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/*
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* Copyright (c) 2010 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: Handles the commands "AT+CLAC?" and "AT+CLAC"
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*
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*/
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#include "lclistallcmd.h"
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#include "debug.h"
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const TInt KCrLfLength = 2; // CR+LF
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const TInt KOkReplyLength = 6; // CR+LF+"OK"+CR+LF
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_LIT8( KClacCmd, "AT+CLAC" );
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// ---------------------------------------------------------------------------
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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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CLcListAllCmd* CLcListAllCmd::NewL( MLcCustomPlugin* aCallback )
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{
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CLcListAllCmd* self = new (ELeave) CLcListAllCmd( aCallback );
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop( self );
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return self;
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}
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// ---------------------------------------------------------------------------
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// Destructor.
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// ---------------------------------------------------------------------------
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//
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CLcListAllCmd::~CLcListAllCmd()
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{
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}
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// ---------------------------------------------------------------------------
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// CLcListAllCmd::CLcListAllCmd
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// ---------------------------------------------------------------------------
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//
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CLcListAllCmd::CLcListAllCmd( MLcCustomPlugin* aCallback ) :
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iCallback( aCallback )
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{
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iCmdHandlerType = ECmdHandlerTypeUndefined;
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}
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// ---------------------------------------------------------------------------
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// CLcListAllCmd::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CLcListAllCmd::ConstructL()
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{
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if ( !iCallback )
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{
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User::Leave( KErrGeneral );
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}
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}
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// ---------------------------------------------------------------------------
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// Checks command types
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// ---------------------------------------------------------------------------
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//
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TBool CLcListAllCmd::CheckCommand( const TDesC8& aCmd )
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{
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TRACE_FUNC_ENTRY
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// The AT+CLAC command supports two types: base and test
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iCmdHandlerType = iCallback->CheckCommandType( KClacCmd, aCmd );
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if ( iCmdHandlerType==ECmdHandlerTypeBase ||
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iCmdHandlerType==ECmdHandlerTypeTest )
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{
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iDetectedCmd = EDetectedCmdCLAC;
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TRACE_FUNC_EXIT
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return ETrue;
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}
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TRACE_FUNC_EXIT
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return EFalse;
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}
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// ---------------------------------------------------------------------------
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// Reports the support status of an AT command. This is a synchronous API.
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// ---------------------------------------------------------------------------
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//
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TBool CLcListAllCmd::IsCommandSupported( const TDesC8& aCmd )
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{
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TRACE_FUNC_ENTRY
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// Set all to undefined if either the command or its type is unknown
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// HandleCommand() should be round only when both are set
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TBool cmdUnderstood = CheckCommand( aCmd );
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if ( cmdUnderstood )
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{
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TRACE_FUNC_EXIT
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return ETrue;
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}
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iCmdHandlerType = ECmdHandlerTypeUndefined;
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iDetectedCmd = EDetectedCmdUndefined;
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TRACE_FUNC_EXIT
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return EFalse;
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}
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// ---------------------------------------------------------------------------
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// Handles an AT command. Cancelling of the pending request is done by
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// HandleCommandCancel(). The implementation in the extension plugin should
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// be asynchronous.
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// ---------------------------------------------------------------------------
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//
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void CLcListAllCmd::HandleCommand( const TDesC8& /*aCmd*/,
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RBuf8& /*aReply*/,
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TBool aReplyNeeded )
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{
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TRACE_FUNC_ENTRY
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if ( !aReplyNeeded )
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{
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TRACE_FUNC_EXIT
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return;
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}
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if ( iCmdHandlerType == ECmdHandlerTypeTest )
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{
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iCallback->CreateReplyAndComplete( EReplyTypeOk );
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TRACE_FUNC_EXIT
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return;
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}
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// Else here means ECmdHandlerTypeBase
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// First check the quiet mode and verbose mode.
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// These are handled in CreateReplyAndComplete()
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TInt retTemp;
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TBool quietMode = EFalse;
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retTemp = iCallback->GetModeValue( EModeTypeQuiet, quietMode );
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if ( retTemp != KErrNone )
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{
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iCallback->CreateReplyAndComplete( EReplyTypeError );
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TRACE_FUNC_EXIT
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return;
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}
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RBuf8 reply;
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TBool error = CreateSupportedList( reply );
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if ( error )
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{
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iCallback->CreateReplyAndComplete( EReplyTypeError );
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reply.Close();
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TRACE_FUNC_EXIT
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return;
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}
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RBuf8 okReply;
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iCallback->CreateOkOrErrorReply( okReply, ETrue );
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reply.Append( okReply );
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okReply.Close();
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iCallback->CreateReplyAndComplete( EReplyTypeOther, reply );
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reply.Close();
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TRACE_FUNC_EXIT
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}
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// ---------------------------------------------------------------------------
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// Cancels a pending HandleCommand request.
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// ---------------------------------------------------------------------------
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//
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void CLcListAllCmd::HandleCommandCancel()
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{
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TRACE_FUNC_ENTRY
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TRACE_FUNC_EXIT
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}
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// ---------------------------------------------------------------------------
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// Creates a linearized list of supported commands
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// ---------------------------------------------------------------------------
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//
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TBool CLcListAllCmd::CreateSupportedList( RBuf8& aReply )
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{
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TRACE_FUNC_ENTRY
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// First get the unsorted list from ATEXT
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RPointerArray<HBufC8> commands;
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iCallback->GetSupportedCommands( commands );
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// Next linearize the list for a reply
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if ( commands.Count() <= 0 )
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{
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commands.Close();
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TRACE_FUNC_EXIT
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return EFalse;
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}
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TInt i;
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TInt linearSize = KOkReplyLength;
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TInt count = commands.Count();
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for ( i=0; i<count; i++ )
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{
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linearSize += (*commands[i]).Length();
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if ( i < count-1 )
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{
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linearSize += KCrLfLength;
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}
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}
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linearSize += KCrLfLength;
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// Now we have the length of the linear region,
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// use that to create the reply
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TChar carriageReturn;
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TChar lineFeed;
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TInt retTemp;
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retTemp = aReply.Create( linearSize );
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retTemp |= iCallback->GetCharacterValue( ECharTypeCR, carriageReturn );
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retTemp |= iCallback->GetCharacterValue( ECharTypeLF, lineFeed );
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if ( retTemp != KErrNone )
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{
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commands.ResetAndDestroy();
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commands.Close();
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TRACE_FUNC_EXIT
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return ETrue;
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}
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for ( i=0; i<count; i++ )
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{
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aReply.Append( *commands[i] );
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if ( i < count-1 )
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{
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aReply.Append( carriageReturn );
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aReply.Append( lineFeed );
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}
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}
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aReply.Append( carriageReturn );
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aReply.Append( lineFeed );
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// Delete the array as it is no longer needed
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commands.ResetAndDestroy();
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commands.Close();
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TRACE_FUNC_EXIT
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return EFalse;
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}
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