459 lines
16 KiB
C++
459 lines
16 KiB
C++
/*************************************************************************
|
|
*
|
|
* $RCSfile: ZipOutputStream.cxx,v $
|
|
*
|
|
* $Revision: 1.24 $
|
|
*
|
|
* last change: $Author: mtg $ $Date: 2001-04-19 14:13:40 $
|
|
*
|
|
* The Contents of this file are made available subject to the terms of
|
|
* either of the following licenses
|
|
*
|
|
* - GNU Lesser General Public License Version 2.1
|
|
* - Sun Industry Standards Source License Version 1.1
|
|
*
|
|
* Sun Microsystems Inc., October, 2000
|
|
*
|
|
* GNU Lesser General Public License Version 2.1
|
|
* =============================================
|
|
* Copyright 2000 by Sun Microsystems, Inc.
|
|
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
*
|
|
* Sun Industry Standards Source License Version 1.1
|
|
* =================================================
|
|
* The contents of this file are subject to the Sun Industry Standards
|
|
* Source License Version 1.1 (the "License"); You may not use this file
|
|
* except in compliance with the License. You may obtain a copy of the
|
|
* License at http://www.openoffice.org/license.html.
|
|
*
|
|
* Software provided under this License is provided on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
|
|
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
|
|
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
|
|
* See the License for the specific provisions governing your rights and
|
|
* obligations concerning the Software.
|
|
*
|
|
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
|
|
*
|
|
* Copyright: 2000 by Sun Microsystems, Inc.
|
|
*
|
|
* All Rights Reserved.
|
|
*
|
|
* Contributor(s): Martin Gallwey (gallwey@sun.com)
|
|
*
|
|
*
|
|
************************************************************************/
|
|
#ifndef _ZIP_OUTPUT_STREAM_HXX
|
|
#include <ZipOutputStream.hxx>
|
|
#endif
|
|
#ifndef _VOS_DIAGNOSE_H_
|
|
#include <vos/diagnose.hxx>
|
|
#endif
|
|
#ifndef _COM_SUN_STAR_PACKAGES_ZIPCONSTANTS_HPP_
|
|
#include <com/sun/star/packages/ZipConstants.hpp>
|
|
#endif
|
|
#include <time.h>
|
|
#include <utime.h>
|
|
|
|
using namespace rtl;
|
|
using namespace com::sun::star;
|
|
using namespace com::sun::star::packages::ZipConstants;
|
|
|
|
/** This class is used to write Zip files
|
|
*/
|
|
ZipOutputStream::ZipOutputStream( uno::Reference < io::XOutputStream > &xOStream, sal_Int32 nNewBufferSize)
|
|
: xStream(xOStream)
|
|
, aChucker(xOStream)
|
|
, nMethod(DEFLATED)
|
|
, pCurrentEntry(NULL)
|
|
, bFinished(sal_False)
|
|
, aBuffer(nNewBufferSize)
|
|
, aDeflater(DEFAULT_COMPRESSION, sal_True)
|
|
{
|
|
}
|
|
|
|
ZipOutputStream::~ZipOutputStream( void )
|
|
{
|
|
for (sal_Int32 i = 0, nEnd = aZipList.size(); i < nEnd; i++)
|
|
delete aZipList[i];
|
|
}
|
|
|
|
void SAL_CALL ZipOutputStream::setComment( const ::rtl::OUString& rComment )
|
|
throw(uno::RuntimeException)
|
|
{
|
|
sComment = rComment;
|
|
}
|
|
void SAL_CALL ZipOutputStream::setMethod( sal_Int32 nNewMethod )
|
|
throw(uno::RuntimeException)
|
|
{
|
|
nMethod = static_cast < sal_Int16 > (nNewMethod);
|
|
}
|
|
void SAL_CALL ZipOutputStream::setLevel( sal_Int32 nNewLevel )
|
|
throw(uno::RuntimeException)
|
|
{
|
|
aDeflater.setLevel( nNewLevel);
|
|
}
|
|
void SAL_CALL ZipOutputStream::putNextEntry( const packages::ZipEntry& rEntry )
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
packages::ZipEntry *pNonConstEntry = const_cast < packages::ZipEntry* >(&rEntry);
|
|
if (pCurrentEntry != NULL)
|
|
closeEntry();
|
|
if (pNonConstEntry->nTime == -1)
|
|
pNonConstEntry->nTime = getCurrentDosTime();
|
|
if (pNonConstEntry->nMethod == -1)
|
|
{
|
|
pNonConstEntry->nMethod = nMethod;
|
|
}
|
|
pNonConstEntry->nVersion = 20;
|
|
if (pNonConstEntry->nSize == -1 || pNonConstEntry->nCompressedSize == -1 ||
|
|
pNonConstEntry->nCrc == -1)
|
|
pNonConstEntry->nFlag = 8;
|
|
else if (pNonConstEntry->nSize != -1 && pNonConstEntry->nCompressedSize != -1 &&
|
|
pNonConstEntry->nCrc != -1)
|
|
pNonConstEntry->nFlag = 0;
|
|
|
|
pNonConstEntry->nOffset = static_cast < sal_Int32 > (aChucker.getPosition());
|
|
writeLOC(rEntry);
|
|
aZipList.push_back( pNonConstEntry );
|
|
pCurrentEntry=pNonConstEntry;
|
|
}
|
|
void SAL_CALL ZipOutputStream::close( )
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
finish();
|
|
}
|
|
|
|
void SAL_CALL ZipOutputStream::closeEntry( )
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
packages::ZipEntry *pEntry = pCurrentEntry;
|
|
if (pEntry)
|
|
{
|
|
switch (pEntry->nMethod)
|
|
{
|
|
case DEFLATED:
|
|
aDeflater.finish();
|
|
while (!aDeflater.finished())
|
|
doDeflate();
|
|
if ((pEntry->nFlag & 8) == 0)
|
|
{
|
|
if (pEntry->nSize != aDeflater.getTotalIn())
|
|
{
|
|
VOS_DEBUG_ONLY("Invalid entry size");
|
|
}
|
|
if (pEntry->nCompressedSize != aDeflater.getTotalOut())
|
|
{
|
|
//VOS_DEBUG_ONLY("Invalid entry compressed size");
|
|
// Different compression strategies make the merit of this
|
|
// test somewhat dubious
|
|
pEntry->nCompressedSize = aDeflater.getTotalOut();
|
|
}
|
|
if (pEntry->nCrc != aCRC.getValue())
|
|
{
|
|
VOS_DEBUG_ONLY("Invalid entry CRC-32");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pEntry->nSize = aDeflater.getTotalIn();
|
|
pEntry->nCompressedSize = aDeflater.getTotalOut();
|
|
pEntry->nCrc = aCRC.getValue();
|
|
writeEXT(*pEntry);
|
|
}
|
|
aDeflater.reset();
|
|
break;
|
|
case STORED:
|
|
|
|
pEntry->nCrc = aCRC.getValue();
|
|
if (!((pEntry->nFlag & 8) == 0))
|
|
{
|
|
//writeEXT(*pEntry);
|
|
// instead of writing a data descriptor (due to the fact
|
|
// that the 'jar' tool doesn't like data descriptors
|
|
// for STORED streams), we seek back and update the LOC
|
|
// header. We could do this for DEFLATED entries also
|
|
pEntry->nFlag = 0;
|
|
pEntry->nVersion = 10;
|
|
sal_Int64 nPos = aChucker.getPosition();
|
|
|
|
aChucker.seek( pEntry->nOffset );
|
|
