Deleted Added
full compact
vi.c (84334) vi.c (108533)
1/*-
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Christos Zoulas of Cornell University.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * $NetBSD: vi.c,v 1.7 1999/07/02 15:21:28 simonb Exp $
37 */
38
39#if !defined(lint) && !defined(SCCSID)
40static char sccsid[] = "@(#)vi.c 8.1 (Berkeley) 6/4/93";
41#endif /* not lint && not SCCSID */
42#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Christos Zoulas of Cornell University.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * $NetBSD: vi.c,v 1.7 1999/07/02 15:21:28 simonb Exp $
37 */
38
39#if !defined(lint) && !defined(SCCSID)
40static char sccsid[] = "@(#)vi.c 8.1 (Berkeley) 6/4/93";
41#endif /* not lint && not SCCSID */
42#include <sys/cdefs.h>
43__FBSDID("$FreeBSD: head/lib/libedit/vi.c 84334 2001-10-01 23:00:29Z obrien $");
43__FBSDID("$FreeBSD: head/lib/libedit/vi.c 108533 2003-01-01 18:49:04Z schweikh $");
44
45/*
46 * vi.c: Vi mode commands.
47 */
48#include "sys.h"
49#include "el.h"
50
51private el_action_t cv_action(EditLine *, int);
52private el_action_t cv_paste(EditLine *, int);
53
54/* cv_action():
55 * Handle vi actions.
56 */
57private el_action_t
58cv_action(EditLine *el, int c)
59{
60 char *cp, *kp;
61
62 if (el->el_chared.c_vcmd.action & DELETE) {
63 el->el_chared.c_vcmd.action = NOP;
64 el->el_chared.c_vcmd.pos = 0;
65
66 el->el_chared.c_undo.isize = 0;
67 el->el_chared.c_undo.dsize = 0;
68 kp = el->el_chared.c_undo.buf;
69 for (cp = el->el_line.buffer; cp < el->el_line.lastchar; cp++) {
70 *kp++ = *cp;
71 el->el_chared.c_undo.dsize++;
72 }
73
74 el->el_chared.c_undo.action = INSERT;
75 el->el_chared.c_undo.ptr = el->el_line.buffer;
76 el->el_line.lastchar = el->el_line.buffer;
77 el->el_line.cursor = el->el_line.buffer;
78 if (c & INSERT)
79 el->el_map.current = el->el_map.key;
80
81 return (CC_REFRESH);
82 }
83 el->el_chared.c_vcmd.pos = el->el_line.cursor;
84 el->el_chared.c_vcmd.action = c;
85 return (CC_ARGHACK);
86
87#ifdef notdef
88 /*
89 * I don't think that this is needed. But we keep it for now
90 */
91 else
92 if (el_chared.c_vcmd.action == NOP) {
93 el->el_chared.c_vcmd.pos = el->el_line.cursor;
94 el->el_chared.c_vcmd.action = c;
95 return (CC_ARGHACK);
96 } else {
97 el->el_chared.c_vcmd.action = 0;
98 el->el_chared.c_vcmd.pos = 0;
99 return (CC_ERROR);
100 }
101#endif
102}
103
104
105/* cv_paste():
106 * Paste previous deletion before or after the cursor
107 */
108private el_action_t
109cv_paste(EditLine *el, int c)
110{
111 char *ptr;
112 c_undo_t *un = &el->el_chared.c_undo;
113
114#ifdef DEBUG_PASTE
115 (void) fprintf(el->el_errfile, "Paste: %x \"%s\" +%d -%d\n",
116 un->action, un->buf, un->isize, un->dsize);
117#endif
118 if (un->isize == 0)
119 return (CC_ERROR);
120
121 if (!c && el->el_line.cursor < el->el_line.lastchar)
122 el->el_line.cursor++;
123 ptr = el->el_line.cursor;
124
125 c_insert(el, (int) un->isize);
126 if (el->el_line.cursor + un->isize > el->el_line.lastchar)
127 return (CC_ERROR);
128 (void) memcpy(ptr, un->buf, un->isize);
129 return (CC_REFRESH);
130}
131
132
133/* vi_paste_next():
134 * Vi paste previous deletion to the right of the cursor
135 * [p]
136 */
137protected el_action_t
138/*ARGSUSED*/
139vi_paste_next(EditLine *el, int c)
140{
141
142 return (cv_paste(el, 0));
143}
144
145
146/* vi_paste_prev():
147 * Vi paste previous deletion to the left of the cursor
148 * [P]
149 */
150protected el_action_t
151/*ARGSUSED*/
152vi_paste_prev(EditLine *el, int c)
153{
154
155 return (cv_paste(el, 1));
156}
157
158
159/* vi_prev_space_word():
160 * Vi move to the previous space delimited word
161 * [B]
162 */
163protected el_action_t
164/*ARGSUSED*/
165vi_prev_space_word(EditLine *el, int c)
166{
167
168 if (el->el_line.cursor == el->el_line.buffer)
169 return (CC_ERROR);
170
171 el->el_line.cursor = cv_prev_word(el, el->el_line.cursor,
172 el->el_line.buffer,
173 el->el_state.argument,
174 c___isword);
175
176 if (el->el_chared.c_vcmd.action & DELETE) {
177 cv_delfini(el);
178 return (CC_REFRESH);
179 }
180 return (CC_CURSOR);
181}
182
183
184/* vi_prev_word():
185 * Vi move to the previous word
186 * [b]
187 */
188protected el_action_t
189/*ARGSUSED*/
190vi_prev_word(EditLine *el, int c)
191{
192
193 if (el->el_line.cursor == el->el_line.buffer)
194 return (CC_ERROR);
195
196 el->el_line.cursor = cv_prev_word(el, el->el_line.cursor,
197 el->el_line.buffer,
198 el->el_state.argument,
199 cv__isword);
200
201 if (el->el_chared.c_vcmd.action & DELETE) {
202 cv_delfini(el);
203 return (CC_REFRESH);
204 }
205 return (CC_CURSOR);
206}
207
208
209/* vi_next_space_word():
210 * Vi move to the next space delimited word
211 * [W]
212 */
213protected el_action_t
214/*ARGSUSED*/
215vi_next_space_word(EditLine *el, int c)
216{
217
218 if (el->el_line.cursor == el->el_line.lastchar)
219 return (CC_ERROR);
220
221 el->el_line.cursor = cv_next_word(el, el->el_line.cursor,
222 el->el_line.lastchar,
223 el->el_state.argument,
224 c___isword);
225
226 if (el->el_map.type == MAP_VI)
227 if (el->el_chared.c_vcmd.action & DELETE) {
228 cv_delfini(el);
229 return (CC_REFRESH);
230 }
231 return (CC_CURSOR);
232}
233
234
235/* vi_next_word():
236 * Vi move to the next word
237 * [w]
238 */
239protected el_action_t
240/*ARGSUSED*/
241vi_next_word(EditLine *el, int c)
242{
243
244 if (el->el_line.cursor == el->el_line.lastchar)
245 return (CC_ERROR);
246
247 el->el_line.cursor = cv_next_word(el, el->el_line.cursor,
248 el->el_line.lastchar,
249 el->el_state.argument,
250 cv__isword);
251
252 if (el->el_map.type == MAP_VI)
253 if (el->el_chared.c_vcmd.action & DELETE) {
254 cv_delfini(el);
255 return (CC_REFRESH);
256 }
257 return (CC_CURSOR);
258}
259
260
261/* vi_change_case():
262 * Vi change case of character under the cursor and advance one character
263 * [~]
264 */
265protected el_action_t
266vi_change_case(EditLine *el, int c)
267{
268
269 if (el->el_line.cursor < el->el_line.lastchar) {
270 c = (unsigned char)*el->el_line.cursor;
271 if (isupper(c))
272 *el->el_line.cursor++ = tolower(c);
273 else if (islower(c))
274 *el->el_line.cursor++ = toupper(c);
275 else
276 el->el_line.cursor++;
277 re_fastaddc(el);
278 return (CC_NORM);
279 }
280 return (CC_ERROR);
281}
282
283
284/* vi_change_meta():
285 * Vi change prefix command
286 * [c]
287 */
288protected el_action_t
289/*ARGSUSED*/
290vi_change_meta(EditLine *el, int c)
291{
292
293 /*
294 * Delete with insert == change: first we delete and then we leave in
295 * insert mode.
296 */
297 return (cv_action(el, DELETE | INSERT));
298}
299
300
301/* vi_insert_at_bol():
302 * Vi enter insert mode at the beginning of line
303 * [I]
304 */
305protected el_action_t
306/*ARGSUSED*/
307vi_insert_at_bol(EditLine *el, int c)
308{
309
310 el->el_line.cursor = el->el_line.buffer;
311 el->el_chared.c_vcmd.ins = el->el_line.cursor;
312
313 el->el_chared.c_undo.ptr = el->el_line.cursor;
314 el->el_chared.c_undo.action = DELETE;
315
316 el->el_map.current = el->el_map.key;
317 return (CC_CURSOR);
318}
319
320
321/* vi_replace_char():
322 * Vi replace character under the cursor with the next character typed
323 * [r]
324 */
325protected el_action_t
326/*ARGSUSED*/
327vi_replace_char(EditLine *el, int c)
328{
329
330 el->el_map.current = el->el_map.key;
331 el->el_state.inputmode = MODE_REPLACE_1;
332 el->el_chared.c_undo.action = CHANGE;
333 el->el_chared.c_undo.ptr = el->el_line.cursor;
334 el->el_chared.c_undo.isize = 0;
335 el->el_chared.c_undo.dsize = 0;
336 return (CC_ARGHACK);
337}
338
339
340/* vi_replace_mode():
341 * Vi enter replace mode
342 * [R]
343 */
344protected el_action_t
345/*ARGSUSED*/
346vi_replace_mode(EditLine *el, int c)
347{
348
349 el->el_map.current = el->el_map.key;
350 el->el_state.inputmode = MODE_REPLACE;
351 el->el_chared.c_undo.action = CHANGE;
352 el->el_chared.c_undo.ptr = el->el_line.cursor;
353 el->el_chared.c_undo.isize = 0;
354 el->el_chared.c_undo.dsize = 0;
355 return (CC_ARGHACK);
356}
357
358
359/* vi_substitute_char():
360 * Vi replace character under the cursor and enter insert mode
361 * [s]
362 */
363protected el_action_t
364/*ARGSUSED*/
365vi_substitute_char(EditLine *el, int c)
366{
367
368 c_delafter(el, el->el_state.argument);
369 el->el_map.current = el->el_map.key;
370 return (CC_REFRESH);
371}
372
373
374/* vi_substitute_line():
375 * Vi substitute entire line
376 * [S]
377 */
378protected el_action_t
379/*ARGSUSED*/
380vi_substitute_line(EditLine *el, int c)
381{
382
383 (void) em_kill_line(el, 0);
384 el->el_map.current = el->el_map.key;
385 return (CC_REFRESH);
386}
387
388
389/* vi_change_to_eol():
390 * Vi change to end of line
391 * [C]
392 */
393protected el_action_t
394/*ARGSUSED*/
395vi_change_to_eol(EditLine *el, int c)
396{
397
398 (void) ed_kill_line(el, 0);
399 el->el_map.current = el->el_map.key;
400 return (CC_REFRESH);
401}
402
403
404/* vi_insert():
405 * Vi enter insert mode
406 * [i]
407 */
408protected el_action_t
409/*ARGSUSED*/
410vi_insert(EditLine *el, int c)
411{
412
413 el->el_map.current = el->el_map.key;
414
415 el->el_chared.c_vcmd.ins = el->el_line.cursor;
416 el->el_chared.c_undo.ptr = el->el_line.cursor;
417 el->el_chared.c_undo.action = DELETE;
418
419 return (CC_NORM);
420}
421
422
423/* vi_add():
424 * Vi enter insert mode after the cursor
425 * [a]
426 */
427protected el_action_t
428/*ARGSUSED*/
429vi_add(EditLine *el, int c)
430{
431 el_action_t ret;
432
433 el->el_map.current = el->el_map.key;
434 if (el->el_line.cursor < el->el_line.lastchar) {
435 el->el_line.cursor++;
436 if (el->el_line.cursor > el->el_line.lastchar)
437 el->el_line.cursor = el->el_line.lastchar;
438 ret = CC_CURSOR;
439 } else
440 ret = CC_NORM;
441
442 el->el_chared.c_vcmd.ins = el->el_line.cursor;
443 el->el_chared.c_undo.ptr = el->el_line.cursor;
444 el->el_chared.c_undo.action = DELETE;
445
446 return (ret);
447}
448
449
450/* vi_add_at_eol():
451 * Vi enter insert mode at end of line
452 * [A]
453 */
454protected el_action_t
455/*ARGSUSED*/
456vi_add_at_eol(EditLine *el, int c)
457{
458
459 el->el_map.current = el->el_map.key;
460 el->el_line.cursor = el->el_line.lastchar;
461
462 /* Mark where insertion begins */
463 el->el_chared.c_vcmd.ins = el->el_line.lastchar;
464 el->el_chared.c_undo.ptr = el->el_line.lastchar;
465 el->el_chared.c_undo.action = DELETE;
466 return (CC_CURSOR);
467}
468
469
470/* vi_delete_meta():
471 * Vi delete prefix command
472 * [d]
473 */
474protected el_action_t
475/*ARGSUSED*/
476vi_delete_meta(EditLine *el, int c)
477{
478
479 return (cv_action(el, DELETE));
480}
481
482
483/* vi_end_word():
484 * Vi move to the end of the current space delimited word
485 * [E]
486 */
487protected el_action_t
488/*ARGSUSED*/
489vi_end_word(EditLine *el, int c)
490{
491
492 if (el->el_line.cursor == el->el_line.lastchar)
493 return (CC_ERROR);
494
495 el->el_line.cursor = cv__endword(el->el_line.cursor,
496 el->el_line.lastchar, el->el_state.argument);
497
498 if (el->el_chared.c_vcmd.action & DELETE) {
499 el->el_line.cursor++;
500 cv_delfini(el);
501 return (CC_REFRESH);
502 }
503 return (CC_CURSOR);
504}
505
506
507/* vi_to_end_word():
508 * Vi move to the end of the current word
509 * [e]
510 */
511protected el_action_t
512/*ARGSUSED*/
513vi_to_end_word(EditLine *el, int c)
514{
515
516 if (el->el_line.cursor == el->el_line.lastchar)
517 return (CC_ERROR);
518
519 el->el_line.cursor = cv__endword(el->el_line.cursor,
520 el->el_line.lastchar, el->el_state.argument);
521
522 if (el->el_chared.c_vcmd.action & DELETE) {
523 el->el_line.cursor++;
524 cv_delfini(el);
525 return (CC_REFRESH);
526 }
527 return (CC_CURSOR);
528}
529
530
531/* vi_undo():
532 * Vi undo last change
533 * [u]
534 */
535protected el_action_t
536/*ARGSUSED*/
537vi_undo(EditLine *el, int c)
538{
539 char *cp, *kp;
540 char temp;
541 int i, size;
542 c_undo_t *un = &el->el_chared.c_undo;
543
544#ifdef DEBUG_UNDO
545 (void) fprintf(el->el_errfile, "Undo: %x \"%s\" +%d -%d\n",
546 un->action, un->buf, un->isize, un->dsize);
547#endif
548 switch (un->action) {
549 case DELETE:
550 if (un->dsize == 0)
551 return (CC_NORM);
552
553 (void) memcpy(un->buf, un->ptr, un->dsize);
554 for (cp = un->ptr; cp <= el->el_line.lastchar; cp++)
555 *cp = cp[un->dsize];
556
557 el->el_line.lastchar -= un->dsize;
558 el->el_line.cursor = un->ptr;
559
560 un->action = INSERT;
561 un->isize = un->dsize;
562 un->dsize = 0;
563 break;
564
565 case DELETE | INSERT:
566 size = un->isize - un->dsize;
567 if (size > 0)
568 i = un->dsize;
569 else
570 i = un->isize;
571 cp = un->ptr;
572 kp = un->buf;
573 while (i-- > 0) {
574 temp = *kp;
575 *kp++ = *cp;
576 *cp++ = temp;
577 }
578 if (size > 0) {
579 el->el_line.cursor = cp;
580 c_insert(el, size);
581 while (size-- > 0 && cp < el->el_line.lastchar) {
582 temp = *kp;
583 *kp++ = *cp;
584 *cp++ = temp;
585 }
586 } else if (size < 0) {
587 size = -size;
588 for (; cp <= el->el_line.lastchar; cp++) {
589 *kp++ = *cp;
590 *cp = cp[size];
591 }
592 el->el_line.lastchar -= size;
593 }
594 el->el_line.cursor = un->ptr;
595 i = un->dsize;
596 un->dsize = un->isize;
597 un->isize = i;
598 break;
599
600 case INSERT:
601 if (un->isize == 0)
602 return (CC_NORM);
603
604 el->el_line.cursor = un->ptr;
605 c_insert(el, (int) un->isize);
606 (void) memcpy(un->ptr, un->buf, un->isize);
607 un->action = DELETE;
608 un->dsize = un->isize;
609 un->isize = 0;
610 break;
611
612 case CHANGE:
613 if (un->isize == 0)
614 return (CC_NORM);
615
616 el->el_line.cursor = un->ptr;
617 size = (int) (el->el_line.cursor - el->el_line.lastchar);
618 if (size < un->isize)
619 size = un->isize;
620 cp = un->ptr;
621 kp = un->buf;
622 for (i = 0; i < size; i++) {
623 temp = *kp;
624 *kp++ = *cp;
625 *cp++ = temp;
626 }
627 un->dsize = 0;
628 break;
629
630 default:
631 return (CC_ERROR);
632 }
633
634 return (CC_REFRESH);
635}
636
637
638/* vi_undo_line():
639 * Vi undo all changes
640 * [U]
641 */
642protected el_action_t
643/*ARGSUSED*/
644vi_undo_line(EditLine *el, int c)
645{
646
647 return hist_get(el);
648}
649
650
651/* vi_command_mode():
652 * Vi enter command mode (use alternative key bindings)
653 * [<ESC>]
654 */
655protected el_action_t
656/*ARGSUSED*/
657vi_command_mode(EditLine *el, int c)
658{
659 int size;
660
661 /* [Esc] cancels pending action */
662 el->el_chared.c_vcmd.ins = 0;
663 el->el_chared.c_vcmd.action = NOP;
664 el->el_chared.c_vcmd.pos = 0;
665
666 el->el_state.doingarg = 0;
667 size = el->el_chared.c_undo.ptr - el->el_line.cursor;
668 if (size < 0)
669 size = -size;
670 if (el->el_chared.c_undo.action == (INSERT | DELETE) ||
671 el->el_chared.c_undo.action == DELETE)
672 el->el_chared.c_undo.dsize = size;
673 else
674 el->el_chared.c_undo.isize = size;
675
676 el->el_state.inputmode = MODE_INSERT;
677 el->el_map.current = el->el_map.alt;
678#ifdef VI_MOVE
679 if (el->el_line.cursor > el->el_line.buffer)
680 el->el_line.cursor--;
681#endif
682 return (CC_CURSOR);
683}
684
685
686/* vi_zero():
687 * Vi move to the beginning of line
688 * [0]
689 */
690protected el_action_t
691vi_zero(EditLine *el, int c)
692{
693
694 if (el->el_state.doingarg) {
695 if (el->el_state.argument > 1000000)
696 return (CC_ERROR);
697 el->el_state.argument =
698 (el->el_state.argument * 10) + (c - '0');
699 return (CC_ARGHACK);
700 } else {
701 el->el_line.cursor = el->el_line.buffer;
702 if (el->el_chared.c_vcmd.action & DELETE) {
703 cv_delfini(el);
704 return (CC_REFRESH);
705 }
706 return (CC_CURSOR);
707 }
708}
709
710
711/* vi_delete_prev_char():
712 * Vi move to previous character (backspace)
713 * [^H]
714 */
715protected el_action_t
716/*ARGSUSED*/
717vi_delete_prev_char(EditLine *el, int c)
718{
719
720 if (el->el_chared.c_vcmd.ins == 0)
721 return (CC_ERROR);
722
723 if (el->el_chared.c_vcmd.ins >
724 el->el_line.cursor - el->el_state.argument)
725 return (CC_ERROR);
726
727 c_delbefore(el, el->el_state.argument);
728 el->el_line.cursor -= el->el_state.argument;
729
730 return (CC_REFRESH);
731}
732
733
734/* vi_list_or_eof():
735 * Vi list choices for completion or indicate end of file if empty line
736 * [^D]
737 */
738protected el_action_t
739/*ARGSUSED*/
740vi_list_or_eof(EditLine *el, int c)
741{
742
743#ifdef notyet
744 if (el->el_line.cursor == el->el_line.lastchar &&
745 el->el_line.cursor == el->el_line.buffer) {
746#endif
44
45/*
46 * vi.c: Vi mode commands.
47 */
48#include "sys.h"
49#include "el.h"
50
51private el_action_t cv_action(EditLine *, int);
52private el_action_t cv_paste(EditLine *, int);
53
54/* cv_action():
55 * Handle vi actions.
56 */
57private el_action_t
58cv_action(EditLine *el, int c)
59{
60 char *cp, *kp;
61
62 if (el->el_chared.c_vcmd.action & DELETE) {
63 el->el_chared.c_vcmd.action = NOP;
64 el->el_chared.c_vcmd.pos = 0;
65
66 el->el_chared.c_undo.isize = 0;
67 el->el_chared.c_undo.dsize = 0;
68 kp = el->el_chared.c_undo.buf;
69 for (cp = el->el_line.buffer; cp < el->el_line.lastchar; cp++) {
70 *kp++ = *cp;
71 el->el_chared.c_undo.dsize++;
72 }
73
74 el->el_chared.c_undo.action = INSERT;
75 el->el_chared.c_undo.ptr = el->el_line.buffer;
76 el->el_line.lastchar = el->el_line.buffer;
77 el->el_line.cursor = el->el_line.buffer;
78 if (c & INSERT)
79 el->el_map.current = el->el_map.key;
80
81 return (CC_REFRESH);
82 }
83 el->el_chared.c_vcmd.pos = el->el_line.cursor;
84 el->el_chared.c_vcmd.action = c;
85 return (CC_ARGHACK);
86
87#ifdef notdef
88 /*
89 * I don't think that this is needed. But we keep it for now
90 */
91 else
92 if (el_chared.c_vcmd.action == NOP) {
93 el->el_chared.c_vcmd.pos = el->el_line.cursor;
94 el->el_chared.c_vcmd.action = c;
95 return (CC_ARGHACK);
96 } else {
97 el->el_chared.c_vcmd.action = 0;
98 el->el_chared.c_vcmd.pos = 0;
99 return (CC_ERROR);
100 }
101#endif
102}
103
104
105/* cv_paste():
106 * Paste previous deletion before or after the cursor
107 */
108private el_action_t
109cv_paste(EditLine *el, int c)
110{
111 char *ptr;
112 c_undo_t *un = &el->el_chared.c_undo;
113
114#ifdef DEBUG_PASTE
115 (void) fprintf(el->el_errfile, "Paste: %x \"%s\" +%d -%d\n",
116 un->action, un->buf, un->isize, un->dsize);
117#endif
118 if (un->isize == 0)
119 return (CC_ERROR);
120
121 if (!c && el->el_line.cursor < el->el_line.lastchar)
122 el->el_line.cursor++;
123 ptr = el->el_line.cursor;
124
125 c_insert(el, (int) un->isize);
126 if (el->el_line.cursor + un->isize > el->el_line.lastchar)
127 return (CC_ERROR);
128 (void) memcpy(ptr, un->buf, un->isize);
129 return (CC_REFRESH);
130}
131
132
133/* vi_paste_next():
134 * Vi paste previous deletion to the right of the cursor
135 * [p]
136 */
137protected el_action_t
138/*ARGSUSED*/
139vi_paste_next(EditLine *el, int c)
140{
141
142 return (cv_paste(el, 0));
143}
144
145
146/* vi_paste_prev():
147 * Vi paste previous deletion to the left of the cursor
148 * [P]
149 */
150protected el_action_t
151/*ARGSUSED*/
152vi_paste_prev(EditLine *el, int c)
153{
154
155 return (cv_paste(el, 1));
156}
157
158
159/* vi_prev_space_word():
160 * Vi move to the previous space delimited word
161 * [B]
162 */
163protected el_action_t
164/*ARGSUSED*/
165vi_prev_space_word(EditLine *el, int c)
166{
167
168 if (el->el_line.cursor == el->el_line.buffer)
169 return (CC_ERROR);
170
171 el->el_line.cursor = cv_prev_word(el, el->el_line.cursor,
172 el->el_line.buffer,
173 el->el_state.argument,
174 c___isword);
175
176 if (el->el_chared.c_vcmd.action & DELETE) {
177 cv_delfini(el);
178 return (CC_REFRESH);
179 }
180 return (CC_CURSOR);
181}
182
183
184/* vi_prev_word():
185 * Vi move to the previous word
186 * [b]
187 */
188protected el_action_t
189/*ARGSUSED*/
190vi_prev_word(EditLine *el, int c)
191{
192
193 if (el->el_line.cursor == el->el_line.buffer)
194 return (CC_ERROR);
195
196 el->el_line.cursor = cv_prev_word(el, el->el_line.cursor,
197 el->el_line.buffer,
198 el->el_state.argument,
199 cv__isword);
200
201 if (el->el_chared.c_vcmd.action & DELETE) {
202 cv_delfini(el);
203 return (CC_REFRESH);
204 }
205 return (CC_CURSOR);
206}
207
208
209/* vi_next_space_word():
210 * Vi move to the next space delimited word
211 * [W]
212 */
213protected el_action_t
214/*ARGSUSED*/
215vi_next_space_word(EditLine *el, int c)
216{
217
218 if (el->el_line.cursor == el->el_line.lastchar)
219 return (CC_ERROR);
220
221 el->el_line.cursor = cv_next_word(el, el->el_line.cursor,
222 el->el_line.lastchar,
223 el->el_state.argument,
224 c___isword);
225
226 if (el->el_map.type == MAP_VI)
227 if (el->el_chared.c_vcmd.action & DELETE) {
228 cv_delfini(el);
229 return (CC_REFRESH);
230 }
231 return (CC_CURSOR);
232}
233
234
235/* vi_next_word():
236 * Vi move to the next word
237 * [w]
238 */
239protected el_action_t
240/*ARGSUSED*/
241vi_next_word(EditLine *el, int c)
242{
243
244 if (el->el_line.cursor == el->el_line.lastchar)
245 return (CC_ERROR);
246
247 el->el_line.cursor = cv_next_word(el, el->el_line.cursor,
248 el->el_line.lastchar,
249 el->el_state.argument,
250 cv__isword);
251
252 if (el->el_map.type == MAP_VI)
253 if (el->el_chared.c_vcmd.action & DELETE) {
254 cv_delfini(el);
255 return (CC_REFRESH);
256 }
257 return (CC_CURSOR);
258}
259
260
261/* vi_change_case():
262 * Vi change case of character under the cursor and advance one character
263 * [~]
264 */
265protected el_action_t
266vi_change_case(EditLine *el, int c)
267{
268
269 if (el->el_line.cursor < el->el_line.lastchar) {
270 c = (unsigned char)*el->el_line.cursor;
271 if (isupper(c))
272 *el->el_line.cursor++ = tolower(c);
273 else if (islower(c))
274 *el->el_line.cursor++ = toupper(c);
275 else
276 el->el_line.cursor++;
277 re_fastaddc(el);
278 return (CC_NORM);
279 }
280 return (CC_ERROR);
281}
282
283
284/* vi_change_meta():
285 * Vi change prefix command
286 * [c]
287 */
288protected el_action_t
289/*ARGSUSED*/
290vi_change_meta(EditLine *el, int c)
291{
292
293 /*
294 * Delete with insert == change: first we delete and then we leave in
295 * insert mode.
296 */
297 return (cv_action(el, DELETE | INSERT));
298}
299
300
301/* vi_insert_at_bol():
302 * Vi enter insert mode at the beginning of line
303 * [I]
304 */
305protected el_action_t
306/*ARGSUSED*/
307vi_insert_at_bol(EditLine *el, int c)
308{
309
310 el->el_line.cursor = el->el_line.buffer;
311 el->el_chared.c_vcmd.ins = el->el_line.cursor;
312
313 el->el_chared.c_undo.ptr = el->el_line.cursor;
314 el->el_chared.c_undo.action = DELETE;
315
316 el->el_map.current = el->el_map.key;
317 return (CC_CURSOR);
318}
319
320
321/* vi_replace_char():
322 * Vi replace character under the cursor with the next character typed
323 * [r]
324 */
325protected el_action_t
326/*ARGSUSED*/
327vi_replace_char(EditLine *el, int c)
328{
329
330 el->el_map.current = el->el_map.key;
331 el->el_state.inputmode = MODE_REPLACE_1;
332 el->el_chared.c_undo.action = CHANGE;
333 el->el_chared.c_undo.ptr = el->el_line.cursor;
334 el->el_chared.c_undo.isize = 0;
335 el->el_chared.c_undo.dsize = 0;
336 return (CC_ARGHACK);
337}
338
339
340/* vi_replace_mode():
341 * Vi enter replace mode
342 * [R]
343 */
344protected el_action_t
345/*ARGSUSED*/
346vi_replace_mode(EditLine *el, int c)
347{
348
349 el->el_map.current = el->el_map.key;
350 el->el_state.inputmode = MODE_REPLACE;
351 el->el_chared.c_undo.action = CHANGE;
352 el->el_chared.c_undo.ptr = el->el_line.cursor;
353 el->el_chared.c_undo.isize = 0;
354 el->el_chared.c_undo.dsize = 0;
355 return (CC_ARGHACK);
356}
357
358
359/* vi_substitute_char():
360 * Vi replace character under the cursor and enter insert mode
361 * [s]
362 */
363protected el_action_t
364/*ARGSUSED*/
365vi_substitute_char(EditLine *el, int c)
366{
367
368 c_delafter(el, el->el_state.argument);
369 el->el_map.current = el->el_map.key;
370 return (CC_REFRESH);
371}
372
373
374/* vi_substitute_line():
375 * Vi substitute entire line
376 * [S]
377 */
378protected el_action_t
379/*ARGSUSED*/
380vi_substitute_line(EditLine *el, int c)
381{
382
383 (void) em_kill_line(el, 0);
384 el->el_map.current = el->el_map.key;
385 return (CC_REFRESH);
386}
387
388
389/* vi_change_to_eol():
390 * Vi change to end of line
391 * [C]
392 */
393protected el_action_t
394/*ARGSUSED*/
395vi_change_to_eol(EditLine *el, int c)
396{
397
398 (void) ed_kill_line(el, 0);
399 el->el_map.current = el->el_map.key;
400 return (CC_REFRESH);
401}
402
403
404/* vi_insert():
405 * Vi enter insert mode
406 * [i]
407 */
408protected el_action_t
409/*ARGSUSED*/
410vi_insert(EditLine *el, int c)
411{
412
413 el->el_map.current = el->el_map.key;
414
415 el->el_chared.c_vcmd.ins = el->el_line.cursor;
416 el->el_chared.c_undo.ptr = el->el_line.cursor;
417 el->el_chared.c_undo.action = DELETE;
418
419 return (CC_NORM);
420}
421
422
423/* vi_add():
424 * Vi enter insert mode after the cursor
425 * [a]
426 */
427protected el_action_t
428/*ARGSUSED*/
429vi_add(EditLine *el, int c)
430{
431 el_action_t ret;
432
433 el->el_map.current = el->el_map.key;
434 if (el->el_line.cursor < el->el_line.lastchar) {
435 el->el_line.cursor++;
436 if (el->el_line.cursor > el->el_line.lastchar)
437 el->el_line.cursor = el->el_line.lastchar;
438 ret = CC_CURSOR;
439 } else
440 ret = CC_NORM;
441
442 el->el_chared.c_vcmd.ins = el->el_line.cursor;
443 el->el_chared.c_undo.ptr = el->el_line.cursor;
444 el->el_chared.c_undo.action = DELETE;
445
446 return (ret);
447}
448
449
450/* vi_add_at_eol():
451 * Vi enter insert mode at end of line
452 * [A]
453 */
454protected el_action_t
455/*ARGSUSED*/
456vi_add_at_eol(EditLine *el, int c)
457{
458
459 el->el_map.current = el->el_map.key;
460 el->el_line.cursor = el->el_line.lastchar;
461
462 /* Mark where insertion begins */
463 el->el_chared.c_vcmd.ins = el->el_line.lastchar;
464 el->el_chared.c_undo.ptr = el->el_line.lastchar;
465 el->el_chared.c_undo.action = DELETE;
466 return (CC_CURSOR);
467}
468
469
470/* vi_delete_meta():
471 * Vi delete prefix command
472 * [d]
473 */
474protected el_action_t
475/*ARGSUSED*/
476vi_delete_meta(EditLine *el, int c)
477{
478
479 return (cv_action(el, DELETE));
480}
481
482
483/* vi_end_word():
484 * Vi move to the end of the current space delimited word
485 * [E]
486 */
487protected el_action_t
488/*ARGSUSED*/
489vi_end_word(EditLine *el, int c)
490{
491
492 if (el->el_line.cursor == el->el_line.lastchar)
493 return (CC_ERROR);
494
495 el->el_line.cursor = cv__endword(el->el_line.cursor,
496 el->el_line.lastchar, el->el_state.argument);
497
498 if (el->el_chared.c_vcmd.action & DELETE) {
499 el->el_line.cursor++;
500 cv_delfini(el);
501 return (CC_REFRESH);
502 }
503 return (CC_CURSOR);
504}
505
506
507/* vi_to_end_word():
508 * Vi move to the end of the current word
509 * [e]
510 */
511protected el_action_t
512/*ARGSUSED*/
513vi_to_end_word(EditLine *el, int c)
514{
515
516 if (el->el_line.cursor == el->el_line.lastchar)
517 return (CC_ERROR);
518
519 el->el_line.cursor = cv__endword(el->el_line.cursor,
520 el->el_line.lastchar, el->el_state.argument);
521
522 if (el->el_chared.c_vcmd.action & DELETE) {
523 el->el_line.cursor++;
524 cv_delfini(el);
525 return (CC_REFRESH);
526 }
527 return (CC_CURSOR);
528}
529
530
531/* vi_undo():
532 * Vi undo last change
533 * [u]
534 */
535protected el_action_t
536/*ARGSUSED*/
537vi_undo(EditLine *el, int c)
538{
539 char *cp, *kp;
540 char temp;
541 int i, size;
542 c_undo_t *un = &el->el_chared.c_undo;
543
544#ifdef DEBUG_UNDO
545 (void) fprintf(el->el_errfile, "Undo: %x \"%s\" +%d -%d\n",
546 un->action, un->buf, un->isize, un->dsize);
547#endif
548 switch (un->action) {
549 case DELETE:
550 if (un->dsize == 0)
551 return (CC_NORM);
552
553 (void) memcpy(un->buf, un->ptr, un->dsize);
554 for (cp = un->ptr; cp <= el->el_line.lastchar; cp++)
555 *cp = cp[un->dsize];
556
557 el->el_line.lastchar -= un->dsize;
558 el->el_line.cursor = un->ptr;
559
560 un->action = INSERT;
561 un->isize = un->dsize;
562 un->dsize = 0;
563 break;
564
565 case DELETE | INSERT:
566 size = un->isize - un->dsize;
567 if (size > 0)
568 i = un->dsize;
569 else
570 i = un->isize;
571 cp = un->ptr;
572 kp = un->buf;
573 while (i-- > 0) {
574 temp = *kp;
575 *kp++ = *cp;
576 *cp++ = temp;
577 }
578 if (size > 0) {
579 el->el_line.cursor = cp;
580 c_insert(el, size);
581 while (size-- > 0 && cp < el->el_line.lastchar) {
582 temp = *kp;
583 *kp++ = *cp;
584 *cp++ = temp;
585 }
586 } else if (size < 0) {
587 size = -size;
588 for (; cp <= el->el_line.lastchar; cp++) {
589 *kp++ = *cp;
590 *cp = cp[size];
591 }
592 el->el_line.lastchar -= size;
593 }
594 el->el_line.cursor = un->ptr;
595 i = un->dsize;
596 un->dsize = un->isize;
597 un->isize = i;
598 break;
599
600 case INSERT:
601 if (un->isize == 0)
602 return (CC_NORM);
603
604 el->el_line.cursor = un->ptr;
605 c_insert(el, (int) un->isize);
606 (void) memcpy(un->ptr, un->buf, un->isize);
607 un->action = DELETE;
608 un->dsize = un->isize;
609 un->isize = 0;
610 break;
611
612 case CHANGE:
613 if (un->isize == 0)
614 return (CC_NORM);
615
616 el->el_line.cursor = un->ptr;
617 size = (int) (el->el_line.cursor - el->el_line.lastchar);
618 if (size < un->isize)
619 size = un->isize;
620 cp = un->ptr;
621 kp = un->buf;
622 for (i = 0; i < size; i++) {
623 temp = *kp;
624 *kp++ = *cp;
625 *cp++ = temp;
626 }
627 un->dsize = 0;
628 break;
629
630 default:
631 return (CC_ERROR);
632 }
633
634 return (CC_REFRESH);
635}
636
637
638/* vi_undo_line():
639 * Vi undo all changes
640 * [U]
641 */
642protected el_action_t
643/*ARGSUSED*/
644vi_undo_line(EditLine *el, int c)
645{
646
647 return hist_get(el);
648}
649
650
651/* vi_command_mode():
652 * Vi enter command mode (use alternative key bindings)
653 * [<ESC>]
654 */
655protected el_action_t
656/*ARGSUSED*/
657vi_command_mode(EditLine *el, int c)
658{
659 int size;
660
661 /* [Esc] cancels pending action */
662 el->el_chared.c_vcmd.ins = 0;
663 el->el_chared.c_vcmd.action = NOP;
664 el->el_chared.c_vcmd.pos = 0;
665
666 el->el_state.doingarg = 0;
667 size = el->el_chared.c_undo.ptr - el->el_line.cursor;
668 if (size < 0)
669 size = -size;
670 if (el->el_chared.c_undo.action == (INSERT | DELETE) ||
671 el->el_chared.c_undo.action == DELETE)
672 el->el_chared.c_undo.dsize = size;
673 else
674 el->el_chared.c_undo.isize = size;
675
676 el->el_state.inputmode = MODE_INSERT;
677 el->el_map.current = el->el_map.alt;
678#ifdef VI_MOVE
679 if (el->el_line.cursor > el->el_line.buffer)
680 el->el_line.cursor--;
681#endif
682 return (CC_CURSOR);
683}
684
685
686/* vi_zero():
687 * Vi move to the beginning of line
688 * [0]
689 */
690protected el_action_t
691vi_zero(EditLine *el, int c)
692{
693
694 if (el->el_state.doingarg) {
695 if (el->el_state.argument > 1000000)
696 return (CC_ERROR);
697 el->el_state.argument =
698 (el->el_state.argument * 10) + (c - '0');
699 return (CC_ARGHACK);
700 } else {
701 el->el_line.cursor = el->el_line.buffer;
702 if (el->el_chared.c_vcmd.action & DELETE) {
703 cv_delfini(el);
704 return (CC_REFRESH);
705 }
706 return (CC_CURSOR);
707 }
708}
709
710
711/* vi_delete_prev_char():
712 * Vi move to previous character (backspace)
713 * [^H]
714 */
715protected el_action_t
716/*ARGSUSED*/
717vi_delete_prev_char(EditLine *el, int c)
718{
719
720 if (el->el_chared.c_vcmd.ins == 0)
721 return (CC_ERROR);
722
723 if (el->el_chared.c_vcmd.ins >
724 el->el_line.cursor - el->el_state.argument)
725 return (CC_ERROR);
726
727 c_delbefore(el, el->el_state.argument);
728 el->el_line.cursor -= el->el_state.argument;
729
730 return (CC_REFRESH);
731}
732
733
734/* vi_list_or_eof():
735 * Vi list choices for completion or indicate end of file if empty line
736 * [^D]
737 */
738protected el_action_t
739/*ARGSUSED*/
740vi_list_or_eof(EditLine *el, int c)
741{
742
743#ifdef notyet
744 if (el->el_line.cursor == el->el_line.lastchar &&
745 el->el_line.cursor == el->el_line.buffer) {
746#endif
747 term_overwrite(el, STReof, 4); /* then do a EOF */
747 term_overwrite(el, STReof, 4); /* then do an EOF */
748 term__flush();
749 return (CC_EOF);
750#ifdef notyet
751 } else {
752 re_goto_bottom(el);
753 *el->el_line.lastchar = '\0'; /* just in case */
754 return (CC_LIST_CHOICES);
755 }
756#endif
757}
758
759
760/* vi_kill_line_prev():
761 * Vi cut from beginning of line to cursor
762 * [^U]
763 */
764protected el_action_t
765/*ARGSUSED*/
766vi_kill_line_prev(EditLine *el, int c)
767{
768 char *kp, *cp;
769
770 cp = el->el_line.buffer;
771 kp = el->el_chared.c_kill.buf;
772 while (cp < el->el_line.cursor)
773 *kp++ = *cp++; /* copy it */
774 el->el_chared.c_kill.last = kp;
775 c_delbefore(el, el->el_line.cursor - el->el_line.buffer);
776 el->el_line.cursor = el->el_line.buffer; /* zap! */
777 return (CC_REFRESH);
778}
779
780
781/* vi_search_prev():
782 * Vi search history previous
783 * [?]
784 */
785protected el_action_t
786/*ARGSUSED*/
787vi_search_prev(EditLine *el, int c)
788{
789
790 return (cv_search(el, ED_SEARCH_PREV_HISTORY));
791}
792
793
794/* vi_search_next():
795 * Vi search history next
796 * [/]
797 */
798protected el_action_t
799/*ARGSUSED*/
800vi_search_next(EditLine *el, int c)
801{
802
803 return (cv_search(el, ED_SEARCH_NEXT_HISTORY));
804}
805
806
807/* vi_repeat_search_next():
808 * Vi repeat current search in the same search direction
809 * [n]
810 */
811protected el_action_t
812/*ARGSUSED*/
813vi_repeat_search_next(EditLine *el, int c)
814{
815
816 if (el->el_search.patlen == 0)
817 return (CC_ERROR);
818 else
819 return (cv_repeat_srch(el, el->el_search.patdir));
820}
821
822
823/* vi_repeat_search_prev():
824 * Vi repeat current search in the opposite search direction
825 * [N]
826 */
827/*ARGSUSED*/
828protected el_action_t
829vi_repeat_search_prev(EditLine *el, int c)
830{
831
832 if (el->el_search.patlen == 0)
833 return (CC_ERROR);
834 else
835 return (cv_repeat_srch(el,
836 el->el_search.patdir == ED_SEARCH_PREV_HISTORY ?
837 ED_SEARCH_NEXT_HISTORY : ED_SEARCH_PREV_HISTORY));
838}
839
840
841/* vi_next_char():
842 * Vi move to the character specified next
843 * [f]
844 */
845protected el_action_t
846/*ARGSUSED*/
847vi_next_char(EditLine *el, int c)
848{
849 char ch;
850
851 if (el_getc(el, &ch) != 1)
852 return (ed_end_of_file(el, 0));
853
854 el->el_search.chadir = CHAR_FWD;
855 el->el_search.chacha = ch;
856
857 return (cv_csearch_fwd(el, ch, el->el_state.argument, 0));
858
859}
860
861
862/* vi_prev_char():
863 * Vi move to the character specified previous
864 * [F]
865 */
866protected el_action_t
867/*ARGSUSED*/
868vi_prev_char(EditLine *el, int c)
869{
870 char ch;
871
872 if (el_getc(el, &ch) != 1)
873 return (ed_end_of_file(el, 0));
874
875 el->el_search.chadir = CHAR_BACK;
876 el->el_search.chacha = ch;
877
878 return (cv_csearch_back(el, ch, el->el_state.argument, 0));
879}
880
881
882/* vi_to_next_char():
883 * Vi move up to the character specified next
884 * [t]
885 */
886protected el_action_t
887/*ARGSUSED*/
888vi_to_next_char(EditLine *el, int c)
889{
890 char ch;
891
892 if (el_getc(el, &ch) != 1)
893 return (ed_end_of_file(el, 0));
894
895 return (cv_csearch_fwd(el, ch, el->el_state.argument, 1));
896
897}
898
899
900/* vi_to_prev_char():
901 * Vi move up to the character specified previous
902 * [T]
903 */
904protected el_action_t
905/*ARGSUSED*/
906vi_to_prev_char(EditLine *el, int c)
907{
908 char ch;
909
910 if (el_getc(el, &ch) != 1)
911 return (ed_end_of_file(el, 0));
912
913 return (cv_csearch_back(el, ch, el->el_state.argument, 1));
914}
915
916
917/* vi_repeat_next_char():
918 * Vi repeat current character search in the same search direction
919 * [;]
920 */
921protected el_action_t
922/*ARGSUSED*/
923vi_repeat_next_char(EditLine *el, int c)
924{
925
926 if (el->el_search.chacha == 0)
927 return (CC_ERROR);
928
929 return (el->el_search.chadir == CHAR_FWD
930 ? cv_csearch_fwd(el, el->el_search.chacha,
931 el->el_state.argument, 0)
932 : cv_csearch_back(el, el->el_search.chacha,
933 el->el_state.argument, 0));
934}
935
936
937/* vi_repeat_prev_char():
938 * Vi repeat current character search in the opposite search direction
939 * [,]
940 */
941protected el_action_t
942/*ARGSUSED*/
943vi_repeat_prev_char(EditLine *el, int c)
944{
945
946 if (el->el_search.chacha == 0)
947 return (CC_ERROR);
948
949 return el->el_search.chadir == CHAR_BACK ?
950 cv_csearch_fwd(el, el->el_search.chacha, el->el_state.argument, 0) :
951 cv_csearch_back(el, el->el_search.chacha, el->el_state.argument, 0);
952}
748 term__flush();
749 return (CC_EOF);
750#ifdef notyet
751 } else {
752 re_goto_bottom(el);
753 *el->el_line.lastchar = '\0'; /* just in case */
754 return (CC_LIST_CHOICES);
755 }
756#endif
757}
758
759
760/* vi_kill_line_prev():
761 * Vi cut from beginning of line to cursor
762 * [^U]
763 */
764protected el_action_t
765/*ARGSUSED*/
766vi_kill_line_prev(EditLine *el, int c)
767{
768 char *kp, *cp;
769
770 cp = el->el_line.buffer;
771 kp = el->el_chared.c_kill.buf;
772 while (cp < el->el_line.cursor)
773 *kp++ = *cp++; /* copy it */
774 el->el_chared.c_kill.last = kp;
775 c_delbefore(el, el->el_line.cursor - el->el_line.buffer);
776 el->el_line.cursor = el->el_line.buffer; /* zap! */
777 return (CC_REFRESH);
778}
779
780
781/* vi_search_prev():
782 * Vi search history previous
783 * [?]
784 */
785protected el_action_t
786/*ARGSUSED*/
787vi_search_prev(EditLine *el, int c)
788{
789
790 return (cv_search(el, ED_SEARCH_PREV_HISTORY));
791}
792
793
794/* vi_search_next():
795 * Vi search history next
796 * [/]
797 */
798protected el_action_t
799/*ARGSUSED*/
800vi_search_next(EditLine *el, int c)
801{
802
803 return (cv_search(el, ED_SEARCH_NEXT_HISTORY));
804}
805
806
807/* vi_repeat_search_next():
808 * Vi repeat current search in the same search direction
809 * [n]
810 */
811protected el_action_t
812/*ARGSUSED*/
813vi_repeat_search_next(EditLine *el, int c)
814{
815
816 if (el->el_search.patlen == 0)
817 return (CC_ERROR);
818 else
819 return (cv_repeat_srch(el, el->el_search.patdir));
820}
821
822
823/* vi_repeat_search_prev():
824 * Vi repeat current search in the opposite search direction
825 * [N]
826 */
827/*ARGSUSED*/
828protected el_action_t
829vi_repeat_search_prev(EditLine *el, int c)
830{
831
832 if (el->el_search.patlen == 0)
833 return (CC_ERROR);
834 else
835 return (cv_repeat_srch(el,
836 el->el_search.patdir == ED_SEARCH_PREV_HISTORY ?
837 ED_SEARCH_NEXT_HISTORY : ED_SEARCH_PREV_HISTORY));
838}
839
840
841/* vi_next_char():
842 * Vi move to the character specified next
843 * [f]
844 */
845protected el_action_t
846/*ARGSUSED*/
847vi_next_char(EditLine *el, int c)
848{
849 char ch;
850
851 if (el_getc(el, &ch) != 1)
852 return (ed_end_of_file(el, 0));
853
854 el->el_search.chadir = CHAR_FWD;
855 el->el_search.chacha = ch;
856
857 return (cv_csearch_fwd(el, ch, el->el_state.argument, 0));
858
859}
860
861
862/* vi_prev_char():
863 * Vi move to the character specified previous
864 * [F]
865 */
866protected el_action_t
867/*ARGSUSED*/
868vi_prev_char(EditLine *el, int c)
869{
870 char ch;
871
872 if (el_getc(el, &ch) != 1)
873 return (ed_end_of_file(el, 0));
874
875 el->el_search.chadir = CHAR_BACK;
876 el->el_search.chacha = ch;
877
878 return (cv_csearch_back(el, ch, el->el_state.argument, 0));
879}
880
881
882/* vi_to_next_char():
883 * Vi move up to the character specified next
884 * [t]
885 */
886protected el_action_t
887/*ARGSUSED*/
888vi_to_next_char(EditLine *el, int c)
889{
890 char ch;
891
892 if (el_getc(el, &ch) != 1)
893 return (ed_end_of_file(el, 0));
894
895 return (cv_csearch_fwd(el, ch, el->el_state.argument, 1));
896
897}
898
899
900/* vi_to_prev_char():
901 * Vi move up to the character specified previous
902 * [T]
903 */
904protected el_action_t
905/*ARGSUSED*/
906vi_to_prev_char(EditLine *el, int c)
907{
908 char ch;
909
910 if (el_getc(el, &ch) != 1)
911 return (ed_end_of_file(el, 0));
912
913 return (cv_csearch_back(el, ch, el->el_state.argument, 1));
914}
915
916
917/* vi_repeat_next_char():
918 * Vi repeat current character search in the same search direction
919 * [;]
920 */
921protected el_action_t
922/*ARGSUSED*/
923vi_repeat_next_char(EditLine *el, int c)
924{
925
926 if (el->el_search.chacha == 0)
927 return (CC_ERROR);
928
929 return (el->el_search.chadir == CHAR_FWD
930 ? cv_csearch_fwd(el, el->el_search.chacha,
931 el->el_state.argument, 0)
932 : cv_csearch_back(el, el->el_search.chacha,
933 el->el_state.argument, 0));
934}
935
936
937/* vi_repeat_prev_char():
938 * Vi repeat current character search in the opposite search direction
939 * [,]
940 */
941protected el_action_t
942/*ARGSUSED*/
943vi_repeat_prev_char(EditLine *el, int c)
944{
945
946 if (el->el_search.chacha == 0)
947 return (CC_ERROR);
948
949 return el->el_search.chadir == CHAR_BACK ?
950 cv_csearch_fwd(el, el->el_search.chacha, el->el_state.argument, 0) :
951 cv_csearch_back(el, el->el_search.chacha, el->el_state.argument, 0);
952}