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 (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 >= available || printed < 0)
 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     const struct xkb_key_alias *alias;
 152     xkb_led_index_t i;
 153     const struct xkb_led *led;
 154
 155     if (keymap->keycodes_section_name)
 156         write_buf(buf, "xkb_keycodes \"%s\" {\n",
 157                   keymap->keycodes_section_name);
 158     else
 159         write_buf(buf, "xkb_keycodes {\n");
 160
 161     xkb_foreach_key(key, keymap) {
 162         if (key->name == XKB_ATOM_NONE)
 163             continue;
 164
 165         write_buf(buf, "\t%-20s = %d;\n",
 166                   KeyNameText(keymap->ctx, key->name), key->keycode);
 167     }
 168
 169     darray_enumerate(i, led, keymap->leds)
 170         if (led->name != XKB_ATOM_NONE)
 171             write_buf(buf, "\tindicator %d = \"%s\";\n",
 172                       i + 1, xkb_atom_text(keymap->ctx, led->name));
 173
 174
 175     darray_foreach(alias, keymap->key_aliases)
 176         write_buf(buf, "\talias %-14s = %s;\n",
 177                   KeyNameText(keymap->ctx, alias->alias),
 178                   KeyNameText(keymap->ctx, alias->real));
 179
 180     write_buf(buf, "};\n\n");
 181     return true;
 182 }
 183
 184 static bool
 185 write_types(struct xkb_keymap *keymap, struct buf *buf)
 186 {
 187     if (keymap->types_section_name)
 188         write_buf(buf, "xkb_types \"%s\" {\n",
 189                   keymap->types_section_name);
 190     else
 191         write_buf(buf, "xkb_types {\n");
 192
 193     write_vmods(keymap, buf);
 194
 195     for (unsigned i = 0; i < keymap->num_types; i++) {
 196         const struct xkb_key_type *type = &keymap->types[i];
 197
 198         write_buf(buf, "\ttype \"%s\" {\n",
 199                   xkb_atom_text(keymap->ctx, type->name));
 200
 201         write_buf(buf, "\t\tmodifiers= %s;\n",
 202                   ModMaskText(keymap, type->mods.mods));
 203
 204         for (unsigned j = 0; j < type->num_entries; j++) {
 205             const char *str;
 206             const struct xkb_kt_map_entry *entry = &type->map[j];
 207
 208             /*
 209              * Printing level 1 entries is redundant, it's the default,
 210              * unless there's preserve info.
 211              */
 212             if (entry->level == 0 && entry->preserve.mods == 0)
 213                 continue;
 214
 215             str = ModMaskText(keymap, entry->mods.mods);
 216             write_buf(buf, "\t\tmap[%s]= Level%d;\n",
 217                       str, entry->level + 1);
 218
 219             if (entry->preserve.mods)
 220                 write_buf(buf, "\t\tpreserve[%s]= %s;\n",
 221                           str, ModMaskText(keymap, entry->preserve.mods));
 222         }
 223
 224         for (xkb_level_index_t n = 0; n < type->num_levels; n++)
 225             if (type->level_names[n])
 226                 write_buf(buf, "\t\tlevel_name[Level%d]= \"%s\";\n", n + 1,
 227                           xkb_atom_text(keymap->ctx, type->level_names[n]));
 228
 229         write_buf(buf, "\t};\n");
 230     }
 231
 232     write_buf(buf, "};\n\n");
 233     return true;
