src/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 <stdarg.h>
  53 #include <stdio.h>
  54 #include <ctype.h>
  55 #include <stdlib.h>
  56
  57 #include "xkb-priv.h"
  58 #include "text.h"
  59
  60 #define VMOD_HIDE_VALUE    0
  61 #define VMOD_SHOW_VALUE    1
  62 #define VMOD_COMMENT_VALUE 2
  63
  64 #define BUF_CHUNK_SIZE     4096
  65
  66 struct buf {
  67     char *buf;
  68     size_t size;
  69     size_t alloc;
  70 };
  71
  72 static bool
  73 do_realloc(struct buf *buf, size_t at_least)
  74 {
  75     char *new;
  76
  77     buf->alloc += BUF_CHUNK_SIZE;
  78     if (at_least >= BUF_CHUNK_SIZE)
  79         buf->alloc += at_least;
  80
  81     new = realloc(buf->buf, buf->alloc);
  82     if (!new)
  83         return false;
  84
  85     buf->buf = new;
  86     return true;
  87 }
  88
  89 ATTR_PRINTF(2, 3) static bool
  90 check_write_buf(struct buf *buf, const char *fmt, ...)
  91 {
  92     va_list args;
  93     int printed;
  94     size_t available;
  95
  96     available = buf->alloc - buf->size;
  97     va_start(args, fmt);
  98     printed = vsnprintf(buf->buf + buf->size, available, fmt, args);
  99     va_end(args);
 100
 101     if (printed < 0)
 102         goto err;
 103
 104     if (printed >= available)
 105         if (!do_realloc(buf, printed))
 106             goto err;
 107
 108     /* The buffer has enough space now. */
 109
 110     available = buf->alloc - buf->size;
 111     va_start(args, fmt);
 112     printed = vsnprintf(buf->buf + buf->size, available, fmt, args);
 113     va_end(args);
 114
 115     if (printed >= available || printed < 0)
 116         goto err;
 117
 118     buf->size += printed;
 119     return true;
 120
 121 err:
 122     free(buf->buf);
 123     buf->buf = NULL;
 124     return false;
 125 }
 126
 127 #define write_buf(buf, ...) do { \
 128     if (!check_write_buf(buf, __VA_ARGS__)) \
 129         return false; \
 130 } while (0)
 131
 132 static bool
 133 write_vmods(struct xkb_keymap *keymap, struct buf *buf)
 134 {
 135     int num_vmods = 0;
 136     int i;
 137
 138     for (i = 0; i < XKB_NUM_VIRTUAL_MODS; i++) {
 139         if (!keymap->vmod_names[i])
 140             continue;
 141         if (num_vmods == 0)
 142             write_buf(buf, "\t\tvirtual_modifiers ");
 143         else
 144             write_buf(buf, ",");
 145         write_buf(buf, "%s",
 146                   xkb_atom_text(keymap->ctx, keymap->vmod_names[i]));
 147         num_vmods++;
 148     }
 149
 150     if (num_vmods > 0)
 151         write_buf(buf, ";\n\n");
 152
 153     return true;
 154 }
 155
 156 #define GET_TEXT_BUF_SIZE 512
 157
 158 #define append_get_text(...) do { \
 159         int _size = snprintf(ret, GET_TEXT_BUF_SIZE, __VA_ARGS__); \
 160         if (_size >= GET_TEXT_BUF_SIZE) \
 161             return NULL; \
 162 } while (0)
 163
 164 static char *
 165 get_indicator_state_text(uint8_t which)
 166 {
 167     int i;
 168     static char ret[GET_TEXT_BUF_SIZE];
 169
 170     memset(ret, 0, GET_TEXT_BUF_SIZE);
 171
 172     if (which == 0) {
 173         strcpy(ret, "0");
 174         return NULL;
 175     }
 176
 177     for (i = 0; which != 0; i++) {
 178         const char *name;
 179
 180         if (!(which & (1 << i)))
 181             continue;
 182
 183         which &= ~(1 << i);
 184         name = LookupValue(modComponentMaskNames, (1 << i));
 185
 186         if (ret[0] != '\0')
 187             append_get_text("%s+%s", ret, name);
 188         else
 189             append_get_text("%s", name);
