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/************************************************************************
*
* Copyright (C) 2021-2024 IRCAD France
* Copyright (C) 2017 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#pragma once
#include <sight/io/__/config.hpp>
#include <filesystem>
#include <fstream>
#include <iostream>
#include <string>
#include <vector>
namespace sight::io::reader
{
/**
* @brief Read CSV file and returns parsed tokens.
* The input file is supposed to use comma separator, but another separator can be used when reading file.
*/
class SIGHT_IO_CLASS_API csv_reader
{
public:
/**
* @brief Constructor
*
* @param _csv_path the stream to read
*/
SIGHT_IO_API csv_reader(const std::filesystem::path& _csv_path);
/// Destructor
SIGHT_IO_API virtual ~csv_reader();
/// Containers to store parsed tokens.
using token_container_t = std::vector<std::string>;
/**
* @brief Returns whether end of file has been reached or not.
*
*/
SIGHT_IO_API bool eof() const;
/**
* @brief Returns tokens on next line to read, using comma separator
*
* Other separators can be used
* @param _separator token separator
*
* @return tokens found on next line separated with given characters
*/
SIGHT_IO_API token_container_t get_line(const std::string& _separator = ",");
private:
/// Associated stream
std::ifstream m_stream;
};
} // namespace sight::io::reader
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