xref: /aoo41x/main/package/inc/ByteGrabber.hxx (revision cdf0e10c)
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27*cdf0e10cSrcweir #ifndef _BYTE_GRABBER_HXX_
28*cdf0e10cSrcweir #define _BYTE_GRABBER_HXX_
29*cdf0e10cSrcweir 
30*cdf0e10cSrcweir #include <com/sun/star/uno/Sequence.h>
31*cdf0e10cSrcweir #include <com/sun/star/uno/Reference.h>
32*cdf0e10cSrcweir #include <com/sun/star/io/BufferSizeExceededException.hpp>
33*cdf0e10cSrcweir #include <com/sun/star/io/IOException.hpp>
34*cdf0e10cSrcweir #include <com/sun/star/io/NotConnectedException.hpp>
35*cdf0e10cSrcweir #include <com/sun/star/uno/RuntimeException.hpp>
36*cdf0e10cSrcweir #include <com/sun/star/lang/IllegalArgumentException.hpp>
37*cdf0e10cSrcweir 
38*cdf0e10cSrcweir #include <osl/mutex.hxx>
39*cdf0e10cSrcweir 
40*cdf0e10cSrcweir namespace com { namespace sun { namespace star {
41*cdf0e10cSrcweir 	namespace io { class XSeekable; class XInputStream; }
42*cdf0e10cSrcweir } } }
43*cdf0e10cSrcweir class ByteGrabber
44*cdf0e10cSrcweir {
45*cdf0e10cSrcweir protected:
46*cdf0e10cSrcweir     ::osl::Mutex m_aMutex;
47*cdf0e10cSrcweir 
48*cdf0e10cSrcweir 	com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
49*cdf0e10cSrcweir 	com::sun::star::uno::Reference < com::sun::star::io::XSeekable > xSeek;
50*cdf0e10cSrcweir 	com::sun::star::uno::Sequence < sal_Int8 > aSequence;
51*cdf0e10cSrcweir 	const sal_Int8 *pSequence;
52*cdf0e10cSrcweir 
53*cdf0e10cSrcweir public:
54*cdf0e10cSrcweir 	ByteGrabber (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xIstream);
55*cdf0e10cSrcweir 	~ByteGrabber();
56*cdf0e10cSrcweir 
57*cdf0e10cSrcweir 	void setInputStream (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewStream);
58*cdf0e10cSrcweir 	// XInputStream
59*cdf0e10cSrcweir     sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
60*cdf0e10cSrcweir 		throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
61*cdf0e10cSrcweir 	// XSeekable
62*cdf0e10cSrcweir     sal_Int64 SAL_CALL seek( sal_Int64 location )
63*cdf0e10cSrcweir 		throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
64*cdf0e10cSrcweir     sal_Int64 SAL_CALL getPosition(  )
65*cdf0e10cSrcweir 		throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
66*cdf0e10cSrcweir     sal_Int64 SAL_CALL getLength(  )
67*cdf0e10cSrcweir 		throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
68*cdf0e10cSrcweir 
69*cdf0e10cSrcweir 	ByteGrabber& operator >> (sal_Int8& rInt8);
70*cdf0e10cSrcweir 	ByteGrabber& operator >> (sal_Int16& rInt16);
71*cdf0e10cSrcweir 	ByteGrabber& operator >> (sal_Int32& rInt32);
72*cdf0e10cSrcweir 	ByteGrabber& operator >> (sal_uInt8& ruInt8);
73*cdf0e10cSrcweir 	ByteGrabber& operator >> (sal_uInt16& ruInt16);
74*cdf0e10cSrcweir 	ByteGrabber& operator >> (sal_uInt32& ruInt32);
75*cdf0e10cSrcweir };
76*cdf0e10cSrcweir 
77*cdf0e10cSrcweir #endif
78