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/* BSD 3-Clause License
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#pragma once
#ifndef TCOD_TREE_HPP_
#define TCOD_TREE_HPP_

#include <utility>

#include "tree.h"

class TCODLIB_API TCODTree {
 public:
  TCODTree* next{};
  TCODTree* father{};
  TCODTree* sons{};

  TCODTree() = default;
  TCODTree(const TCODTree&) = delete;
  TCODTree& operator=(const TCODTree&) = delete;
  TCODTree(TCODTree&& rhs) noexcept { (*this) = std::move(rhs); };
  TCODTree& operator=(TCODTree&& rhs) noexcept {
    swap(*this, rhs);
    return *this;
  };

  void addSon(TCODTree* data) {
    data->father = this;
    TCODTree* last_son = sons;
    while (last_son && last_son->next) last_son = last_son->next;
    if (last_son) {
      last_son->next = data;
    } else {
      sons = data;
    }
  }

  friend void swap(TCODTree& lhs, TCODTree& rhs) noexcept {
    std::swap(lhs.next, rhs.next);
    std::swap(lhs.father, rhs.father);
    std::swap(lhs.sons, rhs.sons);
  };
};

#endif  // TCOD_TREE_HPP_