remwharead/src/lib/export/csv.cpp

/*  This file is part of remwharead.
 *  Copyright © 2019 tastytea <tastytea@tastytea.de>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, version 3.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "time.hpp"
#include "csv.hpp"

namespace remwharead
{
    using std::cerr;
    using std::endl;

    void Export::CSV::print() const
    {
        try
        {
            _out << "\"URI\",\"Archived URI\",\"Date & time\",\"Tags\","
                 << "\"Title\",\"Description\",\"Full text\"\r\n";
            for (const Database::entry &entry : _entries)
            {
                string strtags;
                for (const string &tag : entry.tags)
                {
                    strtags += tag;
                    if (tag != *(entry.tags.rbegin()))
                    {
                        strtags += ",";
                    }
                }
                _out << '"' << quote(entry.uri) << "\",\""
                     << quote(entry.archive_uri) << "\",\""
                     << timepoint_to_string(entry.datetime) << "\",\""
                     << quote(strtags) << "\",\""
                     << quote(entry.title) << "\",\""
                     << quote(entry.description) << "\",\""
                     << quote(entry.fulltext_oneline()) << '"'<< "\r\n";
            }
        }
        catch (std::exception &e)
        {
            cerr << "Error in " << __func__ << ": " << e.what() << endl;
        }
    }

    const string Export::CSV::quote(string field) const
    {
        size_t pos = 0;
        while ((pos = field.find('"', pos)) != std::string::npos)
        {
            field.replace(pos, 1, "\"\"");
        }
        return field;
    }
}