Xerces-C++: DOMXPathResult.hpp Source File

00001 #ifndef DOMXPathResult_HEADER_GUARD_
00002 #define DOMXPathResult_HEADER_GUARD_
00003 
00004 /*
00005  * Copyright 2001-2004 The Apache Software Foundation.
00006  * 
00007  * Licensed under the Apache License, Version 2.0 (the "License");
00008  * you may not use this file except in compliance with the License.
00009  * You may obtain a copy of the License at
00010  * 
00011  *      http://www.apache.org/licenses/LICENSE-2.0
00012  * 
00013  * Unless required by applicable law or agreed to in writing, software
00014  * distributed under the License is distributed on an "AS IS" BASIS,
00015  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00016  * See the License for the specific language governing permissions and
00017  * limitations under the License.
00018  */
00019 
00020 #include <xercesc/util/XercesDefs.hpp>
00021 
00022 XERCES_CPP_NAMESPACE_BEGIN
00023 
00024 class DOMXPathNSResolver;
00025 class DOMXPathExpression;
00026 class DOMNode;
00027 
00036 class  DOMXPathResult
00037 {
00038 
00039 protected:
00040     // -----------------------------------------------------------------------
00041     //  Hidden constructors
00042     // -----------------------------------------------------------------------
00045     DOMXPathResult() {};
00047 
00048 private:
00049     // -----------------------------------------------------------------------
00050     // Unimplemented constructors and operators
00051     // -----------------------------------------------------------------------
00054     DOMXPathResult(const DOMXPathResult &);
00055     DOMXPathResult& operator = (const  DOMXPathResult&);
00057 
00058 public:
00059     // -----------------------------------------------------------------------
00060     //  All constructors are hidden, just the destructor is available
00061     // -----------------------------------------------------------------------
00068     virtual ~DOMXPathResult() {};
00070 
00071     // -----------------------------------------------------------------------
00072     //  Class Types
00073     // -----------------------------------------------------------------------
00135     enum resultType {
00136                 ANY_TYPE = 0,
00137                 NUMBER_TYPE = 1,
00138                 STRING_TYPE = 2,
00139                 BOOLEAN_TYPE = 3,
00140                 UNORDERED_NODE_ITERATOR_TYPE = 4,
00141                 ORDERED_NODE_ITERATOR_TYPE = 5,
00142                 UNORDERED_NODE_SNAPSHOT_TYPE = 6,
00143                 ORDERED_NODE_SNAPSHOT_TYPE = 7,
00144                 ANY_UNORDERED_NODE_TYPE = 8,
00145                 FIRST_ORDERED_NODE_TYPE = 9
00146     };
00148 
00149 
00150     // -----------------------------------------------------------------------
00151     // Virtual DOMDocument interface
00152     // -----------------------------------------------------------------------
00155 
00156 
00164     virtual bool getBooleanValue() const = 0;
00165 
00175     virtual bool getInvalidIteratorState() const = 0;
00176 
00187     virtual double getNumberValue() const = 0;
00188 
00196     virtual short getResultType() const = 0;
00197         
00205     virtual DOMNode *getSingleNodeValue() const = 0;
00206 
00216     virtual unsigned long getSnapshotLength() const = 0;
00217         
00225     virtual const XMLCh* getStringValue() const = 0;
00226     
00235     virtual DOMNode* iterateNext() const = 0;
00236 
00247     virtual DOMNode* snapshotItem(unsigned long index) const = 0;
00248 
00250 };
00251 
00252 XERCES_CPP_NAMESPACE_END
00253 
00254 #endif