 234 }
 235
 236 static bool
 237 write_led_map(struct xkb_keymap *keymap, struct buf *buf,
 238               const struct xkb_led *led)
 239 {
 240     write_buf(buf, "\tindicator \"%s\" {\n",
 241               xkb_atom_text(keymap->ctx, led->name));
 242
 243     if (led->which_groups) {
 244         if (led->which_groups != XKB_STATE_LAYOUT_EFFECTIVE) {
 245             write_buf(buf, "\t\twhichGroupState= %s;\n",
 246                       LedStateMaskText(keymap->ctx, led->which_groups));
 247         }
 248         write_buf(buf, "\t\tgroups= 0x%02x;\n",
 249                   led->groups);
 250     }
 251
 252     if (led->which_mods) {
 253         if (led->which_mods != XKB_STATE_MODS_EFFECTIVE) {
 254             write_buf(buf, "\t\twhichModState= %s;\n",
 255                       LedStateMaskText(keymap->ctx, led->which_mods));
 256         }
 257         write_buf(buf, "\t\tmodifiers= %s;\n",
 258                   ModMaskText(keymap, led->mods.mods));
 259     }
 260
 261     if (led->ctrls) {
 262         write_buf(buf, "\t\tcontrols= %s;\n",
 263                   ControlMaskText(keymap->ctx, led->ctrls));
 264     }
 265
 266     write_buf(buf, "\t};\n");
 267     return true;
 268 }
 269
 270 static bool
 271 write_action(struct xkb_keymap *keymap, struct buf *buf,
 272              const union xkb_action *action,
 273              const char *prefix, const char *suffix)
 274 {
 275     const char *type;
 276     const char *args = NULL;
 277
 278     if (!prefix)
 279         prefix = "";
 280     if (!suffix)
 281         suffix = "";
 282
 283     type = ActionTypeText(action->type);
 284
 285     switch (action->type) {
 286     case ACTION_TYPE_MOD_SET:
 287     case ACTION_TYPE_MOD_LATCH:
 288     case ACTION_TYPE_MOD_LOCK:
 289         if (action->mods.flags & ACTION_MODS_LOOKUP_MODMAP)
 290             args = "modMapMods";
 291         else
 292             args = ModMaskText(keymap, action->mods.mods.mods);
 293         write_buf(buf, "%s%s(modifiers=%s%s%s)%s", prefix, type, args,
 294                   (action->type != ACTION_TYPE_MOD_LOCK &&
 295                    (action->mods.flags & ACTION_LOCK_CLEAR)) ?
 296                    ",clearLocks" : "",
 297                   (action->type != ACTION_TYPE_MOD_LOCK &&
 298                    (action->mods.flags & ACTION_LATCH_TO_LOCK)) ?
 299                    ",latchToLock" : "",
 300                   suffix);
 301         break;
 302
 303     case ACTION_TYPE_GROUP_SET:
 304     case ACTION_TYPE_GROUP_LATCH:
 305     case ACTION_TYPE_GROUP_LOCK:
 306         write_buf(buf, "%s%s(group=%s%d%s%s)%s", prefix, type,
 307                   (!(action->group.flags & ACTION_ABSOLUTE_SWITCH) &&
 308                    action->group.group > 0) ? "+" : "",
 309                   (action->group.flags & ACTION_ABSOLUTE_SWITCH) ?
 310                   action->group.group + 1 : action->group.group,
 311                   (action->type != ACTION_TYPE_GROUP_LOCK &&
 312                    (action->group.flags & ACTION_LOCK_CLEAR)) ?
 313                   ",clearLocks" : "",
 314                   (action->type != ACTION_TYPE_GROUP_LOCK &&
 315                    (action->group.flags & ACTION_LATCH_TO_LOCK)) ?
 316                   ",latchToLock" : "",
 317                   suffix);
 318         break;
 319
 320     case ACTION_TYPE_TERMINATE:
 321         write_buf(buf, "%s%s()%s", prefix, type, suffix);
 322         break;
 323
 324     case ACTION_TYPE_PTR_MOVE:
 325         write_buf(buf, "%s%s(x=%s%d,y=%s%d%s)%s", prefix, type,
 326                   (!(action->ptr.flags & ACTION_ABSOLUTE_X) &&
 327                    action->ptr.x >= 0) ? "+" : "",
 328                   action->ptr.x,
 329                   (!(action->ptr.flags & ACTION_ABSOLUTE_Y) &&
 330                    action->ptr.y >= 0) ? "+" : "",
 331                   action->ptr.y,
 332                   (action->ptr.flags & ACTION_NO_ACCEL) ? ",!accel" : "",
 333                   suffix);
 334         break;
 335
 336     case ACTION_TYPE_PTR_LOCK:
 337         switch (action->btn.flags &
 338                  (ACTION_LOCK_NO_LOCK | ACTION_LOCK_NO_UNLOCK)) {
 339         case ACTION_LOCK_NO_UNLOCK:
 340             args = ",affect=lock";
 341             break;
 342
 343         case ACTION_LOCK_NO_LOCK:
 344             args = ",affect=unlock";
 345             break;
 346
 347         case ACTION_LOCK_NO_LOCK | ACTION_LOCK_NO_UNLOCK:
 348             args = ",affect=neither";
 349             break;
 350
 351         default:
 352             args = ",affect=both";
 353             break;
 354         }
 355     case ACTION_TYPE_PTR_BUTTON:
 356         write_buf(buf, "%s%s(button=", prefix, type);
 357         if (action->btn.button > 0 && action->btn.button <= 5)
 358             write_buf(buf, "%d", action->btn.button);
 359         else
 360             write_buf(buf, "default");
 361         if (action->btn.count)
 362             write_buf(buf, ",count=%d", action->btn.count);
 363         if (args)
 364             write_buf(buf, "%s", args);
 365         write_buf(buf, ")%s", suffix);
 366         break;
 367
 368     case ACTION_TYPE_PTR_DEFAULT:
 369         write_buf(buf, "%s%s(", prefix, type);
 370         write_buf(buf, "affect=button,button=%s%d",
 371                   (!(action->dflt.flags & ACTION_ABSOLUTE_SWITCH) &&
 372                    action->dflt.value >= 0) ? "+" : "",
 373                   action->dflt.value);
 374         write_buf(buf, ")%s", suffix);
 375         break;
 376
 377     case ACTION_TYPE_SWITCH_VT:
 378         write_buf(buf, "%s%s(screen=%s%d,%ssame)%s", prefix, type,
 379                   (!(action->screen.flags & ACTION_ABSOLUTE_SWITCH) &&
 380                    action->screen.screen >= 0) ? "+" : "",
 381                   action->screen.screen,
 382                   (action->screen.flags & ACTION_SAME_SCREEN) ? "!" : "",
 383                   suffix);
 384         break;
 385
 386     case ACTION_TYPE_CTRL_SET:
 387     case ACTION_TYPE_CTRL_LOCK:
 388         write_buf(buf, "%s%s(controls=%s)%s", prefix, type,
 389                   ControlMaskText(keymap->ctx, action->ctrls.ctrls), suffix);
 390         break;
 391
 392     case ACTION_TYPE_NONE:
 393         write_buf(buf, "%sNoAction()%s", prefix, suffix);
 394         break;
 395
 396     default:
 397         write_buf(buf,
 398                   "%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",
 399                   prefix, type, action->type, action->priv.data[0],
 400                   action->priv.data[1], action->priv.data[2],
 401                   action->priv.data[3], action->priv.data[4],
 402                   action->priv.data[5], action->priv.data[6],
 403                   suffix);
 404         break;
 405     }
 406
 407     return true;
 408 }
 409
 410 static bool
 411 write_compat(struct xkb_keymap *keymap, struct buf *buf)
 412 {
 413     const struct xkb_sym_interpret *si;
 414     const struct xkb_led *led;
 415
 416     if (keymap->compat_section_name)
 417         write_buf(buf, "xkb_compatibility \"%s\" {\n",
 418                   keymap->compat_section_name);
 419     else
 420         write_buf(buf, "xkb_compatibility {\n");
 421
 422     write_vmods(keymap, buf);
 423
 424     write_buf(buf, "\tinterpret.useModMapMods= AnyLevel;\n");
