/*

* Copyright (c) 2007 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:  Utility class to hold data for predictive search.

*                Used to marshal data between the client, server and data 

*                plugins.

*

*/

// INCLUDE FILES

#include "CWords.h"

// CWords

inline CWords::CWords()

    {

    }

EXPORT_C CWords* CWords::NewLC

        (const TDesC& aText)

    {

    CWords* self = new(ELeave) CWords();

    CleanupStack::PushL(self);

    self->ConstructL(aText);

    return self;

    }

EXPORT_C CWords::~CWords()

    {

    iWords.Close();

    }

EXPORT_C TInt CWords::MdcaCount() const

    {

    return iWords.Count();

    }

EXPORT_C TPtrC16 CWords::MdcaPoint(TInt aIndex) const

    {

    return iWords[aIndex];

    }

void CWords::ConstructL(const TDesC& aText)

    {

    const TInt textLength = aText.Length();

    for (TInt beg=0; beg < textLength; ++beg)

        {

        // Skip separators before next word

        if (!DefaultIsWordSeparator(aText[beg]))

            {

            // Scan the end of the word

            TInt end = beg;

            for (; end < textLength && !DefaultIsWordSeparator(aText[end]); ++end)

                {

                }

            const TInt len = end-beg;

            // Append found word to the array

            User::LeaveIfError(iWords.Append(aText.Mid(beg,len)));

            // Scan for next word

            beg = end;

            }

        }

    if (iWords.Count()==0 && textLength > 0)

        {

        // aText is all word separator characters -> make a "word" out of those

        User::LeaveIfError(iWords.Append(aText));

        }

    }

TBool CWords::DefaultIsWordSeparator(TChar aChar)

    {

    return (aChar.IsSpace());

    }