mmlibs/mmfw/Recogniser/src/others.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 31 Mar 2010 23:56:23 +0300
branchRCL_3
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// Copyright (c) 2006-2009 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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#include "parsers.h"
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//
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// This file format is treated differently from all the others in that if the
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// file extension is not recognised then the file is not recognised.
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// Only once the extension is recognised does it try to match any header data.
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//
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void TRAMParser::DoRecognise(const TDesC& aFileExt, CReader& aReader, TMatch& aMatch)
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	{
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	TBool extMatch = (aFileExt.MatchF(TPtrC(KExtRAM)) != KErrNotFound);
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	if (extMatch)
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		{
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		aMatch.iMime = KMimeRAM;
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		TPtrC8 header = MAKE_TPtrC8(KSigRAM);
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		if (aReader.Match(header))
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			{
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			aMatch.iConfidence = KConfProbable;
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			}
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		else
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			{
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			aMatch.iConfidence = KConfPossible;
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			}
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		}
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	}
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//
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// SDP and XPS have almost identical header signatures, so when it comes to
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// recognise an SDP file with a bad extension, it can be incorrectly identified
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// as an XPS file.
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//
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void TSDPParser::DoRecognise(const TDesC& aFileExt, CReader& aReader, TMatch& aMatch)
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	{
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	TBool extMatch = (aFileExt.MatchF(TPtrC(KExtSDP)) != KErrNotFound);
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	if (extMatch)
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		{
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		aMatch.iMime = KMimeSDP;
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		TPtrC8 header = MAKE_TPtrC8(KSigSDP);
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		if (aReader.Match(header))
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			{
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			aMatch.iConfidence = KConfProbable;
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			}
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		else
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			{
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			aMatch.iConfidence = KConfPossible;
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			}
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		}
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	}
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//
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// See TSDPParser::DoRecognise comment.
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//
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void TXPSParser::DoRecognise(const TDesC& aFileExt, CReader& aReader, TMatch& aMatch)
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	{
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	TBool extMatch = (aFileExt.MatchF(TPtrC(KExtXPS)) != KErrNotFound);
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	if (extMatch)
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		{
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		aMatch.iMime = KMimeXPS;
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		TPtrC8 header = MAKE_TPtrC8(KSigXPS);
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		if (aReader.Match(header))
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			{
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			aMatch.iConfidence = KConfProbable;
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			}
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		else
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			{
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			aMatch.iConfidence = KConfPossible;
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			}
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		}
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	}
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