00001 /* 00002 * Copyright 2002,2004 The Apache Software Foundation. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 /* 00018 * $Id: LocalFileFormatTarget.hpp,v 1.7 2004/09/08 13:55:57 peiyongz Exp $ 00019 * $Log: LocalFileFormatTarget.hpp,v $ 00020 * Revision 1.7 2004/09/08 13:55:57 peiyongz 00021 * Apache License Version 2.0 00022 * 00023 * Revision 1.6 2003/05/16 21:36:55 knoaman 00024 * Memory manager implementation: Modify constructors to pass in the memory manager. 00025 * 00026 * Revision 1.5 2003/05/15 18:26:07 knoaman 00027 * Partial implementation of the configurable memory manager. 00028 * 00029 * Revision 1.4 2003/01/24 20:20:22 tng 00030 * Add method flush to XMLFormatTarget 00031 * 00032 * Revision 1.3 2002/11/27 18:09:25 tng 00033 * [Bug 13447] Performance: Using LocalFileFormatTarget with DOMWriter is very slow. 00034 * 00035 * Revision 1.2 2002/11/04 15:00:21 tng 00036 * C++ Namespace Support. 00037 * 00038 * Revision 1.1 2002/06/19 21:59:26 peiyongz 00039 * DOM3:DOMSave Interface support: LocalFileFormatTarget 00040 * 00041 * 00042 */ 00043 00044 #ifndef LocalFileFormatTarget_HEADER_GUARD_ 00045 #define LocalFileFormatTarget_HEADER_GUARD_ 00046 00047 #include <xercesc/framework/XMLFormatter.hpp> 00048 00049 XERCES_CPP_NAMESPACE_BEGIN 00050 00051 class LocalFileFormatTarget : public XMLFormatTarget { 00052 public: 00053 00056 LocalFileFormatTarget 00057 ( 00058 const XMLCh* const 00059 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager 00060 ); 00061 00062 LocalFileFormatTarget 00063 ( 00064 const char* const 00065 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager 00066 ); 00067 00068 ~LocalFileFormatTarget(); 00070 00071 // ----------------------------------------------------------------------- 00072 // Implementations of the format target interface 00073 // ----------------------------------------------------------------------- 00074 virtual void writeChars(const XMLByte* const toWrite 00075 , const unsigned int count 00076 , XMLFormatter* const formatter); 00077 00078 virtual void flush(); 00079 00080 private: 00081 // ----------------------------------------------------------------------- 00082 // Unimplemented methods. 00083 // ----------------------------------------------------------------------- 00084 LocalFileFormatTarget(const LocalFileFormatTarget&); 00085 LocalFileFormatTarget& operator=(const LocalFileFormatTarget&); 00086 00087 // ----------------------------------------------------------------------- 00088 // Private helpers 00089 // ----------------------------------------------------------------------- 00090 void flushBuffer(); 00091 void insureCapacity(const unsigned int extraNeeded); 00092 00093 // ----------------------------------------------------------------------- 00094 // Private data members 00095 // 00096 // fSource 00097 // The source file that we represent. The FileHandle type is defined 00098 // per platform. 00099 // 00100 // fDataBuf 00101 // The pointer to the buffer data. Its always 00102 // one larger than fCapacity, to leave room for the null terminator. 00103 // 00104 // fIndex 00105 // The current index into the buffer, as characters are appended 00106 // to it. If its zero, then the buffer is empty. 00107 // 00108 // fCapacity 00109 // The current capacity of the buffer. Its actually always one 00110 // larger, to leave room for the null terminator. 00111 // ----------------------------------------------------------------------- 00112 FileHandle fSource; 00113 XMLByte* fDataBuf; 00114 unsigned int fIndex; 00115 unsigned int fCapacity; 00116 MemoryManager* fMemoryManager; 00117 }; 00118 00119 00120 XERCES_CPP_NAMESPACE_END 00121 00122 #endif 00123
