1 /************************************************************
2 * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
3 *
4 * Permission to use, copy, modify, and distribute this
5 * software and its documentation for any purpose and without
6 * fee is hereby granted, provided that the above copyright
7 * notice appear in all copies and that both that copyright
8 * notice and this permission notice appear in supporting
9 * documentation, and that the name of Silicon Graphics not be
10 * used in advertising or publicity pertaining to distribution
11 * of the software without specific prior written permission.
12 * Silicon Graphics makes no representation about the suitability
13 * of this software for any purpose. It is provided "as is"
14 * without any express or implied warranty.
15 *
16 * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
18 * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
19 * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
20 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
22 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
23 * THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 *
25 ********************************************************/
26
27 /*
28 * Copyright © 2012 Intel Corporation
29 *
30 * Permission is hereby granted, free of charge, to any person obtaining a
31 * copy of this software and associated documentation files (the "Software"),
32 * to deal in the Software without restriction, including without limitation
33 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
34 * and/or sell copies of the Software, and to permit persons to whom the
35 * Software is furnished to do so, subject to the following conditions:
36 *
37 * The above copyright notice and this permission notice (including the next
38 * paragraph) shall be included in all copies or substantial portions of the
39 * Software.
40 *
41 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
42 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
43 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
44 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
45 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
46 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
47 * DEALINGS IN THE SOFTWARE.
48 *
49 * Author: Daniel Stone <daniel@fooishbar.org>
50 */
51
52 #include "xkbcomp-priv.h"
53 #include "text.h"
54
55 #define BUF_CHUNK_SIZE 4096
56
57 struct buf {
58 char *buf;
59 size_t size;
60 size_t alloc;
61 };
62
63 static bool
do_realloc(struct buf * buf,size_t at_least)64 do_realloc(struct buf *buf, size_t at_least)
65 {
66 char *new;
67
68 buf->alloc += BUF_CHUNK_SIZE;
69 if (at_least >= BUF_CHUNK_SIZE)
70 buf->alloc += at_least;
71
72 new = realloc(buf->buf, buf->alloc);
73 if (!new)
74 return false;
75
76 buf->buf = new;
77 return true;
78 }
79
80 ATTR_PRINTF(2, 3) static bool
check_write_buf(struct buf * buf,const char * fmt,...)81 check_write_buf(struct buf *buf, const char *fmt, ...)
82 {
83 va_list args;
84 int printed;
85 size_t available;
86
87 available = buf->alloc - buf->size;
88 va_start(args, fmt);
89 printed = vsnprintf(buf->buf + buf->size, available, fmt, args);
90 va_end(args);
91
92 if (printed < 0)
93 goto err;
94
95 if ((size_t) printed >= available)
96 if (!do_realloc(buf, printed))
97 goto err;
98
99 /* The buffer has enough space now. */
100
101 available = buf->alloc - buf->size;
102 va_start(args, fmt);
103 printed = vsnprintf(buf->buf + buf->size, available, fmt, args);
104 va_end(args);
105
106 if (printed < 0 || (size_t) printed >= available)
107 goto err;
108
109 buf->size += printed;
110 return true;
111
112 err:
113 free(buf->buf);
114 buf->buf = NULL;
115 return false;
116 }
117
118 #define write_buf(buf, ...) do { \
119 if (!check_write_buf(buf, __VA_ARGS__)) \
120 return false; \
121 } while (0)
122
123 static bool
write_vmods(struct xkb_keymap * keymap,struct buf * buf)124 write_vmods(struct xkb_keymap *keymap, struct buf *buf)
125 {
126 const struct xkb_mod *mod;
127 xkb_mod_index_t num_vmods = 0;
128
129 xkb_mods_foreach(mod, &keymap->mods) {
130 if (mod->type != MOD_VIRT)
131 continue;
132
133 if (num_vmods == 0)
134 write_buf(buf, "\tvirtual_modifiers ");
135 else
136 write_buf(buf, ",");
137 write_buf(buf, "%s", xkb_atom_text(keymap->ctx, mod->name));
138 num_vmods++;
139 }
140
141 if (num_vmods > 0)
142 write_buf(buf, ";\n\n");
143
144 return true;
145 }
146
147 static bool
write_keycodes(struct xkb_keymap * keymap,struct buf * buf)148 write_keycodes(struct xkb_keymap *keymap, struct buf *buf)
149 {
150 const struct xkb_key *key;
151 xkb_led_index_t idx;
152 const struct xkb_led *led;
153
154 if (keymap->keycodes_section_name)
155 write_buf(buf, "xkb_keycodes \"%s\" {\n",
156 keymap->keycodes_section_name);
157 else
158 write_buf(buf, "xkb_keycodes {\n");
159
160 /* xkbcomp and X11 really want to see keymaps with a minimum of 8, and
161 * a maximum of at least 255, else XWayland really starts hating life.
