author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Sat, 20 Feb 2010 00:10:51 +0200 | |
branch | RCL_3 |
changeset 19 | 4a8fed1c0ef6 |
parent 6 | 0173bcd7697c |
child 42 | a179b74831c9 |
permissions | -rw-r--r-- |
0 | 1 |
// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// f32\etshell\ts_edshl.cpp |
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// CLineEdit and CShell code |
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// |
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// |
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#include <e32hal.h> |
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#include "ts_std.h" |
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#include "ts_clicomp.h" |
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#include "cleanuputils.h" |
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||
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CLineEdit* CShell::TheEditor; |
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CFileMan* CShell::TheFileMan; |
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TBuf<KMaxFileName> CShell::currentPath; |
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RFs CShell::TheFs; |
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CConsoleBase* CShell::TheConsole; |
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CCliCompleter* CShell::TheCliCompleter; |
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class CFileManObserver : public MFileManObserver |
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{ |
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TControl NotifyFileManEnded(); |
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}; |
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MFileManObserver::TControl CFileManObserver::NotifyFileManEnded() |
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// |
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// Print out what CFileMan is doing |
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// |
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{ |
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TInt err=CShell::TheFileMan->GetLastError(); |
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TFileName srcfile; |
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CShell::TheFileMan->GetCurrentSource(srcfile); |
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if (err!=KErrNone) |
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{ |
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if(err == KErrNotReady) |
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{ |
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FOREVER |
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{ |
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CShell::TheConsole->Printf(_L("Not ready - Retry? [y/n]\n")); |
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TChar key = CShell::TheConsole->Getch(); |
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key.UpperCase(); |
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if(key == 'Y') |
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{ |
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return(MFileManObserver::ERetry); |
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} |
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if(key == 'N') |
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{ |
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return(MFileManObserver::EAbort); |
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} |
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} |
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} |
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else |
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{ |
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CShell::TheConsole->Printf(_L("Error %d\n"),err); |
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} |
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} |
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else |
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{ |
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switch (CShell::TheFileMan->CurrentAction()) |
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{ |
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case CFileMan::ECopy: |
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CShell::TheConsole->Printf(_L("Copied %S\n"),&srcfile); |
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break; |
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case CFileMan::EAttribs: |
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CShell::TheConsole->Printf(_L("Setting Attributes for %S\n"),&srcfile); |
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break; |
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case CFileMan::EDelete: |
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CShell::TheConsole->Printf(_L("Deleted %S\n"),&srcfile); |
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break; |
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case CFileMan::EMove: |
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CShell::TheConsole->Printf(_L("Moved %S\n"),&srcfile); |
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break; |
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case CFileMan::ERename: |
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CShell::TheConsole->Printf(_L("Renamed %S\n"),&srcfile); |
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break; |
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case CFileMan::ERmDir: |
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CShell::TheConsole->Printf(_L("RmDir deleted %S\n"),&srcfile); |
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break; |
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default: |
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CShell::TheConsole->Printf(_L("Unknown action %S\n"),&srcfile); |
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break; |
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} |
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} |
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return(MFileManObserver::EContinue); |
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} |
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||
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LOCAL_C TInt charToDrive(TChar aChar,TInt& aDrive) |
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// |
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// Convert the drive character to a drive index. |
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// |
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{ |
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TInt r=RFs::CharToDrive(aChar,aDrive); |
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return(r); |
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} |
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CLineEdit::CLineEdit() |
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// |
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// Constructor |
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// |
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{ |
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} |
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CLineEdit::~CLineEdit() |
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// |
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// Destroy the line editor |
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// |
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{ |
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||
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if (iHistory) |
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{ |
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TInt count=iHistory->Count(); |
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while (count--) |
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User::Free((*iHistory)[count]); |
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delete iHistory; |
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} |
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} |
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CLineEdit* CLineEdit::NewL(CConsoleBase* aConsole,TInt aMaxHistory) |
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// |
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// Create a new line editor |
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// |
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{ |
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CLineEdit* pE=new(ELeave) CLineEdit; |
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CleanupStack::PushL(pE); |
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pE->iHistory=new(ELeave) CArrayFixFlat<HBufC*>(aMaxHistory+2); |
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pE->iConsole=aConsole; |
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pE->iMaxHistory=aMaxHistory; |
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pE->iWidth=CShell::TheConsole->ScreenSize().iWidth; |
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pE->iHeight=CShell::TheConsole->ScreenSize().iHeight; |
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// !E32WindowServer Text Shell Console has frame |
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// of 2 characters each vertically and horizontally. |
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// !Windowserver Shell Console does not. |
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// Assume no Frame is present ! |
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TFindServer findServer; |
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TFullName wsName; |
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TInt err = KErrNone; |
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pE->iFrameSizeChar=TSize(0,0); |
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// Find: !E32WindowServer is running? |
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while (err=findServer.Next(wsName), err==KErrNone) |
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{ |
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if(err=wsName.FindF(KE32WindowServer), err!=KErrNotFound) |
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{ |
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// E32WindowServer is running. |
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// Frame is present ! Frame Size is (2,2) ! |
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pE->iFrameSizeChar=TSize(2,2); |
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break; |
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} |
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} |
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CleanupStack::Pop(); |
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return(pE); |
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} |
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||
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TInt CLineEdit::Lines() |
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// |
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// The number of lines being edited. |
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// |
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{ |
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TInt nL=1; |
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if (Buf().Length()>=iWidth-iFrameSizeChar.iWidth-iOrigin) |
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nL+=(Buf().Length()+iOrigin)/(iWidth-iFrameSizeChar.iWidth); |
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return(nL); |
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} |
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||
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TPoint CLineEdit::Where() |
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// |
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// Return the real cursor position. |
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// |
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{ |
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if (iPos>=(iWidth-iFrameSizeChar.iWidth-iOrigin)) |
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return(TPoint((iPos+iOrigin)%(iWidth-iFrameSizeChar.iWidth),((iPos+iOrigin)/(iWidth-iFrameSizeChar.iWidth))+iLine)); |
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return(TPoint(iPos+iOrigin,iLine)); |
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} |
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void CLineEdit::ClearLine() |
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// |
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// Clears the line being edited. |
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// |
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{ |
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if (Buf().Length()) |
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{ |
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TInt nL=Lines(); |
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while (nL--) |
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{ |
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iConsole->SetPos(nL ? 0 : iOrigin,iLine+nL); |
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iConsole->ClearToEndOfLine(); |
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} |
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Buf().Zero(); |
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iPos=0; |
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} |
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} |
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void CLineEdit::ClearLast(TInt aCnt) |
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// |
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// Clears the last aCnt characters. |
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// |
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{ |
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TInt aPos=iPos; |
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iPos=((TInt)Buf().Length())-aCnt; |
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while (iPos<((TInt)Buf().Length())) |
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{ |
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TPoint p=Where(); |
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iConsole->SetCursorPosAbs(p); |
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iConsole->ClearToEndOfLine(); |
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iPos+=(iWidth-p.iX); |
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} |
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iPos=aPos; |
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} |
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void CLineEdit::Recall() |
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// |
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// Recall a line for editing. |
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// |
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{ |
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if (iRecall!=(-1)) |
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{ |
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ClearLine(); |
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HBufC* pL=(*iHistory)[iRecall]; |
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Buf()=(*pL); |
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iConsole->Write(Buf()); |
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iPos=Buf().Length(); |
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TInt nL=Lines(); |
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if ((iLine+nL)>iHeight) |
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iLine -= iLine + nL - iHeight; |
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} |
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} |
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TInt CLineEdit::WordLeft() |
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// |
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// Position the cursor to the next word left. |
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// |
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{ |
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TInt x=iPos-1; |
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while (x && TChar(Buf()[x]).IsSpace()) |
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x--; |
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while (x && TChar(Buf()[x]).IsGraph()) |
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x--; |
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if (TChar(Buf()[x]).IsSpace()) |
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x++; |
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return(x); |
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} |
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TInt CLineEdit::WordRight() |
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// |
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// Position the cursor to the next word right. |
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// |
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{ |
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TInt x=iPos; |
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while (x<(TInt)Buf().Length() && TChar(Buf()[x]).IsGraph()) |
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x++; |
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while (x<(TInt)Buf().Length() && TChar(Buf()[x]).IsSpace()) |
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x++; |
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return(x); |
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} |
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void CLineEdit::Cursor() |
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// |
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// Position the cursor. |
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// |
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{ |
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iConsole->SetCursorPosAbs(Where()); |
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} |
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void CLineEdit::Refresh() |
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// |
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// Refresh the line. |
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// |
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{ |
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iConsole->SetCursorHeight(ECursorNone); |
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iConsole->SetPos(iOrigin,iLine); |
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iConsole->Write(Buf()); |
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Cursor(); |
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iConsole->SetCursorHeight(iMode==EEditOverWrite ? ECursorNormal : ECursorInsert); |
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} |
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TLineEditAction CLineEdit::Edit(const TDesC& aPrompt, TDes* aBuf, TBool aNewLine) |
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// |
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// Start the editor or a single key fetch. |
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// |
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{ |
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iBuf = aBuf; |
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if(aNewLine) |
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{ |
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iMode = EEditInsert; |
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iConsole->Write(aPrompt); |
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iConsole->SetCursorHeight(iMode == EEditOverWrite ? ECursorNormal : ECursorInsert); |
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iOrigin = iConsole->WhereX(); |
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iLine = iConsole->WhereY(); |
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} |
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if(iBuf->Length() == 0) |
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{ |
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iPos = 0; |
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} |
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Refresh(); |
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iRecall = (-1); |
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TInt hCount = iHistory->Count(); |
