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src/cpsp/gecode/GC_StlSetRangeIterator.hh

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/*
 *  Main authors:
 *     Martin Mann http://www.bioinf.uni-freiburg.de/~mmann/
 *
 *  Contributing authors:
 *     Sebastian Will http://www.bioinf.uni-freiburg.de/~will/
 *
 *  Copyright:
 *     Martin Mann, 2007
 *
 *  This file is part of the CPSP-tools package:
 *     http://www.bioinf.uni-freiburg.de/sw/cpsp/
 *
 *  See the file "LICENSE" for information on usage and
 *  redistribution of this file, and for a
 *     DISCLAIMER OF ALL WARRANTIES.
 *
 */

#ifndef GC_STLSETRANGEITERATOR_HH_
#define GC_STLSETRANGEITERATOR_HH_


#include <set>
#include <iostream>

namespace cpsp
{
  namespace gecode
  {
    
    class GC_StlSetRangeIterator
    {
    private:
        const std::set<int>* data;
        std::set<int>::const_iterator actElem;
        
        bool noFurtherRange;
        
        int nextMin, nextMax;
        
        void getNextRange();
    public:
        GC_StlSetRangeIterator();
        GC_StlSetRangeIterator(const std::set<int>* data_);
        virtual ~GC_StlSetRangeIterator();
        
        void init(const std::set<int>* const data_) {
            data = data_;
            noFurtherRange = false;
            if (data != NULL) 
                actElem = data->begin();
            getNextRange();
        }
        
        bool operator()(void) const { return !noFurtherRange; }
        void operator++(void) { getNextRange(); }
        
        int min(void) const { return nextMin; }
        int max(void) const { return nextMax; }
        unsigned int width(void) { return nextMax-nextMin+1; }
        
        
    };
    
  }
}

#endif /*GC_STLSETRANGEITERATOR_HH_*/