virtual-ranges.icc

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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Guido Tack <tack@gecode.org>
 *
 *  Copyright:
 *     Guido Tack, 2006
 *
 *  Last modified:
 *     $Date: 2007-09-11 15:58:22 +0200 (Tue, 11 Sep 2007) $ by $Author: schulte $
 *     $Revision: 4973 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
 *  Permission is hereby granted, free of charge, to any person obtaining
 *  a copy of this software and associated documentation files (the
 *  "Software"), to deal in the Software without restriction, including
 *  without limitation the rights to use, copy, modify, merge, publish,
 *  distribute, sublicense, and/or sell copies of the Software, and to
 *  permit persons to whom the Software is furnished to do so, subject to
 *  the following conditions:
 *
 *  The above copyright notice and this permission notice shall be
 *  included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

namespace Gecode { namespace Iter { namespace Ranges { namespace Virt {

  class Iterator {
  public:


    virtual void operator++(void) = 0;
    virtual bool operator()(void) = 0;



    virtual int min(void) const = 0;
    virtual int max(void) const = 0;
    virtual unsigned int width(void) const = 0;

    virtual ~Iterator(void);
  };

  forceinline
  Iterator::~Iterator(void) {}

  template <class I>
  class RangesTemplate : public Iterator {
  private:
    I i;
  public:


    RangesTemplate(I& i);
    void init(I& i);



    virtual void operator++(void);
    virtual bool operator()(void);



    virtual int min(void) const;
    virtual int max(void) const;
    virtual unsigned int width(void) const;
  };

  template <class I>
  RangesTemplate<I>::RangesTemplate(I& i0) : i(i0) {}

  template <class I>
  void
  RangesTemplate<I>::init(I& i0) { i=i0; }

  template <class I>
  bool
  RangesTemplate<I>::operator()(void) { return i(); }

  template <class I>
  void
  RangesTemplate<I>::operator++(void) { ++i; }

  template <class I>
  int
  RangesTemplate<I>::min(void) const { return i.min(); }

  template <class I>
  int
  RangesTemplate<I>::max(void) const { return i.max(); }

  template <class I>
  unsigned int
  RangesTemplate<I>::width(void) const { return i.width(); }

}}}}

// STATISTICS: iter-any