 425     write_buf(buf, "\tinterpret.repeat= False;\n");
 426
 427     darray_foreach(si, keymap->sym_interprets) {
 428         write_buf(buf, "\tinterpret %s+%s(%s) {\n",
 429                   si->sym ? KeysymText(keymap->ctx, si->sym) : "Any",
 430                   SIMatchText(si->match),
 431                   ModMaskText(keymap, si->mods));
 432
 433         if (si->virtual_mod != XKB_MOD_INVALID)
 434             write_buf(buf, "\t\tvirtualModifier= %s;\n",
 435                       ModIndexText(keymap, si->virtual_mod));
 436
 437         if (si->level_one_only)
 438             write_buf(buf, "\t\tuseModMapMods=level1;\n");
 439
 440         if (si->repeat)
 441             write_buf(buf, "\t\trepeat= True;\n");
 442
 443         write_action(keymap, buf, &si->action, "\t\taction= ", ";\n");
 444         write_buf(buf, "\t};\n");
 445     }
 446
 447     darray_foreach(led, keymap->leds)
 448         if (led->which_groups || led->groups || led->which_mods ||
 449             led->mods.mods || led->ctrls)
 450             write_led_map(keymap, buf, led);
 451
 452     write_buf(buf, "};\n\n");
 453
 454     return true;
 455 }
 456
 457 static bool
 458 write_keysyms(struct xkb_keymap *keymap, struct buf *buf,
 459               const struct xkb_key *key, xkb_layout_index_t group)
 460 {
 461     for (xkb_level_index_t level = 0; level < XkbKeyGroupWidth(key, group);
 462          level++) {
 463         const xkb_keysym_t *syms;
 464         int num_syms;
 465
 466         if (level != 0)
 467             write_buf(buf, ", ");
 468
 469         num_syms = xkb_keymap_key_get_syms_by_level(keymap, key->keycode,
 470                                                     group, level, &syms);
 471         if (num_syms == 0) {
 472             write_buf(buf, "%15s", "NoSymbol");
 473         }
 474         else if (num_syms == 1) {
 475             write_buf(buf, "%15s", KeysymText(keymap->ctx, syms[0]));
 476         }
 477         else {
 478             write_buf(buf, "{ ");
 479             for (int s = 0; s < num_syms; s++) {
 480                 if (s != 0)
 481                     write_buf(buf, ", ");
 482                 write_buf(buf, "%s", KeysymText(keymap->ctx, syms[s]));
 483             }
 484             write_buf(buf, " }");
 485         }
 486     }
 487
 488     return true;
 489 }
 490
 491 static bool
 492 write_key(struct xkb_keymap *keymap, struct buf *buf,
 493           const struct xkb_key *key)
 494 {
 495     xkb_layout_index_t group;
 496     bool simple = true;
 497     bool explicit_types = false;
 498     bool multi_type = false;
 499     bool show_actions;
 500
 501     write_buf(buf, "\tkey %-20s {", KeyNameText(keymap->ctx, key->name));
 502
 503     for (group = 0; group < key->num_groups; group++) {
 504         if (key->groups[group].explicit_type)
 505             explicit_types = true;
 506
 507         if (group != 0 && key->groups[group].type != key->groups[0].type)
 508             multi_type = true;
 509     }
 510
 511     if (explicit_types) {
 512         const struct xkb_key_type *type;
 513         simple = false;
 514
 515         if (multi_type) {
 516             for (group = 0; group < key->num_groups; group++) {
 517                 if (!key->groups[group].explicit_type)
 518                     continue;
 519
 520                 type = key->groups[group].type;
 521                 write_buf(buf, "\n\t\ttype[group%u]= \"%s\",",
 522                             group + 1,
 523                             xkb_atom_text(keymap->ctx, type->name));
 524             }
 525         }
 526         else {
 527             type = key->groups[0].type;
 528             write_buf(buf, "\n\t\ttype= \"%s\",",
 529                         xkb_atom_text(keymap->ctx, type->name));
 530         }
 531     }
 532
 533     if (key->explicit & EXPLICIT_REPEAT) {
 534         if (key->repeats)
 535             write_buf(buf, "\n\t\trepeat= Yes,");
 536         else
 537             write_buf(buf, "\n\t\trepeat= No,");
 538         simple = false;
 539     }
 540
