os/persistentdata/traceservices/tracefw/ulogger/src/sysconfig/sysconfigimpl.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// ULogger sys config
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// 
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//
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/**
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 @file
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 @internalTechnology
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 @prototype
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*/
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#ifndef SYSCONFIGIMPL_H
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#define SYSCONFIGIMPL_H
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#include <e32cmn.h>		 
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#include <f32file.h>	 
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#include "uloggersysconfig.h"
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#include <bsul/inifile.h>
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#include "uloggershared.h"
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namespace Ulogger
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{
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NONSHARABLE_CLASS(CConfigSettingsImpl) : public CBase
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{
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public:
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	/**Standard Symbian OS construction method.*/
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	static CConfigSettingsImpl* NewL();
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	TBool Next(TPtrC8& aSetting,TPtrC8& aSettingValue);
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	void Reset();
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	/**Destructor.*/
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	~CConfigSettingsImpl();
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private:
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	friend class CConfigImpl;
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	CConfigSettingsImpl();
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	BSUL::CIniSecIter8* iIniSecIter;
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};
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NONSHARABLE_CLASS(CConfigImpl) : public CBase
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	{
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public:
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	static CConfigImpl* NewL(RHeap* aHeap,TFileName& aFilename);
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	~CConfigImpl();
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	// Allow Objects to register for configuration change notifications
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	//Get operation									 
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	TInt GetKeyValue(const TDesC8& aSectionName,const TDesC8& aKey,TPtrC8& aValue);
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	TInt GetSection(const TDesC8& aSectionName,CConfigSettingsIter& aSection);	
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	TInt GetKeyCount(const TDesC8& aSectionName,TPtrC8& aLastKey);
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	//modify operation	
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	TInt SetKeyValue(const TDesC8& aSectionName,const TDesC8& aKey, const TDesC8& aValue);
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	TInt RemoveKey(const TDesC8& aSectionName,const TDesC8& aKeyName);
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	TInt RemoveSection(const TDesC8& aSectionName);
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	//utils
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	TInt GetPointerToKeyName(const TDesC8& aSectionName,const TDesC8& aKeyName,TPtrC8& aKeyPointer);
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	TInt CheckValueExist(const TDesC8& aSectionName,const TDesC8& aValue,TInt& aKeyCount);
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	TInt PersistIniFile();
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	TInt GenerateInternalKey(const TDesC8& aSection,TBuf8<15>& aKeyName);	
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	void GetSystemDrive(TDriveName& aSystemDrive);
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private:
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	CConfigImpl(RHeap* aHeap,TFileName& aFileName) : 
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		iHeap(aHeap),iFileName(aFileName) {}
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	void ConstructL();	
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	void LoadConfigFileL();
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	void GetConfigFileName(TFileName& aFileName);
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private:	
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	/** Mutex for controlling write access */
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	RMutex iWriteMutex;
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	/** Pointer to private heap */
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	RHeap* iHeap;
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	/** Handle to file server */
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	RFs iFs;
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	/** Ini-file parser */
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	BSUL::CIniDocument8* iIniFileDocument;
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	TFileName iFileName;
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	};
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}
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#endif // SYSCONFIGIMPL_H
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