Add 'tomlplusplus/' from commit '1c8b7466e4946fcc3bf20484c0e1d001202cca5a'

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

4 files changed, 233 insertions, 0 deletions

diff --git a/tomlplusplus/src/meson.build b/tomlplusplus/src/meson.build
new file mode 100644
index 0000000000..3b3b537253
--- /dev/null
+++ b/tomlplusplus/src/meson.build
@@ -0,0 +1,88 @@
+# This file is a part of toml++ and is subject to the the terms of the MIT license.
+# 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
+
+assert(build_lib) # not header-only mode
+
+# These are the arguments needed to compile and consume the library, and
+# are exposed to users with  the `compile_args` kwarg of declare_dependency()
+lib_args = cpp.get_supported_arguments('-DTOML_HEADER_ONLY=0')
+if get_option('default_library') != 'static'
+	lib_args += cpp.get_supported_arguments('-DTOML_SHARED_LIB=1')
+endif
+if unreleased_features
+	lib_args += cpp.get_supported_arguments('-DTOML_ENABLE_UNRELEASED_FEATURES=1')
+endif
+
+# these are the _internal_ args, just for compiling the lib
+lib_internal_args = []
+lib_internal_args += global_args
+lib_internal_args += lib_args
+if is_pedantic and is_release
+	lib_internal_args += cpp.get_supported_arguments(
+		'-Wsuggest-attribute=const',
+		'-Wsuggest-attribute=pure'
+	)
+endif
+
+tomlplusplus_lib = library(
+	meson.project_name(),
+	files('toml.cpp'),
+	cpp_args: lib_internal_args,
+	gnu_symbol_visibility: get_option('default_library') == 'static' ? '' : 'hidden',
+	include_directories: include_dir,
+	install: not is_subproject,
+	version: meson.project_version(),
+	override_options: global_overrides
+)
+
+tomlplusplus_dep = declare_dependency(
+	compile_args: lib_args,
+	include_directories: include_dir,
+	link_with: tomlplusplus_lib
+)
+
+if not is_subproject
+	import('pkgconfig').generate(
+		tomlplusplus_lib,
+		description: 'TOML config file parser and serializer for C++',
+		extra_cflags: lib_args,
+		url: 'https://marzer.github.io/tomlplusplus'
+	)
+endif
+
+# cmake
+if get_option('generate_cmake_config') and not is_subproject and not is_devel
+	cmake = import('cmake')
+	cmake.write_basic_package_version_file(
+		name: meson.project_name(),
+		version: meson.project_version(),
+	)
+
+	# This gets the full path of the library, then considers just the last
+	# component (i.e. the actual file name), and finally removes the
+	# version suffix from it, because users _should_ link against the .so
+	# file, as opposed to the .so.x.y.z one.
+	lib_name = tomlplusplus_lib.full_path().split('/')[-1]
+	lib_name = lib_name.replace('.' + meson.project_version(), '')
+
+	# CMake needs space-separated values since it doesn't have types
+	cmake_compile_options = ''
+	foreach arg : lib_args
+		cmake_compile_options += arg + ' '
+	endforeach
+	cmake_compile_options = cmake_compile_options.strip()
+
+	cmake.configure_package_config_file(
+		name: meson.project_name(),
+		input: '..'/'cmake'/'tomlplusplusConfig.cmake.meson.in',
+		configuration: configuration_data({
+			'compile_library': true,
+			'compile_options': cmake_compile_options,
+			'includedir': get_option('includedir'),
+			'libdir': get_option('libdir'),
+			'lib_name': lib_name
+		})
+	)
+endif
diff --git a/tomlplusplus/src/modules/CMakeLists.txt b/tomlplusplus/src/modules/CMakeLists.txt
new file mode 100644
index 0000000000..5315390175
--- /dev/null
+++ b/tomlplusplus/src/modules/CMakeLists.txt
@@ -0,0 +1,44 @@
+file(GLOB_RECURSE TOMLPLUSPLUS_MODULES *.cppm)
+
+add_library(tomlplusplus_modules)
+target_sources(tomlplusplus_modules
+    PUBLIC
+    FILE_SET CXX_MODULES FILES
+    ${TOMLPLUSPLUS_MODULES}
+)
+
+cmake_minimum_required(VERSION 3.28)
+
+if(NOT COMMAND configure_cpp_module_target)
+  function(configure_cpp_module_target target)
+    if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.28)
+      target_sources(${target} PUBLIC FILE_SET CXX_MODULES FILES ${TOMLPLUSPLUS_MODULES})
+    else()
+      message(WARNING "C++ modules require CMake 3.28+. Using standard compilation.")
+      target_sources(${target} PRIVATE ${TOMLPLUSPLUS_MODULES})
+    endif()
+  endfunction()
+endif()
+
