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//
// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "CmdArgsParser.hpp"
#include <iostream>
/*
* Checks that a particular option was specified by the user
*/
bool CheckOptionSpecified(const std::map<std::string, std::string>& options, const std::string& option)
{
auto it = options.find(option);
return it!=options.end();
}
/*
* Retrieves the user provided option
*/
std::string GetSpecifiedOption(const std::map<std::string, std::string>& options, const std::string& option)
{
if (CheckOptionSpecified(options, option)){
return options.at(option);
}
else
{
throw std::invalid_argument("Required option: " + option + " not defined.");
}
}
/*
* Parses all the command line options provided by the user and stores in a map.
*/
int ParseOptions(std::map<std::string, std::string>& options, std::map<std::string, std::string>& acceptedOptions,
char *argv[], int argc)
{
for (int i = 1; i < argc; ++i)
{
std::string currentOption = std::string(argv[i]);
auto it = acceptedOptions.find(currentOption);
if (it != acceptedOptions.end())
{
if (i + 1 < argc && std::string(argv[i + 1]).rfind("--", 0) != 0)
{
std::string value = argv[++i];
options.insert({it->first, value});
}
else if (std::string(argv[i]) == HELP)
{
std::cout << "Available options" << std::endl;
for (auto & acceptedOption : acceptedOptions)
{
std::cout << acceptedOption.first << " : " << acceptedOption.second << std::endl;
}
return 2;
}
else
{
std::cerr << std::string(argv[i]) << " option requires one argument." << std::endl;
return 1;
}
}
else
{
std::cerr << "Unrecognised option: " << std::string(argv[i]) << std::endl;
return 1;
}
}
return 0;
}
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