dte test coverage


Directory: ./
File: src/commands.c
Date: 2025-05-08 15:05:54
Exec Total Coverage
Lines: 1190 1537 77.4%
Functions: 105 113 92.9%
Branches: 493 860 57.3%

Line Branch Exec Source
1 #include <errno.h>
2 #include <fcntl.h>
3 #include <glob.h>
4 #include <signal.h>
5 #include <stdlib.h>
6 #include <string.h>
7 #include <sys/stat.h>
8 #include <unistd.h>
9 #include "commands.h"
10 #include "bind.h"
11 #include "bookmark.h"
12 #include "buffer.h"
13 #include "case.h"
14 #include "change.h"
15 #include "cmdline.h"
16 #include "command/alias.h"
17 #include "command/args.h"
18 #include "command/error.h"
19 #include "command/macro.h"
20 #include "compiler.h"
21 #include "config.h"
22 #include "convert.h"
23 #include "copy.h"
24 #include "delete.h"
25 #include "editor.h"
26 #include "encoding.h"
27 #include "exec.h"
28 #include "file-option.h"
29 #include "filetype.h"
30 #include "frame.h"
31 #include "history.h"
32 #include "insert.h"
33 #include "join.h"
34 #include "load-save.h"
35 #include "lock.h"
36 #include "mode.h"
37 #include "move.h"
38 #include "msg.h"
39 #include "regexp.h"
40 #include "replace.h"
41 #include "search.h"
42 #include "selection.h"
43 #include "shift.h"
44 #include "show.h"
45 #include "spawn.h"
46 #include "syntax/color.h"
47 #include "syntax/syntax.h"
48 #include "tag.h"
49 #include "terminal/cursor.h"
50 #include "terminal/mode.h"
51 #include "terminal/osc52.h"
52 #include "terminal/style.h"
53 #include "terminal/terminal.h"
54 #include "ui.h"
55 #include "util/arith.h"
56 #include "util/array.h"
57 #include "util/ascii.h"
58 #include "util/bit.h"
59 #include "util/bsearch.h"
60 #include "util/debug.h"
61 #include "util/intern.h"
62 #include "util/log.h"
63 #include "util/path.h"
64 #include "util/str-array.h"
65 #include "util/str-util.h"
66 #include "util/strtonum.h"
67 #include "util/time-util.h"
68 #include "util/xmalloc.h"
69 #include "util/xsnprintf.h"
70 #include "view.h"
71 #include "window.h"
72 #include "wrap.h"
73
74 NOINLINE
75 16 static void do_selection_noinline(View *view, SelectionType sel)
76 {
77 // Should only be called from do_selection()
78 16 BUG_ON(sel == view->selection);
79
80
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16 if (sel == SELECT_NONE) {
81 1 unselect(view);
82 1 return;
83 }
84
85
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15 if (view->selection) {
86 if (view->selection != sel) {
87 view->selection = sel;
88 // TODO: be less brute force about this; only the first/last
89 // line of the selection can change in this case
90 mark_all_lines_changed(view->buffer);
91 }
92 return;
93 }
94
95 15 view->sel_so = block_iter_get_offset(&view->cursor);
96 15 view->sel_eo = SEL_EO_RECALC;
97 15 view->selection = sel;
98
99 // Need to mark current line changed because cursor might
100 // move up or down before screen is updated
101 15 view_update_cursor_y(view);
102 15 buffer_mark_lines_changed(view->buffer, view->cy, view->cy);
103 }
104
105 130 static void do_selection(View *view, SelectionType sel)
106 {
107
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130 if (likely(sel == view->selection)) {
108 // If `sel` is SELECT_NONE here, it's always equal to select_mode
109 114 BUG_ON(!sel && view->select_mode);
110 return;
111 }
112
113 16 do_selection_noinline(view, sel);
114 }
115
116 18 static char last_flag_or_default(const CommandArgs *a, char def)
117 {
118 18 size_t n = a->nr_flags;
119
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18 return n ? a->flags[n - 1] : def;
120 }
121
122 16 static char last_flag(const CommandArgs *a)
123 {
124 16 return last_flag_or_default(a, 0);
125 }
126
127 6307 static bool has_flag(const CommandArgs *a, unsigned char flag)
128 {
129 6307 return cmdargs_has_flag(a, flag);
130 }
131
132 127 static void handle_selection_flags(View *view, const CommandArgs *a)
133 {
134 127 SelectionType sel;
135
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127 if (has_flag(a, 'l')) {
136 sel = SELECT_LINES;
137
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112 } else if (has_flag(a, 'c')) {
138 10 static_assert(SELECT_CHARS < SELECT_LINES);
139
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10 sel = MAX(SELECT_CHARS, view->select_mode);
140 } else {
141 102 sel = view->select_mode;
142 }
143 127 do_selection(view, sel);
144 127 }
145
146 170 static bool cmd_alias(EditorState *e, const CommandArgs *a)
147 {
148 170 const char *const name = a->args[0];
149 170 const char *const cmd = a->args[1];
150
151
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170 if (unlikely(name[0] == '\0')) {
152 1 return error_msg(&e->err, "Empty alias name not allowed");
153 }
154
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169 if (unlikely(name[0] == '-')) {
155 // Disallowing this simplifies auto-completion for "alias "
156 1 return error_msg(&e->err, "Alias name cannot begin with '-'");
157 }
158
159
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1449 for (size_t i = 0; name[i]; i++) {
160 1282 unsigned char c = name[i];
161
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1282 if (unlikely(!(is_word_byte(c) || c == '-' || c == '?' || c == '!'))) {
162 1 return error_msg(&e->err, "Invalid byte in alias name: %c (0x%02hhX)", c, c);
163 }
164 }
165
166
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167 if (unlikely(find_normal_command(name))) {
167 1 return error_msg(&e->err, "Can't replace existing command %s with an alias", name);
168 }
169
170
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166 if (likely(cmd)) {
171 164 add_alias(&e->aliases, name, cmd);
172 } else {
173 2 remove_alias(&e->aliases, name);
174 }
175
176 return true;
177 }
178
179 1130 static bool cmd_bind(EditorState *e, const CommandArgs *a)
180 {
181 1130 const char *keystr = a->args[a->nr_flag_args];
182 1130 const char *cmd = a->args[a->nr_flag_args + 1];
183 1130 KeyCode key = parse_key_string(keystr);
184
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1130 if (unlikely(key == KEY_NONE)) {
185
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1 if (has_flag(a, 'q')) {
186 LOG_INFO("bind -q: dropped invalid key string: %s", keystr);
187 return false;
188 }
189 1 return error_msg(&e->err, "invalid key string: %s", keystr);
190 }
191
192 1129 ModeHandler *modes[10];
193 1129 size_t nmodes = 0;
194 1129 static_assert(ARRAYLEN(modes) <= ARRAYLEN(a->flags));
195
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1129 if (has_flag(a, 'n')) {
196 modes[nmodes++] = e->normal_mode;
197 }
198
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1129 if (has_flag(a, 'c')) {
199 259 modes[nmodes++] = e->command_mode;
200 }
201
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1129 if (has_flag(a, 's')) {
202 266 modes[nmodes++] = e->search_mode;
203 }
204
205
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1129 if (unlikely(nmodes + a->nr_flag_args > ARRAYLEN(modes))) {
206 // This is already prevented by the ARGERR_TOO_MANY_OPTIONS check
207 // in do_parse_args(), but since that's only incidental, it's still
208 // checked here
209 return error_msg(&e->err, "too many modes specified");
210 }
211
212 // Gather pointers to modes specified via `-T modename`. This is done
213 // separately from adding/removing bindings, partly so that either all
214 // modes are processed or none are (if the error below is triggered).
215
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1129 for (size_t i = 0, n = a->nr_flag_args; i < n; i++) {
216 1 const char *name = a->args[i];
217 1 ModeHandler *mode = get_mode_handler(&e->modes, name);
218
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1 if (unlikely(!mode)) {
219 1 return error_msg(&e->err, "can't bind key in unknown mode '%s'", name);
220 }
221 modes[nmodes++] = mode;
222 }
223
224
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1128 if (nmodes == 0) {
225 // No [-cnsT] flags used; default to normal mode
226 848 modes[nmodes++] = e->normal_mode;
227 }
228
229
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1128 if (!cmd) {
230 for (size_t i = 0; i < nmodes; i++) {
231 remove_binding(&modes[i]->key_bindings, key);
232 }
233 return true;
234 }
235
236 1128 CommandRunner runner = cmdrunner(e, NULL);
237
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2501 for (size_t i = 0; i < nmodes; i++) {
238 1373 runner.cmds = modes[i]->cmds;
239 1373 CachedCommand *cc = cached_command_new(&runner, cmd);
240 1373 add_binding(&modes[i]->key_bindings, key, cc);
241 }
242
243 return true;
244 }
245
246 4 static bool cmd_bof(EditorState *e, const CommandArgs *a)
247 {
248 4 handle_selection_flags(e->view, a);
249 4 move_bof(e->view);
250 4 return true;
251 }
252
253 7 static bool cmd_bol(EditorState *e, const CommandArgs *a)
254 {
255 7 SmartBolType type = BOL_SIMPLE;
256
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7 switch (cmdargs_pick_winning_flag(a, "rst")) {
257 case 'r': type = BOL_TOGGLE_LR; break;
258 case 's': type = BOL_INDENT; break;
259 case 't': type = BOL_TOGGLE_RL; break;
260 }
261
262 7 handle_selection_flags(e->view, a);
263 7 move_bol(e->view, type);
264 7 return true;
265 }
266
267 1 static bool cmd_bolsf(EditorState *e, const CommandArgs *a)
268 {
269 1 BUG_ON(a->nr_args);
270 1 View *view = e->view;
271 1 handle_selection_flags(view, a);
272
273
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1 if (!block_iter_bol(&view->cursor)) {
274 1 long top = view->vy + window_get_scroll_margin(e->window);
275
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1 if (view->cy > top) {
276 1 move_up(view, view->cy - top);
277 } else {
278 block_iter_bof(&view->cursor);
279 }
280 }
281
282 1 view_reset_preferred_x(view);
283 1 return true;
284 }
285
286 1 static bool cmd_bookmark(EditorState *e, const CommandArgs *a)
287 {
288 1 PointerArray *bookmarks = &e->bookmarks;
289
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1 if (has_flag(a, 'r')) {
290 bookmark_pop(bookmarks, e->window);
291 return true;
292 }
293
294 1 bookmark_push(bookmarks, get_current_file_location(e->view));
295 1 return true;
296 }
297
298 2 static bool cmd_case(EditorState *e, const CommandArgs *a)
299 {
300 2 change_case(e->view, last_flag_or_default(a, 't'));
301 2 return true;
302 }
303
304 4 static void mark_tabbar_changed(Window *window, void* UNUSED_ARG(data))
305 {
306 4 window->update_tabbar = true;
307 4 }
308
309 6 static bool cmd_cd(EditorState *e, const CommandArgs *a)
310 {
311 6 const char *dir = a->args[0];
312 6 ErrorBuffer *ebuf = &e->err;
313
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6 if (unlikely(dir[0] == '\0')) {
314 1 return error_msg(ebuf, "directory argument cannot be empty");
315 }
316
317
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5 if (streq(dir, "-")) {
318 2 dir = xgetenv("OLDPWD");
319
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2 if (!dir) {
320 return error_msg(ebuf, "OLDPWD not set");
321 }
322 }
323
324 5 char buf[8192];
325 5 const char *cwd = getcwd(buf, sizeof(buf));
326
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5 if (chdir(dir) != 0) {
327 1 return error_msg_errno(ebuf, "changing directory failed");
328 }
329
330
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4 if (likely(cwd)) {
331 4 int r = setenv("OLDPWD", cwd, 1);
332
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4 if (unlikely(r != 0)) {
333 LOG_WARNING("failed to set OLDPWD: %s", strerror(errno));
334 }
335 }
336
337 4 cwd = getcwd(buf, sizeof(buf));
338
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4 if (likely(cwd)) {
339 4 int r = setenv("PWD", cwd, 1);
340
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4 if (unlikely(r != 0)) {
341 LOG_WARNING("failed to set PWD: %s", strerror(errno));
342 }
343 }
344
345
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140 for (size_t i = 0, n = e->buffers.count; i < n; i++) {
346 136 Buffer *buffer = e->buffers.ptrs[i];
347 136 buffer_update_short_filename_cwd(buffer, &e->home_dir, cwd);
348 }
349
350 4 frame_for_each_window(e->root_frame, mark_tabbar_changed, NULL);
351 4 e->screen_update |= UPDATE_TERM_TITLE;
352
353 4 bool verbose = has_flag(a, 'v');
354
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4 return !verbose || info_msg(ebuf, "changed directory to: %s", cwd ? cwd : dir);
355 }
356
357 static bool cmd_center_view(EditorState *e, const CommandArgs *a)
358 {
359 BUG_ON(a->nr_args);
360 e->view->force_center = true;
361 return true;
362 }
363
364 4 static bool cmd_clear(EditorState *e, const CommandArgs *a)
365 {
366 4 char iflag = cmdargs_pick_winning_flag(a, "iI");
367
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4 bool auto_indent = iflag ? (iflag == 'i') : e->buffer->options.auto_indent;
368 4 clear_lines(e->view, auto_indent);
369 4 return true;
370 }
371
372 25 static bool cmd_close(EditorState *e, const CommandArgs *a)
373 {
374 25 bool force = has_flag(a, 'f');
375
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25 if (!force && !view_can_close(e->view)) {
376 2 bool prompt = has_flag(a, 'p');
377
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2 if (!prompt) {
378 1 return error_msg (
379 &e->err,
380 "The buffer is modified; "
381 "save or run 'close -f' to close without saving"
382 );
383 }
384
385
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1 if (unlikely(e->flags & EFLAG_HEADLESS)) {
386 1 return error_msg(&e->err, "-p flag unavailable in headless mode");
387 }
388
389 static const char str[] = "Close without saving changes? [y/N]";
390 if (dialog_prompt(e, str, "ny") != 'y') {
391 return false;
392 }
393 }
394
395 23 bool allow_quit = has_flag(a, 'q');
396
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23 if (allow_quit && e->buffers.count == 1 && e->root_frame->frames.count <= 1) {
397 e->status = EDITOR_EXIT_OK;
398 return true;
399 }
400
401 23 bool allow_wclose = has_flag(a, 'w');
402
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23 if (allow_wclose && e->window->views.count <= 1) {
403 window_close(e->window);
404 return true;
405 }
406
407 23 window_close_current_view(e->window);
408 23 set_view(e->window->view);
409 23 return true;
410 }
411
412 static bool cmd_command(EditorState *e, const CommandArgs *a)
413 {
414 const char *text = a->args[0];
415 push_input_mode(e, e->command_mode);
416 if (text) {
417 cmdline_set_text(&e->cmdline, text);
418 }
419 return true;
420 }
421
422 1 static bool cmd_compile(EditorState *e, const CommandArgs *a)
423 {
424 1 Compiler *compiler = find_compiler(&e->compilers, a->args[0]);
425
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1 if (unlikely(!compiler)) {
426 1 return error_msg(&e->err, "No such error parser %s", a->args[0]);
427 }
428
429 bool quiet = has_flag(a, 's');
430 if ((e->flags & EFLAG_HEADLESS) && !quiet) {
431 LOG_INFO("automatically added -s flag to compile command (headless mode)");
432 quiet = true;
433 }
434
435 SpawnContext ctx = {
436 .argv = (const char **)a->args + 1,
437 .ebuf = &e->err,
438 .quiet = quiet,
439 };
440
441 MessageArray *messages = &e->messages;
442 clear_messages(messages);
443
444 yield_terminal(e, quiet);
445 bool prompt = has_flag(a, 'p');
446 bool read_stdout = has_flag(a, '1');
447 bool spawned = spawn_compiler(&ctx, compiler, messages, read_stdout);
448 resume_terminal(e, quiet, spawned && prompt);
449
450 activate_current_message_save(messages, &e->bookmarks, e->view);
451 return spawned;
452 }
453
454 4 static bool cmd_copy(EditorState *e, const CommandArgs *a)
455 {
456 4 const char *text = a->args[0];
457 4 Terminal *term = &e->terminal;
458 4 bool clipboard = has_flag(a, 'b');
459 4 bool primary = has_flag(a, 'p');
460
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4 bool internal = has_flag(a, 'i') || !(clipboard || primary);
461 bool osc52 = (clipboard || primary) && term->features & TFLAG_OSC52_COPY;
462
463
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4 if (text) {
464 size_t len = strlen(text);
465 if (internal) {
466 record_copy(&e->clipboard, xstrdup(text), len, false);
467 }
468 if (osc52) {
469 if (!term_osc52_copy(&term->obuf, text, len, clipboard, primary)) {
470 error_msg_errno(&e->err, "OSC 52 copy failed");
471 }
472 }
473 return true;
474 }
475
476 4 const View *view = e->view;
477 4 BlockIter bi;
478 4 size_t size;
479 4 bool line_copy;
480
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4 if (view->selection) {
481 SelectionInfo info = init_selection(view);
482 size = info.eo - info.so;
483 bi = info.si;
484 line_copy = (view->selection == SELECT_LINES);
485 } else {
486 4 bi = view->cursor;
487 4 block_iter_bol(&bi);
488 4 BlockIter tmp = bi;
489 4 size = block_iter_eat_line(&tmp);
490 4 line_copy = true;
491 }
492
493
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4 if (unlikely(size == 0)) {
494 return true;
495 }
496
497 4 char *buf = block_iter_get_bytes(&bi, size);
498
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4 if (osc52) {
499 if (!term_osc52_copy(&term->obuf, buf, size, clipboard, primary)) {
500 error_msg_errno(&e->err, "OSC 52 copy failed");
501 }
502 }
503
504
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4 if (internal) {
505 // Clipboard takes ownership of `buf`
506 4 record_copy(&e->clipboard, buf, size, line_copy);
507 } else {
508 free(buf);
509 }
510
511 // TODO: return false if term_osc52_copy() failed?
