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IM/MDB/imm_mongodb/bsoncxx/exception/error_code.hpp
2023-05-29 18:12:22 +08:00

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// 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 <cstdint>
#include <system_error>
#include <bsoncxx/config/prelude.hpp>
namespace bsoncxx {
BSONCXX_INLINE_NAMESPACE_BEGIN
///
/// Enum representing the various error types that can occur while operating on BSON values.
///
enum class error_code : std::int32_t {
/// A new key was appended while building a subarray.
k_cannot_append_key_in_sub_array = 1,
/// A subarray was closed while building a subdocument.
k_cannot_close_array_in_sub_document,
/// A subdocument was closed while building a subarray.
k_cannot_close_document_in_sub_array,
/// An array operation was performed while building a document.
k_cannot_perform_array_operation_on_document,
/// A document operation was performed while building an array.
k_cannot_perform_document_operation_on_array,
#define BSONCXX_ENUM(name, value) k_need_element_type_k_##name,
#include <bsoncxx/enums/type.hpp>
#undef BSONCXX_ENUM
/// No key was provided when one was needed.
k_need_key,
/// An array was closed while no array was open.
k_no_array_to_close,
/// A document was closed while no document was open.
k_no_document_to_close,
// Attempted to view or extract a document when a key was still awaiting a matching value.
k_unmatched_key_in_builder,
/// An empty element was accessed.
k_unset_element,
/// A JSON document failed to parse.
k_json_parse_failure,
/// An Object ID string failed to parse.
k_invalid_oid,
// This type is unused and deprecated.
k_failed_converting_bson_to_json,
/// A Decimal128 string failed to parse.
k_invalid_decimal128,
/// BSON data could not be processed, but no specific reason was available.
k_internal_error,
/// Failed to begin appending an array to a BSON document or array.
k_cannot_begin_appending_array,
/// Failed to begin appending a BSON document to a BSON document or array.
k_cannot_begin_appending_document,
/// Failed to complete appending an array to a BSON document or array.
k_cannot_end_appending_array,
/// Failed to complete appending a BSON document to a BSON document or array.
k_cannot_end_appending_document,
/// Invalid binary subtype.
k_invalid_binary_subtype,
/// Invalid type.
k_invalid_bson_type_id,
/// A value failed to append.
#define BSONCXX_ENUM(name, value) k_cannot_append_##name,
#include <bsoncxx/enums/type.hpp>
#undef BSONCXX_ENUM
k_cannot_append_utf8 = k_cannot_append_string,
k_need_element_type_k_utf8 = k_need_element_type_k_string,
// Add new constant string message to error_code.cpp as well!
};
///
/// Get the error_category for exceptions originating from the bsoncxx library.
///
/// @return The bsoncxx error_category
///
BSONCXX_API const std::error_category& BSONCXX_CALL error_category();
///
/// Translate a bsoncxx::error_code into a std::error_code.
///
/// @param error An error from bsoncxx
/// @return An error_code
///
BSONCXX_INLINE std::error_code make_error_code(error_code error) {
return {static_cast<int>(error), error_category()};
}
BSONCXX_INLINE_NAMESPACE_END
} // namespace bsoncxx
#include <bsoncxx/config/postlude.hpp>
namespace std {
// Specialize is_error_code_enum so we get simpler std::error_code construction
template <>
struct is_error_code_enum<bsoncxx::error_code> : public true_type {};
} // namespace std