00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999-2002 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 * $ Id: $ 00058 * 00059 * 00060 * @author <a href="mailto:david_n_bertoni@lotus.com">David N. Bertoni</a> 00061 */ 00062 #if !defined(XPATHEXECUTIONCONTEXTDEFAULT_HEADER_GUARD_1357924680) 00063 #define XPATHEXECUTIONCONTEXTDEFAULT_HEADER_GUARD_1357924680 00064 00065 00066 00067 // Base include file. Must be first. 00068 #include <xalanc/XPath/XPathDefinitions.hpp> 00069 00070 00071 00072 #include <deque> 00073 00074 00075 00076 #include <xalanc/Include/XalanObjectCache.hpp> 00077 00078 00079 00080 #include <xalanc/XalanDOM/XalanDOMString.hpp> 00081 00082 00083 00084 // Base class include file. 00085 #include <xalanc/XPath/XPathExecutionContext.hpp> 00086 00087 00088 00089 #include <xalanc/PlatformSupport/XalanDOMStringCache.hpp> 00090 00091 00092 00093 #include <xalanc/XPath/MutableNodeRefList.hpp> 00094 #include <xalanc/XPath/XalanQNameByValue.hpp> 00095 00096 00097 00098 XALAN_CPP_NAMESPACE_BEGIN 00099 00100 00101 00102 class DOMSupport; 00103 class XPathEnvSupport; 00104 class XalanQName; 00105 00106 00107 00111 class XALAN_XPATH_EXPORT XPathExecutionContextDefault : public XPathExecutionContext 00112 { 00113 public: 00114 00125 XPathExecutionContextDefault( 00126 XPathEnvSupport& theXPathEnvSupport, 00127 DOMSupport& theDOMSupport, 00128 XObjectFactory& theXObjectFactory, 00129 XalanNode* theCurrentNode = 0, 00130 const NodeRefListBase* theContextNodeList = 0, 00131 const PrefixResolver* thePrefixResolver = 0); 00132 00142 explicit 00143 XPathExecutionContextDefault( 00144 XalanNode* theCurrentNode = 0, 00145 const NodeRefListBase* theContextNodeList = 0, 00146 const PrefixResolver* thePrefixResolver = 0); 00147 00148 virtual 00149 ~XPathExecutionContextDefault(); 00150 00151 00157 XPathEnvSupport* 00158 getXPathEnvSupport() const 00159 { 00160 return m_xpathEnvSupport; 00161 } 00162 00168 void 00169 setXPathEnvSupport(XPathEnvSupport* theSupport) 00170 { 00171 m_xpathEnvSupport = theSupport; 00172 } 00173 00179 void 00180 setDOMSupport(DOMSupport* theDOMSupport) 00181 { 00182 m_domSupport = theDOMSupport; 00183 } 00184 00190 void 00191 setXObjectFactory(XObjectFactory* theXObjectFactory) 00192 { 00193 m_xobjectFactory = theXObjectFactory; 00194 } 00195 00201 XalanQNameByValue& 00202 getScratchQName() const 00203 { 00204 #if defined(XALAN_NO_MUTABLE) 00205 return ((XPathExecutionContextDefault*)this)->m_scratchQName; 00206 #else 00207 return m_scratchQName; 00208 #endif 00209 } 00210 00211 // These interfaces are inherited from XPathExecutionContext... 00212 00213 virtual void 00214 reset(); 00215 00216 virtual XalanNode* 00217 getCurrentNode() const; 00218 00219 virtual void 00220 setCurrentNode(XalanNode* theCurrentNode); 00221 00222 virtual bool 00223 isNodeAfter( 00224 const XalanNode& node1, 00225 const XalanNode& node2) const; 00226 00227 virtual const NodeRefListBase& 00228 getContextNodeList() const; 00229 00230 virtual void 00231 setContextNodeList(const NodeRefListBase& theList); 00232 00233 virtual size_type 00234 getContextNodeListLength() const; 00235 00236 virtual size_type 00237 getContextNodeListPosition(const XalanNode& contextNode) const; 00238 00239 virtual bool 00240 elementAvailable(const XalanQName& theQName) const; 00241 00242 virtual bool 00243 elementAvailable( 00244 const XalanDOMString& theName, 00245 const LocatorType* locator) const; 00246 00247 virtual bool 00248 functionAvailable(const XalanQName& theQName) const; 00249 00250 virtual bool 00251 functionAvailable( 00252 const XalanDOMString& theName, 00253 const LocatorType* locator) const; 00254 00255 virtual const XObjectPtr 00256 extFunction( 00257 const XalanDOMString& theNamespace, 00258 const XalanDOMString& functionName, 00259 XalanNode* context, 00260 const XObjectArgVectorType& argVec, 00261 const LocatorType* locator); 00262 00263 virtual XalanDocument* 00264 parseXML( 00265 const XalanDOMString& urlString, 00266 const XalanDOMString& base) const; 00267 00268 virtual MutableNodeRefList* 00269 borrowMutableNodeRefList(); 00270 00271 virtual bool 00272 