1 /**

     2 * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 * Header for classes for manipulting of received data.

    16 * This should all be 8-bit so we don't need to deal with any conversions at this level.

    17 * 

    18 *

    19 */

    20 

    21 

    22 

    23 /**

    24  @file Schat.h

    25 */

    26 

    27 #if !defined(__SCHAT_H__)

    28 #define __SCHAT_H__

    29 

    30 #include <e32base.h>

    31 

    32 // Forward declarations 

    33 class CCommChatString;

    34 

    35 class MCommChatNotify

    36 /**

    37 Interface between CScriptIO and CCommChatter object.

    38 

    39 @internalComponent

    40 */

    41 	{

    42 public:

    43 	virtual void ChatStringMatch(TInt aIndex)=0;

    44 	virtual void ChatTimeout()=0;

    45 	};

    46 

    47 class CCommChatter : public CTimer

    48 /**

    49 Deals with data received from the comm port.  One of these for each CScriptIO object.

    50 

    51 @internalComponent

    52 */

    53 	{

    54 public:

    55 	static CCommChatter* NewL(MCommChatNotify* aNotify,TInt aPriority,TInt aBufferSize);

    56 	CCommChatter(MCommChatNotify* aNotify,TInt aPriority);

    57 	virtual ~CCommChatter();	

    58 	void ConstructL(TInt aBufSize);

    59 	void ClearHistory();

    60 	void AddChar(TText8 aChar);

    61 	TBool Match(const CCommChatString* aString) const;

    62 	TBool MatchF(const CCommChatString* aString) const;

    63 	void AddString(CCommChatString* aString);

    64 	void RemoveString(CCommChatString* aString);

    65 	void DeleteAllAndStop();

    66 	void StartTimer(const TTimeIntervalMicroSeconds32& aTimeout);

    67 	void StopTimer();

    68 protected:

    69 	virtual void RunL();

    70 protected:

    71 	MCommChatNotify* iNotify;

    72 	TDblQue<CCommChatString> iList;

    73 	TText8* iBuffer;

    74 	TText8* iBufferEnd;

    75 	TText8* iLastChar;	///< Last character added

    76 	TInt iCount;		///< No of chars added to buffer

    77 	};

    78 

    79 

    80 class CCommChatString : public CBase

    81 /**

    82 @internalComponent

    83 */

    84 	{

    85 public:

    86 	static CCommChatString* NewL(const TDesC8& aDes,TBool aIsFolded);

    87 	CCommChatString();

    88 	void ConstructL(const TDesC8& aDes,TBool aIsFolded);

    89 	virtual ~CCommChatString();

    90 	inline TText8 LastChar() const { return *iLastChar; }

    91 	inline TInt Length() const { return (iLastChar-iString)+1; }

    92 	inline const TText8* Ptr() const { return iString; }

    93 	inline const TText8* EndPtr() const { return iLastChar; }

    94 	inline TBool IsFolded() const { return iIsFolded; }

    95 	inline TPtrC8 Des() { return TPtrC8(Ptr(), Length()); }

    96 private:

    97 	friend class CCommChatter;

    98 	TDblQueLink iLink;

    99 protected:

   100 	TBool iIsFolded;

   101 	TText8* iString;

   102 	TText8* iLastChar;

   103 	};

   104 

   105 #endif