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