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330 |
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if (hCount > iMaxHistory) |
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{ |
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hCount = iMaxHistory; |
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} |
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||
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FOREVER |
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{ |
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TChar gChar = iConsole->Getch(); |
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switch (gChar) |
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{ |
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case EKeyEscape: |
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ClearLine(); |
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iRecall=(-1); |
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break; |
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case EKeyHome: |
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iPos=0; |
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Cursor(); |
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break; |
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case EKeyLeftArrow: |
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if (iPos) |
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{ |
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if(iConsole->KeyModifiers()==EModifierCtrl) |
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iPos=WordLeft(); |
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else |
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iPos--; |
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Cursor(); |
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} |
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break; |
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case EKeyRightArrow: |
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if (iPos<((TInt)Buf().Length())) |
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{ |
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363 |
if(iConsole->KeyModifiers()==EModifierCtrl) |
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iPos=WordRight(); |
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else |
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366 |
iPos++; |
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Cursor(); |
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368 |
} |
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369 |
break; |
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370 |
case EKeyEnd: |
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371 |
iPos=((TInt)Buf().Length()); |
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372 |
Cursor(); |
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373 |
break; |
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374 |
case EKeyPageUp: |
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375 |
if (hCount==0) |
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376 |
break; |
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377 |
iRecall=hCount-1; |
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378 |
Recall(); |
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379 |
break; |
|
380 |
case EKeyUpArrow: |
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381 |
if (iRecall==(-1)) // Beginning of history |
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382 |
{ |
|
383 |
if (hCount==0) |
|
384 |
break; |
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385 |
iRecall=0; |
|
386 |
} |
|
387 |
else if (iRecall>=(hCount-1)) // End |
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388 |
{ |
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389 |
ClearLine(); |
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390 |
iRecall=(-1); |
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391 |
break; |
|
392 |
} |
|
393 |
else |
|
394 |
iRecall++; |
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395 |
Recall(); |
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396 |
break; |
|
397 |
case EKeyDownArrow: |
|
398 |
if (iRecall==(-1)) |
|
399 |
{ |
|
400 |
if (hCount==0) |
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401 |
break; |
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402 |
iRecall=hCount-1; |
|
403 |
} |
|
404 |
else if (iRecall==0) |
|
405 |
{ |
|
406 |
ClearLine(); |
|
407 |
iRecall=(-1); |
|
408 |
break; |
|
409 |
} |
|
410 |
else |
|
411 |
iRecall--; |
|
412 |
Recall(); |
|
413 |
break; |
|
414 |
case EKeyPageDown: |
|
415 |
if (hCount==0) |
|
416 |
break; |
|
417 |
iRecall=0; |
|
418 |
Recall(); |
|
419 |
break; |
|
420 |
||
421 |
case EKeyEnter: |
|
422 |
NewLine(); |
|
423 |
StoreBufferHistory(); |
|
424 |
return EShellCommand; |
|
425 |
||
426 |
case EKeyBackspace: |
|
427 |
if (iPos) |
|
428 |
{ |
|
429 |
TInt iN=1; |
|
430 |
if (iConsole->KeyModifiers()==EModifierCtrl) |
|
431 |
iN=iPos-WordLeft(); |
|
432 |
ClearLast(iN); |
|
433 |
iPos-=iN; |
|
434 |
Buf().Delete(iPos,iN); |
|
435 |
Refresh(); |
|
436 |
} |
|
437 |
break; |
|
438 |
case EKeyDelete: |
|
439 |
if (iPos<((TInt)Buf().Length())) |
|
440 |
{ |
|
441 |
TInt iN=1; |
|
442 |
if (iConsole->KeyModifiers()==EModifierCtrl) |
|
443 |
iN=WordRight()-iPos; |
|
444 |
ClearLast(iN); |
|
445 |
Buf().Delete(iPos,iN); |
|
446 |
Refresh(); |
|
447 |
} |
|
448 |
break; |
|
449 |
||
450 |
case EKeyInsert: |
|
451 |
iMode=(iMode==EEditOverWrite ? EEditInsert : EEditOverWrite); |
|
452 |
iConsole->SetCursorHeight(iMode==EEditOverWrite ? ECursorNormal : ECursorInsert); |
|
453 |
break; |
|
454 |
||
455 |
case EKeyTab: |
|
456 |
return ECommandCompletion; |
|
457 |
||
458 |
default: |
|
459 |
if (!gChar.IsPrint()) |
|
460 |
break; |
|
461 |
if (iMode==EEditOverWrite && iPos<((TInt)Buf().Length())) |
|
462 |
Buf()[iPos++]=(TText)gChar; |
|
463 |
else if (Buf().Length()<KShellMaxCommandLine) |
|
464 |
{ |
|
465 |
TInt oL=Lines(); |
|
466 |
TBuf<0x02> b; |
|
467 |
b.Append(gChar); |
|
468 |
Buf().Insert(iPos++,b); |
|
469 |
TInt nL=Lines(); |
|
470 |
if (nL!=oL) |
|
471 |
{ |
|
472 |
iConsole->SetCursorHeight(ECursorNone); |
|
473 |
iConsole->SetPos(0,iLine+oL-1); |
|
474 |
iConsole->Write(_L("\n")); |
|
475 |
iConsole->SetPos(0,iLine); |
|
476 |
if (iLine+nL>iHeight-iFrameSizeChar.iHeight) |
|
477 |
iLine=iHeight-iFrameSizeChar.iHeight-nL; |
|
478 |
} |
|
479 |
} |
|
480 |
else |
|
481 |
{ |
|
482 |
iConsole->Write(_L("\7")); |
|
483 |
iConsole->SetPos((iOrigin+iPos)%(iWidth-iFrameSizeChar.iWidth),iLine+Lines()-1); |
|
484 |
break; |
|
485 |
} |
|
486 |
Refresh(); |
|
487 |
} |
|
488 |
} |
|
489 |
} |
|
490 |
||
491 |
void CLineEdit::NewLine() |
|
492 |
{ |
|
493 |
iConsole->SetCursorHeight(ECursorNone); |
|
494 |
iLine += (Lines() - 1); |
|
495 |
iConsole->SetPos(0, iLine); |
|
496 |
iConsole->Write(_L("\n")); // Just a line feed |
|
497 |
iRecall = (-1); |
|
498 |
} |
