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(XOBJECTFACTORY_HEADER_GUARD_1357924680) 00058 #define XOBJECTFACTORY_HEADER_GUARD_1357924680 00059 00060 00061 00062 // Base include file. Must be first. 00063 #include <XPath/XPathDefinitions.hpp> 00064 00065 00066 00067 #include <algorithm> 00068 #include <cassert> 00069 #include <set> 00070 00071 00072 00073 #include <XPath/XObject.hpp> 00074 #include <XPath/XPathExecutionContext.hpp> 00075 00076 00077 00078 class XalanNode; 00079 class MutableNodeRefList; 00080 class NodeRefListBase; 00081 class ResultTreeFragBase; 00082 class XObject; 00083 class XObjectPtr; 00084 class XToken; 00085 00086 00087 00091 class XALAN_XPATH_EXPORT XObjectFactory 00092 { 00093 public: 00094 00095 typedef XPathExecutionContext::BorrowReturnMutableNodeRefList BorrowReturnMutableNodeRefList; 00096 typedef XPathExecutionContext::BorrowReturnResultTreeFrag BorrowReturnResultTreeFrag; 00097 typedef XPathExecutionContext::GetAndReleaseCachedString GetAndReleaseCachedString; 00098 00099 00100 XObjectFactory(); 00101 00102 virtual 00103 ~XObjectFactory(); 00104 00105 00112 bool 00113 returnObject(XObject* theXObject) 00114 { 00115 return doReturnObject(theXObject); 00116 } 00117 00122 virtual void 00123 reset() = 0; 00124 00131 virtual const XObjectPtr 00132 createBoolean(bool theValue) = 0; 00133 00140 virtual const XObjectPtr 00141 createNodeSet(BorrowReturnMutableNodeRefList& theValue) = 0; 00142 00149 virtual const XObjectPtr 00150 createNull() = 0; 00151 00158 virtual const XObjectPtr 00159 createNumber(double theValue) = 0; 00160 00169 virtual const XObjectPtr 00170 createNumber(const XToken& theValue) = 0; 00171 00178 virtual const XObjectPtr 00179 createString(const XalanDOMString& theValue) = 0; 00180 00187 virtual const XObjectPtr 00188 createString(const XalanDOMChar* theValue) = 0; 00189 00197 virtual const XObjectPtr 00198 createString( 00199 const XalanDOMChar* theValue, 00200 unsigned int theLength) = 0; 00201 00210 virtual const XObjectPtr 00211 createString(const XToken& theValue) = 0; 00212 00222 virtual const XObjectPtr 00223 createStringReference(const XalanDOMString& theValue) = 0; 00224 00233 virtual const XObjectPtr 00234 createStringAdapter(const XObjectPtr& theValue) = 0; 00235 00242 virtual const XObjectPtr 00243 createString(GetAndReleaseCachedString& theValue) = 0; 00244 00251 virtual const XObjectPtr 00252 createUnknown(const XalanDOMString& theValue) = 0; 00253 00260 virtual const XObjectPtr 00261 createResultTreeFrag(BorrowReturnResultTreeFrag& theValue) = 0; 00262 00269 virtual const XObjectPtr 00270 createSpan(BorrowReturnMutableNodeRefList& theValue) = 0; 00271 00277 #if defined(XALAN_NO_NAMESPACES) 00278 struct DeleteXObjectFunctor : public unary_function<XObject*, void> 00279 #else 00280 struct DeleteXObjectFunctor : public std::unary_function<XObject*, void> 00281 #endif 00282 { 00283 public: 00284 00285 DeleteXObjectFunctor( 00286 XObjectFactory& theFactoryInstance, 00287 bool fInReset = false) : 00288 m_factoryInstance(theFactoryInstance), 00289 m_fInReset(fInReset) 00290 { 00291 } 00292 00293 result_type 00294 operator()(argument_type theXObject) const 00295 { 00296 if (m_fInReset == true) 00297 { 00298 m_factoryInstance.doReturnObject( 00299 theXObject, 00300 true); 00301 } 00302 else 00303 { 00304 m_factoryInstance.returnObject(theXObject); 00305 } 00306 } 00307 00308 private: 00309 00310 XObjectFactory& m_factoryInstance; 00311 00312 const bool m_fInReset; 00313 }; 00314 00315 friend struct DeleteXObjectFunctor; 00316 00317 protected: 00318 00324 XObject::eObjectType 00325 getRealType(const XObject& theXObject) const 00326 { 00327 return theXObject.getRealType(); 00328 } 00329 00335 void 00336 deleteObject(const XObject* theXObject) const 00337 { 00338 #if defined(XALAN_CANNOT_DELETE_CONST) 00339 delete (XObject*)theXObject; 00340 #else 00341 delete theXObject; 00342 #endif 00343 } 00344 00351 00352 virtual bool 00353 doReturnObject( 00354 XObject* theXObject, 00355 bool fInReset = false) = 0; 00356 00357 private: 00358 00359 // Not implemented... 00360 XObjectFactory(const XObjectFactory&); 00361 00362 XObjectFactory& 00363 operator=(const XObjectFactory&); 00364 00365 bool 00366 operator==(const XObjectFactory&) const; 00367 }; 00368 00369 00370 00371 #endif // XOBJECTFACTORY_HEADER_GUARD_1357924680
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