range_output.h

// Description: Range reporter

#ifndef PASTELSYS_RANGE_OUTPUT_H
#define PASTELSYS_RANGE_OUTPUT_H

#include "pastel/sys/output/output_concept.h"

namespace Pastel
{

    template <typename Iterator>
    class Range_Output
    {
    public:
        explicit Range_Output(
            Iterator begin,
            Iterator end)
            : begin_(begin)
            , end_(end)
        {
        }

        template <typename That>
        bool operator()(That&& that) const
        {
            if (begin_ != end_)
            {
                *begin_ = std::forward<That>(that);
                ++begin_;
            }

            return begin_ != end_;
        }

    private:
        mutable Iterator begin_;
        Iterator end_;
    };

    template <typename Range>
    Range_Output<typename boost::range_iterator<Range>::type> rangeOutput(
        const Range& range)
    {
        typedef typename boost::range_iterator<Range>::type
            Iterator;

        return Range_Output<Iterator>(
            range.begin(), range.end());
    }

}

#endif