512
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8 return has_flag(a, 'k') || unselect(e->view);
513 }
514
515 3 static bool cmd_cursor(EditorState *e, const CommandArgs *a)
516 {
517
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3 if (unlikely(a->nr_args == 0)) {
518 // Reset all cursor styles
519 for (CursorInputMode m = 0; m < ARRAYLEN(e->cursor_styles); m++) {
520 e->cursor_styles[m] = get_default_cursor_style(m);
521 }
522 e->screen_update |= UPDATE_CURSOR_STYLE;
523 return true;
524 }
525
526 3 CursorInputMode mode = cursor_mode_from_str(a->args[0]);
527
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3 if (unlikely(mode >= NR_CURSOR_MODES)) {
528 1 return error_msg(&e->err, "invalid mode argument: %s", a->args[0]);
529 }
530
531 2 TermCursorStyle style = get_default_cursor_style(mode);
532
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2 if (a->nr_args >= 2) {
533 2 style.type = cursor_type_from_str(a->args[1]);
534
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2 if (unlikely(style.type == CURSOR_INVALID)) {
535 1 return error_msg(&e->err, "invalid cursor type: %s", a->args[1]);
536 }
537 }
538
539
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1 if (a->nr_args >= 3) {
540 1 style.color = cursor_color_from_str(a->args[2]);
541
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1 if (unlikely(style.color == COLOR_INVALID)) {
542 1 return error_msg(&e->err, "invalid cursor color: %s", a->args[2]);
543 }
544 }
545
546 e->cursor_styles[mode] = style;
547 e->screen_update |= UPDATE_CURSOR_STYLE;
548 return true;
549 }
550
551 2 static bool cmd_cut(EditorState *e, const CommandArgs *a)
552 {
553 2 BUG_ON(a->nr_args);
554 2 View *view = e->view;
555 2 long preferred_x = view_get_preferred_x(view);
556 2 size_t size;
557 2 bool line_copy;
558
559
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2 if (view->selection) {
560 1 line_copy = (view->selection == SELECT_LINES);
561 1 size = prepare_selection(view);
562 1 unselect(view);
563 } else {
564 1 line_copy = true;
565 1 block_iter_bol(&view->cursor);
566 1 BlockIter tmp = view->cursor;
567 1 size = block_iter_eat_line(&tmp);
568 }
569
570
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2 if (size == 0) {
571 return true;
572 }
573
574 2 char *buf = block_iter_get_bytes(&view->cursor, size);
575 2 record_copy(&e->clipboard, buf, size, line_copy);
576 2 buffer_delete_bytes(view, size);
577
578
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2 if (line_copy) {
579 1 move_to_preferred_x(view, preferred_x);
580 }
581
582 return true;
583 }
584
585 9 static bool cmd_def_mode(EditorState *e, const CommandArgs *a)
586 {
587 9 const char *name = a->args[0];
588
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9 if (name[0] == '\0' || name[0] == '-' ) {
589 2 return error_msg(&e->err, "mode name can't be empty or start with '-'");
590 }
591
592 7 HashMap *modes = &e->modes;
593
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7 if (hashmap_get(modes, name)) {
594 4 return error_msg(&e->err, "mode '%s' already exists", name);
595 }
596
597 3 PointerArray ftmodes = PTR_ARRAY_INIT;
598
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3 for (size_t i = 1, n = a->nr_args; i < n; i++) {
599 2 const char *ftname = a->args[i];
600 2 ModeHandler *mode = get_mode_handler(modes, ftname);
601
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2 if (unlikely(!mode)) {
602 1 ptr_array_free_array(&ftmodes);
603 1 return error_msg(&e->err, "unknown fallthrough mode '%s'", ftname);
604 }
605
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1 if (unlikely(mode->cmds != &normal_commands)) {
606 // TODO: Support "command" and "search" as fallback modes?
607 // If implemented, all involved modes need to use the same
608 // `CommandSet`.
609 1 ptr_array_free_array(&ftmodes);
610 1 return error_msg(&e->err, "unable to use '%s' as fall-through mode", ftname);
611 }
612 ptr_array_append(&ftmodes, mode);
613 }
614
615 1 static const FlagMapping map[] = {
616 {'u', MHF_NO_TEXT_INSERTION},
617 {'U', MHF_NO_TEXT_INSERTION | MHF_NO_TEXT_INSERTION_RECURSIVE},
618 };
619
620 1 ModeHandler *mode = new_mode(modes, xstrdup(name), &normal_commands);
621 1 mode->flags = cmdargs_convert_flags(a, map, ARRAYLEN(map));
622 1 mode->fallthrough_modes = ftmodes;
623 1 return true;
624 }
625
626 9 static bool cmd_delete(EditorState *e, const CommandArgs *a)
627 {
628 9 BUG_ON(a->nr_args);
629 9 delete_ch(e->view);
630 9 return true;
631 }
632
633 2 static bool cmd_delete_eol(EditorState *e, const CommandArgs *a)
634 {
635 2 View *view = e->view;
636
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2 if (view->selection) {
637 // TODO: return false?
638 return true;
639 }
640
641 2 bool delete_newline_if_at_eol = has_flag(a, 'n');
642 2 BlockIter bi = view->cursor;
643
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2 if (delete_newline_if_at_eol) {
644 CodePoint ch;
645 if (block_iter_get_char(&view->cursor, &ch) == 1 && ch == '\n') {
646 delete_ch(view);
647 return true;
648 }
649 }
650
651 2 buffer_delete_bytes(view, block_iter_eol(&bi));
652 2 return true;
653 }
654
655 static bool cmd_delete_line(EditorState *e, const CommandArgs *a)
656 {
657 BUG_ON(a->nr_args);
658 View *view = e->view;
659 long x = view_get_preferred_x(view);
660 bool whole_lines = true;
661 size_t del_count;
662
663 if (view->selection) {
664 whole_lines = !has_flag(a, 'S');
665 view->selection = whole_lines ? SELECT_LINES : view->selection;
666 del_count = prepare_selection(view);
667 unselect(view);
668 } else {
669 block_iter_bol(&view->cursor);
670 BlockIter tmp = view->cursor;
671 del_count = block_iter_eat_line(&tmp);
672 }
673
674 buffer_delete_bytes(view, del_count);
675 if (whole_lines) {
676 move_to_preferred_x(view, x);
677 }
678
679 return true;
680 }
681
682 1 static bool cmd_delete_word(EditorState *e, const CommandArgs *a)
683 {
684 1 bool skip_non_word = has_flag(a, 's');
685 1 BlockIter bi = e->view->cursor;
686 1 buffer_delete_bytes(e->view, word_fwd(&bi, skip_non_word));
687 1 return true;
688 }
689
690 11 static bool cmd_down(EditorState *e, const CommandArgs *a)
691 {
692 11 handle_selection_flags(e->view, a);
693 11 move_down(e->view, 1);
694 11 return true;
695 }
696
697 6 static bool cmd_eof(EditorState *e, const CommandArgs *a)
698 {
699 6 handle_selection_flags(e->view, a);
700 6 move_eof(e->view);
701 6 return true;
702 }
703
704 6 static bool cmd_eol(EditorState *e, const CommandArgs *a)
705 {
706 6 handle_selection_flags(e->view, a);
707 6 move_eol(e->view);
708 6 return true;
709 }
710
711 1 static bool cmd_eolsf(EditorState *e, const CommandArgs *a)
712 {
713 1 BUG_ON(a->nr_args);
714 1 View *view = e->view;
715 1 handle_selection_flags(view, a);
716
717
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1 if (!block_iter_eol(&view->cursor)) {
718 1 Window *window = e->window;
719 1 long margin = window_get_scroll_margin(window);
720 1 long bottom = view->vy + window->edit_h - 1 - margin;
721
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1 if (view->cy < bottom) {
722 move_down(view, bottom - view->cy);
723 } else {
724 1 block_iter_eof(&view->cursor);
725 }
726 }
727
728 1 view_reset_preferred_x(view);
729 1 return true;
730 }
731
732 6 static bool cmd_erase(EditorState *e, const CommandArgs *a)
733 {
734 6 BUG_ON(a->nr_args);
735 6 erase(e->view);
736 6 return true;
737 }
738
739 1 static bool cmd_erase_bol(EditorState *e, const CommandArgs *a)
740 {
741 1 BUG_ON(a->nr_args);
742 1 buffer_erase_bytes(e->view, block_iter_bol(&e->view->cursor));
743 1 return true;
744 }
745
746 2 static bool cmd_erase_word(EditorState *e, const CommandArgs *a)
747 {
748 2 View *view = e->view;
749 2 bool skip_non_word = has_flag(a, 's');
750 2 buffer_erase_bytes(view, word_bwd(&view->cursor, skip_non_word));
751 2 return true;
752 }
753
754 212 static bool cmd_errorfmt(EditorState *e, const CommandArgs *a)
755 {
756 212 BUG_ON(a->nr_args == 0 || a->nr_args > 2 + ERRORFMT_CAPTURE_MAX);
757 212 const char *name = a->args[0];
758
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212 if (a->nr_args == 1) {
759 21 remove_compiler(&e->compilers, name);
760 21 return true;
761 }
762
763 191 static_assert(NR_ERRFMT_INDICES == 4);
764 191 size_t max_idx = 0;
765 191 int8_t indices[NR_ERRFMT_INDICES] = {
766 [ERRFMT_FILE] = -1,
767 [ERRFMT_LINE] = -1,
768 [ERRFMT_COLUMN] = -1,
769 [ERRFMT_MESSAGE] = 0,
770 };
771
772
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417 for (size_t i = 0, n = a->nr_args - 2; i < n; i++) {
773 227 char *cap_name = a->args[i + 2];
774
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227 if (streq(cap_name, "_")) {
775 continue;
776 }
777 227 ssize_t cap_idx = errorfmt_capture_name_to_index(cap_name);
778
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227 if (unlikely(cap_idx < 0)) {
779 1 return error_msg(&e->err, "unknown substring name %s", cap_name);
780 }
781 226 max_idx = i + 1;
782 226 indices[cap_idx] = max_idx;
783 }
784
785
786 190 const char *pattern = a->args[1];
787 190 regex_t re;
788
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190 if (unlikely(!regexp_compile(&e->err, &re, pattern, 0))) {
789 return false;
790 }
791
792
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190 if (unlikely(max_idx > re.re_nsub)) {
793 1 regfree(&re);
794 1 return error_msg(&e->err, "invalid substring count");
795 }
796
797 189 bool ignore = has_flag(a, 'i');
798 189 add_error_fmt(&e->compilers, name, pattern, &re, indices, ignore);
799 189 return true;
800 }
801
802 18 static bool cmd_exec(EditorState *e, const CommandArgs *a)
803 {
804 18 ExecAction actions[3] = {EXEC_TTY, EXEC_TTY, EXEC_TTY};
805 18 ExecFlags exec_flags = 0;
806 18 bool lflag = false;
807 18 bool move_after_insert = false;
808
809
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51 for (size_t i = 0, n = a->nr_flags, argidx = 0, fd; i < n; i++) {
810
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36 switch (a->flags[i]) {
811 case 'e': fd = STDERR_FILENO; break;
812 4 case 'i': fd = STDIN_FILENO; break;
813 6 case 'o': fd = STDOUT_FILENO; break;
814 case 'p': exec_flags |= EXECFLAG_PROMPT; continue;
815 18 case 's': exec_flags |= EXECFLAG_QUIET; continue;
816 case 't': exec_flags &= ~EXECFLAG_QUIET; continue;
817 case 'l': lflag = true; continue;
818 case 'm': move_after_insert = true; continue;
819 case 'n': exec_flags |= EXECFLAG_STRIP_NL; continue;
820 default: BUG("unexpected flag"); return false;
821 }
822 18 const char *action_name = a->args[argidx++];
823 18 ExecAction action = lookup_exec_action(action_name, fd);
824
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18 if (unlikely(action == EXEC_INVALID)) {
825 3 return error_msg(&e->err, "invalid action for -%c: '%s'", a->flags[i], action_name);
826 }
827 15 actions[fd] = action;
828 }
829
830
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15 if (lflag && actions[STDIN_FILENO] == EXEC_BUFFER) {
831 // For compat. with old "filter" and "pipe-to" commands
832 actions[STDIN_FILENO] = EXEC_LINE;
833 }
834
835
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15 if ((e->flags & EFLAG_HEADLESS) && !(exec_flags & EXECFLAG_QUIET)) {
836 LOG_INFO("automatically added -s flag to exec command (headless mode)");
837 exec_flags |= EXECFLAG_QUIET;
838 }
839
840 15 const char **argv = (const char **)a->args + a->nr_flag_args;
841 15 ssize_t outlen = handle_exec(e, argv, actions, exec_flags);
842
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15 if (outlen <= 0) {
843 10 return outlen == 0;
844 }
845
846
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5 if (move_after_insert && actions[STDOUT_FILENO] == EXEC_BUFFER) {
847 block_iter_skip_bytes(&e->view->cursor, outlen);
848 }
849 return true;
850 }
851
852 16 static bool cmd_ft(EditorState *e, const CommandArgs *a)
853 {
854 16 ErrorBuffer *ebuf = &e->err;
855 16 char **args = a->args;
856 16 const char *filetype = args[0];
857
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16 if (unlikely(!is_valid_filetype_name(filetype))) {
858 1 return error_msg(ebuf, "Invalid filetype name: '%s'", filetype);
859 }
860
861 15 FileDetectionType dt = FT_EXTENSION;
862
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15 switch (last_flag(a)) {
863 case 'b': dt = FT_BASENAME; break;
864 case 'c': dt = FT_CONTENT; break;
865 14 case 'f': dt = FT_FILENAME; break;
866 case 'i': dt = FT_INTERPRETER; break;
867 }
868
869 15 PointerArray *filetypes = &e->filetypes;
870 15 size_t nfailed = 0;
871
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30 for (size_t i = 1, n = a->nr_args; i < n; i++) {
872
