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#include "getopt.h"
#include <iostream>
void OptionParser::parse(char* argv[])
{
std::vector<std::string> args;
for(int j = 1; argv[j]; j++)
args.push_back(argv[j]);
for(size_t j = 0; j != args.size(); j++)
{
std::string arg = args[j];
if(arg == "help" || arg == "--help" || arg == "-h")
return help(std::cout, argv[0]);
if(arg.size() > 2 && arg[0] == '-' && arg[1] == '-')
{
const std::string opt_name = arg.substr(0, arg.find('='));
arg = arg.substr(2);
std::string::size_type mark = arg.find('=');
OptionFlag opt = find_option(arg.substr(0, mark));
if(opt.takes_arg())
{
if(mark == std::string::npos)
throw std::runtime_error("Option " + opt_name +
" requires an argument");
std::string name = arg.substr(0, mark);
std::string value = arg.substr(mark+1);
options[name] = value;
}
else
{
if(mark != std::string::npos)
throw std::runtime_error("Option " + opt_name +
" does not take an argument");
options[arg] = "";
}
}
else
leftover.push_back(arg);
}
}
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