 190     }
 191
 192     return ret;
 193 }
 194
 195 static char *
 196 get_control_mask_text(uint32_t control_mask)
 197 {
 198     int i;
 199     static char ret[GET_TEXT_BUF_SIZE];
 200     const char *control_name;
 201
 202     memset(ret, 0, GET_TEXT_BUF_SIZE);
 203
 204     control_mask &= XkbAllBooleanCtrlsMask;
 205
 206     if (control_mask == 0) {
 207         strcpy(ret, "none");
 208         return ret;
 209     }
 210     else if (control_mask == XkbAllBooleanCtrlsMask) {
 211         strcpy(ret, "all");
 212         return ret;
 213     }
 214
 215     for (i = 0; control_mask; i++) {
 216         if (!(control_mask & (1 << i)))
 217             continue;
 218
 219         control_mask &= ~(1 << i);
 220         control_name = LookupValue(ctrlMaskNames, (1 << i));
 221
 222         if (ret[0] != '\0')
 223             append_get_text("%s+%s", ret, control_name);
 224         else
 225             append_get_text("%s", control_name);
 226     }
 227
 228     return ret;
 229 }
 230
 231 static bool
 232 write_keycodes(struct xkb_keymap *keymap, struct buf *buf)
 233 {
 234     struct xkb_key *key;
 235     struct xkb_key_alias *alias;
 236     int i;
 237
 238     if (keymap->keycodes_section_name)
 239         write_buf(buf, "\txkb_keycodes \"%s\" {\n",
 240                   keymap->keycodes_section_name);
 241     else
 242         write_buf(buf, "\txkb_keycodes {\n");
 243
 244     write_buf(buf, "\t\tminimum = %d;\n",
 245               keymap->min_key_code);
 246     write_buf(buf, "\t\tmaximum = %d;\n",
 247               keymap->max_key_code);
 248
 249     xkb_foreach_key(key, keymap) {
 250         if (key->name[0] == '\0')
 251             continue;
 252
 253         write_buf(buf, "\t\t%6s = %d;\n",
 254                   KeyNameText(key->name), XkbKeyGetKeycode(keymap, key));
 255     }
 256
 257     for (i = 0; i < XKB_NUM_INDICATORS; i++) {
 258         if (keymap->indicators[i].name == XKB_ATOM_NONE)
 259             continue;
 260         write_buf(buf, "\t\tindicator %d = \"%s\";\n", i + 1,
 261                   xkb_atom_text(keymap->ctx, keymap->indicators[i].name));
 262     }
 263
 264
 265     darray_foreach(alias, keymap->key_aliases)
 266         write_buf(buf, "\t\talias %6s = %6s;\n",
 267                   KeyNameText(alias->alias),
 268                   KeyNameText(alias->real));
 269
 270     write_buf(buf, "\t};\n\n");
 271     return true;
 272 }
 273
 274 static bool
 275 write_types(struct xkb_keymap *keymap, struct buf *buf)
 276 {
 277     unsigned int i, j;
 278     xkb_level_index_t n;
 279     struct xkb_key_type *type;
 280     struct xkb_kt_map_entry *entry;
 281
 282     if (keymap->types_section_name)
 283         write_buf(buf, "\txkb_types \"%s\" {\n\n",
 284                   keymap->types_section_name);
 285     else
 286         write_buf(buf, "\txkb_types {\n\n");
 287
 288     write_vmods(keymap, buf);
 289
 290     for (i = 0; i < keymap->num_types; i++) {
 291         type = &keymap->types[i];
 292
 293         write_buf(buf, "\t\ttype \"%s\" {\n",
 294                   xkb_atom_text(keymap->ctx, type->name));
 295         write_buf(buf, "\t\t\tmodifiers= %s;\n",
 296                   VModMaskText(keymap, type->mods.mods));
 297
 298         for (j = 0; j < type->num_entries; j++) {
 299             const char *str;
 300             entry = &type->map[j];
 301
 302             /*
 303              * Printing level 1 entries is redundant, it's the default,
 304              * unless there's preserve info.
