group 'ivy-faces)
(defface swiper-background-match-face-4
'((t (:inherit swiper-match-face-4)))
"Face for non-current `swiper' matches modulo 3."
:group 'ivy-faces)
(defface swiper-line-face
'((t (:inherit highlight)))
"Face for current `swiper' line."
:group 'ivy-faces)
(defcustom swiper-faces '(swiper-match-face-1
swiper-match-face-2
swiper-match-face-3
swiper-match-face-4)
"List of `swiper' faces for group matches."
:group 'ivy-faces
:type '(repeat face))
(defvar swiper-background-faces
'(swiper-background-match-face-1
swiper-background-match-face-2
swiper-background-match-face-3
swiper-background-match-face-4)
"Like `swiper-faces', but used for all matches except the current one.")
(defun swiper--recompute-background-faces ()
(let ((faces '(swiper-background-match-face-1
swiper-background-match-face-2
swiper-background-match-face-3
swiper-background-match-face-4))
(colir-compose-method #'colir-compose-soft-light))
(cl-mapc (lambda (f1 f2)
(let ((bg (face-background f1)))
(when bg
(set-face-background
f2
(colir-blend
(colir-color-parse bg)
(colir-color-parse "#ffffff"))))))
swiper-faces
faces)))
(swiper--recompute-background-faces)
(defcustom swiper-min-highlight 2
"Only highlight matches for regexps at least this long."
:type 'integer)
(defcustom swiper-include-line-number-in-search nil
"Include line number in text of search candidates."
:type 'boolean
:group 'swiper)
(defcustom swiper-goto-start-of-match nil
"When non-nil, go to the start of the match, not its end.
Treated as non-nil when searching backwards."
:type 'boolean
:group 'swiper)
(defun swiper-C-s (&optional arg)
"Move cursor vertically down ARG candidates.
If the input is empty, select the previous history element instead."
(interactive "p")
(if (string= ivy-text "")
(ivy-previous-history-element 1)
(ivy-next-line arg)))
(defvar swiper-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "C-s") 'swiper-C-s)
(define-key map (kbd "M-q") 'swiper-query-replace)
(define-key map (kbd "C-l") 'swiper-recenter-top-bottom)
(define-key map (kbd "C-'") 'swiper-avy)
(define-key map (kbd "C-7") 'swiper-mc)
(define-key map (kbd "C-c C-f") 'swiper-toggle-face-matching)
map)
"Keymap for swiper.")
(defvar swiper--query-replace-overlays nil)
(defun swiper--query-replace-updatefn ()
(let ((lisp (ignore-errors (nth 2 (query-replace-compile-replacement ivy-text t)))))
(dolist (ov swiper--query-replace-overlays)
(overlay-put
ov 'after-string
(propertize
(condition-case nil
(with-current-buffer (overlay-buffer ov)
(set-match-data (overlay-get ov 'md))
(if (consp lisp)
(eval lisp)
(match-substitute-replacement ivy-text)))
(error ivy-text))
'face 'error)))))
(defun swiper--query-replace-cleanup ()
(while swiper--query-replace-overlays
(delete-overlay (pop swiper--query-replace-overlays))))
(defun swiper--query-replace-setup ()
(with-ivy-window
(let ((end (window-end (selected-window) t))
(re (ivy-re-to-str ivy-regex)))
(save-excursion
(beginning-of-line)
(while (re-search-forward re end t)
(let ((ov (make-overlay (1- (match-end 0)) (match-end 0)))
(md (match-data t)))
(overlay-put
ov 'matches
(mapcar
(lambda (x)
(list `(match-string ,x) (match-string x)))
(number-sequence 0 (1- (/ (length md) 2)))))
(overlay-put ov 'md md)
(push ov swiper--query-replace-overlays))
(unless (> (match-end 0) (match-beginning 0))
(forward-char)))))))
(defun swiper-query-replace ()
"Start `query-replace' with string to replace from last search string."
