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

Branch : - branch - android master - tag -

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  Commit

• Author : Daniel Stone
  Date : 2012-03-10 13:54:03
  Hash : 671ab1bf
  Message : Handle XkbFiles without a name Signed-off-by: Daniel Stone <daniel@fooishbar.org>

• src/xkbcomp/keymap.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.
  
   ********************************************************/
  
  #include "xkbcomp.h"
  #include "xkbmisc.h"
  #include "expr.h"
  #include "vmod.h"
  #include "action.h"
  #include "misc.h"
  #include "indicators.h"
  #include "xkballoc.h"
  
  /**
   * Compile the given file and store the output in xkb.
   * @param file A list of XkbFiles, each denoting one type (e.g.
   * XkmKeyNamesIdx, etc.)
   */
  struct xkb_desc *
  CompileKeymap(XkbFile *file, unsigned merge)
  {
      unsigned have;
      Bool ok;
      unsigned required, legal;
      unsigned mainType;
      char *mainName;
      LEDInfo *unbound = NULL;
      struct xkb_desc *xkb = XkbcAllocKeyboard();
      struct {
          XkbFile *keycodes;
          XkbFile *types;
          XkbFile *compat;
          XkbFile *symbols;
      } sections;
  
      if (!xkb)
          return NULL;
  
      memset(&sections, 0, sizeof(sections));
      mainType = file->type;
      mainName = file->name ? file->name : "(unnamed)";
      switch (mainType)
      {
      case XkmSemanticsFile:
          required = XkmSemanticsRequired;
          legal = XkmSemanticsLegal;
          break;
      case XkmLayoutFile:        /* standard type  if setxkbmap -print */
          required = XkmLayoutRequired;
          legal = XkmKeymapLegal;
          break;
      case XkmKeymapFile:
          required = XkmKeyNamesIndex | XkmTypesIndex | XkmSymbolsIndex | \
                     XkmCompatMapIndex | XkmVirtualModsIndex;
          legal = XkmKeymapLegal;
          break;
      default:
          ERROR("Cannot compile %s alone into an XKM file\n",
                 XkbcConfigText(mainType));
          return False;
      }
      have = 0;
      ok = 1;
      /* Check for duplicate entries in the input file */
      for (file = (XkbFile *) file->defs; file; file = (XkbFile *) file->common.next)
      {
          if ((have & (1 << file->type)) != 0)
          {
              ERROR("More than one %s section in a %s file\n",
                     XkbcConfigText(file->type), XkbcConfigText(mainType));
              ACTION("All sections after the first ignored\n");
              continue;
          }
          else if ((1 << file->type) & (~legal))
          {
              ERROR("Cannot define %s in a %s file\n",
                     XkbcConfigText(file->type), XkbcConfigText(mainType));
              continue;
          }
  
          switch (file->type)
          {
          case XkmKeyNamesIndex:
              sections.keycodes = file;
              break;
          case XkmTypesIndex:
              sections.types = file;
              break;
          case XkmSymbolsIndex:
              sections.symbols = file;
              break;
          case XkmCompatMapIndex:
              sections.compat = file;
              break;
          case XkmGeometryIndex:
              continue;
          case XkmVirtualModsIndex:
          case XkmIndicatorsIndex:
              WSGO("Found an isolated %s section\n", XkbcConfigText(file->type));
              ACTION("Ignored\n");
              continue;
          default:
              WSGO("Unknown file type %d\n", file->type);
              ACTION("Ignored\n");
              continue;
          case XkmSemanticsFile:
          case XkmLayoutFile:
          case XkmKeymapFile:
              WSGO("Illegal %s configuration in a %s file\n",
                    XkbcConfigText(file->type), XkbcConfigText(mainType));
              ACTION("Ignored\n");
              continue;
          }
  
          if (!file->topName || strcmp(file->topName, mainName) != 0) {
              free(file->topName);
              file->topName = strdup(mainName);
          }
  
          have |= (1 << file->type);
      }
  
      if (required & (~have))
      {
          int i, bit;
          unsigned missing;
          missing = required & (~have);
          for (i = 0, bit = 1; missing != 0; i++, bit <<= 1)
          {
              if (missing & bit)
              {
                  ERROR("Required section %s missing from keymap\n", XkbcConfigText(i));
                  missing &= ~bit;
              }
          }
          goto err;
      }
  
      /* compile the sections we have in the file one-by-one, or fail. */
      if (sections.keycodes != NULL &&
          !CompileKeycodes(sections.keycodes, xkb, MergeOverride))
      {
          ERROR("Failed to compile keycodes\n");
          goto err;
      }
      if (sections.types != NULL &&
          !CompileKeyTypes(sections.types, xkb, MergeOverride))
      {
          ERROR("Failed to compile key types\n");
          goto err;
      }
      if (sections.compat != NULL &&
          !CompileCompatMap(sections.compat, xkb, MergeOverride, &unbound))
      {
          ERROR("Failed to compile compat map\n");
          goto err;
      }
      if (sections.symbols != NULL &&
          !CompileSymbols(sections.symbols, xkb, MergeOverride))
      {
          ERROR("Failed to compile symbols\n");
          goto err;
      }
  
      xkb->defined = have;
  
      ok = BindIndicators(xkb, True, unbound, NULL);
      if (!ok)
          goto err;
  
      return xkb;
  
  err:
      ACTION("Failed to compile keymap\n");
      if (xkb)
          xkb_free_keymap(xkb);
      return NULL;
  }