MatchConstraintList.hpp

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/* 
 * MatchConstraintList.hpp 
 *
 * This file is part of the Chemical Data Processing Toolkit
 *
 * Copyright (C) 2003 Thomas Seidel <thomas.seidel@univie.ac.at>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; see the file COPYING. If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
 
#ifndef CDPL_CHEM_MATCHCONSTRAINTLIST_HPP
#define CDPL_CHEM_MATCHCONSTRAINTLIST_HPP
 
#include <utility>
#include <memory>
 
#include "CDPL/Chem/APIPrefix.hpp"
#include "CDPL/Base/Any.hpp"
#include "CDPL/Util/Array.hpp"
 
 
namespace CDPL
{
 
    namespace Chem
    {
 
        class CDPL_CHEM_API MatchConstraint
        {
 
          public:
            enum Relation
            {
 
                ANY,
 
                LESS,
 
                EQUAL,
 
                GREATER,
 
                LESS_OR_EQUAL,
 
                GREATER_OR_EQUAL,
 
                NOT_EQUAL
            };
 
            MatchConstraint(unsigned int id, Relation relation):
                id(id), relation(relation) {}
 
            template <typename T>
            MatchConstraint(unsigned int id, Relation rel, T&& val):
                id(id), relation(rel), value(std::forward<T>(val))
            {}
 
            unsigned int getID() const;
 
            void setID(unsigned int id);
 
            Relation getRelation() const;
 
            void setRelation(Relation rel);
 
            const Base::Any& getValue() const;
 
            template <typename T>
            const T& getValue() const
            {
                return value.getData<T>();
            }
 
            template <typename T>
            void setValue(T&& val)
            {
                value = std::forward<T>(val);
            }
 
            bool hasValue() const;
            
          private:
            unsigned int id;
            Relation     relation;
            Base::Any    value;
        };
 
        class CDPL_CHEM_API MatchConstraintList : public Util::Array<MatchConstraint>
        {
 
          public:
            typedef std::shared_ptr<MatchConstraintList> SharedPointer;
 
            enum Type
            {
 
                AND_LIST,
 
                NOT_AND_LIST,
 
                OR_LIST,
 
                NOT_OR_LIST
            };
 
            MatchConstraintList(Type type = AND_LIST):
                type(type) {}
 
            Type getType() const;
 
            void setType(Type type);
 
            using Util::Array<MatchConstraint>::addElement;
 
            void addElement(unsigned int id, MatchConstraint::Relation rel);
 
            template <typename T>
            void addElement(unsigned int id, MatchConstraint::Relation rel, T&& val)
            {
                addElement(MatchConstraint(id, rel, std::forward<T>(val)));
            }
 
          private:
            const char* getClassName() const;
 
            Type type;
        };
    } // namespace Chem
} // namespace CDPL
 
#endif // CDPL_CHEM_MATCHCONSTRAINTLIST_HPP