telutils/phoneparser/src/CPhoneGsmPhoneNumberParser.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:11:09 +0200
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permissions -rw-r--r--
Revision: 201003 Kit: 201005
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/*
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Parser for phone numbers.
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*
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*/
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// INCLUDE FILES
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#include    "CPhoneGsmPhoneNumberParser.h"
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#include    "CPhoneGsmParserResult.h"
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#include    "CPhoneGsmOptionContainer.h"
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#include    "CPhoneVoipNumberParser.h"
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#include    "CPhoneParserFeatures.h"
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#include    "phoneParserCommon.h"
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// CONSTANTS
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_LIT( KPhoneClirSuppress, "*31#" );
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_LIT( KPhoneClirInvoke, "#31#" );
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const TInt KPhoneNumberOne = '1';
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const TInt KPhoneNumberMaxLength = 80;
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const TInt KPhoneShortStringMinLength = 1;  // Must be positive.
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const TInt KPhoneShortStringMaxLength = 2;  // Must be positive.
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const TInt KPhoneHashStringMinLength = 2;
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const TInt KPhoneTwoDigitStringLength = 2;
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// If there is one of the characters in the string, then the string
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// is considered as phone number.
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_LIT( KPhoneMustPhoneNumberChars, "pw" );
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_LIT( KPhoneHashChar, "#" );
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_LIT( KPhoneNumberZero, "0" );
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::CPhoneGsmPhoneNumberParser
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// -----------------------------------------------------------------------------
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//
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CPhoneGsmPhoneNumberParser::CPhoneGsmPhoneNumberParser()
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    {
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    }
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::NewLC
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// -----------------------------------------------------------------------------
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//
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CPhoneGsmPhoneNumberParser* CPhoneGsmPhoneNumberParser::NewLC()
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    {
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    CPhoneGsmPhoneNumberParser* self = 
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        new ( ELeave ) CPhoneGsmPhoneNumberParser;
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    CleanupStack::PushL( self );
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::ParseL
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// 
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// Phone number can contain following parts: supplementary
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// service prefix, main part and dtmf postfix.
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// 
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// -----------------------------------------------------------------------------
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//
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TBool CPhoneGsmPhoneNumberParser::ParseL( 
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        const TDesC& aString,
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        CPhoneGsmParserResult& aResult,
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        CPhoneGsmOptionContainerBase& aOptions )
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    {
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    aResult.ClearL();
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    TBool result = DoParseL( 
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            aString,
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            aResult,
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            static_cast<CPhoneGsmOptionContainer&>( aOptions ) );
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    if ( !result )
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        {
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        aResult.ClearL();
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        }
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    return result;
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    }
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::DoParseL
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// 
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// Phone number can contain following parts: supplementary
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// service prefix, main part and dtmf postfix.
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// -----------------------------------------------------------------------------
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//
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TBool CPhoneGsmPhoneNumberParser::DoParseL( 
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        const TDesC& aString,
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        CPhoneGsmParserResult& aResult,
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        CPhoneGsmOptionContainer& aOptions )
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    {
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    TBool result = EFalse;
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    if ( !aOptions.FindOptionStatus( KPhoneOptionSend ))
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        {
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        return EFalse;
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   115
        }
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   116
    if ( !ContainsPauseOrWaitChars( aString )) // p or w --> always phone number
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parents:
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   117
        {
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   118
        if ( IsHashString( aString ))
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parents:
diff changeset
   119
            {
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   120
            return EFalse;
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   121
            }
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   122
        if ( aString.Length() >= KPhoneShortStringMinLength &&
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   123
             aString.Length() <= KPhoneShortStringMaxLength )
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   124
            {
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   125
            if ( !IsZeroDialling( aString, aOptions ) && 
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   126
                !IsTwoDigitDialling( aString ) && !Is1xDialling( aString, aOptions )) 
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   127
                {
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   128
                return EFalse;
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   129
                }
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   130
            }
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   131
        }
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   132
    TLex input( aString );
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   133
    
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   134
    if ( !HandleServicePrefix( input, aResult ) )
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   135
        {
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   136
        aResult.SetAuxInformation( KPhoneDialDefaultClir );
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   137
        }
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parents:
diff changeset
   138
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   139
    // Take number part and add it to result.
