value.hxx

/*
 * Copyright (C) 2024-2026 David C. Manuelda (StormBytePP)
 *
 * This file is part of StormByte-Config.
 *
 * StormByte-Config is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * or later, as published by the Free Software Foundation.
 *
 * StormByte-Config is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with StormByte-Config. If not, see
 * <https://www.gnu.org/licenses/lgpl-3.0.html>.
 */
 
#pragma once
 
#include <StormByte/config/item/base.hxx>
 
#include <cstddef>
#include <vector>
 
namespace StormByte::Config::Item {
    template<AllowedValueType T>
    class STORMBYTE_CONFIG_PUBLIC Value: public Base {
        public:
            Value(const T& value): Base(), m_value(value) {}
 
            template <typename U = T>
            Value(const char* value) requires std::is_same_v<U, std::string>
                : Base(), m_value(std::string(value)) {}
 
            template <typename U = T>
            Value(const char* name, const char* value) requires std::is_same_v<U, std::string>
                : Base(std::string(name)), m_value(std::string(value)) {}
 
            Value(T&& value): Base(), m_value(std::move(value)) {}
 
            Value(const std::string& name, const T& value): Base(name), m_value(value) {}
 
            Value(std::string&& name, T&& value): Base(std::move(name)), m_value(std::move(value)) {}
 
            Value(const std::string& name, const char* value) requires std::is_same_v<T, std::string>
                : Base(name), m_value(std::string(value)) {}
 
            Value(std::string&& name, const char* value) requires std::is_same_v<T, std::string>
                : Base(std::move(name)), m_value(std::string(value)) {}
 
            Value(const Value& single) = default;
 
            Value(Value&& single) noexcept = default;
 
            Value& operator=(const Value& single) = default;
 
            Value& operator=(Value&& single) noexcept = default;
 
            virtual ~Value() noexcept override = default;
            bool Equals(const Base& other) const noexcept override {
                if (this->Type() != other.Type())
                    return false;
                if (this->Name() != other.Name())
                    return false;
                const Value<T>& other_value = static_cast<const Value<T>&>(other);
                return m_value == other_value.m_value;
            }
 
            constexpr virtual Item::Type Type() const noexcept override {
                if constexpr (std::is_same_v<T, std::string>) {
                    return Item::Type::String;
                } else if constexpr (std::is_same_v<T, int>) {
                    return Item::Type::Integer;
                } else if constexpr (std::is_same_v<T, double>) {
                    return Item::Type::Double;
                } else if constexpr (std::is_same_v<T, bool>) {
                    return Item::Type::Bool;
                } else if constexpr (std::is_same_v<T, std::vector<std::byte>>) {
                    return Item::Type::Binary;
                }
            }
 
            bool operator==(const Value<T>& single) const noexcept {
                return Equals(single);
            }
 
            bool operator!=(const Value<T>& single) const noexcept {
                return !operator==(single);
            }
 
            T& operator*() noexcept {
                return m_value;
            }
 
            const T& operator*() const noexcept {
                return m_value;
            }
 
            std::string Serialize(const int& indent_level) const noexcept override;
 
            virtual PointerType Clone() const override {
                return MakePointer<Value<T>>(*this);
            }
 
            virtual PointerType Move() override {
                return MakePointer<Value<T>>(std::move(*this));
            }
        protected:
            T m_value; 
    };
 
    Value(const char*) -> Value<std::string>;
    Value(const char*, const char*) -> Value<std::string>;
}