/*

* 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:

*

*/

#include <memspy/engine/memspyengineoutputsink.h>

// User includes

#include <memspy/engine/memspyengineutils.h>

// Constants

const TInt KMemSpyItemAndValueAlignmentAmount = 30;

const TInt KMemSpyNumericFormatBufferSize = 20;

// Literal constants

_LIT( KMemSpyNumericHexFormat, "0x%08x" );

_LIT( KMemSpyNumericDecFormat, "%d" );

_LIT( KMemSpyDataStreamFolderNameFormatSpec, "%04d%02d%02d - %02dh %02dm %02ds" );

CMemSpyEngineOutputSink::CMemSpyEngineOutputSink( CMemSpyEngine& aEngine )

:   iEngine( aEngine ), iFormatBufferPointer( NULL, 0 )

    {

    }

CMemSpyEngineOutputSink::~CMemSpyEngineOutputSink()

    {

    delete iFormatBuffer;

    delete iPrefix;

    delete iLocalBuffer;

    delete iDataStreamTimeStampSpecifier;

    }

void CMemSpyEngineOutputSink::BaseConstructL()

    {

    iFormatBuffer = HBufC::NewL( 1024 );

    iFormatBufferPointer.Set( iFormatBuffer->Des() );

    iPrefix = HBufC::NewL( 2048 );

    iLocalBuffer = HBufC::NewL( 2048 );

    }

EXPORT_C void CMemSpyEngineOutputSink::DataStreamTimeStampBeginL( const TTime& aTime )

    {

    const TDateTime dt( aTime.DateTime() );

    // Build it up...

    HBufC* spec = HBufC::NewL( KMaxFileName );

    TPtr pName( spec->Des() );

    pName.Format( KMemSpyDataStreamFolderNameFormatSpec, dt.Year(), dt.Month()+1, dt.Day()+1, dt.Hour(), dt.Minute(), dt.Second());

    DataStreamTimeStampEnd();

    iDataStreamTimeStampSpecifier = spec;

    }

EXPORT_C void CMemSpyEngineOutputSink::DataStreamTimeStampEnd()

    {

    delete iDataStreamTimeStampSpecifier;

    iDataStreamTimeStampSpecifier = NULL;

    }

EXPORT_C void CMemSpyEngineOutputSink::DataStreamBeginL( const TDesC& aContext )

    {

    DataStreamBeginL( aContext, KNullDesC );

    }

EXPORT_C void CMemSpyEngineOutputSink::DataStreamBeginL( const TDesC& aContext, const TDesC& aFolder )

    {

    DataStreamBeginL( aContext, aFolder, KNullDesC );

    }

void CMemSpyEngineOutputSink::ProcessSuspendedL( TProcessId /*aId*/ )

    {

    }

void CMemSpyEngineOutputSink::ProcessResumed( TProcessId /*aId*/ )

    {

    }

TBool CMemSpyEngineOutputSink::IsPrefixAllowed( const TDesC& /*aPrefix*/ )

    {

    return ETrue;

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputPrefixSetLC( const TDesC& aPrefix )

    {

    __ASSERT_ALWAYS( aPrefix.Length() <= iPrefix->Des().MaxLength(), User::Invariant() );

    TPtr pPrefix( iPrefix->Des() );

    pPrefix.Zero();

    if  ( IsPrefixAllowed( aPrefix ) )

        {

        pPrefix.Copy( aPrefix );

        }

    CleanupStack::PushL( TCleanupItem( ClearPrefix, this ) );

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputPrefixSetFormattedLC( TRefByValue<const TDesC> aFormat, ... )

    {

	VA_LIST list;

	VA_START(list,aFormat);

    //

	iFormatBufferPointer.Zero();

    iFormatBufferPointer.FormatList( aFormat, list );

    //

    OutputPrefixSetLC( iFormatBufferPointer );

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputPrefixClear()

    {

    iPrefix->Des().Zero();

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputRawL( const TDesC8& aData )

    {

    DoOutputRawL( aData );

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputLineL( const TDesC& aLine, TBool aIncludePrefix )

    {

    TPtr pBuffer( iLocalBuffer->Des() );

    if  ( aIncludePrefix )

        {

        pBuffer.Copy( *iPrefix );

        }

    else

        {

        pBuffer.Zero();

        }

    pBuffer.Append( aLine );

    DoOutputLineL( pBuffer );

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputLineFormattedL( TRefByValue<const TDesC> aFormat, ... )

    {

	VA_LIST list;

	VA_START(list,aFormat);

	iFormatBufferPointer.Zero();

    iFormatBufferPointer.FormatList( aFormat, list );

    //

    OutputLineL( iFormatBufferPointer );

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputBlankLineL()

    {

    DoOutputLineL( KNullDesC );

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputSectionHeadingL( const TDesC& aCaption, TChar aUnderlineCharacter )

    {

    OutputBlankLineL();

    OutputLineL( aCaption );

    //

    HBufC* underline = HBufC::NewLC( aCaption.Length() );

    TPtr pUnderline( underline->Des() );

    pUnderline.Fill( aUnderlineCharacter, aCaption.Length());

    OutputLineL( *underline );

    CleanupStack::PopAndDestroy( underline );

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputItemAndValueL( const TDesC& aItem, const TDesC& aValue )

    {

    FormatBuffer().Zero();

    FormatBuffer().Append( aItem );

    FormatBuffer().Append( ':' );

    const TInt padAmount = KMemSpyItemAndValueAlignmentAmount - aItem.Length();

    FormatBuffer().AppendFill(' ', padAmount);

    FormatBuffer().Append( ' ' );

    FormatBuffer().Append( aValue );

    OutputLineL( FormatBuffer() );

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputItemAndValueL( const TDesC& aItem, TUint aValue, TBool aHex )

    {

    TBuf<KMemSpyNumericFormatBufferSize> val;

    //

    if  ( aHex )

        {

        val.Format( KMemSpyNumericHexFormat, aValue );

        }

    else

        {

        val.Format( KMemSpyNumericDecFormat, aValue );

        }

    //

    OutputItemAndValueL( aItem, val );

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputBinaryDataL( const TDesC& aFormat, const TUint8* aBufferAddress, const TUint8* aDisplayStartAddress, TInt aLength )

    {

    _LIT(KAddresPostfix, ": ");

    _LIT(KDoubleSpace, "  ");

    _LIT(KSingleSpace, " ");

    const TInt maxLen = aLength;

    TInt len = aLength;

    const TUint8* pDataAddr = aBufferAddress;

	TBuf<81> out;

	TBuf<20> ascii;

	TInt offset = 0;

	const TUint8* a = pDataAddr;

    const TUint8* displayAddress = aDisplayStartAddress;

    //

	while(len>0)

		{

		out.Zero();

		ascii.Zero();

		out.AppendNumFixedWidth((TUint) displayAddress, EHex, 8);

		out.Append(KAddresPostfix);

        TUint b;

		for (b=0; b<16; b++)

			{

            TUint8 c = ' ';

            if	((pDataAddr + offset + b) < pDataAddr + maxLen)

	            {

	            c = *(pDataAddr + offset + b);

				out.AppendNumFixedWidth(c, EHex, 2);

	            }

            else

	            {

				out.Append(KDoubleSpace);

	            }

			out.Append( KSingleSpace );

			if (c<=0x20 || c == 0x27 || c>=0x7f || c=='%')

				c=0x2e;

			ascii.Append(TChar(c));

			}

		out.Append(ascii);

        out.ZeroTerminate();

        FormatBuffer().Format( aFormat, &out );

        OutputLineL( FormatBuffer() );

        displayAddress += 16;

        a += 16;

		offset += 16;

		len -= 16;

        }

    }

EXPORT_C void CMemSpyEngineOutputSink::OutputBinaryDataCompressedL( const TDesC& aFormat, const TUint8* aBufferAddress, const TUint8* aDisplayStartAddress, TInt aLength )

    {

    _LIT(KAddresPostfix, ": ");

    _LIT(KDoubleSpace, "  ");

    const TInt maxLen = aLength;

    TInt len = aLength;

    const TUint8* pDataAddr = aBufferAddress;

	TBuf<81> out;

	TInt offset = 0;

	const TUint8* a = pDataAddr;

    const TUint8* displayAddress = aDisplayStartAddress;

    //

	while(len>0)

		{

		out.Zero();

		out.AppendNumFixedWidth((TUint) displayAddress, EHex, 8);

		out.Append(KAddresPostfix);

        TUint b;

		for (b=0; b<16; b++)

			{

            TUint8 c = ' ';

            if	((pDataAddr + offset + b) < pDataAddr + maxLen)

	            {

	            c = *(pDataAddr + offset + b);

				out.AppendNumFixedWidth(c, EHex, 2);

	            }

            else

	            {

				out.Append(KDoubleSpace);

	            }

			if (c<=0x20 || c>=0x7f || c=='%')

				c=0x2e;

			}

        out.ZeroTerminate();

        FormatBuffer().Format( aFormat, &out );

        OutputLineL( FormatBuffer() );

        displayAddress += 16;

        a += 16;

		offset += 16;

		len -= 16;

        }

    }

TPtr& CMemSpyEngineOutputSink::FormatBuffer()

    {

    return iFormatBufferPointer;

    }

CMemSpyEngine& CMemSpyEngineOutputSink::Engine()

    {

    return iEngine;

    }

void CMemSpyEngineOutputSink::ClearPrefix( TAny* aSelf )

    {

    CMemSpyEngineOutputSink* self = reinterpret_cast< CMemSpyEngineOutputSink* >( aSelf );

    self->OutputPrefixClear();

    }

const TDesC& CMemSpyEngineOutputSink::DataStreamTimeStamp() const

    {

    if  ( iDataStreamTimeStampSpecifier )

        {

        return *iDataStreamTimeStampSpecifier;

        }

    return KNullDesC;

    }

CMemSpyEngineSinkMetaData::CMemSpyEngineSinkMetaData( TBool aOverwrite, TBool aUseFileTimeStamp )

:   iOverwrite( aOverwrite ), iUseFileTimeStamp( aUseFileTimeStamp )

    {

    }

EXPORT_C CMemSpyEngineSinkMetaData::~CMemSpyEngineSinkMetaData()

    {

    delete iContext;

    delete iFolder;

    delete iExtension;

    delete iFolderTimeStamp;

    }

void CMemSpyEngineSinkMetaData::ConstructL( const TDesC& aContext, const TDesC& aFolder, const TDesC& aExtension, const TTime& aFolderTime )

    {

    iContext = aContext.AllocL();

    iFolder = aFolder.AllocL();

    iExtension = aExtension.AllocL();

    const TDateTime dt = aFolderTime.DateTime();

    HBufC* spec = HBufC::NewLC( KMaxFileName );

    TPtr pName( spec->Des() );

    pName.Format( KMemSpyDataStreamFolderNameFormatSpec, dt.Year(), dt.Month()+1, dt.Day()+1, dt.Hour(), dt.Minute(), dt.Second());

    iFolderTimeStamp = pName.AllocL();

    CleanupStack::PopAndDestroy( spec );

    }

EXPORT_C CMemSpyEngineSinkMetaData* CMemSpyEngineSinkMetaData::NewL()

    {

    return CMemSpyEngineSinkMetaData::NewL( KNullDesC, KNullDesC, KNullDesC, ETrue, ETrue );

    }

EXPORT_C CMemSpyEngineSinkMetaData* CMemSpyEngineSinkMetaData::NewL( const TDesC& aContext, const TDesC& aFolder, const TDesC& aExtension, TBool aOverwrite, TBool aUseFileTimeStamp )

    {

    // Create a dummy time, we'll clear it after ConstructL() returns...

    TTime now; now.HomeTime();

    CMemSpyEngineSinkMetaData* self = new(ELeave) CMemSpyEngineSinkMetaData( aOverwrite, aUseFileTimeStamp );

    CleanupStack::PushL( self );

    self->ConstructL( aContext, aFolder, aExtension, now );

    CleanupStack::Pop( self );

    // Clear folder time stamp

    self->iFolderTimeStamp->Des().Zero();

    return self;

    }

EXPORT_C CMemSpyEngineSinkMetaData* CMemSpyEngineSinkMetaData::NewL( const TDesC& aContext, const TDesC& aFolder, const TDesC& aExtension, TBool aOverwrite, TBool aUseFileTimeStamp, const TTime& aFolderTimeStamp )

    {

    CMemSpyEngineSinkMetaData* self = new(ELeave) CMemSpyEngineSinkMetaData( aOverwrite, aUseFileTimeStamp );

    CleanupStack::PushL( self );

    self->ConstructL( aContext, aFolder, aExtension, aFolderTimeStamp );

    CleanupStack::Pop( self );

    return self;

    }