| #ifndef DOMNodeIteratorImpl_HEADER_GUARD_ |
| #define DOMNodeIteratorImpl_HEADER_GUARD_ |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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: DOMNodeIteratorImpl.hpp 568078 2007-08-21 11:43:25Z amassari $ |
| */ |
| |
| // |
| // 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/DOM.hpp> for the entire |
| // DOM API, or xercesc/dom/DOM*.hpp for individual DOM classes, where the class |
| // name is substituded for the *. |
| // |
| |
| ////////////////////////////////////////////////////////////////////// |
| // DOMNodeIteratorImpl.hpp: interface for the DOMNodeIteratorImpl class. |
| // |
| ////////////////////////////////////////////////////////////////////// |
| |
| #include <xercesc/dom/DOMNode.hpp> |
| #include <xercesc/dom/DOMNodeIterator.hpp> |
| |
| XERCES_CPP_NAMESPACE_BEGIN |
| |
| class CDOM_EXPORT DOMNodeIteratorImpl : public DOMNodeIterator { |
| private: |
| // |
| // Data |
| // |
| // The root. |
| DOMNode* fRoot; |
| |
| // The Document used to create this iterator |
| DOMDocument* fDocument; |
| |
| // The whatToShow mask. |
| unsigned long fWhatToShow; |
| |
| // The NodeFilter reference. |
| DOMNodeFilter* fNodeFilter; |
| |
| |
| // The expandEntity reference flag. |
| bool fExpandEntityReferences; |
| bool fDetached; |
| |
| |
| // |
| // Iterator state - current node and direction. |
| // |
| // Note: The current node and direction are sufficient to implement |
| // the desired behaviour of the current pointer being _between_ |
| // two nodes. The fCurrentNode is actually the last node returned, |
| // and the |
| // direction is whether the pointer is in front or behind this node. |
| // (usually akin to whether the node was returned via nextNode()) |
| // (eg fForward = true) or previousNode() (eg fForward = false). |
| // The last Node returned. |
| DOMNode* fCurrentNode; |
| |
| // The direction of the iterator on the fCurrentNode. |
| // <code> |
| // nextNode() == fForward = true;<br> |
| // previousNode() == fForward = false;<br> |
| // </code> |
| bool fForward; |
| |
| public: |
| virtual ~DOMNodeIteratorImpl (); |
| DOMNodeIteratorImpl ( |
| DOMDocument* fDocument, |
| DOMNode* root, |
| unsigned long whatToShow, |
| DOMNodeFilter* nodeFilter, |
| bool expandEntityRef); |
| |
| DOMNodeIteratorImpl ( const DOMNodeIteratorImpl& toCopy); |
| DOMNodeIteratorImpl& operator= (const DOMNodeIteratorImpl& other); |
| |
| virtual DOMNode* getRoot (); |
| virtual unsigned long getWhatToShow (); |
| virtual DOMNodeFilter* getFilter (); |
| // Get the expandEntity reference flag. |
| virtual bool getExpandEntityReferences(); |
| |
| virtual DOMNode* nextNode (); |
| virtual DOMNode* previousNode (); |
| virtual void detach (); |
| |
| virtual void release(); |
| void removeNode (DOMNode* node); |
| |
| private: |
| DOMNode* matchNodeOrParent (DOMNode* node); |
| DOMNode* nextNode (DOMNode* node, bool visitChildren); |
| DOMNode* previousNode (DOMNode* node); |
| bool acceptNode (DOMNode* node); |
| |
| }; |
| |
| XERCES_CPP_NAMESPACE_END |
| |
| #endif |