162 * If this is a problem and people really need strictly bounded keymaps,
163 * we should probably control this with a flag. */
164 write_buf(buf, "\tminimum = %u;\n", min(keymap->min_key_code, 8));
165 write_buf(buf, "\tmaximum = %u;\n", max(keymap->max_key_code, 255));
166
167 xkb_keys_foreach(key, keymap) {
168 if (key->name == XKB_ATOM_NONE)
169 continue;
170
171 write_buf(buf, "\t%-20s = %u;\n",
172 KeyNameText(keymap->ctx, key->name), key->keycode);
173 }
174
175 xkb_leds_enumerate(idx, led, keymap)
176 if (led->name != XKB_ATOM_NONE)
177 write_buf(buf, "\tindicator %u = \"%s\";\n",
178 idx + 1, xkb_atom_text(keymap->ctx, led->name));
179
180
181 for (unsigned i = 0; i < keymap->num_key_aliases; i++)
182 write_buf(buf, "\talias %-14s = %s;\n",
183 KeyNameText(keymap->ctx, keymap->key_aliases[i].alias),
184 KeyNameText(keymap->ctx, keymap->key_aliases[i].real));
185
186 write_buf(buf, "};\n\n");
187 return true;
188 }
189
190 static bool
write_types(struct xkb_keymap * keymap,struct buf * buf)191 write_types(struct xkb_keymap *keymap, struct buf *buf)
192 {
193 if (keymap->types_section_name)
194 write_buf(buf, "xkb_types \"%s\" {\n",
195 keymap->types_section_name);
196 else
197 write_buf(buf, "xkb_types {\n");
198
199 write_vmods(keymap, buf);
200
201 for (unsigned i = 0; i < keymap->num_types; i++) {
202 const struct xkb_key_type *type = &keymap->types[i];
203
204 write_buf(buf, "\ttype \"%s\" {\n",
205 xkb_atom_text(keymap->ctx, type->name));
206
207 write_buf(buf, "\t\tmodifiers= %s;\n",
208 ModMaskText(keymap->ctx, &keymap->mods, type->mods.mods));
209
210 for (unsigned j = 0; j < type->num_entries; j++) {
211 const char *str;
212 const struct xkb_key_type_entry *entry = &type->entries[j];
213
214 /*
215 * Printing level 1 entries is redundant, it's the default,
216 * unless there's preserve info.
217 */
218 if (entry->level == 0 && entry->preserve.mods == 0)
219 continue;
220
221 str = ModMaskText(keymap->ctx, &keymap->mods, entry->mods.mods);
222 write_buf(buf, "\t\tmap[%s]= Level%u;\n",
223 str, entry->level + 1);
224
225 if (entry->preserve.mods)
226 write_buf(buf, "\t\tpreserve[%s]= %s;\n",
227 str, ModMaskText(keymap->ctx, &keymap->mods,
228 entry->preserve.mods));
229 }
230
231 for (xkb_level_index_t n = 0; n < type->num_levels; n++)
232 if (type->level_names[n])
233 write_buf(buf, "\t\tlevel_name[Level%u]= \"%s\";\n", n + 1,
234 xkb_atom_text(keymap->ctx, type->level_names[n]));
235
236 write_buf(buf, "\t};\n");
237 }
238
239 write_buf(buf, "};\n\n");
240 return true;
241 }
242
243 static bool
write_led_map(struct xkb_keymap * keymap,struct buf * buf,const struct xkb_led * led)244 write_led_map(struct xkb_keymap *keymap, struct buf *buf,
245 const struct xkb_led *led)
246 {
247 write_buf(buf, "\tindicator \"%s\" {\n",
248 xkb_atom_text(keymap->ctx, led->name));
249
250 if (led->which_groups) {
251 if (led->which_groups != XKB_STATE_LAYOUT_EFFECTIVE) {
252 write_buf(buf, "\t\twhichGroupState= %s;\n",
253 LedStateMaskText(keymap->ctx, led->which_groups));
254 }
255 write_buf(buf, "\t\tgroups= 0x%02x;\n",
256 led->groups);
257 }
258
259 if (led->which_mods) {
260 if (led->which_mods != XKB_STATE_MODS_EFFECTIVE) {
261 write_buf(buf, "\t\twhichModState= %s;\n",
262 LedStateMaskText(keymap->ctx, led->which_mods));
263 }
264 write_buf(buf, "\t\tmodifiers= %s;\n",
265 ModMaskText(keymap->ctx, &keymap->mods, led->mods.mods));
266 }
267
268 if (led->ctrls) {
269 write_buf(buf, "\t\tcontrols= %s;\n",
270 ControlMaskText(keymap->ctx, led->ctrls));
271 }
272
273 write_buf(buf, "\t};\n");
274 return true;
275 }
276
277 static const char *
affect_lock_text(enum xkb_action_flags flags)278 affect_lock_text(enum xkb_action_flags flags)
279 {
280 switch (flags & (ACTION_LOCK_NO_LOCK | ACTION_LOCK_NO_UNLOCK)) {
281 case ACTION_LOCK_NO_UNLOCK:
282 return ",affect=lock";
283 case ACTION_LOCK_NO_LOCK:
284 return ",affect=unlock";
285 case ACTION_LOCK_NO_LOCK | ACTION_LOCK_NO_UNLOCK:
286 return ",affect=neither";
287 }
288 return "";
289 }
290
291 static bool
write_action(struct xkb_keymap * keymap,struct buf * buf,const union xkb_action * action,const char * prefix,const char * suffix)292 write_action(struct xkb_keymap *keymap, struct buf *buf,
293 const union xkb_action *action,
294 const char *prefix, const char *suffix)
295 {
296 const char *type;
297 const char *args = NULL;
298
299 if (!prefix)
300 prefix = "";
301 if (!suffix)
302 suffix = "";
303
304 type = ActionTypeText(action->type);
305
306 switch (action->type) {
307 case ACTION_TYPE_MOD_LOCK:
308 case ACTION_TYPE_MOD_SET:
309 case ACTION_TYPE_MOD_LATCH:
310 if (action->mods.flags & ACTION_MODS_LOOKUP_MODMAP)
311 args = "modMapMods";
312 else
313 args = ModMaskText(keymap->ctx, &keymap->mods,
314 action->mods.mods.mods);
315 write_buf(buf, "%s%s(modifiers=%s%s%s%s)%s", prefix, type, args,
316 (action->type != ACTION_TYPE_MOD_LOCK && (action->mods.flags & ACTION_LOCK_CLEAR)) ? ",clearLocks" : "",
317 (action->type != ACTION_TYPE_MOD_LOCK && (action->mods.flags & ACTION_LATCH_TO_LOCK)) ? ",latchToLock" : "",
318 (action->type == ACTION_TYPE_MOD_LOCK) ? affect_lock_text(action->mods.flags) : "",
319 suffix);
320 break;
321
322 case ACTION_TYPE_GROUP_SET:
323 case ACTION_TYPE_GROUP_LATCH:
324 case ACTION_TYPE_GROUP_LOCK:
325 write_buf(buf, "%s%s(group=%s%d%s%s)%s", prefix, type,
326 (!(action->group.flags & ACTION_ABSOLUTE_SWITCH) && action->group.group > 0) ? "+" : "",
327 (action->group.flags & ACTION_ABSOLUTE_SWITCH) ? action->group.group + 1 : action->group.group,
328 (action->type != ACTION_TYPE_GROUP_LOCK && (action->group.flags & ACTION_LOCK_CLEAR)) ? ",clearLocks" : "",
329 (action->type != ACTION_TYPE_GROUP_LOCK && (action->group.flags & ACTION_LATCH_TO_LOCK)) ? ",latchToLock" : "",
330 suffix);
331 break;
332
333 case ACTION_TYPE_TERMINATE:
334 write_buf(buf, "%s%s()%s", prefix, type, suffix);
335 break;
336
337 case ACTION_TYPE_PTR_MOVE:
338 write_buf(buf, "%s%s(x=%s%d,y=%s%d%s)%s", prefix, type,
339 (!(action->ptr.flags & ACTION_ABSOLUTE_X) && action->ptr.x >= 0) ? "+" : "",
340 action->ptr.x,
341 (!(action->ptr.flags & ACTION_ABSOLUTE_Y) && action->ptr.y >= 0) ? "+" : "",
342 action->ptr.y,
343 (action->ptr.flags & ACTION_ACCEL) ? "" : ",!accel",
344 suffix);
345 break;
346
347 case ACTION_TYPE_PTR_LOCK:
348 args = affect_lock_text(action->btn.flags);
349 /* fallthrough */
350 case ACTION_TYPE_PTR_BUTTON:
351 write_buf(buf, "%s%s(button=", prefix, type);
352 if (action->btn.button > 0 && action->btn.button <= 5)
353 write_buf(buf, "%d", action->btn.button);
354 else
355 write_buf(buf, "default");
356 if (action->btn.count)
357 write_buf(buf, ",count=%d", action->btn.count);
358 if (args)
359 write_buf(buf, "%s", args);
360 write_buf(buf, ")%s", suffix);
361 break;
362
363 case ACTION_TYPE_PTR_DEFAULT:
364 write_buf(buf, "%s%s(", prefix, type);
365 write_buf(buf, "affect=button,button=%s%d",
366 (!(action->dflt.flags & ACTION_ABSOLUTE_SWITCH) && action->dflt.value >= 0) ? "+" : "",
367 action->dflt.value);
368 write_buf(buf, ")%s", suffix);
369 break;
370
371 case ACTION_TYPE_SWITCH_VT:
372 write_buf(buf, "%s%s(screen=%s%d,%ssame)%s", prefix, type,
373 (!(action->screen.flags & ACTION_ABSOLUTE_SWITCH) && action->screen.screen >= 0) ? "+" : "",
374 action->screen.screen,
375 (action->screen.flags & ACTION_SAME_SCREEN) ? "" : "!",
376 suffix);
377 break;
378
379 case ACTION_TYPE_CTRL_SET:
380 case ACTION_TYPE_CTRL_LOCK:
381 write_buf(buf, "%s%s(controls=%s%s)%s", prefix, type,
382 ControlMaskText(keymap->ctx, action->ctrls.ctrls),
383 (action->type == ACTION_TYPE_CTRL_LOCK) ? affect_lock_text(action->ctrls.flags) : "",
384 suffix);
385 break;
386
387 case ACTION_TYPE_NONE:
388 write_buf(buf, "%sNoAction()%s", prefix, suffix);
389 break;
390
391 default:
392 write_buf(buf,
393 "%s%s(type=0x%02x,data[0]=0x%02x,data[1]=0x%02x,data[2]=0x%02x,data[3]=0x%02x,data[4]=0x%02x,data[5]=0x%02x,data[6]=0x%02x)%s",
394 prefix, type, action->type, action->priv.data[0],
395 action->priv.data[1], action->priv.data[2],
396 action->priv.data[3], action->priv.data[4],
397 action->priv.data[5], action->priv.data[6],
398 suffix);
399 break;
400 }
401
402 return true;
403 }
404
405 static bool
write_compat(struct xkb_keymap * keymap,struct buf * buf)406 write_compat(struct xkb_keymap *keymap, struct buf *buf)
407 {
408 const struct xkb_led *led;
409
410 if (keymap->compat_section_name)
411 write_buf(buf, "xkb_compatibility \"%s\" {\n",
412 keymap->compat_section_name);
413 else
414 write_buf(buf, "xkb_compatibility {\n");
415
416 write_vmods(keymap, buf);
417
418 write_buf(buf, "\tinterpret.useModMapMods= AnyLevel;\n");
419 write_buf(buf, "\tinterpret.repeat= False;\n");
420
421 for (unsigned i = 0; i < keymap->num_sym_interprets; i++) {
422 const struct xkb_sym_interpret *si = &keymap->sym_interprets[i];
423
424 write_buf(buf, "\tinterpret %s+%s(%s) {\n",
425 si->sym ? KeysymText(keymap->ctx, si->sym) : "Any",
426 SIMatchText(si->match),
427 ModMaskText(keymap->ctx, &keymap->mods, si->mods));
428
429 if (si->virtual_mod != XKB_MOD_INVALID)
430 write_buf(buf, "\t\tvirtualModifier= %s;\n",
431 ModIndexText(keymap->ctx, &keymap->mods,
432 si->virtual_mod));
433
434 if (si->level_one_only)
435 write_buf(buf, "\t\tuseModMapMods=level1;\n");
