00001 // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies). 00002 // All rights reserved. 00003 // This component and the accompanying materials are made available 00004 // under the terms of "Eclipse Public License v1.0" 00005 // which accompanies this distribution, and is available 00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html". 00007 // 00008 // Initial Contributors: 00009 // Nokia Corporation - initial contribution. 00010 // 00011 // Contributors: 00012 // 00013 // Description: 00014 // This example shows how to use multiple resource files with cross-referenced 00015 // resources. It depends on the resource file created for the MultiRead1 project. 00016 // It introduces a second resource file, MultiRead2, which contains an LLINK 00017 // to a resource defined in the MultiRead1 project. The important point to note is 00018 // that the effect of introducing this second resource file is minimal: just 00019 // another #include file; and the logic in doExampleL() would be identical whether 00020 // the LLINK pointed to another resource in the same file or a different file. 00021 // 00022 00023 00024 00025 #include "CommonToResourceFilesEx.h" 00026 #include <multiread2.rsg> // user resources 00027 #include "MultiRead.h" // definition of multi-resource-reader class 00028 00029 // Do the example 00030 void doExampleL() 00031 { 00032 _LIT(KFormat,"%S\n"); 00033 00034 // allocate multi-reader 00035 CMultipleResourceFileReader* multiReader = 00036 CMultipleResourceFileReader::NewLC(); 00037 00038 // open resource file on the emulator(__WINS__ is defined for the Windows emulator) 00039 // (leave if error) 00040 #if defined(__WINS__) 00041 // add MultiRead1 version 23 00042 _LIT(KZSystemDataBasigbRsc,"Z:\\Resource\\apps\\MultiRead1.rsc"); 00043 multiReader->AddResourceFileL(KZSystemDataBasigbRsc,23); 00044 // add MultiRead2 version 17 00045 _LIT(KZSystemDataBasiguRsc,"Z:\\Resource\\apps\\MultiRead2.rsc"); 00046 multiReader->AddResourceFileL(KZSystemDataBasiguRsc,17); 00047 #endif 00048 00049 // open a resource file on the target phone 00050 // ( __EPOC32__ is defined for all target hardware platforms regardless of processor type/hardware architecture) 00051 #if defined(__EPOC32__) 00052 // add MultiRead1 version 23 00053 _LIT(KCSystemDataBasigbRsc,"Z:\\Resource\\apps\\MultiRead1.rsc"); 00054 multiReader->AddResourceFileL(KCSystemDataBasigbRsc,23); 00055 00056 // add MultiRead2 version 17 00057 _LIT(KCSystemDataBasiguRsc,"Z:\\Resource\\apps\\MultiRead2.rsc"); 00058 multiReader->AddResourceFileL(KCSystemDataBasiguRsc,17); 00059 #endif 00060 00061 // read resource that returns a reference to another resource 00062 HBufC8* refBuffer=multiReader->AllocReadLC(R_USER_HELLOREF); 00063 TResourceReader theReader; 00064 theReader.SetBuffer(refBuffer); 00065 TInt referencedId=theReader.ReadInt32(); // treat resource as integer 00066 CleanupStack::PopAndDestroy(); // refBuffer 00067 // read the other resource 00068 HBufC8* dataBuffer=multiReader->AllocReadLC(referencedId); 00069 TResourceReader reader; 00070 reader.SetBuffer(dataBuffer); 00071 TPtrC textdata = reader.ReadTPtrC(); 00072 00073 // write string to test console 00074 console->Printf(KFormat, &textdata); 00075 // clean up data buffer 00076 CleanupStack::PopAndDestroy(); // finished with dataBuffer 00077 // cleanup multi-reader 00078 CleanupStack::PopAndDestroy(); // multi-reader 00079 }
1.6.2