 305              */
 306             if (entry->level == 0 && entry->preserve.mods == 0)
 307                 continue;
 308
 309             str = VModMaskText(keymap, entry->mods.mods);
 310             write_buf(buf, "\t\t\tmap[%s]= Level%d;\n",
 311                       str, entry->level + 1);
 312
 313             if (entry->preserve.mods == 0)
 314                 continue;
 315
 316             write_buf(buf, "\t\t\tpreserve[%s]= ", str);
 317             write_buf(buf, "%s;\n", VModMaskText(keymap, entry->preserve.mods));
 318         }
 319
 320         if (type->level_names) {
 321             for (n = 0; n < type->num_levels; n++) {
 322                 if (!type->level_names[n])
 323                     continue;
 324                 write_buf(buf, "\t\t\tlevel_name[Level%d]= \"%s\";\n", n + 1,
 325                           xkb_atom_text(keymap->ctx, type->level_names[n]));
 326             }
 327         }
 328         write_buf(buf, "\t\t};\n");
 329     }
 330
 331     write_buf(buf, "\t};\n\n");
 332     return true;
 333 }
 334
 335 static bool
 336 write_indicator_map(struct xkb_keymap *keymap, struct buf *buf, int num)
 337 {
 338     struct xkb_indicator_map *led = &keymap->indicators[num];
 339
 340     write_buf(buf, "\t\tindicator \"%s\" {\n",
 341               xkb_atom_text(keymap->ctx, keymap->indicators[num].name));
 342
 343     if (led->which_groups) {
 344         if (led->which_groups != XKB_STATE_EFFECTIVE) {
 345             write_buf(buf, "\t\t\twhichGroupState= %s;\n",
 346                       get_indicator_state_text(led->which_groups));
 347         }
 348         write_buf(buf, "\t\t\tgroups= 0x%02x;\n",
 349                   led->groups);
 350     }
 351
 352     if (led->which_mods) {
 353         if (led->which_mods != XKB_STATE_EFFECTIVE) {
 354             write_buf(buf, "\t\t\twhichModState= %s;\n",
 355                       get_indicator_state_text(led->which_mods));
 356         }
 357         write_buf(buf, "\t\t\tmodifiers= %s;\n",
 358                   VModMaskText(keymap, led->mods.mods));
 359     }
 360
 361     if (led->ctrls) {
 362         write_buf(buf, "\t\t\tcontrols= %s;\n",
 363                   get_control_mask_text(led->ctrls));
 364     }
 365
 366     write_buf(buf, "\t\t};\n");
 367     return true;
 368 }
 369
 370 static bool
 371 write_action(struct xkb_keymap *keymap, struct buf *buf,
 372              union xkb_action *action, const char *prefix, const char *suffix)
 373 {
 374     const char *type;
 375     const char *args = NULL;
 376
 377     if (!prefix)
 378         prefix = "";
 379     if (!suffix)
 380         suffix = "";
 381
 382     type = ActionTypeText(action->type);
 383
 384     switch (action->type) {
 385     case ACTION_TYPE_MOD_SET:
 386     case ACTION_TYPE_MOD_LATCH:
 387     case ACTION_TYPE_MOD_LOCK:
 388         if (action->mods.flags & ACTION_MODS_LOOKUP_MODMAP)
 389             args = "modMapMods";
 390         else
 391             args = VModMaskText(keymap, action->mods.mods.mods);
 392         write_buf(buf, "%s%s(modifiers=%s%s%s)%s", prefix, type, args,
 393                   (action->type != ACTION_TYPE_MOD_LOCK &&
 394                    (action->mods.flags & ACTION_LOCK_CLEAR)) ?
