Skeleton_blocker_complex_visitor.h

/*    This file is part of the Gudhi Library. The Gudhi library
 *    (Geometric Understanding in Higher Dimensions) is a generic C++
 *    library for computational topology.
 *
 *    Author(s):       David Salinas
 *
 *    Copyright (C) 2014  INRIA Sophia Antipolis-Mediterranee (France)
 *
 *    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, either version 3 of the License, or
 *    (at your option) any later version.
 *
 *    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 SKELETON_BLOCKER_SKELETON_BLOCKER_COMPLEX_VISITOR_H_
#define SKELETON_BLOCKER_SKELETON_BLOCKER_COMPLEX_VISITOR_H_

#include <gudhi/Skeleton_blocker/Skeleton_blocker_simplex.h>

namespace Gudhi {

namespace skbl {
// todo rajouter les const

template<typename Vertex_handle>
class Skeleton_blocker_complex_visitor {
 public:
  virtual ~Skeleton_blocker_complex_visitor() {}

  virtual void on_add_vertex(Vertex_handle) = 0;
  virtual void on_remove_vertex(Vertex_handle) = 0;

  virtual void on_add_edge(Vertex_handle a, Vertex_handle b) = 0;
  virtual void on_remove_edge(Vertex_handle a, Vertex_handle b) = 0;

  virtual void on_changed_edge(Vertex_handle a, Vertex_handle b) = 0;

  virtual void on_swaped_edge(Vertex_handle a, Vertex_handle b,
                              Vertex_handle x) = 0;
  virtual void on_add_blocker(
      const Skeleton_blocker_simplex<Vertex_handle>&) = 0;
  virtual void on_delete_blocker(
      const Skeleton_blocker_simplex<Vertex_handle>*) = 0;
};

template<typename Vertex_handle>
class Dummy_complex_visitor : public Skeleton_blocker_complex_visitor<
    Vertex_handle> {
 public:
  void on_add_vertex(Vertex_handle) {
  }
  void on_remove_vertex(Vertex_handle) {
  }
  void on_add_edge(Vertex_handle a, Vertex_handle b) {
  }
  void on_remove_edge(Vertex_handle a, Vertex_handle b) {
  }
  void on_changed_edge(Vertex_handle a, Vertex_handle b) {
  }
  void on_swaped_edge(Vertex_handle a, Vertex_handle b, Vertex_handle x) {
  }
  void on_add_blocker(const Skeleton_blocker_simplex<Vertex_handle>&) {
  }
  void on_delete_blocker(const Skeleton_blocker_simplex<Vertex_handle>*) {
  }
};

template<typename Vertex_handle>
class Print_complex_visitor : public Skeleton_blocker_complex_visitor<
    Vertex_handle> {
 public:
  void on_add_vertex(Vertex_handle v) {
    std::cerr << "on_add_vertex:" << v << std::endl;
  }
  void on_remove_vertex(Vertex_handle v) {
    std::cerr << "on_remove_vertex:" << v << std::endl;
  }
  void on_add_edge(Vertex_handle a, Vertex_handle b) {
    std::cerr << "on_add_edge:" << a << "," << b << std::endl;
  }
  void on_remove_edge(Vertex_handle a, Vertex_handle b) {
    std::cerr << "on_remove_edge:" << a << "," << b << std::endl;
  }
  void on_changed_edge(Vertex_handle a, Vertex_handle b) {
    std::cerr << "on_changed_edge:" << a << "," << b << std::endl;
  }
  void on_swaped_edge(Vertex_handle a, Vertex_handle b, Vertex_handle x) {
    std::cerr << "on_swaped_edge:" << a << "," << b << "," << x << std::endl;
  }
  void on_add_blocker(const Skeleton_blocker_simplex<Vertex_handle>& b) {
    std::cerr << "on_add_blocker:" << b << std::endl;
  }
  void on_delete_blocker(const Skeleton_blocker_simplex<Vertex_handle>* b) {
    std::cerr << "on_delete_blocker:" << b << std::endl;
  }
};

}  // namespace skbl

}  // namespace Gudhi

#endif  // SKELETON_BLOCKER_SKELETON_BLOCKER_COMPLEX_VISITOR_H_