/*

* Copyright (c) 1995-2009 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: 

*

*/

#ifndef __R_ROMNODE_H__

#define __R_ROMNODE_H__

#include <fstream>

#include <e32std.h>

#include "rofs.h"

#include "e32image.h"

#include "h_utl.h"

const TUint KOverrideStack = 0x01;

const TUint KOverrideHeapMin = 0x02;

const TUint KOverrideHeapMax = 0x04;

const TUint KOverrideRelocationAddress = 0x08;

const TUint KOverrideUid1 = 0x10;

const TUint KOverrideUid2 = 0x20;

const TUint KOverrideUid3 = 0x40;

const TUint KOverrideCallEntryPoint = 0x80;

const TUint KOverrideNoCallEntryPoint = 0x100;

const TUint KOverridePriority = 0x200;

const TUint KOverrideStackReserve = 0x400;

const TUint KOverrideKeepIAT = 0x800;

const TUint KOverrideCapability = 0x1000;

const TUint KOverrideFixed = 0x2000;

const TUint KOverrideDllData  = 0x4000;

const TUint KOverrideCodeUnpaged = 0x8000;

const TUint KOverrideCodePaged = 0x10000;

const TUint KOverrideDataUnpaged = 0x20000;

const TUint KOverrideDataPaged = 0x40000;

enum ECompression{

	ECompressionUnknown=0,

	ECompressionCompress=1,

	ECompressionUncompress=2

};

const TInt KFileHidden = 0xFFFFFFFF;

class TRomBuilderEntry;

class RomFileStructure;

class TRomNode

	{

public:

	TRomNode(const char* aName, TRomBuilderEntry* aEntry = 0);

	~TRomNode();

	void Destroy();

	static inline TRomNode* FirstNode() { return TheFirstNode; };

	inline TRomNode* NextNode() { return iNextNode; };

	inline void SetNextNode(TRomNode* aNode) { iNextNode = aNode; };

	inline TRomNode* Currentchild() const { return iChild; };

	inline TRomNode* Currentsibling() const { return iSibling; };

	void DisplayStructure(ostream* aOut);

	TRomNode* FindInDirectory(const char *aName) const;

	void AddFile(TRomNode *aChild);

	TRomNode* NewSubDir(const char *aName);

	TInt SetAtt(char *anAttWord);

	TInt SetAttExtra(char *anAttWord, TRomBuilderEntry* aFile, enum EKeyword aKeyword);

	inline void SetStackSize(TInt aValue);

	inline void SetHeapSizeMin(TInt aValue);

	inline void SetHeapSizeMax(TInt aValue);

	inline void SetCapability(SCapabilitySet& aCapability);

	inline void SetUid1(TInt aValue);

	inline void SetUid2(TInt aValue);

	inline void SetUid3(TInt aValue);

	inline void SetPriority(TProcessPriority aValue);

	inline void SetFixed();

	inline void SetDllData();

	TBool IsDirectory() const { return 0 == iEntry; };

	TBool IsFile() const { return 0!=iEntry; };

	TInt CalculateDirectoryEntrySize( TInt& aDirectoryBlockSize,

										    TInt& aFileBlockSize );

	TInt CountFileAndDir(TInt& aFileCount, TInt& aDirCount);

	TInt PlaceFile( TUint8* &aDest, TUint aOffset, TUint aMaxSize, CBytePair *aBPE );

	TInt Place( TUint8* aDestBase ); 

	TInt NameCpy(char* aDest, TUint8& aUnicodeLength );

	TInt NameLengthUnicode() const;

	void Rename(TRomNode *aOldParent, TRomNode* aNewParent, const char* aNewName);

	TRofsEntry* RofsEntry() const { return iRofsEntry; };

	void SetRofsEntry(TRofsEntry* aEntry);

	inline void SetImagePosition( TInt aPosition ) { iImagePosition = aPosition; };

	inline void SetFileBlockPosition( TInt aPosition ) { iFileBlockPosition = aPosition; };

	void AddNodeForSameFile(TRomNode* aPreviousNode, TRomBuilderEntry* aFile);

	void CountDirectory(TInt& aFileCount, TInt& aDirCount);

	TInt ProcessDirectory(RomFileStructure* aRFS);

	TRomNode* CopyDirectory(TRomNode*& aLastExecutable);

	void Alias(TRomNode* aNode);

	static void deleteTheFirstNode();

	static void displayFlatList();

	TInt FullNameLength(TBool aIgnoreHiddenAttrib = EFalse) const;

	TInt GetFullName(char* aBuf, TBool aIgnoreHiddenAttrib = EFalse) const;

	static void InitializeCount();

	// Accessor Function.

