XMLFileMgr.hpp

Go to the documentation of this file.
00001 /*
00002  * Licensed to the Apache Software Foundation (ASF) under one or more
00003  * contributor license agreements.  See the NOTICE file distributed with
00004  * this work for additional information regarding copyright ownership.
00005  * The ASF licenses this file to You under the Apache License, Version 2.0
00006  * (the "License"); you may not use this file except in compliance with
00007  * the License.  You may obtain a copy of the License at
00008  * 
00009  *      http://www.apache.org/licenses/LICENSE-2.0
00010  * 
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS,
00013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 /*
00019  * $Id: XMLFileMgr.hpp 527149 2007-04-10 14:56:39Z amassari $
00020  */
00021 
00022 #if !defined(XERCESC_INCLUDE_GUARD_XMLFILEMGR_HPP)
00023 #define XERCESC_INCLUDE_GUARD_XMLFILEMGR_HPP
00024 
00025 #include <xercesc/util/XercesDefs.hpp>
00026 #include <xercesc/util/XMemory.hpp>
00027 
00028 XERCES_CPP_NAMESPACE_BEGIN
00029 
00030 typedef void* FileHandle;
00031 #define XERCES_Invalid_File_Handle 0
00032 
00033 //  Abstract class for files. This is be used to allow multiple file handling implementations.
00034 class XMLFileMgr : public XMemory
00035 {
00036     public:
00037         XMLFileMgr() {}
00038         virtual ~XMLFileMgr() {}
00039 
00040         // File access
00041         virtual FileHandle  fileOpen(const XMLCh* path, bool toWrite, MemoryManager* const manager) = 0;
00042         virtual FileHandle  fileOpen(const char* path, bool toWrite, MemoryManager* const manager) = 0;
00043         virtual FileHandle  openStdIn(MemoryManager* const manager) = 0;
00044         
00045         virtual void        fileClose(FileHandle f, MemoryManager* const manager) = 0;
00046         virtual void        fileReset(FileHandle f, MemoryManager* const manager) = 0;
00047 
00048         virtual XMLFilePos  curPos(FileHandle f, MemoryManager* const manager) = 0;
00049         virtual XMLFilePos  fileSize(FileHandle f, MemoryManager* const manager) = 0;
00050 
00051         virtual XMLSize_t   fileRead(FileHandle f, XMLSize_t byteCount, XMLByte* buffer, MemoryManager* const manager) = 0;
00052         virtual void        fileWrite(FileHandle f, XMLSize_t byteCount, const XMLByte* buffer, MemoryManager* const manager) = 0;
00053         
00054         // Ancillary path handling routines
00055         virtual XMLCh*      getFullPath(const XMLCh* const srcPath, MemoryManager* const manager) = 0;
00056         virtual XMLCh*      getCurrentDirectory(MemoryManager* const manager) = 0;
00057         virtual bool        isRelative(const XMLCh* const toCheck, MemoryManager* const manager) = 0;
00058 };
00059 
00060 XERCES_CPP_NAMESPACE_END
00061 
00062 #endif
00063 

Generated on Wed Sep 24 16:36:33 2008 for Xerces-C++ by  doxygen 1.5.4