// 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:

//

#ifndef CONTENTHANDLERS_H

#define CONTENTHANDLERS_H

#include <xml/contenthandler.h>

class RFile;

namespace Xml

{

class TRebuildingContentHandler : public MContentHandler

	{

public:

	TRebuildingContentHandler(RFile& aOut);

	// From MContentHandler

	void OnStartDocumentL(const RDocumentParameters& aDocParam, TInt aErrorCode);

	void OnEndDocumentL(TInt aErrorCode);

	void OnStartElementL(const RTagInfo& aElement, const RAttributeArray& aAttributes, TInt aErrorCode);

	void OnEndElementL(const RTagInfo& aElement, TInt aErrorCode);

	void OnContentL(const TDesC8& aBytes, TInt aErrorCode);

	void OnStartPrefixMappingL(const RString& aPrefix, const RString& aUri, TInt aErrorCode);

	void OnEndPrefixMappingL(const RString& aPrefix, TInt aErrorCode);

	void OnIgnorableWhiteSpaceL(const TDesC8& aBytes, TInt aErrorCode);

	void OnSkippedEntityL(const RString& aName, TInt aErrorCode) ;

	void OnProcessingInstructionL(const TDesC8& aTarget, const TDesC8& aData, TInt aErrorCode);

	void OnExtensionL(const RString& aData, TInt aToken, TInt aErrorCode);

	void OnError(TInt aErrorCode);

	TAny* GetExtendedInterface(const TInt32 aUid);

public:

	TInt iError;

private:

	RFile& iOutFile;

	};

class TSimpleContentHandler : public MContentHandler

	{

public:

	TSimpleContentHandler();

	// From MContentHandler

	void OnStartDocumentL(const RDocumentParameters& aDocParam, TInt aErrorCode);

	void OnEndDocumentL(TInt aErrorCode);

	void OnStartElementL(const RTagInfo& aElement, const RAttributeArray& aAttributes, TInt aErrorCode);

	void OnEndElementL(const RTagInfo& aElement, TInt aErrorCode);

	void OnContentL(const TDesC8& aBytes, TInt aErrorCode);

	void OnStartPrefixMappingL(const RString& aPrefix, const RString& aUri, TInt aErrorCode);

	void OnEndPrefixMappingL(const RString& aPrefix, TInt aErrorCode);

	void OnIgnorableWhiteSpaceL(const TDesC8& aBytes, TInt aErrorCode);

	void OnSkippedEntityL(const RString& aName, TInt aErrorCode) ;

	void OnProcessingInstructionL(const TDesC8& aTarget, const TDesC8& aData, TInt aErrorCode);

	void OnExtensionL(const RString& aData, TInt aToken, TInt aErrorCode);

	void OnOutOfData();

	void OnError(TInt aErrorCode);

	TAny* GetExtendedInterface(const TInt32 aUid);

public:

	static const TInt KExpectedLeaveCode;

public:

	TBool iLeaveOnStartElement;

	TInt iNumElements;

	TInt iNumSkippedEntities;

	TInt iNumPrefixMappings;

	TInt iNumPrefixUnmappings;

	TInt iError;

	};

class TNamespaceContentHandler : public TSimpleContentHandler

	{

public:

	TNamespaceContentHandler(const TDesC8& aDefaultUri, const TDesC8& aElementPrefix, const TDesC8& aElementUri, 

		const TDesC8& aAttributePrefix, const TDesC8& aAttributeUri);

	// From MContentHandler

	void OnStartElementL(const RTagInfo& aElement, const RAttributeArray& aAttributes, TInt aErrorCode);

	void OnEndElementL(const RTagInfo& aElement, TInt aErrorCode);

	void OnStartPrefixMappingL(const RString& aPrefix, const RString& aUri, TInt aErrorCode);

	void OnEndPrefixMappingL(const RString& aPrefix, TInt aErrorCode);

private:

	const TDesC8& iDefaultUri;

	const TDesC8& iElementPrefix;

	const TDesC8& iElementUri;

	const TDesC8& iAttributePrefix;

	const TDesC8& iAttributeUri;

	enum { KNothingMapped, KDefaultNsMapped, KElementNsMapped, KAttributeNsMapped } iState;

	};

class TCapsContentHandler : public TSimpleContentHandler

	{

public:

	// From MContentHandler

	void OnStartElementL(const RTagInfo& aElement, const RAttributeArray& aAttributes, TInt aErrorCode);

	};

}

#endif // CONTENTHANDLERS_H