436
437 if (si->repeat)
438 write_buf(buf, "\t\trepeat= True;\n");
439
440 write_action(keymap, buf, &si->action, "\t\taction= ", ";\n");
441 write_buf(buf, "\t};\n");
442 }
443
444 xkb_leds_foreach(led, keymap)
445 if (led->which_groups || led->groups || led->which_mods ||
446 led->mods.mods || led->ctrls)
447 write_led_map(keymap, buf, led);
448
449 write_buf(buf, "};\n\n");
450
451 return true;
452 }
453
454 static bool
write_keysyms(struct xkb_keymap * keymap,struct buf * buf,const struct xkb_key * key,xkb_layout_index_t group)455 write_keysyms(struct xkb_keymap *keymap, struct buf *buf,
456 const struct xkb_key *key, xkb_layout_index_t group)
457 {
458 for (xkb_level_index_t level = 0; level < XkbKeyNumLevels(key, group);
459 level++) {
460 const xkb_keysym_t *syms;
461 int num_syms;
462
463 if (level != 0)
464 write_buf(buf, ", ");
465
466 num_syms = xkb_keymap_key_get_syms_by_level(keymap, key->keycode,
467 group, level, &syms);
468 if (num_syms == 0) {
469 write_buf(buf, "%15s", "NoSymbol");
470 }
471 else if (num_syms == 1) {
472 write_buf(buf, "%15s", KeysymText(keymap->ctx, syms[0]));
473 }
474 else {
475 write_buf(buf, "{ ");
476 for (int s = 0; s < num_syms; s++) {
477 if (s != 0)
478 write_buf(buf, ", ");
479 write_buf(buf, "%s", KeysymText(keymap->ctx, syms[s]));
480 }
481 write_buf(buf, " }");
482 }
483 }
484
485 return true;
486 }
487
488 static bool
write_key(struct xkb_keymap * keymap,struct buf * buf,const struct xkb_key * key)489 write_key(struct xkb_keymap *keymap, struct buf *buf,
490 const struct xkb_key *key)
491 {
492 xkb_layout_index_t group;
493 bool simple = true;
494 bool explicit_types = false;
495 bool multi_type = false;
496 bool show_actions;
497
498 write_buf(buf, "\tkey %-20s {", KeyNameText(keymap->ctx, key->name));
499
500 for (group = 0; group < key->num_groups; group++) {
501 if (key->groups[group].explicit_type)
502 explicit_types = true;
503
504 if (group != 0 && key->groups[group].type != key->groups[0].type)
505 multi_type = true;
506 }
507
508 if (explicit_types) {
509 const struct xkb_key_type *type;
510 simple = false;
511
512 if (multi_type) {
513 for (group = 0; group < key->num_groups; group++) {
514 if (!key->groups[group].explicit_type)
515 continue;
516
517 type = key->groups[group].type;
518 write_buf(buf, "\n\t\ttype[group%u]= \"%s\",",
519 group + 1,
520 xkb_atom_text(keymap->ctx, type->name));
521 }
522 }
523 else {
524 type = key->groups[0].type;
525 write_buf(buf, "\n\t\ttype= \"%s\",",
526 xkb_atom_text(keymap->ctx, type->name));
527 }
528 }
529
530 if (key->explicit & EXPLICIT_REPEAT) {
531 if (key->repeats)
532 write_buf(buf, "\n\t\trepeat= Yes,");
533 else
534 write_buf(buf, "\n\t\trepeat= No,");
535 simple = false;
536 }
537
538 if (key->vmodmap && (key->explicit & EXPLICIT_VMODMAP))
539 write_buf(buf, "\n\t\tvirtualMods= %s,",
540 ModMaskText(keymap->ctx, &keymap->mods, key->vmodmap));
541
542 switch (key->out_of_range_group_action) {
543 case RANGE_SATURATE:
544 write_buf(buf, "\n\t\tgroupsClamp,");
545 break;
546
547 case RANGE_REDIRECT:
