?? domstringimpl.hpp
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#ifndef DOMStringImpl_HEADER_GUARD_#define DOMStringImpl_HEADER_GUARD_/* * Copyright 1999-2002,2004 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *//* * $Id: DOMStringImpl.hpp,v 1.4 2004/09/08 13:55:42 peiyongz Exp $ *///// This file is part of the internal implementation of the C++ XML DOM.// It should NOT be included or used directly by application programs.//// Applications should include the file <xercesc/dom/deprecated/DOM.hpp> for the entire// DOM API, or DOM_*.hpp for individual DOM classes, where the class// name is substituded for the *.//#include <xercesc/util/XercesDefs.hpp>#include <xercesc/util/Mutexes.hpp>#include <stdio.h>XERCES_CPP_NAMESPACE_BEGINclass DOMStringData{public: unsigned int fBufferLength; int fRefCount; XMLCh fData[1]; static DOMStringData *allocateBuffer(unsigned int length); inline void addRef(); inline void removeRef();};class DOMStringHandle{public: unsigned int fLength; // The logical length of the DOMString. // This may be shorter than the buffer length. int fRefCount; // The number of DOMString objects pointing to // this string handle. DOMStringData *fDSData; // Pointer to the string buffer. May be null. void *operator new( size_t sizeToAlloc); // StringHandles have custom, optimized void operator delete( void *pvMem ); // memory allocation.private: static void *freeListPtr; // Head of the linked list of unallocated String Handles static DOMStringHandle *blockListPtr; // Head of the linked list of memory blocks from which // string handles are sub-allocated.public: static DOMStringHandle *createNewStringHandle(unsigned int bufLength); DOMStringHandle *cloneStringHandle(); inline void addRef(); inline void removeRef(); ~DOMStringHandle() {}; static void DOMStringCleanup();private: inline DOMStringHandle() {}; static inline XMLMutex &getMutex();};XERCES_CPP_NAMESPACE_END#endif
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