textinput/peninputarc/inc/peninputlayoutcontrolinc/peninputlayoutmicfnomatchesinline.h
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     1 /*
       
     2 * Copyright (c) 2009 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:
       
    15 *
       
    16 */
       
    17 #ifndef TPENINPUTLAYOUTMICFNOMATCHESINLINE_H
       
    18 #define TPENINPUTLAYOUTMICFNOMATCHESINLINE_H
       
    19 
       
    20 #include <e32base.h>
       
    21 
       
    22 class TFepLayoutMIcfNoMatchesInline
       
    23     {
       
    24 public:
       
    25 
       
    26     /**
       
    27      * This returns a text sensitive no matches indication
       
    28      *
       
    29      * @returns a TPtr to the No Matches indication text to use for this buffer
       
    30      */
       
    31     static TPtrC TextForUnknownPredictiveTextIndication(const TDesC& aTextSample);
       
    32 
       
    33 private:    
       
    34     /**
       
    35      * Returns a value that is the base value of a unicode code page. The significant content of
       
    36      * the buffer ( indices [1,aBufferLength]) and is examined from low to high index.  
       
    37      * Code page is the here defined as the unicode value excluding its lowest byte - Masked 
       
    38      * by 0xFF00 
       
    39      *
       
    40      * If a character with non-zero code page is found, that value is returned.  Otherwise, 0x0000
       
    41      * is returned
       
    42      * 
       
    43      * To totally dependable, this routine depends upon the chunk being of uniform codepage, 
       
    44      * or mixed codepage 0 + one other codepage.  For no-matches indicator text, this is the case
       
    45      *
       
    46      * @param aTextSample    buffer containing text, 
       
    47      * @returns              Codepage of first
       
    48      */
       
    49     static TUint CodeBaseOfText(const TDesC& aTextSample);
       
    50     };
       
    51 
       
    52 #endif // TPENINPUTLAYOUTMICFNOMATCHESINLINE_H