--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarks/locationlandmarks/converter/src/EPos_PosLmUnzipUtil.cpp	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,109 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Helper class for unzipping KMZ file.
+*
+*
+*/
+
+
+#include "EPos_PosLmUnzipUtil.h"
+
+
+const TInt KMaxDirName = 255;
+_LIT(KExtractZipPath, "extracts\\");
+
+
+
+void PosLmUnzipUtil::DoUnzipL(const TDesC& aPath) 
+{
+	RFs fs; 
+	User::LeaveIfError(fs.Connect()); //Connect to file session
+	CleanupClosePushL(fs);
+	TFileName dirFileName(aPath);
+	UnzipFileL(fs, &dirFileName);
+	CleanupStack::PopAndDestroy(&fs);
+
+
+
+}
+
+void PosLmUnzipUtil::UnzipFileL(RFs& aFs, TFileName* aFileName) 
+{
+	CZipFile* zipFile = NULL;
+	CZipFileMember* member = NULL;
+	CZipFileMemberIterator* fileMembers = NULL;
+	zipFile = CZipFile::NewL(aFs,*aFileName);
+	CleanupStack::PushL(zipFile);
+	User::LeaveIfError(zipFile->OpenL());
+	fileMembers = zipFile->GetMembersL();
+	CleanupStack::PushL(fileMembers);
+	while (member = fileMembers->NextL()) 
+	{
+	//You must take ownership of the member object created for you by NextL()!
+	CleanupStack::PushL(member);
+	ExtractFileL(aFs, member, zipFile, aFileName);
+	
+	CleanupStack::PopAndDestroy(); //member
+	}
+	zipFile->Close();
+	CleanupStack::PopAndDestroy(2); //fileMembers, zipFile
+}
+
+void PosLmUnzipUtil::ExtractFileL(RFs& aFs, CZipFileMember* aMember, CZipFile* aZipFile, TFileName* aFileName) 
+{
+	TInt loop=0;
+	HBufC* name = aMember->Name()->AllocLC();
+	// Change any instances of '/' to '\' in zipped file paths
+	while (loop < name->Length()) 
+	{
+		if ((*name)[loop] == '/') 
+		{
+			name->Des()[loop] = '\\';
+		}
+		loop++;
+	}
+	//set target path
+	TBuf<KMaxDirName> privatePath;
+	aFs.PrivatePath(privatePath);
+	TFileName fn;
+	fn.Append(privatePath);
+	fn.Append(KExtractZipPath);
+	fn.Append(*name);
+	
+	//create target path if not exist.
+	TInt err = aFs.MkDirAll(fn);
+	if (err != KErrNone && err != KErrAlreadyExists) 
+	{
+		User::Leave(err);
+	}
+	RFile expandedMember;
+	User::LeaveIfError(expandedMember.Replace(aFs, fn, EFileShareAny|EFileWrite));
+	CleanupClosePushL(expandedMember);
+	RZipFileMemberReaderStream* fileStream; 
+	
+	// KCompressionMethodNotSupported is possible in decompressing file here
+	User::LeaveIfError(aZipFile->GetInputStreamL(aMember, fileStream));
+	CleanupStack::PushL(fileStream); 
+	
+	// Assume file contents are 8-bit data
+	TUint32 size = aMember->UncompressedSize();
+	HBufC8* bytes = HBufC8::NewLC(size);
+	TPtr8 ptr = bytes->Des(); //Obtain a modifiable descriptor
+	fileStream->Read(ptr, size); 
+	// save the unzipped contents to file
+	User::LeaveIfError(expandedMember.Write(ptr));
+	expandedMember.Close();
+	CleanupStack::PopAndDestroy(4); //bytes, fileStream, expandedMember, name
+}
+