package/inc/ByteGrabber.hxx

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  28 #ifndef _BYTE_GRABBER_HXX_
  29 #define _BYTE_GRABBER_HXX_
  30
  31 #include <com/sun/star/uno/Sequence.h>
  32 #include <com/sun/star/uno/Reference.h>
  33 #include <com/sun/star/io/BufferSizeExceededException.hpp>
  34 #include <com/sun/star/io/IOException.hpp>
  35 #include <com/sun/star/io/NotConnectedException.hpp>
  36 #include <com/sun/star/uno/RuntimeException.hpp>
  37 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  38
  39 #include <osl/mutex.hxx>
  40
  41 namespace com { namespace sun { namespace star {
  42     namespace io { class XSeekable; class XInputStream; }
  43 } } }
  44 class ByteGrabber
  45 {
  46 protected:
  47     ::osl::Mutex m_aMutex;
  48
  49     com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
  50     com::sun::star::uno::Reference < com::sun::star::io::XSeekable > xSeek;
  51     com::sun::star::uno::Sequence < sal_Int8 > aSequence;
  52     const sal_Int8 *pSequence;
  53
  54 public:
  55     ByteGrabber (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xIstream);
  56     ~ByteGrabber();
  57
  58     void setInputStream (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewStream);
  59     // XInputStream
  60     sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
  61         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  62     // XSeekable
  63     sal_Int64 SAL_CALL seek( sal_Int64 location )
  64         throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  65     sal_Int64 SAL_CALL getPosition(  )
  66         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  67     sal_Int64 SAL_CALL getLength(  )
  68         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  69
  70     ByteGrabber& operator >> (sal_Int8& rInt8);
  71     ByteGrabber& operator >> (sal_Int16& rInt16);
  72     ByteGrabber& operator >> (sal_Int32& rInt32);
  73     ByteGrabber& operator >> (sal_uInt8& ruInt8);
  74     ByteGrabber& operator >> (sal_uInt16& ruInt16);
  75     ByteGrabber& operator >> (sal_uInt32& ruInt32);
  76 };
  77
  78 #endif
  79
  80 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */