IndexArray.h

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/*
  SOLID - Software Library for Interference Detection
  Copyright (C) 1997-1998  Gino van den Bergen

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.

  This library 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
  Library General Public License for more details.

  You should have received a copy of the GNU Library General Public
  License along with this library; if not, write to the Free
  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

  Please send remarks, questions and bug reports to gino@win.tue.nl,
  or write to:
                  Gino van den Bergen
          Department of Mathematics and Computing Science
          Eindhoven University of Technology
          P.O. Box 513, 5600 MB Eindhoven, The Netherlands
*/

#ifndef _INDEXARRAY_H_
#define _INDEXARRAY_H_

#ifdef _MSC_VER
#pragma warning(disable:4786) // identifier was truncated to '255'
#endif // _MSC_VER

#include <algorithm>

class IndexArray {
public:
  IndexArray() : indices(0), count(0) {}
  IndexArray(int n) : indices(new unsigned int[n]), count(n) {}
  IndexArray(int n, const unsigned int v[]) : 
    indices(new unsigned int[n]), count(n) { copy(&v[0], &v[n], &indices[0]); }

  ~IndexArray() { delete [] indices; }
  
  int operator[](int i) const { return indices[i]; }
  int size() const { return count; }

private:
  IndexArray(const IndexArray&);
  IndexArray& operator=(const IndexArray&);

  unsigned int *indices;
  int count;
};
  
#endif