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/************************************************************************
*
* Copyright (C) 2017-2023 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/>.
*
***********************************************************************/
#include "io/__/reader/csv_reader.hpp"
#include <core/exceptionmacros.hpp>
#include <core/spy_log.hpp>
#include <boost/tokenizer.hpp>
#include <fstream>
#include <string>
namespace sight::io::reader
{
//------------------------------------------------------------------------------
csv_reader::csv_reader(const std::filesystem::path& _csv_path) :
m_stream(_csv_path)
{
SIGHT_THROW_IF(
"CSV File Path Directory can not be Found",
!std::filesystem::exists(_csv_path)
);
}
//------------------------------------------------------------------------------
csv_reader::~csv_reader()
= default;
//------------------------------------------------------------------------------
using char_separator_t = boost::char_separator<char>;
using tokenizer_t = boost::tokenizer<char_separator_t>;
//------------------------------------------------------------------------------
bool csv_reader::eof() const
{
return m_stream.eof();
}
//------------------------------------------------------------------------------
csv_reader::token_container_t csv_reader::get_line(const std::string& _separator)
{
std::string line;
token_container_t tokens;
const char_separator_t sep(_separator.c_str(), "", boost::keep_empty_tokens);
if(std::getline(m_stream, line))
{
if(!line.empty() && line.back() == '\n')
{
line.pop_back();
}
if(!line.empty() && line.back() == '\r')
{
line.pop_back();
}
tokenizer_t tokenizer(line, sep);
tokens.assign(tokenizer.begin(), tokenizer.end());
}
return tokens;
}
//------------------------------------------------------------------------------
} // namespace sight::io::reader
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