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// Copyright (c) 2015 Egor Tensin <egor@tensin.name>
// This file is part of the "AES tools" project.
// For details, see https://github.com/egor-tensin/aes-tools.
// Distributed under the MIT License.
#pragma once
#include <aesxx/all.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/any.hpp>
#include <boost/program_options.hpp>
#include <string>
#include <unordered_map>
#include <vector>
namespace boost {
inline void validate(any& dest, const std::vector<std::string>& values, aes::Mode*, int) {
using namespace program_options;
validators::check_first_occurrence(dest);
const auto& src = validators::get_single_string(values);
static const std::unordered_map<std::string, aes::Mode> lookup_table = {
{"ecb", AES_ECB},
{"cbc", AES_CBC},
{"cfb", AES_CFB},
{"ofb", AES_OFB},
{"ctr", AES_CTR},
};
const auto it = lookup_table.find(algorithm::to_lower_copy(src));
if (it == lookup_table.cend())
throw invalid_option_value(src);
dest = it->second;
}
inline void validate(any& dest, const std::vector<std::string>& values, aes::Algorithm*, int) {
using namespace program_options;
validators::check_first_occurrence(dest);
const auto& src = validators::get_single_string(values);
static const std::unordered_map<std::string, aes::Algorithm> lookup_table = {
{"aes128", AES_AES128},
{"aes192", AES_AES192},
{"aes256", AES_AES256},
};
const auto it = lookup_table.find(algorithm::to_lower_copy(src));
if (it == lookup_table.cend())
throw invalid_option_value(src);
dest = it->second;
}
inline void validate(any& dest, const std::vector<std::string>& values, aes::Block*, int) {
const std::string& src = program_options::validators::get_single_string(values);
dest = aes::Block::parse(src);
}
} // namespace boost
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