/*

* Copyright (c) 2005-2009 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:

* Name          : CSIPTokenizer.h

* Part of       : SIP Codec

* Version       : SIP/4.0 

*

*/

/**

 @internalComponent

*/

#ifndef CSIPTOKENIZER_H

#define CSIPTOKENIZER_H

#include <e32base.h>

#include <badesca.h>

#include "_sipcodecdefs.h"

class CSIPTokenizer : public CBase

	{

public:

	static CSIPTokenizer* NewL (const TDesC8& aValue, 

                                const TChar& aSeparator, 

                                TBool aNoticeParenthesis = EFalse,

                                TBool aIgnoreLastEmpty   = EFalse,

                                TBool aSkipSeparatorsBeforeAt = EFalse);

	static CSIPTokenizer* 

		NewLC (const TDesC8& aValue, 

               const TChar& aSeparator,

               TBool aNoticeParenthesis = EFalse,

               TBool aIgnoreLastEmpty   = EFalse,

               TBool aSkipSeparatorsBeforeAt = EFalse);

    ~CSIPTokenizer ();

	CPtrC8Array& Tokens ();

private:

    CSIPTokenizer (const TDesC8& aValue, 

                   const TChar& aSeparator,

                   TBool aNoticeParenthesis,

                   TBool aIgnoreLastEmpty,

                   TBool aSkipSeparatorsBeforeAt);

	void ConstructL ();

	void TokenizeL ();

	void HandleQuote ();

	void HandleOpeningAngleBracketL ();

	void HandleClosingAngleBracketL ();

    void HandleOpeningParenthesis();

    void HandleClosingParenthesis();

	void CheckMatchingQuotesBracketsL ();

	void HandleOtherCharacterL (const TChar& aChr);

	void AddLastTokenL ();

private: // Data

	CPtrC8Array* iTokens;

	TPtrC8 iOriginalValue;

	TLex8 iLexer;

	TChar iSeparator;

	TUint iParsedSoFar;

	TUint iTokenLength;

	TBool iPreviousWasBackSlash;

	TBool iInQuotes;

	TBool iInAngleBrackets;

    TBool iInParenthesis;

	TUint iQuoteCount;

	TUint iAngleBracketCount;

    TUint iParenthesisCount;

    TBool iIgnoreParenthesis;

    TBool iIgnoreLastEmptyValue;

    TBool iSkipSeparatorsBeforeAt;

private: // For testing purposes

    UNIT_TEST(CSIPTokenizerTest)

	};

#endif // CSIPTOKENIZER_H

// End of File