kc3-lang/libxkbcommon/tools/rmlvo-to-keymap.c

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• Hash : 09d6b965
  Author :
  Date : 2020-07-07T10:55:30
  

  tools: expand help output for rmlvo-to-keymap
  
  Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
  

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• tools/rmlvo-to-keymap.c

• /*
   * Copyright © 2018 Red Hat, Inc.
   *
   * 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.
   */
  
  #include "config.h"
  
  #include <assert.h>
  #include <errno.h>
  #include <getopt.h>
  #include <stdio.h>
  #include <stdbool.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "xkbcommon/xkbcommon.h"
  
  static void
  usage(char **argv)
  {
      printf("Usage: %s [OPTIONS]\n"
             "\n"
             "Compile the given RMLVO to a keymap and print it\n"
             "\n"
             "Options:\n"
             " --verbose\n"
             "    Enable verbose debugging output\n"
             "\n"
             "XKB-specific options:\n"
             " --rules <rules>\n"
             "    The XKB ruleset (default: '%s')\n"
             " --model <model>\n"
             "    The XKB model (default: '%s')\n"
             " --layout <layout>\n"
             "    The XKB layout (default: '%s')\n"
             " --variant <variant>\n"
             "    The XKB layout variant (default: '%s')\n"
             " --options <options>\n"
             "    The XKB options (default: '%s')\n"
             "\n",
             argv[0], DEFAULT_XKB_RULES,
             DEFAULT_XKB_MODEL, DEFAULT_XKB_LAYOUT,
             DEFAULT_XKB_VARIANT ? DEFAULT_XKB_VARIANT : "<none>",
             DEFAULT_XKB_OPTIONS ? DEFAULT_XKB_OPTIONS : "<none>");
  }
  
  static bool
  parse_options(int argc, char **argv, bool *verbose, struct xkb_rule_names *names)
  {
      enum options {
          OPT_VERBOSE,
          OPT_RULES,
          OPT_MODEL,
          OPT_LAYOUT,
          OPT_VARIANT,
          OPT_OPTION,
      };
      static struct option opts[] = {
          {"help",        no_argument,            0, 'h'},
          {"verbose",     no_argument,            0, OPT_VERBOSE},
          {"rules",       required_argument,      0, OPT_RULES},
          {"model",       required_argument,      0, OPT_MODEL},
          {"layout",      required_argument,      0, OPT_LAYOUT},
          {"variant",     required_argument,      0, OPT_VARIANT},
          {"options",     required_argument,      0, OPT_OPTION},
          {0, 0, 0, 0},
      };
  
      while (1) {
          int c;
          int option_index = 0;
          c = getopt_long(argc, argv, "h", opts, &option_index);
          if (c == -1)
              break;
  
          switch (c) {
          case 'h':
              usage(argv);
              exit(0);
          case OPT_VERBOSE:
              *verbose = true;
              break;
          case OPT_RULES:
              names->rules = optarg;
              break;
          case OPT_MODEL:
              names->model = optarg;
              break;
          case OPT_LAYOUT:
              names->layout = optarg;
              break;
          case OPT_VARIANT:
              names->variant = optarg;
              break;
          case OPT_OPTION:
              names->options = optarg;
              break;
          default:
              usage(argv);
              exit(1);
          }
  
      }
  
      return true;
  }
  
  int
  main(int argc, char **argv)
  {
      struct xkb_context *ctx;
      struct xkb_keymap *keymap;
      struct xkb_rule_names names = {
          .rules = NULL,
          .model = NULL,
          .layout = NULL,
          .variant = NULL,
          .options = NULL,
      };
      int rc;
      bool verbose = false;
  
      if (argc <= 1) {
          usage(argv);
          return 1;
      }
  
      if (!parse_options(argc, argv, &verbose, &names))
          return 1;
  
      ctx = xkb_context_new(XKB_CONTEXT_NO_DEFAULT_INCLUDES);
      assert(ctx);
  
      if (verbose) {
          xkb_context_set_log_level(ctx, XKB_LOG_LEVEL_DEBUG);
          xkb_context_set_log_verbosity(ctx, 10);
      }
  
      xkb_context_include_path_append_default(ctx);
  
      keymap = xkb_keymap_new_from_names(ctx, &names, XKB_KEYMAP_COMPILE_NO_FLAGS);
      rc = (keymap == NULL);
  
      if (rc == 0)
          printf("%s\n", xkb_keymap_get_as_string(keymap,
                                                  XKB_KEYMAP_FORMAT_TEXT_V1));
  
      xkb_keymap_unref(keymap);
      xkb_context_unref(ctx);
  
      return rc;
  }
  

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