(interactive)
(cond ((null (window-minibuffer-p))
(user-error "Should only be called in the minibuffer through `swiper-map'"))
((string= "" ivy-text)
(user-error "Empty input"))
(t
(swiper--query-replace-setup)
(unwind-protect
(let* ((enable-recursive-minibuffers t)
(from (ivy-re-to-str ivy-regex))
(groups (number-sequence 1 ivy--subexps))
(default
(list
(mapconcat (lambda (i) (format "\\%d" i)) groups " ")
(format "\\,(concat %s)"
(if (<= ivy--subexps 1)
"\\&"
(mapconcat
(lambda (i) (format "\\%d" i))
groups
" \" \" ")))))
(to
(query-replace-compile-replacement
(ivy-read
(format "Query replace %s with: " from) nil
:def default
:caller 'swiper-query-replace)
t)))
(swiper--cleanup)
(ivy-exit-with-action
(lambda (_)
(with-ivy-window
(move-beginning-of-line 1)
(let ((inhibit-read-only t))
(perform-replace from to
t t nil))))))
(swiper--query-replace-cleanup)))))
(ivy-configure 'swiper-query-replace
:update-fn #'swiper--query-replace-updatefn)
(put 'swiper-query-replace 'no-counsel-M-x t)
(defvar inhibit-message)
(defun swiper-all-query-replace ()
"Start `query-replace' with string to replace from last search string."
(interactive)
(if (null (window-minibuffer-p))
(user-error
"Should only be called in the minibuffer through `swiper-all-map'")
(let* ((enable-recursive-minibuffers t)
(from (ivy--regex ivy-text))
(to (query-replace-read-to from "Query replace" t)))
(swiper--cleanup)
(ivy-exit-with-action
(lambda (_)
(let ((wnd-conf (current-window-configuration))
(inhibit-message t))
(unwind-protect
(dolist (cand ivy--old-cands)
(let ((buffer (get-text-property 0 'buffer cand)))
(switch-to-buffer buffer)
(goto-char (point-min))
(perform-replace from to t t nil)))
(set-window-configuration wnd-conf))))))))
(put 'swiper-all-query-replace 'no-counsel-M-x t)
(defvar avy-all-windows)
(defvar avy-style)
(defvar avy-keys)
(declare-function avy--overlay-post "ext:avy")
(declare-function avy-action-goto "ext:avy")
(declare-function avy-candidate-beg "ext:avy")
(declare-function avy--done "ext:avy")
(declare-function avy--make-backgrounds "ext:avy")
(declare-function avy-window-list "ext:avy")
(declare-function avy-read "ext:avy")
(declare-function avy-read-de-bruijn "ext:avy")
(declare-function avy-tree "ext:avy")
(declare-function avy-push-mark "ext:avy")
(declare-function avy--remove-leading-chars "ext:avy")
(defun swiper--avy-candidates ()
(let* (
;; We'll have overlapping overlays, so we sort all the
;; overlays in the visible region by their start, and then
;; throw out non-Swiper overlays or overlapping Swiper
;; overlays.
(visible-overlays (cl-sort (with-ivy-window
(overlays-in (window-start)
(window-end)))
#'< :key #'overlay-start))
(min-overlay-start 0)
(overlays-for-avy
(cl-remove-if-not
(lambda (ov)
(when (and (>= (overlay-start ov)
min-overlay-start)
(memq (overlay-get ov 'face)
(append swiper-faces swiper-background-faces)))
(setq min-overlay-start (overlay-start ov))))
visible-overlays))
(offset (if (eq (ivy-state-caller ivy-last) 'swiper) 1 0)))
(nconc
(mapcar (lambda (ov)
(cons (overlay-start ov)
(overlay-get ov 'window)))
overlays-for-avy)
(save-excursion
(save-restriction
(narrow-to-region (window-start) (window-end))
(goto-char (point-min))
(forward-line)
(let ((win (selected-window))
cands)
(while (not (eobp))
(push (cons (+ (point) offset) win)
cands)
(forward-line))
cands))))))
(defun swiper--avy-candidate ()
(let ((candidates (swiper--avy-candidates))
(avy-all-windows nil))
(unwind-protect
(prog2
(avy--make-backgrounds
(append (avy-window-list)
(list (ivy-state-window ivy-last))))
(if (eq avy-style 'de-bruijn)
(avy-read-de-bruijn candidates avy-keys)
(avy-read (avy-tree candidates avy-keys)
#'avy--overlay-post
#'avy--remove-leading-chars))
(avy-push-mark))
(avy--done))))
(defun swiper--avy-goto (candidate)
(cond ((let ((win (cdr-safe candidate)))
(and win (window-minibuffer-p win)))
(let ((nlines (count-lines (point-min) (point-max))))
(ivy-set-index
(+ (car (ivy--minibuffer-index-bounds
ivy--index ivy--length ivy-height))
(line-number-at-pos (car candidate))
(if (or (= nlines (1+ ivy-height))
(< ivy--length ivy-height))
0
(- ivy-height nlines))
-2)))
(ivy--exhibit)
(ivy-done)
(ivy-call))
((or (consp candidate)
(number-or-marker-p candidate))
(ivy-quit-and-run
(avy-action-goto (avy-candidate-beg candidate))))))
;;;###autoload
(defun swiper-avy ()
"Jump to one of the current swiper candidates."
