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path: root/package/inc/ZipOutputStream.hxx
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/* -*- 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.
 *
 ************************************************************************/
#ifndef _ZIP_OUTPUT_STREAM_HXX
#define _ZIP_OUTPUT_STREAM_HXX

#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/xml/crypto/XCipherContext.hpp>
#include <com/sun/star/xml/crypto/XDigestContext.hpp>

#include <ByteChucker.hxx>
#include <Deflater.hxx>
#include <CRC32.hxx>

#include <vector>

struct ZipEntry;
class ZipPackageStream;
namespace rtl
{
    template < class T > class Reference;
}

class ZipOutputStream
{
protected:
    ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xFactory;
    ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > xStream;

    ::std::vector < ZipEntry * >			aZipList;

    ::com::sun::star::uno::Sequence< sal_Int8 > m_aDeflateBuffer;

    ::rtl::OUString		sComment;
    ZipUtils::Deflater	aDeflater;

    ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > m_xCipherContext;
    ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XDigestContext > m_xDigestContext;

    CRC32				aCRC;
    ByteChucker			aChucker;
    ZipEntry 			*pCurrentEntry;
    sal_Int16			nMethod, nLevel, mnDigested;
    sal_Bool			bFinished, bEncryptCurrentEntry;
    ZipPackageStream*   m_pCurrentStream;

public:
    ZipOutputStream(
        const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory,
        const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > &xOStream );
    ~ZipOutputStream();
    
    // rawWrite to support a direct write to the output stream
    void SAL_CALL rawWrite( ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL rawCloseEntry(  )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);

    // XZipOutputStream interfaces
    void SAL_CALL setMethod( sal_Int32 nNewMethod )
        throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL setLevel( sal_Int32 nNewLevel )
        throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL putNextEntry( ZipEntry& rEntry, 
            ZipPackageStream* pStream,
            sal_Bool bEncrypt = sal_False )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL closeEntry(  )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL write( const ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL finish(  )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    static sal_uInt32 getCurrentDosTime ( );
protected:
    void doDeflate();
    void writeEND(sal_uInt32 nOffset, sal_uInt32 nLength)
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void writeCEN( const ZipEntry &rEntry )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void writeEXT( const ZipEntry &rEntry )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    sal_Int32 writeLOC( const ZipEntry &rEntry )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
};

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */