libreoffice/xmlhelp/source/cxxhelp/inc/util/RandomAccessStream.hxx

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#ifndef _XMLEARCH_UTIL_RANDOMACCESSSTREAM_HXX_
#define _XMLEARCH_UTIL_RANDOMACCESSSTREAM_HXX_

#include <osl/file.hxx>

namespace xmlsearch {

    namespace util {


        class RandomAccessStream
        {
        public:

            virtual ~RandomAccessStream() { };

            // The calle is responsible for allocating the buffer
            virtual void seek( sal_Int32 ) = 0;
            virtual sal_Int32 readBytes( sal_Int8*,sal_Int32 ) = 0;
            virtual void writeBytes( sal_Int8*, sal_Int32 ) = 0;
            virtual sal_Int32 length() = 0;
            virtual void close() = 0;


        protected:

            enum OPENFLAG { Read = OpenFlag_Read,
                            Write = OpenFlag_Write,
                            Create = OpenFlag_Create };

        };


    }
}

#endif

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