Xerces-C++ 3.1.3

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XMLFileMgr.hpp
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1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 /*
19 * $Id: XMLFileMgr.hpp 527149 2007-04-10 14:56:39Z amassari $
20 */
21
22 #if !defined(XERCESC_INCLUDE_GUARD_XMLFILEMGR_HPP)
23 #define XERCESC_INCLUDE_GUARD_XMLFILEMGR_HPP
24
25 #include <xercesc/util/XercesDefs.hpp>
26 #include <xercesc/util/XMemory.hpp>
27
28 XERCES_CPP_NAMESPACE_BEGIN
29
30 typedef void* FileHandle;
31 #define XERCES_Invalid_File_Handle 0
32
33 // Abstract class for files. This is be used to allow multiple file handling implementations.
34 class XMLFileMgr : public XMemory
35 {
36 public:
37 XMLFileMgr() {}
38 virtual ~XMLFileMgr() {}
39
40 // File access
41 virtual FileHandle fileOpen(const XMLCh* path, bool toWrite, MemoryManager* const manager) = 0;
42 virtual FileHandle fileOpen(const char* path, bool toWrite, MemoryManager* const manager) = 0;
43 virtual FileHandle openStdIn(MemoryManager* const manager) = 0;
44
45 virtual void fileClose(FileHandle f, MemoryManager* const manager) = 0;
46 virtual void fileReset(FileHandle f, MemoryManager* const manager) = 0;
47
48 virtual XMLFilePos curPos(FileHandle f, MemoryManager* const manager) = 0;
49 virtual XMLFilePos fileSize(FileHandle f, MemoryManager* const manager) = 0;
50
51 virtual XMLSize_t fileRead(FileHandle f, XMLSize_t byteCount, XMLByte* buffer, MemoryManager* const manager) = 0;
52 virtual void fileWrite(FileHandle f, XMLSize_t byteCount, const XMLByte* buffer, MemoryManager* const manager) = 0;
53
54 // Ancillary path handling routines
55 virtual XMLCh* getFullPath(const XMLCh* const srcPath, MemoryManager* const manager) = 0;
56 virtual XMLCh* getCurrentDirectory(MemoryManager* const manager) = 0;
57 virtual bool isRelative(const XMLCh* const toCheck, MemoryManager* const manager) = 0;
58 };
59
60 XERCES_CPP_NAMESPACE_END
61
62 #endif
63