00001 /* 00002 * Copyright 1999-2004 The Apache Software Foundation. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #if !defined(XPATHEVALUATOR_HEADER_GUARD_1357924680) 00017 #define XPATHEVALUATOR_HEADER_GUARD_1357924680 00018 00019 00020 00021 #include <xalanc/XPath/XPathDefinitions.hpp> 00022 00023 00024 00025 #if defined(XALAN_AUTO_PTR_REQUIRES_DEFINITION) 00026 #include <xalanc/XPath/XObjectFactory.hpp> 00027 #include <xalanc/XPath/XPathFactoryDefault.hpp> 00028 #include <xalanc/XPath/XPathConstructionContextDefault.hpp> 00029 #include <xalanc/XPath/XPathExecutionContextDefault.hpp> 00030 #endif 00031 00032 00033 00034 #include <xalanc/Include/XalanMemMgrAutoPtr.hpp> 00035 00036 00037 00038 #include <xalanc/XalanDOM/XalanDOMString.hpp> 00039 00040 00041 00042 XALAN_CPP_NAMESPACE_BEGIN 00043 00044 00045 00046 #if !defined(XALAN_AUTO_PTR_REQUIRES_DEFINITION) 00047 class XObjectFactory; 00048 class XPathFactoryDefault; 00049 class XPathConstructionContextDefault; 00050 class XPathExecutionContextDefault; 00051 #endif 00052 00053 00054 00055 class DOMSupport; 00056 class NodeRefList; 00057 class PrefixResolver; 00058 class XalanNode; 00059 class XalanElement; 00060 class XObjectPtr; 00061 class XPath; 00062 class XPathEnvSupport; 00063 00064 00065 00066 class XALAN_XPATH_EXPORT XPathEvaluator 00067 { 00068 public: 00069 00070 // Static initializer to be called before any instances are 00071 // created. The call is _not_ thread-safe, you must only call 00072 // it once, unless you have called terminate previously, and 00073 // you want to re-initialize the library. 00074 static void 00075 initialize(MemoryManagerType& theManager XALAN_DEFAULT_MEMMGR); 00076 00077 // Static terminator to be called after all instances 00078 // are destroyed. The call is _not_ thread-safe. Once 00079 // terminated, you can call initialize() again, to 00080 // re-initialize the library. 00081 static void 00082 terminate(); 00083 00084 00085 XPathEvaluator(MemoryManagerType& theManager XALAN_DEFAULT_MEMMGR); 00086 00087 ~XPathEvaluator(); 00088 00100 XalanNode* 00101 selectSingleNode( 00102 DOMSupport& domSupport, 00103 XalanNode* contextNode, 00104 const XalanDOMChar* xpathString, 00105 const XalanElement* namespaceNode = 0); 00106 00118 XalanNode* 00119 selectSingleNode( 00120 DOMSupport& domSupport, 00121 XalanNode* contextNode, 00122 const XalanDOMChar* xpathString, 00123 const PrefixResolver& prefixResolver); 00124 00136 XalanNode* 00137 selectSingleNode( 00138 DOMSupport& domSupport, 00139 XalanNode* contextNode, 00140 const XPath& xpath, 00141 const XalanElement* namespaceNode = 0); 00142 00154 XalanNode* 00155 selectSingleNode( 00156 DOMSupport& domSupport, 00157 XalanNode* contextNode, 00158 const XPath& xpath, 00159 const PrefixResolver& prefixResolver); 00160 00171 NodeRefList& 00172 selectNodeList( 00173 NodeRefList& result, 00174 DOMSupport& domSupport, 00175 XalanNode* contextNode, 00176 const XalanDOMChar* xpathString, 00177 const XalanElement* namespaceNode = 0); 00178 00189 NodeRefList& 00190 selectNodeList( 00191 NodeRefList& result, 00192 DOMSupport& domSupport, 00193 XalanNode* contextNode, 00194 const XalanDOMChar* xpathString, 00195 const PrefixResolver& prefixResolver); 00196 00207 NodeRefList& 00208 selectNodeList( 00209 NodeRefList& result, 00210 DOMSupport& domSupport, 00211 XalanNode* contextNode, 00212 const XPath& xpath, 00213 const XalanElement* namespaceNode = 0); 00214 00225 NodeRefList& 00226 selectNodeList( 00227 NodeRefList& result, 00228 DOMSupport& domSupport, 00229 XalanNode* contextNode, 00230 const XPath& xpath, 00231 const PrefixResolver& prefixResolver); 00232 00249 XObjectPtr 00250 evaluate( 00251 DOMSupport& domSupport, 00252 XalanNode* contextNode, 00253 const XalanDOMChar* xpathString, 00254 const XalanElement* namespaceNode = 0); 00255 00272 XObjectPtr 00273 evaluate( 00274 DOMSupport& domSupport, 00275 XalanNode* contextNode, 00276 const XalanDOMChar* xpathString, 00277 const PrefixResolver& prefixResolver); 00278 00295 XObjectPtr 00296 evaluate( 00297 DOMSupport& domSupport, 00298 XalanNode* contextNode, 00299 const XPath& xpath, 00300 const XalanElement* namespaceNode = 0); 00301 00318 XObjectPtr 00319 evaluate( 00320 DOMSupport& domSupport, 00321 XalanNode* contextNode, 00322 const XPath& xpath, 00323 const PrefixResolver& prefixResolver); 00324 00335 XPath* 00336 createXPath(const XalanDOMChar* xpathString); 00337 00348 XPath* 00349 createXPath( 00350 const XalanDOMChar* xpathString, 00351 DOMSupport& domSupport, 00352 const XalanElement* namespaceNode); 00353 00363 XPath* 00364 createXPath( 00365 const XalanDOMChar* xpathString, 00366 const PrefixResolver& prefixResolver); 00367 00375 bool 00376 destroyXPath(XPath* theXPath); 00377 00378 private: 00379 00391 XObjectPtr 00392 evaluate( 00393 DOMSupport& domSupport, 00394 XalanNode* contextNode, 00395 const XalanDOMChar* xpathString, 00396 const PrefixResolver& prefixResolver, 00397 XPathEnvSupport& envSupport); 00398 00410 XObjectPtr 00411 evaluate( 00412 DOMSupport& domSupport, 00413 XalanNode* contextNode, 00414 const XPath& xpath, 00415 const PrefixResolver& prefixResolver, 00416 XPathEnvSupport& envSupport); 00417 00418 // Data members... 00419 const XalanMemMgrAutoPtr<XObjectFactory> m_xobjectFactory; 00420 00421 const XalanMemMgrAutoPtr<XPathFactoryDefault> m_xpathFactory; 00422 00423 const XalanMemMgrAutoPtr<XPathConstructionContextDefault> m_constructionContext; 00424 00425 const XalanMemMgrAutoPtr<XPathExecutionContextDefault> m_executionContext; 00426 00427 MemoryManagerType& m_memoryManager; 00428 }; 00429 00430 00431 00432 XALAN_CPP_NAMESPACE_END 00433 00434 00435 00436 #endif // XPATHEVALUATOR_HEADER_GUARD_1357924680
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