sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // ULogger commands
sl@0: // 
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalTechnology
sl@0:  @prototype
sl@0: */
sl@0: 
sl@0: #include "uloggercommands.h"
sl@0: #include "uloggershared.h"
sl@0: using namespace Ulogger;
sl@0: 
sl@0: CCommand::CCommand(MCommandImpl* aCommandImpl)
sl@0: : iCommandImpl(aCommandImpl)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCommand::~CCommand()
sl@0: 	{
sl@0: 	iCommandsLookup.Close();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCommand* CCommand::NewL(MCommandImpl* aCommandImpl)
sl@0: 	{
sl@0: 	CCommand* obj = CCommand::NewLC(aCommandImpl);
sl@0: 	CleanupStack::Pop( obj );
sl@0: 	return obj;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCommand* CCommand::NewLC(MCommandImpl* aCommandImpl)
sl@0: 	{
sl@0: 	CCommand* obj = new (ELeave) CCommand(aCommandImpl);
sl@0: 	CleanupStack::PushL( obj );
sl@0: 	obj->ConstructL();
sl@0: 	return obj;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CCommand::ConstructL()
sl@0: 	{
sl@0: 	iVerbose = EFalse;
sl@0: 	
sl@0: 	//fill the lookup table
sl@0: 	//two command matters
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdPrimaryFilter, ESetPrimaryFilter) ); // -ef 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdSecondaryFilter, ESetSecondaryFilter) ); // -es 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdSecondaryFilterToggle, EEnableSecondaryFiltering) ); // -eS 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdSecondaryFilterToggle, EDisableSecondaryFiltering) ); // -dS 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdPluginConfigurations, ERemovePluginSettings) ); // -dc 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdOutputPlugin, EGetInstalledPlugins) ); // -lo 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdPluginConfigurations, EGetPluginSettings) ); // -lc 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdPrimaryFilter, EGetPrimaryFilters) ); // -lf 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdSecondaryFilter, EGetSecondaryFilters) ); // -ls 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdSecondaryFilterToggle, EGetSecondaryFiltering) ); // -lS 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdBuffer, EResizeTraceBuffer) ); // -eb 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdBuffer, EGetTraceBufferSize) ); // -lb 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdBufferMode, ESetBufferMode) ); // -em
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdBufferMode, EGetBufferMode) ); // -lm 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdNotification, ESetDataNotificationSize) );// -en
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdNotification, EGetDataNotificationSize) ); // -ln 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdPrimaryFilter, ERemovePrimaryFilter) ); // -df 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdSecondaryFilter, ERemoveSecondaryFilter) ); // -ds 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdPluginConfigurations, ESetPluginSettings) ); // -ec 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdOutputPlugin, ESetActivePlugin) ); // -eo 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdInputPlugin, ESetActiveInputPlugin) ); // -ei 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdInputPlugin, EDeactivateInputPlugin) ); // -di 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdInputPlugin, EGetInputPlugins) ); // -li 
sl@0: 	//only main command matters
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdStart, &KNullDesC, EStart) ); // -r 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdStop, &KNullDesC, EStop) ); // -q 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdRestart, &KNullDesC, ERestart) ); // -t   	
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdOutputPlugin, &KNullDesC, EGetActivePlugin) ); // -o 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdInputPlugin, &KNullDesC, EGetActiveInputPlugin) ); // -i 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdHelp, &KNullDesC, EHelp) ); // -h 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdMan, &KNullDesC, EManPage) ); // -H 
sl@0: 	iCommandsLookup.Append( TCommandLookup(&KCmdVersion, &KNullDesC, EVersion) ); // -version 
sl@0: 	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: This function parses commands given as a parameter and generates TCommand value.
