value.hpp

// Copyright 2020 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 <iostream>
#include <memory>
#include <vector>
 
#include <bsoncxx/array/view_or_value.hpp>
#include <bsoncxx/document/view_or_value.hpp>
#include <bsoncxx/stdx/make_unique.hpp>
#include <bsoncxx/types/bson_value/view.hpp>
 
#include <bsoncxx/config/prelude.hpp>
 
namespace bsoncxx {
BSONCXX_INLINE_NAMESPACE_BEGIN
 
namespace types {
namespace bson_value {
 
class BSONCXX_API value {
   public:
#define BSONCXX_ENUM(name, val) value(b_##name v);
#include <bsoncxx/enums/type.hpp>
#undef BSONCXX_ENUM
 
    value(const char* v);
 
    value(std::string v);
 
    value(stdx::string_view v);
 
    value(int32_t v);
 
    value(int64_t v);
 
    value(double v);
 
    value(bool v);
 
    value(oid v);
 
    value(decimal128 v);
 
    value(std::chrono::milliseconds v);
 
    value(std::nullptr_t);
 
    value(bsoncxx::document::view v);
 
    value(bsoncxx::array::view v);
 
    value(std::vector<unsigned char> v, const binary_sub_type sub_type = {});
 
    value(const uint8_t* data, size_t size, const binary_sub_type sub_type = {});
 
    value(stdx::string_view collection, oid value);
 
    value(stdx::string_view code, bsoncxx::document::view_or_value scope);
 
    value(stdx::string_view regex, stdx::string_view options);
 
    value(const type id, stdx::string_view v);
 
    value(const type id);
 
    value(const type id, uint64_t a, uint64_t b);
 
    ~value();
 
    value(const value&);
    value& operator=(const value&);
 
    value(value&&) noexcept;
    value& operator=(value&&) noexcept;
 
    explicit value(const view&);
 
    bson_value::view view() const noexcept;
 
    operator bson_value::view() const noexcept;
 
   private:
    friend class bsoncxx::document::element;
 
    value(const std::uint8_t* raw,
          std::uint32_t length,
          std::uint32_t offset,
          std::uint32_t keylen);
 
    // Makes a copy of 'internal_value' and owns the copy.
    value(void* internal_value);
 
    friend value make_owning_bson(void* internal_value);
 
    class BSONCXX_PRIVATE impl;
    std::unique_ptr<impl> _impl;
};
 
BSONCXX_INLINE bool operator==(const value& lhs, const value& rhs) {
    return (lhs.view() == rhs.view());
}
 
BSONCXX_INLINE bool operator!=(const value& lhs, const value& rhs) {
    return !(lhs == rhs);
}
 
 
BSONCXX_INLINE bool operator==(const value& lhs, const view& rhs) {
    return (lhs.view() == rhs);
}
 
BSONCXX_INLINE bool operator==(const view& lhs, const value& rhs) {
    return (rhs == lhs);
}
 
BSONCXX_INLINE bool operator!=(const value& lhs, const view& rhs) {
    return !(lhs == rhs);
}
 
BSONCXX_INLINE bool operator!=(const view& lhs, const value& rhs) {
    return !(lhs == rhs);
}
 
 
}  // namespace bson_value
}  // namespace types
 
BSONCXX_INLINE_NAMESPACE_END
}  // namespace bsoncxx
 
#include <bsoncxx/config/postlude.hpp>