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15 if (!add_filetype(filetypes, filetype, args[i], dt, ebuf)) {
873 nfailed++;
874 }
875 }
876
877 15 return nfailed == 0;
878 }
879
880 648 static bool cmd_hi(EditorState *e, const CommandArgs *a)
881 {
882
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648 if (unlikely(a->nr_args == 0)) {
883 7 exec_builtin_color_reset(e);
884 7 goto update;
885 }
886
887 641 char **strs = a->args + 1;
888 641 size_t strs_len = a->nr_args - 1;
889 641 TermStyle style;
890 641 ssize_t n = parse_term_style(&style, strs, strs_len);
891
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641 if (unlikely(n != strs_len)) {
892
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2 if (n < 0) {
893 1 return error_msg(&e->err, "too many colors");
894 }
895 1 BUG_ON(n > strs_len);
896 1 return error_msg(&e->err, "invalid color or attribute: '%s'", strs[n]);
897 }
898
899 639 TermFeatureFlags features = e->terminal.features;
900 639 bool true_color = !!(features & TFLAG_TRUE_COLOR);
901
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639 bool optimize = (true_color && e->options.optimize_true_color);
902 639 int32_t fg = color_to_nearest(style.fg, features, optimize);
903 639 int32_t bg = color_to_nearest(style.bg, features, optimize);
904
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639 if (!true_color && has_flag(a, 'c') && (fg != style.fg || bg != style.bg)) {
905 return true;
906 }
907
908 491 style.fg = fg;
909 491 style.bg = bg;
910 491 set_highlight_style(&e->styles, a->args[0], &style);
911
912 498 update:
913 // Don't call update_all_syntax_styles() needlessly; it's called
914 // right after config has been loaded
915
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498 if (e->status != EDITOR_INITIALIZING) {
916 update_all_syntax_styles(&e->syntaxes, &e->styles);
917 e->screen_update |= UPDATE_ALL_WINDOWS;
918 }
919
920 return true;
921 }
922
923 96 static bool cmd_include(EditorState *e, const CommandArgs *a)
924 {
925 96 ConfigFlags flags = has_flag(a, 'q') ? CFG_NOFLAGS : CFG_MUST_EXIST;
926
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96 if (has_flag(a, 'b')) {
927 29 flags |= CFG_BUILTIN;
928 }
929
930 96 int err = read_normal_config(e, a->args[0], flags);
931 // TODO: Clean up read_normal_config() so this can be simplified to `err == 0`
932
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96 return err == 0 || (err == ENOENT && !(flags & CFG_MUST_EXIST));
933 }
934
935 84 static bool cmd_insert(EditorState *e, const CommandArgs *a)
936 {
937 84 const char *str = a->args[0];
938
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84 if (has_flag(a, 'k')) {
939
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162 for (size_t i = 0; str[i]; i++) {
940 142 insert_ch(e->view, str[i]);
941 }
942 return true;
943 }
944
945 64 bool move_after = has_flag(a, 'm');
946 64 insert_text(e->view, str, strlen(str), move_after);
947 64 return true;
948 }
949
950 16 static bool cmd_join(EditorState *e, const CommandArgs *a)
951 {
952
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16 const char *delim = a->args[0] ? a->args[0] : " ";
953 16 join_lines(e->view, delim, strlen(delim));
954 16 return true;
955 }
956
957 16 static bool cmd_left(EditorState *e, const CommandArgs *a)
958 {
959 16 handle_selection_flags(e->view, a);
960 16 move_cursor_left(e->view);
961 16 return true;
962 }
963
964 4 static bool cmd_line(EditorState *e, const CommandArgs *a)
965 {
966 4 const char *str = a->args[0];
967 4 size_t line, column;
968
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4 if (unlikely(!str_to_xfilepos(str, &line, &column))) {
969 3 return error_msg(&e->err, "Invalid line number: %s", str);
970 }
971
972 1 View *view = e->view;
973 1 long x = view_get_preferred_x(view);
974 1 handle_selection_flags(view, a);
975
976
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1 if (column >= 1) {
977 // Column was specified; move to exact position
978 move_to_filepos(view, line, column);
979 } else {
980 // Column was omitted; move to line while preserving current column
981 1 move_to_line(view, line);
982 1 move_to_preferred_x(view, x);
983 }
984
985 return true;
986 }
987
988 2 static bool cmd_macro(EditorState *e, const CommandArgs *a)
989 {
990 2 MacroRecorder *m = &e->macro;
991 2 const char *action = a->args[0];
992
993
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2 if (streq(action, "play") || streq(action, "run")) {
994
2/2
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10 for (size_t i = 0, n = m->macro.count; i < n; i++) {
995 9 const char *cmd_str = m->macro.ptrs[i];
996
1/2
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9 if (!handle_normal_command(e, cmd_str, false)) {
997 return false;
998 }
999 }
1000 return true;
1001 }
1002
1003
1/2
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1 if (streq(action, "toggle")) {
1004 action = m->recording ? "stop" : "record";
1005 }
1006
1007
1/2
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✓ Branch 1 (12→17) taken 1 times.
1 if (streq(action, "record")) {
1008 bool r = macro_record(m);
1009 return info_msg(&e->err, "%s", r ? "Recording macro" : "Already recording");
1010 }
1011
1012
1/2
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✓ Branch 1 (17→24) taken 1 times.
1 if (streq(action, "stop")) {
1013 if (!macro_stop(m)) {
1014 return info_msg(&e->err, "Not recording");
1015 }
1016 size_t count = m->macro.count;
1017 const char *plural = (count != 1) ? "s" : "";
1018 return info_msg(&e->err, "Macro recording stopped; %zu command%s saved", count, plural);
1019 }
1020
1021
1/2
✗ Branch 0 (24→25) not taken.
✓ Branch 1 (24→29) taken 1 times.
1 if (streq(action, "cancel")) {
1022 bool r = macro_cancel(m);
1023 return info_msg(&e->err, "%s", r ? "Macro recording cancelled" : "Not recording");
1024 }
1025
1026 1 return error_msg(&e->err, "Unknown action '%s'", action);
1027 }
1028
1029 5 static bool cmd_match_bracket(EditorState *e, const CommandArgs *a)
1030 {
1031 5 BUG_ON(a->nr_args);
1032 5 View *view = e->view;
1033 5 CodePoint cursor_char;
1034
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5 if (!block_iter_get_char(&view->cursor, &cursor_char)) {
1035 1 return error_msg(&e->err, "No character under cursor");
1036 }
1037
1038 4 CodePoint target = cursor_char;
1039 4 BlockIter bi = view->cursor;
1040 4 size_t level = 0;
1041 4 CodePoint u = 0;
1042
1043
4/5
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4 switch (cursor_char) {
1044 1 case '<':
1045 case '[':
1046 case '{':
1047 1 target++;
1048 // Fallthrough
1049 2 case '(':
1050 2 target++;
1051 2 goto search_fwd;
1052 1 case '>':
1053 case ']':
1054 case '}':
1055 1 target--;
1056 // Fallthrough
1057 1 case ')':
1058 1 target--;
1059 1 goto search_bwd;
1060 1 default:
1061 1 return error_msg(&e->err, "Character under cursor not matchable");
1062 }
1063
1064 2 search_fwd:
1065 2 block_iter_next_char(&bi, &u);
1066 2 BUG_ON(u != cursor_char);
1067
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47 while (block_iter_next_char(&bi, &u)) {
1068
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46 if (u == target) {
1069
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✓ Branch 0 (16→17) taken 1 times.
✓ Branch 1 (16→19) taken 1 times.
2 if (level == 0) {
1070 1 block_iter_prev_char(&bi, &u);
1071 1 goto found;
1072 }
1073 1 level--;
1074
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✓ Branch 0 (20→21) taken 1 times.
✓ Branch 1 (20→22) taken 43 times.
44 } else if (u == cursor_char) {
1075 1 level++;
1076 }
1077 }
1078 1 goto not_found;
1079
1080 1 search_bwd:
1081
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✓ Branch 0 (34→26) taken 38 times.
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38 while (block_iter_prev_char(&bi, &u)) {
1082
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✓ Branch 1 (26→30) taken 37 times.
38 if (u == target) {
1083
1/2
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✗ Branch 1 (27→29) not taken.
1 if (level == 0) {
1084 1 goto found;
1085 }
1086 level--;
1087
1/2
✗ Branch 0 (30→31) not taken.
✓ Branch 1 (30→32) taken 37 times.
37 } else if (u == cursor_char) {
1088 level++;
1089 }
1090 }
1091
1092 not_found:
1093 1 return error_msg(&e->err, "No matching bracket found");
1094
1095 2 found:
1096 2 handle_selection_flags(view, a);
1097 2 view->cursor = bi;
1098 2 return true;
1099 }
1100
1101 1 static bool cmd_mode(EditorState *e, const CommandArgs *a)
1102 {
1103 1 const char *name = a->args[0];
1104 1 ModeHandler *handler = get_mode_handler(&e->modes, name);
1105
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✓ Branch 0 (3→4) taken 1 times.
✗ Branch 1 (3→5) not taken.
1 if (!handler) {
1106 1 return error_msg(&e->err, "unknown mode '%s'", name);
1107 }
1108
1109 push_input_mode(e, handler);
1110 return true;
1111 }
1112
1113 11 static bool cmd_move_tab(EditorState *e, const CommandArgs *a)
1114 {
1115 11 Window *window = e->window;
1116 11 const size_t ntabs = window->views.count;
1117 11 const char *str = a->args[0];
1118 11 size_t to, from = ptr_array_xindex(&window->views, e->view);
1119
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11 if (streq(str, "left")) {
1120 6 to = size_decrement_wrapped(from, ntabs);
1121
2/2
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✓ Branch 1 (6→9) taken 2 times.
5 } else if (streq(str, "right")) {
1122 3 to = size_increment_wrapped(from, ntabs);
1123 } else {
1124
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✓ Branch 2 (11→12) taken 1 times.
✓ Branch 3 (11→13) taken 1 times.
2 if (!str_to_size(str, &to) || to == 0) {
1125 1 return error_msg(&e->err, "Invalid tab position %s", str);
1126 }
1127 1 to = MIN(to, ntabs) - 1;
1128 }
1129 10 ptr_array_move(&window->views, from, to);
1130 10 window->update_tabbar = true;
1131 10 return true;
1132 }
1133
1134 3 static bool cmd_msg(EditorState *e, const CommandArgs *a)
1135 {
1136 3 const char *str = a->args[0];
1137 3 CommandFlagSet np = cmdargs_flagset_from_str("np");
1138
2/2
✓ Branch 0 (3→4) taken 2 times.
✓ Branch 1 (3→5) taken 1 times.
3 if (u64_popcount(a->flag_set & np) + !!str >= 2) {
1139 2 return error_msg(&e->err, "flags [-n|-p] and [number] argument are mutually exclusive");
1140 }
1141
1142 1 MessageArray *msgs = &e->messages;
1143 1 size_t count = msgs->array.count;
1144
1/2
✗ Branch 0 (5→6) not taken.
✓ Branch 1 (5→21) taken 1 times.
1 if (count == 0) {
1145 return true;
1146 }
1147
1148 size_t p = msgs->pos;
1149 BUG_ON(p >= count);
1150 if (has_flag(a, 'n')) {
1151 p = MIN(p + 1, count - 1);
1152 } else if (has_flag(a, 'p')) {
1153 p -= (p > 0);
1154 } else if (str) {
1155 if (!str_to_size(str, &p) || p == 0) {
1156 return error_msg(&e->err, "invalid message index: %s", str);
1157 }
1158 p = MIN(p - 1, count - 1);
1159 }
1160
1161 msgs->pos = p;
1162 return activate_current_message(msgs, e->window);
1163 }
1164
1165 8 static bool cmd_new_line(EditorState *e, const CommandArgs *a)
1166 {
1167 8 char iflag = cmdargs_pick_winning_flag(a, "iI");
1168
1/2
✗ Branch 0 (3→4) not taken.
✓ Branch 1 (3→5) taken 8 times.
8 bool auto_indent = iflag ? (iflag == 'i') : e->buffer->options.auto_indent;
1169 8 bool above_cursor = has_flag(a, 'a');
1170 8 new_line(e->view, auto_indent, above_cursor);
1171 8 return true;
1172 }
1173
1174 1 static bool cmd_next(EditorState *e, const CommandArgs *a)
1175 {
1176 1 BUG_ON(a->nr_args);
1177 1 const PointerArray *views = &e->window->views;
1178 1 size_t current = ptr_array_xindex(views, e->view);
1179 1 size_t next = size_increment_wrapped(current, views->count);
1180 1 set_view(views->ptrs[next]);
1181 1 return true;
1182 }
1183
1184 1 static bool xglob(ErrorBuffer *ebuf, char **args, glob_t *globbuf)
1185 {
1186 1 BUG_ON(!args);
1187 1 BUG_ON(!args[0]);
1188 1 int err = glob(*args, GLOB_NOCHECK, NULL, globbuf);
1189
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✓ Branch 3 (10→11) taken 1 times.
1 while (err == 0 && *++args) {
1190 err = glob(*args, GLOB_NOCHECK | GLOB_APPEND, NULL, globbuf);
1191 }
1192
1193
1/2
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✗ Branch 1 (11→18) not taken.
1 if (likely(err == 0)) {
1194 1 BUG_ON(globbuf->gl_pathc == 0);
1195 1 BUG_ON(!globbuf->gl_pathv);
1196 1 BUG_ON(!globbuf->gl_pathv[0]);
1197 return true;
1198 }
1199
1200 BUG_ON(err == GLOB_NOMATCH);
1201 globfree(globbuf);
1202 return error_msg(ebuf, "glob: %s", (err == GLOB_NOSPACE) ? strerror(ENOMEM) : "failed");
1203 }
1204
1205 47 static bool cmd_open(EditorState *e, const CommandArgs *a)
1206 {
1207 47 bool temporary = has_flag(a, 't');
1208
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✓ Branch 1 (3→6) taken 46 times.
✓ Branch 2 (4→5) taken 1 times.
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47 if (unlikely(temporary && a->nr_args > 0)) {
1209 1 return error_msg(&e->err, "'open -t' can't be used with filename arguments");
1210 }
1211
1212 46 const char *requested_encoding = NULL;
1213 46 char **args = a->args;
1214
2/2
✓ Branch 0 (6→7) taken 3 times.
✓ Branch 1 (6→21) taken 43 times.
46 if (unlikely(a->nr_flag_args > 0)) {
1215 // The "-e" flag is the only one that takes an argument, so the
1216 // above condition implies it was used
1217 3 BUG_ON(!has_flag(a, 'e'));
1218 3 requested_encoding = args[a->nr_flag_args - 1];
1219 3 args += a->nr_flag_args;
1220 }
1221
1222 3 const char *encoding = NULL; // (Auto-detect)
1223
1/2
✓ Branch 0 (10→11) taken 3 times.
✗ Branch 1 (10→21) not taken.
3 if (requested_encoding) {
1224 3 EncodingType enctype = lookup_encoding(requested_encoding);
1225
1/2
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✗ Branch 1 (12→14) not taken.
3 if (enctype == UTF8) {
1226 3 encoding = encoding_from_type(UTF8);
1227 } else if (conversion_supported_by_iconv(requested_encoding, "UTF-8")) {
1228 encoding = encoding_normalize(requested_encoding);
1229 } else {
1230 if (errno == EINVAL) {
1231 return error_msg(&e->err, "Unsupported encoding '%s'", requested_encoding);
1232 }
1233 return error_msg (
1234 &e->err,
1235 "iconv conversion from '%s' failed: %s",
1236 requested_encoding,
1237 strerror(errno)
1238 );
1239 }
1240 }
1241
1242 46 Window *window = e->window;
1243
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✓ Branch 0 (21→22) taken 41 times.
✓ Branch 1 (21→26) taken 5 times.
46 if (a->nr_args == 0) {
1244 41 View *view = window_open_new_file(window);
1245 41 view->buffer->temporary = temporary;
1246
2/2
✓ Branch 0 (23→24) taken 3 times.
✓ Branch 1 (23→25) taken 38 times.
41 if (requested_encoding) {
1247 3 buffer_set_encoding(view->buffer, encoding, e->options.utf8_bom);
1248 }
1249 41 return true;
1250 }
1251
1252 5 char **paths = args;
1253 5 glob_t globbuf;
1254 5 bool use_glob = has_flag(a, 'g');
1255
2/2
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✓ Branch 1 (27→31) taken 4 times.
5 if (use_glob) {
1256
1/2
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✗ Branch 1 (29→35) not taken.
1 if (!xglob(&e->err, args, &globbuf)) {
1257 return false;
1258 }
1259 1 paths = globbuf.gl_pathv;
1260 }
1261
1262 5 View *first_opened = window_open_files(window, paths, encoding);
1263
1264
2/2
✓ Branch 0 (32→33) taken 1 times.
✓ Branch 1 (32→34) taken 4 times.
5 if (use_glob) {
1265 1 globfree(&globbuf);
1266 }
1267
1268 5 return !!first_opened;
1269 }
1270
1271 110 static bool cmd_option(EditorState *e, const CommandArgs *a)
1272 {
1273 110 BUG_ON(a->nr_args < 3);
1274 110 const char *arg0 = a->args[0];
1275 110 char **strs = a->args + 1;
1276 110 size_t nstrs = a->nr_args - 1;
1277
2/2
✓ Branch 0 (4→5) taken 3 times.
✓ Branch 1 (4→6) taken 107 times.
110 if (unlikely(arg0[0] == '\0')) {
1278 3 return error_msg(&e->err, "first argument cannot be empty");
1279 }
1280
2/2
✓ Branch 0 (6→7) taken 1 times.
✓ Branch 1 (6→8) taken 106 times.
107 if (unlikely(nstrs & 1)) {
1281 1 return error_msg(&e->err, "missing option value");
1282 }
1283
2/2
✓ Branch 0 (9→10) taken 100 times.
✓ Branch 1 (9→28) taken 6 times.
106 if (unlikely(!validate_local_options(&e->err, strs))) {
1284 return false;
1285 }
1286
1287 100 PointerArray *opts = &e->file_options;
1288
2/2
✓ Branch 0 (11→12) taken 8 times.
✓ Branch 1 (11→17) taken 92 times.
100 if (has_flag(a, 'r')) {
1289 8 FileTypeOrFileName u = {.filename = regexp_intern(&e->err, arg0)};
1290
1/2
✓ Branch 0 (13→14) taken 8 times.
✗ Branch 1 (13→16) not taken.
8 if (unlikely(!u.filename)) {
1291 return false;
1292 }
1293 8 add_file_options(opts, FOPTS_FILENAME, u, strs, nstrs);
1294 8 return true;
1295 }
1296
1297 92 size_t errors = 0;
1298
2/2
✓ Branch 0 (26→18) taken 282 times.
✓ Branch 1 (26→27) taken 92 times.
374 for (size_t pos = 0, len = strlen(arg0); pos < len; ) {
1299 282 const StringView ft = get_delim(arg0, &pos, len, ',');
1300
2/2
✓ Branch 0 (19→20) taken 8 times.
✓ Branch 1 (19→22) taken 274 times.
282 if (unlikely(!is_valid_filetype_name_sv(&ft))) {
1301 8 error_msg(&e->err, "invalid filetype name: '%.*s'", (int)ft.length, ft.data);
1302 8 errors++;
1303 8 continue;
1304 }
1305 274 FileTypeOrFileName u = {.filetype = mem_intern(ft.data, ft.length)};
1306 274 add_file_options(opts, FOPTS_FILETYPE, u, strs, nstrs);
1307 }
1308
1309 92 return !errors;
1310 }
1311
1312 9 static bool cmd_blkdown(EditorState *e, const CommandArgs *a)
1313 {
1314 9 View *view = e->view;
1315 9 handle_selection_flags(view, a);
1316
1317 // If current line is blank, skip past consecutive blank lines
1318 9 StringView line = get_current_line(&view->cursor);
1319
2/2
✓ Branch 0 (4→7) taken 2 times.
✓ Branch 1 (4→11) taken 7 times.
9 if (strview_isblank(&line)) {
1320
1/2
✓ Branch 0 (8→5) taken 3 times.
✗ Branch 1 (8→11) not taken.
3 while (block_iter_next_line(&view->cursor)) {
1321 3 line = block_iter_get_line(&view->cursor);
1322
2/2
✓ Branch 0 (6→7) taken 1 times.
✓ Branch 1 (6→11) taken 2 times.
3 if (!strview_isblank(&line)) {
1323 break;
1324 }
1325 }
1326 }
1327
1328 // Skip past non-blank lines
1329
2/2
✓ Branch 0 (13→9) taken 21 times.
✓ Branch 1 (13→14) taken 4 times.
25 while (block_iter_next_line(&view->cursor)) {
1330 21 line = block_iter_get_line(&view->cursor);
1331
2/2
✓ Branch 0 (10→12) taken 16 times.
✓ Branch 1 (10→14) taken 5 times.
21 if (strview_isblank(&line)) {
1332 break;
1333 }
1334 }
1335
1336 // If we reach the last populated line in the buffer, move down one line
1337 9 BlockIter tmp = view->cursor;
1338 9 block_iter_eol(&tmp);
1339 9 block_iter_skip_bytes(&tmp, 1);
1340
2/2
✓ Branch 0 (16→17) taken 4 times.
✓ Branch 1 (16→18) taken 5 times.
9 if (block_iter_is_eof(&tmp)) {
1341 4 view->cursor = tmp;
1342 }
1343
1344 9 return true;
1345 }
1346
1347 4 static bool cmd_blkup(EditorState *e, const CommandArgs *a)
1348 {
1349 4 View *view = e->view;
1350 4 handle_selection_flags(view, a);
1351
1352 // If cursor is on the first line, just move to bol
1353
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✓ Branch 0 (3→4) taken 1 times.
✓ Branch 1 (3→6) taken 3 times.
4 if (view->cy == 0) {
1354 1 block_iter_bol(&view->cursor);
1355 1 return true;
1356 }
1357
1358 // If current line is blank, skip past consecutive blank lines
1359 3 StringView line = get_current_line(&view->cursor);
1360
2/2
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✓ Branch 1 (7→14) taken 2 times.
3 if (strview_isblank(&line)) {
1361
1/2
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✗ Branch 1 (11→14) not taken.
3 while (block_iter_prev_line(&view->cursor)) {
1362 3 line = block_iter_get_line(&view->cursor);
1363
2/2
✓ Branch 0 (9→10) taken 2 times.
✓ Branch 1 (9→14) taken 1 times.
3 if (!strview_isblank(&line)) {
1364 break;
1365 }
1366 }
1367 }
1368
1369 // Skip past non-blank lines
1370
2/2
✓ Branch 0 (16→12) taken 14 times.
✓ Branch 1 (16→17) taken 2 times.
16 while (block_iter_prev_line(&view->cursor)) {
1371 14 line = block_iter_get_line(&view->cursor);
1372
2/2
✓ Branch 0 (13→15) taken 13 times.
✓ Branch 1 (13→17) taken 1 times.
14 if (strview_isblank(&line)) {
1373 break;
1374 }
1375 }
1376
1377 return true;
1378 }
1379
1380 6 static bool cmd_paste(EditorState *e, const CommandArgs *a)
1381 {
1382 6 PasteLinesType type = PASTE_LINES_BELOW_CURSOR;
1383
2/3
✗ Branch 0 (3→4) not taken.
✓ Branch 1 (3→5) taken 2 times.
✓ Branch 2 (3→6) taken 4 times.
6 switch (cmdargs_pick_winning_flag(a, "ac")) {
1384 case 'a': type = PASTE_LINES_ABOVE_CURSOR; break;
1385 2 case 'c': type = PASTE_LINES_INLINE; break;
1386 }
1387
1388 6 bool move_after = has_flag(a, 'm');
1389 6 paste(&e->clipboard, e->view, type, move_after);
1390 6 return true;
1391 }
1392
1393 2 static bool cmd_pgdown(EditorState *e, const CommandArgs *a)
1394 {
1395 2 View *view = e->view;
1396 2 handle_selection_flags(view, a);
1397
1398 2 Window *window = e->window;
1399 2 long margin = window_get_scroll_margin(window);
1400 2 long bottom = view->vy + window->edit_h - 1 - margin;
1401 2 long count;
1402
1403
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✓ Branch 1 (4→6) taken 2 times.
2 if (view->cy < bottom) {
1404 count = bottom - view->cy;
1405 } else {
1406 2 count = window->edit_h - 1 - margin * 2;
1407 }
1408
1409 2 move_down(view, count);
1410 2 return true;
1411 }
1412
1413 1 static bool cmd_pgup(EditorState *e, const CommandArgs *a)
1414 {
1415 1 View *view = e->view;
1416 1 handle_selection_flags(view, a);
1417
1418 1 Window *window = e->window;
1419 1 long margin = window_get_scroll_margin(window);
1420 1 long top = view->vy + margin;
1421 1 long count;
1422
1423
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✗ Branch 1 (4→6) not taken.
1 if (view->cy > top) {
1424 1 count = view->cy - top;
1425 } else {
1426 count = window->edit_h - 1 - margin * 2;
1427 }
1428
1429 1 move_up(view, count);
1430 1 return true;
1431 }
1432
1433 1 static bool cmd_prev(EditorState *e, const CommandArgs *a)
1434 {
1435 1 BUG_ON(a->nr_args);
1436 1 const PointerArray *views = &e->window->views;
1437 1 size_t current = ptr_array_xindex(views, e->view);
1438 1 size_t prev = size_decrement_wrapped(current, views->count);
1439 1 set_view(views->ptrs[prev]);
1440 1 return true;
1441 }
1442
1443 3 static View *window_find_modified_view(Window *window)
1444 {
1445
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✓ Branch 1 (2→7) taken 3 times.
3 if (buffer_modified(window->view->buffer)) {
1446 return window->view;
1447 }
1448 for (size_t i = 0, n = window->views.count; i < n; i++) {
1449 View *view = window->views.ptrs[i];
1450 if (buffer_modified(view->buffer)) {
1451 return view;
1452 }
1453 }
1454 return NULL;
1455 }
1456
1457 5 static size_t count_modified_buffers(const PointerArray *buffers, View **first)
1458 {
1459 5 View *modified = NULL;
1460 5 size_t nr_modified = 0;
1461
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✓ Branch 1 (8→9) taken 5 times.
13 for (size_t i = 0, n = buffers->count; i < n; i++) {
1462 8 Buffer *buffer = buffers->ptrs[i];
1463
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✓ Branch 0 (3→4) taken 5 times.
✓ Branch 1 (3→5) taken 3 times.
8 if (!buffer_modified(buffer)) {
1464 5 continue;
1465 }
1466 3 nr_modified++;
1467
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3 if (!modified) {
1468 3 modified = buffer_get_first_view(buffer);
1469 }
1470 }
1471
1472 5 BUG_ON(nr_modified > 0 && !modified);
1473 5 *first = modified;
1474 5 return nr_modified;
1475 }
1476
1477 7 static bool cmd_quit(EditorState *e, const CommandArgs *a)
1478 {
1479 7 static const FlagMapping fmap[] = {
1480 {'C', EFLAG_CMD_HIST},
1481 {'S', EFLAG_SEARCH_HIST},
1482 {'F', EFLAG_FILE_HIST},
1483 {'H', EFLAG_ALL_HIST},
1484 };
1485
1486 7 int exit_code = EDITOR_EXIT_OK;
1487
2/2
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7 if (a->nr_args) {
1488
2/2
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✓ Branch 1 (4→6) taken 4 times.
5 if (!str_to_int(a->args[0], &exit_code)) {
1489 1 return error_msg(&e->err, "Not a valid integer argument: '%s'", a->args[0]);
1490 }
1491 4 int max = EDITOR_EXIT_MAX;
1492
3/4
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✓ Branch 3 (7→9) taken 3 times.
4 if (exit_code < 0 || exit_code > max) {
1493 1 return error_msg(&e->err, "Exit code should be between 0 and %d", max);
1494 }
1495 }
1496
1497 5 View *first_modified = NULL;
1498 5 size_t n = count_modified_buffers(&e->buffers, &first_modified);
1499
2/2
✓ Branch 0 (10→11) taken 2 times.
✓ Branch 1 (10→12) taken 3 times.
5 if (n == 0) {
1500 2 goto exit;
1501 }
1502
1503 3 BUG_ON(!first_modified);
1504
1/2
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3 const char *plural = (n > 1) ? "s" : "";
1505
1/2
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✓ Branch 1 (17→20) taken 3 times.
3 if (has_flag(a, 'f')) {
1506 LOG_INFO("force quitting with %zu modified buffer%s", n, plural);
1507 goto exit;
1508 }
1509
1510 // Activate a modified view (giving preference to the current view or
1511 // a view in the current window)
1512 3 View *view = window_find_modified_view(e->window);
1513
1/2
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3 set_view(view ? view : first_modified);
1514
1515
2/2
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✓ Branch 1 (24→26) taken 2 times.
3 if (!has_flag(a, 'p')) {
1516 1 return error_msg(&e->err, "Save modified files or run 'quit -f' to quit without saving");
1517 }
1518
1519
1/2
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✗ Branch 1 (26→28) not taken.
2 if (unlikely(e->flags & EFLAG_HEADLESS)) {
1520 2 return error_msg(&e->err, "-p flag unavailable in headless mode");
1521 }
1522
1523 char question[128];
1524 xsnprintf (
1525 question, sizeof question,
1526 "Quit without saving %zu modified buffer%s? [y/N]",
1527 n, plural
1528 );
1529
1530 if (dialog_prompt(e, question, "ny") != 'y') {
1531 return false;
1532 }
1533 LOG_INFO("quit prompt accepted with %zu modified buffer%s", n, plural);
1534
1535 2 exit:;
1536 2 EditorFlags histflags = cmdargs_convert_flags(a, fmap, ARRAYLEN(fmap));
1537 2 e->flags &= ~histflags;
1538 2 e->status = exit_code;
1539 2 return true;
1540 }
1541
1542 7 static bool cmd_redo(EditorState *e, const CommandArgs *a)
1543 {
1544 7 char *arg = a->args[0];
1545 7 unsigned long change_id = 0;
1546
2/2
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7 if (arg) {
1547
3/4
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6 if (!str_to_ulong(arg, &change_id) || change_id == 0) {
1548 1 return error_msg(&e->err, "Invalid change id: %s", arg);
1549 }
1550 }
1551
2/2
✓ Branch 0 (8→9) taken 3 times.
✓ Branch 1 (8→10) taken 3 times.
6 if (!redo(e->view, change_id)) {
1552 return false;
1553 }
1554
1555 3 return unselect(e->view);
1556 }
1557
1558 1 static bool cmd_refresh(EditorState *e, const CommandArgs *a)
1559 {
1560 1 BUG_ON(a->nr_args);
1561 1 e->screen_update |= UPDATE_ALL;
1562 1 return true;
1563 }
1564
1565 8 static bool repeat_insert(EditorState *e, const char *str, unsigned int count, bool move_after)
1566 {
1567 8 BUG_ON(count < 2);
1568 8 size_t str_len = strlen(str);
1569 8 size_t bufsize;
1570
1/2
✗ Branch 0 (5→6) not taken.
✓ Branch 1 (5→7) taken 8 times.
8 if (unlikely(size_multiply_overflows(count, str_len, &bufsize))) {
1571 return error_msg(&e->err, "Repeated insert would overflow");
1572 }
1573
1/2
✓ Branch 0 (7→8) taken 8 times.
✗ Branch 1 (7→29) not taken.
8 if (unlikely(bufsize == 0)) {
1574 return true;
1575 }
1576
1577 8 char *buf = malloc(bufsize);
1578
1/2
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✓ Branch 1 (8→10) taken 8 times.
8 if (unlikely(!buf)) {
1579 return error_msg_errno(&e->err, "malloc");
1580 }
1581
1582 8 char tmp[4096];
1583
2/2
✓ Branch 0 (10→11) taken 3 times.
✓ Branch 1 (10→13) taken 5 times.
8 if (str_len == 1) {
1584 3 memset(buf, str[0], bufsize);
1585 3 LOG_DEBUG("Optimized %u inserts of 1 byte into 1 memset()", count);
1586 3 goto insert;
1587
3/4
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✗ Branch 2 (14→16) not taken.
✓ Branch 3 (14→19) taken 1 times.
5 } else if (bufsize < 2 * sizeof(tmp) || str_len > sizeof(tmp) / 8) {
1588
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✓ Branch 1 (17→18) taken 4 times.
69 for (size_t i = 0; i < count; i++) {
1589 65 memcpy(buf + (i * str_len), str, str_len);
1590 }
1591 4 goto insert;
1592 }
1593
1594 1 size_t strs_per_tmp = sizeof(tmp) / str_len;
1595 1 size_t tmp_len = strs_per_tmp * str_len;
1596 1 size_t tmps_per_buf = bufsize / tmp_len;
1597 1 size_t remainder = bufsize % tmp_len;
1598
1599 // Create a block of text containing `strs_per_tmp` concatenated strs
1600
2/2
✓ Branch 0 (21→20) taken 1024 times.
✓ Branch 1 (21→23) taken 1 times.
1025 for (size_t i = 0; i < strs_per_tmp; i++) {
1601 1024 memcpy(tmp + (i * str_len), str, str_len);
1602 }
1603
1604 // Copy `tmps_per_buf` copies of `tmp` into `buf`
1605
2/2
✓ Branch 0 (23→22) taken 2 times.
✓ Branch 1 (23→24) taken 1 times.
3 for (size_t i = 0; i < tmps_per_buf; i++) {
1606 2 memcpy(buf + (i * tmp_len), tmp, tmp_len);
1607 }
1608
1609 // Copy the remainder into `buf` (if any)
1610
1/2
✓ Branch 0 (24→25) taken 1 times.
✗ Branch 1 (24→26) not taken.
1 if (remainder) {
1611 1 memcpy(buf + (tmps_per_buf * tmp_len), tmp, remainder);
1612 }
1613
1614 1 LOG_DEBUG (
1615 "Optimized %u inserts of %zu bytes into %zu inserts of %zu bytes",
1616 count, str_len,
1617 tmps_per_buf, tmp_len
1618 );
1619
1620 8 insert:
1621 8 insert_text(e->view, buf, bufsize, move_after);
1622 8 free(buf);
1623 8 return true;
1624 }
1625
1626 static bool cmd_reopen(EditorState *e, const CommandArgs* UNUSED_ARG(a))
1627 {
1628 for (const FileHistoryEntry *h = e->file_history.last; h; h = h->prev) {
1629 const char *path = h->filename;
1630 // The combination of walking the history and doing a linear search
1631 // (with find_buffer()) here makes this O(m*n) in the worst case,
1632 // although n (e->buffers.count) will typically be small and m
1633 // (e->file_history.entries.count) is bounded by FILEHIST_MAX_ENTRIES
1634 if (
1635 !find_buffer(&e->buffers, path) // Not already open in the editor
1636 && access(path, R_OK) == 0 // File exists and is readable
1637 && window_open_file(e->window, path, NULL) // Reopened successfully
1638 ) {
1639 return true;
1640 }
1641 }
1642
1643 return error_msg(&e->err, "no reopenable files in history");
1644 }
1645
1646 39 static bool cmd_repeat(EditorState *e, const CommandArgs *a)
1647 {
1648 39 ErrorBuffer *ebuf = &e->err;
1649 39 unsigned int count;
1650
2/2
✓ Branch 0 (3→4) taken 1 times.
✓ Branch 1 (3→5) taken 38 times.
39 if (unlikely(!str_to_uint(a->args[0], &count))) {
1651 1 return error_msg(ebuf, "Not a valid repeat count: %s", a->args[0]);
1652 }
1653
2/2
✓ Branch 0 (5→6) taken 36 times.
✓ Branch 1 (5→20) taken 2 times.
38 if (unlikely(count == 0)) {
1654 return true;
1655 }
1656
1657 36 const Command *cmd = find_normal_command(a->args[1]);
1658
2/2
✓ Branch 0 (7→8) taken 1 times.
✓ Branch 1 (7→9) taken 35 times.
36 if (unlikely(!cmd)) {
1659 1 return error_msg(ebuf, "No such command: %s", a->args[1]);
1660 }
1661
1662 35 CommandArgs a2 = cmdargs_new(a->args + 2);
1663
1/2
✓ Branch 0 (10→11) taken 35 times.
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35 if (unlikely(!parse_args(cmd, &a2, ebuf))) {
1664 return false;
1665 }
1666
1667
6/6
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✓ Branch 1 (11→18) taken 3 times.
✓ Branch 2 (12→13) taken 10 times.
✓ Branch 3 (12→18) taken 22 times.
✓ Branch 4 (14→15) taken 8 times.
✓ Branch 5 (14→18) taken 2 times.
35 if (count > 1 && cmd->cmd == cmd_insert && !has_flag(&a2, 'k')) {
1668 // Use optimized implementation for repeated "insert"
1669 8 return repeat_insert(e, a2.args[0], count, has_flag(&a2, 'm'));
1670 }
1671
1672
2/2
✓ Branch 0 (19→17) taken 1096 times.
✓ Branch 1 (19→20) taken 27 times.
1123 while (count--) {
1673 1096 command_func_call(e, ebuf, cmd, &a2);
1674 }
1675
1676 // TODO: return false if fn() fails?
1677 return true;
1678 }
1679
1680 14 static bool cmd_replace(EditorState *e, const CommandArgs *a)
1681 {
1682 14 static const FlagMapping map[] = {
1683 {'b', REPLACE_BASIC},
1684 {'c', REPLACE_CONFIRM},
1685 {'g', REPLACE_GLOBAL},
1686 {'i', REPLACE_IGNORE_CASE},
1687 };
1688
1689 14 const char *pattern = a->args[0];
1690 14 ReplaceFlags flags = cmdargs_convert_flags(a, map, ARRAYLEN(map));
1691
1692
3/4
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✗ Branch 3 (4→6) not taken.
14 if (unlikely((flags & REPLACE_CONFIRM) && (e->flags & EFLAG_HEADLESS))) {
1693 2 return error_msg(&e->err, "-c flag unavailable in headless mode");
1694 }
1695
1696 12 char *alloc = NULL;
1697
1/2
✗ Branch 0 (7→8) not taken.
✓ Branch 1 (7→11) taken 12 times.
12 if (has_flag(a, 'e')) {
1698 size_t len = strlen(pattern);
1699 if (strn_contains_ascii_char_type(pattern, len, ASCII_REGEX)) {
1700 pattern = alloc = regexp_escape(pattern, len);
1701 }
1702 flags &= ~REPLACE_BASIC;
1703 }
1704
1705
2/2
✓ Branch 0 (11→12) taken 10 times.
✓ Branch 1 (11→13) taken 2 times.
12 const char *replacement = a->args[1] ? a->args[1] : "";
1706 12 bool r = reg_replace(e->view, pattern, replacement, flags);
1707 12 free(alloc);
1708 12 return r;
1709 }
1710
1711 31 static bool cmd_right(EditorState *e, const CommandArgs *a)
1712 {
1713 31 handle_selection_flags(e->view, a);
1714 31 move_cursor_right(e->view);
1715 31 return true;
1716 }
1717
1718 static bool stat_changed(const FileInfo *file, const struct stat *st)
1719 {
1720 // Don't compare st_mode because we allow chmod 755 etc.
1721 return !timespecs_equal(get_stat_mtime(st), &file->mtime)
1722 || st->st_dev != file->dev
1723 || st->st_ino != file->ino
1724 || st->st_size != file->size;
1725 }
1726
1727 static bool save_unmodified_buffer(Buffer *buffer, const char *filename)
1728 {
1729 SaveUnmodifiedType type = buffer->options.save_unmodified;
1730 if (type == SAVE_NONE) {
1731 LOG_INFO("buffer unchanged; leaving file untouched");
1732 return true;
1733 }
1734
1735 BUG_ON(type != SAVE_TOUCH);
1736 struct timespec times[2];
1737 if (unlikely(clock_gettime(CLOCK_REALTIME, &times[0]) != 0)) {
1738 LOG_ERRNO("aborting partial save; clock_gettime() failed");
1739 return false;
1740 }
1741
1742 times[1] = times[0];
1743 if (unlikely(utimensat(AT_FDCWD, filename, times, 0) != 0)) {
1744 LOG_ERRNO("aborting partial save; utimensat() failed");
1745 return false;
1746 }
1747
1748 buffer->file.mtime = times[0];
1749 LOG_INFO("buffer unchanged; mtime/atime updated");
1750 return true;
1751 }
1752
1753 24 static bool cmd_save(EditorState *e, const CommandArgs *a)
1754 {
1755 24 Buffer *buffer = e->buffer;
1756
1/2
✗ Branch 0 (2→3) not taken.
✓ Branch 1 (2→5) taken 24 times.
24 if (unlikely(buffer->stdout_buffer)) {
1757 const char *f = buffer_filename(buffer);
1758 return info_msg(&e->err, "%s can't be saved; it will be piped to stdout on exit", f);
1759 }
1760
1761 24 char du_flag = cmdargs_pick_winning_flag(a, "du");
1762
2/2
✓ Branch 0 (6→7) taken 1 times.
✓ Branch 1 (6→8) taken 23 times.
24 bool crlf = du_flag ? (du_flag == 'd') : buffer->crlf_newlines;
1763
1764 24 const char *requested_encoding = NULL;
1765 24 char **args = a->args;
1766
2/2
✓ Branch 0 (9→10) taken 2 times.
✓ Branch 1 (9→14) taken 22 times.
24 if (unlikely(a->nr_flag_args > 0)) {
1767 2 BUG_ON(!has_flag(a, 'e'));
1768 2 requested_encoding = args[a->nr_flag_args - 1];
1769 2 args += a->nr_flag_args;
1770 }
1771
1772 24 const char *encoding = buffer->encoding;
1773 24 bool bom = buffer->bom;
1774
2/2
✓ Branch 0 (14→15) taken 2 times.
✓ Branch 1 (14→32) taken 22 times.
24 if (requested_encoding) {
1775 2 EncodingType et = lookup_encoding(requested_encoding);
1776
2/2
✓ Branch 0 (16→17) taken 1 times.
✓ Branch 1 (16→21) taken 1 times.
2 if (et == UTF8) {
1777
1/2
✗ Branch 0 (18→19) not taken.
✓ Branch 1 (18→32) taken 1 times.
1 if (!encoding_is_utf8(encoding)) {
1778 // Encoding changed
1779 encoding = encoding_from_type(UTF8);
1780 bom = e->options.utf8_bom;
1781 }
1782
1/2
✓ Branch 0 (22→23) taken 1 times.
✗ Branch 1 (22→28) not taken.
1 } else if (conversion_supported_by_iconv("UTF-8", requested_encoding)) {
1783 1 encoding = encoding_normalize(requested_encoding);
1784
1/2
✓ Branch 0 (24→25) taken 1 times.
✗ Branch 1 (24→32) not taken.
1 if (encoding != buffer->encoding) {
1785 // Encoding changed
1786 1 bom = !!get_bom_for_encoding(lookup_encoding(encoding));
1787 }
1788 } else {
1789 if (errno == EINVAL) {
1790 return error_msg(&e->err, "Unsupported encoding '%s'", requested_encoding);
1791 }
1792 return error_msg (
1793 &e->err,
1794 "iconv conversion to '%s' failed: %s",
1795 requested_encoding,
1796 strerror(errno)
1797 );
1798 }
1799 }
1800
1801 24 char b_flag = cmdargs_pick_winning_flag(a, "bB");
1802
1/2
✗ Branch 0 (33→34) not taken.
✓ Branch 1 (33→35) taken 24 times.
24 bom = b_flag ? (b_flag == 'b') : bom;
1803
1804 24 char *absolute = buffer->abs_filename;
1805 24 bool force = has_flag(a, 'f');
1806 24 bool new_locked = false;
1807
2/2
✓ Branch 0 (36→37) taken 23 times.
✓ Branch 1 (36→45) taken 1 times.
24 if (a->nr_args > 0) {
1808
2/2
✓ Branch 0 (37→38) taken 1 times.
