commands/variant/variant.cpp
author Tom Sutcliffe <thomas.sutcliffe@accenture.com>
Thu, 26 Aug 2010 00:49:35 +0100
changeset 45 534b01198c2d
parent 0 7f656887cf89
child 49 4a2ffd3562a3
permissions -rw-r--r--
Added ENotifyKeypresses and ECaptureCtrlC flags to CCommandBase. Commands can now get keypresses and handle ctrl-C via callbacks instead of having to implement custom active objects. As part of this extended the CCommandBase extension interface to MCommandExtensionsV2 for the new virtual functions KeyPressed(TUint aKeyCode, TUint aModifiers) and CtrlCPressed(). sudo now cleans up correctly by using ECaptureCtrlC.

// variant.cpp
// 
// Copyright (c) 2008 - 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 <hal.h>
#include "variant.h"
#include <fshell/descriptorutils.h>

//
// CCmdVariant
//
CCommandBase* CCmdVariant::NewLC()
	{
	CCmdVariant* self = new (ELeave) CCmdVariant();
	CleanupStack::PushL(self);
	self->BaseConstructL();
	return self;
	}

CCmdVariant::~CCmdVariant()
	{
	iVariant.ResetAndDestroy();
	}

CCmdVariant::CCmdVariant() : 
CCommandBase(CCommandBase::EManualComplete)
	{
	}

const TDesC& CCmdVariant::Name() const
	{
	_LIT(KName, "variant");	
	return KName;
	}

//
// CCmdVariant::DoRunL
// looks for a match between the variant uids specified via the command line and the
// actual variant uid of the device
//

struct TVariant
	{
	TInt iUid;
	LtkUtils::SLitC iName;
	};

// Only shipping products or established reference hardware platforms in here please.
// Unannounced protos should have their platform build its own variant.exe to identify their hardware,
// alternatively people have to rely on doing a "variant --uid xyz" whichever is preferred by the platform
const TVariant KMachineIdVariants[] = {
	{ 0x102734E3, DESC("h4") },
	{ 0x10286564, DESC("h6") },
	{ 0x102864F7, DESC("naviengine") },
	{ 0x20002D82, DESC("n96") },
	{ 0x20002496, DESC("e90") },
	{ 0x20002D7E, DESC("6120") },
	{ 0x20002D83, DESC("n81") },
	{ 0x2000DA56, DESC("5800") },
	{ 0x2001F0A1, DESC("satio") }, // I assume this is what it shipped with...
	{ 0x20029a73, DESC("n8") }, // Likewise...
	};
const TInt KMachineIdVariantCount = sizeof(KMachineIdVariants) / sizeof(TVariant);

void CCmdVariant::DoRunL()
	{
	if (iMachineId.Count() == 0 && iVariant.Count() == 0)
		{
		LeaveIfErr(KErrArgument, _L("You must specify at least one <variantname> argument or --uid option"));
		}

	TInt localMachineUid = GetMachineUidL();
	TBool match = EFalse;
	if (iMachineId.Count())
		{
		for (TInt i = 0; i < iMachineId.Count(); i++)
			{
			if (iMachineId[i] == (TUint)localMachineUid)
				{
				match = ETrue;
				break;
				}
			}
		}

	if (iVariant.Count())
		{
		for (TInt i = 0; match == EFalse && i < iVariant.Count(); i++)
			{
			for (TInt j = 0; match == EFalse && j < KMachineIdVariantCount; j++)
				{
				if (iVariant[i]->CompareF(KMachineIdVariants[j].iName) == 0 && localMachineUid == KMachineIdVariants[j].iUid)
					{
					match = ETrue;
					}
				}
#ifdef __WINS__
			if (iVariant[i]->CompareF(_L("wins")) == 0) match = ETrue;
#else
			if (iVariant[i]->CompareF(_L("target")) == 0) match = ETrue;
#endif
			}
		}

	if (iVerbose)
		{
		if (match)
			{
			Printf(_L("Specified variant supported\r\n"));
			}
		else
			{
			PrintError(KErrNotSupported, _L("Specified variant not supported"));
			}
		}

	SetErrorReported(ETrue); // Don't show the error
	Complete(match ? KErrNone : KErrNotSupported);
	}

void CCmdVariant::ArgumentsL(RCommandArgumentList& aArguments)
	{
	aArguments.AppendStringL(iVariant, _L("variantname"));
	}

void CCmdVariant::OptionsL(RCommandOptionList& aOptions)
	{
	_LIT(KCmdOptUid, "uid");
	aOptions.AppendUintL(iMachineId, KCmdOptUid);
	_LIT(KOptVerbose, "verbose");
	aOptions.AppendBoolL(iVerbose, KOptVerbose);
	}

//
// CCmdVariant::GetMachineUidL
// retrieve the variant's machine uid
//
TInt CCmdVariant::GetMachineUidL()
	{
	TInt value = KErrNotSupported;
	User::LeaveIfError(HAL::Get(HALData::EMachineUid, value));
	return value;
	}
	
EXE_BOILER_PLATE(CCmdVariant)