Program Listing for File file_types.cpp

            

            
/*
* SPDX-FileCopyrightText: Copyright (c) 2021-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* 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.
*/

#include "morpheus/objects/file_types.hpp"

#include "morpheus/utilities/string_util.hpp"

#include <filesystem>
#include <sstream> // ostringstream needed by MORPHEUS_CONCAT_STR
#include <stdexcept>

namespace morpheus {

FileTypes determine_file_type(const std::string& filename)
{
    auto filename_path = std::filesystem::path(filename);

    if (filename_path.extension() == ".json" || filename_path.extension() == ".jsonlines")
    {
        return FileTypes::JSON;
    }
    else if (filename_path.extension() == ".csv")
    {
        return FileTypes::CSV;
    }
    else if (filename_path.extension() == ".parquet")
    {
        return FileTypes::PARQUET;
    }
    else
    {
        throw std::runtime_error(MORPHEUS_CONCAT_STR("Unsupported extension '"
                                                     << filename_path.extension()
                                                     << "' with 'auto' type. 'auto' only works with: csv, json"));
    }
}

}  // namespace morpheus