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/************************************************************************
*
* Copyright (C) 2024 IRCAD France
*
* 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/generic.hpp"
#include <core/compound_types.hpp>
#include <boost/algorithm/string.hpp>
namespace sight::data
{
/**
* @brief This generic class contains an array of scalar values.
*/
template<typename T, std::size_t N>
requires std::is_arithmetic_v<T>
class SIGHT_DATA_CLASS_API vec : public generic<std::array<T,
N> >
{
public:
using array_t = std::array<T, N>;
using generic<array_t>::generic;
using generic<array_t>::operator=;
using generic<array_t>::operator[];
vec()
{
std::ranges::fill(this->value(), static_cast<T>(0));
}
vec(std::initializer_list<T> _data)
{
SIGHT_ASSERT(
"vec constructor needs " + std::to_string(N) + " elements: " + std::to_string(_data.size()) + " given.",
_data.size() == N
);
std::ranges::copy(_data, this->value().begin());
}
//------------------------------------------------------------------------------
~vec() noexcept override = default;
//------------------------------------------------------------------------------
std::string to_string() const override
{
std::vector<std::string> s;
std::ranges::transform(this->value(), std::back_inserter(s), [](auto& _s){return std::to_string(_s);});
return boost::join(s, ";");
}
//------------------------------------------------------------------------------
void from_string(const std::string& _value) override
{
std::vector<std::string> tokens;
boost::split(tokens, _value, boost::is_any_of(";"));
SIGHT_THROW_EXCEPTION_IF(
data::exception("Unexpected number of arguments in string initializer"),
tokens.size() != N
);
std::ranges::transform(
tokens,
this->value().begin(),
[](const std::string& _value)
{
return boost::lexical_cast<T>(boost::trim_copy(_value));
});
}
};
#define DECLARE_VEC(_class, _T, _N) \
class SIGHT_DATA_CLASS_API _class final : public sight::data::vec<_T, \
_N> \
{ \
public: \
SIGHT_DECLARE_CLASS(_class, data::string_serializable); \
using sight::data::vec<_T, _N>::vec; \
using sight::data::vec<_T, _N>::operator=; \
};
} // namespace sight::data
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