keymap-dump: add missing support for NoLock and NoUnlock flags
[platform/upstream/libxkbcommon.git] / src / xkbcomp / keymap-dump.c
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
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
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
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     darray_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
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_foreach_key(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     darray_enumerate(idx, led, keymap->leds)
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
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, 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, 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, entry->preserve.mods));
228         }
229
230         for (xkb_level_index_t n = 0; n < type->num_levels; n++)
231             if (type->level_names[n])
232                 write_buf(buf, "\t\tlevel_name[Level%u]= \"%s\";\n", n + 1,
233                           xkb_atom_text(keymap->ctx, type->level_names[n]));
234
235         write_buf(buf, "\t};\n");
236     }
237
238     write_buf(buf, "};\n\n");
239     return true;
240 }
241
242 static bool
243 write_led_map(struct xkb_keymap *keymap, struct buf *buf,
244               const struct xkb_led *led)
245 {
246     write_buf(buf, "\tindicator \"%s\" {\n",
247               xkb_atom_text(keymap->ctx, led->name));
248
249     if (led->which_groups) {
250         if (led->which_groups != XKB_STATE_LAYOUT_EFFECTIVE) {
251             write_buf(buf, "\t\twhichGroupState= %s;\n",
252                       LedStateMaskText(keymap->ctx, led->which_groups));
253         }
254         write_buf(buf, "\t\tgroups= 0x%02x;\n",
255                   led->groups);
256     }
257
258     if (led->which_mods) {
259         if (led->which_mods != XKB_STATE_MODS_EFFECTIVE) {
260             write_buf(buf, "\t\twhichModState= %s;\n",
261                       LedStateMaskText(keymap->ctx, led->which_mods));
262         }
263         write_buf(buf, "\t\tmodifiers= %s;\n",
264                   ModMaskText(keymap, led->mods.mods));
265     }
266
267     if (led->ctrls) {
268         write_buf(buf, "\t\tcontrols= %s;\n",
269                   ControlMaskText(keymap->ctx, led->ctrls));
270     }
271
272     write_buf(buf, "\t};\n");
273     return true;
274 }
275
276 static const char *
277 affect_lock_text(enum xkb_action_flags flags)
278 {
279     switch (flags & (ACTION_LOCK_NO_LOCK | ACTION_LOCK_NO_UNLOCK)) {
280     case ACTION_LOCK_NO_UNLOCK:
281         return ",affect=lock";
282     case ACTION_LOCK_NO_LOCK:
283         return ",affect=unlock";
284     case ACTION_LOCK_NO_LOCK | ACTION_LOCK_NO_UNLOCK:
285         return ",affect=neither";
286     }
287     return "";
288 }
289
290 static bool
291 write_action(struct xkb_keymap *keymap, struct buf *buf,
292              const union xkb_action *action,
293              const char *prefix, const char *suffix)
294 {
295     const char *type;
296     const char *args = NULL;
297
298     if (!prefix)
299         prefix = "";
300     if (!suffix)
301         suffix = "";
302
303     type = ActionTypeText(action->type);
304
305     switch (action->type) {
306     case ACTION_TYPE_MOD_LOCK:
307     case ACTION_TYPE_MOD_SET:
308     case ACTION_TYPE_MOD_LATCH:
309         if (action->mods.flags & ACTION_MODS_LOOKUP_MODMAP)
310             args = "modMapMods";
311         else
312             args = ModMaskText(keymap, action->mods.mods.mods);
313         write_buf(buf, "%s%s(modifiers=%s%s%s%s)%s", prefix, type, args,
314                   (action->type != ACTION_TYPE_MOD_LOCK && (action->mods.flags & ACTION_LOCK_CLEAR)) ? ",clearLocks" : "",
315                   (action->type != ACTION_TYPE_MOD_LOCK && (action->mods.flags & ACTION_LATCH_TO_LOCK)) ? ",latchToLock" : "",
316                   (action->type == ACTION_TYPE_MOD_LOCK) ? affect_lock_text(action->mods.flags) : "",
317                   suffix);
318         break;
319
320     case ACTION_TYPE_GROUP_SET:
321     case ACTION_TYPE_GROUP_LATCH:
322     case ACTION_TYPE_GROUP_LOCK:
323         write_buf(buf, "%s%s(group=%s%d%s%s)%s", prefix, type,
324                   (!(action->group.flags & ACTION_ABSOLUTE_SWITCH) && action->group.group > 0) ? "+" : "",
325                   (action->group.flags & ACTION_ABSOLUTE_SWITCH) ? action->group.group + 1 : action->group.group,
326                   (action->type != ACTION_TYPE_GROUP_LOCK && (action->group.flags & ACTION_LOCK_CLEAR)) ? ",clearLocks" : "",
327                   (action->type != ACTION_TYPE_GROUP_LOCK && (action->group.flags & ACTION_LATCH_TO_LOCK)) ? ",latchToLock" : "",
328                   suffix);
329         break;
330
331     case ACTION_TYPE_TERMINATE:
332         write_buf(buf, "%s%s()%s", prefix, type, suffix);
333         break;
334
335     case ACTION_TYPE_PTR_MOVE:
336         write_buf(buf, "%s%s(x=%s%d,y=%s%d%s)%s", prefix, type,
337                   (!(action->ptr.flags & ACTION_ABSOLUTE_X) &&
338                    action->ptr.x >= 0) ? "+" : "",
339                   action->ptr.x,
340                   (!(action->ptr.flags & ACTION_ABSOLUTE_Y) &&
341                    action->ptr.y >= 0) ? "+" : "",
342                   action->ptr.y,
343                   (action->ptr.flags & ACTION_NO_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
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, si->mods));
428
429         if (si->virtual_mod != XKB_MOD_INVALID)
430             write_buf(buf, "\t\tvirtualModifier= %s;\n",
431                       ModIndexText(keymap, si->virtual_mod));
432
433         if (si->level_one_only)
434             write_buf(buf, "\t\tuseModMapMods=level1;\n");
435
436         if (si->repeat)
437             write_buf(buf, "\t\trepeat= True;\n");
438
439         write_action(keymap, buf, &si->action, "\t\taction= ", ";\n");
440         write_buf(buf, "\t};\n");
441     }
442
443     darray_foreach(led, keymap->leds)
444         if (led->which_groups || led->groups || led->which_mods ||
445             led->mods.mods || led->ctrls)
446             write_led_map(keymap, buf, led);
447
448     write_buf(buf, "};\n\n");
449
450     return true;
451 }
452
453 static bool
454 write_keysyms(struct xkb_keymap *keymap, struct buf *buf,
455               const struct xkb_key *key, xkb_layout_index_t group)
456 {
457     for (xkb_level_index_t level = 0; level < XkbKeyGroupWidth(key, group);
458          level++) {
459         const xkb_keysym_t *syms;
460         int num_syms;
461
462         if (level != 0)
463             write_buf(buf, ", ");
464
465         num_syms = xkb_keymap_key_get_syms_by_level(keymap, key->keycode,
466                                                     group, level, &syms);
467         if (num_syms == 0) {
468             write_buf(buf, "%15s", "NoSymbol");
469         }
470         else if (num_syms == 1) {
471             write_buf(buf, "%15s", KeysymText(keymap->ctx, syms[0]));
472         }
473         else {
474             write_buf(buf, "{ ");
475             for (int s = 0; s < num_syms; s++) {
476                 if (s != 0)
477                     write_buf(buf, ", ");
478                 write_buf(buf, "%s", KeysymText(keymap->ctx, syms[s]));
479             }
480             write_buf(buf, " }");
481         }
482     }
483
484     return true;
485 }
486
487 static bool
488 write_key(struct xkb_keymap *keymap, struct buf *buf,
489           const struct xkb_key *key)
490 {
491     xkb_layout_index_t group;
492     bool simple = true;
493     bool explicit_types = false;
494     bool multi_type = false;
495     bool show_actions;
496
497     write_buf(buf, "\tkey %-20s {", KeyNameText(keymap->ctx, key->name));
498
499     for (group = 0; group < key->num_groups; group++) {
500         if (key->groups[group].explicit_type)
501             explicit_types = true;
502
503         if (group != 0 && key->groups[group].type != key->groups[0].type)
504             multi_type = true;
505     }
506
507     if (explicit_types) {
508         const struct xkb_key_type *type;
509         simple = false;
510
511         if (multi_type) {
512             for (group = 0; group < key->num_groups; group++) {
513                 if (!key->groups[group].explicit_type)
514                     continue;
515
516                 type = key->groups[group].type;
