author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 17 Sep 2010 08:38:54 +0300 | |
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/* |
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* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* Name : consolestream.h |
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* Part of : stdio server |
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* To handle console read and write |
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* |
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* |
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*/ |
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#ifndef _CONSOLESTREAM_H_ |
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#define _CONSOLESTREAM_H_ |
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#include "streambase.h" //CStreamBase |
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#include "ReadRequestHandler.h" //MRead and CReadRequestHandler |
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#include <e32keys.h> |
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class CConsoleBase; |
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//Enumerations for the console echo - server side |
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enum TConsoleEcho |
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{ |
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EOff = 0, //Turn Off the echo |
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EOn = 1, //Turn On the echo |
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EPrintValid = 33, //Printable ascii character set <33-126> |
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EPrintInvalid=127 |
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}; |
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//----------------------------------------------------------------------- |
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//Class name: CConsoleStream |
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//Description: This class represents the console stream abstraction. |
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// It is created through the factory class CConsoleStreamFactory |
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//----------------------------------------------------------------------- |
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class CConsoleStream : public CStreamBase |
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{ |
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public: |
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static CConsoleStream* NewL(TInt aWidth, TInt aHeight); |
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virtual void WriteL(TDes8& aDes); |
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virtual void Read(TRequestStatus& aStatus, const TInt aLength); |
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~CConsoleStream(); |
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virtual void ReadCancel(); |
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TDes8& Buf(); |
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TInt SetEcho(TUint8 aEcho); |
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TStreamType Type() { return EConsole;} |
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private: |
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CConsoleStream(); |
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void ConstructL(TSize aConsoleSize); |
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CConsoleBase* iConsole; |
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TInt iBufPos; |
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TUint8 iEchoVal; //decides what to echo |
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void HandleBuf(TKeyCode & key); |
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TBuf8<1> iTbuf; |
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}; |
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#endif //_CONSOLESTREAM_H_ |