(interactive)
(unless (require 'avy nil 'noerror)
(error "Package avy isn't installed"))
(cl-case (length ivy-text)
(0
(user-error "Need at least one char of input"))
(1
(let ((swiper-min-highlight 1))
(swiper--update-input-ivy))))
(swiper--avy-goto (swiper--avy-candidate)))
(declare-function mc/create-fake-cursor-at-point "ext:multiple-cursors-core")
(declare-function multiple-cursors-mode "ext:multiple-cursors-core")
(defun swiper-mc ()
"Create a fake cursor for each `swiper' candidate.
Make sure `swiper-mc' is on `mc/cmds-to-run-once' list."
(interactive)
(unless (require 'multiple-cursors nil t)
(error "Multiple-cursors isn't installed"))
(unless (window-minibuffer-p)
(error "Call me only from `swiper'"))
(let ((cands (nreverse ivy--old-cands))
(action (ivy--get-action ivy-last)))
(unless (string= ivy-text "")
(ivy-exit-with-action
(lambda (_)
(let (cand)
(while (setq cand (pop cands))
(funcall action cand)
(when cands
(mc/create-fake-cursor-at-point))))
(multiple-cursors-mode 1))))))
(defvar swiper--current-window-start nil
"Store `window-start' to restore it later.
This prevents a \"jumping\" behavior which occurs when variables
such as `scroll-conservatively' are set to a high value.")
(defun swiper-recenter-top-bottom (&optional arg)
"Call (`recenter-top-bottom' ARG)."
(interactive "P")
(with-ivy-window
(recenter-top-bottom arg)
(setq swiper--current-window-start (window-start))))
(defvar swiper-font-lock-exclude
'(Man-mode
adoc-mode
bbdb-mode
bongo-library-mode
bongo-mode
bongo-playlist-mode
bookmark-bmenu-mode
circe-channel-mode
circe-query-mode
circe-server-mode
deadgrep-mode
debbugs-gnu-mode
dired-mode
elfeed-search-mode
elfeed-show-mode
emms-playlist-mode
emms-stream-mode
erc-mode
eshell-mode
eww-mode
forth-block-mode
forth-mode
fundamental-mode
gnus-article-mode
gnus-group-mode
gnus-summary-mode
help-mode
helpful-mode
jabber-chat-mode
magit-popup-mode
matrix-client-mode
matrix-client-room-list-mode
mu4e-headers-mode
mu4e-view-mode
nix-mode
notmuch-search-mode
notmuch-tree-mode
occur-edit-mode
occur-mode
org-agenda-mode
package-menu-mode
rcirc-mode
sauron-mode
sieve-mode
treemacs-mode
twittering-mode
vc-dir-mode
w3m-mode
woman-mode
xref--xref-buffer-mode)
"List of major-modes that are incompatible with `font-lock-ensure'.")
(defun swiper-font-lock-ensure-p ()
"Return non-nil if we should `font-lock-ensure'."
(or (derived-mode-p 'magit-mode)
(bound-and-true-p magit-blame-mode)
(memq major-mode swiper-font-lock-exclude)
(not (derived-mode-p 'prog-mode))))
(defun swiper-font-lock-ensure ()
"Ensure the entire buffer is highlighted."
(unless (swiper-font-lock-ensure-p)
(unless (or (> (buffer-size) 100000) (null font-lock-mode))
(if (fboundp 'font-lock-ensure)
;; Added in Emacs 25.1.
(font-lock-ensure)
(with-no-warnings (font-lock-fontify-buffer))))))
(defvar swiper--format-spec ""
"Store the current candidates format spec.")
(defvar swiper--width nil
"Store the number of digits needed for the longest line number.")
(defvar swiper-use-visual-line nil
"When non-nil, use `line-move' instead of `forward-line'.")
(defvar dired-isearch-filenames)
(declare-function dired-move-to-filename "dired")
(defun swiper--line ()
(let* ((beg (cond ((and (eq major-mode 'dired-mode)
(bound-and-true-p dired-isearch-filenames))
(dired-move-to-filename)
(point))
(swiper-use-visual-line
(save-excursion
(beginning-of-visual-line)
(point)))
(t
(point))))
(end (if swiper-use-visual-line
(save-excursion
(end-of-visual-line)
(point))
(line-end-position))))
(concat
" "
(buffer-substring beg end))))
(defvar swiper-use-visual-line-p
(lambda (n-lines)
(and visual-line-mode
;; super-slow otherwise
(< (buffer-size) 20000)
(< n-lines 400)))
"A predicate that decides whether `line-move' or `forward-line' is used.
Note that `line-move' can be very slow.")
(defun swiper--candidates (&optional numbers-width)
"Return a list of this buffer lines.
NUMBERS-WIDTH, when specified, is used for width spec of line
numbers; replaces calculating the width from buffer line count."
(let* ((inhibit-field-text-motion t)
(n-lines (count-lines (point-min) (point-max))))
(if (funcall swiper-use-visual-line-p n-lines)
(progn
(when (eq major-mode 'org-mode)
(require 'outline)
(if (fboundp 'outline-show-all)
;; Added in Emacs 25.1.
(outline-show-all)
(with-no-warnings
(show-all))))
(setq swiper-use-visual-line t))
(setq swiper-use-visual-line nil))
(unless (zerop n-lines)
(setq swiper--width (or numbers-width
(1+ (floor (log n-lines 10)))))
(setq swiper--format-spec
(format "%%-%dd " swiper--width))
(let ((line-number 1)
(advancer (if swiper-use-visual-line
(lambda (arg) (line-move arg t))
#'forward-line))
candidates)
(save-excursion
(goto-char (point-min))
(swiper-font-lock-ensure)
(while (< (point) (point-max))
(when (swiper-match-usable-p)
(let ((str (swiper--line)))
(setq str (ivy-cleanup-string str))
(let ((line-number-str
(format swiper--format-spec line-number)))
(if swiper-include-line-number-in-search
(setq str (concat line-number-str str))
(put-text-property
0 1 'display line-number-str str))
(put-text-property
0 1 'swiper-line-number line-number str))
(push str candidates)))
(funcall advancer 1)
(cl-incf line-number))
(nreverse candidates))))))
(defvar swiper--opoint 1
"The point when `swiper' starts.")
;;;###autoload
(defun swiper-backward (&optional initial-input)
"`isearch-backward' with an overview.
When non-nil, INITIAL-INPUT is the initial search pattern."
(interactive)
(let ((ivy-index-functions-alist
'((swiper . ivy-recompute-index-swiper-backward))))
(swiper initial-input)))
;;;###autoload
(defun swiper-thing-at-point ()
"`swiper' with `ivy-thing-at-point'."
(interactive)
(let ((thing (ivy-thing-at-point)))
(when (use-region-p)
(deactivate-mark))
(swiper (regexp-quote thing))))
;;;###autoload
(defun swiper-all-thing-at-point ()
"`swiper-all' with `ivy-thing-at-point'."
(interactive)
(let ((thing (ivy-thing-at-point)))
(when (use-region-p)
(deactivate-mark))
(swiper-all (regexp-quote thing))))
(defun swiper--extract-matches (regex cands)
"Extract captured REGEX groups from CANDS."
