00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999 The Apache Software Foundation. All rights 00006 * reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, 00021 * if any, must include the following acknowledgment: 00022 * "This product includes software developed by the 00023 * Apache Software Foundation (http://www.apache.org/)." 00024 * Alternately, this acknowledgment may appear in the software itself, 00025 * if and wherever such third-party acknowledgments normally appear. 00026 * 00027 * 4. The names "Xalan" and "Apache Software Foundation" must 00028 * not be used to endorse or promote products derived from this 00029 * software without prior written permission. For written 00030 * permission, please contact apache@apache.org. 00031 * 00032 * 5. Products derived from this software may not be called "Apache", 00033 * nor may "Apache" appear in their name, without prior written 00034 * permission of the Apache Software Foundation. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00040 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00041 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00042 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00043 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00044 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00045 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00046 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00047 * SUCH DAMAGE. 00048 * ==================================================================== 00049 * 00050 * This software consists of voluntary contributions made by many 00051 * individuals on behalf of the Apache Software Foundation and was 00052 * originally based on software copyright (c) 1999, International 00053 * Business Machines, Inc., http://www.ibm.com. For more 00054 * information on the Apache Software Foundation, please see 00055 * <http://www.apache.org/>. 00056 */ 00057 #if !defined(XRESULTTREEFRAG_HEADER_GUARD_1357924680) 00058 #define XRESULTTREEFRAG_HEADER_GUARD_1357924680 00059 00060 00061 00062 // Base header file. Must be first. 00063 #include <XPath/XPathDefinitions.hpp> 00064 00065 00066 00067 #include <XalanDOM/XalanDOMString.hpp> 00068 00069 00070 00071 #if defined(XALAN_AUTO_PTR_REQUIRES_DEFINITION) 00072 #include <XPath/ResultTreeFragBase.hpp> 00073 #endif 00074 00075 00076 00077 #include <Include/XalanAutoPtr.hpp> 00078 00079 00080 00081 // Base class header file. 00082 #include <XPath/NodeRefListBase.hpp> 00083 #include <XPath/XObject.hpp> 00084 00085 00086 00087 #include <XPath/XPathExecutionContext.hpp> 00088 00089 00090 00091 class ResultTreeFragBase; 00092 class XResultTreeFrag; 00093 00094 00095 class XALAN_XPATH_EXPORT XResultTreeFrag : public XObject 00096 { 00097 public: 00098 00099 typedef XObject ParentType; 00100 typedef XPathExecutionContext::BorrowReturnResultTreeFrag BorrowReturnResultTreeFrag; 00101 00102 00108 XResultTreeFrag(BorrowReturnResultTreeFrag& val); 00109 00116 XResultTreeFrag(const XResultTreeFrag& source, 00117 bool deepClone = false); 00118 00119 virtual 00120 ~XResultTreeFrag(); 00121 00122 00123 // These methods are inherited from XObject ... 00124 00125 #if defined(XALAN_NO_COVARIANT_RETURN_TYPE) 00126 virtual XObject* 00127 #else 00128 virtual XResultTreeFrag* 00129 #endif 00130 clone(void* theAddress = 0) const; 00131 00132 virtual XalanDOMString 00133 getTypeString() const; 00134 00135 virtual double 00136 num() const; 00137 00138 virtual bool 00139 boolean() const; 00140 00141 virtual const XalanDOMString& 00142 str() const; 00143 00144 virtual void 00145 str( 00146 FormatterListener& formatterListener, 00147 MemberFunctionPtr function) const; 00148 00149 virtual void 00150 str(XalanDOMString& theBuffer) const; 00151 00152 virtual const ResultTreeFragBase& 00153 rtree(XPathExecutionContext& executionContext) const; 00154 00155 virtual const ResultTreeFragBase& 00156 rtree() const; 00157 00158 virtual const NodeRefListBase& 00159 nodeset() const; 00160 00161 virtual void 00162 ProcessXObjectTypeCallback(XObjectTypeCallback& theCallbackObject); 00163 00164 virtual void 00165 ProcessXObjectTypeCallback(XObjectTypeCallback& theCallbackObject) const; 00166 00170 void 00171 release(); 00172 00178 void 00179 set(BorrowReturnResultTreeFrag& theValue); 00180 00181 // This is a proxy class for result tree fragment to node-set 00182 // conversion. 00183 class XALAN_XPATH_EXPORT NodeRefListBaseProxy : public NodeRefListBase 00184 { 00185 public: 00186 00187 NodeRefListBaseProxy(const XResultTreeFrag& theXResultTreeFrag); 00188 00189 virtual 00190 ~NodeRefListBaseProxy(); 00191 00192 virtual XalanNode* 00193 item(unsigned int index) const; 00194 00195 virtual unsigned int 00196 getLength() const; 00197 00198 virtual unsigned int 00199 indexOf(const XalanNode* theNode) const; 00200 00201 private: 00202 00203 // Not implemented... 00204 NodeRefListBaseProxy(const NodeRefListBaseProxy&); 00205 00206 const XResultTreeFrag& m_xresultTreeFrag; 00207 }; 00208 00209 friend class NodeRefListBaseProxy; 00210 00211 private: 00212 00213 // New member functions for node list compatibility... 00214 XalanNode* 00215 item(unsigned int index) const; 00216 00217 unsigned int 00218 getLength() const; 00219 00220 unsigned int 00221 indexOf(const XalanNode* theNode) const; 00222 00223 00224 // Data members... 00225 BorrowReturnResultTreeFrag m_value; 00226 00227 mutable XalanDOMString m_cachedStringValue; 00228 00229 mutable double m_cachedNumberValue; 00230 00231 #if XALAN_RTREEFRAG_TO_NODESET_CONVERSION 00232 const NodeRefListBaseProxy m_nodeRefListBaseProxy; 00233 #endif 00234 }; 00235 00236 00237 00238 #endif // XRESULTTREEFRAG_HEADER_GUARD_1357924680
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