aChucker << LOCSIG;
|
|
aChucker << pEntry->nVersion;
|
|
aChucker << pEntry->nFlag;
|
|
aChucker << pEntry->nMethod;
|
|
aChucker << static_cast < sal_uInt32 > (pEntry->nTime);
|
|
aChucker << static_cast < sal_uInt32 > (pEntry->nCrc);
|
|
aChucker << pEntry->nCompressedSize;
|
|
aChucker << pEntry->nSize;
|
|
|
|
aChucker.seek( nPos );
|
|
}
|
|
|
|
/*
|
|
if (static_cast < sal_uInt32 > (pEntry->nCrc) != static_cast <sal_uInt32> (aCRC.getValue()))
|
|
{
|
|
// boom
|
|
|
|
VOS_DEBUG_ONLY("Invalid entry crc32");
|
|
}
|
|
*/
|
|
break;
|
|
default:
|
|
// boom;
|
|
VOS_DEBUG_ONLY("Invalid compression method");
|
|
break;
|
|
}
|
|
aCRC.reset();
|
|
pCurrentEntry = NULL;
|
|
}
|
|
}
|
|
|
|
void SAL_CALL ZipOutputStream::write( const uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength )
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
switch (pCurrentEntry->nMethod)
|
|
{
|
|
case DEFLATED:
|
|
if (!aDeflater.finished())
|
|
{
|
|
aDeflater.setInputSegment(rBuffer, nNewOffset, nNewLength);
|
|
while (!aDeflater.needsInput())
|
|
doDeflate();
|
|
}
|
|
break;
|
|
case STORED:
|
|
sal_Int32 nOldLength = rBuffer.getLength();
|
|
uno::Sequence < sal_Int8 > *pBuffer = const_cast < uno::Sequence < sal_Int8 > *> (&rBuffer);
|
|
pBuffer->realloc(nNewLength);
|
|
aChucker.writeBytes(*pBuffer);
|
|
pBuffer->realloc(nOldLength);
|
|
break;
|
|
}
|
|
aCRC.updateSegment(rBuffer, nNewOffset, nNewLength);
|
|
}
|
|
void SAL_CALL ZipOutputStream::rawWrite( const uno::Sequence< sal_Int8 >& rBuffer)
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
aChucker.writeBytes(rBuffer);
|
|
}
|
|
void SAL_CALL ZipOutputStream::rawCloseEntry( )
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
writeEXT(*pCurrentEntry);
|
|
aCRC.reset();
|
|
pCurrentEntry = NULL;
|
|
}
|
|
void SAL_CALL ZipOutputStream::finish( )
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
if (bFinished)
|
|
return;
|
|
if (pCurrentEntry != NULL)
|
|
closeEntry();
|
|
if (aZipList.size() < 1)
|
|
{
|
|
// boom
|
|
VOS_DEBUG_ONLY("Zip file must have at least one entry!\n");
|
|
}
|
|
sal_Int32 nOffset= static_cast < sal_Int32 > (aChucker.getPosition());
|
|
for (sal_Int32 i =0, nEnd = aZipList.size(); i < nEnd; i++)
|
|
writeCEN( *aZipList[i] );
|
|
writeEND( nOffset, static_cast < sal_Int32 > (aChucker.getPosition()) - nOffset);
|
|
bFinished = sal_True;
|
|
}
|
|
void ZipOutputStream::doDeflate()
|
|
{
|
|
//sal_Int32 nOldOut = aDeflater.getTotalOut();
|
|
sal_Int32 nLength = aDeflater.doDeflateSegment(aBuffer, 0, aBuffer.getLength());
|
|
sal_Int32 nOldLength = aBuffer.getLength();
|
|
//sal_Int32 nNewOut = aDeflater.getTotalOut() - nOldOut;
|
|
if (nLength> 0 )
|
|
{
|
|
aBuffer.realloc(nLength);
|
|
aChucker.writeBytes(aBuffer);
|
|
aBuffer.realloc(nOldLength);
|
|
}
|
|
}
|
|
void ZipOutputStream::writeEND(sal_uInt32 nOffset, sal_uInt32 nLength)
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