|
499 |
||
500 |
void CLineEdit::StoreBufferHistory() |
|
501 |
{ |
|
502 |
Buf().TrimRight(); |
|
503 |
||
504 |
if (Buf().Length()>=1) |
|
505 |
{ |
|
506 |
||
507 |
//-- find out if we already have exactly the same command in the history. |
|
508 |
//-- if it is there, don't add a new item, just move it to the top |
|
509 |
for(TInt i=0; i<iHistory->Count(); ++i) |
|
510 |
{ |
|
511 |
HBufC* pCmd = iHistory->At(i); |
|
512 |
const TDesC& cmdLine = pCmd->Des(); |
|
513 |
if(cmdLine == Buf()) |
|
514 |
{ |
|
515 |
iHistory->Delete(i); |
|
516 |
TRAP_IGNORE(iHistory->InsertL(0, pCmd)); |
|
517 |
return; |
|
518 |
} |
|
519 |
} |
|
520 |
||
521 |
if (iHistory->Count()==iMaxHistory+1) |
|
522 |
{ |
|
523 |
User::Free((*iHistory)[iMaxHistory]); |
|
524 |
iHistory->Delete(iMaxHistory); |
|
525 |
} |
|
526 |
||
527 |
HBufC* pB=Buf().Alloc(); |
|
528 |
if(pB != NULL) |
|
529 |
{ |
|
530 |
TRAP_IGNORE(iHistory->InsertL(0, pB)); |
|
531 |
} |
|
532 |
} |
|
533 |
} |
|
534 |
||
535 |
////////////////////////////////////// |
|
536 |
//CShell |
|
537 |
////////////////////////////////////// |
|
538 |
TShellCommand::TShellCommand(const TDesC& aName,const TDesC& aHelp,const TDesC& aHelpDetail,TUint aSwitches,TInt (*aFunction)(TDes&,TUint)) |
|
539 |
:iName(aName), |
|
540 |
iHelp(aHelp), |
|
541 |
iHelpDetail(aHelpDetail), |
|
542 |
iSwitchesSupported(aSwitches), |
|
543 |
iFunction(aFunction) |
|
544 |
{ |
|
545 |
} |
|
546 |
||
547 |
CShell* CShell::NewL() |
|
548 |
{ |
|
549 |
CShell *pS = new(ELeave) CShell; |
|
550 |
CleanupStack::PushL(pS); |
|
551 |
||
552 |
// No need to PushL these, if CShell::NewL leaves then eshell |
|
553 |
// fails in its entirety. |
|
554 |
TheConsole = Console::NewL(_L("ESHELL"), TSize(KConsFullScreen, KConsFullScreen)); |
|
555 |
TheEditor = CLineEdit::NewL(TheConsole, KDefaultHistorySize); |
|
556 |
TheCliCompleter = CCliCompleter::NewL(); |
|
557 |
||
558 |
CleanupStack::Pop(); |
|
559 |
return(pS); |
|
560 |
} |
|
561 |
||
562 |
CShell::~CShell() |
|
563 |
{ |
|
564 |
ShellFunction::TheShell=NULL; |
|
565 |
TheFs.Close(); |
|
566 |
delete TheEditor; |
|
567 |
delete TheFileMan; |
|
568 |
delete TheConsole; |
|
569 |
delete TheCliCompleter; |
|
570 |
} |
|
571 |
||
572 |
void CShell::DoBanner() |
|
573 |
{ |
|
574 |
TBuf<40> shlver=TheShellVersion.Name(); |
|
575 |
TheConsole->Printf(_L("ESHELL %S CFG="),&shlver); |
|
576 |
#ifdef _UNICODE |
|
577 |
TheConsole->Printf(_L("U")); |
|
578 |
#endif |
|
579 |
#ifdef _DEBUG |
|
580 |
TheConsole->Printf(_L("DEB\r\n")); |
|
581 |
#else |
|
582 |
TheConsole->Printf(_L("REL\r\n")); |
|
583 |
#endif |
|
584 |
||
585 |
#if !defined(__WINS__) |
|
586 |
TMachineStartupType reason; |
|
587 |
UserHal::StartupReason(reason); |
|
588 |
||
589 |
switch (reason) |
|
590 |
{ |
|
591 |
case EStartupCold: TheConsole->Printf(_L("Cold Start\n")); break; |
|
592 |
case EStartupColdReset: TheConsole->Printf(_L("Cold Reset\n")); break; |
|
593 |
case EStartupNewOs: TheConsole->Printf(_L("New OS\n")); break; |
|
594 |
case EStartupPowerFail: TheConsole->Printf(_L("Power failed\n")); break; |
|
595 |
case EStartupWarmReset: TheConsole->Printf(_L("Warm Reset\n")); break; |
|
596 |
case EStartupKernelFault: |
|
597 |
||
598 |
TInt faultno; |
|
599 |
UserHal::FaultReason(faultno); |
|
600 |
if (faultno == 0x10000000) |
|
601 |
{ |
|
602 |
TheConsole->Printf(_L("Kernel Exception\n")); |
|
603 |
} |
|
604 |
else |
|
605 |
{ |
|
606 |
TExcInfo exceptInfo; |
|
607 |
UserHal::ExceptionInfo(exceptInfo); |
|
608 |
TUint32 decode[3]; |
|
609 |
decode[0]=TUint32(exceptInfo.iCodeAddress); |
|
610 |
decode[1]=TUint32(exceptInfo.iDataAddress); |
|
611 |
decode[2]=0; |
|
612 |
||
613 |
// interpret decode as null-terminated string |
|
614 |
TPtrC category((TText*)&decode[0]); |
|
615 |
||
616 |
if (faultno >= 0x10000) |
|
617 |
TheConsole->Printf(_L("Kernel PANIC: %S %d\n"),&category, faultno-0x10000); |
|
618 |
else |
|
619 |
TheConsole->Printf(_L("Kernel FAULT: %S %d\n"),&category, faultno); |
|
620 |
} |
|
621 |
break; |
|
622 |
case EStartupSafeReset: TheConsole->Printf(_L("Safe Reset\n")); break; |
|
623 |
default: |
|
624 |
TheConsole->Printf(_L("<?reason=%d>\n"), reason); |
|
625 |
break; |
|
626 |
} |
|
627 |
||
628 |
if (reason==EStartupWarmReset || reason==EStartupKernelFault) |
|
629 |
{ |
|
630 |
TInt excId; |
|
631 |
TExcInfo excInfo; |
|
632 |
UserHal::ExceptionId(excId); |
|
633 |
UserHal::ExceptionInfo(excInfo); |
|
634 |
TheConsole->Printf(_L("(last exception %d: code %08x data %08x extra %08x) "), |
|
635 |
excId, excInfo.iCodeAddress, excInfo.iDataAddress, excInfo.iExtraData); |
|
636 |
} |
|
637 |
#endif |
|
638 |
TheConsole->Printf(_L("\r\n\nCopyright (c) 1998 Symbian Ltd\r\n\n")); |
|
639 |
} |
|
640 |
||
641 |
_LIT(KRootdir,"?:\\"); |
|
642 |
void CShell::RunL() |
|
643 |
{ |
|
644 |
DoBanner(); |
|
645 |
TBuf<sizeof(KRootdir)> rootdir(KRootdir); |
|
646 |
rootdir[0] = (TUint8) RFs::GetSystemDriveChar(); |
|
647 |
__ASSERT_ALWAYS(TheFs.Connect()==KErrNone,User::Panic(_L("Connect"),0)); |
|
648 |
__ASSERT_ALWAYS(TheFs.SetSessionPath(rootdir) == KErrNone, User::Panic(_L("Set Session path"),0)); |
|
649 |
__ASSERT_ALWAYS(TheFs.SessionPath(currentPath)==KErrNone,User::Panic(_L("Session path"),0)); |
|
650 |
TInt drive; |
|
651 |
__ASSERT_ALWAYS(charToDrive(currentPath[0],drive)==KErrNone,User::Panic(_L("Invalid Path"),0)); |
|
652 |
drivePaths[drive]=currentPath; |
|
653 |
// |
|
654 |
// going to creat the shell's private path here |
|
655 |
// TheFs. |
|
656 |
// |
|
657 |
CFileManObserver* fileManObserver=new(ELeave) CFileManObserver; |
|
658 |
CleanupStack::PushL(fileManObserver); |
|
659 |
TheFileMan=CFileMan::NewL(TheFs,fileManObserver); |
|
660 |
// |
|
661 |
TBuf<16> startupFile=_L("0:\\AUTOEXEC.BAT"); |
|
662 |
TEntry startEntry; |
|
663 |
||
664 |
// Search all drives for autoexec.bat starting y,x,...,a then z |
|
665 |
||
666 |
const TInt KIndexDriveA=0; |
|
667 |
const TInt KIndexDriveY=24; |
|
668 |
const TInt KIndexDriveZ=25; |
|
669 |
TBuf<KMaxFileName>* searchDrive; |
|
670 |
||
671 |
for (searchDrive=&drivePaths[KIndexDriveY];searchDrive>=&drivePaths[KIndexDriveA];searchDrive--) |
|
672 |
{ |
|
673 |
currentPath=*searchDrive; |
|
674 |
startupFile[0]=currentPath[0]; |
|
675 |
if (TheFs.Entry(startupFile,startEntry)==KErrNone) |
|
676 |
{ |
|
677 |
#ifdef __X86__ |
|
678 |
if (startEntry.iSize != 0) |
|
679 |
#endif |
|
680 |
{ |
|
681 |
RunBatch(startupFile); |
|
682 |
break; |
|
683 |
} |
|
684 |
} |
|
685 |
if (searchDrive==&drivePaths[KIndexDriveA]) |
|
686 |
{ |
|
687 |
currentPath=drivePaths[KIndexDriveZ]; |
|
688 |
startupFile[0]=currentPath[0]; |
|
689 |
if (TheFs.Entry(startupFile,startEntry)==KErrNone) |
|
690 |
{ |
|
691 |
RunBatch(startupFile); |
|
692 |
break; |
|
693 |
} |
|
694 |
} |
|
695 |
} |
|
696 |
||
697 |
TLineEditAction result; |
|
698 |
TBuf<KShellMaxCommandLine> commandText; |
|
699 |
TBool exit = EFalse; |
|
700 |
||
701 |
TInt tabCount = 0; |
|
702 |
TBuf<KMaxPath + 1> prompt; |
|
703 |
TBool newLine = ETrue; |
|
704 |
||
705 |
