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Diffstat (limited to 'package/source/zipapi/Deflater.cxx')
| -rw-r--r-- | package/source/zipapi/Deflater.cxx | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/package/source/zipapi/Deflater.cxx b/package/source/zipapi/Deflater.cxx deleted file mode 100644 index bb48b4ef3..000000000 --- a/package/source/zipapi/Deflater.cxx +++ /dev/null @@ -1,216 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org 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 version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_package.hxx" -#include <Deflater.hxx> -#ifndef _ZLIB_H -#ifdef SYSTEM_ZLIB -#include <zlib.h> -#else -#include <external/zlib/zlib.h> -#endif -#endif -#include <com/sun/star/packages/zip/ZipConstants.hpp> -#include <string.h> // for memset - -using namespace com::sun::star::packages::zip::ZipConstants; -using namespace com::sun::star; -using namespace ZipUtils; - -/** Provides general purpose compression using the ZLIB compression - * library. - */ - -Deflater::~Deflater(void) -{ - end(); -} -void Deflater::init (sal_Int32 nLevelArg, sal_Int32 nStrategyArg, sal_Bool bNowrap) -{ - pStream = new z_stream; - /* Memset it to 0...sets zalloc/zfree/opaque to NULL */ - memset (pStream, 0, sizeof(*pStream)); - - switch (deflateInit2(pStream, nLevelArg, Z_DEFLATED, bNowrap? -MAX_WBITS : MAX_WBITS, - DEF_MEM_LEVEL, nStrategyArg)) - { - case Z_OK: - break; - case Z_MEM_ERROR: - delete pStream; - break; - case Z_STREAM_ERROR: - delete pStream; - break; - default: - break; - } -} - -Deflater::Deflater(sal_Int32 nSetLevel, sal_Bool bNowrap) -: bFinish(sal_False) -, bFinished(sal_False) -, bSetParams(sal_False) -, nLevel(nSetLevel) -, nStrategy(DEFAULT_STRATEGY) -, nOffset(0) -, nLength(0) -{ - init(nSetLevel, DEFAULT_STRATEGY, bNowrap); -} - -sal_Int32 Deflater::doDeflateBytes (uno::Sequence < sal_Int8 > &rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength) -{ - sal_Int32 nResult; - if (bSetParams) - { - pStream->next_in = (unsigned char*) sInBuffer.getConstArray() + nOffset; - pStream->next_out = (unsigned char*) rBuffer.getArray()+nNewOffset; - pStream->avail_in = nLength; - pStream->avail_out = nNewLength; - -#if defined SYSTEM_ZLIB || !defined ZLIB_PREFIX - nResult = deflateParams(pStream, nLevel, nStrategy); -#else - nResult = z_deflateParams(pStream, nLevel, nStrategy); -#endif - switch (nResult) - { - case Z_OK: - bSetParams = sal_False; - nOffset += nLength - pStream->avail_in; - nLength = pStream->avail_in; - return nNewLength - pStream->avail_out; - case Z_BUF_ERROR: - bSetParams = sal_False; - return 0; - default: - return 0; - } - } - else - { - pStream->next_in = (unsigned char*) sInBuffer.getConstArray() + nOffset; - pStream->next_out = (unsigned char*) rBuffer.getArray()+nNewOffset; - pStream->avail_in = nLength; - pStream->avail_out = nNewLength; - -#if defined SYSTEM_ZLIB || !defined ZLIB_PREFIX - nResult = deflate(pStream, bFinish ? Z_FINISH : Z_NO_FLUSH); -#else - nResult = z_deflate(pStream, bFinish ? Z_FINISH : Z_NO_FLUSH); -#endif - switch (nResult) - { - case Z_STREAM_END: - bFinished = sal_True; - case Z_OK: - nOffset += nLength - pStream->avail_in; - nLength = pStream->avail_in; - return nNewLength - pStream->avail_out; - case Z_BUF_ERROR: - bSetParams = sal_False; - return 0; - default: - return 0; - } - } -} - -void SAL_CALL Deflater::setInputSegment( const uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength ) -{ - OSL_ASSERT( !(nNewOffset < 0 || nNewLength < 0 || nNewOffset + nNewLength > rBuffer.getLength())); - - sInBuffer = rBuffer; - nOffset = nNewOffset; - nLength = nNewLength; -} -void SAL_CALL Deflater::setLevel( sal_Int32 nNewLevel ) -{ - if ((nNewLevel < 0 || nNewLevel > 9) && nNewLevel != DEFAULT_COMPRESSION) - { - // do error handling - } - if (nNewLevel != nLevel) - { - nLevel = nNewLevel; - bSetParams = sal_True; - } -} -sal_Bool SAL_CALL Deflater::needsInput( ) -{ - return nLength <=0; -} -void SAL_CALL Deflater::finish( ) -{ - bFinish = sal_True; -} -sal_Bool SAL_CALL Deflater::finished( ) -{ - return bFinished; -} -sal_Int32 SAL_CALL Deflater::doDeflateSegment( uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength ) -{ - OSL_ASSERT( !(nNewOffset < 0 || nNewLength < 0 || nNewOffset + nNewLength > rBuffer.getLength())); - return doDeflateBytes(rBuffer, nNewOffset, nNewLength); -} -sal_Int32 SAL_CALL Deflater::getTotalIn( ) -{ - return pStream->total_in; -} -sal_Int32 SAL_CALL Deflater::getTotalOut( ) -{ - return pStream->total_out; -} -void SAL_CALL Deflater::reset( ) -{ -#if defined SYSTEM_ZLIB || !defined ZLIB_PREFIXB - deflateReset(pStream); -#else - z_deflateReset(pStream); -#endif - bFinish = sal_False; - bFinished = sal_False; - nOffset = nLength = 0; -} -void SAL_CALL Deflater::end( ) -{ - if (pStream != NULL) - { -#if defined SYSTEM_ZLIB || !defined ZLIB_PREFIX - deflateEnd(pStream); -#else - z_deflateEnd(pStream); -#endif - delete pStream; - } - pStream = NULL; -} - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |