--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/dataproviders/dataproviderapi/interface/cmtpmetadata.h	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,223 @@
+// Copyright (c) 2006-2009 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:
+//
+
+/**
+ @file
+ @publishedPartner
+ @released
+*/
+
+#ifndef CMTPMETADATA_H
+#define CMTPMETADATA_H
+
+#include <badesca.h>
+#include <e32base.h>
+
+/** 
+Defines the MTP meta-data base class.
+@publishedPartner
+@released
+*/
+class CMTPMetaData : public CBase
+    {        
+public:
+    /* 
+     * Store the hash code for the folder
+     */
+    struct TPathHash
+    	{
+    	TUint32 iHash;
+    	TUint   iIndex;
+    	};
+
+public:
+    
+    IMPORT_C virtual ~CMTPMetaData();
+    
+    IMPORT_C const TDesC& DesC(TUint aId) const;
+    IMPORT_C const CDesCArray& DesCArray(TUint aId);
+    IMPORT_C TInt Int(TUint aId) const;
+    IMPORT_C const RArray<TInt>& IntArray(TUint aId) const;
+    IMPORT_C TUint Uint(TUint aId) const;
+    IMPORT_C const RArray<TUint>& UintArray(TUint aId) const;
+    
+    IMPORT_C void GetIntArrayL(TUint aId, RArray<TInt>& aValue);
+    IMPORT_C void GetUintArrayL(TUint aId, RArray<TUint>& aValue);
+    
+    IMPORT_C void SetDesCL(TUint aId, const TDesC& aValue);
+    IMPORT_C void SetDesCArrayL(TUint aId, const CDesCArrayFlat& aValue);
+    IMPORT_C void SetDesCArrayL(TUint aId, const CDesCArraySeg& aValue);
+    IMPORT_C void SetInt(TUint aId, TInt aValue);
+    IMPORT_C void SetIntArrayL(TUint aId, const RArray<TInt>& aValue);
+    IMPORT_C void SetUint(TUint aId, TUint aValue);
+    IMPORT_C void SetUintArrayL(TUint aId, const RArray<TUint>& aValue);
+    IMPORT_C void SetHashPath(const TDesC16& aExclusionPath, TUint aIndex);
+    IMPORT_C const RArray<TPathHash>& GetHashPathArray();
+    
+    IMPORT_C TAny* GetExtendedInterface(TUid aInterfaceUid);
+    IMPORT_C static TInt CompareTPathHash(const TPathHash&, const TPathHash&);
+    
+protected:
+
+    /**
+    The meta-data element data type identifiers.
+    */
+    enum TType
+        {
+        /**
+        Unknown (null).
+        */
+        EUndefined  = 0,
+        
+        /**
+        @see TDesC.
+        */
+        EDesC       = 1,
+        
+        /**
+        @see CDesCArray.
+        */
+        EDesCArray  = 2,
+        
+        /**
+        @see TInt.
+        */
+        EInt        = 3,
+        
+        /**
+        @see Rarray<TInt>.
+        */
+        EIntArray   = 4,
+        
+        /**
+        @see TUint.
+        */
+        EUint       = 5,
+        
+        /**
+        @see Rarray<TUint>.
+        */
+        EUintArray  = 6,
+        };
+
+    /**
+    Describes the meta-data element.
+    */
+    struct TElementMetaData
+        {
+        /**
+        The element buffer offset.
+        */
+        TUint   iOffset;
+        
+        /**
+        The element data type identifier.
+        */
+        TType   iType;
+        };
+    
+protected:
+
+    CMTPMetaData(const TElementMetaData* aElements, TUint aCount);  
+    void ConstructL();
+    void ConstructL(const CMTPMetaData& aFrom);
+
+private:
+    
+    CMTPMetaData();
+    
+    void CopyL(const CDesCArray& aFrom, CDesCArray& aTo);
+    void CopyL(const RArray<TInt>& aFrom, RArray<TInt>& aTo);
+    void CopyL(const RArray<TUint>& aFrom, RArray<TUint>& aTo);
+    
+    void DeleteIntArray(TUint aIdx);
+    void DeleteUintArray(TUint aIdx);
+
+private:  // Owned
+
+    /**
+    The default array granularity
+    */
+    static const TUint              KGranularity = 8;
+    
+    /**
+    The element meta-data.
+    */
+    const RArray<TElementMetaData>  iElements;
+    
+    /**
+    The DesC element data.
+    */
+    RPointerArray<HBufC>            iElementsDesC;
+    
+    /**
+    The DesCArray element data.
+    */
+    RPointerArray<CDesCArray>       iElementsDesCArray;
+
+    /**
+    The Int element data.
+    */
+    RArray<TInt>                    iElementsInt;
+    
+    /**
+    The IntArray element data.
+    */
+    RPointerArray<TAny>             iElementsIntArray;
+
+    /**
+    The Uint element data.
+    */
+    RArray<TUint>                   iElementsUint;
+    
+    /**
+    The UintArray element data.
+    */
+    RPointerArray<TAny>             iElementsUintArray;
+    
+    /**
+    The extended data object pointer.
+    */
+    TAny*                           iExtensionData;
+    
+    /**
+    The extended interface object pointer.
+    */
+    TAny*                           iExtensionInterfaces;
+
+    /**
+    The TDesCArrayType type element data.
+    */
+    RArray<TInt>  iElementsDesCArrayType;
+    RArray<TPathHash>               iPathHash;
+
+	/**
+    The CDesCArray element data type identifiers.
+    */
+    enum TDesCArrayType 
+    	{
+    	/**
+        @see CDesCArrayFlat.
+        */
+    	 EDesCArrayFlat = 0,
+    		
+    	/**
+        @see CDesCArraySeg.
+        */
+    	 EDesCArraySeg = 1,
+    	};
+    };
+    
+#endif // CMTPMETADATA_H