FOREVER |
|
706 |
{ |
|
707 |
__ASSERT_ALWAYS(TheFs.SessionPath(currentPath)==KErrNone,User::Panic(_L("Session path"),0)); |
|
708 |
TInt drive; |
|
709 |
__ASSERT_ALWAYS(charToDrive(currentPath[0],drive)==KErrNone,User::Panic(_L("Invalid Path"),0)); |
|
710 |
drivePaths[drive] = currentPath; |
|
711 |
||
712 |
if(currentPath[currentPath.Length() - 2] == KDriveDelimiter) |
|
713 |
{ |
|
714 |
prompt = currentPath; |
|
715 |
} |
|
716 |
else |
|
717 |
{ |
|
718 |
TInt i = (currentPath.LocateReverse(KPathDelimiter)); |
|
719 |
prompt = currentPath.Left(i); |
|
720 |
} |
|
721 |
prompt.Append(_L(">")); |
|
722 |
||
723 |
result = TheEditor->Edit(prompt, &commandText, newLine); |
|
724 |
||
725 |
switch(result) |
|
726 |
{ |
|
727 |
case EShellCommand: |
|
728 |
tabCount = 0; |
|
729 |
||
730 |
#if !defined(_EPOC) |
|
731 |
if(commandText.CompareF(_L("EXIT")) == 0) |
|
732 |
{ |
|
733 |
exit = ETrue; |
|
734 |
break; |
|
735 |
} |
|
736 |
#endif |
|
737 |
commandText.Trim(); |
|
738 |
DoCommand(commandText); |
|
739 |
commandText.Zero(); |
|
740 |
||
741 |
newLine = ETrue; |
|
742 |
||
743 |
break; |
|
744 |
||
745 |
case ECommandCompletion: |
|
746 |
{ |
|
747 |
tabCount++; |
|
748 |
||
749 |
TBuf<KMaxPath> knownPart; |
|
750 |
TheCliCompleter->EstablishCompletionContext(commandText, TheEditor->Pos(), knownPart); |
|
751 |
||
752 |
TInt preCompletedLength = knownPart.Length(); |
|
753 |
||
754 |
newLine = EFalse; |
|
755 |
||
756 |
RPointerArray<HBufC> alternatives; |
|
757 |
CleanupResetAndDestroyPushL(alternatives); |
|
758 |
||
759 |
if(TheCliCompleter->AttemptCompletionL(knownPart, alternatives)) |
|
760 |
{ // We completed something successfully |
|
761 |
tabCount = 0; |
|
762 |
} |
|
763 |
||
764 |
if(knownPart.Length() > preCompletedLength) |
|
765 |
{ |
|
766 |
commandText.Delete(TheEditor->Pos() - preCompletedLength, preCompletedLength); |
|
767 |
||
768 |
// Don't allow the completion to cause the line buffer length to be exceeded |
|
769 |
TInt excess = ((TheEditor->Pos() - preCompletedLength) + knownPart.Length()) - KShellMaxCommandLine; |
|
770 |
if(excess > 0) |
|
771 |
{ |
|
772 |
knownPart.Delete(knownPart.Length() - excess, excess); |
|
773 |
} |
|
774 |
else |
|
775 |
{ |
|
776 |
excess = (commandText.Length() + knownPart.Length()) - KShellMaxCommandLine; |
|
777 |
||
778 |
if(excess > 0) |
|
779 |
{ |
|
780 |
commandText.Delete(commandText.Length() - excess, excess); |
|
781 |
} |
|
782 |
} |
|
783 |
||
784 |
commandText.Insert(TheEditor->Pos() - preCompletedLength, knownPart); |
|
785 |
TheEditor->SetPos(TheEditor->Pos() + (knownPart.Length() - preCompletedLength)); |
|
786 |
} |
|
787 |
||
788 |
if(alternatives.Count() > 0) |
|
789 |
{ |
|
790 |
if(tabCount == 2) |
|
791 |
{ |
|
792 |
tabCount = 0; |
|
793 |
||
794 |
TheCliCompleter->DisplayAlternatives(alternatives); |
|
795 |
newLine = ETrue; |
|
796 |
} |
|
797 |
} |
|
798 |
||
799 |
CleanupStack::PopAndDestroy(&alternatives); |
|
800 |
||
801 |
break; |
|
802 |
} |
|
803 |
||
804 |
case ENoAction: |
|
805 |
default: |
|
806 |
tabCount = 0; |
|
807 |
break; |
|
808 |
} |
|
809 |
||
810 |
if(exit) |
|
811 |
{ |
|
812 |
break; |
|
813 |
} |
|
814 |
} |
|
815 |
||
816 |
CleanupStack::PopAndDestroy(fileManObserver); |
|
817 |
} |
|
818 |
||
819 |
void CShell::DoCommand(TDes& aCommand) |
|
820 |
// |
|
821 |
// Evaluate the commandline and run the command or file |
|
822 |
// |
|
823 |
{ |
|
824 |
||
825 |
aCommand.TrimAll(); |
|
826 |
||
827 |
const TShellCommand* commandPtr=&iCommand[0]; |
|
828 |
for (;commandPtr<=&iCommand[ENoShellCommands-1];commandPtr++) |
|
829 |
{ |
|
830 |
TInt length=commandPtr->iName.Length(); |
|
831 |
if ((aCommand.Length()>length && aCommand.Left(length).CompareF(commandPtr->iName)==0 && !TChar(aCommand[length]).IsAlphaDigit()) |
|
832 |
|| (aCommand.Length()==length && aCommand.CompareF(commandPtr->iName)==0)) |
|
833 |
{ |
|
834 |
aCommand.Delete(0,length); |
|
835 |
break; |
|
836 |
} |
|
837 |
} |
|
838 |
||
839 |
if (commandPtr<=&iCommand[ENoShellCommands-1]) |
|
840 |
{ |
|
841 |
if (aCommand.Find(_L("/?"))>=0) |
|
842 |
PrintHelp(commandPtr); |
|
843 |
else // No /? switch |
|
844 |
{ |
|
845 |
TUint switchesSet=0; |
|
846 |
TInt r; |
|
847 |
while ((r=aCommand.Locate('/'))!=KErrNotFound) |
|
848 |
{ |
|
849 |
TChar switchChar='\0'; |
|
850 |
TInt switchInt=switchChar; |
|
851 |
if ((r+1)==aCommand.Length() || (switchChar=aCommand[r+1]).IsAlpha()==EFalse) |
|
852 |
{ |
|
853 |
TheConsole->Printf(_L("Invalid switch - \"%c\".\n"),switchInt); |
|
854 |
return; |
|
855 |
} |
|
856 |
switchChar.UpperCase(); |
|
857 |
switchesSet|=(1<<((TInt)switchChar-'A')); |
|
858 |
TChar extraChar; |
|
859 |
if ((r+2)<aCommand.Length() && (extraChar=aCommand[r+2])!=' ' && extraChar!='/') |
|
860 |
{ |
|
861 |
TInt switchInt=switchChar; |
|
862 |
TInt extraInt=extraChar; // Gcc debugger warning if pass TChar to ... |
|
863 |
TheConsole->Printf(_L("Parameter format not correct - \"%c%c\".\n"),switchInt,extraInt); |
|
864 |
return; |
|
865 |
} |
|
866 |
aCommand.Delete(r,2); |
|
867 |
} |
|
868 |
if (switchesSet&~commandPtr->iSwitchesSupported) |
|
869 |
{ |
|
870 |
TheConsole->Printf(_L("Switch not supported\n")); |
|
871 |
return; |
|
872 |
} |
|
873 |
aCommand.Trim(); |
|
874 |
||
875 |
// RUN SHELL FUNCTION |
|
876 |
r=commandPtr->iFunction(aCommand,switchesSet); |
|
877 |
if (r!=KErrNone) |
|
878 |
{ |
|
879 |
PrintError(r); |
|
880 |
} |
|
881 |
} |
|
882 |
} |
|
883 |
else //Generic commands |
|
884 |
{ |
|
885 |
TInt r; |
|
886 |
||
887 |
if (aCommand.CompareF(_L("HELP"))==0) |
|
888 |
PrintHelp(); |
|
889 |
else if (aCommand.CompareF(_L("CLS"))==0) |
|
890 |
TheConsole->ClearScreen(); |
|
891 |
else if (aCommand.Length()==2 && TChar(aCommand[0]).IsAlpha() && aCommand[1]==':') |
|
892 |
ChangeDrive(aCommand[0]); |
|
893 |
else if (aCommand.Length()!=0) |
|
894 |
{ |
|
895 |
r=RunBatch(aCommand); |
|
896 |
if (r != KErrNone) // Typically KErrNotFound, KErrBadName, KErrLocked... |
|
897 |
r=RunExecutable(aCommand,ETrue); |
|
898 |
if (r!=KErrNone) |
|
899 |
PrintError(r); |
|
900 |
} |
|
901 |
} |
|
902 |
} |
|
903 |
||
904 |
void CShell::PrintHelp() |
|
905 |
{ |
|
906 |
||
907 |
for(const TShellCommand* commandPtr=&iCommand[0];commandPtr<=&iCommand[ENoShellCommands-1];commandPtr++) |
|
908 |
{ |
|
909 |
OutputStringToConsole(ETrue,_L("%- 10S%S\n"),&commandPtr->iName,&commandPtr->iHelp); |
|
910 |
} |
|
911 |
||
912 |
} |
|
913 |
||
914 |
void CShell::PrintHelp(const TShellCommand* aCommand) |
|
915 |
{ |
|
916 |
OutputStringToConsole(ETrue,_L("%S\n\n %S "),&aCommand->iHelp,&aCommand->iName); |
|
917 |
OutputStringToConsole(ETrue,_L("%S\n\n"),&aCommand->iHelpDetail); |
|
918 |
} |
|
919 |
||
920 |
void CShell::PrintError(TInt aError) |
|
921 |
{ |
|
922 |
switch (aError) |
|
923 |
{ |
|
924 |
case KErrAlreadyExists: |
|
925 |
TheConsole->Printf(_L("Already exists\n")); |
|
926 |
break; |
|
927 |
case KErrCorrupt: |
|
928 |
TheConsole->Printf(_L("Corrupt or unformatted drive\n")); |
|
929 |
break; |
|
930 |
case KErrNotSupported: |
|
931 |
TheConsole->Printf(_L("Not supported\n")); |
|
932 |
break; |
|
933 |
case KErrGeneral: |
|
934 |
TheConsole->Printf(_L("General Error\n")); |
|
935 |
break; |
|
936 |
case KErrNotFound: |
|
937 |
TheConsole->Printf(_L("Not found\n")); |
|
938 |
break; |
|
939 |
case KErrPathNotFound: |
|
940 |
TheConsole->Printf(_L("Path not found\n")); |
|
941 |
break; |
|
942 |
case KErrBadName: |
|
943 |
TheConsole->Printf(_L("Bad name\n")); |
|
944 |
break; |
|
945 |
case KErrNotReady: |
|
946 |
TheConsole->Printf(_L("Drive not ready\n")); |
|
947 |
break; |
|
948 |
case KErrAccessDenied: |
|
949 |
TheConsole->Printf(_L("Access denied\n")); |
|
950 |
break; |
|
951 |
case KErrEof: |
|
952 |
TheConsole->Printf(_L("Unexpected end of file\n")); |
|
953 |
break; |
|
954 |
case KErrTooBig: |
|
955 |
TheConsole->Printf(_L("Too Big\n")); |
|
956 |
break; |
|
957 |
default: |
|
958 |
TheConsole->Printf(_L("Error %d\n"),aError); |
|
959 |
} |
|
960 |
} |
|
961 |
||
962 |
void CShell::ChangeDrive(TChar aDrive) |
|
963 |
{ |
|
964 |
||
965 |
TInt drive; |
|
966 |
__ASSERT_ALWAYS(charToDrive(aDrive,drive)==KErrNone,User::Panic(_L("Invalid drive letter"),0)); |
|
967 |
TDriveList driveList; |
|
968 |
TheFs.DriveList(driveList); |
|
969 |
if (driveList[drive]) |
|
970 |
{ |
|
971 |
TInt r=TheFs.SetSessionPath(drivePaths[drive]); |
|
972 |
if (r!=KErrNone) |
|
973 |
PrintError(r); |
|
974 |
} |
|
975 |
else |
|
976 |
PrintError(KErrNotFound); |
|
977 |
} |
|
978 |
||
979 |
TInt CShell::RunBatch(TDes& aCommand) |
|
980 |
{ |
|
981 |
TBool appendedBat=EFalse; |
|
982 |
if (aCommand.FindF(_L(".BAT"))<0 && (aCommand.Length()+4)<=KShellMaxCommandLine) |
|
983 |
{ |
|
984 |
aCommand.Append(_L(".BAT")); |
|
985 |
appendedBat=ETrue; |
|
986 |
} |
|
987 |
RFile file; |
|
988 |
TInt r=file.Open(TheFs,aCommand,EFileStreamText); |
|
989 |
if (r!=KErrNone) |
|
990 |
{ |
|
991 |
if (appendedBat) |
|
992 |
aCommand.Delete(aCommand.Length()-4,4); |
|
993 |
return r; |
|
994 |
} |
|
995 |
__ASSERT_ALWAYS(TheFs.SessionPath(currentPath)==KErrNone,User::Panic(_L("Session path"),0)); |
|
996 |
TInt drive; |
|
997 |
__ASSERT_ALWAYS(charToDrive(currentPath[0],drive)==KErrNone,User::Panic(_L("Invalid drive letter"),0)); |
|
998 |
drivePaths[drive]=currentPath; |
|
999 |
TInt filePos=0; |
|
1000 |
||
1001 |
TBuf<KShellMaxCommandLine> readBuf; |
|
1002 |
||
1003 |
FOREVER |
|
1004 |
{ |
|
1005 |
#ifdef _UNICODE |
|
1006 |
TBuf8<KShellMaxCommandLine> buf8; |
|
1007 |
r=file.Read(filePos,buf8); |
|
1008 |
readBuf.Copy(buf8); |
|
1009 |
#else |
|
1010 |
r=file.Read(filePos,readBuf); |
|
1011 |
#endif |
|
1012 |
if (r!=KErrNone) |
|
1013 |
{ |
|
1014 |
PrintError(r); |
|
1015 |
break; |
|
1016 |
} |
|
1017 |
||
1018 |
r=readBuf.Locate('\n'); |
|
1019 |
if (r==KErrNotFound) |
|
1020 |
{ |
|
1021 |
r=readBuf.Length(); |
|
1022 |
filePos+=r; |
|
1023 |
} |
|
1024 |
||
1025 |
else if (r<=1) // Indicates /n before batch file instructions |
|
1026 |
{ |
|
1027 |
TInt temp=readBuf.Length(); |
|
1028 |
readBuf.TrimLeft(); // Removes initial /n |
|
1029 |
temp-=readBuf.Length(); |
|
1030 |
r=readBuf.Locate('\n'); |
|
1031 |
if(r==KErrNotFound) |
|
1032 |
{ |
|
1033 |
r=readBuf.Length(); |
|
1034 |
} |
|
1035 |
filePos+=r+1+temp; // Offsets filePos correctly in the file |
|
1036 |
} |
|
1037 |
else filePos+=r+1; |
|
1038 |
||
1039 |
if (readBuf.Length()==0) |
|
1040 |
break; |
|
1041 |
readBuf.SetLength(r); |
|
1042 |
||
1043 |
readBuf.Trim(); |
|
1044 |
TheFs.SessionPath(currentPath); |
|
1045 |
TheConsole->Printf(currentPath); |
|
1046 |
TheConsole->Printf(_L(">%S\n"),&readBuf); |
|
1047 |
||
1048 |
// If command was a drive change, reset the current path here |
|
1049 |
if (readBuf.Length()==2 && TChar(readBuf[0]).IsAlpha() && readBuf[1]==':') |
|
1050 |
{ |
|
1051 |
TInt drive; |
|
1052 |
__ASSERT_ALWAYS(charToDrive(readBuf[0],drive)==KErrNone,User::Panic(_L("Invalid drive letter"),0)); |
|
1053 |
||
1054 |
TDriveList driveList; |
|
1055 |
TheFs.DriveList(driveList); |
|
1056 |
if (driveList[drive]) |
|
1057 |
{ |
|
1058 |
TInt r=TheFs.SetSessionPath(drivePaths[drive]); |
|
1059 |
if (r!=KErrNone) |
|
1060 |
PrintError(r); |
|
1061 |
currentPath=drivePaths[drive]; |
|
1062 |
} |
|
1063 |
else |
|
1064 |
PrintError(KErrNotFound); |
|
1065 |
} |
|
1066 |
||
1067 |
else if (readBuf.Length()<3 || readBuf.Left(3).CompareF(_L("REM"))!=0) |
|
1068 |
DoCommand(readBuf); |
|
1069 |
} |
|
1070 |
file.Close(); |
|
1071 |
return KErrNone; |
|
1072 |
} |
|
1073 |
||
1074 |
||
1075 |
||
1076 |
TInt CShell::RunExecutable(TDes& aCommand,TBool aWaitForCompletion) |
|
1077 |
{ |
|
1078 |
aCommand.Trim(); |
|
1079 |
TBuf<KShellMaxCommandLine> parameters(0); |
|
1080 |
TInt r=aCommand.Locate(' '); // can't be the last character because of Trim() |
|
1081 |
if (r!=KErrNotFound) |
|
1082 |
{ |
|
1083 |
parameters=aCommand.Mid(r+1); |
|
1084 |
aCommand.SetLength(r); |
|
1085 |
} |
|
1086 |
// aCommand is now just the executable |
|
1087 |
if (aCommand.FindF(_L(".EXE"))==KErrNotFound && (aCommand.Length()+4)<=KShellMaxCommandLine) |
|
1088 |
aCommand.Append(_L(".EXE")); |
|
1089 |
TInt specificExe=1; |
|
1090 |
if (aCommand.Length()>2 && aCommand[1]==':' && aCommand[2]!='\\') |
|
1091 |
{ |
|
1092 |
if (TChar(aCommand[0]).IsAlpha()) |
|
1093 |
{ |
|
1094 |
TInt drive; |
|
1095 |
__ASSERT_ALWAYS(charToDrive(aCommand[0],drive)==KErrNone,User::Panic(_L("Invalid drive letter"),0)); |
|
1096 |
currentPath=drivePaths[drive]; |
|
1097 |
aCommand.Delete(0,2); |
|
1098 |
if (aCommand.Length()+currentPath.Length() <= KShellMaxCommandLine) |
|
1099 |
aCommand.Insert(0,currentPath); |
|
1100 |
} |
|
1101 |
else |
|
1102 |
return KErrNotFound; |
|
1103 |
} |
|
1104 |
if (aCommand.Length()>2 && aCommand[1]!=':') |
|
1105 |
{ |
|
1106 |
if(aCommand[0]!='\\') |
|
1107 |
{ |
|
1108 |
if (aCommand.Locate('\\')==KErrNotFound) |
|
1109 |
specificExe=0; // no drive, no path - be ready to let the system find it... |
|
1110 |
if (aCommand.Length()+currentPath.Length() <= KShellMaxCommandLine) |
|
1111 |
aCommand.Insert(0,currentPath); |
|
1112 |
} |
|
1113 |
else |
|
1114 |
if (aCommand.Length()+currentPath.Left(2).Length() <= KShellMaxCommandLine) |
|
1115 |
aCommand.Insert(0,currentPath.Left(2)); |
|
1116 |
} |
|
1117 |
||
1118 |
RFile file; |
|
1119 |
r=file.Open(CShell::TheFs,aCommand,EFileStream); |
|
1120 |
if (r!=KErrNone) |
|
1121 |
{ |
|
1122 |
if (specificExe) |
|
1123 |
return(r); |
|
1124 |
r=aCommand.LocateReverse('\\'); // must exist because this is a full filename |
|
1125 |
aCommand.Delete(0,r+1); |
|
1126 |
} |
|
1127 |
else |
|
1128 |
{ |
|
1129 |
// If the file can be opened, it *must* exist, and we'll assume that the user |
|
1130 |
// really intended this specific file. |
|
1131 |
specificExe=1; |
|
1132 |
file.Close(); |
|
1133 |
} |
|
1134 |
||
1135 |
RProcess newProcess; |
|
1136 |
r=newProcess.Create(aCommand,parameters); |
|
1137 |
||
1138 |
if (r==KErrNone) // Executable can run OK |
|
1139 |
{ |
|
1140 |
TRequestStatus status=KRequestPending; |
|
1141 |
if(aWaitForCompletion) |
|
1142 |
