1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include <zipfile.h>

    17 

    18 #include "unzip.h"

    19 

    20 CUnzip::CUnzip(RFs& aFs, const TDesC& aFileName) : iZipFile(aFileName), iFs(aFs) 

    21 	{

    22 	}

    23 

    24 CUnzip::~CUnzip()

    25 	{

    26 	delete iZip;

    27 	}

    28 

    29 EXPORT_C CUnzip* CUnzip::NewLC(RFs& aFs, const TDesC& aFileName)

    30 	{

    31 	CUnzip* self = new(ELeave) CUnzip(aFs, aFileName);

    32 	CleanupStack::PushL(self);

    33 	self->iZip = CZipFile::NewL(self->iFs, self->iZipFile);

    34 	return self;

    35 	}

    36 

    37 

    38 EXPORT_C void CUnzip::ExtractL(const TDesC& aOutDir)

    39 	{

    40 	CZipFileMemberIterator*	members = iZip->GetMembersL();

    41 	CleanupStack::PushL(members);

    42 	

    43 	CZipFileMember* member = members->NextL();

    44 	while (member)

    45 		{

    46 		CleanupStack::PushL(member);

    47 		ExtractFileL(member, aOutDir);

    48 		CleanupStack::PopAndDestroy(member); 

    49 		member = members->NextL();

    50 		}

    51 

    52 	CleanupStack::PopAndDestroy(members); 

    53 	}

    54 

    55 

    56 void CUnzip::ExtractFileL(const CZipFileMember* aMember, const TDesC& aOutDir)

    57 	{

    58 	HBufC* name = aMember->Name()->AllocLC();

    59 	for (TInt i = 0; i<name->Length(); i++)

    60 		{

    61 		if ((*name)[i] == '/')

    62 			{

    63 			name->Des()[i] = '\\';

    64 			}

    65 		}

    66 	

    67 	TFileName outFile;

    68 	outFile.Append(aOutDir);

    69 	outFile.Append('\\');

    70 	outFile.Append(*name);

    71 	

    72 	RFile out;

    73 	CleanupClosePushL(out);

    74 

    75 	iFs.MkDirAll(outFile);

    76 	TInt retVal = out.Replace(iFs, outFile, EFileShareAny|EFileWrite);

    77 	if(retVal != KErrNone)

    78 		{

    79 		//Could be a directory name which we are planning to write to.

    80   		CleanupStack::PopAndDestroy(2,name); //out, name

    81   		out.Close();

    82   		return;

    83   		}

    84 

    85 	RZipFileMemberReaderStream* fileStream;

    86 	TInt error = iZip->GetInputStreamL(aMember, fileStream);

    87 	if (error != KErrNone)

    88 		{

    89 		iFs.Delete(outFile);

    90 		User::Leave(error);

    91 		}

    92 	CleanupStack::PushL(fileStream);

    93 

    94 	TUint32 size = aMember->UncompressedSize();

    95 	HBufC8* bytes = HBufC8::New(size);

    96 	CleanupStack::PushL(bytes);

    97 	TPtr8 ptr = bytes->Des();

    98 	User::LeaveIfError(fileStream->Read(ptr,size));

    99 	User::LeaveIfError(out.Write(ptr));

   100 	CleanupStack::PopAndDestroy(4,name); // bytes, fileStream, out and name

   101 	}