1 /*

     2 * Copyright (c) 2002 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 

    18 

    19 // ========== INCLUDE FILES ================================

    20 

    21 #include <txtetext.h>               // for CPlainText

    22 

    23 #include "MsgAttachmentUtils.h"

    24 

    25 // ========== EXTERNAL DATA STRUCTURES =====================

    26 

    27 // ========== EXTERNAL FUNCTION PROTOTYPES =================

    28 

    29 // ========== CONSTANTS ====================================

    30 

    31 // ========== MACROS =======================================

    32 

    33 // ========== LOCAL CONSTANTS AND MACROS ===================

    34 

    35 // ========== MODULE DATA STRUCTURES =======================

    36 

    37 // ========== LOCAL FUNCTION PROTOTYPES ====================

    38 

    39 // ========== LOCAL FUNCTIONS ==============================

    40 

    41 // ========== MEMBER FUNCTIONS =============================

    42 

    43 //----------------------------------------------------------------------------

    44 // from: TBool CImRecvConvert::IsIllegalChar(const TUint aChar)

    45 //----------------------------------------------------------------------------

    46 LOCAL_C TBool IsIllegalChar(const TUint aChar)

    47     {

    48     return (

    49         aChar == '*'  ||

    50         aChar == '\\' ||

    51         aChar == '<'  ||

    52         aChar == '>'  ||

    53         aChar == ':'  ||

    54         aChar == '.'  ||

    55         aChar == '"'  ||

    56         aChar == '/'  ||

    57         aChar == '|'  ||

    58         aChar == '?'  ||

    59         aChar == CEditableText::EParagraphDelimiter  ||

    60         aChar == CEditableText::ELineBreak  ||

    61         aChar <  ' ' );

    62     }

    63 

    64 // ---------------------------------------------------------

    65 // MsgAttachmentUtils::GetFileNameFromBuffer

    66 //

    67 //

    68 // ---------------------------------------------------------

    69 //

    70 void MsgAttachmentUtils::GetFileNameFromBuffer(

    71     TFileName& aFileName,

    72     const TDesC& aBuffer,

    73     TInt aMaxLength,

    74     const TDesC* aExt /*= NULL*/ )

    75     {

    76     if ( aExt != NULL )

    77         {

    78         aMaxLength -= aExt->Length();

    79         }

    80 

    81     TInt len = aBuffer.Length();

    82     TInt max = Min( len, aMaxLength );

    83 

    84 //    __ASSERT_DEBUG( max > 0, Panic( EMsgZeroLength ) );

    85 

    86     aFileName.Zero();

    87 

    88     TInt cc = 0;

    89     TUint ch;

    90     TUint ch1 = 0;

    91     TBool spaces = EFalse;

    92     for ( TInt i = 0; i < len && cc < max; i++ )

    93         {

    94         ch = aBuffer[i];

    95 

    96         // ignore spaces from beginning of the buffer until first

    97         // non-space is encountered.

    98         if ( !spaces && ch != ' ' )

    99             {

   100             spaces = ETrue;

   101             }

   102 

   103         if ( i > 0 )

   104             {

   105             ch1 = aBuffer[i - 1];

   106             }

   107 

   108         // strip illegal chars away.

   109         // checks also if previous and current chars are '.'

   110         if ( spaces && ! IsIllegalChar( ch ) )

   111             {

   112             if ( !( i > 0 && ch == '.' && ch1 == '.' ) )

   113                 {

   114                 aFileName.Append( ch );

   115                 cc++;

   116                 }

   117             }

   118         }

   119 

   120     aFileName.Trim();

   121 

   122     // If filename is empty at this point, do not append extension either.

   123     // Instead, empty filename is returned so that caller can use whatever

   124     // default s/he has for it.

   125     if ( aFileName.Length() > 0 && aExt != NULL )

   126         {

   127         aFileName.Append( *aExt );

   128         }

   129     }

   130 

   131 // End of File