CLIOption.cc

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#include "CLIOption.hh"
#include "MSXException.hh"
#include <utility>
 
namespace openmsx {
 
// class CLIOption
 
std::string CLIOption::getArgument(const std::string& option, std::span<std::string>& cmdLine)
{
        if (cmdLine.empty()) {
                throw FatalError("Missing argument for option \"", option, '\"');
        }
        std::string argument = std::move(cmdLine.front());
        cmdLine = cmdLine.subspan(1);
        return argument;
}
 
std::string CLIOption::peekArgument(const std::span<std::string>& cmdLine)
{
        return cmdLine.empty() ? std::string{} : cmdLine.front();
}
 
} // namespace openmsx