1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/cstdlib/USTLIB/UCONSOLE.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,155 @@
     1.4 +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// Simple implementation of stdin/stdout/stderr class which uses a console, created on demand.
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#include "FDESC.H"
    1.22 +#include <e32cons.h>	// for CConsoleBase
    1.23 +#include <sys/ioctl.h>
    1.24 +
    1.25 +void CTtyDesc::CheckConsoleCreated()
    1.26 +	{
    1.27 +	if (iConsole==NULL)
    1.28 +		{
    1.29 +		TRAPD(r,iConsole=Console::NewL(_L("STDOUT"),TSize(KConsFullScreen,KConsFullScreen)))
    1.30 +		__ASSERT_ALWAYS(r==KErrNone,User::Panic(_L("ESTLIB Console"),0));
    1.31 +		}
    1.32 +	}
    1.33 +
    1.34 +CTtyDesc::~CTtyDesc()
    1.35 +	{
    1.36 +	CConsoleBase *it = iConsole;
    1.37 +	iConsole = 0;
    1.38 +	delete it;
    1.39 +	}
    1.40 +
    1.41 +TInt CTtyDesc::FinalClose()
    1.42 +	{
    1.43 +	CConsoleBase *it = iConsole;
    1.44 +	iConsole = 0;
    1.45 +	if (it)
    1.46 +		{
    1.47 +		// it->SetTitle(_L("Console closed - press any key"));
    1.48 +		it->Printf(_L("Console closed - press any key"));
    1.49 +		it->Getch();
    1.50 +		delete it;
    1.51 +		}
    1.52 +	return KErrNone;
    1.53 +	}
    1.54 +
    1.55 +void CTtyDesc::Read(TDes8& /*aDesc*/, TRequestStatus& aStatus)
    1.56 +	{
    1.57 +	CheckConsoleCreated();
    1.58 +	// See implemention of Getch() in E32\UBAS\UB_CONS.CPP
    1.59 +	iConsole->Read(aStatus);
    1.60 +	}
    1.61 +
    1.62 +void CTtyDesc::ReadCancel()
    1.63 +	{
    1.64 +	if (iConsole)
    1.65 +		iConsole->ReadCancel();
    1.66 +	}
    1.67 +
    1.68 +TInt CTtyDesc::ReadCompletion(TDes8& aDesc, TInt aStatus)
    1.69 +	{
    1.70 +	MapCodeAndEcho(aDesc, iConsole->KeyCode());
    1.71 +	return aStatus;
    1.72 +	}
    1.73 +
    1.74 +void CTtyDesc::Write(TDes8 &aDesc, TRequestStatus& aStatus)
    1.75 +	{
    1.76 +	Write(aDesc);
    1.77 +	Complete(aStatus, KErrNone);
    1.78 +	}
    1.79 +
    1.80 +#if !defined(_UNICODE)
    1.81 +void CTtyDesc::Write(TDes8 &aDesc)
    1.82 +	{
    1.83 +	CheckConsoleCreated();
    1.84 +	iConsole->Write(aDesc);
    1.85 +	}
    1.86 +#else
    1.87 +void CTtyDesc::Write(TDes8 &aDesc)
    1.88 +	{
    1.89 +	CheckConsoleCreated();
    1.90 +
    1.91 +	TInt remaining = aDesc.Length();
    1.92 +	const TText8* cp = aDesc.Ptr();
    1.93 +	while (remaining)
    1.94 +	    {
    1.95 +	    TBuf16<256> buffer;
    1.96 +	    TInt len = Min(remaining, 256);
    1.97 +	    buffer.Copy(TPtrC8(cp, len));
    1.98 +
    1.99 +	    iConsole->Write(buffer);
   1.100 +
   1.101 +	    cp += len;
   1.102 +	    remaining -= len;
   1.103 +	    }
   1.104 +	}
   1.105 +#endif
   1.106 +
   1.107 +void CTtyDesc::MapCodeAndEcho(TDes8& aDesc, TKeyCode aCode)
   1.108 +	{
   1.109 +	TText8 ch;
   1.110 +
   1.111 +	aDesc.Zero();
   1.112 +	switch (aCode)
   1.113 +	{
   1.114 +	case EKeyPrintScreen:
   1.115 +		return;		// unknowable keycodes are ignored
   1.116 +
   1.117 +	case EKeyEnter:
   1.118 +		ch='\n'; break;
   1.119 +	case EKeyBackspace:
   1.120 +		ch=0x08; break;
   1.121 +	default:
   1.122 +		ch=(TText8)(aCode&0xff);	// who knows - it's not documented
   1.123 +		break;
   1.124 +	}
   1.125 +	aDesc.Append(ch);
   1.126 +	// Could suppress echoing at this point
   1.127 +	Write(aDesc);
   1.128 +	return;
   1.129 +	}
   1.130 +
   1.131 +void CTtyDesc::Ioctl(int /*aCmd*/, void* /*aParam*/, TRequestStatus& aStatus)
   1.132 +	{
   1.133 +	// bodge for now - this will become more complicated if we develop a better
   1.134 +	// terminal device implementation
   1.135 +	Complete(aStatus,KErrNone);
   1.136 +	}
   1.137 +
   1.138 +TInt CTtyDesc::IoctlCompletion(int aCmd, void* aParam, TInt aStatus)
   1.139 +	{
   1.140 +	TInt ret=aStatus;
   1.141 +	if (ret!=KErrNone)
   1.142 +		return ret;
   1.143 +	int *param=REINTERPRET_CAST(int*,aParam);
   1.144 +	switch (aCmd)
   1.145 +		{
   1.146 +	case E32IONREAD:
   1.147 +		*param=1;	// claim that there is always data available
   1.148 +		break;
   1.149 +	case E32IOSELECT:
   1.150 +		*param=(*param)&(E32SELECT_READ|E32SELECT_WRITE);
   1.151 +		break;
   1.152 +	default:
   1.153 +		ret=KErrNotSupported;
   1.154 +		break;
   1.155 +		}
   1.156 +	return ret;
   1.157 +	}
   1.158 +