kc3-lang/libxkbcommon/src/keymap-dump.c

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• Hash : 16f2de8b
  Author :
  Date : 2012-08-14T16:26:30
  

  compat: ignore "locking" field in sym interprets This field is used in conjunction with key behaviors, which we don't support since c1ea23da5. This is also unused in xkeyboard-config. Signed-off-by: Ran Benita <ran234@gmail.com>

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• src/keymap-dump.c

• /************************************************************
   * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
   *
   * Permission to use, copy, modify, and distribute this
   * software and its documentation for any purpose and without
   * fee is hereby granted, provided that the above copyright
   * notice appear in all copies and that both that copyright
   * notice and this permission notice appear in supporting
   * documentation, and that the name of Silicon Graphics not be
   * used in advertising or publicity pertaining to distribution
   * of the software without specific prior written permission.
   * Silicon Graphics makes no representation about the suitability
   * of this software for any purpose. It is provided "as is"
   * without any express or implied warranty.
   *
   * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
   * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
   * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
   * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
   * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
   * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
   * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
   * THE USE OR PERFORMANCE OF THIS SOFTWARE.
   *
   ********************************************************/
  
  /*
   * Copyright © 2012 Intel Corporation
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice (including the next
   * paragraph) shall be included in all copies or substantial portions of the
   * Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   * DEALINGS IN THE SOFTWARE.
   *
   * Author: Daniel Stone <daniel@fooishbar.org>
   */
  
  #include <stdarg.h>
  #include <stdio.h>
  #include <ctype.h>
  #include <stdlib.h>
  
  #include "xkb-priv.h"
  #include "text.h"
  
  #define VMOD_HIDE_VALUE    0
  #define VMOD_SHOW_VALUE    1
  #define VMOD_COMMENT_VALUE 2
  
  #define BUF_CHUNK_SIZE     4096
  
  struct buf {
      char *buf;
      size_t size;
      size_t alloc;
  };
  
  static bool
  do_realloc(struct buf *buf, size_t at_least)
  {
      char *new;
  
      buf->alloc += BUF_CHUNK_SIZE;
      if (at_least >= BUF_CHUNK_SIZE)
          buf->alloc += at_least;
  
      new = realloc(buf->buf, buf->alloc);
      if (!new)
          return false;
  
      buf->buf = new;
      return true;
  }
  
  ATTR_PRINTF(2, 3) static bool
  check_write_buf(struct buf *buf, const char *fmt, ...)
  {
      va_list args;
      int printed;
      size_t available;
  
      available = buf->alloc - buf->size;
      va_start(args, fmt);
      printed = vsnprintf(buf->buf + buf->size, available, fmt, args);
      va_end(args);
  
      if (printed < 0)
          goto err;
  
      if (printed >= available)
          if (!do_realloc(buf, printed))
              goto err;
  
      /* The buffer has enough space now. */
  
      available = buf->alloc - buf->size;
      va_start(args, fmt);
      printed = vsnprintf(buf->buf + buf->size, available, fmt, args);
      va_end(args);
  
      if (printed >= available || printed < 0)
          goto err;
  
      buf->size += printed;
      return true;
  
  err:
      free(buf->buf);
      buf->buf = NULL;
      return false;
  }
  
  #define write_buf(buf, ...) do { \
      if (!check_write_buf(buf, __VA_ARGS__)) \
          return false; \
  } while (0)
  
  static bool
  write_vmods(struct xkb_keymap *keymap, struct buf *buf)
  {
      int num_vmods = 0;
      int i;
  
      for (i = 0; i < XkbNumVirtualMods; i++) {
          if (!keymap->vmod_names[i])
              continue;
          if (num_vmods == 0)
              write_buf(buf, "\t\tvirtual_modifiers ");
          else
              write_buf(buf, ",");
          write_buf(buf, "%s", keymap->vmod_names[i]);
          num_vmods++;
      }
  
      if (num_vmods > 0)
          write_buf(buf, ";\n\n");
  
      return true;
  }
  
  #define GET_TEXT_BUF_SIZE 512
  
  #define append_get_text(...) do { \
          int _size = snprintf(ret, GET_TEXT_BUF_SIZE, __VA_ARGS__); \
          if (_size >= GET_TEXT_BUF_SIZE) \
              return NULL; \
  } while (0)
  
