package/inc/ByteGrabber.hxx

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  30 #ifndef _BYTE_GRABBER_HXX_
  31 #define _BYTE_GRABBER_HXX_
  32
  33 #include <com/sun/star/uno/Sequence.h>
  34 #include <com/sun/star/uno/Reference.h>
  35 #include <com/sun/star/io/BufferSizeExceededException.hpp>
  36 #include <com/sun/star/io/IOException.hpp>
  37 #include <com/sun/star/io/NotConnectedException.hpp>
  38 #include <com/sun/star/uno/RuntimeException.hpp>
  39 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  40
  41 namespace com { namespace sun { namespace star {
  42     namespace io { class XSeekable; class XInputStream; }
  43 } } }
  44 class ByteGrabber
  45 {
  46 protected:
  47     com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
  48     com::sun::star::uno::Reference < com::sun::star::io::XSeekable > xSeek;
  49     com::sun::star::uno::Sequence < sal_Int8 > aSequence;
  50     const sal_Int8 *pSequence;
  51
  52 public:
  53     ByteGrabber (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xIstream);
  54     ~ByteGrabber();
  55
  56     void setInputStream (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewStream);
  57     // XInputStream
  58     sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
  59         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  60     // XSeekable
  61     sal_Int64 SAL_CALL seek( sal_Int64 location )
  62         throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  63     sal_Int64 SAL_CALL getPosition(  )
  64         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  65     sal_Int64 SAL_CALL getLength(  )
  66         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  67
  68     ByteGrabber& operator >> (sal_Int8& rInt8);
  69     ByteGrabber& operator >> (sal_Int16& rInt16);
  70     ByteGrabber& operator >> (sal_Int32& rInt32);
  71     ByteGrabber& operator >> (sal_uInt8& ruInt8);
  72     ByteGrabber& operator >> (sal_uInt16& ruInt16);
  73     ByteGrabber& operator >> (sal_uInt32& ruInt32);
  74 };
  75
  76 #endif