(let (res)
(dolist (cand cands)
(setq cand (substring cand 1))
(when (string-match regex cand)
(push (mapconcat (lambda (n) (match-string-no-properties n cand))
(number-sequence
1
(/ (- (length (match-data)) 2) 2))
" ")
res)))
(nreverse res)))
(defun swiper--occur-cands (fname cands)
(when cands
(with-current-buffer (ivy-state-buffer ivy-last)
(when (eq (ivy-state-caller ivy-last) 'swiper-isearch)
(setq cands (mapcar #'swiper--line-at-point cands)))
(let* ((pt-min (point-min))
(line-delta
(save-restriction
(widen)
(1- (line-number-at-pos pt-min))))
(lines
(if (eq (ivy-state-caller ivy-last) 'swiper-isearch)
(swiper--isearch-occur-cands cands)
(mapcar (lambda (s)
(let ((n (swiper--line-number s)))
(setq s (substring s 1))
(add-text-properties 0 1 (list 'swiper-line-number n) s)
(cons n s)))
cands)))
(offset (+ (length fname) 2)))
(mapcar (lambda (x)
(let ((nn (number-to-string
(+ (car x) line-delta))))
(remove-text-properties 0 1 '(display) (cdr x))
(put-text-property 0 (length nn) 'face 'ivy-grep-line-number nn)
(put-text-property 0 1 'offset (+ offset (length nn)) fname)
(format "%s:%s:%s" fname nn (cdr x))))
lines)))))
(defun swiper--isearch-occur-cands (cands)
(let* ((last-pt (get-text-property 0 'point (car cands)))
(line (1+ (line-number-at-pos last-pt)))
res pt)
(dolist (cand cands)
(setq pt (get-text-property 0 'point cand))
(cl-incf line (1- (count-lines last-pt pt)))
(push (cons line cand) res)
(setq last-pt pt))
(nreverse res)))
(defun swiper--occur-insert-lines (cands)
(let ((inhibit-read-only t))
;; Need precise number of header lines for `wgrep' to work.
(insert (format "-*- mode:grep; default-directory: %S -*-\n\n\n"
default-directory))
(insert (format "%d candidates:\n" (length cands)))
(ivy--occur-insert-lines cands)
(goto-char (point-min))
(forward-line 4)))
(defun swiper--occur-buffer ()
(let ((buffer (ivy-state-buffer ivy-last)))
(unless (buffer-live-p buffer)
(setq buffer
(setf (ivy-state-buffer ivy-last)
(find-file-noselect
(plist-get (ivy-state-extra-props ivy-last) :fname))))
(save-selected-window
(pop-to-buffer buffer))
(setf (ivy-state-window ivy-last) (selected-window)))
buffer))
(defun swiper-occur (&optional cands)
"Generate a custom occur buffer for `swiper'.
When capture groups are present in the input, print them instead of lines."
(setq cands (or ivy-marked-candidates cands))
(let* ((buffer (swiper--occur-buffer))
(fname (propertize
(with-ivy-window
(if (buffer-file-name buffer)
(file-name-nondirectory
(buffer-file-name buffer))
(buffer-name buffer)))
'face
'ivy-grep-info))
(re
(progn
(string-match "\"\\(.*\\)\"" (buffer-name))
(ivy-set-text (match-string 1 (buffer-name)))
(mapconcat #'identity (ivy--split ivy-text) ".*?")))
(cands
(swiper--occur-cands
fname
(or cands
(save-window-excursion
(switch-to-buffer buffer)
(if (eq (ivy-state-caller ivy-last) 'swiper)
(let ((ivy--regex-function 'swiper--re-builder))
(setq ivy--old-re nil)
(ivy--filter re (swiper--candidates)))
(swiper-isearch-function ivy-text)))))))
(if (string-match-p "\\\\(" re)
(insert
(mapconcat #'identity
(swiper--extract-matches
re (with-current-buffer buffer
(swiper--candidates)))
"\n"))
(unless (eq major-mode 'ivy-occur-grep-mode)
(ivy-occur-grep-mode)
(font-lock-mode -1))
(swiper--occur-insert-lines
(mapcar (lambda (cand) (concat "./" cand)) cands)))))
(declare-function evil-set-jump "ext:evil-jumps")
(defvar swiper--current-line nil)
(defvar swiper--current-match-start nil)
(defvar swiper--point-min nil)
(defvar swiper--point-max nil)
(defvar swiper--reveal-mode nil)
(defun swiper--init ()
"Perform initialization common to both completion methods."
(setq swiper--current-line nil)
(setq swiper--current-match-start nil)
(setq swiper--current-window-start nil)
(setq swiper--opoint (point))
(setq swiper--point-min (point-min))
(setq swiper--point-max (point-max))
(when (setq swiper--reveal-mode
(bound-and-true-p reveal-mode))
(reveal-mode -1))
(lazy-highlight-cleanup t)
(setq isearch-opened-overlays nil)
(when (bound-and-true-p evil-mode)
(evil-set-jump)))
(defun swiper--normalize-regex (re)
"Normalize the swiper regex RE.
