package/source/zipapi/XUnbufferedStream.hxx

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  30 #ifndef _XUNBUFFERED_STREAM_HXX
  31 #define _XUNBUFFERED_STREAM_HXX
  32
  33 #include <com/sun/star/io/XOutputStream.hpp>
  34 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  35 #include <com/sun/star/io/XSeekable.hpp>
  36 #include <com/sun/star/io/XInputStream.hpp>
  37 #include <com/sun/star/io/XOutputStream.hpp>
  38 #include <cppuhelper/implbase1.hxx>
  39 #include <vos/ref.hxx>
  40 #include <Inflater.hxx>
  41 #include <ZipEntry.hxx>
  42 #include <CRC32.hxx>
  43 #include <mutexholder.hxx>
  44
  45 #define UNBUFF_STREAM_DATA                      0
  46 #define UNBUFF_STREAM_RAW                       1
  47 #define UNBUFF_STREAM_WRAPPEDRAW        2
  48
  49 class EncryptionData;
  50 typedef void* rtlCipher;
  51 class XUnbufferedStream : public cppu::WeakImplHelper1
  52 <
  53     com::sun::star::io::XInputStream
  54 >
  55 {
  56 protected:
  57     SotMutexHolderRef maMutexHolder;
  58
  59     com::sun::star::uno::Reference < com::sun::star::io::XInputStream > mxZipStream;
  60     com::sun::star::uno::Reference < com::sun::star::io::XSeekable > mxZipSeek;
  61     com::sun::star::uno::Sequence < sal_Int8 > maCompBuffer, maHeader;
  62     ZipEntry maEntry;
  63     vos::ORef < EncryptionData > mxData;
  64     rtlCipher maCipher;
  65     Inflater maInflater;
  66     sal_Bool mbRawStream, mbWrappedRaw, mbFinished;
  67     sal_Int16 mnHeaderToRead;
  68     sal_Int64 mnZipCurrent, mnZipEnd, mnZipSize, mnMyCurrent;
  69     CRC32 maCRC;
  70     sal_Bool mbCheckCRC;
  71
  72 public:
  73     XUnbufferedStream(
  74                  SotMutexHolderRef aMutexHolder,
  75                  ZipEntry & rEntry,
  76                  com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewZipStream,
  77                  const vos::ORef < EncryptionData > &rData,
  78                  sal_Int8 nStreamMode,
  79                  sal_Bool bIsEncrypted,
  80                  const ::rtl::OUString& aMediaType,
  81                  sal_Bool bRecoveryMode );
  82
  83     // allows to read package raw stream
  84     XUnbufferedStream( const com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& xRawStream,
  85                  const vos::ORef < EncryptionData > &rData );
  86
  87
  88     virtual ~XUnbufferedStream();
  89
  90     // XInputStream
  91     virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
  92         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  93     virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
  94         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  95     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
  96         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  97     virtual sal_Int32 SAL_CALL available(  )
  98         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  99     virtual void SAL_CALL closeInput(  )
 100         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 101     // XSeekable
 102     /*
 103     virtual void SAL_CALL seek( sal_Int64 location )
 104         throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 105     virtual sal_Int64 SAL_CALL getPosition(  )
 106         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 107     virtual sal_Int64 SAL_CALL getLength(  )
 108         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 109     */
 110 };
 111 #endif