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// File: EntropyMafIterator.h
// Authors: Julien Dutheil
// Created: Tue Sep 07 2010
//
/*
Copyright or © or Copr. Bio++ Development Team, (2010)
This software is a computer program whose purpose is to provide classes
for sequences analysis.
This software is governed by the CeCILL license under French law and
abiding by the rules of distribution of free software. You can use,
modify and/ or redistribute the software under the terms of the CeCILL
license as circulated by CEA, CNRS and INRIA at the following URL
"http://www.cecill.info".
As a counterpart to the access to the source code and rights to copy,
modify and redistribute granted by the license, users are provided only
with a limited warranty and the software's author, the holder of the
economic rights, and the successive licensors have only limited
liability.
In this respect, the user's attention is drawn to the risks associated
with loading, using, modifying and/or developing or reproducing the
software by the user in light of its specific status of free software,
that may mean that it is complicated to manipulate, and that also
therefore means that it is reserved for developers and experienced
professionals having in-depth computer knowledge. Users are therefore
encouraged to load and test the software's suitability as regards their
requirements in conditions enabling the security of their systems and/or
data to be ensured and, more generally, to use and operate it in the
same conditions as regards security.
The fact that you are presently reading this means that you have had
knowledge of the CeCILL license and that you accept its terms.
*/
#ifndef _ENTROPYFILTERMAFITERATOR_H_
#define _ENTROPYFILTERMAFITERATOR_H_
#include "MafIterator.h"
//From the STL:
#include <iostream>
#include <string>
#include <deque>
namespace bpp {
/**
* @brief Filter maf blocks highly divergent regions.
*
* This iterators takes two parameters: g=maxEnt and n=maxPos. Windows with more than n positions with a entropy higher than maxEnt will be discarded.
* In addition, consecutives patterns are only counted once.
* In case a sequence from the list is missing, it can be either ignored or counted as a full sequence of gaps.
*/
class EntropyFilterMafIterator:
public AbstractFilterMafIterator,
public virtual MafTrashIterator
{
private:
std::vector<std::string> species_;
unsigned int windowSize_;
unsigned int step_;
double maxEnt_;
unsigned int maxPos_;
std::deque<MafBlock*> blockBuffer_;
std::deque<MafBlock*> trashBuffer_;
std::deque<unsigned int> window_;
bool keepTrashedBlocks_;
bool missingAsGap_;
bool ignoreGaps_;
public:
EntropyFilterMafIterator(MafIterator* iterator, const std::vector<std::string>& species, unsigned int windowSize, unsigned int step, double maxEnt, unsigned int maxPos, bool keepTrashedBlocks, bool missingAsGap, bool ignoreGaps) :
AbstractFilterMafIterator(iterator),
species_(species),
windowSize_(windowSize),
step_(step),
maxEnt_(maxEnt),
maxPos_(maxPos),
blockBuffer_(),
trashBuffer_(),
window_(species.size()),
keepTrashedBlocks_(keepTrashedBlocks),
missingAsGap_(missingAsGap),
ignoreGaps_(ignoreGaps)
{}
public:
MafBlock* nextRemovedBlock() throw (Exception) {
if (trashBuffer_.size() == 0) return 0;
MafBlock* block = trashBuffer_.front();
trashBuffer_.pop_front();
return block;
}
private:
MafBlock* analyseCurrentBlock_() throw (Exception);
};
} // end of namespace bpp.
#endif //_ENTROPYFILTERMAFITERATOR_H_
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