 395                    ",clearLocks" : "",
 396                   (action->type != ACTION_TYPE_MOD_LOCK &&
 397                    (action->mods.flags & ACTION_LATCH_TO_LOCK)) ?
 398                    ",latchToLock" : "",
 399                   suffix);
 400         break;
 401
 402     case ACTION_TYPE_GROUP_SET:
 403     case ACTION_TYPE_GROUP_LATCH:
 404     case ACTION_TYPE_GROUP_LOCK:
 405         write_buf(buf, "%s%s(group=%s%d%s%s)%s", prefix, type,
 406                   (!(action->group.flags & ACTION_ABSOLUTE_SWITCH) &&
 407                    action->group.group > 0) ? "+" : "",
 408                   (action->group.flags & ACTION_ABSOLUTE_SWITCH) ?
 409                   action->group.group + 1 : action->group.group,
 410                   (action->type != ACTION_TYPE_GROUP_LOCK &&
 411                    (action->group.flags & ACTION_LOCK_CLEAR)) ?
 412                   ",clearLocks" : "",
 413                   (action->type != ACTION_TYPE_GROUP_LOCK &&
 414                    (action->group.flags & ACTION_LATCH_TO_LOCK)) ?
 415                   ",latchToLock" : "",
 416                   suffix);
 417         break;
 418
 419     case ACTION_TYPE_TERMINATE:
 420         write_buf(buf, "%s%s()%s", prefix, type, suffix);
 421         break;
 422
 423     case ACTION_TYPE_PTR_MOVE:
 424         write_buf(buf, "%s%s(x=%s%d,y=%s%d%s)%s", prefix, type,
 425                   (!(action->ptr.flags & ACTION_ABSOLUTE_X) &&
 426                    action->ptr.x >= 0) ? "+" : "",
 427                   action->ptr.x,
 428                   (!(action->ptr.flags & ACTION_ABSOLUTE_Y) &&
 429                    action->ptr.y >= 0) ? "+" : "",
 430                   action->ptr.y,
 431                   (action->ptr.flags & ACTION_NO_ACCEL) ? ",!accel" : "",
 432                   suffix);
 433         break;
 434
 435     case ACTION_TYPE_PTR_LOCK:
 436         switch (action->btn.flags &
 437                  (ACTION_LOCK_NO_LOCK | ACTION_LOCK_NO_UNLOCK)) {
 438         case ACTION_LOCK_NO_UNLOCK:
 439             args = ",affect=lock";
 440             break;
 441
 442         case ACTION_LOCK_NO_LOCK:
 443             args = ",affect=unlock";
 444             break;
 445
 446         case ACTION_LOCK_NO_LOCK | ACTION_LOCK_NO_UNLOCK:
 447             args = ",affect=neither";
 448             break;
 449
 450         default:
 451             args = ",affect=both";
 452             break;
 453         }
 454     case ACTION_TYPE_PTR_BUTTON:
 455         write_buf(buf, "%s%s(button=", prefix, type);
 456         if (action->btn.button > 0 && action->btn.button <= 5)
 457             write_buf(buf, "%d", action->btn.button);
 458         else
 459             write_buf(buf, "default");
 460         if (action->btn.count)
 461             write_buf(buf, ",count=%d", action->btn.count);
 462         if (args)
 463             write_buf(buf, "%s", args);
 464         write_buf(buf, ")%s", suffix);
 465         break;
 466
 467     case ACTION_TYPE_PTR_DEFAULT:
 468         write_buf(buf, "%s%s(", prefix, type);
 469         write_buf(buf, "affect=button,button=%s%d",
 470                   (!(action->dflt.flags & ACTION_ABSOLUTE_SWITCH) &&
 471                    action->dflt.value >= 0) ? "+" : "",
 472                   action->dflt.value);
 473         write_buf(buf, ")%s", suffix);
 474         break;
 475
 476     case ACTION_TYPE_SWITCH_VT:
 477         write_buf(buf, "%s%s(screen=%s%d,%ssame)%s", prefix, type,
 478                   (!(action->screen.flags & ACTION_ABSOLUTE_SWITCH) &&
 479                    action->screen.screen >= 0) ? "+" : "",
 480                   action->screen.screen,
 481                   (action->screen.flags & ACTION_SAME_SCREEN) ? "!" : "",
 482                   suffix);
 483         break;
 484
 485     case ACTION_TYPE_CTRL_SET:
 486     case ACTION_TYPE_CTRL_LOCK:
 487         write_buf(buf, "%s%s(controls=%s)%s", prefix, type,
 488                   get_control_mask_text(action->ctrls.ctrls), suffix);
 489         break;
 490
 491     case ACTION_TYPE_NONE:
 492         write_buf(buf, "%sNoAction()%s", prefix, suffix);
 493         break;
 494
 495     default:
 496         write_buf(buf,
 497                   "%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",
 498                   prefix, type, action->type, action->priv.data[0],
 499                   action->priv.data[1], action->priv.data[2],
 500                   action->priv.data[3], action->priv.data[4],
 501                   action->priv.data[5], action->priv.data[6],
 502                   suffix);
 503         break;
 504     }
 505
 506     return true;
 507 }
 508
 509 static bool
 510 write_compat(struct xkb_keymap *keymap, struct buf *buf)
 511 {
 512     int i;
 513     struct xkb_sym_interpret *interp;
 514
 515     if (keymap->compat_section_name)
 516         write_buf(buf, "\txkb_compatibility \"%s\" {\n\n",
 517                   keymap->compat_section_name);
 518     else
 519         write_buf(buf, "\txkb_compatibility {\n\n");
 520
 521     write_vmods(keymap, buf);
 522
 523     write_buf(buf, "\t\tinterpret.useModMapMods= AnyLevel;\n");
 524     write_buf(buf, "\t\tinterpret.repeat= False;\n");
 525
 526     darray_foreach(interp, keymap->sym_interpret) {
 527         char keysym_name[64];
 528
 529         if (interp->sym == XKB_KEY_NoSymbol)
 530             sprintf(keysym_name, "Any");
 531         else
 532             xkb_keysym_get_name(interp->sym, keysym_name, sizeof(keysym_name));
 533
 534         write_buf(buf, "\t\tinterpret %s+%s(%s) {\n",
 535                   keysym_name,
 536                   SIMatchText(interp->match),
 537                   VModMaskText(keymap, interp->mods));
 538
 539         if (interp->virtual_mod != XKB_MOD_INVALID) {
 540             write_buf(buf, "\t\t\tvirtualModifier= %s;\n",
 541                       xkb_atom_text(keymap->ctx,
 542                                     keymap->vmod_names[interp->virtual_mod]));
 543         }
 544
 545         if (interp->match & XkbSI_LevelOneOnly)
 546             write_buf(buf,
 547                       "\t\t\tuseModMapMods=level1;\n");
 548         if (interp->flags & XkbSI_AutoRepeat)
 549             write_buf(buf, "\t\t\trepeat= True;\n");
 550
 551         write_action(keymap, buf, &interp->act, "\t\t\taction= ", ";\n");
 552         write_buf(buf, "\t\t};\n");
 553     }
 554
 555     for (i = 0; i < XKB_NUM_INDICATORS; i++) {
 556         struct xkb_indicator_map *map = &keymap->indicators[i];
 557         if (map->which_groups == 0 && map->groups == 0 &&
 558             map->which_mods == 0 && map->mods.mods == 0 &&
 559             map->ctrls == 0)
 560             continue;
 561         write_indicator_map(keymap, buf, i);
 562     }
 563
 564     write_buf(buf, "\t};\n\n");
 565
 566     return true;
 567 }
 568
 569 static bool
 570 write_keysyms(struct xkb_keymap *keymap, struct buf *buf,
 571               struct xkb_key *key, xkb_group_index_t group)
 572 {
 573     const xkb_keysym_t *syms;
 574     int num_syms;
 575     xkb_level_index_t level;
 576 #define OUT_BUF_LEN 128
 577     char out_buf[OUT_BUF_LEN];
 578
 579     for (level = 0; level < XkbKeyGroupWidth(keymap, key, group); level++) {
 580         if (level != 0)
 581             write_buf(buf, ", ");
 582         num_syms = xkb_key_get_syms_by_level(keymap, key, group, level,
 583                                              &syms);
 584         if (num_syms == 0) {
 585             write_buf(buf, "%15s", "NoSymbol");
 586         }
 587         else if (num_syms == 1) {
 588             xkb_keysym_get_name(syms[0], out_buf, OUT_BUF_LEN);
 589             write_buf(buf, "%15s", out_buf);
 590         }
 591         else {
 592             int s;
 593             write_buf(buf, "{ ");
 594             for (s = 0; s < num_syms; s++) {
 595                 if (s != 0)
 596                     write_buf(buf, ", ");
 597                 xkb_keysym_get_name(syms[s], out_buf, OUT_BUF_LEN);
 598                 write_buf(buf, "%15s", out_buf);
 599             }
 600             write_buf(buf, " }");
 601         }
 602     }
 603 #undef OUT_BUF_LEN
 604
 605     return true;
 606 }
 607
 608 static bool
 609 write_symbols(struct xkb_keymap *keymap, struct buf *buf)
 610 {
 611     struct xkb_key *key;
 612     xkb_group_index_t group, tmp;
 613     bool showActions;
 614
 615     if (keymap->symbols_section_name)
 616         write_buf(buf, "\txkb_symbols \"%s\" {\n\n",
 617                   keymap->symbols_section_name);
 618     else
 619         write_buf(buf, "\txkb_symbols {\n\n");
 620
 621     for (tmp = group = 0; group < XKB_NUM_GROUPS; group++) {
 622         if (!keymap->group_names[group])
 623             continue;
 624         write_buf(buf,
 625                   "\t\tname[group%d]=\"%s\";\n", group + 1,
 626                   xkb_atom_text(keymap->ctx, keymap->group_names[group]));
 627         tmp++;
 628     }
 629     if (tmp > 0)
 630         write_buf(buf, "\n");
 631
 632     xkb_foreach_key(key, keymap) {
 633         bool simple = true;
 634
 635         if (key->num_groups == 0)
 636             continue;
 637
 638         write_buf(buf, "\t\tkey %6s {", KeyNameText(key->name));
 639
 640         if (key->explicit & XkbExplicitKeyTypesMask) {
 641             bool multi_type = false;
 642             struct xkb_key_type *type = XkbKeyType(keymap, key, 0);
 643
 644             simple = false;
 645
 646             for (group = 1; group < key->num_groups; group++) {
 647                 if (XkbKeyType(keymap, key, group) != type) {
 648                     multi_type = true;
 649                     break;
 650                 }
 651             }
 652
 653             if (multi_type) {
 654                 for (group = 0; group < key->num_groups; group++) {
 655                     if (!(key->explicit & (1 << group)))
 656                         continue;
 657                     type = XkbKeyType(keymap, key, group);
 658                     write_buf(buf, "\n\t\t\ttype[group%u]= \"%s\",",
 659                               group + 1,
 660                               xkb_atom_text(keymap->ctx, type->name));
 661                 }
 662             }
 663             else {
 664                 write_buf(buf, "\n\t\t\ttype= \"%s\",",
 665                           xkb_atom_text(keymap->ctx, type->name));
 666             }
 667         }
 668
 669         if (key->explicit & XkbExplicitAutoRepeatMask) {
 670             if (key->repeats)
 671                 write_buf(buf, "\n\t\t\trepeat= Yes,");
 672             else
 673                 write_buf(buf, "\n\t\t\trepeat= No,");
 674             simple = false;
 675         }
 676
 677         if (key->vmodmap && (key->explicit & XkbExplicitVModMapMask)) {
 678             /* XXX: vmodmap cmask? */
 679             write_buf(buf, "\n\t\t\tvirtualMods= %s,",
 680                       VModMaskText(keymap, key->vmodmap << XKB_NUM_CORE_MODS));
 681         }
 682
 683         switch (key->out_of_range_group_action) {
 684         case XkbClampIntoRange:
 685             write_buf(buf, "\n\t\t\tgroupsClamp,");
 686             break;
 687
 688         case XkbRedirectIntoRange:
 689             write_buf(buf, "\n\t\t\tgroupsRedirect= Group%u,",
 690                       key->out_of_range_group_number + 1);
 691             break;
 692         }
 693
 694         if (key->explicit & XkbExplicitInterpretMask)
 695             showActions = (key->actions != NULL);
 696         else
 697             showActions = false;
 698
 699         if (key->num_groups > 1 || showActions)
 700             simple = false;
 701
 702         if (simple) {
 703             write_buf(buf, "\t[ ");
 704             if (!write_keysyms(keymap, buf, key, 0))
 705                 return false;
 706             write_buf(buf, " ] };\n");
 707         }
 708         else {
 709             xkb_level_index_t level;
 710
 711             for (group = 0; group < key->num_groups; group++) {
 712                 if (group != 0)
 713                     write_buf(buf, ",");
 714                 write_buf(buf, "\n\t\t\tsymbols[Group%u]= [ ", group + 1);
 715                 if (!write_keysyms(keymap, buf, key, group))
 716                     return false;
 717                 write_buf(buf, " ]");
 718                 if (showActions) {
 719                     write_buf(buf, ",\n\t\t\tactions[Group%u]= [ ",
 720                               group + 1);
 721                     for (level = 0;
 722                          level < XkbKeyGroupWidth(keymap, key, group);
 723                          level++) {
 724                         if (level != 0)
 725                             write_buf(buf, ", ");
 726                         write_action(keymap, buf,
 727                                      XkbKeyActionEntry(key, group, level),
 728                                      NULL, NULL);
 729                     }
 730                     write_buf(buf, " ]");
 731                 }
 732             }
 733             write_buf(buf, "\n\t\t};\n");
 734         }
 735     }
 736
 737     xkb_foreach_key(key, keymap) {
 738         int mod;
 739
 740         if (key->modmap == 0)
 741             continue;
 742
 743         for (mod = 0; mod < XKB_NUM_CORE_MODS; mod++) {
 744             if (!(key->modmap & (1 << mod)))
 745                 continue;
 746
 747             write_buf(buf, "\t\tmodifier_map %s { %s };\n",
 748                       ModIndexToName(mod), KeyNameText(key->name));
 749         }
 750     }
 751
 752     write_buf(buf, "\t};\n\n");
 753     return true;
 754 }
 755
 756 XKB_EXPORT char *
 757 xkb_map_get_as_string(struct xkb_keymap *keymap)
 758 {
 759     bool ok;
 760     struct buf buf = { NULL, 0, 0 };
 761
 762     ok = (check_write_buf(&buf, "xkb_keymap {\n") &&
 763           write_keycodes(keymap, &buf) &&
 764           write_types(keymap, &buf) &&
 765           write_compat(keymap, &buf) &&
 766           write_symbols(keymap, &buf) &&
 767           check_write_buf(&buf, "};\n"));
 768
 769     return (ok ? buf.buf : NULL);
 770 }