newProcess.Logon(status); |
|
1143 |
newProcess.Resume(); |
|
1144 |
if (aWaitForCompletion) |
|
1145 |
User::WaitForRequest(status); |
|
1146 |
if (aWaitForCompletion && (newProcess.ExitType()!=EExitKill || status!=KErrNone)) |
|
1147 |
{ |
|
1148 |
TBuf<KMaxExitCategoryName> exitCat=newProcess.ExitCategory(); |
|
1149 |
TheConsole->Printf(_L("\nExit type %d,%d,%S\n"),newProcess.ExitType(),newProcess.ExitReason(),&exitCat); |
|
1150 |
} |
|
1151 |
||
1152 |
newProcess.Close(); // get rid of our handle |
|
1153 |
return KErrNone; |
|
1154 |
} |
|
1155 |
||
1156 |
// Executable could not be run |
|
1157 |
||
1158 |
#if 0 //defined(__EPOC32__) |
|
1159 |
if (specificExe) |
|
1160 |
{ |
|
1161 |
// Use class CDllChecker to check the dependencies |
|
1162 |
// for MARM exes only |
|
1163 |
CDllChecker check; |
|
1164 |
||
1165 |
// Create an array to store each dependency's name, Uid and result |
|
1166 |
TRAPD(leaveCode,(check.ConstructL())); |
|
1167 |
||
1168 |
if (leaveCode!=KErrNone) // If function leaves |
|
1169 |
{ |
|
1170 |
TheConsole->Printf(_L("Dependency checking failed due to error %d\n"), leaveCode); |
|
1171 |
return(KErrNone); |
|
1172 |
} |
|
1173 |
||
1174 |
TInt result=KErrNone; |
|
1175 |
TRAP(result,(check.GetImportDataL(aCommand,NULL))); |
|
1176 |
||
1177 |
if (result==KErrNone) |
|
1178 |
{ |
|
1179 |
check.ListArray(); // Print out the results of DllCheck |
|
1180 |
return(KErrNone); |
|
1181 |
} |
|
1182 |
} |
|
1183 |
#endif |
|
1184 |
return (r); |
|
1185 |
} |
|
1186 |
||
1187 |
void CShell::SetCurrentPath(const TDesC& aDes) |
|
1188 |
// |
|
1189 |
// Set the current Directory |
|
1190 |
// |
|
1191 |
{ |
|
1192 |
||
1193 |
__ASSERT_DEBUG(currentPath.MaxLength()>=aDes.Length(),Panic(EShellFilePathTooBig)); |
|
1194 |
currentPath=aDes; |
|
1195 |
} |
|
1196 |
||
1197 |
TDes& CShell::CurrentPath() |
|
1198 |
// |
|
1199 |
// Accessor function |
|
1200 |
// |
|
1201 |
{ |
|
1202 |
return currentPath; |
|
1203 |
} |
|
1204 |
||
1205 |
||
1206 |
||
1207 |
void CShell::SetDrivePath(const TDesC& aDrivePath) |
|
1208 |
// |
|
1209 |
// Set the drive path |
|
1210 |
// |
|
1211 |
{ |
|
1212 |
||
1213 |
__ASSERT_DEBUG(aDrivePath.Length()>=3 && aDrivePath[1]==KDriveDelimiter,Panic(EShellBadDrivePath)); |
|
1214 |
TChar drvLetter=aDrivePath[0]; |
|
1215 |
__ASSERT_DEBUG(drvLetter.IsAlpha(),Panic(EShellBadDrivePath)); |
|
1216 |
TInt drvNum; |
|
1217 |
__ASSERT_ALWAYS(charToDrive(drvLetter,drvNum)==KErrNone,User::Panic(_L("Invalid drive letter"),0)); |
|
1218 |
drivePaths[drvNum]=aDrivePath; |
|
1219 |
} |
|
1220 |
||
1221 |
||
1222 |
TKeyCode CShell::OutputStringToConsole(TBool aPageSwitch,TRefByValue<const TDesC> aFmt,... ) |
|
1223 |
//function for output of a sring to console |
|
1224 |
//aPageSwitch flag indicates that output should be page-by-page |
|
1225 |
{ |
|
1226 |
//create an object to truncate argument list substitution |
|
1227 |
SimpleOverflowTruncate overflow; |
|
1228 |
VA_LIST list; |
|
1229 |
VA_START(list,aFmt); |
|
1230 |
||
6
0173bcd7697c
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1231 |
TBuf<0x200> aBuf; |
0 | 1232 |
//format output string using argument list |
1233 |
||
1234 |
//coverity[uninit_use_in_call] |
|
1235 |
TRAP_IGNORE(aBuf.AppendFormatList(aFmt,list,&overflow)); // ignore leave in TTimeOverflowLeave::Overflow() |
|
1236 |
||
1237 |
_LIT(KPrompt , "Press any key to continue\n"); |
|
1238 |
||
1239 |
return OutputStringToConsole(KPrompt,aPageSwitch,_L("%S"),&aBuf); |
|
1240 |
} |
|
1241 |
||
1242 |
TKeyCode CShell::OutputStringToConsole(const TDesC& aNotification,TBool aPageSwitch,TRefByValue<const TDesC> aFmt,...) |
|
1243 |
//function for output of a string to console aPageSwitch flag indicates that output should be page-by-page |
|
1244 |
//if aPageSwitch==ETrue user will be prompted with the message passed as aNotification |
|
1245 |
//code of key pressed will be returned as a return value |
|
1246 |
{ |
|
1247 |
//create variable to store code of the key pressed by the user |
|
1248 |
TKeyCode key=EKeyNull; |
|
1249 |
//create an object to truncate argument list substitution |
|
1250 |
SimpleOverflowTruncate overflow; |
|
1251 |
||
1252 |
VA_LIST list; |
|
1253 |
VA_START(list,aFmt); |
|
1254 |
||
6
0173bcd7697c
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1255 |
TBuf<0x200> aBuf; |
0 | 1256 |
//format output string using argumen list |
1257 |
||
1258 |
//coverity[uninit_use_in_call] |
|
1259 |
TRAP_IGNORE(aBuf.AppendFormatList(aFmt,list,&overflow)); // ignore leave in TTimeOverflowLeave::Overflow() |
|
1260 |
//if we are requested to wait for the user input at the end of each page, we check whether output of next piece of text will fit into the screen |
|
1261 |
if (aPageSwitch) |
|
1262 |
{ |
|
1263 |
key=PageSwitchDisplay(aNotification); |
|
1264 |
} |
|
1265 |
//output current string |
|
1266 |
TheConsole->Write(aBuf); |
|
1267 |
return key; |
|
1268 |
} |
|
1269 |
||
1270 |
TKeyCode CShell::OutputStringToConsole(TBool aPageSwitch, const TDesC& aBuf) |
|
1271 |
{ |
|
1272 |
_LIT(KPrompt , "Press any key to continue\n"); |
|
1273 |
||
1274 |
TKeyCode key=EKeyNull; |
|
1275 |
||
1276 |
//if we are requested to wait for the user input at the end of each page, we check whether output of next piece of text will fit into the screen |
|
1277 |
if (aPageSwitch) |
|
1278 |
{ |
|
1279 |
key = PageSwitchDisplay(KPrompt); |
|
1280 |
} |
|
1281 |
//output current string |
|
1282 |
TheConsole->Write(aBuf); |
|
1283 |
||
1284 |
return key; |
|
1285 |
} |
|
1286 |
||
1287 |
TKeyCode CShell::PageSwitchDisplay(const TDesC& aNotification) |
|
1288 |
{ |
|
1289 |
//create variable to store code of the key pressed by the user |
|
1290 |
TKeyCode key=EKeyNull; |
|
1291 |
//obtain a current cursor position |
|
1292 |
TInt line_count=TheConsole->WhereY(); |
|
1293 |
//calculate how many lines is needed to output current string in the current screen rect |
|
1294 |
TInt add=(TheConsole->WhereX()+aNotification.Length())/(TheConsole->ScreenSize().iWidth-2); |
|
1295 |
if ((TheConsole->WhereX()+aNotification.Length())%(TheConsole->ScreenSize().iWidth-2)) |
|
1296 |
{ |
|
1297 |
add+=1; |
|
1298 |
} |
|
1299 |
//if we will not fit into the screen after output of the current string, then we should prompt for the user input to start new page |
|
1300 |
TInt notification_height=aNotification.Length()/(TheConsole->ScreenSize().iWidth-2);//we provide 2 additional characters for the frame |
|
1301 |
if (aNotification.Length()%(TheConsole->ScreenSize().iWidth-2)) |
|
1302 |
{ |
|
1303 |
notification_height+=1; |
|
1304 |
} |
|
1305 |
if (add<(TheConsole->ScreenSize().iHeight-2)) |
|
1306 |
if ((line_count+add+notification_height)>=(TheConsole->ScreenSize().iHeight-4)) |
|
1307 |
{ |
|
1308 |
TInt previous_cursor_pos_x=TheConsole->WhereX(); |
|
1309 |
TheConsole->Printf(_L("%S"),&aNotification); |
|
1310 |
key=TheConsole->Getch(); |
|
1311 |
TheConsole->ClearScreen(); |
|
1312 |
TheConsole->SetCursorPosAbs(TPoint (previous_cursor_pos_x,0)) ; |
|
1313 |
} |
|
1314 |
return key; |
|
1315 |
} |