1 // mainfshell.cpp

     2 // 

     3 // Copyright (c) 2009 - 2010 Accenture. All rights reserved.

     4 // This component and the accompanying materials are made available

     5 // under the terms of the "Eclipse Public License v1.0"

     6 // which accompanies this distribution, and is available

     7 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 // 

     9 // Initial Contributors:

    10 // Accenture - Initial contribution

    11 //

    12 #include <fshell/ioutils.h>

    13 #include "fed.h"

    14 #include <e32cons.h>

    15 #include <BADESCA.H>

    16 #include <fshell/descriptorutils.h>

    17 

    18 using namespace IoUtils;

    19 

    20 class CCmdFed : public CCommandBase

    21 	{

    22 public:

    23 	static CCommandBase* NewLC();

    24 	~CCmdFed();

    25 	CConsoleBase* Console() { return iConsole; }

    26 	TInt TabWidth() const { return iTabWidth; }

    27 	void ShowHelpL();

    28 private:

    29 	CCmdFed();

    30 

    31 private: // From CCommandBase.

    32 	virtual const TDesC& Name() const;

    33 	virtual void DoRunL();

    34 	virtual void ArgumentsL(RCommandArgumentList& aArguments);

    35 	virtual void OptionsL(RCommandOptionList& aOptions);

    36 	virtual void StdinChange(TUint aChange);

    37 private:

    38 	RArray<TFileName2> iFiles;

    39 	CColorConsoleBase* iConsole;

    40 	CFed* iFed;

    41 	TInt iTabWidth;

    42 	};

    43 

    44 CCmdFed* gCmd = NULL; // Only used for the assertion handler and tab fns

    45 

    46 CCommandBase* CCmdFed::NewLC()

    47 	{

    48 	CCmdFed* self = new(ELeave) CCmdFed();

    49 	CleanupStack::PushL(self);

    50 	self->BaseConstructL();

    51 	return self;

    52 	}

    53 

    54 CCmdFed::~CCmdFed()

    55 	{

    56 	iFiles.Close();

    57 	delete iFed;

    58 	delete iConsole;

    59 	}

    60 

    61 CCmdFed::CCmdFed()

    62 	: CCommandBase(EManualComplete | ENotifyStdinChanges), iTabWidth(4)

    63 	{

    64 	}

    65 

    66 const TDesC& CCmdFed::Name() const

    67 	{

    68 	_LIT(KName, "fed");	

    69 	return KName;

    70 	}

    71 

    72 void CCmdFed::ArgumentsL(RCommandArgumentList& aArguments)

    73 	{

    74 	aArguments.AppendFileNameL(iFiles, _L("file"));

    75 	}

    76 

    77 void CCmdFed::OptionsL(RCommandOptionList& aOptions)

    78 	{

    79 	aOptions.AppendIntL(iTabWidth, _L("tab-width"));

    80 	}

    81 

    82 EXE_BOILER_PLATE(CCmdFed)

    83 

    84 void CCmdFed::DoRunL()

    85 	{

    86 	iConsole = GetColorConsoleBaseL();

    87 	gCmd = this;

    88 

    89 	// Set the console title - nice for when using win32cons

    90 	// Not so nice - fshell doesn't reset it when fed exits... -TomS

    91 	/*

    92 	_LIT(KFed, "fed ");

    93 	RBuf cmdLine;

    94 	cmdLine.CreateL(User::CommandLineLength() + KFed().Length());

    95 	User::CommandLine(cmdLine);

    96 	cmdLine.Insert(0, KFed);

    97 	iConsole->SetTitle(cmdLine);

    98 	cmdLine.Close();

    99 	*/

   100 

   101 	// Capture CTRL-C so we can (a) use it and (b) prevent users from accidentally nuking their work

   102 	User::LeaveIfError(Stdin().CaptureKey(CTRL('c'), 0, 0));

   103 

   104 	iFed = CFed::NewL(*iConsole, FsL());

   105 	CDesC16ArrayFlat* argsBuf = new(ELeave) CDesC16ArrayFlat(Max(1, iFiles.Count()));

   106 	CleanupStack::PushL(argsBuf);

   107 	for (TInt i = 0; i < iFiles.Count(); i++)

   108 		{

   109 		argsBuf->AppendL(iFiles[i]);

   110 		}

   111 	CleanupStack::Pop(argsBuf);

   112 	iFed->StartL(argsBuf);

   113 	}

   114 

   115 void CCmdFed::StdinChange(TUint aChange)

   116 	{

   117 	if (aChange & RIoReadHandle::EGainedForeground)

   118 		{

   119 		iFed->RedrawEverythingL();

   120 		}

   121 	}

   122 

   123 void AssertionFail(const char* aAssertion, const char* aFile, TInt aLine)

   124 	{

   125 	__DEBUGGER();

   126 	TBuf8<256> buf;

   127 	TOverflowTruncate8 o;

   128 	buf.AppendFormat(_L8("Assertion failed: \"%s\" in %s:%i\n"), &o, aAssertion, aFile, aLine);

   129 	if (buf.Length()*2>buf.MaxLength()) buf.SetLength(buf.MaxLength()/2);

   130 	gCmd->Console()->Write(buf.Expand());

   131 	User::Panic(_L("Fed"), aLine);

   132 	}

   133 

   134 TInt KConsoleWidthCorrection = 0;

   135 TInt KConsoleHeightCorrection = 0;

   136 

   137 TInt TabWidth()

   138 	{

   139 	return gCmd->TabWidth();

   140 	}

   141 

   142 void ShowHelpL()

   143 	{

   144 	gCmd->ShowHelpL();

   145 	}

   146 

   147 void CCmdFed::ShowHelpL()

   148 	{

   149 	LtkUtils::RLtkBuf helpText;

   150 	CleanupClosePushL(helpText);

   151 	helpText.AppendL(_L("\

   152 Fed Help\r\n\

   153 ========\

   154 "));

   155 	_LIT(KStart, "Console text editor.");

   156 	CTextBuffer* helpBuf = const_cast<CTextBuffer*>(GetHelpTextL()); // nasty cast... GetHelpTextL shouldn't return a const obj...

   157 	CleanupStack::PushL(helpBuf);

   158 	TInt found = helpBuf->Descriptor().Find(KStart);

   159 	helpText.AppendL(helpBuf->Descriptor().Mid(found + KStart().Length()));

   160 	iFed->ShowHelpL(helpText.ToHBuf());

   161 	CleanupStack::PopAndDestroy(2, &helpText); // helpBuf, helpText

   162 	}