--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/voipplugins/svtlogging/src/csvtsipuriparser.cpp	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,370 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  
+*
+*/
+
+
+#include "csvtsipuriparser.h"
+#include "svtphonenumbervalidator.h"
+
+_LIT( KColon, ":");
+_LIT( KAtSign, "@");
+_LIT( KLeftElbow, "<" );
+_LIT( KRightElbow, ">" );
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::CSvtSipUriParser
+// ---------------------------------------------------------------------------
+//
+CSvtSipUriParser::CSvtSipUriParser( TDomainPartClippingSetting aOptions )
+    :
+    iOptions( aOptions )
+    {
+
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::ConstructL
+// ---------------------------------------------------------------------------
+//
+void CSvtSipUriParser::ConstructL( const TDesC& aSipUri )
+    {
+    ParseSipUriL( aSipUri );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::NewL
+// ---------------------------------------------------------------------------
+//
+CSvtSipUriParser* CSvtSipUriParser::NewL( const TDesC& aSipUri,
+        TDomainPartClippingSetting aOptions )
+    {
+    CSvtSipUriParser* self = CSvtSipUriParser::NewLC( aSipUri, aOptions );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::NewLC
+// ---------------------------------------------------------------------------
+//
+CSvtSipUriParser* CSvtSipUriParser::NewLC( const TDesC& aSipUri,
+        TDomainPartClippingSetting aOptions )
+    {
+    CSvtSipUriParser* self = new( ELeave ) CSvtSipUriParser( aOptions );
+    CleanupStack::PushL( self );
+    self->ConstructL( aSipUri );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::~CSvtSipUriParser
+// ---------------------------------------------------------------------------
+//
+CSvtSipUriParser::~CSvtSipUriParser()
+    {
+    iUserName.Close();
+    iDomain.Close();
+    iDisplayName.Close();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::GetVoipAddress
+// ---------------------------------------------------------------------------
+//
+TInt CSvtSipUriParser::GetVoipAddress( RBuf& aVoipAddress ) const
+    {
+    aVoipAddress = KNullDesC();
+    
+    if ( IsAnonymousUri( iUserName ) )
+        {
+        return KErrNone;
+        }
+    
+    TInt result( KErrNone );
+    TInt addressLength = AddressLength( iUserName, iDomain, iOptions );
+    if ( aVoipAddress.MaxLength() < addressLength )
+        {
+        result = aVoipAddress.ReAlloc( addressLength );
+        }
+    
+    if ( KErrNone == result )
+        {
+        aVoipAddress.Append( iUserName );
+        
+        if ( iUserName.Length() < addressLength )
+            {
+            // domain part clipping isn't used
+            aVoipAddress.Append( KAtSign() );
+            aVoipAddress.Append( iDomain );
+            }
+        }
+    
+    return result;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::GetPhoneNumber
+// ---------------------------------------------------------------------------
+//
+TInt CSvtSipUriParser::GetPhoneNumber( RBuf& aPhoneNumber ) const
+    {
+    aPhoneNumber = KNullDesC();
+    
+    TInt result( KErrNone );
+    if ( SvtPhoneNumberValidator::IsValidNumber( iUserName ) 
+            && ( ENoClipping != iOptions ) )
+        {
+        if ( aPhoneNumber.MaxLength() < iUserName.Length() )
+            {
+            result = aPhoneNumber.ReAlloc( iUserName.Length() );
+            }
+        
+        if ( KErrNone == result )
+            {
+            aPhoneNumber.Append( iUserName );
+            }        
+        }
+    
+    return result;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::GetDisplayName
+// ---------------------------------------------------------------------------
+//
+TInt CSvtSipUriParser::GetDisplayName( RBuf& aDisplayName ) const
+    {
+    aDisplayName = KNullDesC();
+    
+    TInt result( KErrNone );
+    if ( aDisplayName.MaxLength() < iDisplayName.Length() )
+        {
+        result = aDisplayName.ReAlloc( iDisplayName.Length() );
+        }
+    
+    if ( KErrNone == result )
+        {
+        aDisplayName = iDisplayName;
+        }
+    
+    return result;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::ParseSipUriL
+// Accepted URI forms are: [schema:]user@host[:port] and 
+// displayname <[schema:]user@host[:port]>. URI parameters and headers are 
+// ripped off in MCE & SVP.