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   140
    result = TakeNumberPartL( input, aResult );
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parents:
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   141
        
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   142
    if ( result )
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parents:
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   143
        {
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   144
        if ( !aOptions.FindOptionStatus( KPhoneOptionVoipCall ) )
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parents:
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   145
            {
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   146
            aResult.SetUid( KPhoneUidPhoneNumber );
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   147
            }
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parents:
diff changeset
   148
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   149
        // Add rest of string( dtmf postfix ) to result.
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   150
        if ( !TakeDtmfPostfixL( input, aResult ) )
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parents:
diff changeset
   151
            {
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   152
            aResult.AddParameterL( KNullDesC );
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parents:
diff changeset
   153
            }
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   154
        }
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parents:
diff changeset
   155
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   156
    return result;
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   157
    }
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parents:
diff changeset
   158
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   159
// -----------------------------------------------------------------------------
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   160
// CPhoneGsmPhoneNumberParser::HandleServicePrefix
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   161
// 
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   162
// Checks if there is clir suppress/invoke prefix in the
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parents:
diff changeset
   163
// string. 
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   164
// -----------------------------------------------------------------------------
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   165
//
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   166
TBool CPhoneGsmPhoneNumberParser::HandleServicePrefix( 
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   167
        TLex& aLex, 
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   168
        CPhoneGsmParserResult& aResult )
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diff changeset
   169
    {
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   170
    TBool result = EFalse;
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   171
    TPtrC remainder( aLex.Remainder() );
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parents:
diff changeset
   172
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diff changeset
   173
    if ( EqualsLeft( remainder, KPhoneClirSuppress ) )
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parents:
diff changeset
   174
        {
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   175
        aLex.Inc( KPhoneClirSuppress().Length() );
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parents:
diff changeset
   176
        aResult.SetAuxInformation( KPhoneDialSuppressClir );
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   177
        result = ETrue;
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parents:
diff changeset
   178
        }
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diff changeset
   179
    else if ( EqualsLeft( remainder, KPhoneClirInvoke ) )
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parents:
diff changeset
   180
        {
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diff changeset
   181
        aLex.Inc( KPhoneClirSuppress().Length() );
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parents:
diff changeset
   182
        aResult.SetAuxInformation( KPhoneDialInvokeClir );
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diff changeset
   183
        result = ETrue;
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parents:
diff changeset
   184
        }
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parents:
diff changeset
   185
    
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diff changeset
   186
    return result;
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parents:
diff changeset
   187
    }
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parents:
diff changeset
   188
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   189
// -----------------------------------------------------------------------------
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parents:
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   190
// CPhoneGsmPhoneNumberParser::TakeNumberPartL
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parents:
diff changeset
   191
// 
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   192
// Takes a main part of the phone number. And add
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parents:
diff changeset
   193
// it to the aReturn parameter with or without optional international prefix.
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parents:
diff changeset
   194
// -----------------------------------------------------------------------------
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parents:
diff changeset
   195
//
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diff changeset
   196
TBool CPhoneGsmPhoneNumberParser::TakeNumberPartL(
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parents:
diff changeset
   197
        TLex& aLex,
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diff changeset
   198
        CPhoneGsmParserResult& aResult )
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parents:
diff changeset
   199
    {
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diff changeset
   200
    TBool result = EFalse;
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parents:
diff changeset
   201
    
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diff changeset
   202
    TLexMark start;
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parents:
diff changeset
   203
    aLex.Mark( start );
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parents:
diff changeset
   204
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diff changeset
   205
    TInt maxLength = KPhoneNumberMaxLength;
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parents:
diff changeset
   206
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parents:
diff changeset
   207
    // Checks is first char optional international prefix
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parents:
diff changeset
   208
    // and if its increments to the next char position.
