package/source/zipapi/XFileStream.hxx

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  30 #ifndef _XFILE_STREAM_HXX
  31 #define _XFILE_STREAM_HXX
  32
  33 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  34 #include <com/sun/star/io/XSeekable.hpp>
  35 #include <com/sun/star/io/XInputStream.hpp>
  36 #include <cppuhelper/implbase2.hxx>
  37 #ifndef _VOS_REF_H_
  38 #include <vos/ref.hxx>
  39 #endif
  40 #ifndef _INFLATER_HXX
  41 #include <Inflater.hxx>
  42 #endif
  43 #include <ZipEntry.hxx>
  44
  45 namespace com { namespace sun { namespace star {
  46     namespace io { class XOutputStream; }
  47 } } }
  48 class EncryptionData;
  49 typedef void* rtlCipher;
  50 class XFileStream : public cppu::WeakImplHelper2
  51 <
  52     com::sun::star::io::XInputStream,
  53     com::sun::star::io::XSeekable
  54 >
  55 {
  56 protected:
  57     com::sun::star::uno::Reference < com::sun::star::io::XInputStream > mxZipStream;
  58     com::sun::star::uno::Reference < com::sun::star::io::XSeekable > mxZipSeek;
  59     com::sun::star::uno::Reference < com::sun::star::io::XInputStream > mxTempIn;
  60     com::sun::star::uno::Reference < com::sun::star::io::XSeekable > mxTempSeek;
  61     com::sun::star::uno::Reference < com::sun::star::io::XOutputStream > mxTempOut;
  62     com::sun::star::uno::Sequence < sal_Int8 > maBuffer, maCompBuffer;
  63     ZipEntry maEntry;
  64     vos::ORef < EncryptionData > mxData;
  65     rtlCipher maCipher;
  66     Inflater maInflater;
  67     sal_Bool mbRawStream, mbFinished;
  68     sal_Int64 mnZipCurrent, mnZipEnd, mnZipSize;
  69     void fill( sal_Int64 nUntil );
  70
  71 public:
  72     XFileStream( ZipEntry & rEntry,
  73                  com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewZipStream,
  74                  com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewTempStream,
  75                  const vos::ORef < EncryptionData > &rData,
  76                  sal_Bool bRawStream,
  77                  sal_Bool bIsEncrypted );
  78     virtual ~XFileStream();
  79
  80     // XInputStream
  81     virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
  82         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  83     virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
  84         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  85     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
  86         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  87     virtual sal_Int32 SAL_CALL available(  )
  88         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  89     virtual void SAL_CALL closeInput(  )
  90         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  91     // XSeekable
  92     virtual void SAL_CALL seek( sal_Int64 location )
  93         throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  94     virtual sal_Int64 SAL_CALL getPosition(  )
  95         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  96     virtual sal_Int64 SAL_CALL getLength(  )
  97         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  98 };
  99 #endif