testCommandLineArguments.cxx
/* 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 = KWSYS_NULLPTR;
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] = KWSYS_NULLPTR;
}
return res;
}
