--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/openenvcore/backend/src/corebackend/uconsole.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,219 @@
+/*
+* Copyright (c) 1997-2009 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:
+*
+*/
+
+
+#include <e32cons.h>	// for CConsoleBase
+#include <sys/ioctl.h>
+#include "fdesc.h"
+
+void CTtyDesc::CheckConsoleCreated()
+	{
+	if (iConsole==NULL)
+		{
+		TRAPD(r,iConsole=Console::NewL(_L("STDOUT"),TSize(KConsFullScreen,KConsFullScreen)))
+		__ASSERT_ALWAYS(r==KErrNone,User::Panic(_L("ESTLIB Console"),0));
+		}
+	}
+
+CTtyDesc::~CTtyDesc()
+	{
+	CConsoleBase *it = iConsole;
+	iConsole = 0;
+	delete it;
+	}
+
+TInt CTtyDesc::FinalClose()
+	{
+	CConsoleBase *it = iConsole;
+	iConsole = 0;
+	if (it)
+		{
+		delete it;
+		}
+	return KErrNone;
+	}
+
+void CTtyDesc::Read(TDes8& /*aDesc*/, TRequestStatus& aStatus)
+	{
+	CheckConsoleCreated();
+	// See implemention of Getch() in E32\UBAS\UB_CONS.CPP
+	iConsole->Read(aStatus);
+	}
+
+void CTtyDesc::ReadCancel()
+	{
+	if (iConsole)
+		{
+		iConsole->ReadCancel();
+		}
+	}
+
+TInt CTtyDesc::ReadCompletion(TDes8& aDesc, TInt/*aStatus*/)
+	{
+	iReadingData = ETrue;
+	MapCodeAndEcho(aDesc, iConsole->KeyCode());
+	iReadingData = EFalse;
+	return aDesc.Length();
+	}
+
+void CTtyDesc::Write(TDes8 &aDesc, TRequestStatus& aStatus)
+	{
+	Write(aDesc);
+	Complete(aStatus, aDesc.Length());
+	}
+
+#if !defined(_UNICODE)
+void CTtyDesc::Write(TDes8 &aDesc)
+	{
+	CheckConsoleCreated();
+	iConsole->Write(aDesc);
+	}
+#else
+void CTtyDesc::Write(TDes8 &aDesc)
+	{
+	CheckConsoleCreated();
+	//If its a back-space character
+	if (aDesc.Compare(_L8("\b")) == 0)
+		{
+		//Make sure that it wont delete non-modifiable strings
+		if( iCurPosX == iConsole->WhereX() && iCurPosY == iConsole->WhereY())
+			{
+			return;
+			}
+		}
+
+	TInt remaining = aDesc.Length();
+	const TText8* cp = aDesc.Ptr();
+	while (remaining)
+	    {
+	    TBuf16<256> tbc;
+	    TInt len = Min(remaining, 256);
+	    tbc.Copy(TPtrC8(cp, len));
+
+	    iConsole->Write(tbc);
+
+	    cp += len;
+	    remaining -= len;
+	    }
+	    
+	if (aDesc.Compare(_L8("\b")) == 0)
+		{
+		iConsole->ClearToEndOfLine();
+		}
+		    
+	//Get the cursor position if its non-modifiable data or newline
+	if (!iReadingData)
+		{
+		iCurPosX = iConsole->WhereX();
+		iCurPosY = iConsole->WhereY();
+		}
+	}
+#endif
+
+void CTtyDesc::MapCodeAndEcho(TDes8& aDesc, TKeyCode aCode)
+	{
+	TText8 ch;
+	aDesc.Zero();
+	switch (aCode)
+		{
+	case EKeyPrintScreen:
+		return;		// ignore this keycode
+
+	case EKeyEnter:
+		iReadingData = EFalse;
+		ch='\n';
+		break;
+	case EKeyBackspace:
+		ch=0x08;
+		break;
+	default:
+		ch=(TText8)(aCode&0xff);	// who knows - it's not documented
+		break;
+		}
+	aDesc.Append(ch);
+	// Could suppress echoing at this point
+	if(iEchoVal == EOn)
+		{
+		Write(aDesc);	
+		}
+	else if( (iEchoVal >= EPrintValid) && (iEchoVal < EPrintInvalid))	
+		{
+		switch(aCode)
+			{
+			case EKeyBackspace:
+				//erase the previous character from the display.
+				Write(aDesc);
+				break;
+			case EKeyEnter:
+				//ignore
+				break;
+			default:
+				//for every other input character, display the configured one.
+				iConsole->Printf(_L("%c"), iEchoVal);
+				break;	
+			}
+		}
+	return;
+	}
+
+void CTtyDesc::Ioctl(int /*aCmd*/, void* /*aParam*/, TRequestStatus& aStatus)
+	{
+	// bodge for now - this will become more complicated if we develop a better
+	// terminal device implementation
+	Complete(aStatus, KErrNone);
+	}
+
+TInt CTtyDesc::IoctlCompletion(int aCmd, void* aParam, TInt aStatus)
+	{
+	TInt ret = aStatus;
+	if (ret != KErrNone)
+		{
+		return ret;
+		}
+		
+	int *param = reinterpret_cast<int*> (aParam);
+	switch ((unsigned)aCmd)
+		{
+	case FIONREAD:
+	case E32IONREAD:
+		*param = 1;	// claim that there is always data available
+		break;
+	case E32IOSELECT:
+		*param = (*param)&(E32SELECT_READ|E32SELECT_WRITE);
+		break;
+	default:
+		ret = KErrNotSupported;
+		break;
+		}
+	return ret;
+	}
+	
+//-----------------------------------------------------------------------------------
+//int CTtyDesc::SetEcho(TBool aEcho)
+//
+//Sets the echo flag to the given value.
+//-----------------------------------------------------------------------------------
+
+TInt CTtyDesc::SetEcho(TUint8 aEcho)
+	{
+	if( (aEcho > EOn && aEcho < EPrintValid) || (aEcho >= EPrintInvalid) )
+		return KErrArgument;
+	
+	iEchoVal=aEcho;
+	return KErrNone;
+	}
+