package/source/zipapi/XUnbufferedStream.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.
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   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 _XUNBUFFERED_STREAM_HXX
  20 #define _XUNBUFFERED_STREAM_HXX
  21
  22 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  23 #include <com/sun/star/io/XSeekable.hpp>
  24 #include <com/sun/star/io/XInputStream.hpp>
  25 #include <com/sun/star/io/XOutputStream.hpp>
  26 #include <com/sun/star/xml/crypto/XCipherContext.hpp>
  27
  28 #include <cppuhelper/implbase1.hxx>
  29 #include <rtl/ref.hxx>
  30 #include <package/Inflater.hxx>
  31 #include <ZipEntry.hxx>
  32 #include <CRC32.hxx>
  33 #include <mutexholder.hxx>
  34
  35 #define UNBUFF_STREAM_DATA          0
  36 #define UNBUFF_STREAM_RAW           1
  37 #define UNBUFF_STREAM_WRAPPEDRAW    2
  38
  39 class EncryptionData;
  40 class XUnbufferedStream : public cppu::WeakImplHelper1
  41 <
  42     com::sun::star::io::XInputStream
  43 >
  44 {
  45 protected:
  46     SotMutexHolderRef maMutexHolder;
  47
  48     com::sun::star::uno::Reference < com::sun::star::io::XInputStream > mxZipStream;
  49     com::sun::star::uno::Reference < com::sun::star::io::XSeekable > mxZipSeek;
  50     com::sun::star::uno::Sequence < sal_Int8 > maCompBuffer, maHeader;
  51     ZipEntry maEntry;
  52     ::rtl::Reference< EncryptionData > mxData;
  53     sal_Int32 mnBlockSize;
  54     ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > m_xCipherContext;
  55     ZipUtils::Inflater maInflater;
  56     sal_Bool mbRawStream, mbWrappedRaw, mbFinished;
  57     sal_Int16 mnHeaderToRead;
  58     sal_Int64 mnZipCurrent, mnZipEnd, mnZipSize, mnMyCurrent;
  59     CRC32 maCRC;
  60     sal_Bool mbCheckCRC;
  61
  62 public:
  63     XUnbufferedStream(
  64                  const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xContext,
  65                  SotMutexHolderRef aMutexHolder,
  66                  ZipEntry & rEntry,
  67                  com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewZipStream,
  68                  const ::rtl::Reference< EncryptionData >& rData,
  69                  sal_Int8 nStreamMode,
  70                  sal_Bool bIsEncrypted,
  71                  const OUString& aMediaType,
  72                  sal_Bool bRecoveryMode );
  73
  74     // allows to read package raw stream
  75     XUnbufferedStream(
  76                  const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xContext,
  77                  const com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& xRawStream,
  78                  const ::rtl::Reference< EncryptionData >& rData );
  79
  80
  81     virtual ~XUnbufferedStream();
  82
  83     // XInputStream
  84     virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
  85         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  86     virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
  87         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  88     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
  89         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  90     virtual sal_Int32 SAL_CALL available(  )
  91         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  92     virtual void SAL_CALL closeInput(  )
  93         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  94     // XSeekable
  95     /*
  96     virtual void SAL_CALL seek( sal_Int64 location )
  97         throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  98     virtual sal_Int64 SAL_CALL getPosition(  )
  99         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 100     virtual sal_Int64 SAL_CALL getLength(  )
 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: */