+// ---------------------------------------------------------------------------
+//
+void CSvtSipUriParser::ParseSipUriL( const TDesC& aSipUri )
+    {
+    if ( IsAnonymousUri( aSipUri ) )
+        {
+        ParsePrivateAddress();
+        }
+    else
+        {
+        RBuf sipUri( aSipUri.AllocL() );
+        CleanupClosePushL( sipUri );
+        
+        // remove trailing and leading white spaces from input uri
+        sipUri.TrimAll();
+        ParseDisplayNameL( sipUri );
+        RemoveElbows( sipUri );
+        ParseUserNameL( sipUri );
+        ParseDomainL( sipUri );
+        
+        CleanupStack::PopAndDestroy( &sipUri );
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::ParseDisplayNameL
+// ---------------------------------------------------------------------------
+//
+void CSvtSipUriParser::ParseDisplayNameL( const TDesC& aSipUri )
+    {
+    iDisplayName.Close();
+    
+    TInt leftElbowIndex = aSipUri.Find( KLeftElbow );
+    TInt rightElbowIndex = aSipUri.Find( KRightElbow );
+    if ( ( 0 < leftElbowIndex ) && ( KErrNotFound != rightElbowIndex ) )
+        {
+        // display name is available
+        iDisplayName.Assign( aSipUri.Left( leftElbowIndex ).AllocL() );
+        
+        // remove whitespace around display name
+        iDisplayName.TrimAll();
+        
+        // remove quatation marks around display name
+        _LIT( KQuatationMark, "\"");
+        if ( iDisplayName.Length() && iDisplayName[0] == '"' )
+            {
+            iDisplayName.Delete( 0, KQuatationMark().Length() );
+            }
+        
+        if ( iDisplayName.Length() 
+                && iDisplayName[iDisplayName.Length() - 1] == '"')
+            {
+            iDisplayName.Delete( 
+                iDisplayName.Length() - 1, KQuatationMark().Length() );
+            }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::RemoveElbows
+// ---------------------------------------------------------------------------
+//
+void CSvtSipUriParser::RemoveElbows( TDes& sipUri ) const
+    {
+    TInt leftElbowIndex = sipUri.Find( KLeftElbow );
+    if ( KErrNotFound != leftElbowIndex )
+        {
+        sipUri.Delete( leftElbowIndex, KLeftElbow().Length() );
+        }
+    
+    TInt rightElbowIndex = sipUri.Find( KRightElbow );
+    if ( KErrNotFound != rightElbowIndex )
+        {
+        sipUri.Delete( rightElbowIndex, KRightElbow().Length() );
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::ParseUserNameL
+// ---------------------------------------------------------------------------
+//
+void CSvtSipUriParser::ParseUserNameL( const TDesC& aSipUri )
+    {
+    // If uri does not specify schema, user name starts from the beginning of
+    // the uri. Otherwise additional calculations are done.
+    TInt userNameStartInd = 0;
+    TInt indexOfColon = aSipUri.Find( KColon() );
+    if ( KErrNotFound != indexOfColon )
+        {
+        userNameStartInd = aSipUri.Find( KColon() ) + KColon().Length();
+        __ASSERT_ALWAYS( KColon().Length() <= userNameStartInd, 
+            User::Leave( KErrArgument ) );
+        }
+    
+    TInt userNameEndInd = aSipUri.Find( KAtSign() ) - KAtSign().Length();
+    __ASSERT_ALWAYS( 0 <= userNameEndInd, User::Leave( KErrArgument ) );
+    
+    TInt userNameLength = ( userNameEndInd - userNameStartInd ) + 1;
+    __ASSERT_ALWAYS( 0 < userNameLength, User::Leave( KErrArgument ) );
+    
+    iUserName.Close();
+    iUserName.Assign( aSipUri.Mid( userNameStartInd, userNameLength ).AllocL() );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::ParseDomainL
+// ---------------------------------------------------------------------------
+//
+void CSvtSipUriParser::ParseDomainL( const TDesC& aSipUri )
+    {
+    TInt hostNameStartInd = aSipUri.Find( KAtSign() ) + KAtSign().Length();
+    __ASSERT_ALWAYS( KAtSign().Length() <= hostNameStartInd, 
+        User::Leave( KErrArgument ) );
+    
+    TInt hostNameEndInd = aSipUri.Length() - 1;
+    TInt hostNameLength = ( hostNameEndInd - hostNameStartInd ) + 1;
+    __ASSERT_ALWAYS( 0 < hostNameLength, User::Leave( KErrArgument ) );
+    
+    iDomain.Close();
+    iDomain.Assign( aSipUri.Mid( hostNameStartInd, hostNameLength ).AllocL() );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::ParsePrivateAddress
+// ---------------------------------------------------------------------------
+//
+void CSvtSipUriParser::ParsePrivateAddress()
+    {
+    iUserName.Close();
+    iUserName = KNullDesC();
+    
+    iDomain.Close();
+    iDomain = KNullDesC();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::AddressLength
+// ---------------------------------------------------------------------------
+//
+TInt CSvtSipUriParser::AddressLength( const TDesC& aUserName, 
+        const TDesC& aDomain, TDomainPartClippingSetting aClipSetting ) const
+    {
+    TInt addressLength( 0 );
+    TBool isPhoneNumber( SvtPhoneNumberValidator::IsValidNumber( aUserName ) );
+    switch ( aClipSetting )
+        {
+        case ENoClipping:
+            addressLength = 
+            aUserName.Length() + KAtSign().Length() + aDomain.Length();
+            break;
+        
+        case EClipDomainIfNumber:
+            addressLength = isPhoneNumber 
+                ? aUserName.Length() 
+                : aUserName.Length() + KAtSign().Length() + aDomain.Length();
+            break;
+        
+        case EClipDomain:
+            addressLength = aUserName.Length();
+            break;
+        
+        default:
+            ASSERT( EFalse );
+        }
+    
+    return addressLength;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSvtSipUriParser::IsAnonymousUri
+// ---------------------------------------------------------------------------
+//
+TBool CSvtSipUriParser::IsAnonymousUri( const TDesC& aCandidate ) const
+    {
+    if ( aCandidate.Length() == 0 )
+        {
+        return ETrue;
+        }
+    else
+        {
+        return EFalse;
+        }
+    }