webengine/wmlengine/src/utils/include/TKeyArrayPtr.h
author Stefan Karlsson <stefan.karlsson@nokia.com>
Sat, 10 Apr 2010 13:42:05 +0100
branchCompilerCompatibility
changeset 63 257b240a5599
parent 0 dd21522fd290
permissions -rw-r--r--
Got rid of some trivial warnings (nested comments and tokens after #endif).
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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* Copyright (c) 2002 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 the License "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:  Key class for use with pointer-based Symbian array classes.
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*
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*/
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#ifndef TKEYARRAYPTR_H
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#define TKEYARRAYPTR_H
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//  INCLUDES
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#include <e32base.h>
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#include "nwx_string.h"
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// CLASS DECLARATION
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/**
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*   Numeric key class for use with pointer-based Symbian array classes.
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*   See the following link from Symbian:
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*     http://www3.symbian.com/faq.nsf/f6fbf5deaf4cca7080256a64005ac61e/defdb21d5e976aee80256a570051b8d9?OpenDocument&Highlight=2,TKeyArrayFix
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*   @lib lmgr.lib
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*   @since 2.1
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*/
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class TNumKeyArrayPtr : public TKeyArrayFix
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    {
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    public:  // Constructors and destructor
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        /**
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        * Constructor.
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        */
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        inline TNumKeyArrayPtr(TInt aOffset, TKeyCmpNumeric aType) : TKeyArrayFix(aOffset, aType) {}
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    public: // NEW FUNCTIONS
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        /**
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        * Gets pointer to array entry at specified index.
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        * @since 2.1
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        * @param aIndex Index within the array of desired entry.
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        * @return Pointer to entry.
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        */
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        virtual TAny* At(TInt aIndex) const
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            {
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            if (aIndex == KIndexPtr)
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                {
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                    return *(TUint8**)iPtr + iKeyOffset;
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                }
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            return *(TUint8**)iBase->Ptr(aIndex * sizeof(TUint8**)).Ptr() + iKeyOffset;
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            }
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    };
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/**
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*   Textual (string) key class for use with pointer-based Symbian array classes.
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*   See the following link from Symbian:
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*     http://www3.symbian.com/faq.nsf/f6fbf5deaf4cca7080256a64005ac61e/defdb21d5e976aee80256a570051b8d9?OpenDocument&Highlight=2,TKeyArrayFix
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*   @lib lmgr.lib
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*   @since 2.1
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*/
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class TTextKeyArrayPtr : public TKeyArrayFix
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    {
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    public:  // Constructors and destructor
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        /**
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        * Constructor.
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        */
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        inline TTextKeyArrayPtr(TInt aOffset, TKeyCmpText aType) : TKeyArrayFix(aOffset, aType) {}
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    public: // NEW FUNCTIONS
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        /**
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        * Gets pointer to array entry at specified index.
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        * @since 2.1
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        * @param aIndex Index within the array of desired entry.
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        * @return Pointer to entry.
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        */
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        virtual TAny* At(TInt aIndex) const
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            {
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            if (aIndex == KIndexPtr)
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                {
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                    return *(TUint8**)iPtr + iKeyOffset;
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                }
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            return *(TUint8**)iBase->Ptr(aIndex * sizeof(TUint8**)).Ptr() + iKeyOffset;
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            }
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        virtual TInt Compare(TInt aLeft, TInt aRight) const
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            {
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            NW_Ucs2* l=(*(NW_Ucs2**)At(aLeft));
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            NW_Ucs2* r=(*(NW_Ucs2**)At(aRight));
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            return( NW_Str_Strcmp( l, r ) );
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            }
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    };
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#endif // TKEYARRAYPTR_H   
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// End of File