error_code.hpp

// Copyright 2015-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 <system_error>
 
#include <mongocxx/config/prelude.hpp>
 
namespace mongocxx {
MONGOCXX_INLINE_NAMESPACE_BEGIN
 
enum class error_code : std::int32_t {
    k_cannot_recreate_instance = 1,
 
    k_invalid_client_object,
 
    k_invalid_collection_object,
 
    k_invalid_database_object,
 
    k_invalid_parameter,
 
    k_ssl_not_supported,
 
    k_unknown_read_concern,
 
    k_unknown_write_concern,
 
    k_server_response_malformed,
 
    k_invalid_uri,
 
    k_invalid_gridfs_bucket_object,
 
    k_invalid_gridfs_uploader_object,
 
    k_invalid_gridfs_downloader_object,
 
    k_gridfs_stream_not_open,
 
    k_gridfs_upload_requires_too_many_chunks,
 
    k_gridfs_file_not_found,
 
    k_gridfs_file_corrupted,
 
    k_instance_destroyed,
 
    k_cannot_create_session,
 
    k_invalid_session,
 
    k_invalid_transaction_options_object,
 
    // A resource (server API handle, etc.) could not be created:
    k_create_resource_fail,
 
    // Add new constant string message to error_code.cpp as well!
};
 
MONGOCXX_API const std::error_category& MONGOCXX_CALL error_category();
 
MONGOCXX_INLINE std::error_code make_error_code(error_code error) {
    return {static_cast<int>(error), error_category()};
}
 
MONGOCXX_INLINE_NAMESPACE_END
}  // namespace mongocxx
 
#include <mongocxx/config/postlude.hpp>
 
namespace std {
// Specialize is_error_code_enum so we get simpler std::error_code construction
template <>
struct is_error_code_enum<mongocxx::error_code> : public true_type {};
}  // namespace std