1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Utility class to hold data for predictive search.

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

    16 *                plugins.

    17 *

    18 */

    19 

    20 // INCLUDE FILES

    21 #include "CWords.h"

    22 

    23 

    24 // CWords

    25 inline CWords::CWords()

    26     {

    27     }

    28 

    29 EXPORT_C CWords* CWords::NewLC

    30         (const TDesC& aText)

    31     {

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

    33     CleanupStack::PushL(self);

    34     self->ConstructL(aText);

    35     return self;

    36     }

    37 

    38 EXPORT_C CWords::~CWords()

    39     {

    40     iWords.Close();

    41     }

    42 

    43 EXPORT_C TInt CWords::MdcaCount() const

    44     {

    45     return iWords.Count();

    46     }

    47 

    48 EXPORT_C TPtrC16 CWords::MdcaPoint(TInt aIndex) const

    49     {

    50     return iWords[aIndex];

    51     }

    52 

    53 void CWords::ConstructL(const TDesC& aText)

    54     {

    55     const TInt textLength = aText.Length();

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

    57         {

    58         // Skip separators before next word

    59         if (!DefaultIsWordSeparator(aText[beg]))

    60             {

    61             // Scan the end of the word

    62             TInt end = beg;

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

    64                 {

    65                 }

    66             const TInt len = end-beg;

    67             // Append found word to the array

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

    69             // Scan for next word

    70             beg = end;

    71             }

    72         }

    73 

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

    75         {

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

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

    78         }

    79     }

    80 

    81 TBool CWords::DefaultIsWordSeparator(TChar aChar)

    82     {

    83     return (aChar.IsSpace());

    84     }

    85