// cat.h

// 

// Copyright (c) 2005 - 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

//

#include <fshell/ioutils.h>

#include "file_reader.h"

#include "character_converter.h"

#include <fshell/descriptorutils.h>

using namespace IoUtils;

class CCmdCat : public CCommandBase, public MFileReaderObserver

	{

public:

	static CCommandBase* NewLC();

	~CCmdCat();

private:

	CCmdCat();

	void ConstructL();

	void ReadNextFile();

	void RemoveCurrentFileName();

	void WriteChunkToConsoleL(const TDesC8& aData, TReadType aType);

private: // From CCommandBase.

	virtual const TDesC& Name() const;

	virtual void DoRunL();

	virtual void OptionsL(RCommandOptionList& aOptions);

	virtual void ArgumentsL(RCommandArgumentList& aArguments);

private: // From MFileReaderObserver.

	virtual CCommandBase& Command();

	virtual void HandleFileData(const TDesC8& aData, TReadType aType, TBool& aContinue);

	virtual void HandleFileReadError(TInt aError);

private:

	RArray<TFileName2> iFiles;

	CCharacterConverter* iCharacterConverter;

	CFileReader* iFileReader;

	TBool iForce;

	TBool iBinary;

	LtkUtils::RLtkBuf16 iBuf16;

	enum TEncoding

		{

		EAuto,

		EBinary,

		EUtf8,

		ELatin1,

		ELtkUtf8,

		};

	TEncoding iEncoding;

	TInt iBlockSize;

	};