text: /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
     file Copyright.txt or https://cmake.org/licensing#kwsys for details.  */
  #include "kwsysPrivate.h"
  #include KWSYS_HEADER(CommandLineArguments.hxx)
  
  // Work-around CMake dependency scanning limitation.  This must
  // duplicate the above list of headers.
  #if 0
  #include "CommandLineArguments.hxx.in"
  #endif
  
  #include <iostream>
  #include <vector>
  
  #include <stddef.h> /* size_t */
  #include <string.h> /* strcmp */
  
  static void* random_ptr = reinterpret_cast<void*>(0x123);
  
  static int argument(const char* arg, const char* value, void* call_data)
  {
    std::cout << "Got argument: \"" << arg << "\" value: \""
              << (value ? value : "(null)") << "\"" << std::endl;
    if (call_data != random_ptr) {
      std::cerr << "Problem processing call_data" << std::endl;
      return 0;
    }
    return 1;
  }
  
  static int unknown_argument(const char* argument, void* call_data)
  {
    std::cout << "Got unknown argument: \"" << argument << "\"" << std::endl;
    if (call_data != random_ptr) {
      std::cerr << "Problem processing call_data" << std::endl;
      return 0;
    }
    return 1;
  }
  
  static bool CompareTwoItemsOnList(bool i1, bool i2)
  {
    return i1 == i2;
  }
  static bool CompareTwoItemsOnList(int i1, int i2)
  {
    return i1 == i2;
  }
  static bool CompareTwoItemsOnList(double i1, double i2)
  {
    return i1 == i2;
  }
  static bool CompareTwoItemsOnList(const char* i1, const char* i2)
  {
    return strcmp(i1, i2) == 0;
  }
  static bool CompareTwoItemsOnList(const std::string& i1, const std::string& i2)
  {
    return i1 == i2;
  }
  
  int testCommandLineArguments(int argc, char* argv[])
  {
    // Example run: ./testCommandLineArguments --some-int-variable 4
    // --another-bool-variable --some-bool-variable=yes
    // --some-stl-string-variable=foobar --set-bool-arg1 --set-bool-arg2
    // --some-string-variable=hello
  
    int res = 0;
    kwsys::CommandLineArguments arg;
    arg.Initialize(argc, argv);
  
    // For error handling
    arg.SetClientData(random_ptr);
    arg.SetUnknownArgumentCallback(unknown_argument);
  
    int some_int_variable = 10;
    double some_double_variable = 10.10;
    char* some_string_variable = 0;
    std::string some_stl_string_variable = "";
    bool some_bool_variable = false;
    bool some_bool_variable1 = false;
    bool bool_arg1 = false;
    int bool_arg2 = 0;
  
    std::vector<int> numbers_argument;
    int valid_numbers[] = { 5, 1, 8, 3, 7, 1, 3, 9, 7, 1 };
  
    std::vector<double> doubles_argument;
    double valid_doubles[] = { 12.5, 1.31, 22 };
  
    std::vector<bool> bools_argument;
    bool valid_bools[] = { true, true, false };
  
    std::vector<char*> strings_argument;
    const char* valid_strings[] = { "andy", "bill", "brad", "ken" };
  
    std::vector<std::string> stl_strings_argument;
    std::string valid_stl_strings[] = { "ken", "brad", "bill", "andy" };
  
    typedef kwsys::CommandLineArguments argT;
  
    arg.AddArgument("--some-int-variable", argT::SPACE_ARGUMENT,
                    &some_int_variable, "Set some random int variable");
    arg.AddArgument("--some-double-variable", argT::CONCAT_ARGUMENT,
                    &some_double_variable, "Set some random double variable");
    arg.AddArgument("--some-string-variable", argT::EQUAL_ARGUMENT,
                    &some_string_variable, "Set some random string variable");
    arg.AddArgument("--some-stl-string-variable", argT::EQUAL_ARGUMENT,
                    &some_stl_string_variable,
                    "Set some random stl string variable");
    arg.AddArgument("--some-bool-variable", argT::EQUAL_ARGUMENT,
                    &some_bool_variable, "Set some random bool variable");
    arg.AddArgument("--another-bool-variable", argT::NO_ARGUMENT,
                    &some_bool_variable1, "Set some random bool variable 1");
    arg.AddBooleanArgument("--set-bool-arg1", &bool_arg1,
                           "Test AddBooleanArgument 1");
    arg.AddBooleanArgument("--set-bool-arg2", &bool_arg2,
                           "Test AddBooleanArgument 2");
    arg.AddArgument("--some-multi-argument", argT::MULTI_ARGUMENT,
                    &numbers_argument, "Some multiple values variable");
    arg.AddArgument("-N", argT::SPACE_ARGUMENT, &doubles_argument,
                    "Some explicit multiple values variable");
    arg.AddArgument("-BB", argT::CONCAT_ARGUMENT, &bools_argument,
                    "Some explicit multiple values variable");
    arg.AddArgument("-SS", argT::EQUAL_ARGUMENT, &strings_argument,
                    "Some explicit multiple values variable");
    arg.AddArgument("-SSS", argT::MULTI_ARGUMENT, &stl_strings_argument,
                    "Some explicit multiple values variable");
  
