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 191054 2005-06-17 02:56:35Z jberry $ 00019 */ 00020 00021 #ifndef LocalFileFormatTarget_HEADER_GUARD_ 00022 #define LocalFileFormatTarget_HEADER_GUARD_ 00023 00024 #include <xercesc/framework/XMLFormatter.hpp> 00025 00026 XERCES_CPP_NAMESPACE_BEGIN 00027 00028 class XMLPARSER_EXPORT LocalFileFormatTarget : public XMLFormatTarget { 00029 public: 00030 00033 LocalFileFormatTarget 00034 ( 00035 const XMLCh* const 00036 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager 00037 ); 00038 00039 LocalFileFormatTarget 00040 ( 00041 const char* const 00042 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager 00043 ); 00044 00045 ~LocalFileFormatTarget(); 00047 00048 // ----------------------------------------------------------------------- 00049 // Implementations of the format target interface 00050 // ----------------------------------------------------------------------- 00051 virtual void writeChars(const XMLByte* const toWrite 00052 , const unsigned int count 00053 , XMLFormatter* const formatter); 00054 00055 virtual void flush(); 00056 00057 private: 00058 // ----------------------------------------------------------------------- 00059 // Unimplemented methods. 00060 // ----------------------------------------------------------------------- 00061 LocalFileFormatTarget(const LocalFileFormatTarget&); 00062 LocalFileFormatTarget& operator=(const LocalFileFormatTarget&); 00063 00064 // ----------------------------------------------------------------------- 00065 // Private helpers 00066 // ----------------------------------------------------------------------- 00067 void flushBuffer(); 00068 bool insureCapacity(const unsigned int extraNeeded); 00069 00070 // ----------------------------------------------------------------------- 00071 // Private data members 00072 // 00073 // fSource 00074 // The source file that we represent. The FileHandle type is defined 00075 // per platform. 00076 // 00077 // fDataBuf 00078 // The pointer to the buffer data. Its always 00079 // one larger than fCapacity, to leave room for the null terminator. 00080 // 00081 // fIndex 00082 // The current index into the buffer, as characters are appended 00083 // to it. If its zero, then the buffer is empty. 00084 // 00085 // fCapacity 00086 // The current capacity of the buffer. Its actually always one 00087 // larger, to leave room for the null terminator. 00088 // ----------------------------------------------------------------------- 00089 FileHandle fSource; 00090 XMLByte* fDataBuf; 00091 unsigned int fIndex; 00092 unsigned int fCapacity; 00093 MemoryManager* fMemoryManager; 00094 }; 00095 00096 00097 XERCES_CPP_NAMESPACE_END 00098 00099 #endif 00100