Files
rdkit/Code/GraphMol/AdjustQuery.cpp
2015-08-22 05:43:42 +02:00

93 lines
3.2 KiB
C++

//
// Copyright (c) 2015 Greg Landrum
//
// @@ All Rights Reserved @@
// This file is part of the RDKit.
// The contents are covered by the terms of the BSD license
// which is included in the file license.txt, found at the root
// of the RDKit source tree.
//
#include <GraphMol/GraphMol.h>
#include <GraphMol/QueryAtom.h>
#include <GraphMol/MolOps.h>
#include <GraphMol/QueryOps.h>
#include <GraphMol/AtomIterators.h>
#include <GraphMol/BondIterators.h>
#include <vector>
#include <algorithm>
namespace RDKit {
namespace MolOps {
ROMol *adjustQueryProperties(const ROMol &mol,const AdjustQueryParameters *params){
RWMol *res = new RWMol(mol);
try{
adjustQueryProperties(*res,params);
} catch (MolSanitizeException &se){
delete res;
throw se;
}
return static_cast<ROMol *>(res);
}
void adjustQueryProperties(RWMol &mol,const AdjustQueryParameters *inParams){
AdjustQueryParameters params;
if(inParams){
params = *inParams;
}
const RingInfo *ringInfo=mol.getRingInfo();
if( !ringInfo->isInitialized() ){
MolOps::symmetrizeSSSR(mol);
}
for(unsigned int i=0;i<mol.getNumAtoms();++i){
Atom *at = mol.getAtomWithIdx(i);
// pull properties we need from the atom here, once we
// create a query atom they may no longer be valid.
unsigned int nRings = ringInfo->numAtomRings(i);
int atomicNum = at->getAtomicNum();
if( params.adjustDegree &&
!( (params.adjustDegreeFlags & ADJUST_RINGSONLY) && !nRings ) &&
!( (params.adjustDegreeFlags & ADJUST_IGNOREDUMMIES) && !atomicNum)
){
QueryAtom *qa;
if(!at->hasQuery()){
qa = new QueryAtom(*at);
mol.replaceAtom(i,qa);
delete qa;
qa = static_cast<QueryAtom *>(mol.getAtomWithIdx(i));
at = static_cast<Atom *>(qa);
} else {
qa = static_cast<QueryAtom *>(at);
}
qa->expandQuery(makeAtomExplicitDegreeQuery(qa->getDegree()));
} // end of adjust degree
if( params.adjustRingCount &&
!( (params.adjustRingCountFlags & ADJUST_RINGSONLY) && !nRings ) &&
!( (params.adjustRingCountFlags & ADJUST_IGNOREDUMMIES) && !atomicNum )
){
QueryAtom *qa;
if(!at->hasQuery()){
qa = new QueryAtom(*at);
mol.replaceAtom(i,qa);
delete qa;
qa = static_cast<QueryAtom *>(mol.getAtomWithIdx(i));
at = static_cast<Atom *>(qa);
} else {
qa = static_cast<QueryAtom *>(at);
}
qa->expandQuery(makeAtomInNRingsQuery(nRings));
} // end of adjust ring count
if(params.makeDummiesQueries &&
atomicNum == 0 && !at->hasQuery() &&
!at->getIsotope() ){
QueryAtom *qa = new QueryAtom();
qa->setQuery(makeAtomNullQuery());
mol.replaceAtom(i,qa);
delete qa;
at = mol.getAtomWithIdx(i);
} // end of makeDummiesQueries
} // end of loop over atoms
}
} // end of MolOps namespace
} // end of RDKit namespace