sal_Int16 nCommentLength = static_cast < sal_Int16 > (sComment.getLength());
|
|
uno::Sequence < sal_Int8 > aSequence (nCommentLength);
|
|
sal_Int8 *pArray = aSequence.getArray();
|
|
|
|
const sal_Unicode *pChar = sComment.getStr();
|
|
for ( sal_Int16 i = 0; i < nCommentLength; i++)
|
|
{
|
|
VOS_ENSURE (pChar[i] <127, "Non US ASCII character in zipfile comment!");
|
|
*(pArray+i) = static_cast < const sal_Int8 > (pChar[i]);
|
|
}
|
|
aChucker << ENDSIG;
|
|
aChucker << static_cast < sal_Int16 > ( 0 );
|
|
aChucker << static_cast < sal_Int16 > ( 0 );
|
|
aChucker << static_cast < sal_Int16 > ( aZipList.size() );
|
|
aChucker << static_cast < sal_Int16 > ( aZipList.size() );
|
|
aChucker << nLength;
|
|
aChucker << nOffset;
|
|
aChucker << nCommentLength;
|
|
if (nCommentLength)
|
|
aChucker.writeBytes(aSequence);
|
|
}
|
|
void ZipOutputStream::writeCEN( const packages::ZipEntry &rEntry )
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
sal_Int16 nNameLength = static_cast < sal_Int16 > ( rEntry.sName.getLength() ) ,
|
|
nCommentLength = static_cast < sal_Int16 > ( rEntry.sComment.getLength() ) ,
|
|
nExtraLength = static_cast < sal_Int16 > ( rEntry.extra.getLength() );
|
|
|
|
aChucker << CENSIG;
|
|
aChucker << rEntry.nVersion;
|
|
aChucker << rEntry.nVersion;
|
|
aChucker << rEntry.nFlag;
|
|
aChucker << rEntry.nMethod;
|
|
aChucker << static_cast < sal_uInt32> (rEntry.nTime);
|
|
aChucker << static_cast < sal_uInt32> (rEntry.nCrc);
|
|
aChucker << rEntry.nCompressedSize;
|
|
aChucker << rEntry.nSize;
|
|
aChucker << nNameLength;
|
|
aChucker << nExtraLength;
|
|
aChucker << nCommentLength;
|
|
aChucker << static_cast < sal_Int16> (0);
|
|
aChucker << static_cast < sal_Int16> (0);
|
|
aChucker << static_cast < sal_Int32> (0);
|
|
aChucker << rEntry.nOffset;
|
|
/*
|
|
sal_uInt64 nCurrent = aChucker.getPosition();
|
|
aChucker.seek(rEntry.nOffset+16);
|
|
aChucker << static_cast < sal_uInt32> (rEntry.nCrc);
|
|
aChucker << rEntry.nCompressedSize;
|
|
aChucker << rEntry.nSize;
|
|
aChucker.seek(nCurrent);
|
|
*/
|
|
const sal_Unicode *pChar = rEntry.sName.getStr();
|
|
uno::Sequence < sal_Int8 > aSequence (nNameLength);
|
|
sal_Int8 *pArray = aSequence.getArray();
|
|
|
|
for ( sal_Int16 i = 0; i < nNameLength; i++)
|
|
{
|
|
VOS_ENSURE (pChar[i] <127, "Non US ASCII character in zipentry name!");
|
|
*(pArray+i) = static_cast < const sal_Int8 > (pChar[i]);
|
|
}
|
|
|
|
aChucker.writeBytes( aSequence );
|
|
if (nExtraLength)
|
|
aChucker.writeBytes( rEntry.extra);
|
|
if (nCommentLength)
|
|
{
|
|
if (nNameLength != nCommentLength)
|
|
{
|
|
aSequence.realloc (nCommentLength);
|
|
pArray = aSequence.getArray();
|
|
}
|
|
for (i=0, pChar = rEntry.sComment.getStr(); i < nCommentLength; i++)
|
|
{
|
|
VOS_ENSURE (pChar[i] <127, "Non US ASCII character in zipentry comment!");
|
|
*(pArray+i) = static_cast < const sal_Int8 > (pChar[i]);
|
|
}
|
|
aChucker.writeBytes( aSequence );
|
|
}
|
|
}
|
|