✓ Branch 1 (37→39) taken 22 times.
23 if (args[0][0] == '\0') {
1809 1 return error_msg(&e->err, "Empty filename not allowed");
1810 }
1811 22 char *tmp = path_absolute(args[0]);
1812
1/2
✗ Branch 0 (40→41) not taken.
✓ Branch 1 (40→42) taken 22 times.
22 if (!tmp) {
1813 return error_msg_errno(&e->err, "Failed to make absolute path");
1814 }
1815
3/4
✓ Branch 0 (42→43) taken 2 times.
✓ Branch 1 (42→55) taken 20 times.
✗ Branch 2 (43→44) not taken.
✓ Branch 3 (43→55) taken 2 times.
22 if (absolute && streq(tmp, absolute)) {
1816 free(tmp);
1817 } else {
1818 absolute = tmp;
1819 }
1820 } else {
1821
1/2
✓ Branch 0 (45→46) taken 1 times.
✗ Branch 1 (45→52) not taken.
1 if (!absolute) {
1822
1/2
✓ Branch 0 (47→48) taken 1 times.
✗ Branch 1 (47→49) not taken.
1 if (!has_flag(a, 'p')) {
1823 1 return error_msg(&e->err, "No filename");
1824 }
1825 push_input_mode(e, e->command_mode);
1826 cmdline_set_text(&e->cmdline, "save ");
1827 return true;
1828 }
1829 if (buffer->readonly && !force) {
1830 return error_msg(&e->err, "Use -f to force saving read-only file");
1831 }
1832 }
1833
1834 22 mode_t old_mode = buffer->file.mode;
1835 22 bool hardlinks = false;
1836 22 struct stat st;
1837 22 bool stat_ok = !stat(absolute, &st);
1838
2/2
✓ Branch 0 (56→57) taken 21 times.
✓ Branch 1 (56→61) taken 1 times.
22 if (!stat_ok) {
1839
1/2
✗ Branch 0 (57→58) not taken.
✓ Branch 1 (57→70) taken 21 times.
21 if (errno != ENOENT) {
1840 error_msg(&e->err, "stat failed for %s: %s", absolute, strerror(errno));
1841 goto error;
1842 }
1843 } else {
1844 1 if (
1845
1/2
✗ Branch 0 (61→62) not taken.
✓ Branch 1 (61→66) taken 1 times.
1 absolute == buffer->abs_filename
1846 && !force
1847 && stat_changed(&buffer->file, &st)
1848 ) {
1849 error_msg (
1850 &e->err,
1851 "File has been modified by another process; "
1852 "use 'save -f' to force overwrite"
1853 );
1854 goto error;
1855 }
1856
1/2
✓ Branch 0 (66→67) taken 1 times.
✗ Branch 1 (66→69) not taken.
1 if (S_ISDIR(st.st_mode)) {
1857 1 error_msg(&e->err, "Will not overwrite directory %s", absolute);
1858 1 goto error;
1859 }
1860 hardlinks = (st.st_nlink >= 2);
1861 }
1862
1863
1/2
✗ Branch 0 (70→71) not taken.
✓ Branch 1 (70→84) taken 21 times.
21 if (e->options.lock_files) {
1864 if (absolute == buffer->abs_filename) {
1865 if (!buffer->locked) {
1866 if (!lock_file(&e->locks_ctx, &e->err, absolute)) {
1867 if (!force) {
1868 error_msg(&e->err, "Can't lock file %s", absolute);
1869 goto error;
1870 }
1871 } else {
1872 buffer->locked = true;
1873 }
1874 }
1875 } else {
1876 if (!lock_file(&e->locks_ctx, &e->err, absolute)) {
1877 if (!force) {
1878 error_msg(&e->err, "Can't lock file %s", absolute);
1879 goto error;
1880 }
1881 } else {
1882 new_locked = true;
1883 }
1884 }
1885 }
1886
1887
1/2
✗ Branch 0 (84→85) not taken.
✓ Branch 1 (84→102) taken 21 times.
21 if (stat_ok) {
1888 if (absolute != buffer->abs_filename && !force) {
1889 error_msg(&e->err, "Use -f to overwrite %s", absolute);
1890 goto error;
1891 }
1892 // Allow chmod 755 etc.
1893 buffer->file.mode = st.st_mode;
1894 }
1895
1896 if (
1897 stat_ok
1898 && buffer->options.save_unmodified != SAVE_FULL
1899 && !stat_changed(&buffer->file, &st)
1900 && st.st_uid == buffer->file.uid
1901 && st.st_gid == buffer->file.gid
1902 && !buffer_modified(buffer)
1903 && absolute == buffer->abs_filename
1904 && encoding == buffer->encoding
1905 && crlf == buffer->crlf_newlines
1906 && bom == buffer->bom
1907 && save_unmodified_buffer(buffer, absolute)
1908 ) {
1909 BUG_ON(new_locked);
1910 return true;
1911 }
1912
1913 21 FileSaveContext ctx = {
1914 21 .ebuf = &e->err,
1915 .encoding = encoding,
1916 21 .new_file_mode = e->new_file_mode,
1917 .crlf = crlf,
1918 .write_bom = bom,
1919 .hardlinks = hardlinks,
1920 };
1921
1922
1/2
✗ Branch 0 (103→104) not taken.
✓ Branch 1 (103→105) taken 21 times.
21 if (!save_buffer(buffer, absolute, &ctx)) {
1923 goto error;
1924 }
1925
1926 21 buffer->saved_change = buffer->cur_change;
1927 21 buffer->readonly = false;
1928 21 buffer->temporary = false;
1929 21 buffer->crlf_newlines = crlf;
1930 21 buffer->bom = bom;
1931
2/2
✓ Branch 0 (105→106) taken 2 times.
✓ Branch 1 (105→107) taken 19 times.
21 if (requested_encoding) {
1932 2 buffer->encoding = encoding;
1933 }
1934
1935
1/2
✓ Branch 0 (107→108) taken 21 times.
✗ Branch 1 (107→112) not taken.
21 if (absolute != buffer->abs_filename) {
1936
1/2
✗ Branch 0 (108→109) not taken.
✓ Branch 1 (108→110) taken 21 times.
21 if (buffer->locked) {
1937 // Filename changes, release old file lock
1938 unlock_file(&e->locks_ctx, &e->err, buffer->abs_filename);
1939 }
1940 21 buffer->locked = new_locked;
1941
1942 21 free(buffer->abs_filename);
1943 21 buffer->abs_filename = absolute;
1944 21 buffer_update_short_filename(buffer, &e->home_dir);
1945 21 e->screen_update |= UPDATE_TERM_TITLE;
1946
1947 // Filename change is not detected (only buffer_modified() change)
1948 21 buffer_mark_tabbars_changed(buffer);
1949 }
1950
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21 if (!old_mode && streq(buffer->options.filetype, "none")) {
1951 // New file and most likely user has not changed the filetype
1952
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19 if (buffer_detect_filetype(buffer, &e->filetypes)) {
1953 set_file_options(e, buffer);
1954 set_editorconfig_options(buffer);
1955 buffer_update_syntax(e, buffer);
1956 }
1957 }
1958
1959 return true;
1960
1961 error:
1962
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1 if (new_locked) {
1963 unlock_file(&e->locks_ctx, &e->err, absolute);
1964 }
1965
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1 if (absolute != buffer->abs_filename) {
1966 1 free(absolute);
1967 }
1968 return false;
1969 }
1970
1971 1 static bool cmd_scroll_down(EditorState *e, const CommandArgs *a)
1972 {
1973 1 BUG_ON(a->nr_args);
1974 1 View *view = e->view;
1975 1 handle_selection_flags(view, a);
1976 1 view->vy++;
1977
1978
1/2
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1 if (has_flag(a, 'M')) {
1979 return true; // Don't move cursor, even at scroll margin
1980 }
1981
1982 1 unsigned int margin = window_get_scroll_margin(e->window);
1983
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1 if (view->cy < view->vy + margin) {
1984 1 move_down(view, 1);
1985 }
1986
1987 return true;
1988 }
1989
1990 1 static bool cmd_scroll_pgdown(EditorState *e, const CommandArgs *a)
1991 {
1992 1 BUG_ON(a->nr_args);
1993 1 View *view = e->view;
1994 1 handle_selection_flags(view, a);
1995
1996 1 const long edit_h = e->window->edit_h;
1997 1 const long max = view->buffer->nl - edit_h + 1;
1998 1 long count;
1999
2000
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1 if (view->vy < max && max > 0) {
2001 1 bool half = has_flag(a, 'h');
2002 1 unsigned int shift = half & 1;
2003 1 count = (edit_h - 1) >> shift;
2004
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✓ Branch 1 (8→10) taken 1 times.
1 if (view->vy + count > max) {
2005 count = max - view->vy;
2006 }
2007 1 view->vy += count;
2008 } else if (view->cy < view->buffer->nl) {
2009 count = view->buffer->nl - view->cy;
2010 } else {
2011 return true;
2012 }
2013
2014 1 move_down(view, count);
2015 1 return true;
2016 }
2017
2018 1 static bool cmd_scroll_pgup(EditorState *e, const CommandArgs *a)
2019 {
2020 1 BUG_ON(a->nr_args);
2021 1 View *view = e->view;
2022 1 handle_selection_flags(view, a);
2023
2024 1 long count;
2025
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1 if (view->vy > 0) {
2026 bool half = has_flag(a, 'h');
2027 unsigned int shift = half & 1;
2028 count = MIN((e->window->edit_h - 1) >> shift, view->vy);
2029 view->vy -= count;
2030
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✓ Branch 1 (8→11) taken 1 times.
1 } else if (view->cy > 0) {
2031 count = view->cy;
2032 } else {
2033 return true;
2034 }
2035
2036 move_up(view, count);
2037 return true;
2038 }
2039
2040 1 static bool cmd_scroll_up(EditorState *e, const CommandArgs *a)
2041 {
2042 1 BUG_ON(a->nr_args);
2043 1 View *view = e->view;
2044 1 handle_selection_flags(view, a);
2045 1 view->vy -= (view->vy > 0);
2046
2047
1/2
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1 if (has_flag(a, 'M')) {
2048 return true; // Don't move cursor, even at scroll margin
2049 }
2050
2051 1 const Window *window = e->window;
2052 1 unsigned int margin = window_get_scroll_margin(window);
2053
1/2
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✗ Branch 1 (8→10) not taken.
1 if (view->vy + (window->edit_h - margin) <= view->cy) {
2054 1 move_up(view, 1);
2055 }
2056
2057 return true;
2058 }
2059
2060 161 static unsigned int count_npw_flags(const CommandArgs *a)
2061 {
2062 161 const CommandFlagSet npw = cmdargs_flagset_from_str("npw");
2063 161 return u64_popcount(a->flag_set & npw);
2064 }
2065
2066 7 static bool cmd_search(EditorState *e, const CommandArgs *a)
2067 {
2068 7 const char *pattern = a->args[0];
2069
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✓ Branch 1 (3→5) taken 5 times.
7 if (count_npw_flags(a) + !!pattern > 1) {
2070 2 return error_msg(&e->err, "flags [-n|-p|-w] and [pattern] argument are mutually exclusive");
2071 }
2072
2073 5 View *view = e->view;
2074 5 char pattbuf[4096];
2075 5 bool use_word_under_cursor = has_flag(a, 'w');
2076
2077
2/2
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✓ Branch 1 (6→13) taken 4 times.
5 if (use_word_under_cursor) {
2078 1 StringView word = view_get_word_under_cursor(view);
2079
1/2
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✗ Branch 1 (8→12) not taken.
1 if (word.length == 0) {
2080 1 return false; // Error message wouldn't be very useful here
2081 }
2082 1 const RegexpWordBoundaryTokens *rwbt = &e->regexp_word_tokens;
2083 1 const size_t bmax = sizeof(rwbt->start);
2084 1 static_assert_compatible_types(rwbt->start, char[8]);
2085
1/2
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✗ Branch 1 (9→11) not taken.
1 if (unlikely(word.length >= sizeof(pattbuf) - (bmax * 2))) {
2086 1 return error_msg(&e->err, "word under cursor too long");
2087 }
2088 char *ptr = stpncpy(pattbuf, rwbt->start, bmax);
2089 memcpy(ptr, word.data, word.length);
2090 memcpy(ptr + word.length, rwbt->end, bmax);
2091 pattern = pattbuf;
2092 }
2093
2094 4 SearchCaseSensitivity cs = e->options.case_sensitive_search;
2095
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4 switch (cmdargs_pick_winning_flag(a, "ais")) {
2096 case 'a': cs = CSS_AUTO; break;
2097 case 'i': cs = CSS_FALSE; break;
2098 case 's': cs = CSS_TRUE; break;
2099 }
2100
2101 4 SearchState *search = &e->search;
2102 4 unselect(view);
2103
2104
2/2
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4 if (has_flag(a, 'n')) {
2105 1 return search_next(view, search, cs);
2106 }
2107
2/2
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✓ Branch 1 (23→25) taken 2 times.
3 if (has_flag(a, 'p')) {
2108 1 return search_prev(view, search, cs);
2109 }
2110
2111 2 search->reverse = has_flag(a, 'r');
2112
1/2
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✓ Branch 1 (26→29) taken 2 times.
2 if (!pattern) {
2113 push_input_mode(e, e->search_mode);
2114 return true;
2115 }
2116
2117 2 char *alloc = NULL;
2118
2/4
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✓ Branch 3 (31→34) taken 2 times.
2 if (!use_word_under_cursor && has_flag(a, 'e')) {
2119 size_t len = strlen(pattern);
2120 if (strn_contains_ascii_char_type(pattern, len, ASCII_REGEX)) {
2121 pattern = alloc = regexp_escape(pattern, len);
2122 }
2123 }
2124
2125
2/2
✓ Branch 0 (35→36) taken 1 times.
✓ Branch 1 (35→37) taken 1 times.
2 if (!has_flag(a, 'H')) {
2126 1 history_append(&e->search_history, pattern);
2127 }
2128
2129 2 search_set_regexp(search, pattern);
2130 2 free(alloc);
2131
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✓ Branch 3 (41→43) taken 1 times.
3 return has_flag(a, 'x') || do_search_next(view, search, cs, use_word_under_cursor);
2132 }
2133
2134 static bool cmd_select_block(EditorState *e, const CommandArgs *a)
2135 {
2136 BUG_ON(a->nr_args);
2137 select_block(e->view);
2138
2139 // TODO: return false if select_block() doesn't select anything?
2140 return true;
2141 }
2142
2143 3 static bool cmd_select(EditorState *e, const CommandArgs *a)
2144 {
2145 3 View *view = e->view;
2146
1/2
✓ Branch 0 (3→4) taken 3 times.
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3 SelectionType sel = has_flag(a, 'l') ? SELECT_LINES : SELECT_CHARS;
2147 3 bool keep = has_flag(a, 'k');
2148
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3 if (!keep && view->selection && view->selection == sel) {
2149 sel = SELECT_NONE;
2150 }
2151
2152 3 view->select_mode = sel;
2153 3 do_selection(view, sel);
2154 3 return true;
2155 }
2156
2157 31 static bool cmd_set(EditorState *e, const CommandArgs *a)
2158 {
2159 31 bool global = has_flag(a, 'g');
2160 31 bool local = has_flag(a, 'l');
2161
1/2
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✓ Branch 1 (4→7) taken 31 times.
