--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarks/locationlandmarks/clientlib/src/epos_poslandmarkserialization.cpp	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,209 @@
+/*
+* Copyright (c) 2005 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:This class contains helper methods for landmark serialization.
+*
+*/
+
+
+#include <lbsposition.h>
+
+#include "EPos_CPosLandmark.h"
+#include "epos_cposreadbufstorage.h"
+#include "epos_cposwritebufstorage.h"
+#include "epos_poslandmarkserialization.h"
+
+const TInt KVersion = 0x0100; // 1.0
+
+// Keeps all landmark static-size info
+struct TLandmarkBufferHeader
+    {
+    TInt            iSize;
+    TInt            iVersion;
+
+    TPosLmItemId    iId;
+    TBool           iIsPartial;
+
+    TBool           iIsIconSet;
+    TInt            iIconIndex;
+    TInt            iIconMaskIndex;
+
+    TBool           iIsRadiusSet;
+    TReal32         iCoverageRadius;
+
+    TBool           iIsPositionSet;
+    TLocality       iPosition;
+
+    TInt            iCategoriesNum;
+    TInt            iPositionFieldsNum;
+    };
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+EXPORT_C HBufC8* PosLandmarkSerialization::PackL( const CPosLandmark& aLandmark )
+    {
+    TLandmarkBufferHeader header;
+    memclr( &header, sizeof header );
+    TPckg<TLandmarkBufferHeader> headerPack( header );
+    TPtrC name, desc, icon;
+
+    aLandmark.GetLandmarkName( name );
+    aLandmark.GetLandmarkDescription( desc );
+    header.iIsIconSet = ( KErrNone == 
+        aLandmark.GetIcon( icon, header.iIconIndex, header.iIconMaskIndex ) );
+
+    // calculate required memory
+
+    TInt size = CPosWriteBufStorage::PackedSize( headerPack ) + 
+                CPosWriteBufStorage::PackedSize( name ) + 
+                CPosWriteBufStorage::PackedSize( desc ) + 
+                CPosWriteBufStorage::PackedSize( icon );
+
+    RArray<TPosLmItemId> categories;
+    CleanupClosePushL( categories );
+    aLandmark.GetCategoriesL( categories );
+
+    size += categories.Count() * sizeof( TPosLmItemId );
+
+    TPositionFieldId field = aLandmark.FirstPositionFieldId();
+    while ( field != EPositionFieldNone )
+        {
+        TPtrC fieldData;
+        aLandmark.GetPositionField( field, fieldData );
+        field = aLandmark.NextPositionFieldId( field );
+        
+        size += sizeof( TPositionFieldId ) + CPosWriteBufStorage::PackedSize( fieldData );
+        }
+
+    // collect static-size data
+    header.iSize = size;
+    header.iVersion = KVersion;
+    header.iId = aLandmark.LandmarkId();
+    header.iIsPartial = aLandmark.IsPartial();
+
+    header.iIsRadiusSet = ( KErrNone == aLandmark.GetCoverageRadius( header.iCoverageRadius ) );
+    header.iIsPositionSet = ( KErrNone == aLandmark.GetPosition( header.iPosition ) );
+
+    header.iCategoriesNum = categories.Count();
+    header.iPositionFieldsNum = aLandmark.NumOfAvailablePositionFields();
+
+    // Put data
+    CPosWriteBufStorage* buf = CPosWriteBufStorage::NewLC( size );
+
+    buf->Put( headerPack );
+    buf->Put( name );
+    buf->Put( desc );
+    buf->Put( icon );
+
+    // categories
+    for ( TInt i = 0; i < categories.Count(); i++ )
+        {
+        TPosLmItemId catId = categories[i];
+        buf->Put( catId );
+        }
+
+    // position fields
+    field = aLandmark.FirstPositionFieldId();
+    while ( field != EPositionFieldNone )
+        {
+        TPtrC fieldData;
+        aLandmark.GetPositionField( field, fieldData );
+
+        buf->Put( field );        
+        buf->Put( fieldData );
+
+        field = aLandmark.NextPositionFieldId( field );
+        }
+
+    HBufC8* buffer = buf->FinalizeL();
+
+    // Cleanup
+    CleanupStack::PopAndDestroy( buf );
+    CleanupStack::PopAndDestroy( &categories );
+    return buffer;
+    }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CPosLandmark* PosLandmarkSerialization::UnpackL( const TDesC8& aBuffer )
+    {
+    TPckgBuf<TLandmarkBufferHeader> header;
+
+    CPosLandmark* lm = CPosLandmark::NewLC();
+    CPosReadBufStorage* buf = CPosReadBufStorage::NewLC( aBuffer );
+    
+    buf->GetL( header );
+
+    if ( header().iSize != aBuffer.Size() ||
+         header().iVersion != KVersion ||
+         header().iCategoriesNum < 0 ||
+         header().iPositionFieldsNum < 0 )
+        {
+        User::Leave( KErrCorrupt );
+        }
+
+    lm->SetLandmarkIdL( header().iId );
+    lm->SetPartialL( header().iIsPartial );
+
+    if ( header().iIsRadiusSet )
+        {
+        lm->SetCoverageRadius( header().iCoverageRadius );
+        }
+    
+    if ( header().iIsPositionSet )
+        {
+        lm->SetPositionL( header().iPosition );
+        }
+
+    // strings
+
+    TPtrC name, desc, icon;
+    buf->GetL( name );
+    buf->GetL( desc );
+    buf->GetL( icon );
+
+    lm->SetLandmarkNameL( name );
+    lm->SetLandmarkDescriptionL( desc );
+
+    if ( header().iIsIconSet )
+        {
+        lm->SetIconL( icon, header().iIconIndex, header().iIconMaskIndex );
+        }
+
+    // categories
+    TPosLmItemId id = KPosLmNullItemId;
+    for ( TInt i = 0; i < header().iCategoriesNum; i++ )
+        {
+        buf->GetL( id );
+        lm->AddCategoryL( id );
+        }
+
+    // position fields
+    TPtrC field;
+    TPositionFieldId fieldId = EPositionFieldNone;
+    for ( TInt i = 0; i < header().iPositionFieldsNum; i++ )
+        {
+        buf->GetL( fieldId );
+        buf->GetL( field );
+        lm->SetPositionFieldL( fieldId, field );
+        }
+        
+    // cleanup
+    CleanupStack::PopAndDestroy( buf ); 
+    CleanupStack::Pop( lm ); 
+    return lm;
+    }