548 write_buf(buf, "\n\t\tgroupsRedirect= Group%u,",
549 key->out_of_range_group_number + 1);
550 break;
551
552 default:
553 break;
554 }
555
556 show_actions = (key->explicit & EXPLICIT_INTERP);
557
558 if (key->num_groups > 1 || show_actions)
559 simple = false;
560
561 if (simple) {
562 write_buf(buf, "\t[ ");
563 if (!write_keysyms(keymap, buf, key, 0))
564 return false;
565 write_buf(buf, " ] };\n");
566 }
567 else {
568 xkb_level_index_t level;
569
570 for (group = 0; group < key->num_groups; group++) {
571 if (group != 0)
572 write_buf(buf, ",");
573 write_buf(buf, "\n\t\tsymbols[Group%u]= [ ", group + 1);
574 if (!write_keysyms(keymap, buf, key, group))
575 return false;
576 write_buf(buf, " ]");
577 if (show_actions) {
578 write_buf(buf, ",\n\t\tactions[Group%u]= [ ", group + 1);
579 for (level = 0; level < XkbKeyNumLevels(key, group); level++) {
580 if (level != 0)
581 write_buf(buf, ", ");
582 write_action(keymap, buf,
583 &key->groups[group].levels[level].action,
584 NULL, NULL);
585 }
586 write_buf(buf, " ]");
587 }
588 }
589 write_buf(buf, "\n\t};\n");
590 }
591
592 return true;
593 }
594
595 static bool
write_symbols(struct xkb_keymap * keymap,struct buf * buf)596 write_symbols(struct xkb_keymap *keymap, struct buf *buf)
597 {
598 const struct xkb_key *key;
599 xkb_layout_index_t group;
600 xkb_mod_index_t i;
601 const struct xkb_mod *mod;
602
603 if (keymap->symbols_section_name)
604 write_buf(buf, "xkb_symbols \"%s\" {\n",
605 keymap->symbols_section_name);
606 else
607 write_buf(buf, "xkb_symbols {\n");
608
609 for (group = 0; group < keymap->num_group_names; group++)
610 if (keymap->group_names[group])
611 write_buf(buf,
612 "\tname[group%u]=\"%s\";\n", group + 1,
613 xkb_atom_text(keymap->ctx, keymap->group_names[group]));
614 if (group > 0)
615 write_buf(buf, "\n");
616
617 xkb_keys_foreach(key, keymap)
618 if (key->num_groups > 0)
619 write_key(keymap, buf, key);
620
621 xkb_mods_enumerate(i, mod, &keymap->mods) {
622 bool had_any = false;
623 xkb_keys_foreach(key, keymap) {
624 if (key->modmap & (1u << i)) {
625 if (!had_any)
626 write_buf(buf, "\tmodifier_map %s { ",
627 xkb_atom_text(keymap->ctx, mod->name));
628 write_buf(buf, "%s%s",
629 had_any ? ", " : "",
630 KeyNameText(keymap->ctx, key->name));
631 had_any = true;
632 }
633 }
634 if (had_any)
635 write_buf(buf, " };\n");
636 }
637
638 write_buf(buf, "};\n\n");
639 return true;
640 }
641
642 static bool
write_keymap(struct xkb_keymap * keymap,struct buf * buf)643 write_keymap(struct xkb_keymap *keymap, struct buf *buf)
644 {
645 return (check_write_buf(buf, "xkb_keymap {\n") &&
646 write_keycodes(keymap, buf) &&
647 write_types(keymap, buf) &&
648 write_compat(keymap, buf) &&
649 write_symbols(keymap, buf) &&
650 check_write_buf(buf, "};\n"));
651 }
652
653 char *
text_v1_keymap_get_as_string(struct xkb_keymap * keymap)654 text_v1_keymap_get_as_string(struct xkb_keymap *keymap)
655 {
656 struct buf buf = { NULL, 0, 0 };
657
658 if (!write_keymap(keymap, &buf)) {
659 free(buf.buf);
660 return NULL;
661 }
662
663 return buf.buf;
664 }
665