--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layouts/cdl/CdlEngine/src/CdlContainers.cpp	Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,222 @@
+/*
+* 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 "CCdlEngine.h"
+
+const TInt KCdlGranularity = 4;
+
+
+//
+// CCdlUids
+//
+
+EXPORT_C CCdlUids* CCdlUids::NewLC()
+	{
+	CCdlUids* self = new(ELeave) CCdlUids;
+	CleanupStack::PushL(self);
+	return self;
+	}
+
+EXPORT_C CCdlUids::CCdlUids()
+: CArrayFixFlat<TUid>(KCdlGranularity)
+	{
+	}
+
+EXPORT_C void CCdlUids::AddL(TUid aUid)
+	{
+	if (FindIndex(aUid) == KErrNotFound)
+		AppendL(aUid);
+	}
+
+EXPORT_C void CCdlUids::AddL(const CCdlUids& aArray)
+	{
+	TInt count = aArray.Count();
+	for (TInt ii=0; ii<count; ii++)
+		{
+		TUid uid = aArray[ii];
+		AddL(uid);
+		}
+	}
+
+EXPORT_C void CCdlUids::Remove(const CCdlUids& aArray)
+	{
+	TInt count = aArray.Count();
+	for (TInt ii=0; ii<count; ii++)
+		Remove(aArray[ii]);
+	}
+
+EXPORT_C void CCdlUids::Remove(TUid aUid)
+	{
+	TInt index = FindIndex(aUid);
+	if (index != KErrNotFound)
+		Delete(index);
+	}
+
+EXPORT_C TInt CCdlUids::FindIndex(TUid aUid) const
+	{
+	TInt count = Count();
+	for (TInt ii=0; ii<count; ii++)
+		{
+		if (At(ii) == aUid)
+			return ii;
+		}
+	return KErrNotFound;
+	}
+
+EXPORT_C CCdlUids* CCdlUids::IntersectionLC(const CCdlUids& aArray) const
+	{
+	CCdlUids* array = CCdlUids::NewLC();
+	TInt count = aArray.Count();
+	for (TInt ii=0; ii<count; ii++)
+		{
+		TUid uid = aArray[ii];
+		if (FindIndex(uid) != KErrNotFound)
+			array->AppendL(uid);
+		}
+	return array;
+	}
+
+EXPORT_C void CCdlUids::ImportL(const TDesC8& aDes)
+	{
+	TInt size = aDes.Size();
+	ResizeL(size/sizeof(TUid));
+	if (size)
+		{
+		Mem::Copy(&At(0), aDes.Ptr(), size);
+		}
+	}
+
+EXPORT_C TPtrC8 CCdlUids::Export() const
+	{
+	TInt count = Count();
+	const TUid* uids = count ? &At(0) : NULL;
+	TPtrC8 ptr(reinterpret_cast<const TText8*>(uids), count*sizeof(TUid));
+	return ptr;
+	}
+
+
+//
+// CCdlNames
+//
+
+EXPORT_C CCdlNames* CCdlNames::NewLC()
+	{
+	CCdlNames* self = new(ELeave) CCdlNames;
+	CleanupStack::PushL(self);
+	return self;
+	}
+
+EXPORT_C CCdlNames::CCdlNames()
+: CArrayPtrFlat<HBufC>(KCdlGranularity)
+	{
+	}
+
+EXPORT_C CCdlNames::~CCdlNames()
+	{
+	ResetAndDestroy();
+	}
+
+EXPORT_C TInt CCdlNames::FindIndex(const TDesC& aName) const
+	{
+	TInt count = Count();
+	for (TInt ii=0; ii<count; ii++)
+		{
+		HBufC* name = At(ii);
+		if (CdlEngine::CompareNames(*name, aName) == 0)
+			return ii;
+		}
+
+	return KErrNotFound;
+	}
+
+EXPORT_C HBufC* CCdlNames::AddL(const TDesC& aName)
+	{
+	TInt pos = FindIndex(aName);
+	if (pos != KErrNotFound)
+		return At(pos);
+
+	HBufC* name = aName.AllocLC();
+	AppendL(name);
+	CleanupStack::Pop(name);
+	return name;
+	}
+
+
+EXPORT_C void CCdlNames::ImportL(const TDesC8& aDes)
+	{
+	TPtrC8 buf(aDes);
+
+	TInt newCount=0;
+	CdlUtils::Extract(buf, newCount);
+	TInt arrayCount = Count();
+	ResizeL(arrayCount + newCount, 0);
+	CleanupStack::PushL(TCleanupItem(CleanupImport, this));
+	for (TInt ii=0; ii<newCount; ii++)
+		{
+		TInt size=0;
+		CdlUtils::Extract(buf, size);
+		TPtrC name((TText*)buf.Ptr(), size/2);
+		buf.Set(buf.Mid(size));
+		if (FindIndex(name) == KErrNotFound)
+			At(arrayCount++) = name.AllocL();
+		}
+	CleanupStack::Pop();	// cleanup import
+	ResizeL(arrayCount);
+	}
+
+EXPORT_C HBufC8* CCdlNames::ExportL() const
+	{
+	HBufC8* buf = ExportLC();
+	CleanupStack::Pop(buf);
+	return buf;
+	}
+
+EXPORT_C HBufC8* CCdlNames::ExportLC() const
+	{
+	HBufC8* buf = HBufC8::NewLC(sizeof(TInt));
+
+	// names count is first in the export descriptor
+	TInt count = Count();
+	CdlUtils::AppendLDC(buf, TPckgC<TInt>(count));
+	for (TInt ii=0; ii<count; ii++)
+		{
+		// for each name, place the size of the name, then the name in the export descriptor
+		const TDesC& name = *At(ii);
+		TInt size = name.Size();
+		CdlUtils::AppendLDC(buf, TPckgC<TInt>(size));
+		TPtrC8 name8((TText8*)name.Ptr(), size);
+		CdlUtils::AppendLDC(buf, name8);
+		}
+
+	return buf;
+	}
+
+void CCdlNames::CleanupImport(TAny* aThis)
+	{
+	static_cast<CCdlNames*>(aThis)->DoCleanupImport();
+	}
+
+void CCdlNames::DoCleanupImport()
+	{
+	// count the number of used HBufCs and resize to that size.
+	TInt count = Count();
+	TInt used;
+	for (used=0; used<count; used++)
+		if (!At(used))
+			break;
+	if (used<count)
+		ResizeL(used);	// will not leave because array is shrinking
+	}