// line_completer.h

// 

// Copyright (c) 2006 - 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 __LINE_COMPLETER_H__

#define __LINE_COMPLETER_H__

#include <e32base.h>

#include <fshell/line_editor.h>

class RFs;

class TToken;

class TConsoleLine;

class CLexer;

class CTextBuffer;

class CCommandFactory;

namespace IoUtils

	{

	class CCommandInfoFile;

	}

class CLineCompleter : public CBase, public MLineCompleter

	{

public:

	static CLineCompleter* NewL(RFs& aFs, CCommandFactory& aCommandFactory, IoUtils::CEnvironment& aEnv);

	~CLineCompleter();

private: // From MLineCompleter.

	virtual void LcCompleteLineL(TConsoleLine& aLine, const TChar& aEscapeChar);

private:

	CLineCompleter(RFs& aFs, CCommandFactory& aCommandFactory, IoUtils::CEnvironment& aEnv);

	void ConstructL();

	void CompleteCommandNameL(TConsoleLine& aLine, const TToken& aToken, const TChar& aEscapeChar) const;

	void CompleteFileNameL(TConsoleLine& aLine, const TToken& aToken, const TChar& aEscapeChar) const;

	void CompleteL(TConsoleLine& aLine, const TToken& aToken, const RArray<TPtrC> aPossibilities, const TDesC* aPrefix, const TDesC* aSuffix, TBool aPrefixIsPartOfToken=EFalse) const;

	void CompleteEnvVarL(TConsoleLine& aLine, const TToken& aToken, const TChar& aEscapeChar) const;

	void CompleteOptionL(TConsoleLine& aLine, const TToken& aToken, const TChar& aEscapeChar) const;

private:

	RFs& iFs;

	CCommandFactory& iCommandFactory;

	IoUtils::CEnvironment& iEnv;

	CLexer* iLexer;

	IoUtils::CCommandInfoFile* iLastUsedCif;

	};

#endif // __LINE_COMPLETER_H__