remwharead/include/export/export.hpp
tastytea 9d3ace6de0
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Remove duplicates in search results.
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/* 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/>.
*/
#ifndef REMWHAREAD_EXPORT_HPP
#define REMWHAREAD_EXPORT_HPP
#include <list>
#include <iostream>
#include "sqlite.hpp"
using std::list;
using std::ostream;
using std::cout;
namespace remwharead
{
namespace Export
{
/*!
* @brief Base class for exports.
*
* @since 0.6.0
*
* @headerfile export.hpp remwharead/export/export.hpp
*/
class ExportBase
{
public:
/*!
* @brief Export list of Database::entry.
*
* @param entries List of Database::entry to export.
* @param out Output stream.
*/
explicit ExportBase(const list<Database::entry> &entries,
ostream &out = cout);
/*!
* @brief Print output to std::ostream.
*/
virtual void print() const = 0;
protected:
const list<Database::entry> _entries;
ostream &_out;
/*!
* @brief Sort entries from newest to oldest and remove duplicates.
*
* @param entries List of Database::entry to sort.
*
* @return Sorted list of Database::entry.
*/
const list<Database::entry>
sort_entries(list<Database::entry> entries) const;
};
}
}
#endif // REMWHAREAD_EXPORT_HPP