PolyTableSlice.hpp

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/*

Copyright (C) 2003-2009 Kevin Thornton, krthornt[]@[]uci.edu

Remove the brackets to email me.

This file is part of libsequence.

libsequence is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

libsequence 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 General Public License for more details.

You should have received a copy of the GNU General Public License
long with libsequence.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef __POLY_TABLE_SLICE_HPP__
#define __POLY_TABLE_SLICE_HPP__
#include <vector>
#include <utility>
#include <type_traits>
#include <Sequence/SeqConstants.hpp>

namespace Sequence 
{
  template<typename T> class PolyTableSlice
  {
  public:
    typedef std::pair<PolyTable::const_site_iterator,
                      PolyTable::const_site_iterator> range;
  private:
    static_assert( std::is_base_of<Sequence::PolyTable,T>::value,
                   "T must be derived from Sequence::PolyTable" );
    //we store the window info as pointers to the range of sites 
    //in each window
    std::vector< range > windows;
    void process_windows(  const PolyTable::const_site_iterator beg,
                           const PolyTable::const_site_iterator end,
                           const double & window_size,
                           const double & step_len,
                           const double & starting_pos,
                           const double & ending_pos);

    void process_windows_fixed(  const PolyTable::const_site_iterator beg,
                                 const PolyTable::const_site_iterator end,
                                 const unsigned & window_size_S,
                                 const unsigned & window_step_len );

  public:
    explicit PolyTableSlice( const PolyTable::const_site_iterator beg,
                             const PolyTable::const_site_iterator end,
                             const unsigned & window_size_S,
                             const unsigned & window_step_len );

    explicit PolyTableSlice( const PolyTable::const_site_iterator beg,
                             const PolyTable::const_site_iterator end,
                             const unsigned nwindows);
    

    explicit PolyTableSlice(  const PolyTable::const_site_iterator beg,
                              const PolyTable::const_site_iterator end,
                              const double & window_size,
                              const double & step_len,
                              const double & starting_pos = 0.,
                              const double & ending_pos = 1.0);
    typedef std::vector<range>::const_iterator const_iterator;
    const_iterator cbegin() const;
    const_iterator cend() const;
    T get_slice(const const_iterator) const ;
    std::vector<range>::size_type size() const;
    T operator[](const unsigned &) const ;
  };
}
#include <Sequence/bits/PolyTableSlice.tcc>

#endif