feat(reflect-cpp): Switched from glaze -> reflect cpp

A bug was discovered in glaze which prevented valid toml output. We have
switched to toml++ and reflect-cpp. The interface has remained the same
so this should not break any code

build-config/reflect-cpp/include/rfl/json/Reader.hpp

@@ -0,0 +1,164 @@
+#ifndef RFL_JSON_READER_HPP_
+#define RFL_JSON_READER_HPP_
+
+#if __has_include(<yyjson.h>)
+#include <yyjson.h>
+#else
+#include "../thirdparty/yyjson.h"
+#endif
+
+#include <exception>
+#include <optional>
+#include <string>
+#include <string_view>
+#include <type_traits>
+
+#include "../Result.hpp"
+#include "../always_false.hpp"
+
+namespace rfl {
+namespace json {
+
+struct Reader {
+  struct YYJSONInputArray {
+    YYJSONInputArray(yyjson_val* _val) : val_(_val) {}
+    yyjson_val* val_;
+  };
+
+  struct YYJSONInputObject {
+    YYJSONInputObject(yyjson_val* _val) : val_(_val) {}
+    yyjson_val* val_;
+  };
+
+  struct YYJSONInputVar {
+    YYJSONInputVar() : val_(nullptr) {}
+    YYJSONInputVar(yyjson_val* _val) : val_(_val) {}
+    yyjson_val* val_;
+  };
+
+  using InputArrayType = YYJSONInputArray;
+  using InputObjectType = YYJSONInputObject;
+  using InputVarType = YYJSONInputVar;
+
+  template <class T>
+  static constexpr bool has_custom_constructor =
+      (requires(InputVarType var) { T::from_json_obj(var); });
+
+  rfl::Result<InputVarType> get_field_from_array(
+      const size_t _idx, const InputArrayType _arr) const noexcept {
+    const auto var = InputVarType(yyjson_arr_get(_arr.val_, _idx));
+    if (!var.val_) {
+      return error("Index " + std::to_string(_idx) + " of of bounds.");
+    }
+    return var;
+  }
+
+  rfl::Result<InputVarType> get_field_from_object(
+      const std::string& _name, const InputObjectType _obj) const noexcept {
+    const auto var = InputVarType(yyjson_obj_get(_obj.val_, _name.c_str()));
+    if (!var.val_) {
+      return error("Object contains no field named '" + _name + "'.");
+    }
+    return var;
+  }
+
+  bool is_empty(const InputVarType _var) const noexcept {
+    return !_var.val_ || yyjson_is_null(_var.val_);
+  }
+
+  template <class ArrayReader>
+  std::optional<Error> read_array(const ArrayReader& _array_reader,
+                                  const InputArrayType& _arr) const noexcept {
+    yyjson_val* val;
+    yyjson_arr_iter iter;
+    yyjson_arr_iter_init(_arr.val_, &iter);
+    while ((val = yyjson_arr_iter_next(&iter))) {
+      const auto err = _array_reader.read(InputVarType(val));
+      if (err) {
+        return err;
+      }
+    }
+    return std::nullopt;
+  }
+
+  template <class ObjectReader>
+  std::optional<Error> read_object(const ObjectReader& _object_reader,
+                                   const InputObjectType& _obj) const noexcept {
+    yyjson_obj_iter iter;
+    yyjson_obj_iter_init(_obj.val_, &iter);
+    yyjson_val* key;
+    while ((key = yyjson_obj_iter_next(&iter))) {
+      const auto name = std::string_view(yyjson_get_str(key));
+      _object_reader.read(name, InputVarType(yyjson_obj_iter_get_val(key)));
+    }
+    return std::nullopt;
+  }
+
+  template <class T>
+  rfl::Result<T> to_basic_type(const InputVarType _var) const noexcept {
+    if constexpr (std::is_same<std::remove_cvref_t<T>, std::string>()) {
+      const auto r = yyjson_get_str(_var.val_);
+      if (r == NULL) {
+        return error("Could not cast to string.");
+      }
+      return std::string(r);
+
+    } else if constexpr (std::is_same<std::remove_cvref_t<T>, bool>()) {
+      if (!yyjson_is_bool(_var.val_)) {
+        return error("Could not cast to boolean.");
+      }
+      return yyjson_get_bool(_var.val_);
+
+    } else if constexpr (std::is_floating_point<std::remove_cvref_t<T>>()) {
+      if (!yyjson_is_num(_var.val_)) {
+        return error("Could not cast to double.");
+      }
+      return static_cast<T>(yyjson_get_num(_var.val_));
+
+    } else if constexpr (std::is_unsigned<std::remove_cvref_t<T>>()) {
+      if (!yyjson_is_int(_var.val_)) {
+        return error("Could not cast to int.");
+      }
+      return static_cast<T>(yyjson_get_uint(_var.val_));
+
+    } else if constexpr (std::is_integral<std::remove_cvref_t<T>>()) {
+      if (!yyjson_is_int(_var.val_)) {
+        return error("Could not cast to int.");
+      }
+      return static_cast<T>(yyjson_get_sint(_var.val_));
+
+    } else {
+      static_assert(rfl::always_false_v<T>, "Unsupported type.");
+    }
+  }
+
+  rfl::Result<InputArrayType> to_array(const InputVarType _var) const noexcept {
+    if (!yyjson_is_arr(_var.val_)) {
+      return error("Could not cast to array!");
+    }
+    return InputArrayType(_var.val_);
+  }
+
+  rfl::Result<InputObjectType> to_object(
+      const InputVarType _var) const noexcept {
+    if (!yyjson_is_obj(_var.val_)) {
+      return error("Could not cast to object!");
+    }
+    return InputObjectType(_var.val_);
+  }
+
+  template <class T>
+  rfl::Result<T> use_custom_constructor(
+      const InputVarType _var) const noexcept {
+    try {
+      return T::from_json_obj(_var);
+    } catch (std::exception& e) {
+      return error(e.what());
+    }
+  }
+};
+
+}  // namespace json
+}  // namespace rfl
+
+#endif