/*

 * Component Name: Headset Simulator

 * Author: Comarch S.A.

 * Version: 1.0

 * Copyright (c) 2010 Comarch S.A.

 *  

 * This Software is submitted by Comarch S.A. to Symbian Foundation Limited on 

 * the basis of the Member Contribution Agreement entered between Comarch S.A. 

 * and Symbian Foundation Limited on 5th June 2009 (“Agreement”) and may be 

 * used only in accordance with the terms and conditions of the Agreement. 

 * Any other usage, duplication or redistribution of this Software is not 

 * allowed without written permission of Comarch S.A.

 * 

 */

#include "hsremotecontroltools.h"

#include "debug.h"

CHsRemoteControlParser* CHsRemoteControlParser::NewL()

    {

    CHsRemoteControlParser *self = CHsRemoteControlParser::NewLC();

    CleanupStack::Pop( self );

    return self;

    }

CHsRemoteControlParser* CHsRemoteControlParser::NewLC()

    {

    CHsRemoteControlParser *self = new ( ELeave ) CHsRemoteControlParser;

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

CHsRemoteControlParser::~CHsRemoteControlParser()

    {

    }

void CHsRemoteControlParser::ConstructL()

    {

    }

CHsRemoteControlParser::CHsRemoteControlParser()

    {

    }

void CHsRemoteControlParser::ParseL( const TDesC8 &aText,

        THsRemoteControlCommand &aCommand )

    {

    TRACE_FUNC_ENTRY

    if ( !IsPackageValid( aText ) )

        {

        User::Leave( KErrArgument );

        }

    TBuf8 <KHsRemoteControlPackageTypeMaxLength> typeBuf;

    TBuf8 <KHsRemoteControlPackageLength - KHsRemoteControlPackageTypeMaxLength>

            dataBuf;

    User::LeaveIfError( SplitPackage( aText, typeBuf, dataBuf ) );

    THsRemoteControlCommandType cmdType = EHsLast;

    User::LeaveIfError( RecognizeType( typeBuf, cmdType ) );

    THsControlCommandData cmdData( dataBuf );

    THsRemoteControlCommand tmpCommand( cmdData, cmdType );

    THsRemoteControlCommand::Copy( tmpCommand, aCommand );

    TRACE_FUNC_EXIT

    }

TBool CHsRemoteControlParser::IsPackageValid( const TDesC8 &aData )

    {

    return ( aData.Size() <= KHsRemoteControlPackageLength ) && ( aData.Find(

            KHsRemoteControllerPackageDelim ) != KErrNotFound );

    }

TInt CHsRemoteControlParser::SplitPackage( const TDesC8 &aData,

        TDes8 &aTypePart, TDes8 &aDataPart )

    {

    TRACE_FUNC_ENTRY

    TInt err = KErrNone;

    TInt delimPos = aData.Find( KHsRemoteControllerPackageDelim );

    if ( delimPos != KErrNotFound )

        {

        aTypePart.Copy( aData.Left( delimPos ) );

        aDataPart.Copy( aData.Right( aData.Length() - delimPos - 1 ) );

        }

    else

        {

        err = KErrNotFound;

        }

    TRACE_FUNC_EXIT

    return err;

    }

TInt CHsRemoteControlParser::RecognizeType( const TDesC8 &aTypePart,

        THsRemoteControlCommandType& aCommandType )

    {

    TRACE_FUNC_ENTRY

    TLex8 lex( aTypePart );

    TInt val;

    TInt err = lex.Val( val );

    aCommandType = (THsRemoteControlCommandType) val;

    TRACE_FUNC_EXIT

    return err;

    }