utility.cpp

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/*
 * This file is part of the µOS++ project (https://micro-os-plus.github.io/).
 * Copyright (c) 2021-2026 Liviu Ionescu. All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose is hereby granted, under the terms of the MIT license.
 *
 * If a copy of the license was not distributed with this file, it can be
 * obtained from https://opensource.org/licenses/mit.
 *
 * Major parts of the code are inspired from v1.1.8 of the Boost UT project,
 * released under the terms of the Boost Version 1.0 Software License,
 * which can be obtained from https://www.boost.org/LICENSE_1_0.txt.
 */
 
// ----------------------------------------------------------------------------

 
// ----------------------------------------------------------------------------
 
#include "micro-os-plus/micro-test-plus/utility.h"
 
// ----------------------------------------------------------------------------
 
#if defined(__GNUC__)
#pragma GCC diagnostic ignored "-Waggregate-return"
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wc++98-compat"
#endif // defined(__clang__)
#endif // defined(__GNUC__)
 
// ============================================================================
 
#if defined(MICRO_OS_PLUS_MICRO_TEST_PLUS_ENABLED)
 
// ----------------------------------------------------------------------------
 
namespace micro_os_plus::micro_test_plus
{
  // --------------------------------------------------------------------------
 
  namespace utility
  {
#if defined(__GNUC__)
#pragma GCC diagnostic push
 
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wdocumentation"
#endif // defined(__clang__)
#endif // defined(__GNUC__)

    [[nodiscard]] const char*
    extract_file_name (const char* path) noexcept
    {
      const std::string_view sv{ path };
      const auto pos = sv.find_last_of ("/\\");
      if (pos == std::string_view::npos)
        {
          return path; // No separators found, return original string.
        }
      return sv.substr (pos + 1).data ();
    }
 
#if defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // defined(__GNUC__)

    [[nodiscard]] bool
    is_match (std::string_view input, std::string_view pattern)
    {
      if (std::empty (pattern))
        {
          return std::empty (input);
        }
 
      if (std::empty (input))
        {
          return pattern[0] == '*' ? is_match (input, pattern.substr (1))
                                   : false;
        }
 
      if (pattern[0] != '?' and pattern[0] != '*' and pattern[0] != input[0])
        {
          return false;
        }
 
      if (pattern[0] == '*')
        {
          for (decltype (std::size (input)) i = 0u; i <= std::size (input);
               ++i)
            {
              if (is_match (input.substr (i), pattern.substr (1)))
                {
                  return true;
                }
            }
          return false;
        }
 
      return is_match (input.substr (1), pattern.substr (1));
    }
 
  } // namespace utility
  // --------------------------------------------------------------------------
} // namespace micro_os_plus::micro_test_plus
 
// ----------------------------------------------------------------------------
 
#endif // defined(MICRO_OS_PLUS_MICRO_TEST_PLUS_ENABLED)
 
// ----------------------------------------------------------------------------