// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).+
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// All rights reserved.+
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// This component and the accompanying materials are made available+
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// under the terms of "Eclipse Public License v1.0"+
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// which accompanies this distribution, and is available+
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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//+
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// Initial Contributors:+
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// Nokia Corporation - initial contribution.+
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//+
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// Contributors:+
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//+
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// Description:+
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//+
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+
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#ifndef __CLWSPPDUHANDLER_H__+
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#define __CLWSPPDUHANDLER_H__+
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#include <e32std.h>+
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#include <wapmessage.h>+
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+
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+
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/** +
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The connectionless WSP PDU type definition.+
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@internalComponent+
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*/+
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enum TWSPPduType+
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	{+
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	/** the Reply PDU type assignment +
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	*/+
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	EReply			=0x04,+
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	/** the Push PDU type assignment +
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	*/+
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	EPush			=0x06,+
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	/** the Get PDU type assignment +
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	*/+
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	EGet			=0x40,+
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	/** the GetOption PDU type assignment +
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	*/+
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	EGetOptions		=0x41,+
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	/** the Gethead PDU type assignment +
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	*/+
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	EGetHead		=0x42,+
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	/** the GetDelete PDU type assignment +
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	*/+
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	EGetDelete		=0x43,+
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	/** the GetTrace PDU type assignment +
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	*/+
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	EGetTrace		=0x44,+
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	/** the Post PDU type assignment +
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	*/+
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	EPost			=0x60,+
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	/** the PostPut PDU type assignment +
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	*/+
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	EPostPut		=0x61+
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	};+
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+
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+
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	/** +
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	The offset of the transactionID field in WSP PDU.+
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	@internalComponent+
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	 */+
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	const TUint KPDUHeaderTransactionIDOffSet	=0;+
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	/** +
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	The offset of the WSP PDU type field in WSP PDU.+
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	@internalComponent+
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	 */+
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	const TUint KPDUHeaderWSPPDUTypeOffSet		=1;+
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	/** +
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	The offset of WSP field.+
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	@internalComponent+
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	*/+
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	const TUint KPDUFieldOffset					=2;+
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+
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	/** +
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	The length of transactionID+PDUType+
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	@internalComponent+
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	*/+
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	const TUint8 KPDUTransactionIDAndPDUTypeLength	=2;+
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	/** +
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	The length of WSP status+
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	@internalComponent+
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	*/+
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	const TUint8 KWSPStatusLength					=1;+
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+
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	/**+
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	The mask of top 3 bits in varible length Unsigned integer+
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	@internalComponent+
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	*/+
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	const TUint8 KTop3BitSet		= 0x70;+
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+
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	/**+
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	The mask to valide each byte in varible length Unsigned integer+
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	@internalComponent+
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	*/+
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	const TUint8 KWapQuote			= 0x7F;+
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+
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	/**+
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	The mask of carry bit in each byte in varible length Unsigned integer+
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	@internalComponent+
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	*/+
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	const TUint8 KCarryBitMask		= 0x80;+
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+
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	/**+
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	Maximum length for varible length Unsigned integer+
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	@internalComponent+
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	*/+
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	const TUint8 KMaxUintVarLength	= 5;+
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+
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	/**+
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	shift 7 bits for each byte in Uint32+
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	@internalComponent+
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	*/+
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	const TUint8 KUIntVarOctetShift	= 7;+
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+
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+
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+
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class CCLWSPPduHandler+
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/** +
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The Connectionless WSP PDU Handler. This class provides a set of static interfaces +
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for WAP message APIs to pack and unpack the WSP PDU.   +
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For error codes returned by methods in this class, see <wapmsgerr.h>.  Most methods can +
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return a set of general errors, with some returning additional specific errors.+
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*/+
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	{+
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public: +
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+
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+
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+
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public: // Public Interfaces+
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	static void UnpackWSPPduL(HBufC8* aWSPPdu, TWSPPduType& aType, HBufC8*& aWSPHeader, HBufC8*& aBody, TUint8& aId, TWSPStatus& aStatus);+
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	static void PackWSPPduL(HBufC8*& aWSPPdu, TWSPPduType aType, const TDesC& aURI, const TDesC8& aWSPHeader, const TDesC8& aBody, const TUint8 aId);+
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+
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private: // private methods+
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	static void UnpackPushPduL(HBufC8* aWSPPdu, HBufC8*& aWSPHeader, HBufC8*& aBody);+
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	static void UnpackReplyPduL(HBufC8* aWSPPdu, HBufC8*& aWSPHeader, HBufC8*& aBody, TWSPStatus& aStatus);+
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	static void PackPostPduL(HBufC8*& aWSPPdu, TWSPPduType aType, const TDesC& aURI, const TDesC8& aWSPHeader, const TDesC8& aBody, const TUint8 aId);+
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	static void PackGetPduL(HBufC8*& aWSPPdu, TWSPPduType aType, const TDesC& aURI, const TDesC8& aWSPHeader, const TUint8 aId);+
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	static TInt UintVar(TUint32& aVal, TPtrC8& aBuffer, TUint aOffset);+
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	static HBufC8* UintVarL(const TUint32 aInt);+
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	};+
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#endif // __CLWSPPDUHANDLER_H__+
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