+configure_cpp_module_target(tomlplusplus_modules)
+
+target_link_libraries(tomlplusplus_modules
+  PUBLIC
+    tomlplusplus::tomlplusplus
+)
+
+target_include_directories(tomlplusplus_modules
+  PRIVATE
+    ${tomlplusplus_SOURCE_DIR}/include
+)
+
+target_compile_features(tomlplusplus_modules PUBLIC cxx_std_20)
+
+if(TOMLPLUSPLUS_ENABLE_INSTALL)
+  install(TARGETS tomlplusplus_modules
+    EXPORT tomlplusplus-targets
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    FILE_SET CXX_MODULES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/tomlplusplus/modules
+  )
+endif()
diff --git a/tomlplusplus/src/modules/tomlplusplus.cppm b/tomlplusplus/src/modules/tomlplusplus.cppm
new file mode 100644
index 0000000000..e1860c4878
--- /dev/null
+++ b/tomlplusplus/src/modules/tomlplusplus.cppm
@@ -0,0 +1,88 @@
+/**
+ * @file tomlpp.cppm
+ * @brief File containing the module declaration for toml++.
+ */
+
+module;
+
+#define TOML_UNDEF_MACROS 0
+#include <toml++/toml.hpp>
+
+export module tomlplusplus;
+
+/**
+ * @namespace toml
+ * @brief The toml++ namespace toml:: 
+ */
+export namespace toml {
+    /**
+     * @namespace literals
+     * @brief The toml++ namespace toml::literals::
+     */
+    inline namespace literals {
+        using TOML_NAMESPACE::literals::operator""_toml;
+        using TOML_NAMESPACE::literals::operator""_tpath;
+    }
+
+    using TOML_NAMESPACE::array;
+    using TOML_NAMESPACE::date;
+    using TOML_NAMESPACE::date_time;
+    using TOML_NAMESPACE::inserter;
+    using TOML_NAMESPACE::json_formatter;
+    using TOML_NAMESPACE::key;
+    using TOML_NAMESPACE::node;
+    using TOML_NAMESPACE::node_view;
+    using TOML_NAMESPACE::parse_error;
+    using TOML_NAMESPACE::parse_result;
+    using TOML_NAMESPACE::path;
+    using TOML_NAMESPACE::path_component;
+    using TOML_NAMESPACE::source_position;
+    using TOML_NAMESPACE::source_region;
+    using TOML_NAMESPACE::table;
+    using TOML_NAMESPACE::time;
+    using TOML_NAMESPACE::time_offset;
+    using TOML_NAMESPACE::toml_formatter;
+    using TOML_NAMESPACE::value;
+    using TOML_NAMESPACE::yaml_formatter;
+    using TOML_NAMESPACE::format_flags;
+    using TOML_NAMESPACE::node_type;
+    using TOML_NAMESPACE::path_component_type;
+    using TOML_NAMESPACE::value_flags;
+    using TOML_NAMESPACE::array_iterator;
+    using TOML_NAMESPACE::const_array_iterator;
+    using TOML_NAMESPACE::const_table_iterator;
+    using TOML_NAMESPACE::default_formatter;
+    using TOML_NAMESPACE::inserted_type_of;
+    using TOML_NAMESPACE::optional;
+    using TOML_NAMESPACE::source_index;
+    using TOML_NAMESPACE::source_path_ptr;
+    using TOML_NAMESPACE::table_iterator;
+
+    using TOML_NAMESPACE::at_path;
+    using TOML_NAMESPACE::get_line;
+    using TOML_NAMESPACE::operator""_toml;
+    using TOML_NAMESPACE::operator""_tpath;
+    using TOML_NAMESPACE::operator<<;
+    using TOML_NAMESPACE::parse;
+    using TOML_NAMESPACE::parse_file;
+
+    using TOML_NAMESPACE::is_array;
+    using TOML_NAMESPACE::is_boolean;
+    using TOML_NAMESPACE::is_chronological;
+    using TOML_NAMESPACE::is_container;
+    using TOML_NAMESPACE::is_date;
+    using TOML_NAMESPACE::is_date_time;
+    using TOML_NAMESPACE::is_floating_point;
+    using TOML_NAMESPACE::is_integer;
+    using TOML_NAMESPACE::is_key;
+    using TOML_NAMESPACE::is_key_or_convertible;
+    using TOML_NAMESPACE::is_node;
+    using TOML_NAMESPACE::is_node_view;
+    using TOML_NAMESPACE::is_number;
+    using TOML_NAMESPACE::is_string;
+    using TOML_NAMESPACE::is_table;
+    using TOML_NAMESPACE::is_time;
+    using TOML_NAMESPACE::is_value;
+
+	using TOML_NAMESPACE::preserve_source_value_flags;
+}
diff --git a/tomlplusplus/src/toml.cpp b/tomlplusplus/src/toml.cpp
new file mode 100644
index 0000000000..8cc1877ff0
--- /dev/null
+++ b/tomlplusplus/src/toml.cpp
@@ -0,0 +1,13 @@
+// This file is a part of toml++ and is subject to the the terms of the MIT license.
+// 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
+
+#ifndef TOML_IMPLEMENTATION
+#define TOML_IMPLEMENTATION
+#endif
+#ifndef TOML_HEADER_ONLY
+#define TOML_HEADER_ONLY 0
+#endif
+
+#include <toml++/toml.hpp>