--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zeroconf/dnsparser/src/cdnsmsgbuf.cpp	Thu Jun 24 19:09:47 2010 +0530
@@ -0,0 +1,166 @@
+/*
+* Copyright (c) 2009 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 "cdnsmsgbuf.h"
+	
+	
+CDnsMsgBuf::CDnsMsgBuf(const TDesC8& aBuf):iDataLength(aBuf.Size())
+	{	
+	}
+
+CDnsMsgBuf* CDnsMsgBuf::NewL(const TDesC8& aBuf)
+	{
+	CDnsMsgBuf* self =  new (ELeave) CDnsMsgBuf(aBuf);	
+	CleanupStack::PushL(self);
+	self->ConstructL(aBuf);
+	CleanupStack::Pop(self);
+	return self;
+	}	
+		
+CDnsMsgBuf::~CDnsMsgBuf()
+	{	
+	}
+		
+void CDnsMsgBuf::ConstructL(const TDesC8& aBuf)
+	{
+	iPtr = (TUint8*)aBuf.Ptr();
+	iIndex = 0;
+	}
+	
+void CDnsMsgBuf::SetChar(TUint8 aVal)
+	{
+	*(iPtr+iIndex) = aVal;
+	iIndex += sizeof(TUint8);		
+	}
+		
+void CDnsMsgBuf::SetInt16(TUint16 aVal)
+	{
+    BigEndian::Put16(iPtr + iIndex, aVal);
+    iIndex += sizeof(TUint16);
+	}
+		
+void CDnsMsgBuf::SetInt32(TUint32 aVal)
+	{
+	BigEndian::Put32(iPtr + iIndex, aVal);
+	iIndex += sizeof(TUint32);		
+	}
+
+void CDnsMsgBuf::SetDomainNameL(const TDesC8& aName)
+	{	
+	RBuf8 name;
+    if(aName.LocateReverse('.')== aName.Length()-1)
+        {
+        name.Create(aName.Left(aName.Length()-1));
+        }
+    else 
+        {
+        name.Create(aName);
+        }
+	CStringParser* strParser =  CStringParser::NewL (name);
+	CleanupStack::PushL ( strParser );
+	TPtrC8 token;
+	TChar ch = '.';
+	TUint8 len = 0;
+	while(1)
+		{
+		TBool result = strParser->ParseTill(token,ch);
+		len = token.Size();
+		SetChar(len);
+		for(TInt i = 0; i< len; i++)
+			{
+			SetChar(token.Ptr()[i]);
+			}
+		strParser->SkipLength(1);
+		if(!result)
+			break;
+		}
+	
+	// append a zero at the end
+	SetChar(NULL);
+	CleanupStack::PopAndDestroy ( strParser );
+	name.Close();
+	}
+
+void CDnsMsgBuf::SetText(const TDesC8& aTxt)
+	{
+	TUint8 len = 0;
+    len = aTxt.Size();
+	SetChar(len);
+	for(TInt i=0; i<len; i++)
+		{
+		SetChar(aTxt.Ptr()[i]);
+		}
+	}
+	
+void CDnsMsgBuf::SetPtrRdLengthL(const TDesC8& aName)
+	{
+	TUint16 len = GetDomainLengthL(aName);
+	SetInt16(len);
+	}
+    
+void CDnsMsgBuf::SetSrvRdLengthL(const TDesC8& aName)
+	{
+	TUint16 len = GetDomainLengthL(aName);
+	len += 6;  //sizeof(prio+weight+port)
+	SetInt16(len);
+	}		
+
+void CDnsMsgBuf::SetTxtRdLength(const RArray<RBuf8>& aTxtList)
+	{
+	TUint16 len = 0;	
+	TInt count = aTxtList.Count();
+	for (TInt i=0; i< count; i++)
+		{
+		len++;
+		len += aTxtList[i].Size();  
+		}
+	SetInt16(len);
+	}
+ 
+TUint16 CDnsMsgBuf::GetDomainLengthL(const TDesC8& aName)const
+	{
+    RBuf8 name;
+    if(aName.LocateReverse('.')== aName.Length()-1)
+        {
+        name.Create(aName.Left(aName.Length()-1));
+        }
+    else 
+        {
+        name.Create(aName);
+        }
+	
+	CStringParser* strParser =  CStringParser::NewL (name);
+	CleanupStack::PushL ( strParser );
+	TPtrC8 token;
+	TChar ch = '.';
+	TUint16 len = 0;	
+	while(1)
+		{
+		TBool result = strParser->ParseTill(token,ch);
+		len++;
+		len += token.Size();  
+		strParser->SkipLength(1);
+		if(!result)
+			break;
+		}		
+	len++;   //0 length octet appended at the end
+	CleanupStack::PopAndDestroy ( strParser );
+	name.Close();
+	return len;
+	}		
+