/usr/include/Bpp/Seq/Io/Maf/PlinkOutputMafIterator.h is in libbpp-seq-omics-dev 2.4.0-2.
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// File: PlinkOutputMafIterator.h
// Authors: Julien Dutheil
// Created: Tue Dec 10 2015
//
/*
Copyright or © or Copr. Bio++ Development Team, (2015)
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 _PLINKOUTPUTMAFITERATOR_H_
#define _PLINKOUTPUTMAFITERATOR_H_
#include "MafIterator.h"
//From the STL:
#include <iostream>
#include <string>
#include <deque>
namespace bpp {
/**
* @brief This iterator outputs all biallelic SNPs in the PLINK format (ped and map files).
*/
class PlinkOutputMafIterator:
public AbstractFilterMafIterator
{
private:
std::ostream* outputPed_;
std::ostream* outputMap_;
std::vector<std::string> species_;
std::string refSpecies_;
bool map3_;
std::vector<std::string> ped_;
std::string currentChr_;
size_t lastPosition_;
bool recodeChr_;
std::map<std::string, unsigned int> chrCodes_;
unsigned int currentCode_;
public:
/**
* @brief Build a new PlinkOutputMafIterator object.
*
* @warning In the current implementation, there is no way to deal with diploid individuals.
* Each sequence is therefore considered as a haploid genome and will be written has a homozygous SNP
* in the Ped file.
*
* @param iterator The input iterator.
* @param outPed The output stream where to write the Ped file.
* @param outMap The output stream where to write the Map file.
* @param species A list of at least two species to compute SNPs.
* Only blocks containing at least these two species will be used.
* In case one species is duplicated in a block, the first sequence will be used.
* @param reference The species to use as a reference for coordinates.
* It does not have to be one of the selected species on which SNPs are computed.
* @param map3 Tell if genetic distance column should be ommited in the map file. Otherwise set to 0.
* @param recodeChr Tell if chromosomes should be recoded to numbers.
*/
PlinkOutputMafIterator(MafIterator* iterator,
std::ostream* outPed,
std::ostream* outMap,
const std::vector<std::string>& species,
const std::string& reference,
bool map3 = false,
bool recodeChr = false) :
AbstractFilterMafIterator(iterator),
outputPed_(outPed), outputMap_(outMap), species_(species), refSpecies_(reference), map3_(map3),
ped_(species.size()), currentChr_(""), lastPosition_(0), recodeChr_(recodeChr), chrCodes_(), currentCode_(1)
{
init_();
}
private:
PlinkOutputMafIterator(const PlinkOutputMafIterator& iterator) :
AbstractFilterMafIterator(0),
outputPed_(iterator.outputPed_),
outputMap_(iterator.outputMap_),
species_(iterator.species_),
refSpecies_(iterator.refSpecies_),
map3_(iterator.map3_),
ped_(iterator.ped_),
currentChr_(iterator.currentChr_),
lastPosition_(iterator.lastPosition_),
recodeChr_(iterator.recodeChr_),
chrCodes_(iterator.chrCodes_),
currentCode_(iterator.currentCode_)
{}
PlinkOutputMafIterator& operator=(const PlinkOutputMafIterator& iterator)
{
outputPed_ = iterator.outputPed_;
outputMap_ = iterator.outputMap_;
species_ = iterator.species_;
refSpecies_ = iterator.refSpecies_;
map3_ = iterator.map3_;
ped_ = iterator.ped_;
currentChr_ = iterator.currentChr_;
lastPosition_ = iterator.lastPosition_;
recodeChr_ = iterator.recodeChr_;
chrCodes_ = iterator.chrCodes_;
currentCode_ = iterator.currentCode_;
return *this;
}
public:
MafBlock* analyseCurrentBlock_() {
currentBlock_ = iterator_->nextBlock();
if (outputMap_ && currentBlock_)
parseBlock_(*outputMap_, *currentBlock_);
if (outputMap_ && outputPed_ && !currentBlock_)
writePedToFile_(*outputPed_); //Note we currently can output Map and no Ped, but not Ped without Map.
return currentBlock_;
}
private:
void init_();
void parseBlock_(std::ostream& out, const MafBlock& block);
void writePedToFile_(std::ostream& out);
};
} // end of namespace bpp.
#endif //_PLINKOUTPUTMAFITERATOR_H_
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