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// Copyright (c) 2007-2009 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 "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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// ULogger commands
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//
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//
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/**
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@file
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@internalTechnology
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@prototype
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*/
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#include "uloggercommands.h"
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#include "uloggershared.h"
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using namespace Ulogger;
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CCommand::CCommand(MCommandImpl* aCommandImpl)
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: iCommandImpl(aCommandImpl)
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{
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}
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EXPORT_C CCommand::~CCommand()
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{
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iCommandsLookup.Close();
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}
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EXPORT_C CCommand* CCommand::NewL(MCommandImpl* aCommandImpl)
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{
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CCommand* obj = CCommand::NewLC(aCommandImpl);
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CleanupStack::Pop( obj );
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return obj;
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}
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EXPORT_C CCommand* CCommand::NewLC(MCommandImpl* aCommandImpl)
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{
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CCommand* obj = new (ELeave) CCommand(aCommandImpl);
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CleanupStack::PushL( obj );
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obj->ConstructL();
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return obj;
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}
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EXPORT_C void CCommand::ConstructL()
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{
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iVerbose = EFalse;
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//fill the lookup table
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//two command matters
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iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdPrimaryFilter, ESetPrimaryFilter) ); // -ef
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iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdSecondaryFilter, ESetSecondaryFilter) ); // -es
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iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdSecondaryFilterToggle, EEnableSecondaryFiltering) ); // -eS
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iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdSecondaryFilterToggle, EDisableSecondaryFiltering) ); // -dS
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iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdPluginConfigurations, ERemovePluginSettings) ); // -dc
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iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdOutputPlugin, EGetInstalledPlugins) ); // -lo
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iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdPluginConfigurations, EGetPluginSettings) ); // -lc
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iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdPrimaryFilter, EGetPrimaryFilters) ); // -lf
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iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdSecondaryFilter, EGetSecondaryFilters) ); // -ls
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iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdSecondaryFilterToggle, EGetSecondaryFiltering) ); // -lS
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iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdBuffer, EResizeTraceBuffer) ); // -eb
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iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdBuffer, EGetTraceBufferSize) ); // -lb
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iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdBufferMode, ESetBufferMode) ); // -em
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iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdBufferMode, EGetBufferMode) ); // -lm
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iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdNotification, ESetDataNotificationSize) );// -en
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iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdNotification, EGetDataNotificationSize) ); // -ln
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iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdPrimaryFilter, ERemovePrimaryFilter) ); // -df
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iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdSecondaryFilter, ERemoveSecondaryFilter) ); // -ds
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iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdPluginConfigurations, ESetPluginSettings) ); // -ec
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iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdOutputPlugin, ESetActivePlugin) ); // -eo
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iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdInputPlugin, ESetActiveInputPlugin) ); // -ei
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iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdInputPlugin, EDeactivateInputPlugin) ); // -di
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iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdInputPlugin, EGetInputPlugins) ); // -li
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//only main command matters
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iCommandsLookup.Append( TCommandLookup(&KCmdStart, &KNullDesC, EStart) ); // -r
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iCommandsLookup.Append( TCommandLookup(&KCmdStop, &KNullDesC, EStop) ); // -q
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iCommandsLookup.Append( TCommandLookup(&KCmdRestart, &KNullDesC, ERestart) ); // -t
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iCommandsLookup.Append( TCommandLookup(&KCmdOutputPlugin, &KNullDesC, EGetActivePlugin) ); // -o
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iCommandsLookup.Append( TCommandLookup(&KCmdInputPlugin, &KNullDesC, EGetActiveInputPlugin) ); // -i
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iCommandsLookup.Append( TCommandLookup(&KCmdHelp, &KNullDesC, EHelp) ); // -h
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iCommandsLookup.Append( TCommandLookup(&KCmdMan, &KNullDesC, EManPage) ); // -H
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iCommandsLookup.Append( TCommandLookup(&KCmdVersion, &KNullDesC, EVersion) ); // -version
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}
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/**
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This function parses commands given as a parameter and generates TCommand value.