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parents:
diff changeset
   209
    if ( aLex.Peek() == KPhonePlus )
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parents:
diff changeset
   210
        {
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parents:
diff changeset
   211
        aLex.Inc();
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parents:
diff changeset
   212
        maxLength++;
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parents:
diff changeset
   213
        }
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parents:
diff changeset
   214
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
    // Check possible 'p','w' or '+' marks.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
    while ( ( aLex.Peek().IsDigit() ) || 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
            ( aLex.Peek() == KPhoneNumberAsterisk ) ||
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
            ( aLex.Peek() == KPhoneNumberHash ) )
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parents:
diff changeset
   219
        {
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parents:
diff changeset
   220
        aLex.Inc();
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parents:
diff changeset
   221
        }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   223
    // Add parsing string to result parameter
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parents:
diff changeset
   224
    TPtrC mainpart( aLex.MarkedToken( start ) );
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parents:
diff changeset
   225
    const TInt length = mainpart.Length();
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parents:
diff changeset
   226
    if ( length <= maxLength )
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parents:
diff changeset
   227
        {
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diff changeset
   228
        result = ETrue;
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parents:
diff changeset
   229
        aResult.AddParameterL( mainpart );
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        }
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    return result;
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    }
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::TakeDtmfPostfixL
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// -----------------------------------------------------------------------------
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//
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TBool CPhoneGsmPhoneNumberParser::TakeDtmfPostfixL(
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        TLex& aLex,
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        CPhoneGsmParserResult& aResult )
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    {
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    // Add rest of string( after TLex16::iNext ) to result.
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    aResult.AddParameterL( aLex.Remainder() );
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    return ETrue;
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    }
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::EqualsLeft
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// -----------------------------------------------------------------------------
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//
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TBool CPhoneGsmPhoneNumberParser::EqualsLeft( 
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        const TDesC& aDesc, 
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        const TDesC& aLeft )
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    {
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    return IsPrefixOf( aDesc, aLeft );
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    }
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::ContainsPauseOrWaitChars
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// -----------------------------------------------------------------------------
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//
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TBool CPhoneGsmPhoneNumberParser::ContainsPauseOrWaitChars(
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        const TDesC& aString ) const
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    {
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    TBool result = EFalse;
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    TPtrC chs( KPhoneMustPhoneNumberChars );
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    for ( TInt index = 0; index < chs.Length(); index++ )
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        {
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        if ( aString.Locate( chs[ index ] ) != KErrNotFound )
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            {
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            result = ETrue;
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            break;
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            }
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        }
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    return result; 
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    }
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::IsHashString
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// -----------------------------------------------------------------------------
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//
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TBool CPhoneGsmPhoneNumberParser::IsHashString( 
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        const TDesC& aString ) const
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    {
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    return aString.Length() >= KPhoneHashStringMinLength &&
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        // Rightmost character must be #
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        aString.Right( 1 ) == KPhoneHashChar; 
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    }
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::IsZeroDialling
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// -----------------------------------------------------------------------------
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//
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TBool CPhoneGsmPhoneNumberParser::IsZeroDialling( 
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        const TDesC& aString, CPhoneGsmOptionContainer& aOptions ) const
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    {
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    return !aOptions.FindOptionStatus( KPhoneOptionInCall ) &&
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        !aString.Compare( KPhoneNumberZero ) && 
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        CPhoneParserFeatures::IsZeroDialEnabled(); 
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    }
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::IsTwoDigitDialling
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// -----------------------------------------------------------------------------
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//
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TBool CPhoneGsmPhoneNumberParser::IsTwoDigitDialling( 
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        const TDesC& aString ) const
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    {
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    return CPhoneParserFeatures::TwoDigitCallingEnabled() &&
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        aString.Length()== KPhoneTwoDigitStringLength;
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    }
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// -----------------------------------------------------------------------------
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// CPhoneGsmPhoneNumberParser::Is1xDialling
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// -----------------------------------------------------------------------------
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//
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TBool CPhoneGsmPhoneNumberParser::Is1xDialling( 
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    const TDesC& aString, CPhoneGsmOptionContainer& aOptions  ) const
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    {
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    return !aOptions.FindOptionStatus( KPhoneOptionInCall ) &&
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        aString.Length()== KPhoneShortStringMaxLength &&
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        aString[0] == KPhoneNumberOne &&
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        TChar( aString[1] ).IsDigit();
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    }
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   328
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//  End of File