--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingfw/wappushfw/MiscPushMsgUtils/src/CMultipartBinIterator.cpp	Wed Nov 03 22:41:46 2010 +0530
@@ -0,0 +1,162 @@
+// Copyright (c) 2003-2009 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 "cmultipartbiniterator.h"
+
+
+EXPORT_C  CMultipartBinIterator* CMultipartBinIterator::NewL(CPushMessage& aPushMessage)
+/** Allocates and creates a new binary multipart message iterator.
+
+@param aPushMessage Binary multipart message to process
+@return New binary multipart message iterator */
+	{
+	CMultipartBinIterator* self =  new (ELeave) CMultipartBinIterator(aPushMessage);
+	CleanupStack::PushL(self);
+	self->ConstructL(); 
+	CleanupStack::Pop();
+	return self;
+	}
+
+
+/**
+ * CMultipartPushMessage is a base utility class to crack out parts of a 
+ * multipart message.
+ * @param aPushMessage: A message determined to be multipart. 
+ */
+CMultipartBinIterator::CMultipartBinIterator(CPushMessage& aPushMessage) : 
+	CMultipartIteratorBase(aPushMessage)
+	{
+	}
+
+
+/**
+ * Validates & completes the construction of this class.
+ */
+void CMultipartBinIterator::ConstructL() 
+	{
+#ifdef _DEBUG
+	_LIT(KMultipartBin, "application/vnd.wap.multipart.");
+	TPtrC contentType;
+	iPushMessage.GetContentType(contentType);
+	__ASSERT_DEBUG( contentType.Find(KMultipartBin) == 0 , User::Panic(KPushInvalidContentType,0));
+#endif
+	
+	TPtrC8 msgBody;
+	if (!iPushMessage.GetMessageBody(msgBody))
+		User::Leave(KErrNotFound);
+	
+	// get the nEntries field from the start of the binary multipart
+	TWapBinCodex::ExtractUIntvarL(msgBody, 0, iMultiNumEntries);
+		
+	if (iMultiNumEntries.iValue == 0) // No multiparts
+		User::Leave(KErrCorrupt);
+
+		
+	// move the iterator to start off after the multipart header
+	iCurrentPartStart = iMultiNumEntries.iOctetSize;		
+	}
+
+
+EXPORT_C TBool CMultipartBinIterator::NextL()
+/** Moves the iterator to the next message part.
+
+@return ETrue if there is a next part, EFalse otherwise */
+	{
+	if (++iCurrentPart >= iMultiNumEntries.iValue)
+		return EFalse;
+
+	TWapBinCodex::TUintvar hdrSize, bodySize;
+		
+	TPtrC8 msgBody;
+	if (!iPushMessage.GetMessageBody(msgBody))
+		return EFalse;
+
+	// Get the header size
+	TWapBinCodex::ExtractUIntvarL(msgBody, iCurrentPartStart,  hdrSize);
+
+	// move index over the header size data
+	iCurrentPartStart += hdrSize.iOctetSize;
+
+	// Get the body size
+	TWapBinCodex::ExtractUIntvarL(msgBody, iCurrentPartStart, bodySize);
+
+	// move index over the body size data
+	iCurrentPartStart += bodySize.iOctetSize;
+
+	// move index over the part data
+	iCurrentPartStart += (hdrSize.iValue + bodySize.iValue);
+
+	return ETrue;
+	}
+
+EXPORT_C void CMultipartBinIterator::FirstL()
+/** Resets the iterator the beginning of the first part of the message. */
+	{
+	iCurrentPartStart = iMultiNumEntries.iOctetSize;	
+	iCurrentPart = 0;
+	}
+
+EXPORT_C CPushMessage* CMultipartBinIterator::PartL()
+/** Gets the message part currently referenced by the iterator.
+
+@return Message part 
+@leave KErrCorrupt The message is too short
+@leave KErrNotFound Will leave if message body is empty
+@leave TDesC8::AllocLC
+@leave CPushMessage::NewL
+*/
+	{
+	__ASSERT_DEBUG( iCurrentPart < iMultiNumEntries.iValue, User::Panic(KPushPartIndexOutOfRange,0));
+
+	TPtrC8 msgBody;
+	if (!iPushMessage.GetMessageBody(msgBody))
+		User::Leave(KErrNotFound);
+
+	// iCurrentPartStart is pointing to beginning of the message 
+	// index will be used to get past the message headers
+	TUint index = iCurrentPartStart;
+
+	// Move over the headers
+	TWapBinCodex::TUintvar hdrSize, bodySize;
+	TWapBinCodex::ExtractUIntvarL(msgBody, index,  hdrSize);
+	index += hdrSize.iOctetSize;
+	TWapBinCodex::ExtractUIntvarL(msgBody, index, bodySize);
+	index += bodySize.iOctetSize;
+
+	// Now get the data
+	TUint len = msgBody.Length();
+
+	// validate that we have as much data as HEADER indicates
+	if ( hdrSize.iValue < 0 || // No negative indices
+		(len < (index + hdrSize.iValue)))	
+		User::Leave(KErrCorrupt);
+
+	// Get the Header
+	HBufC8* header = msgBody.Mid(index, hdrSize.iValue).AllocLC();
+	index += hdrSize.iValue;
+		
+	// validate that we have as much data as BODY indicates 
+	if ( bodySize.iValue < 0 || // No negative indices
+		(len < (index + bodySize.iValue)))	
+		User::Leave(KErrCorrupt);
+
+	// Get the Body
+	HBufC8* body = msgBody.Mid(index, bodySize.iValue).AllocLC();
+		
+	CPushMessage* pm = CPushMessage::NewL( header,  body);
+	CleanupStack::Pop(2, header);  // body, header
+	return pm;
+	}
+