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arg.cpp
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arg.cpp
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/*
* Copyright (C) 2003 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <cxxtools/arg.h>
#include <iostream>
void print_int(const char* txt, int i)
{
std::cout << txt << ": " << i << std::endl;
}
void print_charp(const char* txt, const char* p)
{
std::cout << txt << ": " << (p ? p : "NULL") << std::endl;
}
void print_string(const char* txt, const std::string& s)
{
std::cout << txt << ": " << s << std::endl;
}
int main(int argc, char* argv[])
{
try
{
cxxtools::Arg<int> int_param(argc, argv, 'i');
cxxtools::Arg<int> long_int_param(argc, argv, "--int");
cxxtools::Arg<int> int_param_def(argc, argv, 'I', 5);
print_int("option -i", int_param);
print_int("option --int", long_int_param);
print_int("option -I", int_param_def);
cxxtools::Arg<const char*> charp_param(argc, argv, 'p');
cxxtools::Arg<const char*> long_charp_param(argc, argv, "--charp");
cxxtools::Arg<const char*> charp_param_def(argc, argv, 'P', "hi");
print_charp("option -p", charp_param);
print_charp("option --charp", long_charp_param);
print_charp("option -P", charp_param_def);
cxxtools::Arg<std::string> string_param(argc, argv, 's');
cxxtools::Arg<std::string> long_string_param(argc, argv, "--string");
cxxtools::Arg<std::string> string_param_def(argc, argv, 'S', "hi");
cxxtools::Arg<std::string> string_arg(argc, argv);
print_string("option -s", string_param);
print_string("option --string", long_string_param);
print_string("option -S", string_param_def);
print_string("string-Arg", string_arg);
std::cout << "unprocessed arguments:\n";
for (int i = 1; i < argc; ++i)
std::cout << '\t' << i << ": " << argv[i] << std::endl;
}
catch (const std::exception& e)
{
std::cerr << e.what() << std::endl;
return 1;
}
}