contentstorage/cautils/inc/caentryattribute.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 15:30:51 +0300
branchRCL_3
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permissions -rw-r--r--
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/*
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 * Copyright (c) 2008 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: Definition of entry attribute
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 *
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 */
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#ifndef __CAENTRYATTRIBUTE_H__
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#define __CAENTRYATTRIBUTE_H__
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#include <e32base.h>
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//FORWARD DECLARATIONS
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class RWriteStream;
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class RReadStream;
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/**
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 *  CA entry attribute.
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 *  @lib .lib
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 *  @since S60 v5.0
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 */
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NONSHARABLE_CLASS( CCaEntryAttribute ): public CBase
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    {
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public:
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    /**
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     * Destructor.
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     */
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    virtual ~CCaEntryAttribute();
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    /**
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     * Two-phased constructor.
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     * @param aName Attribute name.
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     * @return The created object.
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     */
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    IMPORT_C static CCaEntryAttribute* NewL( const TDesC& aName );
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    /**
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     * Two-phased constructor.
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     * @param aName Attribute name.
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     * @return The created object.
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     */
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    IMPORT_C static CCaEntryAttribute* NewLC( const TDesC& aName );
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    /**
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     * Get name.
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     * @return Name.
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     */
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    TPtrC Name() const
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        {
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        return iName;
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        }
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    /**
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     * Get value.
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     * @return Value, or NULL if attribute is not set.
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     */
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    TPtrC Value() const
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        {
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        return iValue;
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        }
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    /**
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     * Set value. Sets changed status as appropriate.
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     * @param aValue Value, or NULL if attribute is not set (==remove attr).
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     * Ownership taken.
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     */
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    IMPORT_C void SetValueL( const TDesC& aName );
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    /**
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     * Externalizes array to the stream
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     * @param aStream a write stream
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     */
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    void ExternalizeL( RWriteStream& aStream ) const;
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    /**
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     * Internalizes stream to the array
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     * @param aStream a read stream
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     */
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    void InternalizeL( RReadStream& aStream );
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protected:
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    /**
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     * Second phased constructor.
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     * @param aName Attribute name.
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     */
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    void ConstructL( const TDesC& aName );
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private:
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    // data
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    /*
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     * Attribute name. Own
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     */
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    RBuf iName;
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    /*
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     * Attribute value. Own
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     */
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    RBuf iValue;
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    };
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/**
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 * Attribute array.
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 *  @lib camenu.lib
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 *  @since S60 v5.0
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 */
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NONSHARABLE_CLASS( RCaEntryAttrArray ): public RPointerArray<CCaEntryAttribute>
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    {
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public:
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    /**
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     * Find attribute by name.
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     * @param aId Id.
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     * @param aName Name.
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     * @param aAttr Attribute value.
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     * @return TBool ,ETrue if attribute was found
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     */
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    IMPORT_C TBool Find( const TDesC& aName, TDes& aAttrVal ) const;
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    /**
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     * Find attribute by name.
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     * @param aId Id.
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     * @param aName Name.
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     * @param aAttr Attribute value.
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     * @return TBool, ETrue if attribute was found
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     */
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    IMPORT_C TBool Find( const TDesC& aName, TPtrC& aAttrVal ) const;
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    /*
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     * Check if attribute exists
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     * @param aId Id
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     * @param aName Name
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     * @return ETrue if attribute exists
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     */
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    IMPORT_C TBool Exist( const TDesC& aName ) const;
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    /**
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     * Remove attribute
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     * @param aId Id.
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     * @param aAttrName Attribute name
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     */
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    IMPORT_C void RemoveAttribute( const TDesC& aAttrName );
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    /**
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     * Externalizes array to the stream
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     * @param aStream a write stream
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     */
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    void ExternalizeL( RWriteStream& aStream ) const;
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    /**
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     * Internalizes stream to the array
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     * @param aStream a read stream
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     */
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    void InternalizeL( RReadStream& aStream );
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    };
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#endif // __CAENTRYATTRIBUTE_H__