  static char *
  get_indicator_state_text(uint8_t which)
  {
      int i;
      static char ret[GET_TEXT_BUF_SIZE];
      /* FIXME: Merge with ... something ... in xkbcomp? */
      static const char *state_names[] = {
          "base",
          "latched",
          "locked",
          "effective",
          "compat"
      };
  
      memset(ret, 0, GET_TEXT_BUF_SIZE);
  
      which &= XkbIM_UseAnyMods;
  
      if (which == 0) {
          strcpy(ret, "0");
          return NULL;
      }
  
      for (i = 0; which != 0; i++) {
          if (!(which & (1 << i)))
              continue;
          which &= ~(1 << i);
  
          if (ret[0] != '\0')
              append_get_text("%s+%s", ret, state_names[i]);
          else
              append_get_text("%s", state_names[i]);
      }
  
      return ret;
  }
  
  static char *
  get_control_mask_text(uint32_t control_mask)
  {
      int i;
      static char ret[GET_TEXT_BUF_SIZE];
      /* FIXME: Merge with ... something ... in xkbcomp. */
      static const char *ctrl_names[] = {
          "RepeatKeys",
          "SlowKeys",
          "BounceKeys",
          "StickyKeys",
          "MouseKeys",
          "MouseKeysAccel",
          "AccessXKeys",
          "AccessXTimeout",
          "AccessXFeedback",
          "AudibleBell",
          "Overlay1",
          "Overlay2",
          "IgnoreGroupLock"
      };
  
      memset(ret, 0, GET_TEXT_BUF_SIZE);
  
      control_mask &= XkbAllBooleanCtrlsMask;
  
      if (control_mask == 0) {
          strcpy(ret, "none");
          return ret;
      }
      else if (control_mask == XkbAllBooleanCtrlsMask) {
          strcpy(ret, "all");
          return ret;
      }
  
      for (i = 0; control_mask; i++) {
          if (!(control_mask & (1 << i)))
              continue;
          control_mask &= ~(1 << i);
  
          if (ret[0] != '\0')
              append_get_text("%s+%s", ret, ctrl_names[i]);
          else
              append_get_text("%s", ctrl_names[i]);
      }
  
      return ret;
  }
  
  static bool
  write_keycodes(struct xkb_keymap *keymap, struct buf *buf)
  {
      struct xkb_key *key;
      struct xkb_key_alias *alias;
      int i;
  
      if (keymap->keycodes_section_name)
          write_buf(buf, "\txkb_keycodes \"%s\" {\n",
                    keymap->keycodes_section_name);
      else
          write_buf(buf, "\txkb_keycodes {\n");
  
      write_buf(buf, "\t\tminimum = %d;\n",
                keymap->min_key_code);
      write_buf(buf, "\t\tmaximum = %d;\n",
                keymap->max_key_code);
  
      xkb_foreach_key(key, keymap) {
          if (key->name[0] == '\0')
              continue;
  
          write_buf(buf, "\t\t%6s = %d;\n",
                    KeyNameText(key->name), XkbKeyGetKeycode(keymap, key));
      }
  
      for (i = 0; i < XkbNumIndicators; i++) {
          if (!keymap->indicator_names[i])
              continue;
          write_buf(buf, "\t\tindicator %d = \"%s\";\n",
                    i + 1, keymap->indicator_names[i]);
      }
  
  
      darray_foreach(alias, keymap->key_aliases)
          write_buf(buf, "\t\talias %6s = %6s;\n",
                    KeyNameText(alias->alias),
                    KeyNameText(alias->real));
  
      write_buf(buf, "\t};\n\n");
      return true;
  }
  
  static bool
  write_types(struct xkb_keymap *keymap, struct buf *buf)
  {
      unsigned int i, j;
      xkb_level_index_t n;
      struct xkb_key_type *type;
      struct xkb_kt_map_entry *entry;
  
      if (keymap->types_section_name)
          write_buf(buf, "\txkb_types \"%s\" {\n\n",
                    keymap->types_section_name);
      else
          write_buf(buf, "\txkb_types {\n\n");
  
      write_vmods(keymap, buf);
  
      for (i = 0; i < keymap->num_types; i++) {
          type = &keymap->types[i];
  
          write_buf(buf, "\t\ttype \"%s\" {\n",
                    xkb_atom_text(keymap->ctx, type->name));
          write_buf(buf, "\t\t\tmodifiers= %s;\n",
                    VModMaskText(keymap, type->mods.mods));
  
          for (j = 0; j < type->num_entries; j++) {
              const char *str;
              entry = &type->map[j];
  
