mirror of
https://github.com/marzer/tomlplusplus.git
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114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
//# This file is a part of toml++ and is subject to the the terms of the MIT license.
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//# Copyright (c) 2019-2020 Mark Gillard <mark.gillard@outlook.com.au>
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//# See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
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// SPDX-License-Identifier: MIT
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#include "tt.h"
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using nlohmann::json;
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using namespace std::string_view_literals;
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TOML_NAMESPACE_START
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{
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static void to_json(json & j, const value<std::string>& val)
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{
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j["type"] = "string";
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j["value"] = *val;
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}
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template <typename T>
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static void to_json_via_stream(json & j, const value<T>& val)
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{
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static constexpr auto flags = toml_formatter::default_flags
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& ~(format_flags::allow_binary_integers //
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| format_flags::allow_hexadecimal_integers //
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| format_flags::allow_octal_integers);
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std::ostringstream ss;
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ss << toml_formatter{ val, flags };
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j["value"] = ss.str();
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}
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static void to_json(json & j, const value<int64_t>& val)
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{
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j["type"] = "integer";
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to_json_via_stream(j, val);
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}
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static void to_json(json & j, const value<double>& val)
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{
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j["type"] = "float";
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to_json_via_stream(j, val);
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}
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static void to_json(json & j, const value<bool>& val)
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{
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j["type"] = "bool";
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to_json_via_stream(j, val);
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}
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static void to_json(json & j, const value<date>& val)
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{
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j["type"] = "date-local";
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to_json_via_stream(j, val);
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}
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static void to_json(json & j, const value<time>& val)
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{
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j["type"] = "time-local";
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to_json_via_stream(j, val);
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}
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static void to_json(json & j, const value<date_time>& val)
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{
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j["type"] = val->is_local() ? "datetime-local" : "datetime";
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to_json_via_stream(j, val);
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}
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static void to_json(json&, const array&);
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static void to_json(json & j, const table& tbl)
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{
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j = json::object();
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for (auto& [k_, v_] : tbl)
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v_.visit([&, k = &k_](auto& v) { j[std::string{ k->str() }] = v; });
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}
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static void to_json(json & j, const array& arr)
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{
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j = json::array();
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for (auto& v_ : arr)
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v_.visit([&](auto& v) { j.push_back(v); });
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}
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}
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TOML_NAMESPACE_END;
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int main()
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{
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try
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{
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const std::string str(std::istreambuf_iterator<char>{ std::cin }, std::istreambuf_iterator<char>{});
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json j = toml::parse(str, "stdin"sv);
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std::cout << j << "\n";
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}
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catch (const toml::parse_error& err)
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{
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std::cerr << "\n\n" << err << "\n";
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return 1;
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}
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catch (const std::exception& exc)
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{
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std::cerr << "\n\n" << exc.what() << "\n";
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return 1;
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}
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catch (...)
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{
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std::cerr << "\n\nAn unspecified error occurred.\n";
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return 1;
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}
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return 0;
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}
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