31 if (!e->buffer) {
2162 if (unlikely(local)) {
2163 return error_msg(&e->err, "Flag -l makes no sense in config file");
2164 }
2165 global = true;
2166 }
2167
2168 31 char **args = a->args;
2169 31 size_t count = a->nr_args;
2170
2/2
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✓ Branch 1 (7→9) taken 30 times.
31 if (count == 1) {
2171 1 return set_bool_option(e, args[0], local, global);
2172 }
2173
2/2
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✓ Branch 1 (9→15) taken 29 times.
30 if (count & 1) {
2174 1 return error_msg(&e->err, "One or even number of arguments expected");
2175 }
2176
2177 size_t errors = 0;
2178
2/2
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✓ Branch 1 (15→16) taken 29 times.
58 for (size_t i = 0; i < count; i += 2) {
2179
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✓ Branch 1 (12→14) taken 17 times.
29 if (!set_option(e, args[i], args[i + 1], local, global)) {
2180 12 errors++;
2181 }
2182 }
2183
2184 29 return !errors;
2185 }
2186
2187 16 static bool cmd_setenv(EditorState *e, const CommandArgs *a)
2188 {
2189 16 const char *name = a->args[0];
2190
2/2
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✓ Branch 1 (2→4) taken 15 times.
16 if (unlikely(streq(name, "DTE_VERSION"))) {
2191 1 return error_msg(&e->err, "$DTE_VERSION cannot be changed");
2192 }
2193
2194 15 const size_t nr_args = a->nr_args;
2195 15 int res;
2196
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✓ Branch 1 (4→6) taken 4 times.
15 if (nr_args == 2) {
2197 11 res = setenv(name, a->args[1], 1);
2198 } else {
2199 4 BUG_ON(nr_args != 1);
2200 4 res = unsetenv(name);
2201 }
2202
2203
1/2
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✓ Branch 1 (9→15) taken 15 times.
15 if (likely(res == 0)) {
2204 return true;
2205 }
2206
2207 if (errno == EINVAL) {
2208 return error_msg(&e->err, "Invalid environment variable name '%s'", name);
2209 }
2210
2211 return error_msg_errno(&e->err, nr_args == 2 ? "setenv" : "unsetenv");
2212 }
2213
2214 12 static bool cmd_shift(EditorState *e, const CommandArgs *a)
2215 {
2216 12 const char *arg = a->args[0];
2217 12 int count;
2218
2/2
✓ Branch 0 (3→4) taken 1 times.
✓ Branch 1 (3→5) taken 11 times.
12 if (!str_to_int(arg, &count)) {
2219 1 return error_msg(&e->err, "Invalid number: %s", arg);
2220 }
2221
2/2
✓ Branch 0 (5→6) taken 1 times.
✓ Branch 1 (5→7) taken 10 times.
11 if (count == 0) {
2222 1 return error_msg(&e->err, "Count must be non-zero");
2223 }
2224 10 shift_lines(e->view, count);
2225 10 return true;
2226 }
2227
2228 9 static bool cmd_show(EditorState *e, const CommandArgs *a)
2229 {
2230 9 bool write_to_cmdline = has_flag(a, 'c');
2231
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9 if (write_to_cmdline && a->nr_args < 2) {
2232 1 return error_msg(&e->err, "\"show -c\" requires 2 arguments");
2233 }
2234 8 return show(e, a->args[0], a->args[1], write_to_cmdline);
2235 }
2236
2237 2 static bool cmd_suspend(EditorState *e, const CommandArgs *a)
2238 {
2239 2 BUG_ON(a->nr_args);
2240
1/2
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✗ Branch 1 (4→6) not taken.
2 if (e->flags & EFLAG_HEADLESS) {
2241 2 return error_msg(&e->err, "unavailable in headless mode");
2242 }
2243
2244 if (e->status == EDITOR_INITIALIZING) {
2245 LOG_WARNING("suspend request ignored");
2246 return false;
2247 }
2248
2249 if (e->session_leader) {
2250 return error_msg(&e->err, "Session leader can't suspend");
2251 }
2252
2253 ui_end(e, false);
2254 term_cooked();
2255 LOG_INFO("suspending");
2256
2257 bool suspended = !kill(0, SIGSTOP);
2258 if (suspended) {
2259 LOG_INFO("resumed");
2260 } else {
2261 error_msg_errno(&e->err, "kill");
2262 }
2263
2264 term_raw();
2265 ui_start(e);
2266 return suspended;
2267 }
2268
2269 2 static bool cmd_tag(EditorState *e, const CommandArgs *a)
2270 {
2271
2/2
✓ Branch 0 (3→4) taken 1 times.
✓ Branch 1 (3→6) taken 1 times.
2 if (has_flag(a, 'r')) {
2272 1 bookmark_pop(&e->bookmarks, e->window);
2273 1 return true;
2274 }
2275
2276 1 size_t nargs = a->nr_args;
2277 1 StringView word_under_cursor;
2278
1/2
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✓ Branch 1 (6→9) taken 1 times.
1 if (nargs == 0) {
2279 word_under_cursor = view_get_word_under_cursor(e->view);
2280 if (word_under_cursor.length == 0) {
2281 return false;
2282 }
2283 }
2284
2285 1 MessageArray *msgs = &e->messages;
2286 1 clear_messages(msgs);
2287
1/2
✓ Branch 0 (11→12) taken 1 times.
✗ Branch 1 (11→20) not taken.
1 if (!load_tag_file(&e->tagfile, &e->err)) {
2288 return false;
2289 }
2290
2291 1 const char *filename = e->buffer->abs_filename;
2292
1/2
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✓ Branch 1 (12→16) taken 1 times.
1 if (nargs == 0) {
2293 tag_lookup(&e->tagfile, msgs, &e->err, &word_under_cursor, filename);
2294 }
2295
2296
2/2
✓ Branch 0 (17→14) taken 1 times.
✓ Branch 1 (17→18) taken 1 times.
2 for (size_t i = 0; i < nargs; i++) {
2297 1 StringView tagname = strview_from_cstring(a->args[i]);
2298 1 tag_lookup(&e->tagfile, msgs, &e->err, &tagname, filename);
2299 }
2300
2301 1 activate_current_message_save(msgs, &e->bookmarks, e->view);
2302 1 return (msgs->array.count > 0);
2303 }
2304
2305 static bool cmd_title(EditorState *e, const CommandArgs *a)
2306 {
2307 Buffer *buffer = e->buffer;
2308 if (buffer->abs_filename) {
2309 return error_msg(&e->err, "saved buffers can't be retitled");
2310 }
2311
2312 buffer_set_display_filename(buffer, xstrdup(a->args[0]));
2313 buffer_mark_tabbars_changed(buffer);
2314 e->screen_update |= UPDATE_TERM_TITLE;
2315 return true;
2316 }
2317
2318 16 static bool cmd_toggle(EditorState *e, const CommandArgs *a)
2319 {
2320 16 bool global = has_flag(a, 'g');
2321 16 bool verbose = has_flag(a, 'v');
2322 16 const char *option_name = a->args[0];
2323 16 size_t nr_values = a->nr_args - 1;
2324
1/2
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✗ Branch 1 (4→6) not taken.
16 if (nr_values == 0) {
2325 16 return toggle_option(e, option_name, global, verbose);
2326 }
2327
2328 char **values = a->args + 1;
2329 return toggle_option_values(e, option_name, global, verbose, values, nr_values);
2330 }
2331
2332 1020 static bool cmd_undo(EditorState *e, const CommandArgs *a)
2333 {
2334 1020 View *view = e->view;
2335 1020 bool move_only = has_flag(a, 'm');
2336
1/2
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✓ Branch 1 (3→8) taken 1020 times.
1020 if (move_only) {
2337 const Change *change = view->buffer->cur_change;
2338 if (!change->next) {
2339 // If there's only 1 change, there's nothing meaningful to move to
2340 return false;
2341 }
2342 block_iter_goto_offset(&view->cursor, change->offset);
2343 view_reset_preferred_x(view);
2344 return true;
2345 }
2346
2347
3/4
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✓ Branch 1 (9→13) taken 976 times.
✗ Branch 2 (11→12) not taken.
✓ Branch 3 (11→13) taken 44 times.
1020 return undo(view) && unselect(view);
2348 }
2349
2350 1 static bool cmd_unselect(EditorState *e, const CommandArgs *a)
2351 {
2352 1 BUG_ON(a->nr_args);
2353 1 return unselect(e->view);
2354 }
2355
2356 16 static bool cmd_up(EditorState *e, const CommandArgs *a)
2357 {
2358 16 handle_selection_flags(e->view, a);
2359 16 move_up(e->view, 1);
2360 16 return true;
2361 }
2362
2363 3 static bool cmd_view(EditorState *e, const CommandArgs *a)
2364 {
2365 3 Window *window = e->window;
2366 3 BUG_ON(window->views.count == 0);
2367 3 const char *arg = a->args[0];
2368 3 size_t idx;
2369
1/2
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✓ Branch 1 (4→6) taken 3 times.
3 if (streq(arg, "last")) {
2370 idx = window->views.count - 1;
2371 } else {
2372
4/4
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✓ Branch 1 (7→9) taken 1 times.
✓ Branch 2 (8→9) taken 1 times.
✓ Branch 3 (8→10) taken 1 times.
3 if (!str_to_size(arg, &idx) || idx == 0) {
2373 2 return error_msg(&e->err, "Invalid view index: %s", arg);
2374 }
2375 1 idx = MIN(idx, window->views.count) - 1;
2376 }
2377 1 set_view(window->views.ptrs[idx]);
2378 1 return true;
2379 }
2380
2381 4 static bool cmd_wclose(EditorState *e, const CommandArgs *a)
2382 {
2383 4 View *view = window_find_unclosable_view(e->window);
2384 4 bool force = has_flag(a, 'f');
2385
2/2
✓ Branch 0 (4→5) taken 2 times.
✓ Branch 1 (4→6) taken 2 times.
4 if (!view || force) {
2386 2 goto close;
2387 }
2388
2389 2 bool prompt = has_flag(a, 'p');
2390 2 set_view(view);
2391
2/2
✓ Branch 0 (8→9) taken 1 times.
✓ Branch 1 (8→10) taken 1 times.
2 if (!prompt) {
2392 1 return error_msg (
2393 &e->err,
2394 "Save modified files or run 'wclose -f' to close "
2395 "window without saving"
2396 );
2397 }
2398
2399
1/2
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✗ Branch 1 (10→12) not taken.
1 if (unlikely(e->flags & EFLAG_HEADLESS)) {
2400 1 return error_msg(&e->err, "-p flag unavailable in headless mode");
2401 }
2402
2403 if (dialog_prompt(e, "Close window without saving? [y/N]", "ny") != 'y') {
2404 return false;
2405 }
2406
2407 close:
2408 2 window_close(e->window);
2409 2 return true;
2410 }
2411
2412 1 static bool cmd_wflip(EditorState *e, const CommandArgs *a)
2413 {
2414 1 BUG_ON(a->nr_args);
2415 1 Frame *frame = e->window->frame;
2416
1/2
✗ Branch 0 (4→5) not taken.
✓ Branch 1 (4→6) taken 1 times.
1 if (!frame->parent) {
2417 return false;
2418 }
2419 frame->parent->vertical ^= 1;
2420 e->screen_update |= UPDATE_ALL_WINDOWS;
2421 return true;
2422 }
2423
2424 1 static bool cmd_wnext(EditorState *e, const CommandArgs *a)
2425 {
2426 1 BUG_ON(a->nr_args);
2427 1 e->window = window_next(e->window);
2428 1 set_view(e->window->view);
2429 1 e->screen_update |= UPDATE_ALL;
2430 1 frame_debug(e->root_frame);
2431 1 return true;
2432 }
2433
2434 1 static bool cmd_word_bwd(EditorState *e, const CommandArgs *a)
2435 {
2436 1 handle_selection_flags(e->view, a);
2437 1 bool skip_non_word = has_flag(a, 's');
2438 1 word_bwd(&e->view->cursor, skip_non_word);
2439 1 view_reset_preferred_x(e->view);
2440 1 return true;
2441 }
2442
2443 4 static bool cmd_word_fwd(EditorState *e, const CommandArgs *a)
2444 {
2445 4 handle_selection_flags(e->view, a);
2446 4 bool skip_non_word = has_flag(a, 's');
2447 4 word_fwd(&e->view->cursor, skip_non_word);
2448 4 view_reset_preferred_x(e->view);
2449 4 return true;
2450 }
2451
2452 1 static bool cmd_wprev(EditorState *e, const CommandArgs *a)
2453 {
2454 1 BUG_ON(a->nr_args);
2455 1 e->window = window_prev(e->window);
2456 1 set_view(e->window->view);
2457 1 e->screen_update |= UPDATE_ALL;
2458 1 frame_debug(e->root_frame);
2459 1 return true;
2460 }
2461
2462 4 static bool cmd_wrap_paragraph(EditorState *e, const CommandArgs *a)
2463 {
2464 4 const char *arg = a->args[0];
2465 4 unsigned int width = e->buffer->options.text_width;
2466
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4 if (arg) {
2467
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3 if (!str_to_uint(arg, &width)) {
2468 1 return error_msg(&e->err, "invalid paragraph width: %s", arg);
2469 }
2470 2 unsigned int max = TEXT_WIDTH_MAX;
2471
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2 if (width < 1 || width > max) {
2472 1 return error_msg(&e->err, "width must be between 1 and %u", max);
2473 }
2474 }
2475 2 wrap_paragraph(e->view, width);
2476 2 return true;
2477 }
2478
2479 2 static bool cmd_wresize(EditorState *e, const CommandArgs *a)
2480 {
2481 2 Window *window = e->window;
2482
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2 if (!window->frame->parent) {
2483 // Only window
2484 return false;
2485 }
2486
2487 1 ResizeDirection dir = RESIZE_DIRECTION_AUTO;
2488
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1 switch (last_flag(a)) {
2489 case 'h':
2490 dir = RESIZE_DIRECTION_HORIZONTAL;
2491 break;
2492 case 'v':
2493 dir = RESIZE_DIRECTION_VERTICAL;
2494 break;
2495 }
2496
2497 1 const char *arg = a->args[0];
2498
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1 if (arg) {
2499 1 int n;
2500
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1 if (!str_to_int(arg, &n)) {
2501 1 return error_msg(&e->err, "Invalid resize value: %s", arg);
2502 }
2503 if (arg[0] == '+' || arg[0] == '-') {
2504 frame_add_to_size(window->frame, dir, n);
2505 } else {
2506 frame_resize(window->frame, dir, n);
2507 }
2508 } else {
2509 frame_equalize_sizes(window->frame->parent);
2510 }
2511
2512 e->screen_update |= UPDATE_ALL_WINDOWS;
2513 frame_debug(e->root_frame);
2514 // TODO: return false if resize failed?
