crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/Common/State/Implementations/ETMDecodeStateContextID.cs
/*
* Copyright (c) 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:
*
*/
using System;
using System.Collections.Generic;
using System.Text;
using SymbianUtils.BasicTypes;
using SymbianETMLib.Common.Types;
using SymbianETMLib.Common.Packets;
namespace SymbianETMLib.Common.State
{
public class ETMDecodeStateContextID : ETMDecodeState
{
#region Constructors
public ETMDecodeStateContextID( ETMStateData aManager )
: base( aManager )
{
iContextIdBytesRequired = aManager.Config.ContextIDSize;
iBytesRemaining = iContextIdBytesRequired;
}
#endregion
#region API
public override ETMDecodeState HandleByte( SymByte aByte )
{
// TODO: test this
ETMDecodeState nextState = this;
//
int byteNumber = iContextIdBytesRequired - iBytesRemaining;
uint val = aByte.LShift( byteNumber * 8 );
iContextId |= val;
//
if ( --iBytesRemaining == 0 )
{
// Got everything
base.StateData.SetContextID( iContextId );
nextState = new ETMDecodeStateSynchronized( base.StateData );
}
//
return nextState;
}
#endregion
#region Properties
public string ContextIDName
{
get
{
string ret = base.StateData.Config.GetContextID( iContextId );
return ret;
}
}
#endregion
#region Internal methods
private void Trace()
{
base.DbgTrace( "CONTEXT_ID", string.Format( "ID: {0} [{1}]", iContextId, ContextIDName ) );
}
#endregion
#region From System.Object
#endregion
#region Data members
private readonly int iContextIdBytesRequired;
private uint iContextId = 0;
private int iBytesRemaining = 0;
#endregion
}
}