dom/impl/DOMXPathResultImpl.hpp

0001 /*
0002  * Licensed to the Apache Software Foundation (ASF) under one or more
0003  * contributor license agreements.  See the NOTICE file distributed with
0004  * this work for additional information regarding copyright ownership.
0005  * The ASF licenses this file to You under the Apache License, Version 2.0
0006  * (the "License"); you may not use this file except in compliance with
0007  * the License.  You may obtain a copy of the License at
0008  *
0009  *      http://www.apache.org/licenses/LICENSE-2.0
0010  *
0011  * Unless required by applicable law or agreed to in writing, software
0012  * distributed under the License is distributed on an "AS IS" BASIS,
0013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0014  * See the License for the specific language governing permissions and
0015  * limitations under the License.
0016  */
0017
0018 /*
0019  * $Id$
0020  */
0021
0022 #if !defined(XERCESC_INCLUDE_GUARD_DOMXPATHRESULTIMPL_HPP)
0023 #define XERCESC_INCLUDE_GUARD_DOMXPATHRESULTIMPL_HPP
0024
0025 #include <xercesc/util/XMemory.hpp>
0026 #include <xercesc/dom/DOMXPathResult.hpp>
0027 #include <xercesc/util/RefVectorOf.hpp>
0028
0029 XERCES_CPP_NAMESPACE_BEGIN
0030
0031 class CDOM_EXPORT DOMXPathResultImpl :  public XMemory,
0032                                         public DOMXPathResult
0033 {
0034 public:
0035     DOMXPathResultImpl(ResultType type, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
0036     ~DOMXPathResultImpl();
0037
0038     virtual ResultType getResultType() const;
0039     virtual const DOMTypeInfo *getTypeInfo() const;
0040     virtual bool isNode() const;
0041     virtual bool getBooleanValue() const;
0042     virtual int getIntegerValue() const;
0043     virtual double getNumberValue() const;
0044     virtual const XMLCh* getStringValue() const;
0045     virtual DOMNode* getNodeValue() const;
0046     virtual bool iterateNext();
0047     virtual bool getInvalidIteratorState() const;
0048     virtual bool snapshotItem(XMLSize_t);
0049     virtual XMLSize_t getSnapshotLength() const;
0050
0051     virtual void release();
0052
0053 public:
0054     void reset(ResultType type);
0055     void addResult(DOMNode* node);
0056
0057 protected:
0058     ResultType              fType;
0059     MemoryManager* const    fMemoryManager;
0060     RefVectorOf<DOMNode>*   fSnapshot;
0061     XMLSize_t               fIndex;
0062 };
0063
0064 XERCES_CPP_NAMESPACE_END
0065
0066 #endif