--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneplugins/csplugin/src/tcspskypeidparser.cpp Fri Mar 19 09:28:42 2010 +0200
@@ -0,0 +1,105 @@
+/*
+* Copyright (c) 2007 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: Parses Skype id from UUI message.
+*
+*/
+
+
+#include "tcspskypeidparser.h"
+
+const TInt KMinSkypeIdUUILength = 3;
+const TInt KMaxSkypeIdUUILength = 33;
+const TInt KMaxSkypeIdLength = 32;
+const TInt KStartOf31To32EncodingByte = 26;
+const TInt KUUIMTDicriminator = 0x44;
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+TCSPSkypeIdParser::TCSPSkypeIdParser()
+ {
+ }
+
+// ---------------------------------------------------------------------------
+// Creates buffer to be used by client with parse method.
+// ---------------------------------------------------------------------------
+//
+HBufC* TCSPSkypeIdParser::CreateSkypeIdBufferL()
+ {
+ return HBufC::NewL( KMaxSkypeIdLength );
+ }
+
+// ---------------------------------------------------------------------------
+// Parses skype id.
+// SkypeID format:
+// byte 0: Protocol discriminator: Always 0x00
+// byte 1: User-User Information Discriminator.
+// For MT call this has to be 0x44
+// Byte 2: First skype id character a.k.a payload. MSB bit is zero.
+// Byte 26-33 May have MSB bit set, which are bits of the last character.
+// The 26 byte's MSB is the last characters MSB bit.
+// ---------------------------------------------------------------------------
+//
+TInt TCSPSkypeIdParser::Parse(
+ const TDesC& aUUIMessage,
+ TDes& aSkypeId )
+ {
+ const TInt messageLength( aUUIMessage.Length() );
+ TInt error = KErrNone;
+
+ const TBool messageSizeOk = (messageLength >= KMinSkypeIdUUILength &&
+ messageLength <= KMaxSkypeIdUUILength);
+
+ if( messageSizeOk &&
+ ( aUUIMessage[1] ) == KUUIMTDicriminator ) // address type
+ {
+
+ TUint lastChar = 0;
+
+ // skypeId payload starts from the second byte.
+ TInt i = 2;
+ for( ; i < messageLength; i++ )
+ {
+ TUint byte = aUUIMessage[i];
+ if( i >= KStartOf31To32EncodingByte )
+ {
+ // 31 to 32 encoding: last character is build from
+ // 7 last bytes.
+ lastChar = lastChar << 1;
+ lastChar |= (byte>>7)&0x01;
+ }
+ // MSB bit is not part of the character.
+ aSkypeId.Append( byte & 0x7F );
+
+
+ }
+
+ // Append the last char only if the aUUIMessage size was the maximum and there
+ // is content in the last char.
+ if( messageLength == KMaxSkypeIdUUILength && lastChar != 0 )
+ {
+ aSkypeId.Append(lastChar);
+ }
+
+ }
+ else
+ {
+ error = KErrNotSupported;
+ }
+
+ return error;
+ }