00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999-2004 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(XPATHEVALUATOR_HEADER_GUARD_1357924680) 00058 #define XPATHEVALUATOR_HEADER_GUARD_1357924680 00059 00060 00061 00062 #include <xalanc/XPath/XPathDefinitions.hpp> 00063 00064 00065 00066 #if defined(XALAN_AUTO_PTR_REQUIRES_DEFINITION) 00067 #include <xalanc/XPath/XObjectFactory.hpp> 00068 #include <xalanc/XPath/XPathFactoryDefault.hpp> 00069 #include <xalanc/XPath/XPathConstructionContextDefault.hpp> 00070 #include <xalanc/XPath/XPathExecutionContextDefault.hpp> 00071 #endif 00072 00073 00074 00075 #include <xalanc/Include/XalanAutoPtr.hpp> 00076 00077 00078 00079 #include <xalanc/XalanDOM/XalanDOMString.hpp> 00080 00081 00082 00083 XALAN_CPP_NAMESPACE_BEGIN 00084 00085 00086 00087 #if !defined(XALAN_AUTO_PTR_REQUIRES_DEFINITION) 00088 class XObjectFactory; 00089 class XPathFactoryDefault; 00090 class XPathConstructionContextDefault; 00091 class XPathExecutionContextDefault; 00092 #endif 00093 00094 00095 00096 class DOMSupport; 00097 class NodeRefList; 00098 class PrefixResolver; 00099 class XalanNode; 00100 class XalanElement; 00101 class XObjectPtr; 00102 class XPath; 00103 class XPathEnvSupport; 00104 00105 00106 00107 class XALAN_XPATH_EXPORT XPathEvaluator 00108 { 00109 public: 00110 00111 // Static initializer to be called before any instances are 00112 // created. The call is _not_ thread-safe, you must only call 00113 // it once, unless you have called terminate previously, and 00114 // you want to re-initialize the library. 00115 static void 00116 initialize(); 00117 00118 // Static terminator to be called after all instances 00119 // are destroyed. The call is _not_ thread-safe. Once 00120 // terminated, you can call initialize() again, to 00121 // re-initialize the library. 00122 static void 00123 terminate(); 00124 00125 00126 XPathEvaluator(); 00127 00128 ~XPathEvaluator(); 00129 00141 XalanNode* 00142 selectSingleNode( 00143 DOMSupport& domSupport, 00144 XalanNode* contextNode, 00145 const XalanDOMChar* xpathString, 00146 const XalanElement* namespaceNode = 0); 00147 00159 XalanNode* 00160 selectSingleNode( 00161 DOMSupport& domSupport, 00162 XalanNode* contextNode, 00163 const XalanDOMChar* xpathString, 00164 const PrefixResolver& prefixResolver); 00165 00177 XalanNode* 00178 selectSingleNode( 00179 DOMSupport& domSupport, 00180 XalanNode* contextNode, 00181 const XPath& xpath, 00182 const XalanElement* namespaceNode = 0); 00183 00195 XalanNode* 00196 selectSingleNode( 00197 DOMSupport& domSupport, 00198 XalanNode* contextNode, 00199 const XPath& xpath, 00200 const PrefixResolver& prefixResolver); 00201 00212 NodeRefList 00213 selectNodeList( 00214 DOMSupport& domSupport, 00215 XalanNode* contextNode, 00216 const XalanDOMChar* xpathString, 00217 const XalanElement* namespaceNode = 0); 00218 00229 NodeRefList 00230 selectNodeList( 00231 DOMSupport& domSupport, 00232 XalanNode* contextNode, 00233 const XalanDOMChar* xpathString, 00234 const PrefixResolver& prefixResolver); 00235 00246 NodeRefList 00247 selectNodeList( 00248 DOMSupport& domSupport, 00249 XalanNode* contextNode, 00250 const XPath& xpath, 00251 const XalanElement* namespaceNode = 0); 00252 00263 NodeRefList 00264 selectNodeList( 00265 DOMSupport& domSupport, 00266 XalanNode* contextNode, 00267 const XPath& xpath, 00268 const PrefixResolver& prefixResolver); 00269 00286 XObjectPtr 00287 evaluate( 00288 DOMSupport& domSupport, 00289 XalanNode* contextNode, 00290 const XalanDOMChar* xpathString, 00291 const XalanElement* namespaceNode = 0); 00292 00309 XObjectPtr 00310 evaluate( 00311 DOMSupport& domSupport, 00312 XalanNode* contextNode, 00313 const XalanDOMChar* xpathString, 00314 const PrefixResolver& prefixResolver); 00315 00332 XObjectPtr 00333 evaluate( 00334 DOMSupport& domSupport, 00335 XalanNode* contextNode, 00336 const XPath& xpath, 00337 const XalanElement* namespaceNode = 0); 00338 00355 XObjectPtr 00356 evaluate( 00357 DOMSupport& domSupport, 00358 XalanNode* contextNode, 00359 const XPath& xpath, 00360 const PrefixResolver& prefixResolver); 00361 00372 XPath* 00373 createXPath(const XalanDOMChar* xpathString); 00374 00385 XPath* 00386 createXPath( 00387 const XalanDOMChar* xpathString, 00388 DOMSupport& domSupport, 00389 const XalanElement* namespaceNode); 00390 00400 XPath* 00401 createXPath( 00402 const XalanDOMChar* xpathString, 00403 const PrefixResolver& prefixResolver); 00404 00412 bool 00413 destroyXPath(XPath* theXPath); 00414 00415 private: 00416 00428 XObjectPtr 00429 evaluate( 00430 DOMSupport& domSupport, 00431 XalanNode* contextNode, 00432 const XalanDOMChar* xpathString, 00433 const PrefixResolver& prefixResolver, 00434 XPathEnvSupport& envSupport); 00435 00447 XObjectPtr 00448 evaluate( 00449 DOMSupport& domSupport, 00450 XalanNode* contextNode, 00451 const XPath& xpath, 00452 const PrefixResolver& prefixResolver, 00453 XPathEnvSupport& envSupport); 00454 00455 // Data members... 00456 const XalanAutoPtr<XObjectFactory> m_xobjectFactory; 00457 00458 const XalanAutoPtr<XPathFactoryDefault> m_xpathFactory; 00459 00460 const XalanAutoPtr<XPathConstructionContextDefault> m_constructionContext; 00461 00462 const XalanAutoPtr<XPathExecutionContextDefault> m_executionContext; 00463 }; 00464 00465 00466 00467 XALAN_CPP_NAMESPACE_END 00468 00469 00470 00471 #endif // XPATHEVALUATOR_HEADER_GUARD_1357924680
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