/* 

 *

 * Copyright (c) <2010> Comarch S.A. and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

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

 * which accompanies this distribution, and is available

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

 *

 * Original Contributors:

 * Comarch S.A. - original contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#ifndef HFPCOMMANDPARSER_H_

#define HFPCOMMANDPARSER_H_

#include <e32base.h>

#include "hfpcommand.h"

/**

 *  @brief AT command parser 

 */

class CHsHFPParser : public CBase

    {

public:

    /**

     * Two-phased constructor.

     * 

     * @return class instance

     */

    static CHsHFPParser* NewL();

    /**

     * Two-phased constructor.

     * 

     * @return class instance

     */

    static CHsHFPParser* NewLC();

    /** 

     * Destructor

     */

    ~CHsHFPParser();

public:

    /**

     * Parses AT command. Sets type, mode and params.

     * 

     * @param aBufCommand AT command as descriptor

     * @param aFromAG denotes if AT command was sent from AG

     * @param aCommand on exit command object

     */

    void ParseL(const TDesC8 &aBufCommand, const TBool aFromAG,

            CHsHFPCommand& aCommand);

private:

    /**

     * Constructor for performing 1st stage construction

     */

    CHsHFPParser();

    /**

     * Constructor for performing 2nd stage construction

     */

    void ConstructL();

    /**

     * Retrieves command mode

     * 

     * @param aCommand AT command as descriptor

     * @param aFromAG denotes if AT command was sent from AG

     * 

     * @return command mode

     */

    THsHFPCommandMode RetrieveModeL(const TDesC8 &aCommand,

            const TBool aFromAG);

    /**

     * Retrieves command type

     * 

     * @param aCommand AT command as descriptor

     * 

     * @return command type

     */

    THsHFPCommandType RetrieveTypeL(const TDesC8 &aCommand);

    /**

     * Retrieves command params

     * 

     * @param aCommand AT command as descriptor

     * @param aCmdMode command mode

     * @param aParams on exit array contains AT params 

     * 

     */

    void RetrieveParamsL(const TDesC8 &aCommand,

            const THsHFPCommandMode aCmdMode, RATParamArray& aParams);

    };

#endif /* HFPCOMMANDPARSER_H_ */