00001 /* 00002 * Licensed to the Apache Software Foundation (ASF) under one 00003 * or more contributor license agreements. See the NOTICE file 00004 * distributed with this work for additional information 00005 * regarding copyright ownership. The ASF licenses this file 00006 * to you under the Apache License, Version 2.0 (the "License"); 00007 * you may not use this file except in compliance with the License. 00008 * You may obtain a copy of the License at 00009 * 00010 * http://www.apache.org/licenses/LICENSE-2.0 00011 * 00012 * Unless required by applicable law or agreed to in writing, software 00013 * distributed under the License is distributed on an "AS IS" BASIS, 00014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00015 * See the License for the specific language governing permissions and 00016 * limitations under the License. 00017 */ 00018 00019 #if !defined(XALANNODELIST_HEADER_GUARD_1357924680) 00020 #define XALANNODELIST_HEADER_GUARD_1357924680 00021 00022 00023 00024 #include "XalanDOMDefinitions.hpp" 00025 00026 00027 00028 XALAN_CPP_NAMESPACE_BEGIN 00029 00030 00031 00032 class XalanNode; 00033 00034 00035 00036 class XALAN_DOM_EXPORT XalanNodeList 00037 { 00038 public: 00039 00040 XalanNodeList(); 00041 00042 virtual 00043 ~XalanNodeList(); 00044 00045 /** @name Get functions. */ 00046 //@{ 00047 /** 00048 * Returns the <code>index</code>th item in the collection. 00049 * 00050 * If <code>index</code> is greater than or equal to the number of nodes in 00051 * the list, this returns <code>null</code>. 00052 * 00053 * @param index Index into the collection. 00054 * @return The node at the <code>index</code>th position in the 00055 * <code>NodeList</code>, or <code>null</code> if that is not a valid 00056 * index. 00057 */ 00058 virtual XalanNode* 00059 item(XalanSize_t index) const = 0; 00060 00061 /** 00062 * Returns the number of nodes in the list. 00063 * 00064 * The range of valid child node indices is 0 to <code>length-1</code> inclusive. 00065 */ 00066 virtual XalanSize_t 00067 getLength() const = 0; 00068 00069 protected: 00070 00071 XalanNodeList(const XalanNodeList& theSource); 00072 00073 XalanNodeList& 00074 operator=(const XalanNodeList& theSource); 00075 00076 bool 00077 operator==(const XalanNodeList& theRHS) const; 00078 00079 private: 00080 }; 00081 00082 00083 00084 XALAN_CPP_NAMESPACE_END 00085 00086 00087 00088 #endif // XALANNODELIST_HEADER_GUARD_1357924680
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