// Copyright (c) 2002-2009 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:

// $Header$

// GT0149 Applications Protocol Integration Test Harness

// blank application

// This file contains the implementation for CCmdPar class' member 

// functions. CCmdPar is an abstract base class for deriving different

// SET command classes.  CCmdPar contains parsing of SET commands.

// rev:	mjdavey, symbian@mjdss.com, July 2002

// for:	Typhoon (7.0s) & JetStream (8.0)

// Include Files  

// 

//

#include "CCmdParser.h"

//-----------------------------------------------------------------------------

CCmdPar::~CCmdPar ( )

{

}

//-----------------------------------------------------------------------------

void CCmdPar::ConstructL(TInt aCommandId,   // in: command identifier

												const TDesC&  aKeyphrase )  // in: beginning of the command name

{

CCmdBase::ConstructL(aCommandId, aKeyphrase);

}

//-----------------------------------------------------------------------------

//	This function parses and processes a SET command line

TInt CCmdPar::ProcessL( const TDesC& aCommand)      // command line

{

// Complete the test machine - will then get the next cmd

Machine()->CompleteRequest();

TPtrC param;

TRAPD( ret, param.Set( ParamsL( aCommand )) );

if ( ret != KErrNone )

	return Error(ret, KFmtErrInvalidCmd, &Keyphrase());

// Mark that the value is set

TInt old = iHasBeenSet;

iHasBeenSet = ETrue;

// Check that "=" or "+=" or ":=" follows

TBool assignment = ETrue;

TBool is_setfrom = EFalse;

TLex parse(param);

parse.SkipSpace();

if (TfrLex::ValF(parse, KTxtAssign) == KErrNone)

	assignment = ETrue;

else if (TfrLex::ValF(parse, KTxtAddition) == KErrNone)

	assignment = EFalse;

else if (TfrLex::ValF(parse, KTxtSetFrom) == KErrNone)

	assignment = is_setfrom = ETrue;

else if (parse.TokenLength() == 0)

	ret = Error(KErrArgument, KFmtErrInvalidCmd, &Keyphrase());

else

	ret = Error(KErrArgument, KFmtErrMissing, &KTxtAssign);

// Check that the value exists and set or add the value

if (ret == KErrNone)

	{

	parse.SkipSpace();

	TPtrC token = parse.Remainder(); 

	if (token.Length() == 0)

		ret = Error(KErrArgument, KTxtErrValueMissing);

	else if (assignment)

		ret = (is_setfrom ? SetFrom(token) : SetValue(token));

	else

		ret = AddValue( token );

	}

// If not succeeded, reset information about setting

if (ret != KErrNone)

	iHasBeenSet = old;

return ret;

}

//-----------------------------------------------------------------------------

//	This function provides the default implementation which gives an 

//	error message about addition

TInt CCmdPar::AddValue(const TDesC& aValue)

{

aValue.Length();  // to avoid warning about unused parameter

return Error(KErrArgument, KTxtErrNoAddition); 

}

//-----------------------------------------------------------------------------

//	This function provides the default implementation which gives an 

//	error message about setting the value from file. +TVi

TInt CCmdPar::SetFrom(const TDesC& aValue)

{

aValue.Length();  // to avoid warning about unused parameter

return Error(KErrArgument, KTxtErrNoSetFrom); 

}

//-----------------------------------------------------------------------------

TBool CCmdPar::HasBeenSet ( )

{

return iHasBeenSet;

}

//-----------------------------------------------------------------------------

void CCmdPar::MarkNotSet ( )

{

iHasBeenSet = EFalse;

}

//-----------------------------------------------------------------------------

//  End of File  

//-----------------------------------------------------------------------------