returnMutableNodeRefList(MutableNodeRefList* theList); 00273 00274 virtual MutableNodeRefList* 00275 createMutableNodeRefList() const; 00276 00277 virtual XalanDOMString& 00278 getCachedString(); 00279 00280 virtual bool 00281 releaseCachedString(XalanDOMString& theString); 00282 00283 virtual void 00284 getNodeSetByKey( 00285 XalanDocument* doc, 00286 const XalanQName& qname, 00287 const XalanDOMString& ref, 00288 MutableNodeRefList& nodelist); 00289 00290 virtual void 00291 getNodeSetByKey( 00292 XalanDocument* doc, 00293 const XalanDOMString& name, 00294 const XalanDOMString& ref, 00295 const LocatorType* locator, 00296 MutableNodeRefList& nodelist); 00297 00298 virtual const XObjectPtr 00299 getVariable( 00300 const XalanQName& name, 00301 const LocatorType* locator = 0); 00302 00303 virtual const PrefixResolver* 00304 getPrefixResolver() const; 00305 00306 virtual void 00307 setPrefixResolver(const PrefixResolver* thePrefixResolver); 00308 00309 virtual const XalanDOMString* 00310 getNamespaceForPrefix(const XalanDOMString& prefix) const; 00311 00312 virtual XalanDOMString 00313 findURIFromDoc(const XalanDocument* owner) const; 00314 00315 virtual const XalanDOMString& 00316 getUnparsedEntityURI( 00317 const XalanDOMString& theName, 00318 const XalanDocument& theDocument) const; 00319 00320 virtual bool 00321 shouldStripSourceNode(const XalanNode& node); 00322 00323 virtual bool 00324 getThrowFoundIndex() const; 00325 00326 virtual void 00327 setThrowFoundIndex(bool fThrow); 00328 00329 virtual XalanDocument* 00330 getSourceDocument(const XalanDOMString& theURI) const; 00331 00332 virtual void 00333 setSourceDocument( 00334 const XalanDOMString& theURI, 00335 XalanDocument* theDocument); 00336 00337 virtual const XalanDecimalFormatSymbols* 00338 getDecimalFormatSymbols(const XalanQName& qname); 00339 00340 00341 // These interfaces are inherited from ExecutionContext... 00342 00343 virtual void 00344 error( 00345 const XalanDOMString& msg, 00346 const XalanNode* sourceNode = 0, 00347 const LocatorType* locator = 0) const; 00348 00349 virtual void 00350 error( 00351 const char* msg, 00352 const XalanNode* sourceNode = 0, 00353 const LocatorType* locator = 0) const; 00354 00355 virtual void 00356 warn( 00357 const XalanDOMString& msg, 00358 const XalanNode* sourceNode = 0, 00359 const LocatorType* locator = 0) const; 00360 00361 virtual void 00362 warn( 00363 const char* msg, 00364 const XalanNode* sourceNode = 0, 00365 const LocatorType* locator = 0) const; 00366 00367 virtual void 00368 message( 00369 const XalanDOMString& msg, 00370 const XalanNode* sourceNode = 0, 00371 const LocatorType* locator = 0) const; 00372 00373 virtual void 00374 message( 00375 const char* msg, 00376 const XalanNode* sourceNode = 0, 00377 const LocatorType* locator = 0) const; 00378 00379 protected: 00380 00381 typedef XalanObjectCache<MutableNodeRefList, DefaultCacheCreateFunctor<MutableNodeRefList>, DeleteFunctor<MutableNodeRefList>, ClearCacheResetFunctor<MutableNodeRefList> > NodeListCacheType; 00382 00383 enum { eNodeListCacheListSize = 50 }; 00384 00385 struct ContextNodeListPositionCache 00386 { 00387 ContextNodeListPositionCache() : 00388 m_node(0), 00389 m_index(0) 00390 { 00391 } 00392 00393 void 00394 clear() 00395 { 00396 if (m_node != 0) 00397 { 00398 m_node = 0; 00399 } 00400 } 00401 00402 const XalanNode* m_node; 00403 00404 size_type m_index; 00405 }; 00406 00407 XPathEnvSupport* m_xpathEnvSupport; 00408 00409 DOMSupport* m_domSupport; 00410 00411 XalanNode* m_currentNode; 00412 00413 const NodeRefListBase* m_contextNodeList; 00414 00415 const PrefixResolver* m_prefixResolver; 00416 00417 bool m_throwFoundIndex; 00418 00419 XalanDOMString m_currentPattern; 00420 00421 NodeListCacheType m_nodeListCache; 00422 00423 XalanDOMStringCache m_stringCache; 00424 00425 mutable ContextNodeListPositionCache m_cachedPosition; 00426 00427 mutable XalanQNameByValue m_scratchQName; 00428 00429 static const NodeRefList s_dummyList; 00430 }; 00431 00432 00433 00434 XALAN_CPP_NAMESPACE_END 00435 00436 00437 00438 #endif // XPATHEXECUTIONCONTEXTDEFAULT_HEADER_GUARD_1357924680
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