1*7b6bd0c4SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*7b6bd0c4SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*7b6bd0c4SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*7b6bd0c4SAndrew Rist * distributed with this work for additional information 6*7b6bd0c4SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*7b6bd0c4SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*7b6bd0c4SAndrew Rist * "License"); you may not use this file except in compliance 9*7b6bd0c4SAndrew Rist * with the License. You may obtain a copy of the License at 10cdf0e10cSrcweir * 11*7b6bd0c4SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12cdf0e10cSrcweir * 13*7b6bd0c4SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*7b6bd0c4SAndrew Rist * software distributed under the License is distributed on an 15*7b6bd0c4SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*7b6bd0c4SAndrew Rist * KIND, either express or implied. See the License for the 17*7b6bd0c4SAndrew Rist * specific language governing permissions and limitations 18*7b6bd0c4SAndrew Rist * under the License. 19cdf0e10cSrcweir * 20*7b6bd0c4SAndrew Rist *************************************************************/ 21*7b6bd0c4SAndrew Rist 22*7b6bd0c4SAndrew Rist 23cdf0e10cSrcweir #ifndef _XMLEARCH_UTIL_RANDOMACCESSSTREAM_HXX_ 24cdf0e10cSrcweir #define _XMLEARCH_UTIL_RANDOMACCESSSTREAM_HXX_ 25cdf0e10cSrcweir 26cdf0e10cSrcweir #include <osl/file.hxx> 27cdf0e10cSrcweir 28cdf0e10cSrcweir namespace xmlsearch { 29cdf0e10cSrcweir 30cdf0e10cSrcweir namespace util { 31cdf0e10cSrcweir 32cdf0e10cSrcweir 33cdf0e10cSrcweir class RandomAccessStream 34cdf0e10cSrcweir { 35cdf0e10cSrcweir public: 36cdf0e10cSrcweir ~RandomAccessStream()37cdf0e10cSrcweir virtual ~RandomAccessStream() { }; 38cdf0e10cSrcweir 39cdf0e10cSrcweir // The calle is responsible for allocating the buffer 40cdf0e10cSrcweir virtual void seek( sal_Int32 ) = 0; 41cdf0e10cSrcweir virtual sal_Int32 readBytes( sal_Int8*,sal_Int32 ) = 0; 42cdf0e10cSrcweir virtual void writeBytes( sal_Int8*, sal_Int32 ) = 0; 43cdf0e10cSrcweir virtual sal_Int32 length() = 0; 44cdf0e10cSrcweir virtual void close() = 0; 45cdf0e10cSrcweir 46cdf0e10cSrcweir 47cdf0e10cSrcweir protected: 48cdf0e10cSrcweir 49cdf0e10cSrcweir enum OPENFLAG { Read = OpenFlag_Read, 50cdf0e10cSrcweir Write = OpenFlag_Write, 51cdf0e10cSrcweir Create = OpenFlag_Create }; 52cdf0e10cSrcweir 53cdf0e10cSrcweir }; 54cdf0e10cSrcweir 55cdf0e10cSrcweir 56cdf0e10cSrcweir } 57cdf0e10cSrcweir } 58cdf0e10cSrcweir 59cdf0e10cSrcweir #endif 60