2515 return true;
2516 }
2517
2518 3 static bool cmd_wsplit(EditorState *e, const CommandArgs *a)
2519 {
2520 3 bool before = has_flag(a, 'b');
2521
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3 bool use_glob = has_flag(a, 'g') && a->nr_args > 0;
2522 3 bool vertical = has_flag(a, 'h');
2523 3 bool root = has_flag(a, 'r');
2524 3 bool temporary = has_flag(a, 't');
2525
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3 bool empty = temporary || has_flag(a, 'n');
2526
2527
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2 if (unlikely(empty && a->nr_args > 0)) {
2528 1 return error_msg(&e->err, "flags -n and -t can't be used with filename arguments");
2529 }
2530
2531 2 char **paths = a->args;
2532 2 glob_t globbuf;
2533
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2 if (use_glob) {
2534 if (!xglob(&e->err, a->args, &globbuf)) {
2535 return false;
2536 }
2537 paths = globbuf.gl_pathv;
2538 }
2539
2540 2 Frame *frame;
2541
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2 if (root) {
2542 frame = frame_split_root(e, vertical, before);
2543 } else {
2544 2 frame = frame_split(e->window, vertical, before);
2545 }
2546
2547 2 View *save = e->view;
2548 2 e->window = frame->window;
2549 2 e->view = NULL;
2550 2 e->buffer = NULL;
2551 2 e->screen_update |= UPDATE_ALL;
2552
2553 2 View *view;
2554
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2 if (empty) {
2555 1 view = window_open_new_file(e->window);
2556 1 view->buffer->temporary = temporary;
2557
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1 } else if (paths[0]) {
2558 view = window_open_files(e->window, paths, NULL);
2559 } else {
2560 1 view = window_add_buffer(e->window, save->buffer);
2561 1 view->cursor = save->cursor;
2562 1 set_view(view);
2563 }
2564
2565
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2 if (use_glob) {
2566 globfree(&globbuf);
2567 }
2568
2569
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2 if (!view) {
2570 // Open failed, remove new window
2571 frame_remove(e, e->window->frame);
2572 e->view = save;
2573 e->buffer = save->buffer;
2574 e->window = save->window;
2575 }
2576
2577 2 frame_debug(e->root_frame);
2578 2 return !!view;
2579 }
2580
2581 1 static bool cmd_wswap(EditorState *e, const CommandArgs *a)
2582 {
2583 1 BUG_ON(a->nr_args);
2584 1 Frame *frame = e->window->frame;
2585 1 Frame *parent = frame->parent;
2586
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1 if (!parent) {
2587 return false;
2588 }
2589
2590 1 PointerArray *pframes = &parent->frames;
2591 1 size_t current = ptr_array_xindex(pframes, frame);
2592 1 size_t next = size_increment_wrapped(current, pframes->count);
2593 1 ptr_array_swap(pframes, current, next);
2594 1 e->screen_update |= UPDATE_ALL_WINDOWS;
2595 1 return true;
2596 }
2597
2598 enum {
2599 // Short aliases for CommandOptions:
2600 NA = 0,
2601 RC = CMDOPT_ALLOW_IN_RC,
2602 NFAA = CMDOPT_NO_FLAGS_AFTER_ARGS,
2603 };
2604
2605 static const Command cmds[] = {
2606 {"alias", "", RC | NFAA, 1, 2, cmd_alias},
2607 {"bind", "cnqsT=", RC | NFAA, 1, 2, cmd_bind},
2608 {"blkdown", "cl", NA, 0, 0, cmd_blkdown},
2609 {"blkup", "cl", NA, 0, 0, cmd_blkup},
2610 {"bof", "cl", NA, 0, 0, cmd_bof},
2611 {"bol", "clrst", NA, 0, 0, cmd_bol},
2612 {"bolsf", "cl", NA, 0, 0, cmd_bolsf},
2613 {"bookmark", "r", NA, 0, 0, cmd_bookmark},
2614 {"case", "lu", NA, 0, 0, cmd_case},
2615 {"cd", "v", RC, 1, 1, cmd_cd},
2616 {"center-view", "", NA, 0, 0, cmd_center_view},
2617 {"clear", "Ii", NA, 0, 0, cmd_clear},
2618 {"close", "fpqw", NA, 0, 0, cmd_close},
2619 {"command", "", NFAA, 0, 1, cmd_command},
2620 {"compile", "1ps", NFAA, 2, -1, cmd_compile},
2621 {"copy", "bikp", NA, 0, 1, cmd_copy},
2622 {"cursor", "", RC, 0, 3, cmd_cursor},
2623 {"cut", "", NA, 0, 0, cmd_cut},
2624 {"def-mode", "Uu", RC, 1, 16, cmd_def_mode},
2625 {"delete", "", NA, 0, 0, cmd_delete},
2626 {"delete-eol", "n", NA, 0, 0, cmd_delete_eol},
2627 {"delete-line", "S", NA, 0, 0, cmd_delete_line},
2628 {"delete-word", "s", NA, 0, 0, cmd_delete_word},
2629 {"down", "cl", NA, 0, 0, cmd_down},
2630 {"eof", "cl", NA, 0, 0, cmd_eof},
2631 {"eol", "cl", NA, 0, 0, cmd_eol},
2632 {"eolsf", "cl", NA, 0, 0, cmd_eolsf},
2633 {"erase", "", NA, 0, 0, cmd_erase},
2634 {"erase-bol", "", NA, 0, 0, cmd_erase_bol},
2635 {"erase-word", "s", NA, 0, 0, cmd_erase_word},
2636 {"errorfmt", "i", RC, 1, 2 + ERRORFMT_CAPTURE_MAX, cmd_errorfmt},
2637 {"exec", "e=i=o=lmnpst", NFAA, 1, -1, cmd_exec},
2638 {"ft", "bcfi", RC | NFAA, 2, -1, cmd_ft},
2639 {"hi", "c", RC | NFAA, 0, -1, cmd_hi},
2640 {"include", "bq", RC, 1, 1, cmd_include},
2641 {"insert", "km", NA, 1, 1, cmd_insert},
2642 {"join", "", NA, 0, 1, cmd_join},
2643 {"left", "cl", NA, 0, 0, cmd_left},
2644 {"line", "cl", NA, 1, 1, cmd_line},
2645 {"macro", "", NA, 1, 1, cmd_macro},
2646 {"match-bracket", "cl", NA, 0, 0, cmd_match_bracket},
2647 {"mode", "", RC, 1, 1, cmd_mode},
2648 {"move-tab", "", NA, 1, 1, cmd_move_tab},
2649 {"msg", "np", NA, 0, 1, cmd_msg},
2650 {"new-line", "Iai", NA, 0, 0, cmd_new_line},
2651 {"next", "", NA, 0, 0, cmd_next},
2652 {"open", "e=gt", NA, 0, -1, cmd_open},
2653 {"option", "r", RC | NFAA, 3, -1, cmd_option},
2654 {"paste", "acm", NA, 0, 0, cmd_paste},
2655 {"pgdown", "cl", NA, 0, 0, cmd_pgdown},
2656 {"pgup", "cl", NA, 0, 0, cmd_pgup},
2657 {"prev", "", NA, 0, 0, cmd_prev},
2658 {"quit", "CFHSfp", NA, 0, 1, cmd_quit},
2659 {"redo", "", NA, 0, 1, cmd_redo},
2660 {"refresh", "", NA, 0, 0, cmd_refresh},
2661 {"reopen", "", NA, 0, 0, cmd_reopen},
2662 {"repeat", "", NFAA, 2, -1, cmd_repeat},
2663 {"replace", "bcegi", NA, 1, 2, cmd_replace},
2664 {"right", "cl", NA, 0, 0, cmd_right},
2665 {"save", "Bbde=fpu", NA, 0, 1, cmd_save},
2666 {"scroll-down", "Mcl", NA, 0, 0, cmd_scroll_down},
2667 {"scroll-pgdown", "chl", NA, 0, 0, cmd_scroll_pgdown},
2668 {"scroll-pgup", "chl", NA, 0, 0, cmd_scroll_pgup},
2669 {"scroll-up", "Mcl", NA, 0, 0, cmd_scroll_up},
2670 {"search", "Haeinprswx", NA, 0, 1, cmd_search},
2671 {"select", "kl", NA, 0, 0, cmd_select},
2672 {"select-block", "", NA, 0, 0, cmd_select_block},
2673 {"set", "gl", RC, 1, -1, cmd_set},
2674 {"setenv", "", RC, 1, 2, cmd_setenv},
2675 {"shift", "", NA, 1, 1, cmd_shift},
2676 {"show", "c", NA, 1, 2, cmd_show},
2677 {"suspend", "", NA, 0, 0, cmd_suspend},
2678 {"tag", "r", NA, 0, -1, cmd_tag},
2679 {"title", "", NA, 1, 1, cmd_title},
2680 {"toggle", "gv", NA, 1, -1, cmd_toggle},
2681 {"undo", "m", NA, 0, 0, cmd_undo},
2682 {"unselect", "", NA, 0, 0, cmd_unselect},
2683 {"up", "cl", NA, 0, 0, cmd_up},
2684 {"view", "", NA, 1, 1, cmd_view},
2685 {"wclose", "fp", NA, 0, 0, cmd_wclose},
2686 {"wflip", "", NA, 0, 0, cmd_wflip},
2687 {"wnext", "", NA, 0, 0, cmd_wnext},
2688 {"word-bwd", "cls", NA, 0, 0, cmd_word_bwd},
2689 {"word-fwd", "cls", NA, 0, 0, cmd_word_fwd},
2690 {"wprev", "", NA, 0, 0, cmd_wprev},
2691 {"wrap-paragraph", "", NA, 0, 1, cmd_wrap_paragraph},
2692 {"wresize", "hv", NA, 0, 1, cmd_wresize},
2693 {"wsplit", "bghnrt", NA, 0, -1, cmd_wsplit},
2694 {"wswap", "", NA, 0, 0, cmd_wswap},
2695 };
2696
2697 247 static bool allow_macro_recording(const Command *cmd, char **args)
2698 {
2699 247 const CommandFunc fn = cmd->cmd;
2700
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247 if (fn == cmd_macro || fn == cmd_command || fn == cmd_mode) {
2701 return false;
2702 }
2703
2704
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203 if (fn == cmd_search) {
2705 154 char **args_copy = copy_string_array(args, string_array_length(args));
2706 154 CommandArgs a = cmdargs_new(args_copy);
2707 154 bool ret = true;
2708
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154 if (do_parse_args(cmd, &a) == ARGERR_NONE) {
2709
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154 if (a.nr_args + count_npw_flags(&a) == 0) {
2710 // If command is "search" with no pattern argument and without
2711 // flags -n, -p or -w, the command would put the editor into
2712 // search mode, which shouldn't be recorded.
2713 44 ret = false;
2714 }
2715 }
2716 154 free_string_array(args_copy);
2717 154 return ret;
2718 }
2719
2720 if (fn == cmd_exec) {
2721 // TODO: don't record -o with open/tag/eval/msg
2722 }
2723
2724 return true;
2725 }
2726
2727 22 UNITTEST {
2728 // NOLINTBEGIN(bugprone-assert-side-effect)
2729 22 const char *args[4] = {NULL};
2730 22 char **argp = (char**)args;
2731 22 const Command *cmd = find_normal_command("left");
2732 22 BUG_ON(!cmd);
2733 22 BUG_ON(!allow_macro_recording(cmd, argp));
2734
2735 22 cmd = find_normal_command("exec");
2736 22 BUG_ON(!cmd);
2737 22 BUG_ON(!allow_macro_recording(cmd, argp));
2738
2739 22 cmd = find_normal_command("command");
2740 22 BUG_ON(!cmd);
2741 22 BUG_ON(allow_macro_recording(cmd, argp));
2742
2743 22 cmd = find_normal_command("macro");
2744 22 BUG_ON(!cmd);
2745 22 BUG_ON(allow_macro_recording(cmd, argp));
2746
2747 22 cmd = find_normal_command("search");
2748 22 BUG_ON(!cmd);
2749 22 BUG_ON(allow_macro_recording(cmd, argp));
2750 22 args[0] = "xyz";
2751 22 BUG_ON(!allow_macro_recording(cmd, argp));
2752 22 args[0] = "-n";
2753 22 BUG_ON(!allow_macro_recording(cmd, argp));
2754 22 args[0] = "-p";
2755 22 BUG_ON(!allow_macro_recording(cmd, argp));
2756 22 args[0] = "-w";
2757 22 BUG_ON(!allow_macro_recording(cmd, argp));
2758 22 args[0] = "-Hr";
2759 22 BUG_ON(allow_macro_recording(cmd, argp));
2760 22 args[1] = "str";
2761 22 BUG_ON(!allow_macro_recording(cmd, argp));
2762 // NOLINTEND(bugprone-assert-side-effect)
2763 22 }
2764
2765 5 static void record_command(EditorState *e, const Command *cmd, char **args)
2766 {
2767
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5 if (!allow_macro_recording(cmd, args)) {
2768 return;
2769 }
2770 5 macro_command_hook(&e->macro, cmd->name, args);
2771 }
2772
2773 5217 const Command *find_normal_command(const char *name)
2774 {
2775 5217 return BSEARCH(name, cmds, command_cmp);
2776 }
2777
2778 const CommandSet normal_commands = {
2779 .lookup = find_normal_command,
2780 .macro_record = record_command,
2781 };
2782
2783 116 const char *find_normal_alias(const EditorState *e, const char *name)
2784 {
2785 116 return find_alias(&e->aliases, name);
2786 }
2787
2788 155 bool handle_normal_command(EditorState *e, const char *cmd, bool allow_recording)
2789 {
2790 155 CommandRunner runner = normal_mode_cmdrunner(e);
2791 155 runner.allow_recording = allow_recording;
2792 155 return handle_command(&runner, cmd);
2793 }
2794
2795 41 void exec_normal_config(EditorState *e, StringView config)
2796 {
2797 41 CommandRunner runner = normal_mode_cmdrunner(e);
2798 41 exec_config(&runner, config);
2799 41 }
2800
2801 102 int read_normal_config(EditorState *e, const char *filename, ConfigFlags flags)
2802 {
2803 102 CommandRunner runner = normal_mode_cmdrunner(e);
2804 102 return read_config(&runner, filename, flags);
2805 }
2806
2807 5 void collect_normal_commands(PointerArray *a, const char *prefix)
2808 {
2809 5 COLLECT_STRING_FIELDS(cmds, name, a, prefix);
2810 5 }
2811
2812 22 UNITTEST {
2813 22 CHECK_BSEARCH_ARRAY(cmds, name, strcmp);
2814
2815
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1980 for (size_t i = 0, n = ARRAYLEN(cmds); i < n; i++) {
2816 // Check that flags array is null-terminated within bounds
2817 1958 const char *const flags = cmds[i].flags;
2818 1958 BUG_ON(flags[ARRAYLEN(cmds[0].flags) - 1] != '\0');
2819
2820 // Count number of real flags (i.e. not including '=')
2821 size_t nr_real_flags = 0;
2822
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5588 for (size_t j = 0; flags[j]; j++) {
2823 3630 unsigned char flag = flags[j];
2824
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3630 if (ascii_isalnum(flag)) {
2825 3498 nr_real_flags++;
2826
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132 } else if (flag != '=') {
2827 BUG("invalid command flag: 0x%02hhX", flag);
2828 }
2829 }
2830
2831 // Check that max. number of real flags fits in CommandArgs::flags
2832 // array (and also leaves 1 byte for null-terminator)
2833 1958 CommandArgs a;
2834 1958 BUG_ON(nr_real_flags >= ARRAYLEN(a.flags));
2835 }
2836 22 }
2837