private:

	void Remove(TRomNode* aChild);

	void Add(TRomNode* aChild);

	void Clone(TRomNode* aOriginal);

	TInt CalculateEntrySize() const;

private:	

	static TInt Count;			// seed for unique identifiers

	// Flat linked list of TRomNode structures

	static TRomNode*	TheFirstNode;

	static TRomNode*	TheLastNode;

	TRomNode* iNextNode;

	TRomNode* iParent;

	TRomNode* iSibling;

	TRomNode* iChild;

	TRomNode* iNextNodeForSameFile;

protected:

	TInt iIdentifier;

	TRofsEntry* iRofsEntry;		// in ROM image buffer

	TInt	iTotalDirectoryBlockSize;	// calculated size of directory block

	TInt	iTotalFileBlockSize;		// calculated size of file block

	TInt iImagePosition;		// position of directory entry in image

	TInt iFileBlockPosition;	// position of directory file block in image

	friend class FileEntry;

public:

	char* iName;

	TUint8 iAtt;

	TUint8 iAttExtra;

	TBool iHidden;

	TRomBuilderEntry* iEntry;		// represents file data

	TUint	iFileStartOffset;		// position in image of start of file

	TInt iSize;			        // size of associated file

	// Override values

	TInt iStackSize;

	TInt iHeapSizeMin;

	TInt iHeapSizeMax;

	SCapabilitySet iCapability;

	TInt iUid1;

	TInt iUid2;

	TInt iUid3;

	TProcessPriority iPriority;

	TInt iOverride;

	TBool iFileUpdate;

  bool iAlias;

  // for a ROM image, all the files have a default read-only attribute, but in data drive, files's default attribute should be 0 

	static TUint8 sDefaultInitialAttr ;

	};

class DllDataEntry;

class TRomBuilderEntry

	{

public:

	TRomBuilderEntry(const char *aFileName, const char *aName);

	~TRomBuilderEntry();

	void SetRomNode(TRomNode* aNode);

	TRofsEntry* RofsEntry() const {return iRomNode->RofsEntry(); };

	TInt PlaceFile( TUint8* &aDest, TUint aMaxSize, CBytePair *aBPE );

	inline TInt RealFileSize() const { return iRealFileSize; };

	inline void SetRealFileSize(TInt aFileSize) { iRealFileSize=aFileSize;};

	void DisplaySize(TPrintType aWhere);

private:

	TRomBuilderEntry();

	TRomBuilderEntry(const TRomBuilderEntry&);

	const TRomBuilderEntry& operator==(const TRomBuilderEntry &);

	DllDataEntry* iFirstDllDataEntry;

public:

	char *iName;

	char *iFileName;

	TRomBuilderEntry* iNext;

	TRomBuilderEntry* iNextInArea;

	TBool iExecutable;

	TBool iFileOffset; // offset of the file in ROM

	TUint iCompressEnabled;

	TUint8 iUids[sizeof(TCheckedUid)];

	TBool iHidden;

  	DllDataEntry* GetFirstDllDataEntry() const;

	void SetFirstDllDataEntry(DllDataEntry *aDllDataEntry);

private:

	TRomNode *iRomNode;

	TInt	iRealFileSize;	

	};

inline void TRomNode::SetStackSize(TInt aValue)

	{

	iStackSize = aValue;

	iOverride |= KOverrideStack;

	}

inline void TRomNode::SetHeapSizeMin(TInt aValue)

	{

	iHeapSizeMin = aValue;

	iOverride |= KOverrideHeapMin;

	}

inline void TRomNode::SetHeapSizeMax(TInt aValue)

	{

	iHeapSizeMax = aValue;

	iOverride |= KOverrideHeapMax;

	}

inline void TRomNode::SetCapability(SCapabilitySet& aCapability)

	{

	iCapability = aCapability;

	iOverride |= KOverrideCapability;

	}

inline void TRomNode::SetUid1(TInt aValue)

	{

	iUid1 = aValue;

	iOverride |= KOverrideUid1;

	}

inline void TRomNode::SetUid2(TInt aValue)

	{

	iUid2 = aValue;

	iOverride |= KOverrideUid2;

	}

inline void TRomNode::SetUid3(TInt aValue)

	{

	iUid3 = aValue;

	iOverride |= KOverrideUid3;

	}

inline void TRomNode::SetPriority(TProcessPriority aValue)

	{

	iPriority = aValue;

	iOverride |= KOverridePriority;

	}

inline void TRomNode::SetFixed()

	{

	iOverride |= KOverrideFixed;

	}

inline void TRomNode::SetDllData()

{

	iOverride |= KOverrideDllData;

}

#endif