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