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63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
//
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// Copyright (c) 2003-2006 Greg Landrum and Rational Discovery LLC
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//
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// @@ All Rights Reserved @@
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//
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#ifndef __RD_XORQUERY_H__
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#define __RD_XORQUERY_H__
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#include "Query.h"
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namespace Queries{
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//! a Query implementing XOR: requires exactly one child to be \c true
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template <class MatchFuncArgType, class DataFuncArgType=MatchFuncArgType,
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bool needsConversion=false>
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class XOrQuery : public Query<MatchFuncArgType, DataFuncArgType,needsConversion> {
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public:
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typedef Query<MatchFuncArgType, DataFuncArgType,needsConversion> BASE;
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XOrQuery() {
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this->df_negate = false;
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};
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bool Match(const DataFuncArgType what) const {
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bool res = false;
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typename BASE::CHILD_VECT_CI it1;
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for(it1=this->beginChildren();
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it1!=this->endChildren();
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++it1){
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bool tmp = (*it1)->Match(what);
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if( tmp ){
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if( res ){
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res = false;
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break;
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} else{
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res = true;
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}
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}
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}
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if( this->getNegation() ) res = !res;
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return res;
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};
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Query<MatchFuncArgType,DataFuncArgType,needsConversion> *
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copy( ) const {
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XOrQuery<MatchFuncArgType,DataFuncArgType,needsConversion> *res =
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new XOrQuery<MatchFuncArgType,DataFuncArgType,needsConversion>();
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typename BASE::CHILD_VECT_CI i;
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for(i=this->beginChildren();
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i!=this->endChildren();
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++i){
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res->addChild(*i);
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}
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res->setNegation(this->getNegation());
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res->d_description = this->d_description;
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return res;
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};
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};
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}
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#endif
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