Add a space after a leading `^' if needed and apply
`search-default-mode' if bound."
(replace-regexp-in-string
"^\\(?:\\\\(\\)?\\^"
(concat "\\&" (if (eq 'swiper (ivy-state-caller ivy-last)) " " ""))
(if (functionp (bound-and-true-p search-default-mode))
(mapconcat
(lambda (x)
(if (string-match-p "\\`[^$\\^]+\\'" x)
(funcall search-default-mode x)
x))
(split-string re "\\b") "")
re)
t))
(defun swiper--re-builder (str)
"Transform STR into a swiper regex.
This is the regex used in the minibuffer where candidates have
line numbers. For the buffer, use `ivy--regex' instead."
(let* ((re-builder (ivy-alist-setting ivy-re-builders-alist))
(str (replace-regexp-in-string "\\\\n" "\n" str))
(re (funcall re-builder str)))
(if (consp re)
(mapcar
(lambda (x)
(cons (swiper--normalize-regex (car x))
(cdr x)))
re)
(swiper--normalize-regex re))))
(defvar swiper-history nil
"History for `swiper'.")
(defvar swiper-invocation-face nil
"The face at the point of invocation of `swiper'.")
(defcustom swiper-stay-on-quit nil
"When non-nil don't go back to search start on abort."
:type 'boolean)
;;;###autoload
(defun swiper (&optional initial-input)
"`isearch-forward' with an overview.
When non-nil, INITIAL-INPUT is the initial search pattern."
(interactive)
(let ((candidates (swiper--candidates)))
(swiper--init)
(setq swiper-invocation-face
(plist-get (text-properties-at (point)) 'face))
(let ((preselect
(if (or swiper-use-visual-line (null search-invisible))
(count-screen-lines
(point-min)
(save-excursion (beginning-of-visual-line) (point)))
(1- (line-number-at-pos))))
(minibuffer-allow-text-properties t)
res)
(unwind-protect
(and
(setq res
(ivy-read
"Swiper: "
candidates
:initial-input initial-input
:keymap swiper-map
:preselect
(if initial-input
(cl-position-if
(lambda (x)
(= (1+ preselect) (swiper--line-number x)))
(progn
(setq ivy--old-re nil)
(ivy--filter initial-input candidates)))
preselect)
:require-match t
:action #'swiper--action
:re-builder #'swiper--re-builder
:history 'swiper-history
:extra-props (list :fname (buffer-file-name))
:caller 'swiper))
(point))
(unless (or res swiper-stay-on-quit)
(goto-char swiper--opoint))
(isearch-clean-overlays)
(unless (or res (string= ivy-text ""))
(cl-pushnew ivy-text swiper-history))
(setq swiper--current-window-start nil)
(when swiper--reveal-mode
(reveal-mode 1))))))
(ivy-configure 'swiper
:occur #'swiper-occur
:update-fn #'swiper--update-input-ivy
:unwind-fn #'swiper--cleanup
:index-fn #'ivy-recompute-index-swiper)
(defun swiper-toggle-face-matching ()
"Toggle matching only the candidates with `swiper-invocation-face'."
(interactive)
(setf (ivy-state-matcher ivy-last)
(if (ivy-state-matcher ivy-last)
nil
#'swiper--face-matcher))
(setq ivy--old-re nil))
(defun swiper--face-matcher (regexp candidates)
"Return REGEXP matching CANDIDATES.
Matched candidates should have `swiper-invocation-face'."
(cl-remove-if-not
(lambda (x)
(and (string-match regexp x)
(let* ((s (match-string 0 x))
(n (length s))
(i 0))
(while (and (< i n)
(text-property-any
i (1+ i)
'face swiper-invocation-face
s))
(cl-incf i))
(= i n))))
candidates))
(defun swiper--ensure-visible ()
"Remove overlays hiding point."
(let ((overlays (overlays-at (1- (point))))
ov expose)
(while (setq ov (pop overlays))
(if (and (invisible-p (overlay-get ov 'invisible))
(setq expose (overlay-get ov 'isearch-open-invisible)))
(funcall expose ov)))))
(defvar swiper--overlays nil
"Store overlays.")
(defvar swiper--isearch-highlight-timer nil
"This timer used by `swiper--delayed-add-overlays'.")
