/*

* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 "ARRAY.H"  

#include "ASTRING.H"

class RCBinaryStream;

class ResourceDataStream;

class LinkItem : public ArrayItem

	{

public:

	LinkItem(ResourceDataStream& aStream,const String& aResourceName,const String& aFileName,int aLineNumber);

	virtual void OverwriteLink(RCBinaryStream& os) const=0;

	virtual ostream& StreamOut(ostream& os)=0;

public:

	String iResourceName;	// Name of resource to which link points.

	unsigned long iStreamPosition;

	String iFileName;

	int iLineNumber;

	};

class LinkArray : public Array

	{

	friend ostream& operator<<(ostream& os,LinkArray& o);

public:

	LinkArray();

	~LinkArray();

	void Add(LinkItem* aNewItem);

	void OverwriteLinks ( RCBinaryStream & os ) const;

private:

	static int iInUse;	// Only one instance of this class may exist at a time.

	};

class WordLink : public LinkItem

	{

public:

	WordLink(ResourceDataStream& aStream,const String& aResourceName,const String& aFileName,int aLineNumber);

	virtual void OverwriteLink(RCBinaryStream& os) const;

	virtual ostream& StreamOut(ostream& os);

	static int NumberOfBytesOccupiesInStream();

	};

class LongLink : public LinkItem

	{

public:

	LongLink(ResourceDataStream& aStream,const String& aResourceName,const String& aFileName,int aLineNumber);

	virtual void OverwriteLink(RCBinaryStream& os) const;

	virtual ostream& StreamOut(ostream& os);

	static int NumberOfBytesOccupiesInStream();

	};

class LinkArrayIterator : public ArrayIterator

	{

public:

	LinkArrayIterator(const LinkArray& aArray);

	LinkItem* operator()();

	};