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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   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/.
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   9  * This file incorporates work covered by the following license notice:
  10  *
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  14  *   ownership. The ASF licenses this file to you under the Apache
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  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 INCLUDED_PACKAGE_SOURCE_ZIPAPI_XUNBUFFEREDSTREAM_HXX
  20 #define INCLUDED_PACKAGE_SOURCE_ZIPAPI_XUNBUFFEREDSTREAM_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 namespace com { namespace sun { namespace star { namespace uno {
  36     class XComponentContext;
  37 } } } }
  38
  39 #define UNBUFF_STREAM_DATA          0
  40 #define UNBUFF_STREAM_RAW           1
  41 #define UNBUFF_STREAM_WRAPPEDRAW    2
  42
  43 class EncryptionData;
  44 class XUnbufferedStream : public cppu::WeakImplHelper1
  45 <
  46     com::sun::star::io::XInputStream
  47 >
  48 {
  49 protected:
  50     SotMutexHolderRef maMutexHolder;
  51
  52     com::sun::star::uno::Reference < com::sun::star::io::XInputStream > mxZipStream;
  53     com::sun::star::uno::Reference < com::sun::star::io::XSeekable > mxZipSeek;
  54     com::sun::star::uno::Sequence < sal_Int8 > maCompBuffer, maHeader;
  55     ZipEntry maEntry;
  56     ::rtl::Reference< EncryptionData > mxData;
  57     sal_Int32 mnBlockSize;
  58     ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > m_xCipherContext;
  59     ZipUtils::Inflater maInflater;
  60     bool mbRawStream, mbWrappedRaw, mbFinished;
  61     sal_Int16 mnHeaderToRead;
  62     sal_Int64 mnZipCurrent, mnZipEnd, mnZipSize, mnMyCurrent;
  63     CRC32 maCRC;
  64     bool mbCheckCRC;
  65
  66 public:
  67     XUnbufferedStream(
  68                  const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xContext,
  69                  SotMutexHolderRef aMutexHolder,
  70                  ZipEntry & rEntry,
  71                  com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewZipStream,
  72                  const ::rtl::Reference< EncryptionData >& rData,
  73                  sal_Int8 nStreamMode,
  74                  bool bIsEncrypted,
  75                  const OUString& aMediaType,
  76                  bool bRecoveryMode );
  77
  78     // allows to read package raw stream
  79     XUnbufferedStream(
  80                  const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xContext,
  81                  const com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& xRawStream,
  82                  const ::rtl::Reference< EncryptionData >& rData );
  83
  84     virtual ~XUnbufferedStream();
  85
  86     // XInputStream
  87     virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
  88         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  89     virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
  90         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  91     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
  92         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  93     virtual sal_Int32 SAL_CALL available(  )
  94         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  95     virtual void SAL_CALL closeInput(  )
  96         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  97     // XSeekable
  98     /*
  99     virtual void SAL_CALL seek( sal_Int64 location )
 100         throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 101     virtual sal_Int64 SAL_CALL getPosition(  )
 102         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 103     virtual sal_Int64 SAL_CALL getLength(  )
 104         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 105     */
 106 };
 107 #endif
 108
 109 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */