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// SPDX-License-Identifier: BSD-2-Clause
/* Copyright (C) 2015 - 2021 Intel Corporation. */
#pragma once
#include <map>
#include <string>
#include <vector>
class CommandLine
{
public:
// Parse and write to val when option exist and strtol(...) > 0, otherwise
// val is not changed. T should be an integer type.
template <class T>
void parse_with_strtol(const std::string &option, T &val)
{
if (args.count(option)) {
T tmp = static_cast<T>(strtol(args[option].c_str(), NULL, 10));
if (tmp > 0)
val = tmp;
else
printf("Warning! Option '%s' may not be set.\n",
option.c_str());
} else {
// Do not modify val.
printf("Warning! Option '%s' is not present.\n", option.c_str());
}
}
bool is_option_present(const std::string &option) const
{
return args.count(option);
}
bool is_option_set(const std::string option, std::string val)
{
if (is_option_present(option))
return (args[option] == val);
return false;
}
const std::string &get_option_value(const std::string &option)
{
return args[option];
}
CommandLine(int argc, char *argv[])
{
for (int i = 0; i < argc; i++) {
std::string arg(argv[i]);
size_t found = arg.find("=");
if (found != std::string::npos) {
std::string option = arg.substr(0, found);
std::string val = arg.substr(found + 1, arg.length());
args[option] = val;
}
}
}
private:
std::map<std::string, std::string> args;
};
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