              /*
               * Printing level 1 entries is redundant, it's the default,
               * unless there's preserve info.
               */
              if (entry->level == 0 && entry->preserve.mods == 0)
                  continue;
  
              str = VModMaskText(keymap, entry->mods.mods);
              write_buf(buf, "\t\t\tmap[%s]= Level%d;\n",
                        str, entry->level + 1);
  
              if (entry->preserve.mods == 0)
                  continue;
  
              write_buf(buf, "\t\t\tpreserve[%s]= ", str);
              write_buf(buf, "%s;\n", VModMaskText(keymap, entry->preserve.mods));
          }
  
          if (type->level_names) {
              for (n = 0; n < type->num_levels; n++) {
                  if (!type->level_names[n])
                      continue;
                  write_buf(buf, "\t\t\tlevel_name[Level%d]= \"%s\";\n", n + 1,
                            xkb_atom_text(keymap->ctx, type->level_names[n]));
              }
          }
          write_buf(buf, "\t\t};\n");
      }
  
      write_buf(buf, "\t};\n\n");
      return true;
  }
  
  static bool
  write_indicator_map(struct xkb_keymap *keymap, struct buf *buf, int num)
  {
      struct xkb_indicator_map *led = &keymap->indicators[num];
  
      write_buf(buf, "\t\tindicator \"%s\" {\n",
                keymap->indicator_names[num]);
  
      if (led->which_groups) {
          if (led->which_groups != XkbIM_UseEffective) {
              write_buf(buf, "\t\t\twhichGroupState= %s;\n",
                        get_indicator_state_text(led->which_groups));
          }
          write_buf(buf, "\t\t\tgroups= 0x%02x;\n",
                    led->groups);
      }
  
      if (led->which_mods) {
          if (led->which_mods != XkbIM_UseEffective) {
              write_buf(buf, "\t\t\twhichModState= %s;\n",
                        get_indicator_state_text(led->which_mods));
          }
          write_buf(buf, "\t\t\tmodifiers= %s;\n",
                    VModMaskText(keymap, led->mods.mods));
      }
  
      if (led->ctrls) {
          write_buf(buf, "\t\t\tcontrols= %s;\n",
                    get_control_mask_text(led->ctrls));
      }
  
      write_buf(buf, "\t\t};\n");
      return true;
  }
  
  static bool
  write_action(struct xkb_keymap *keymap, struct buf *buf,
               union xkb_action *action, const char *prefix, const char *suffix)
  {
      const char *type;
      const char *args = NULL;
  
      if (!prefix)
          prefix = "";
      if (!suffix)
          suffix = "";
  
      type = ActionTypeText(action->type);
  
      switch (action->type) {
      case XkbSA_SetMods:
      case XkbSA_LatchMods:
      case XkbSA_LockMods:
          if (action->mods.flags & XkbSA_UseModMapMods)
              args = "modMapMods";
          else
              args = VModMaskText(keymap, action->mods.mods.mods);
          write_buf(buf, "%s%s(modifiers=%s%s%s)%s", prefix, type, args,
                    (action->type != XkbSA_LockGroup &&
                     (action->mods.flags & XkbSA_ClearLocks)) ?
                     ",clearLocks" : "",
                    (action->type != XkbSA_LockGroup &&
                     (action->mods.flags & XkbSA_LatchToLock)) ?
                     ",latchToLock" : "",
                    suffix);
          break;
  
      case XkbSA_SetGroup:
      case XkbSA_LatchGroup:
      case XkbSA_LockGroup:
          write_buf(buf, "%s%s(group=%s%d%s%s)%s", prefix, type,
                    (!(action->group.flags & XkbSA_GroupAbsolute) &&
                     action->group.group > 0) ? "+" : "",
                    (action->group.flags & XkbSA_GroupAbsolute) ?
                    action->group.group + 1 : action->group.group,
                    (action->type != XkbSA_LockGroup &&
                     (action->group.flags & XkbSA_ClearLocks)) ?
                    ",clearLocks" : "",
                    (action->type != XkbSA_LockGroup &&
                     (action->group.flags & XkbSA_LatchToLock)) ?
                    ",latchToLock" : "",
                    suffix);
          break;
  
      case XkbSA_Terminate:
          write_buf(buf, "%s%s()%s", prefix, type, suffix);
          break;
  
      case XkbSA_MovePtr:
          write_buf(buf, "%s%s(x=%s%d,y=%s%d%s)%s", prefix, type,
                    (!(action->ptr.flags & XkbSA_MoveAbsoluteX) &&
                     action->ptr.x >= 0) ? "+" : "",
                    action->ptr.x,
                    (!(action->ptr.flags & XkbSA_MoveAbsoluteY) &&
                     action->ptr.y >= 0) ? "+" : "",
                    action->ptr.y,
                    (action->ptr.flags & XkbSA_NoAcceleration) ? ",!accel" : "",
                    suffix);
          break;
  
      case XkbSA_LockPtrBtn:
          switch (action->btn.flags & (XkbSA_LockNoUnlock | XkbSA_LockNoLock)) {
          case XkbSA_LockNoUnlock:
              args = ",affect=lock";
              break;
  
          case XkbSA_LockNoLock:
              args = ",affect=unlock";
              break;
  
          case XkbSA_LockNoLock | XkbSA_LockNoUnlock:
              args = ",affect=neither";
              break;
  
          default:
              args = ",affect=both";
              break;
          }
      case XkbSA_PtrBtn:
          write_buf(buf, "%s%s(button=", prefix, type);
          if (action->btn.button > 0 && action->btn.button <= 5)
              write_buf(buf, "%d", action->btn.button);
          else
              write_buf(buf, "default");
          if (action->btn.count)
              write_buf(buf, ",count=%d", action->btn.count);
          if (args)
              write_buf(buf, "%s", args);
          write_buf(buf, ")%s", suffix);
          break;
  
      case XkbSA_SetPtrDflt:
          write_buf(buf, "%s%s(", prefix, type);
          if (action->dflt.affect == XkbSA_AffectDfltBtn)
              write_buf(buf, "affect=button,button=%s%d",
                        (!(action->dflt.flags & XkbSA_DfltBtnAbsolute) &&
                         action->dflt.value >= 0) ? "+" : "",
                        action->dflt.value);
          write_buf(buf, ")%s", suffix);
          break;
  
      case XkbSA_SwitchScreen:
          write_buf(buf, "%s%s(screen=%s%d,%ssame)%s", prefix, type,
                    (!(action->screen.flags & XkbSA_SwitchAbsolute) &&
                     action->screen.screen >= 0) ? "+" : "",
                    action->screen.screen,
                    (action->screen.flags & XkbSA_SwitchApplication) ? "!" : "",
                    suffix);
          break;
  
      /* Deprecated actions below here */
      case XkbSA_SetControls:
      case XkbSA_LockControls:
          write_buf(buf, "%s%s(controls=%s)%s", prefix, type,
                    get_control_mask_text(action->ctrls.ctrls), suffix);
          break;
  
      case XkbSA_ISOLock:
      case XkbSA_ActionMessage:
      case XkbSA_RedirectKey:
      case XkbSA_DeviceBtn:
      case XkbSA_LockDeviceBtn:
      case XkbSA_NoAction:
          /* XXX TODO */
          write_buf(buf, "%sNoAction()%s", prefix, suffix);
          break;
  
      case XkbSA_XFree86Private:
      default:
          write_buf(buf,
                    "%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",
                    prefix, type, action->type, action->priv.data[0],
                    action->priv.data[1], action->priv.data[2],
                    action->priv.data[3], action->priv.data[4],
                    action->priv.data[5], action->priv.data[6],
                    suffix);
          break;
      }
  
      return true;
  }
  
  static bool
  write_compat(struct xkb_keymap *keymap, struct buf *buf)
  {
      int i;
      struct xkb_sym_interpret *interp;
  
      if (keymap->compat_section_name)
          write_buf(buf, "\txkb_compatibility \"%s\" {\n\n",
                    keymap->compat_section_name);
      else
          write_buf(buf, "\txkb_compatibility {\n\n");
  
      write_vmods(keymap, buf);
  
      write_buf(buf, "\t\tinterpret.useModMapMods= AnyLevel;\n");
      write_buf(buf, "\t\tinterpret.repeat= False;\n");
  
      darray_foreach(interp, keymap->sym_interpret) {
          char keysym_name[64];
  
          if (interp->sym == XKB_KEY_NoSymbol)
              sprintf(keysym_name, "Any");
          else
              xkb_keysym_get_name(interp->sym, keysym_name, sizeof(keysym_name));
  
          write_buf(buf, "\t\tinterpret %s+%s(%s) {\n",
                    keysym_name,
                    SIMatchText(interp->match),
                    VModMaskText(keymap, interp->mods));
  
          if (interp->virtual_mod != XkbNoModifier) {
              write_buf(buf, "\t\t\tvirtualModifier= %s;\n",
                        keymap->vmod_names[interp->virtual_mod]);
          }
  
          if (interp->match & XkbSI_LevelOneOnly)
              write_buf(buf,
                        "\t\t\tuseModMapMods=level1;\n");
          if (interp->flags & XkbSI_AutoRepeat)
              write_buf(buf, "\t\t\trepeat= True;\n");
  
          write_action(keymap, buf, &interp->act, "\t\t\taction= ", ";\n");
          write_buf(buf, "\t\t};\n");
      }
  
      for (i = 0; i < XkbNumKbdGroups; i++) {
          struct xkb_mods *gc;
  
          gc = &keymap->groups[i];
          if (gc->mods == 0)
              continue;
          write_buf(buf, "\t\tgroup %d = %s;\n", i + 1,
                    VModMaskText(keymap, gc->mods));
      }
  
      for (i = 0; i < XkbNumIndicators; i++) {
          struct xkb_indicator_map *map = &keymap->indicators[i];
          if (map->flags == 0 && map->which_groups == 0 &&
              map->groups == 0 && map->which_mods == 0 &&
              map->mods.mods == 0 && map->ctrls == 0)
              continue;
          write_indicator_map(keymap, buf, i);
      }
  
      write_buf(buf, "\t};\n\n");
  
      return true;
  }
  
  static bool
  write_keysyms(struct xkb_keymap *keymap, struct buf *buf,
                struct xkb_key *key, xkb_group_index_t group)
  {
      const xkb_keysym_t *syms;
      int num_syms;
      xkb_level_index_t level;
  #define OUT_BUF_LEN 128
      char out_buf[OUT_BUF_LEN];
  
      for (level = 0; level < XkbKeyGroupWidth(keymap, key, group); level++) {
          if (level != 0)
              write_buf(buf, ", ");
          num_syms = xkb_key_get_syms_by_level(keymap, key, group, level,
                                               &syms);
          if (num_syms == 0) {
              write_buf(buf, "%15s", "NoSymbol");
          }
          else if (num_syms == 1) {
              xkb_keysym_get_name(syms[0], out_buf, OUT_BUF_LEN);
              write_buf(buf, "%15s", out_buf);
          }
          else {
              int s;
              write_buf(buf, "{ ");
              for (s = 0; s < num_syms; s++) {
                  if (s != 0)
                      write_buf(buf, ", ");
                  xkb_keysym_get_name(syms[s], out_buf, OUT_BUF_LEN);
                  write_buf(buf, "%15s", out_buf);
              }
              write_buf(buf, " }");
          }
      }
  #undef OUT_BUF_LEN
  
      return true;
  }
  
  static bool
  write_symbols(struct xkb_keymap *keymap, struct buf *buf)
  {
      struct xkb_key *key;
      xkb_group_index_t group, tmp;
      bool showActions;
  
      if (keymap->symbols_section_name)
          write_buf(buf, "\txkb_symbols \"%s\" {\n\n",
                    keymap->symbols_section_name);
      else
          write_buf(buf, "\txkb_symbols {\n\n");
  
      for (tmp = group = 0; group < XkbNumKbdGroups; group++) {
          if (!keymap->group_names[group])
              continue;
          write_buf(buf,
                    "\t\tname[group%d]=\"%s\";\n", group + 1,
                    keymap->group_names[group]);
          tmp++;
      }
      if (tmp > 0)
          write_buf(buf, "\n");
  
      xkb_foreach_key(key, keymap) {
          bool simple = true;
  
          if (key->num_groups == 0)
              continue;
  
          write_buf(buf, "\t\tkey %6s {", KeyNameText(key->name));
  
          if (key->explicit & XkbExplicitKeyTypesMask) {
              bool multi_type = false;
              struct xkb_key_type *type = XkbKeyType(keymap, key, 0);
  
              simple = false;
  
              for (group = 1; group < key->num_groups; group++) {
                  if (XkbKeyType(keymap, key, group) != type) {
                      multi_type = true;
                      break;
                  }
              }
  
              if (multi_type) {
                  for (group = 0; group < key->num_groups; group++) {
                      if (!(key->explicit & (1 << group)))
                          continue;
                      type = XkbKeyType(keymap, key, group);
                      write_buf(buf, "\n\t\t\ttype[group%u]= \"%s\",",
                                group + 1,
                                xkb_atom_text(keymap->ctx, type->name));
                  }
              }
              else {
                  write_buf(buf, "\n\t\t\ttype= \"%s\",",
                            xkb_atom_text(keymap->ctx, type->name));
              }
          }
  
          if (key->explicit & XkbExplicitAutoRepeatMask) {
              if (key->repeats)
                  write_buf(buf, "\n\t\t\trepeat= Yes,");
              else
                  write_buf(buf, "\n\t\t\trepeat= No,");
              simple = false;
          }
  
          if (key->vmodmap && (key->explicit & XkbExplicitVModMapMask)) {
              /* XXX: vmodmap cmask? */
              write_buf(buf, "\n\t\t\tvirtualMods= %s,",
                        VModMaskText(keymap, key->vmodmap << XkbNumModifiers));
          }
  
          switch (key->out_of_range_group_action) {
          case XkbClampIntoRange:
              write_buf(buf, "\n\t\t\tgroupsClamp,");
              break;
  
          case XkbRedirectIntoRange:
              write_buf(buf, "\n\t\t\tgroupsRedirect= Group%u,",
                        key->out_of_range_group_number + 1);
              break;
          }
  
          if (key->explicit & XkbExplicitInterpretMask)
              showActions = (key->actions != NULL);
          else
              showActions = false;
  
          if (key->num_groups > 1 || showActions)
              simple = false;
  
          if (simple) {
              write_buf(buf, "\t[ ");
              if (!write_keysyms(keymap, buf, key, 0))
                  return false;
              write_buf(buf, " ] };\n");
          }
          else {
              xkb_level_index_t level;
  
              for (group = 0; group < key->num_groups; group++) {
                  if (group != 0)
                      write_buf(buf, ",");
                  write_buf(buf, "\n\t\t\tsymbols[Group%u]= [ ", group + 1);
                  if (!write_keysyms(keymap, buf, key, group))
                      return false;
                  write_buf(buf, " ]");
                  if (showActions) {
                      write_buf(buf, ",\n\t\t\tactions[Group%u]= [ ",
                                group + 1);
                      for (level = 0;
                           level < XkbKeyGroupWidth(keymap, key, group);
                           level++) {
                          if (level != 0)
                              write_buf(buf, ", ");
                          write_action(keymap, buf,
                                       XkbKeyActionEntry(key, group, level),
                                       NULL, NULL);
                      }
                      write_buf(buf, " ]");
                  }
              }
              write_buf(buf, "\n\t\t};\n");
          }
      }
  
      xkb_foreach_key(key, keymap) {
          int mod;
  
          if (key->modmap == 0)
              continue;
  
          for (mod = 0; mod < XkbNumModifiers; mod++) {
              if (!(key->modmap & (1 << mod)))
                  continue;
  
              write_buf(buf, "\t\tmodifier_map %s { %s };\n",
                        ModIndexToName(mod), KeyNameText(key->name));
          }
      }
  
      write_buf(buf, "\t};\n\n");
      return true;
  }
  
  XKB_EXPORT char *
  xkb_map_get_as_string(struct xkb_keymap *keymap)
  {
      bool ok;
      struct buf buf = { NULL, 0, 0 };
  
      ok = (check_write_buf(&buf, "xkb_keymap {\n") &&
            write_keycodes(keymap, &buf) &&
            write_types(keymap, &buf) &&
            write_compat(keymap, &buf) &&
            write_symbols(keymap, &buf) &&
            check_write_buf(&buf, "};\n"));
  
      return (ok ? buf.buf : NULL);
  }
  

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