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 24 #ifndef _STGIO_HXX 25 #define _STGIO_HXX 26 27 #include <stgcache.hxx> 28 #include <stgelem.hxx> 29 #include <tools/string.hxx> 30 31 class StgFATStrm; 32 class StgDataStrm; 33 class StgDirStrm; 34 class String; 35 36 enum FAT_ERROR 37 { 38 FAT_OK, 39 FAT_WRONGLENGTH, 40 FAT_UNREFCHAIN, 41 FAT_OVERWRITE, 42 FAT_OUTOFBOUNDS, 43 44 FAT_INMEMORYERROR, 45 FAT_ONFILEERROR, 46 FAT_BOTHERROR 47 }; 48 49 struct StgLinkArg 50 { 51 String aFile; 52 sal_uLong nErr; 53 }; 54 55 class StgIo : public StgCache { 56 void SetupStreams(); // load all internal streams 57 sal_Bool bCopied; 58 public: 59 StgIo(); 60 ~StgIo(); 61 StgHeader aHdr; // storage file header 62 StgFATStrm* pFAT; // FAT stream 63 StgDirStrm* pTOC; // TOC stream 64 StgDataStrm* pDataFAT; // small data FAT stream 65 StgDataStrm* pDataStrm; // small data stream 66 short GetDataPageSize(); // get the logical data page size 67 sal_Bool Load(); // load a storage file 68 sal_Bool Init(); // set up an empty file 69 sal_Bool CommitAll(); // commit everything (root commit) 70 71 static void SetErrorLink( const Link& ); 72 static const Link& GetErrorLink(); 73 sal_uLong ValidateFATs( ); 74 }; 75 76 #endif 77