1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 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