// bsym.h

// 

// Copyright (c) 2010 Accenture. All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the "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:

// Accenture - Initial contribution

//

#ifndef FSHELL_BSYM_H

#define FSHELL_BSYM_H

#include <e32base.h>

#include <f32file.h>

#include <fshell/ioutils.h>

#include <fshell/stringhash.h>

class CDesC16Array;

namespace LtkUtils

	{

	class CMapFile;

	class CBsymFile;

	class RNode;

	NONSHARABLE_CLASS(CSymbolics) : public CBase

		{

	public:

		IMPORT_C CSymbolics(RFs& aFs);

		IMPORT_C ~CSymbolics();

		IMPORT_C void AddBsymFileL(const TDesC& aFileName);

		IMPORT_C void AddMapFileL(const TDesC& aFileName);

		IMPORT_C void AddMapFileL(CMapFile* aMapFile); // Takes ownership

		IMPORT_C void SetFallbackMapFileDirL(const TDesC& aDir);

		IMPORT_C TPtrC LookupL(TUint32 aRomAddress);

		IMPORT_C TPtrC LookupL(const TDesC& aCodeseg, TUint32 aOffset); // Need to use memaccess or similar to get codeseg name

		IMPORT_C void CompleteL(const TDesC& aCodeseg, TDes& aSymbolName, CDesC16Array& aSuggestions);

		IMPORT_C TUint32 CodesegOffsetFromSymbolNameL(const TDesC& aCodeseg, const TDesC& aSymbolName);

	private:

		CMapFile* FindOrLoadMapFileL(const TDesC& aCodeseg);

		RNode* TreeForCodesegL(const TDesC& aCodeseg);

	private:

		RFs& iFs;

		RStringHash<CMapFile*> iCodeSegHash;

		RPointerArray<CBsymFile> iBsyms;

		TFileName iFallbackMapFileDir;

		TBuf<256> iTempString;

		RNode* iTabCompleteTree;

		HBufC* iTabCompleteCodeseg;

		};

	NONSHARABLE_CLASS(CBsymFile) : public CBase

		{

	public:

		IMPORT_C static CBsymFile* NewL(RFs& aFs, const TDesC& aFileName);

		IMPORT_C ~CBsymFile();

		IMPORT_C TPtrC LookupL(TUint32 aRomAddress);

		IMPORT_C TPtrC LookupL(const TDesC& aCodesegName, TInt aOffset);

		RNode* CreateCompletionTreeL(const TDesC& aCodesegName);

	protected:

		CBsymFile();

	protected:

		RFile iFile;

		TUint iFileSize;

		TUint32 iVersion;

		TUint32 iCodesegOffset;

		TUint32 iSymbolsOffset;

		TUint32 iTokensOffset;

		};

	NONSHARABLE_CLASS(CMapFile) : public CBase

		{

	public:

		IMPORT_C static CMapFile* NewL(RFs& aFs, const TDesC& aFileName);

		IMPORT_C ~CMapFile();

		IMPORT_C void Lookup(TUint32 aOffsetInCodeSeg, TDes& aResult);

		IMPORT_C void GetFileNameL(TDes& aFileName) const;

		RNode* CreateCompletionTreeL();

	protected:

		CMapFile();

		void ConstructL(RFs& aFs, const TDesC& aFileName);

		TBool GetNextLine(TPtrC8& aPtr);

	protected:

		RFile iFile;

		RBuf8 iReadBuf;

		TInt iTextOffset;

		HBufC* iFileName;

		};

	}

#endif