// Copyright (c) 2000-2009 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 "wappushmsggen.h"+
−
+
−
_LIT8(KXmlVersion, "<?xml version=\"1.0\"?>\r\n");+
−
_LIT8(KBadXmlVersion, "<?xml version=\"2.0\"?>\r\n");  // Unsupported XML version+
−
_LIT8(KSiStart, "<!DOCTYPE si PUBLIC \"-//WAPFORUM//DTD SI 1.0//EN\"\r\n\"http://www.wapforum.org/DTD/si.dtd\">\r\n<si>\r\n<indication ");+
−
_LIT8(KSiEnd, "</indication>\r\n</si>\r\n");+
−
_LIT8(KSlStart, "<!DOCTYPE sl PUBLIC \"-//WAPFORUM//DTD SL 1.0//EN\"\r\n\"http://www.wapforum.org/DTD/sl.dtd\">\r\n<sl ");+
−
_LIT8(KSlEnd, ">\r\n</sl>\r\n");+
−
+
−
// Valid XML tags and data+
−
_LIT8(KHRefField, "href=\"");+
−
_LIT8(KSiIdField, "si-id=\"");+
−
_LIT8(KSiCreatedField, "created=\"");+
−
_LIT8(KSiExpiresField, "si-expires=\"");+
−
_LIT8(KActionField, "action=\"");+
−
+
−
+
−
//Invalid XML tags & data +
−
_LIT8(KBadHRefField, "hreg=\"");+
−
_LIT8(KBadSiIdField, "si-eyed=\"");+
−
_LIT8(KBadSiCreatedField, "crated=\"");+
−
_LIT8(KBadSiExpiresField, "si-xpires=\"");+
−
_LIT8(KBadActionField, "adtion=\"");+
−
+
−
+
−
_LIT8(KCrLf, "\r\n");+
−
_LIT8(KDoubleQuote,"\"");+
−
+
−
/** amount used to lengthen the buffer when appending data to it that would otherwise overflow it+
−
*/+
−
const TInt KMsgBufferSegmentLength=256;+
−
+
−
/** public constructor */+
−
CWapPushMsgGen* CWapPushMsgGen::NewL()+
−
	{+
−
	CWapPushMsgGen* thisptr = new(ELeave) CWapPushMsgGen();+
−
	return thisptr;+
−
	}+
−
+
−
+
−
/** destructor */+
−
CWapPushMsgGen::~CWapPushMsgGen()+
−
	{+
−
	delete iMsgBuffer;+
−
	delete iMsgFieldBuffer;+
−
	}+
−
	+
−
+
−
/** appends a field to the end of the current message being generated+
−
 @param aField	The type of field to be set+
−
 @param aFieldValue The value of the field to be set. This should not +
−
 include CR/LF at the end for fields included in " "+
−
 @leave HBufC8::NewL+
−
 @leave HBufC8::ReAllocL+
−
 @return void+
−
*/+
−
void CWapPushMsgGen::AppendFieldL(TMsgField aFieldType, const TDesC8& aFieldValue)+
−
	{+
−
	if (!iMsgFieldBuffer)+
−
		iMsgFieldBuffer=HBufC8::NewL(KMsgBufferSegmentLength);+
−
+
−
	switch (aFieldType)+
−
		{+
−
	case EHRef:+
−
		AppendMsgFieldDesL(KHRefField);+
−
		break;+
−
	case EServiceIndicationID:+
−
		AppendMsgFieldDesL(KSiIdField);+
−
		break;+
−
	case EServiceIndicationCreated:+
−
		AppendMsgFieldDesL(KSiCreatedField);+
−
		break;+
−
	case EServiceIndicationExpires:+
−
		AppendMsgFieldDesL(KSiExpiresField);+
−
		break;+
−
	case EServiceIndicationText:+
−
		{+
−
		_LIT8(KEndIndication,">\r\n");+
−
		AppendMsgFieldDesL(KEndIndication);+
−
		}+
−
		break;+
−
	case EAction:+
−
		AppendMsgFieldDesL(KActionField);+
−
		break;+
−
+
−
	case EBadHRef:+
−
		AppendMsgFieldDesL(KBadHRefField);+
−
		break;+
−
	case EBadServiceIndicationID:+
−
		AppendMsgFieldDesL(KBadSiIdField);+
−
		break;+
−
	case EBadServiceIndicationCreated:+
−
		AppendMsgFieldDesL(KBadSiCreatedField);+
−
		break;+
−
	case EBadServiceIndicationExpires:+
−
		AppendMsgFieldDesL(KBadSiExpiresField);+
−
		break;+
−
	case EBadAction:+
−
		AppendMsgFieldDesL(KBadActionField);+
−
		break;+
−
	case EXMLNoFieldStr:+
−
	case EWBXMLNoFieldStr:+
−
		//Present so that can create an empty body using the msg Gen+
−
		break;+
−
	default:+
−
		Panic(EInvalidPushMessageField);+
−
		}+
−
+
−
	AppendMsgFieldDesL(aFieldValue);+
−
	//if (iMsgType != EServiceIndicationText)+
−
	if (aFieldType != EServiceIndicationText  && aFieldType != EXMLNoFieldStr  +
−
						&& aFieldType != EWBXMLNoFieldStr)+
−
		AppendMsgFieldDesL(KDoubleQuote);+
−
	if (aFieldType!= EWBXMLNoFieldStr)+
−
		AppendMsgFieldDesL(KCrLf);+
−
	}+
−
+
−
+
−
/** closes the current message and returns the whole generated message+
−
 @return returns a dynamic descriptor that is on the cleanup stack+
−
 @leave HBufC8::NewLC +
−
*/	+
−
HBufC8* CWapPushMsgGen::CreateMsgLC()+
−
	{+
−
	TInt size = (*iMsgBuffer).Length() + (*iMsgFieldBuffer).Length();+
−
	switch(iMsgType)+
−
		{+
−
	case EServiceIndication:+
−
		size+= KSiEnd().Length();+
−
		break;+
−
	case EServiceLoad:+
−
		size+=KSlEnd().Length();+
−
		break;+
−
	case ECorruptMsgTest:+
−
	case ECorruptXmlVersionTest:+
−
	case EEmptyMsgBody:+
−
		// No action - don't add anything extra to the body+
−
		break;+
−
	default:+
−
		Panic(EInvalidPushMessageType);+
−
		};+
−
+
−
	HBufC8* finalMsg=HBufC8::NewLC(size);+
−
	TPtr8 finalMsgPtr = finalMsg->Des();+
−
	finalMsgPtr.Append(*iMsgBuffer);+
−
	finalMsgPtr.Append(*iMsgFieldBuffer);+
−
+
−
	switch(iMsgType)+
−
		{+
−
	case EServiceIndication:+
−
		finalMsgPtr.Append(KSiEnd);+
−
		break;+
−
	case EServiceLoad:+
−
		finalMsgPtr.Append(KSlEnd);+
−
		break;+
−
	case ECorruptMsgTest:+
−
	case ECorruptXmlVersionTest:+
−
	case EEmptyMsgBody:+
−
		// Do nothing  - leave body as is+
−
		break;+
−
	default:+
−
		Panic(EInvalidPushMessageType);+
−
		}+
−
	return finalMsg;+
−
}+
−
+
−
+
−
/** starts a new message +
−
 This starts a new message by clearing the current one. It then appends the+
−
 header for the type of message being generated+
−
+
−
  @param aMsgType an enum of type TMsgType specifing the type of message to be generated+
−
*/	+
−
void CWapPushMsgGen::StartNewMsgL(TMsgType aMsgType)+
−
	{+
−
	delete iMsgBuffer;+
−
	iMsgBuffer = NULL;+
−
	delete iMsgFieldBuffer;+
−
	iMsgFieldBuffer = NULL;+
−
	iMsgType = aMsgType;+
−
	iMsgBuffer = HBufC8::NewL(KMsgBufferSegmentLength);+
−
+
−
	+
−
	switch (iMsgType)+
−
		{+
−
	case EServiceIndication:+
−
		AppendMsgDesL(KXmlVersion);+
−
		AppendMsgDesL(KSiStart);+
−
		break;+
−
	case EServiceLoad:+
−
		AppendMsgDesL(KXmlVersion);+
−
		AppendMsgDesL(KSlStart);+
−
		break;+
−
	case ECorruptMsgTest:+
−
		AppendMsgDesL(KXmlVersion);+
−
		break;+
−
	case ECorruptXmlVersionTest:+
−
		AppendMsgDesL(KBadXmlVersion);+
−
		break;+
−
	case EEmptyMsgBody:+
−
		// do nothing - all we want is a Null Descriptor+
−
		break;+
−
	default:+
−
		Panic(EInvalidPushMessageType);+
−
		}+
−
	}+
−
+
−
+
−
/** used to append a descriptor to the current message buffer+
−
 @param aDes, the descriptor to be added to the message buffer+
−
*/+
−
void CWapPushMsgGen::AppendMsgDesL(const TDesC8& aDes)+
−
	{+
−
	TInt maxLength = iMsgBuffer->Des().MaxLength();+
−
	if (maxLength < aDes.Length() + (*iMsgBuffer).Length())+
−
		{+
−
		TInt newMaxLength = maxLength;+
−
		newMaxLength += aDes.Length() > KMsgBufferSegmentLength? aDes.Length() : KMsgBufferSegmentLength;+
−
		iMsgBuffer = iMsgBuffer->ReAllocL(newMaxLength);+
−
		}+
−
	iMsgBuffer->Des().Append(aDes);+
−
	}+
−
+
−
+
−
/**  used to append a descriptor to the current message field buffer +
−
 @param aDes, the descriptor to be added to the message buffer+
−
*/+
−
void CWapPushMsgGen::AppendMsgFieldDesL(const TDesC8& aDes)+
−
	{+
−
	TInt maxLength = iMsgFieldBuffer->Des().MaxLength();+
−
	if (maxLength < aDes.Length() + (*iMsgFieldBuffer).Length())+
−
		{+
−
		TInt newMaxLength = maxLength;+
−
		newMaxLength += aDes.Length() > KMsgBufferSegmentLength? aDes.Length() : KMsgBufferSegmentLength;+
−
		iMsgFieldBuffer = iMsgFieldBuffer->ReAllocL(newMaxLength);+
−
		}+
−
	iMsgFieldBuffer->Des().Append(aDes);+
−
	}+
−
+
−
/** Panic function+
−
*/+
−
void CWapPushMsgGen::Panic(TWapPushMsgGenPanic aPanicCode)+
−
	{+
−
	_LIT(KWapPushMsgGenName,"PushMsgGen");+
−
	User::Panic(KWapPushMsgGenName, aPanicCode);+
−
	}+
−