/*

* Copyright (c) 2009-2010 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:

* MSRP Implementation

*

*/

#ifndef CMSRPMSGPARSER_H_

#define CMSRPMSGPARSER_H_

#ifdef UT_TEST

#include "../../tsrc/conn_parser/inc/CMSRPMessageHandler.h"

#else

#include "CMSRPMessageHandler.h"

#endif

#include "MMSRPParserObserver.h"

#include "MSRPBuffer.h"

#define MSRP_COLON ':'

#define MSRP_SPACE ' '

#define MSRP_CARRIAGE '\r'

#define MSRP_TERMINATE  '#'

#define MSRP_CONTINUE  '+'

#define MSRP_END  '$'

#define KMSRPIDLenMax 32

#define KMSRPIDLenMin 4

#define KMSRPEndTokenMax KMSRPIDLenMax+8+2 //init-crlf

class CMSRPMsgParser: public CBase

    {

    friend class CMSRPParser;    

public:

    enum TParseState 

        {

        EIdle = 0,

        ETitleLine,

        EToPath,

        EFromPath,

        //EMandatoryHeader,

        EOptionalHeaders,

        EBody,

        EExtraCRLF,        

        EEndofEndLine

        };

    enum TMatchType

        {

        ENoMatch,

        EFullMatch,        

        EPartialMatch   

        };

    static CMSRPMsgParser* NewL(MMSRPParserObserver& aConnection);

    virtual ~CMSRPMsgParser();

    TBool ParseL();

private:

    CMSRPMsgParser(MMSRPParserObserver& aConnection);

    void ConstructL();

    TBool HandleFullMatchL(TPtrC8& aToken, TInt aMatchPos, TBool aCopyToLocal = FALSE);

    TBool HandlePartialMatchL(TPtrC8& aToken, TInt aCurBufMatchPos);

    TBool HandleNoMatchL(TPtrC8& aToken, TInt aCurBufMatchPos);

    void HandleStateL(const TDesC8& aString, TInt aMatchPos);

    void HandleTitleLineL(const TDesC8& aString, TInt aMatchPos);

    void HandleHeaderL(const TDesC8& aString, TInt aMatchPos);

    void HandleOptionalHeaderL(const TDesC8& aString, TInt aMatchPos);

    void HandleBodyL(const TDesC8& aString, TInt aMatchPos);

    void HandleXtraCrlfL(const TDesC8& aString, TInt aMatchPos);

    void HandleEndofEndLineL(const TDesC8& aString, TInt aMatchPos);

    TMatchType FindToken(const TDesC8& aString, const TDesC8& aToken, TInt& aMatchPos);

private:

    MMSRPParserObserver& iConnection;

    RPointerArray<RMsrpBuf> iParseBuffers;

    TParseState iState;

    RMsrpBuf* iLocalBuf;//keep it above pool

    CMSRPMessageHandler* iMessage;

    CMSRPBufPool iBufPool;

    HBufC8* iEndToken;

    };

#endif /* CMSRPMSGPARSER_H_ */