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/*
* Skeleton_blocker_off_io.h
* Created on: Nov 28, 2014
* 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-M�diterran�e (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_OFF_IO_H_
#define SKELETON_BLOCKER_OFF_IO_H_
#include "gudhi/Off_reader.h"
namespace Gudhi {
namespace skbl {
template<typename Complex>
class Skeleton_blocker_off_visitor_reader{
Complex& complex_;
typedef typename Complex::Vertex_handle Vertex_handle;
typedef typename Complex::Point Point;
const bool load_only_points_;
public:
Skeleton_blocker_off_visitor_reader(Complex& complex,bool load_only_points = false):
complex_(complex),
load_only_points_(load_only_points){}
void init(int dim,int num_vertices,int num_faces,int num_edges){
//todo do an assert to check that this number are correctly read
//todo reserve size for vector points
}
void point(const std::vector<double>& point){
complex_.add_vertex(point);
}
void maximal_face(const std::vector<int>& face){
if (!load_only_points_){
for(size_t i = 0 ; i < face.size();++i)
for(size_t j = i+1 ; j < face.size();++j){
complex_.add_edge(Vertex_handle(face[i]),Vertex_handle(face[j]));
}
}
}
void done(){
}
};
template<typename Complex>
class Skeleton_blocker_off_reader{
public:
/**
* name_file : file to read
* read_complex : complex that will receive the file content
* read_only_points : specify true if only the points must be read
*/
Skeleton_blocker_off_reader(const std::string & name_file,Complex& read_complex,bool read_only_points = false):valid_(false){
std::ifstream stream(name_file);
if(stream.is_open()){
Skeleton_blocker_off_visitor_reader<Complex> off_visitor(read_complex,read_only_points);
Off_reader off_reader(stream);
valid_ = off_reader.read(off_visitor);
}
}
/**
* return true iff reading did not meet problems.
*/
bool is_valid() const{
return valid_;
}
private:
bool valid_;
};
} // namespace skbl
} // namespace Gudhi
#endif /* SKELETON_BLOCKER_OFF_IO_H_ */
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