// fshell.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 __SHELL_H__

#define __SHELL_H__

#include <e32base.h>

#include <fshell/iocli.h>

#include <fshell/ioutils.h>

#include "job.h"

#include "error.h"

#include "console.h"

#include <fshell/line_editor.h>

#include <fshell/iocons_writer.h>

_LIT(KScriptPath, "SCRIPT_PATH");

_LIT(KScriptName, "SCRIPT_NAME");

_LIT(KScriptLine, "SCRIPT_LINE");

_LIT(KScriptArgCount, "ARG_COUNT");

_LIT(KKeepGoing, "KEEP_GOING");

class CLineCompleter;

class CCommandFactory;

class CShell : public IoUtils::CCommandBase, public MConsoleObserver, public MLineEditorObserver, public MJobObserver, public MParserObserver

	{

public:

	static CShell* NewLC();

	~CShell();

	CCommandFactory& CommandFactory();

	void ClaimJobsLockLC();

	TInt BringJobToForeground(TInt aJobId);

	void SendJobToBackground(TInt aJobId);

	const RPointerArray<CJob>& Jobs() const;

	CJob* Job(TInt aId);

	TInt DisownJob(TInt aId);

	static HBufC* ReadScriptL(const TDesC& aScriptName, const TDesC* aArguments, IoUtils::CEnvironment& aEnv, RFs& aFs, TIoHandleSet& aIoHandles, TBool& aHelpPrinted, RPointerArray<HBufC>* aAdditionalPrefixArguments=NULL);

private:

	CShell();

	void ConstructL();

	void PrintPrompt();

	void PrintErr(TInt aError);

	void ProcessLineL(const TDesC& aLine);

	TInt NextJobId();

	CJob& ForegroundJob();

	void SetToForeground();

	static void ReleaseJobsLock(TAny* aSelf);

private: // From IoUtils::CCommandBase.

	virtual const TDesC& Name() const;

	virtual void DoRunL();

	virtual void OptionsL(RCommandOptionList& aOptions);

	virtual void ArgumentsL(RCommandArgumentList& aArguments);

	virtual void StdinChange(TUint aChange);

private: // From MConsoleObserver.

	virtual void CoHandleKey(TUint aKeyCode, TUint aModifiers);

	virtual void CoHandleError(TInt aError);

private: // From MLineEditorObserver.

	virtual void LeoHandleLine(const TDesC& aLine);

private: // From MJobObserver.

	virtual void HandleJobComplete(CJob& aJob, const TError& aError);

private: // From MParserObserver.

	virtual void HandleParserComplete(CParser& aParser, const TError& aError);

private:

	RFs iFs;

	CConsoleReader* iConsole;

	CLineEditor* iLineEditor;

	CLineCompleter* iLineCompleter;

	CCommandFactory* iCommandFactory;

	RPointerArray<CJob> iJobs;

	HBufC* iScriptData;

	CParser* iParser;

	TInt iForegroundJobId;

	TInt iNextJobId;

	TIoConsWriterAdaptor iWriterAdaptor;

	TFileName2 iScriptName;

	HBufC* iScriptArgs;

	HBufC* iOneLiner;

	TBool iKeepGoing;

	TBool iIgnoreNextStdinChange;

	RMutex iJobsLock;

	};

extern CShell* gShell;

extern TInt gExitValue;

void Log(TRefByValue<const TDesC8> aFmt, ...);

#endif // __SHELL_H__