managed_binary.hpp

 
//
// Copyright 2024 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
 
#ifndef CPPREALM_MANAGED_BINARY_HPP
#define CPPREALM_MANAGED_BINARY_HPP
 
#include <cpprealm/macros.hpp>
#include <cpprealm/types.hpp>
 
namespace realm {
    class rbool;
}
 
namespace realm {
 
    template<>
    struct managed<std::vector<uint8_t>> : managed_base {
        using managed<std::vector<uint8_t>>::managed_base::operator=;
 
        [[nodiscard]] std::vector<uint8_t> detach() const;
        [[nodiscard]]  operator std::vector<uint8_t>() const;
 
        std::vector<uint8_t> operator*() const;
        void push_back(uint8_t v);
        uint8_t operator[](uint8_t idx) const;
        size_t size() const;
 
        //MARK: -   comparison operators
        rbool operator==(const std::vector<uint8_t>& rhs) const noexcept;
        rbool operator!=(const std::vector<uint8_t>& rhs) const noexcept;
 
    private:
        managed() = default;
        managed(const managed&) = delete;
        managed(managed &&) = delete;
        managed& operator=(const managed&) = delete;
        managed& operator=(managed&&) = delete;
        template<typename, typename>
        friend struct managed;
    };
 
    template<>
    struct managed<std::optional<std::vector<uint8_t>>> : managed_base {
        using managed<std::optional<std::vector<uint8_t>>>::managed_base::operator=;
 
        [[nodiscard]] std::optional<std::vector<uint8_t>> detach() const;
        [[nodiscard]]  operator std::optional<std::vector<uint8_t>>() const;
 
        struct box {
            std::optional<std::vector<uint8_t>> operator*() const;
            void push_back(uint8_t v);
            uint8_t operator[](uint8_t idx) const;
            size_t size() const;
        private:
            box(managed& parent) : m_parent(parent) { }
            std::reference_wrapper<managed<std::optional<std::vector<uint8_t>>>> m_parent;
            friend struct managed<std::optional<std::vector<uint8_t>>>;
        };
 
        std::unique_ptr<box> operator->()
        {
            return std::make_unique<box>(box(*this));
        }
        [[nodiscard]] box operator*() {
            return box(*this);
        }
 
        //MARK: -   comparison operators
        rbool operator==(const std::optional<std::vector<uint8_t>>& rhs) const noexcept;
        rbool operator!=(const std::optional<std::vector<uint8_t>>& rhs) const noexcept;
 
    private:
        managed() = default;
        managed(const managed&) = delete;
        managed(managed &&) = delete;
        managed& operator=(const managed&) = delete;
        managed& operator=(managed&&) = delete;
        template<typename, typename>
        friend struct managed;
    };
}
 
 
#endif//CPPREALM_MANAGED_BINARY_HPP