package/inc/ZipOutputStream.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef _ZIP_OUTPUT_STREAM_HXX
  20 #define _ZIP_OUTPUT_STREAM_HXX
  21
  22 #include <com/sun/star/uno/Reference.hxx>
  23 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  24 #include <com/sun/star/io/XOutputStream.hpp>
  25 #include <com/sun/star/xml/crypto/XCipherContext.hpp>
  26 #include <com/sun/star/xml/crypto/XDigestContext.hpp>
  27
  28 #include <package/Deflater.hxx>
  29 #include <ByteChucker.hxx>
  30 #include <CRC32.hxx>
  31
  32 #include <vector>
  33
  34 struct ZipEntry;
  35 class ZipPackageStream;
  36 namespace rtl
  37 {
  38     template < class T > class Reference;
  39 }
  40
  41 class ZipOutputStream
  42 {
  43 protected:
  44     ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext> m_xContext;
  45     ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > xStream;
  46
  47     ::std::vector < ZipEntry * >            aZipList;
  48
  49     ::com::sun::star::uno::Sequence< sal_Int8 > m_aDeflateBuffer;
  50
  51     OUString     sComment;
  52     ZipUtils::Deflater  aDeflater;
  53
  54     ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > m_xCipherContext;
  55     ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XDigestContext > m_xDigestContext;
  56
  57     CRC32               aCRC;
  58     ByteChucker         aChucker;
  59     ZipEntry            *pCurrentEntry;
  60     sal_Int16           nMethod, nLevel, mnDigested;
  61     sal_Bool            bFinished, bEncryptCurrentEntry;
  62     ZipPackageStream*   m_pCurrentStream;
  63
  64 public:
  65     ZipOutputStream(
  66         const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
  67         const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > &xOStream );
  68     ~ZipOutputStream();
  69
  70     // rawWrite to support a direct write to the output stream
  71     void SAL_CALL rawWrite( ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength )
  72         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  73     void SAL_CALL rawCloseEntry(  )
  74         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  75
  76     // XZipOutputStream interfaces
  77     void SAL_CALL setMethod( sal_Int32 nNewMethod )
  78         throw(::com::sun::star::uno::RuntimeException);
  79     void SAL_CALL setLevel( sal_Int32 nNewLevel )
  80         throw(::com::sun::star::uno::RuntimeException);
  81     void SAL_CALL putNextEntry( ZipEntry& rEntry,
  82             ZipPackageStream* pStream,
  83             sal_Bool bEncrypt = sal_False )
  84         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  85     void SAL_CALL closeEntry(  )
  86         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  87     void SAL_CALL write( const ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength )
  88         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  89     void SAL_CALL finish(  )
  90         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  91     static sal_uInt32 getCurrentDosTime ( );
  92 protected:
  93     void doDeflate();
  94     void writeEND(sal_uInt32 nOffset, sal_uInt32 nLength)
  95         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  96     void writeCEN( const ZipEntry &rEntry )
  97         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  98     void writeEXT( const ZipEntry &rEntry )
  99         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 100     sal_Int32 writeLOC( const ZipEntry &rEntry )
 101         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 102 };
 103
 104 #endif
 105
 106 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */