view.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 <bsoncxx/v1/array/view-fwd.hpp> // IWYU pragma: export
 
//
 
#include <bsoncxx/v1/detail/prelude.hpp>
 
#include <bsoncxx/v1/config/export.hpp>
#include <bsoncxx/v1/document/view.hpp> // IWYU pragma: export
#include <bsoncxx/v1/element/view.hpp>  // IWYU pragma: export
 
#include <cstddef>
#include <cstdint>
 
namespace bsoncxx {
namespace v1 {
namespace array {

class view {
   public:
    using const_iterator = v1::document::view::const_iterator;

    using iterator = const_iterator;
 
   private:
    v1::document::view _view;
 
   public:
    view() = default;

    explicit view(std::uint8_t const* data) : _view{data} {}

    view(std::uint8_t const* data, std::size_t length) : _view{data, length} {}

    std::uint8_t const* data() const {
        return _view.data();
    }

    std::size_t size() const {
        return _view.size();
    }

    std::size_t length() const {
        return _view.length();
    }

    bool empty() const {
        return _view.empty();
    }

    explicit operator bool() const {
        return _view.operator bool();
    }

    const_iterator cbegin() const {
        return _view.cbegin();
    }

    const_iterator cend() const {
        return {};
    }

    const_iterator begin() const {
        return this->cbegin();
    }

    const_iterator end() const {
        return this->cend();
    }

    BSONCXX_ABI_EXPORT_CDECL(const_iterator) find(std::uint32_t i) const;

    v1::element::view operator[](std::uint32_t i) const {
        return *(this->find(i));
    }

    /* explicit(false) */ operator v1::document::view() const {
        return _view;
    }

    friend bool operator==(view lhs, view rhs) {
        return lhs._view == rhs._view;
    }

    friend bool operator!=(view lhs, view rhs) {
        return !(lhs == rhs);
    }
};
 
} // namespace array
} // namespace v1
} // namespace bsoncxx
 
#include <bsoncxx/v1/detail/postlude.hpp>