sl@0: The function is responsible also for triggering event for MCommandImpl
sl@0: 
sl@0: @param aArgs array of arguments to parse
sl@0: @return KErrNone if commands were parsed successfully and event was triggered, system wide error code otherwise
sl@0:  */
sl@0: EXPORT_C TInt CCommand::HandleCommandL(const RArray<TPtrC>& aArgs)
sl@0: 	{	
sl@0: 	TBool optionsConsumed = EFalse;
sl@0: 	RArray<TPtrC> commands;
sl@0: 	CleanupClosePushL( commands );
sl@0: 	RBuf command;
sl@0: 	CleanupClosePushL(command);
sl@0: 	TInt maxSize=2;
sl@0: 	for(TInt k=0; k<aArgs.Count(); ++k) //calculate max command length
sl@0: 		maxSize += aArgs[k].Length();
sl@0: 	User::LeaveIfError(command.Create(maxSize));
sl@0: 	
sl@0: 	for(TInt i=0; i<aArgs.Count(); ++i)
sl@0: 		{
sl@0: 		TPtrC argPtr(aArgs[i]);
sl@0: 		
sl@0: 		//the 'version' command is the special case
sl@0: 		if(!argPtr.Mid(1).Compare(KCmdVersion))
sl@0: 			{
sl@0: 			TPtrC ptr(argPtr.Mid(1));
sl@0: 			commands.AppendL(ptr);
sl@0: 			continue;
sl@0: 			}
sl@0: 		
sl@0: 		//check if we have to parse combined commands (like -ca)
sl@0: 		//other arguments are added to new array for further processing
sl@0: 		TBuf<1> cmdChecker;
sl@0: 		cmdChecker.Copy( argPtr.Mid(0,1) );
sl@0: 		if(!cmdChecker.Compare(KCmdIndicator) && !optionsConsumed)
sl@0: 			{			
sl@0: 			//if there is option 'v' (verbose), this option shoul be removed
sl@0: 			//desc:
sl@0: 			//command data format: 'command param1 param2 paramN'
sl@0: 			//where:
sl@0: 			//command: ia string with commands letters, for example: 'lf', 'esv'
sl@0: 			//paramN: is parameter string, for example 'uloggerserialplugin'
sl@0: 			//array example: 'ec uloggerserialplugin output_port 3'
sl@0: 			
sl@0: 			for(TInt k=1; k<argPtr.Length(); ++k)
sl@0: 				{
sl@0: 				TPtrC ptr(argPtr.Mid(k,1));
sl@0: 				if(!ptr.Compare(KCmdVerboseMode))
sl@0: 					iVerbose = ETrue;
sl@0: 				else
sl@0: 					command.AppendFormat(_L("%S"), &ptr);
sl@0: 				}
sl@0: 			//put command as a first element in array
sl@0: 			if(commands.Count() > 0)
sl@0: 				{
sl@0: 				commands.Remove(0);
sl@0: 				User::LeaveIfError(commands.Insert(command, 0));
sl@0: 				}
sl@0: 			else
sl@0: 				commands.AppendL(command);
sl@0: 			
sl@0: 			
sl@0: 			optionsConsumed = ETrue;
sl@0: 			}
sl@0: 		else
sl@0: 			commands.AppendL(argPtr);
sl@0: 		}
sl@0: 	
sl@0: 	TInt errCode = PrepareCommandL( commands );	
sl@0: 	CleanupStack::PopAndDestroy(2); //command, commands
sl@0: 	return errCode;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /** This method uses lookup table to translate user readable commands into TCommand value.
sl@0: @param aArgs Array of arguments.
sl@0: @return KErrNone if command was preapared correctly and system wide error code otherwise
sl@0:  */
sl@0: TInt CCommand::PrepareCommandL(RArray<TPtrC>& aArgs)
sl@0: 	{
sl@0: 	TInt i;
sl@0: 	TInt lookupArraySize = iCommandsLookup.Count();
sl@0: 	
sl@0: 	if(aArgs.Count() == 0)
sl@0: 		return iCommandImpl->DoCommandL(EUnknown, aArgs);
sl@0: 	
sl@0: 	//first elements contains command letters
sl@0: 	TPtrC cmd(aArgs[0]);
sl@0: 	if(cmd.Length() <= KMaxNumberOfLettersInCommand) //we want precise command 
sl@0: 		{
sl@0: 		//check two arguments - 1st pass
sl@0: 		for(i=0; i<lookupArraySize; ++i)
sl@0: 			{
sl@0: 			if(cmd.Length() == 2) 
sl@0: 				if(!iCommandsLookup[i].iMainCommand->Compare(cmd.Mid(0,1)))
sl@0: 					if(!iCommandsLookup[i].iSubCommand->Compare(cmd.Mid(1,1)))
sl@0: 						{
sl@0: 						aArgs.Remove(0);
sl@0: 						return iCommandImpl->DoCommandL(iCommandsLookup[i].iCommand, aArgs);
sl@0: 						}
sl@0: 			}
sl@0: 
sl@0: 		//check two arguments - 2nd pass
sl@0: 		for(i=0; i<lookupArraySize; ++i)
sl@0: 			{
sl@0: 			//check one argument
sl@0: 			if(cmd.Length() == 1) 
sl@0: 				if(!iCommandsLookup[i].iMainCommand->Compare(cmd.Mid(0,1)))
sl@0: 					{
sl@0: 					//make sure that none of the 'two letters commands' will not be called
sl@0: 					if(iCommandsLookup[i].iSubCommand->Compare(KNullDesC))
sl@0: 						continue;
sl@0: 					aArgs.Remove(0);
sl@0: 					return iCommandImpl->DoCommandL(iCommandsLookup[i].iCommand, aArgs);
sl@0: 					}
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	return iCommandImpl->DoCommandL(EUnknown, aArgs);
sl@0: 	}
sl@0: