// Copyright (c) 2002-2009 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:

//

#ifndef __LOGSERVRESOURCEINTERPRETER_H__

#define __LOGSERVRESOURCEINTERPRETER_H__

#include <barsc.h>

#include <barsread.h>

#include <logcli.h>

/**

Gives an access to the server resource file and maintains a cache of the retrieved resource entries.

@internalComponent

*/

class CLogServResourceInterpreter : public CBase

	{

public:

	enum TResourceType

		{

		ELogWrap = 0,

		ELogServer

		};

public:

	static CLogServResourceInterpreter* NewL(RFs& aFsSession);

	~CLogServResourceInterpreter();

    void CreateResourceReaderLC(TResourceReader& aReader, TInt aId, TResourceType aType) ;//Create a resource reader for a specific resource entry

private:

    /**

    @internalComponent

    */

	struct TResourceFileEntry

	    {

		RResourceFile iFile;

		TResourceType iType;

	    };

    /**

    @internalComponent

    */

	class CResourceStringCacheEntry : public CBase

	    {

	public:

		static CResourceStringCacheEntry* NewL(TInt aResourceId, CLogServResourceInterpreter::TResourceType aResourceType, HBufC8* aResourceString);

		~CResourceStringCacheEntry();

		TUint ResourceId(void) ;

		CLogServResourceInterpreter::TResourceType ResourceType(void) ;

		HBufC8* ResourceString (void) ;

		static TInt Offset();

	private:

		CResourceStringCacheEntry (TInt aResourceId, CLogServResourceInterpreter::TResourceType aType, HBufC8* aResourceString);

	private :

		TSglQueLink iLink;

		TUint iResourceId ;

		CLogServResourceInterpreter::TResourceType iResourceType ;

		HBufC8* iResourceString ;

	    };

    CLogServResourceInterpreter(RFs& aFsSession);

    void ConstructL();

	void LoadResourceFileL(const TDesC& aName, TResourceType aType);

	const RResourceFile& ResourceFileForType(TResourceType aType) const;

	CResourceStringCacheEntry* FindCachedResourceString(const TInt aId, TResourceType aType) ;

	HBufC8* GetResourceBufferL(TInt aId, TResourceType aType) ;

private:

	RFs& iFsSession;

	RArray<TResourceFileEntry> iResourceFiles;

	//Used to cache strings read from resource file

	TSglQue<CResourceStringCacheEntry> iResourceStringCache;

	TSglQueIter<CResourceStringCacheEntry> iResourceStringCacheIter;

	};

#endif