1 /*

     2 * Copyright (c) 2010 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 * IPv4 input filter implementation.

    16 *

    17 */

    18 

    19 // System includes

    20 #include <HbInputFilter>

    21 

    22 // User includes

    23 #include "cpipv4filter.h"

    24 

    25 /*!

    26     \class CpIpv4Filter

    27     \brief IPv4 input filter implementation.

    28 */

    29 

    30 // External function prototypes

    31 

    32 // Local constants

    33 

    34 // ======== LOCAL FUNCTIONS ========

    35 

    36 // ======== MEMBER FUNCTIONS ========

    37 

    38 /*!

    39     Returns static instance of the class.

    40 */

    41 CpIpv4Filter* CpIpv4Filter::instance()

    42 {

    43     static CpIpv4Filter myInstance;

    44     return &myInstance;

    45 }

    46 

    47 /*!

    48     Constructor.

    49 */

    50 CpIpv4Filter::CpIpv4Filter()

    51 {

    52 }

    53 

    54 /*!

    55     Destructor.

    56 */

    57 CpIpv4Filter::~CpIpv4Filter()

    58 {

    59 }

    60 

    61 /*!

    62     Returns true if given character is valid for an IPv4 address.

    63 */

    64 bool CpIpv4Filter::filter(QChar aChar)

    65 {

    66     if (aChar >= '0' && aChar <= '9') {

    67         return true;

    68     }

    69     if (aChar == '.') {

    70         return true;

    71     }

    72 

    73     return false;

    74 }