RDKit
Open-source cheminformatics and machine learning.
XOrQuery.h
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1 //
2 // Copyright (c) 2003-2006 Greg Landrum and Rational Discovery LLC
3 //
4 // @@ All Rights Reserved @@
5 // This file is part of the RDKit.
6 // The contents are covered by the terms of the BSD license
7 // which is included in the file license.txt, found at the root
8 // of the RDKit source tree.
9 //
10 #ifndef __RD_XORQUERY_H__
11 #define __RD_XORQUERY_H__
12 
13 #include "Query.h"
14 
15 namespace Queries {
16 
17 //! a Query implementing XOR: requires exactly one child to be \c true
18 template <class MatchFuncArgType, class DataFuncArgType = MatchFuncArgType,
19  bool needsConversion = false>
20 class XOrQuery
21  : public Query<MatchFuncArgType, DataFuncArgType, needsConversion> {
22  public:
24  XOrQuery() { this->df_negate = false; };
25 
26  bool Match(const DataFuncArgType what) const {
27  bool res = false;
28  typename BASE::CHILD_VECT_CI it1;
29  for (it1 = this->beginChildren(); it1 != this->endChildren(); ++it1) {
30  bool tmp = (*it1)->Match(what);
31  if (tmp) {
32  if (res) {
33  res = false;
34  break;
35  } else {
36  res = true;
37  }
38  }
39  }
40  if (this->getNegation()) res = !res;
41  return res;
42  };
43 
47 
48  typename BASE::CHILD_VECT_CI i;
49  for (i = this->beginChildren(); i != this->endChildren(); ++i) {
50  res->addChild(typename BASE::CHILD_TYPE(i->get()->copy()));
51  }
52  res->setNegation(this->getNegation());
53  res->d_description = this->d_description;
54  return res;
55  };
56 };
57 }
58 #endif
Query< MatchFuncArgType, DataFuncArgType, needsConversion > * copy() const
returns a copy of this Query
Definition: XOrQuery.h:44
bool getNegation() const
returns whether or not we are negated
Definition: Query.h:63
CHILD_VECT_CI beginChildren() const
returns an iterator for the beginning of our child vector
Definition: Query.h:101
void setNegation(bool what)
sets whether or not we are negated
Definition: Query.h:61
CHILD_VECT_CI endChildren() const
returns an iterator for the end of our child vector
Definition: Query.h:103
boost::shared_ptr< Query< MatchFuncArgType, DataFuncArgType, needsConversion > > CHILD_TYPE
Definition: Query.h:48
void addChild(CHILD_TYPE child)
adds a child to our list of children
Definition: Query.h:99
bool df_negate
Definition: Query.h:144
CHILD_VECT::const_iterator CHILD_VECT_CI
Definition: Query.h:51
Query< MatchFuncArgType, DataFuncArgType, needsConversion > BASE
Definition: XOrQuery.h:23
std::string d_description
Definition: Query.h:139
Base class for all queries.
Definition: Query.h:45
a Query implementing XOR: requires exactly one child to be true
Definition: XOrQuery.h:20
bool Match(const DataFuncArgType what) const
returns whether or not we match the argument
Definition: XOrQuery.h:26