517                 write_buf(buf, "\n\t\ttype[group%u]= \"%s\",",
518                             group + 1,
519                             xkb_atom_text(keymap->ctx, type->name));
520             }
521         }
522         else {
523             type = key->groups[0].type;
524             write_buf(buf, "\n\t\ttype= \"%s\",",
525                         xkb_atom_text(keymap->ctx, type->name));
526         }
527     }
528
529     if (key->explicit & EXPLICIT_REPEAT) {
530         if (key->repeats)
531             write_buf(buf, "\n\t\trepeat= Yes,");
532         else
533             write_buf(buf, "\n\t\trepeat= No,");
534         simple = false;
535     }
536
537     if (key->vmodmap && (key->explicit & EXPLICIT_VMODMAP))
538         write_buf(buf, "\n\t\tvirtualMods= %s,",
539                     ModMaskText(keymap, key->vmodmap));
540
541     switch (key->out_of_range_group_action) {
542     case RANGE_SATURATE:
543         write_buf(buf, "\n\t\tgroupsClamp,");
544         break;
545
546     case RANGE_REDIRECT:
547         write_buf(buf, "\n\t\tgroupsRedirect= Group%u,",
548                     key->out_of_range_group_number + 1);
549         break;
550
551     default:
552         break;
553     }
554
555     show_actions = !!(key->explicit & EXPLICIT_INTERP);
556
557     if (key->num_groups > 1 || show_actions)
558         simple = false;
559
560     if (simple) {
561         write_buf(buf, "\t[ ");
562         if (!write_keysyms(keymap, buf, key, 0))
563             return false;
564         write_buf(buf, " ] };\n");
565     }
566     else {
567         xkb_level_index_t level;
568
569         for (group = 0; group < key->num_groups; group++) {
570             if (group != 0)
571                 write_buf(buf, ",");
572             write_buf(buf, "\n\t\tsymbols[Group%u]= [ ", group + 1);
573             if (!write_keysyms(keymap, buf, key, group))
574                 return false;
575             write_buf(buf, " ]");
576             if (show_actions) {
577                 write_buf(buf, ",\n\t\tactions[Group%u]= [ ", group + 1);
578                 for (level = 0;
579                         level < XkbKeyGroupWidth(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
596 write_symbols(struct xkb_keymap *keymap, struct buf *buf)
597 {
598     const struct xkb_key *key;
599     xkb_layout_index_t group;
600
601     if (keymap->symbols_section_name)
602         write_buf(buf, "xkb_symbols \"%s\" {\n",
603                   keymap->symbols_section_name);
604     else
605         write_buf(buf, "xkb_symbols {\n");
606
607     for (group = 0; group < keymap->num_group_names; group++)
608         if (keymap->group_names[group])
609             write_buf(buf,
610                       "\tname[group%u]=\"%s\";\n", group + 1,
611                       xkb_atom_text(keymap->ctx, keymap->group_names[group]));
612     if (group > 0)
613         write_buf(buf, "\n");
614
615     xkb_foreach_key(key, keymap)
616         if (key->num_groups > 0)
617             write_key(keymap, buf, key);
618
619     xkb_foreach_key(key, keymap) {
620         xkb_mod_index_t i;
621         const struct xkb_mod *mod;
622
623         if (key->modmap == 0)
624             continue;
625
626         darray_enumerate(i, mod, keymap->mods)
627             if (key->modmap & (1u << i))
628                 write_buf(buf, "\tmodifier_map %s { %s };\n",
629                           xkb_atom_text(keymap->ctx, mod->name),
630                           KeyNameText(keymap->ctx, key->name));
631     }
632
633     write_buf(buf, "};\n\n");
634     return true;
635 }
636
637 static bool
638 write_keymap(struct xkb_keymap *keymap, struct buf *buf)
639 {
640     return (check_write_buf(buf, "xkb_keymap {\n") &&
641             write_keycodes(keymap, buf) &&
642             write_types(keymap, buf) &&
643             write_compat(keymap, buf) &&
644             write_symbols(keymap, buf) &&
645             check_write_buf(buf, "};\n"));
646 }
647
648 char *
649 text_v1_keymap_get_as_string(struct xkb_keymap *keymap)
650 {
651     struct buf buf = { NULL, 0, 0 };
652
653     if (!write_keymap(keymap, &buf)) {
654         free(buf.buf);
655         return NULL;
656     }
657
658     return buf.buf;
659 }