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// SPDX-License-Identifier: LGPL-3.0-or-later
// Author: Kristian Lytje
#pragma once
#include <array>
#if SAFE_MATH
#include <utility/Exceptions.h>
#endif
namespace ausaxs::container {
template <typename T, int N, int M>
class ArrayContainer2D {
public:
constexpr ArrayContainer2D() noexcept = default;
/**
* @brief Get the value at index i, j, k.
*/
constexpr T& index(int i, int j) noexcept {return data[j + M*i];}
/**
* @brief Get the value at index i, j, k.
*/
constexpr const T& index(int i, int j) const noexcept {return data[j + M*i];}
/**
* @brief Get an iterator to the beginning of the vector at index i.
*/
const typename std::array<T, M>::const_iterator begin(int i) const {
#if SAFE_MATH
if (i >= static_cast<int>(N)) {
throw except::out_of_bounds(
"ArrayContainer2D::begin: Index out of bounds "
"(" + std::to_string(N) + ") <= (" + std::to_string(i) + ")"
);
}
#endif
return data.begin() + i*M;
}
/**
* @brief Get an iterator to the end of the vector at index i.
*/
const typename std::array<T, M>::const_iterator end(unsigned int i) const {
#if SAFE_MATH
if (i >= static_cast<int>(N)) {
throw except::out_of_bounds(
"ArrayContainer2D::end: Index out of bounds "
"(" + std::to_string(N) + ") <= (" + std::to_string(i) + ")"
);
}
#endif
return data.begin() + i*M + M;
}
/**
* @brief Get an iterator to the beginning of the vector at index i.
*/
typename std::array<T, M>::iterator begin(unsigned int i) {
#if SAFE_MATH
if (i >= static_cast<int>(N)) {
throw except::out_of_bounds(
"ArrayContainer2D::begin: Index out of bounds "
"(" + std::to_string(N) + ") <= (" + std::to_string(i) + ")"
);
}
#endif
return data.begin() + i*M;
}
/**
* @brief Get an iterator to the end of the vector at index i.
*/
typename std::array<T, M>::iterator end(unsigned int i) {
#if SAFE_MATH
if (i >= static_cast<int>(N)) {
throw except::out_of_bounds(
"ArrayContainer2D::end: Index out of bounds "
"(" + std::to_string(N) + ") <= (" + std::to_string(i) + ")"
);
}
#endif
return data.begin() + i*M + M;
}
/**
* @brief Get an iterator to the beginning of the entire container.
*/
const typename std::array<T, M>::const_iterator begin() const {return data.begin();}
/**
* @brief Get an iterator to the beginning of the entire container.
*/
const typename std::array<T, M>::const_iterator end() const {return data.end();}
/**
* @brief Get an iterator to the beginning of the entire container.
*/
typename std::array<T, M>::iterator begin() {return data.begin();}
/**
* @brief Get an iterator to the beginning of the entire container.
*/
typename std::array<T, M>::iterator end() {return data.end();}
protected:
std::array<T, N*M> data;
};
}
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