(defun swiper--cleanup ()
"Clean up the overlays."
(while swiper--overlays
(delete-overlay (pop swiper--overlays)))
;; force cleanup unless it's :unwind
(lazy-highlight-cleanup
(if (eq ivy-exit 'done) lazy-highlight-cleanup t))
(when (timerp swiper--isearch-highlight-timer)
(cancel-timer swiper--isearch-highlight-timer)
(setq swiper--isearch-highlight-timer nil)))
(defun swiper--add-cursor-overlay (wnd)
(let* ((special (or (eolp) (looking-at "\t")))
(ov (make-overlay (point) (if special (point) (1+ (point))))))
(if special
(overlay-put ov 'after-string (propertize " " 'face 'ivy-cursor))
(overlay-put ov 'face 'ivy-cursor))
(overlay-put ov 'window wnd)
(overlay-put ov 'priority 2)
(push ov swiper--overlays)))
(defun swiper--add-line-overlay (wnd)
(let ((beg (if visual-line-mode
(save-excursion
(beginning-of-visual-line)
(point))
(line-beginning-position)))
(end (if visual-line-mode
(save-excursion
(end-of-visual-line)
(point))
(1+ (line-end-position)))))
(push (swiper--make-overlay beg end 'swiper-line-face wnd 0)
swiper--overlays)))
(defun swiper--make-overlay (beg end face wnd priority)
"Create an overlay bound by BEG and END.
FACE, WND and PRIORITY are properties corresponding to
the face, window and priority of the overlay."
(let ((overlay (make-overlay beg end)))
(overlay-put overlay 'face face)
(overlay-put overlay 'window wnd)
(overlay-put overlay 'priority priority)
overlay))
(defun swiper--recenter-p ()
(or (display-graphic-p)
(not recenter-redisplay)))
(defun swiper--positive-regexps ()
(if (listp ivy-regex)
(mapcar #'car (cl-remove-if-not #'cdr ivy-regex))
(list ivy-regex)))
(defun swiper--update-input-ivy ()
"Called when `ivy' input is updated."
(with-ivy-window
(swiper--cleanup)
(when (> (length (ivy-state-current ivy-last)) 0)
(let ((regexps (swiper--positive-regexps))
(re-idx -1)
(case-fold-search (ivy--case-fold-p ivy-text)))
(dolist (re regexps)
(setq re-idx (1+ re-idx))
(let* ((re (replace-regexp-in-string
" " "\t"
re))
(num (swiper--line-number (ivy-state-current ivy-last))))
(unless (memq this-command '(ivy-yank-word
ivy-yank-symbol
ivy-yank-char
scroll-other-window))
(when (cl-plusp num)
(unless (if swiper--current-line
(eq swiper--current-line num)
(eq (line-number-at-pos) num))
(goto-char swiper--point-min)
(if swiper-use-visual-line
(line-move (1- num))
(forward-line (1- num))))
(if (and (equal ivy-text "")
(>= swiper--opoint (line-beginning-position))
(<= swiper--opoint (line-end-position)))
(goto-char swiper--opoint)
(if (eq swiper--current-line num)
(when swiper--current-match-start
(goto-char swiper--current-match-start))
(setq swiper--current-line num))
(when (re-search-forward re (line-end-position) t)
(setq swiper--current-match-start (match-beginning 0))))
(funcall isearch-filter-predicate
(line-beginning-position)
(line-end-position))
(swiper--maybe-recenter)))
(swiper--add-overlays
re
(max
(if (swiper--recenter-p)
(window-start)
(line-beginning-position (- (window-height))))
swiper--point-min)
(min
(if (swiper--recenter-p)
(window-end (selected-window) t)
(line-end-position (window-height)))
swiper--point-max)
nil
re-idx)))))))
(defun swiper--add-overlays (re &optional beg end wnd re-idx)
"Add overlays for RE regexp in visible part of the current buffer.
BEG and END, when specified, are the point bounds.
WND, when specified is the window."
(setq wnd (or wnd (ivy-state-window ivy-last)))
(swiper--add-line-overlay wnd)
(let* ((pt (point))
(wh (window-height))
(beg (or beg (save-excursion
(forward-line (- wh))
(point))))
(end (or end (save-excursion
(forward-line wh)
(point))))
(case-fold-search (ivy--case-fold-p re)))