void ZipOutputStream::writeEXT( const packages::ZipEntry &rEntry )
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
aChucker << EXTSIG;
|
|
aChucker << rEntry.nCrc;
|
|
aChucker << rEntry.nCompressedSize;
|
|
aChucker << rEntry.nSize;
|
|
}
|
|
|
|
void ZipOutputStream::writeLOC( const packages::ZipEntry &rEntry )
|
|
throw(io::IOException, uno::RuntimeException)
|
|
{
|
|
sal_Int16 nNameLength = static_cast < sal_Int16 > (rEntry.sName.getLength());
|
|
uno::Sequence < sal_Int8 > aSequence(nNameLength);
|
|
sal_Int8 *pArray = aSequence.getArray();
|
|
|
|
aChucker << LOCSIG;
|
|
aChucker << rEntry.nVersion;
|
|
aChucker << rEntry.nFlag;
|
|
aChucker << rEntry.nMethod;
|
|
aChucker << static_cast < sal_uInt32 > (rEntry.nTime);
|
|
if ((rEntry.nFlag & 8) == 8 )
|
|
{
|
|
aChucker << static_cast < sal_Int32 > (0);
|
|
aChucker << static_cast < sal_Int32 > (0);
|
|
aChucker << static_cast < sal_Int32 > (0);
|
|
}
|
|
else
|
|
{
|
|
aChucker << static_cast < sal_uInt32 > (rEntry.nCrc);
|
|
aChucker << rEntry.nCompressedSize;
|
|
aChucker << rEntry.nSize;
|
|
}
|
|
aChucker << nNameLength;
|
|
aChucker << static_cast <sal_Int16 > ( rEntry.extra.getLength());
|
|
|
|
const sal_Unicode *pChar = rEntry.sName.getStr();
|
|
for ( sal_Int16 i = 0; i < nNameLength; i++)
|
|
{
|
|
VOS_ENSURE (pChar[i] <127, "Non US ASCII character in zipentry name!");
|
|
*(pArray+i) = static_cast < const sal_Int8 > (pChar[i]);
|
|
}
|
|
aChucker.writeBytes( aSequence );
|
|
if (rEntry.extra.getLength() != 0)
|
|
aChucker.writeBytes( rEntry.extra );
|
|
}
|
|
sal_uInt32 ZipOutputStream::getCurrentDosTime( )
|
|
{
|
|
time_t nTime = time (NULL);
|
|
// pTime is a static internal to the time library and shouldn't be deleted
|
|
struct tm *pTime = localtime ( &nTime);
|
|
|
|
sal_uInt32 nYear = static_cast <sal_uInt32> (pTime->tm_year);
|
|
|
|
if (nYear>1980)
|
|
nYear-=1980;
|
|
else if (nYear>80)
|
|
nYear-=80;
|
|
sal_uInt32 nResult = static_cast < sal_uInt32>( ( ( ( pTime->tm_mday) +
|
|
( 32 * (pTime->tm_mon+1)) +
|
|
( 512 * nYear ) ) << 16) |
|
|
( ( pTime->tm_sec/2) +
|
|
( 32 * pTime->tm_min) +
|
|
( 2048 * static_cast <sal_uInt32 > (pTime->tm_hour) ) ) );
|
|
return nResult;
|
|
}
|
|
/*
|
|
|
|
This is actually never used, so I removed it, but thought that the
|
|
implementation details may be useful in the future...mtg 20010307
|
|
|
|
void ZipOutputStream::dosDateToTMDate ( tm &rTime, sal_uInt32 nDosDate)
|
|
{
|
|
sal_uInt32 nDate = static_cast < sal_uInt32 > (nDosDate >> 16);
|
|
rTime.tm_mday = static_cast < sal_uInt32 > ( nDate & 0x1F);
|
|
rTime.tm_mon = static_cast < sal_uInt32 > ( ( ( (nDate) & 0x1E0)/0x20)-1);
|
|
rTime.tm_year = static_cast < sal_uInt32 > ( ( (nDate & 0x0FE00)/0x0200)+1980);
|
|
|
|
rTime.tm_hour = static_cast < sal_uInt32 > ( (nDosDate & 0xF800)/0x800);
|
|
rTime.tm_min = static_cast < sal_uInt32 > ( (nDosDate & 0x7E0)/0x20);
|
|
rTime.tm_sec = static_cast < sal_uInt32 > ( 2 * (nDosDate & 0x1F) );
|
|
}
|
|
*/
|
|
|