commands/load/load.cpp
author Tom Sutcliffe <thomas.sutcliffe@accenture.com>
Thu, 26 Aug 2010 00:49:35 +0100
changeset 45 534b01198c2d
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child 104 63fd51b1ff80
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.
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// load.cpp
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// 
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// Copyright (c) 2008 - 2010 Accenture. 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 "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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// Accenture - Initial contribution
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//
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#include <fshell/ioutils.h>
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using namespace IoUtils;
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class CCmdLoad : public CCommandBase
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	{
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public:
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	static CCommandBase* NewLC();
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	~CCmdLoad();
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private:
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	CCmdLoad();
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private: // From CCommandBase.
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	virtual const TDesC& Name() const;
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	virtual void DoRunL();
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	virtual void OptionsL(RCommandOptionList& aOptions);
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	virtual void ArgumentsL(RCommandArgumentList& aArguments);
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private:
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	HBufC* iDllName;
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	RArray<TUint> iUids;
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	TUint iModuleVersion;
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	RLibrary iLibrary;
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	};
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//
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// CCmdLoad.
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//
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CCommandBase* CCmdLoad::NewLC()
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	{
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	CCmdLoad* self = new(ELeave) CCmdLoad();
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	CleanupStack::PushL(self);
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	self->BaseConstructL();
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	return self;
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	}
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CCmdLoad::~CCmdLoad()
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	{
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	iLibrary.Close();
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	delete iDllName;
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	iUids.Close();
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	}
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CCmdLoad::CCmdLoad() : CCommandBase(EManualComplete)
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	{
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	}
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const TDesC& CCmdLoad::Name() const
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	{
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	_LIT(KName, "load");
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	return KName;
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	}
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void CCmdLoad::DoRunL()
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	{
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	if (iUids.Count() > 3)
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		{
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		LeaveIfErr(KErrArgument, _L("Too many UIDs specified"));
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		}
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	while (iUids.Count() < 3)
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		{
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		iUids.AppendL(KNullUid.iUid);
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		}
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	TUidType type(TUid::Uid(iUids[0]), TUid::Uid(iUids[1]), TUid::Uid(iUids[2]));
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	_LIT(KError, "Unable to load \"%S\"");
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	if (iOptions.IsPresent(&iModuleVersion))
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		{
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		LeaveIfErr(iLibrary.Load(*iDllName, KNullDesC, type, iModuleVersion), KError, iDllName);
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		}
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	else
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		{
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		LeaveIfErr(iLibrary.Load(*iDllName, type), KError, iDllName);
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		}
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	TFileName file = iLibrary.FileName();
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	TUidType uids = iLibrary.Type();
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	Printf(_L("Loaded %S\r\n"), &file);
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	Printf(_L("Uids: 0x%x, 0x%x, 0x%x\r\n"), uids[0].iUid, uids[1].iUid, uids[2].iUid);
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	}
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void CCmdLoad::OptionsL(RCommandOptionList& aOptions)
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	{
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	_LIT(KCmdOptUid, "uid");
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	aOptions.AppendUintL(iUids, KCmdOptUid);
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	_LIT(KCmdOptVersion, "version");
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	aOptions.AppendUintL(iModuleVersion, KCmdOptVersion);
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	}
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void CCmdLoad::ArgumentsL(RCommandArgumentList& aArguments)
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	{
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	_LIT(KCmdArgFileName, "dll_name");
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	aArguments.AppendStringL(iDllName, KCmdArgFileName);
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	}
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EXE_BOILER_PLATE(CCmdLoad)
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