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//
// Copyright (c) 2003-2020 Greg Landrum and Rational Discovery LLC
//
// @@ 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 <RDGeneral/export.h>
#ifndef RD_XORQUERY_H
#define RD_XORQUERY_H
#include "Query.h"
namespace Queries {
//! a Query implementing XOR: requires exactly one child to be \c true
template <class MatchFuncArgType, class DataFuncArgType = MatchFuncArgType,
bool needsConversion = false>
class RDKIT_QUERY_EXPORT XOrQuery
: public Query<MatchFuncArgType, DataFuncArgType, needsConversion> {
public:
typedef Query<MatchFuncArgType, DataFuncArgType, needsConversion> BASE;
XOrQuery() { this->df_negate = false; }
bool Match(const DataFuncArgType what) const override {
bool res = false;
typename BASE::CHILD_VECT_CI it1;
for (it1 = this->beginChildren(); it1 != this->endChildren(); ++it1) {
bool tmp = (*it1)->Match(what);
if (tmp) {
if (res) {
res = false;
break;
} else {
res = true;
}
}
}
if (this->getNegation()) {
res = !res;
}
return res;
}
Query<MatchFuncArgType, DataFuncArgType, needsConversion> *copy()
const override {
XOrQuery<MatchFuncArgType, DataFuncArgType, needsConversion> *res =
new XOrQuery<MatchFuncArgType, DataFuncArgType, needsConversion>();
typename BASE::CHILD_VECT_CI i;
for (i = this->beginChildren(); i != this->endChildren(); ++i) {
res->addChild(typename BASE::CHILD_TYPE(i->get()->copy()));
}
res->setNegation(this->getNegation());
res->d_description = this->d_description;
res->d_queryType = this->d_queryType;
return res;
}
};
} // namespace Queries
#endif
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