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/************************************************************************
*
* Copyright (C) 2009-2024 IRCAD France
* Copyright (C) 2012-2021 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/data/config.hpp>
#include "data/exception.hpp"
#include "data/factory/new.hpp"
#include "data/object.hpp"
#include "data/scalar.hpp"
#include <boost/algorithm/string.hpp>
namespace sight::data
{
/**
* @brief This class contains a boolean value.
*
* boolean object is essentially used as a field in other objects.
*/
class SIGHT_DATA_CLASS_API boolean final : public scalar<bool>
{
public:
SIGHT_DECLARE_CLASS(boolean, scalar<bool>);
using scalar<bool>::scalar;
using scalar<bool>::operator=;
//------------------------------------------------------------------------------
std::string to_string() const final
{
return this->value() ? "true" : "false";
}
//------------------------------------------------------------------------------
void from_string(const std::string& _value) final
{
const auto value = boost::trim_copy(_value);
if(value == "true")
{
this->value() = true;
}
else if(value == "false")
{
this->value() = false;
}
else
{
throw data::exception("Value " + _value + " can not be converted to a boolean.");
}
}
};
} // namespace sight::data
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