Add 'tomlplusplus/' from commit '1c8b7466e4946fcc3bf20484c0e1d001202cca5a'

git-subtree-dir: tomlplusplus
git-subtree-mainline: b85e90fc3480da0e6a48da73201a0b22488cc650
git-subtree-split: 1c8b7466e4946fcc3bf20484c0e1d001202cca5a

1 files changed, 113 insertions, 0 deletions

diff --git a/tomlplusplus/toml-test/tt_decoder.cpp b/tomlplusplus/toml-test/tt_decoder.cpp
new file mode 100644
index 0000000000..0426ea994b
--- /dev/null
+++ b/tomlplusplus/toml-test/tt_decoder.cpp
@@ -0,0 +1,113 @@
+//# This file is a part of toml++ and is subject to the the terms of the MIT license.
+//# Copyright (c) 2019-2020 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
+
+#include "tt.hpp"
+
+using nlohmann::json;
+using namespace std::string_view_literals;
+
+TOML_NAMESPACE_START
+{
+	static void to_json(json & j, const value<std::string>& val)
+	{
+		j["type"]  = "string";
+		j["value"] = *val;
+	}
+
+	template <typename T>
+	static void to_json_via_stream(json & j, const value<T>& val)
+	{
+		static constexpr auto flags = toml_formatter::default_flags
+									& ~(format_flags::allow_binary_integers		   //
+										| format_flags::allow_hexadecimal_integers //
+										| format_flags::allow_octal_integers);
+
+		std::ostringstream ss;
+		ss << toml_formatter{ val, flags };
+		j["value"] = ss.str();
+	}
+
+	static void to_json(json & j, const value<int64_t>& val)
+	{
+		j["type"] = "integer";
+		to_json_via_stream(j, val);
+	}
+
+	static void to_json(json & j, const value<double>& val)
+	{
+		j["type"] = "float";
+		to_json_via_stream(j, val);
+	}
+
+	static void to_json(json & j, const value<bool>& val)
+	{
+		j["type"] = "bool";
+		to_json_via_stream(j, val);
+	}
+
+	static void to_json(json & j, const value<date>& val)
+	{
+		j["type"] = "date-local";
+		to_json_via_stream(j, val);
+	}
+
+	static void to_json(json & j, const value<time>& val)
+	{
+		j["type"] = "time-local";
+		to_json_via_stream(j, val);
+	}
+
+	static void to_json(json & j, const value<date_time>& val)
+	{
+		j["type"] = val->is_local() ? "datetime-local" : "datetime";
+		to_json_via_stream(j, val);
+	}
+
+	static void to_json(json&, const array&);
+
+	static void to_json(json & j, const table& tbl)
+	{
+		j = json::object();
+		for (auto& [k_, v_] : tbl)
+			v_.visit([&, k = &k_](auto& v) { j[std::string{ k->str() }] = v; });
+	}
+
+	static void to_json(json & j, const array& arr)
+	{
+		j = json::array();
+		for (auto& v_ : arr)
+			v_.visit([&](auto& v) { j.push_back(v); });
+	}
+}
+TOML_NAMESPACE_END;
+
+int main()
+{
+	try
+	{
+		const std::string str(std::istreambuf_iterator<char>{ std::cin }, std::istreambuf_iterator<char>{});
+
+		json j = toml::parse(str, "stdin"sv);
+
+		std::cout << j << "\n";
+	}
+	catch (const toml::parse_error& err)
+	{
+		std::cerr << "\n\n" << err << "\n";
+		return 1;
+	}
+	catch (const std::exception& exc)
+	{
+		std::cerr << "\n\n" << exc.what() << "\n";
+		return 1;
+	}
+	catch (...)
+	{
+		std::cerr << "\n\nAn unspecified error occurred.\n";
+		return 1;
+	}
+
+	return 0;
+}