 541     if (key->vmodmap && (key->explicit & EXPLICIT_VMODMAP))
 542         write_buf(buf, "\n\t\tvirtualMods= %s,",
 543                     ModMaskText(keymap, key->vmodmap));
 544
 545     switch (key->out_of_range_group_action) {
 546     case RANGE_SATURATE:
 547         write_buf(buf, "\n\t\tgroupsClamp,");
 548         break;
 549
 550     case RANGE_REDIRECT:
 551         write_buf(buf, "\n\t\tgroupsRedirect= Group%u,",
 552                     key->out_of_range_group_number + 1);
 553         break;
 554
 555     default:
 556         break;
 557     }
 558
 559     show_actions = !!(key->explicit & EXPLICIT_INTERP);
 560
 561     if (key->num_groups > 1 || show_actions)
 562         simple = false;
 563
 564     if (simple) {
 565         write_buf(buf, "\t[ ");
 566         if (!write_keysyms(keymap, buf, key, 0))
 567             return false;
 568         write_buf(buf, " ] };\n");
 569     }
 570     else {
 571         xkb_level_index_t level;
 572
 573         for (group = 0; group < key->num_groups; group++) {
 574             if (group != 0)
 575                 write_buf(buf, ",");
 576             write_buf(buf, "\n\t\tsymbols[Group%u]= [ ", group + 1);
 577             if (!write_keysyms(keymap, buf, key, group))
 578                 return false;
 579             write_buf(buf, " ]");
 580             if (show_actions) {
 581                 write_buf(buf, ",\n\t\tactions[Group%u]= [ ", group + 1);
 582                 for (level = 0;
 583                         level < XkbKeyGroupWidth(key, group); level++) {
 584                     if (level != 0)
 585                         write_buf(buf, ", ");
 586                     write_action(keymap, buf,
 587                                     &key->groups[group].levels[level].action,
 588                                     NULL, NULL);
 589                 }
 590                 write_buf(buf, " ]");
 591             }
 592         }
 593         write_buf(buf, "\n\t};\n");
 594     }
 595
 596     return true;
 597 }
 598
 599 static bool
 600 write_symbols(struct xkb_keymap *keymap, struct buf *buf)
 601 {
 602     const struct xkb_key *key;
 603     xkb_layout_index_t group;
 604
 605     if (keymap->symbols_section_name)
 606         write_buf(buf, "xkb_symbols \"%s\" {\n",
 607                   keymap->symbols_section_name);
 608     else
 609         write_buf(buf, "xkb_symbols {\n");
 610
 611     for (group = 0; group < keymap->num_group_names; group++)
 612         if (keymap->group_names[group])
 613             write_buf(buf,
 614                       "\tname[group%d]=\"%s\";\n", group + 1,
 615                       xkb_atom_text(keymap->ctx, keymap->group_names[group]));
 616     if (group > 0)
 617         write_buf(buf, "\n");
 618
 619     xkb_foreach_key(key, keymap)
 620         if (key->num_groups > 0)
 621             write_key(keymap, buf, key);
 622
 623     xkb_foreach_key(key, keymap) {
 624         xkb_mod_index_t i;
 625         const struct xkb_mod *mod;
 626
 627         if (key->modmap == 0)
 628             continue;
 629
 630         darray_enumerate(i, mod, keymap->mods)
 631             if (key->modmap & (1 << i))
 632                 write_buf(buf, "\tmodifier_map %s { %s };\n",
 633                           xkb_atom_text(keymap->ctx, mod->name),
 634                           KeyNameText(keymap->ctx, key->name));
 635     }
 636
 637     write_buf(buf, "};\n\n");
 638     return true;
 639 }
 640
 641 static bool
 642 write_keymap(struct xkb_keymap *keymap, struct buf *buf)
 643 {
 644     return (check_write_buf(buf, "xkb_keymap {\n") &&
 645             write_keycodes(keymap, buf) &&
 646             write_types(keymap, buf) &&
 647             write_compat(keymap, buf) &&
 648             write_symbols(keymap, buf) &&
 649             check_write_buf(buf, "};\n"));
 650 }
 651
 652 char *
 653 text_v1_keymap_get_as_string(struct xkb_keymap *keymap)
 654 {
 655     struct buf buf = { NULL, 0, 0 };
 656
 657     if (!write_keymap(keymap, &buf)) {
 658         free(buf.buf);
 659         return NULL;
 660     }
 661
 662     return buf.buf;
 663 }