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21 
22 
23 #ifndef _XMLEARCH_UTIL_RANDOMACCESSSTREAM_HXX_
24 #define _XMLEARCH_UTIL_RANDOMACCESSSTREAM_HXX_
25 
26 #include <osl/file.hxx>
27 
28 namespace xmlsearch {
29 
30 	namespace util {
31 
32 
33 		class RandomAccessStream
34 		{
35 		public:
36 
~RandomAccessStream()37 			virtual ~RandomAccessStream() { };
38 
39 			// The calle is responsible for allocating the buffer
40 			virtual void seek( sal_Int32 ) = 0;
41 			virtual sal_Int32 readBytes( sal_Int8*,sal_Int32 ) = 0;
42 			virtual void writeBytes( sal_Int8*, sal_Int32 ) = 0;
43 			virtual sal_Int32 length() = 0;
44 			virtual void close() = 0;
45 
46 
47 		protected:
48 
49 			enum OPENFLAG { Read = OpenFlag_Read,
50 							Write = OpenFlag_Write,
51 							Create = OpenFlag_Create };
52 
53 		};
54 
55 
56 	}
57 }
58 
59 #endif
60