kc3-lang/libxkbcommon/src/utils-paths.c

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• Hash : 7697c712
  Author :
  Date : 2024-09-16T16:09:11
  

  rules: Resolve relative include statements using XKB paths
  
  Contrary to keymap files, the `! include` statement in rules does not
  lookup include paths added to `xkb_context`. So it is not possible e.g.
  to import another file in the same folder without using an absolute path.
  
  - Added path utils: `is_absolute(path)`.
  - Added XKB paths lookup to enable e.g. `! include evdev` to work.
  - Added test.
  

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• src/utils-paths.c

• /*
   * Copyright © 2024 Pierre Le Marre
   *
   * 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 "utils.h"
  #include "utils-paths.h"
  
  
  /* Caller must ensure that the input is not NULL or empty */
  bool
  is_absolute(const char *path)
  {
  #ifdef _WIN32
      /*
       * A file name is relative to the current directory if it does not begin with
       * one of the following:
       * - A UNC name of any format, which always start with two backslash characters ("\\").
       * - A disk designator with a backslash, for example "C:\" or "d:\".
       * - A single backslash, for example, "\directory" or "\file.txt".
       * See: https://learn.microsoft.com/en-us/windows/win32/fileio/naming-a-file
       */
      return is_path_separator(path[0]) ||
             (strlen_safe(path) >= 3 && path[1] == ':' && is_path_separator(path[2]));
  #else
      return is_path_separator(path[0]);
  #endif
  }
  

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