/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#ifndef CLUTIL_H_

#define CLUTIL_H_

#include "CLucene.h"

namespace analysis {

	/**

	 * Defines analyzer that uses given tokenizer T

	 */

    template <class T>

    class TemplateAnalyzer : public lucene::analysis::Analyzer {

        public:

            TemplateAnalyzer();

            virtual lucene::analysis::TokenStream* 

                tokenStream(const TCHAR* fieldName, 

                            CL_NS(util)::Reader* reader) {

                return new T(reader, true);

            }

    };

	/**

	 * Defines analyzer that uses given tokenizer T with an argument A1 

	 * combinged with filter F1. By using cpix analyzer definition syntax, 

	 * the defined analyzer is T(A1)>F1 

	 */

    template <class T, class A1, class F1>

    class TemplateAnalyzer1A1F : public lucene::analysis::Analyzer {

        public:

            TemplateAnalyzer1A1F(A1 a1) : a1_(a1) {};

            virtual lucene::analysis::TokenStream* 

                tokenStream(const TCHAR* fieldName, 

                            CL_NS(util)::Reader* reader) {

                return new F1(new T(reader, a1_), true);

            }

        private:

            A1 a1_;

    };

	/**

	 * Defines analyzer that uses given tokenizer T combined with filter F1. 

	 * By using cpix analyzer definition syntax, the defined analyzer is 

	 * T>F1. 

	 */

    template <class T, class F1>

    class TemplateAnalyzer1F : public lucene::analysis::Analyzer {

        public:

            TemplateAnalyzer1F() {};

            virtual lucene::analysis::TokenStream* 

                tokenStream(const TCHAR* fieldName, 

                            CL_NS(util)::Reader* reader) {

                return new F1(new T(reader), true);

            }

    };

}

#endif /* CLUTIL_H_ */