tomlplusplus/examples/toml_to_json_transcoder.cpp

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// This file is a part of toml++ and is subject to the the terms of the MIT license.
2021-01-02 15:48:47 +00:00
// Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
// See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
// SPDX-License-Identifier: MIT
// This example demonstrates how to use the toml::json_formatter to re-serialize TOML data as JSON.
#include "examples.hpp"
#include <toml++/toml.hpp>
using namespace std::string_view_literals;
int main(int argc, char** argv)
{
const auto path = argc > 1 ? std::string_view{ argv[1] } : ""sv;
toml::table table;
try
{
// read directly from stdin
if (path == "-"sv || path.empty())
table = toml::parse(std::cin, "stdin"sv);
// read from a file
else
table = toml::parse_file(argv[1]);
}
catch (const toml::parse_error& err)
{
std::cerr << err << "\n";
return 1;
}
std::cout << toml::json_formatter{ table } << "\n";
return 0;
}