value.hpp

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// Copyright 2009-present MongoDB, 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.
 
#pragma once
 
#include <cstdlib>
#include <memory>
 
#include <bsoncxx/array/value-fwd.hpp>
 
#include <bsoncxx/array/view.hpp>
#include <bsoncxx/document/value.hpp>
 
#include <bsoncxx/config/prelude.hpp>
 
namespace bsoncxx {
namespace v_noabi {
namespace array {
 
class value {
   public:
    using deleter_type = void(BSONCXX_ABI_CDECL*)(std::uint8_t*);
    using unique_ptr_type = std::unique_ptr<uint8_t[], deleter_type>;
 
    BSONCXX_ABI_EXPORT_CDECL() value(std::uint8_t* data, std::size_t length, deleter_type dtor);
 
    BSONCXX_ABI_EXPORT_CDECL() value(unique_ptr_type ptr, std::size_t length);
 
    explicit BSONCXX_ABI_EXPORT_CDECL() value(array::view view);
 
    BSONCXX_ABI_EXPORT_CDECL() value(const value&);
    BSONCXX_ABI_EXPORT_CDECL(value&) operator=(const value&);
 
    value(value&&) = default;
    value& operator=(value&&) = default;
 
    array::view view() const noexcept {
        return array::view{static_cast<uint8_t*>(_data.get()), _length};
    }
 
    operator array::view() const noexcept {
        return view();
    }
 
    BSONCXX_ABI_EXPORT_CDECL(unique_ptr_type) release();
 
   private:
    unique_ptr_type _data;
    std::size_t _length{0};
};
 
}  // namespace array
}  // namespace v_noabi
}  // namespace bsoncxx
 
#include <bsoncxx/config/postlude.hpp>