    arg.AddCallback("-A", argT::NO_ARGUMENT, argument, random_ptr,
                    "Some option -A. This option has a multiline comment. It "
                    "should demonstrate how the code splits lines.");
    arg.AddCallback("-B", argT::SPACE_ARGUMENT, argument, random_ptr,
                    "Option -B takes argument with space");
    arg.AddCallback("-C", argT::EQUAL_ARGUMENT, argument, random_ptr,
                    "Option -C takes argument after =");
    arg.AddCallback("-D", argT::CONCAT_ARGUMENT, argument, random_ptr,
                    "This option takes concatinated argument");
    arg.AddCallback("--long1", argT::NO_ARGUMENT, argument, random_ptr, "-A");
    arg.AddCallback("--long2", argT::SPACE_ARGUMENT, argument, random_ptr, "-B");
    arg.AddCallback("--long3", argT::EQUAL_ARGUMENT, argument, random_ptr,
                    "Same as -C but a bit different");
    arg.AddCallback("--long4", argT::CONCAT_ARGUMENT, argument, random_ptr,
                    "-C");
  
    if (!arg.Parse()) {
      std::cerr << "Problem parsing arguments" << std::endl;
      res = 1;
    }
    std::cout << "Help: " << arg.GetHelp() << std::endl;
  
    std::cout << "Some int variable was set to: " << some_int_variable
              << std::endl;
    std::cout << "Some double variable was set to: " << some_double_variable
              << std::endl;
    if (some_string_variable &&
        strcmp(some_string_variable, "test string with space") == 0) {
      std::cout << "Some string variable was set to: " << some_string_variable
                << std::endl;
      delete[] some_string_variable;
    } else {
      std::cerr << "Problem setting string variable" << std::endl;
      res = 1;
    }
    size_t cc;
  #define CompareTwoLists(list1, list_valid, lsize)                             \
    if (list1.size() != lsize) {                                                \
      std::cerr << "Problem setting " #list1 ". Size is: " << list1.size()      \
                << " should be: " << lsize << std::endl;                        \
      res = 1;                                                                  \
    } else {                                                                    \
      std::cout << #list1 " argument set:";                                     \
      for (cc = 0; cc < lsize; ++cc) {                                          \
        std::cout << " " << list1[cc];                                          \
        if (!CompareTwoItemsOnList(list1[cc], list_valid[cc])) {                \
          std::cerr << "Problem setting " #list1 ". Value of " << cc            \
                    << " is: [" << list1[cc] << "] <> [" << list_valid[cc]      \
                    << "]" << std::endl;                                        \
          res = 1;                                                              \
          break;                                                                \
        }                                                                       \
      }                                                                         \
      std::cout << std::endl;                                                   \
    }
  
    CompareTwoLists(numbers_argument, valid_numbers, 10);
    CompareTwoLists(doubles_argument, valid_doubles, 3);
    CompareTwoLists(bools_argument, valid_bools, 3);
    CompareTwoLists(strings_argument, valid_strings, 4);
    CompareTwoLists(stl_strings_argument, valid_stl_strings, 4);
  
    std::cout << "Some STL String variable was set to: "
              << some_stl_string_variable << std::endl;
    std::cout << "Some bool variable was set to: " << some_bool_variable
              << std::endl;
    std::cout << "Some bool variable was set to: " << some_bool_variable1
              << std::endl;
    std::cout << "bool_arg1 variable was set to: " << bool_arg1 << std::endl;
    std::cout << "bool_arg2 variable was set to: " << bool_arg2 << std::endl;
    std::cout << std::endl;
  
    for (cc = 0; cc < strings_argument.size(); ++cc) {
      delete[] strings_argument[cc];
      strings_argument[cc] = 0;
    }
    return res;
  }
  