2023-05-29 18:12:22 +08:00

91 lines
2.8 KiB
C++

// Copyright 2015 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 <string>
#include <bsoncxx/document/value.hpp>
#include <bsoncxx/document/view.hpp>
#include <bsoncxx/stdx/optional.hpp>
#include <bsoncxx/config/prelude.hpp>
///
/// Top level namespace for MongoDB C++ BSON functionality.
///
namespace bsoncxx {
BSONCXX_INLINE_NAMESPACE_BEGIN
// Placing this variable between the `BSONCXX_INLINE_NAMESPACE_BEGIN` and the Doxygen documentation
// for `to_json` suppressed the macro name from being shown as part of the return type in the
// generated documentation pages.
extern const bool k_silence_doxygen;
///
/// An enumeration of the types of Extended JSON that the to_json function accepts
enum class ExtendedJsonMode : std::uint8_t {
k_legacy, ///< to produce Legacy Extended JSON
k_canonical, ///< to produce Canonical Extended JSON
k_relaxed, ///< to produce Relaxed Extended JSON
};
///
/// Converts a BSON document to a JSON string, in extended format.
///
/// @param view
/// A valid BSON document.
/// @param mode
/// An optional JSON representation mode.
///
/// @throws bsoncxx::exception with error details if the conversion failed.
///
/// @returns An extended JSON string.
///
BSONCXX_API std::string BSONCXX_CALL to_json(document::view view,
ExtendedJsonMode mode = ExtendedJsonMode::k_legacy);
///
/// Constructs a new document::value from the provided JSON text.
///
/// @param 'json'
/// A string_view into a JSON document.
///
/// @returns A document::value if conversion worked.
///
/// @throws bsoncxx::exception with error details if the conversion failed.
///
BSONCXX_API document::value BSONCXX_CALL from_json(stdx::string_view json);
///
/// Constructs a new document::value from the provided JSON text. This is the UDL version of
/// from_json().
///
/// @param 'json'
/// A string into a JSON document.
///
/// @param 'len'
/// The length of the JSON string. This is calculated automatically upon use of the UDL.
///
/// @returns A document::value if conversion worked.
///
/// @throws bsoncxx::exception with error details if the conversion failed.
///
BSONCXX_API document::value BSONCXX_CALL operator"" _bson(const char* json, size_t len);
BSONCXX_INLINE_NAMESPACE_END
} // namespace bsoncxx
#include <bsoncxx/config/postlude.hpp>