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The function is responsible also for triggering event for MCommandImpl
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@param aArgs array of arguments to parse
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@return KErrNone if commands were parsed successfully and event was triggered, system wide error code otherwise
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*/
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EXPORT_C TInt CCommand::HandleCommandL(const RArray<TPtrC>& aArgs)
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{
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TBool optionsConsumed = EFalse;
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RArray<TPtrC> commands;
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CleanupClosePushL( commands );
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RBuf command;
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CleanupClosePushL(command);
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TInt maxSize=2;
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for(TInt k=0; k<aArgs.Count(); ++k) //calculate max command length
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maxSize += aArgs[k].Length();
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User::LeaveIfError(command.Create(maxSize));
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for(TInt i=0; i<aArgs.Count(); ++i)
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{
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TPtrC argPtr(aArgs[i]);
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//the 'version' command is the special case
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if(!argPtr.Mid(1).Compare(KCmdVersion))
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{
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TPtrC ptr(argPtr.Mid(1));
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commands.AppendL(ptr);
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continue;
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}
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//check if we have to parse combined commands (like -ca)
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//other arguments are added to new array for further processing
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TBuf<1> cmdChecker;
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cmdChecker.Copy( argPtr.Mid(0,1) );
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if(!cmdChecker.Compare(KCmdIndicator) && !optionsConsumed)
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{
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//if there is option 'v' (verbose), this option shoul be removed
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//desc:
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//command data format: 'command param1 param2 paramN'
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//where:
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//command: ia string with commands letters, for example: 'lf', 'esv'
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//paramN: is parameter string, for example 'uloggerserialplugin'
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//array example: 'ec uloggerserialplugin output_port 3'
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for(TInt k=1; k<argPtr.Length(); ++k)
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{
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TPtrC ptr(argPtr.Mid(k,1));
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if(!ptr.Compare(KCmdVerboseMode))
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iVerbose = ETrue;
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else
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command.AppendFormat(_L("%S"), &ptr);
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}
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//put command as a first element in array
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if(commands.Count() > 0)
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{
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commands.Remove(0);
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User::LeaveIfError(commands.Insert(command, 0));
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}
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else
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commands.AppendL(command);
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optionsConsumed = ETrue;
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}
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else
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commands.AppendL(argPtr);
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}
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TInt errCode = PrepareCommandL( commands );
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CleanupStack::PopAndDestroy(2); //command, commands
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return errCode;
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}
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/** This method uses lookup table to translate user readable commands into TCommand value.
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@param aArgs Array of arguments.
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@return KErrNone if command was preapared correctly and system wide error code otherwise
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*/
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TInt CCommand::PrepareCommandL(RArray<TPtrC>& aArgs)
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{
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TInt i;
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TInt lookupArraySize = iCommandsLookup.Count();
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if(aArgs.Count() == 0)
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return iCommandImpl->DoCommandL(EUnknown, aArgs);
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//first elements contains command letters
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TPtrC cmd(aArgs[0]);
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if(cmd.Length() <= KMaxNumberOfLettersInCommand) //we want precise command
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{
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//check two arguments - 1st pass
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for(i=0; i<lookupArraySize; ++i)
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{
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if(cmd.Length() == 2)
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if(!iCommandsLookup[i].iMainCommand->Compare(cmd.Mid(0,1)))
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if(!iCommandsLookup[i].iSubCommand->Compare(cmd.Mid(1,1)))
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{
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aArgs.Remove(0);
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return iCommandImpl->DoCommandL(iCommandsLookup[i].iCommand, aArgs);
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}
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}
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//check two arguments - 2nd pass
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for(i=0; i<lookupArraySize; ++i)
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{
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//check one argument
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if(cmd.Length() == 1)
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if(!iCommandsLookup[i].iMainCommand->Compare(cmd.Mid(0,1)))
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{
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//make sure that none of the 'two letters commands' will not be called
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if(iCommandsLookup[i].iSubCommand->Compare(KNullDesC))
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continue;
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aArgs.Remove(0);
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return iCommandImpl->DoCommandL(iCommandsLookup[i].iCommand, aArgs);
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}
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}
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}
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return iCommandImpl->DoCommandL(EUnknown, aArgs);
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}
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