ISetIter.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#pragma ident "%Z%%M% %I% %E% SMI"
#ifndef ISetIter_INCLUDED
#define ISetIter_INCLUDED
#include <stddef.h>
#include "ISet.h"
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
template<class T>
class ISetIter {
public:
ISetIter(const ISet<T> &s) : p_(&s), i_(0) { }
// min and max are not changed if 0 is returned.
int next(T &min, T &max)
{
if (i_ < p_->r_.size()) {
min = p_->r_[i_].min;
max = p_->r_[i_].max;
i_++;
return 1;
}
else
return 0;
}
private:
const ISet<T> *p_;
size_t i_;
};
#ifdef SP_NAMESPACE
}
#endif
#endif /* ISetIter_INCLUDED */