os/ossrv/lowlevellibsandfws/pluginfw/Framework/T_PlatSecResolver/T_SecResolver.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/lowlevellibsandfws/pluginfw/Framework/T_PlatSecResolver/T_SecResolver.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,176 @@
1.4 +/*
1.5 +* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description:
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +/**
1.23 + @internalComponent
1.24 + @file
1.25 + Comments : Implements a non-default resolver CPlatSecResolver.
1.26 +
1.27 + */
1.28 +
1.29 +#include <ecom/ecom.h>
1.30 +#include "ImplementationProxy.h"
1.31 +#include "T_SecResolver.h"
1.32 +#include "RegistryData.h"
1.33 +
1.34 +CPlatSecResolver* CPlatSecResolver::NewL(MPublicRegistry& aRegistry)
1.35 + {
1.36 + return new(ELeave) CPlatSecResolver(aRegistry);
1.37 + }
1.38 +
1.39 +CPlatSecResolver::~CPlatSecResolver()
1.40 + {
1.41 + if(iImplementationInfoArray)
1.42 + {
1.43 + iImplementationInfoArray->Reset();
1.44 + delete iImplementationInfoArray;
1.45 + }
1.46 + }
1.47 +
1.48 +CPlatSecResolver::CPlatSecResolver(MPublicRegistry& aRegistry)
1.49 +: CResolver(aRegistry)
1.50 + {
1.51 + // Do nothing here
1.52 + }
1.53 +
1.54 +TUid CPlatSecResolver::IdentifyImplementationL(TUid aInterfaceUid,
1.55 + const TEComResolverParams& aAdditionalParameters)const
1.56 +
1.57 + {
1.58 + RImplInfoArray& implementationsInfo = iRegistry.ListImplementationsL(aInterfaceUid);
1.59 + TUid found = KNullUid;
1.60 + if(implementationsInfo.Count())
1.61 + {
1.62 + found = Resolve(implementationsInfo, aAdditionalParameters);
1.63 + }
1.64 + return found;
1.65 + }
1.66 +
1.67 +TUid CPlatSecResolver::Resolve(const RImplInfoArray& aImplementationsInfo,
1.68 + const TEComResolverParams& aAdditionalParameters) const
1.69 + {
1.70 + // Loop through the implementations matching on type
1.71 + const TInt count = aImplementationsInfo.Count();
1.72 + for(TInt index = 0; index < count; ++index)
1.73 + {
1.74 + const CImplementationInformation& impData = *aImplementationsInfo[index];
1.75 + // As soon as we get a match on the datatype then return uid of the
1.76 + // implementation found.
1.77 + if (Match(impData.DataType(), // The Datatype of this implementation
1.78 + aAdditionalParameters.DataType(), // The type we are trying to find
1.79 + aAdditionalParameters.IsGenericMatch())) // If wildcards should be used
1.80 + return impData.ImplementationUid();
1.81 + }
1.82 +
1.83 + return KNullUid;
1.84 + }
1.85 +
1.86 +RImplInfoArray* CPlatSecResolver::ListAllL(TUid aInterfaceUid,
1.87 + const TEComResolverParams& aAdditionalParameters) const
1.88 + {
1.89 + // Use the member var to create the array so that we get proper cleanup behaviour
1.90 + iImplementationInfoArray = new(ELeave) RImplInfoArray;
1.91 + RImplInfoArray* retList = iImplementationInfoArray;
1.92 +
1.93 + RImplInfoArray& fullList = iRegistry.ListImplementationsL(aInterfaceUid);
1.94 +
1.95 + const TBool useWildcards = aAdditionalParameters.IsGenericMatch();
1.96 + const TDesC8& matchType = aAdditionalParameters.DataType();
1.97 + const TInt numImps = fullList.Count();
1.98 + for(TInt index = 0; index < numImps; ++index)
1.99 + {
1.100 + if(Match(fullList[index]->DataType(), matchType, useWildcards))
1.101 + {
1.102 + User::LeaveIfError(retList->Append(fullList[index]));
1.103 + }
1.104 + }
1.105 +
1.106 + // Reset the member variable because we are passing ownership back
1.107 + iImplementationInfoArray = NULL;
1.108 + return retList;
1.109 + }
1.110 +
1.111 +TBool CPlatSecResolver::Match(const TDesC8& aImplementationType,
1.112 + const TDesC8& aMatchType,
1.113 + TBool aUseWildcards) const
1.114 + {
1.115 + TInt matchPos = KErrNotFound;
1.116 +
1.117 + _LIT8(dataSeparator, "||");
1.118 + const TInt separatorLength = dataSeparator().Length();
1.119 +
1.120 + // Look for the section separator marker '||'
1.121 + TInt separatorPos = aImplementationType.Find(dataSeparator);
1.122 + if(separatorPos == KErrNotFound)
1.123 + {
1.124 + // Match against the whole string
1.125 + if(aUseWildcards)
1.126 + matchPos = aMatchType.Match(aImplementationType);
1.127 + else
1.128 + matchPos = aMatchType.Compare(aImplementationType);
1.129 + }
1.130 + else
1.131 + {
1.132 + // Find the first section, up to the separator
1.133 + TPtrC8 dataSection = aImplementationType.Left(separatorPos);
1.134 + TPtrC8 remainingData = aImplementationType.Mid(separatorPos + separatorLength);
1.135 + // Match against each section in turn
1.136 + while(separatorPos != KErrNotFound)
1.137 + {
1.138 + // Search this section
1.139 + if(aUseWildcards)
1.140 + matchPos = aMatchType.Match(dataSection);
1.141 + else
1.142 + matchPos = aMatchType.Compare(dataSection);
1.143 +
1.144 + // If we found it then no need to continue, so return
1.145 + if(matchPos != KErrNotFound)
1.146 + return ETrue;
1.147 +
1.148 + // Move on to the next section
1.149 + separatorPos = remainingData.Find(dataSeparator);
1.150 + if(separatorPos != KErrNotFound)
1.151 + {
1.152 + dataSection.Set(remainingData.Left(separatorPos));
1.153 + remainingData.Set(remainingData.Mid(separatorPos + separatorLength));
1.154 + }
1.155 + else
1.156 + dataSection.Set(remainingData);
1.157 + }
1.158 +
1.159 + // Check the final part
1.160 + if(aUseWildcards)
1.161 + matchPos = aMatchType.Match(dataSection);
1.162 + else
1.163 + matchPos = aMatchType.Compare(dataSection);
1.164 +
1.165 + }
1.166 + return matchPos != KErrNotFound;
1.167 + }
1.168 +
1.169 +const TImplementationProxy ImplementationTable[] =
1.170 + {
1.171 + IMPLEMENTATION_PROXY_ENTRY(0x102026AC, CPlatSecResolver::NewL)
1.172 + };
1.173 +
1.174 +EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
1.175 + {
1.176 + aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
1.177 + return ImplementationTable;
1.178 + }
1.179 +