| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * $Id: XPathMatcher.hpp 568078 2007-08-21 11:43:25Z amassari $ |
| */ |
| |
| #if !defined(XPATHMATCHER_HPP) |
| #define XPATHMATCHER_HPP |
| |
| |
| // --------------------------------------------------------------------------- |
| // Includes |
| // --------------------------------------------------------------------------- |
| #include <xercesc/util/ValueStackOf.hpp> |
| #include <xercesc/util/RefVectorOf.hpp> |
| #include <xercesc/framework/XMLBuffer.hpp> |
| |
| XERCES_CPP_NAMESPACE_BEGIN |
| |
| // --------------------------------------------------------------------------- |
| // Forward Declaration |
| // --------------------------------------------------------------------------- |
| class XMLElementDecl; |
| class XercesXPath; |
| class IdentityConstraint; |
| class DatatypeValidator; |
| class XMLStringPool; |
| class XercesLocationPath; |
| class XMLAttr; |
| |
| class VALIDATORS_EXPORT XPathMatcher : public XMemory |
| { |
| public: |
| // ----------------------------------------------------------------------- |
| // Constructors/Destructor |
| // ----------------------------------------------------------------------- |
| XPathMatcher(XercesXPath* const xpath, |
| MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
| XPathMatcher(XercesXPath* const xpath, |
| IdentityConstraint* const ic, |
| MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
| virtual ~XPathMatcher(); |
| |
| // ----------------------------------------------------------------------- |
| // Getter methods |
| // ----------------------------------------------------------------------- |
| IdentityConstraint* getIdentityConstraint() const { return fIdentityConstraint; } |
| MemoryManager* getMemoryManager() const { return fMemoryManager; } |
| |
| // ----------------------------------------------------------------------- |
| // Match methods |
| // ----------------------------------------------------------------------- |
| /** |
| * Returns true if XPath has been matched. |
| */ |
| int isMatched(); |
| virtual int getInitialDepth() const; |
| |
| // ----------------------------------------------------------------------- |
| // XMLDocumentHandler methods |
| // ----------------------------------------------------------------------- |
| virtual void startDocumentFragment(); |
| virtual void startElement(const XMLElementDecl& elemDecl, |
| const unsigned int urlId, |
| const XMLCh* const elemPrefix, |
| const RefVectorOf<XMLAttr>& attrList, |
| const unsigned int attrCount); |
| virtual void endElement(const XMLElementDecl& elemDecl, |
| const XMLCh* const elemContent); |
| |
| protected: |
| |
| enum |
| { |
| XP_MATCHED = 1 // matched any way |
| , XP_MATCHED_A = 3 // matched on the attribute axis |
| , XP_MATCHED_D = 5 // matched on the descendant-or-self axixs |
| , XP_MATCHED_DP = 13 // matched some previous (ancestor) node on the |
| // descendant-or-self-axis, but not this node |
| }; |
| |
| // ----------------------------------------------------------------------- |
| // Match methods |
| // ----------------------------------------------------------------------- |
| /** |
| * This method is called when the XPath handler matches the XPath |
| * expression. Subclasses can override this method to provide default |
| * handling upon a match. |
| */ |
| virtual void matched(const XMLCh* const content, |
| DatatypeValidator* const dv, const bool isNil); |
| |
| private: |
| // ----------------------------------------------------------------------- |
| // Unimplemented constructors and operators |
| // ----------------------------------------------------------------------- |
| XPathMatcher(const XPathMatcher&); |
| XPathMatcher& operator=(const XPathMatcher&); |
| |
| // ----------------------------------------------------------------------- |
| // Helper methods |
| // ----------------------------------------------------------------------- |
| void init(XercesXPath* const xpath); |
| void cleanUp(); |
| |
| // ----------------------------------------------------------------------- |
| // Data members |
| // |
| // fMatched |
| // Indicates whether XPath has been matched or not |
| // |
| // fNoMatchDepth |
| // Indicates whether matching is successful for the given xpath |
| // expression. |
| // |
| // fCurrentStep |
| // Stores current step. |
| // |
| // fStepIndexes |
| // Integer stack of step indexes. |
| // |
| // fLocationPaths |
| // fLocationPathSize |
| // XPath location path, and its size. |
| // |
| // fIdentityConstraint |
| // The identity constraint we're the matcher for. Only used for |
| // selectors. |
| // |
| // ----------------------------------------------------------------------- |
| unsigned int fLocationPathSize; |
| int* fMatched; |
| int* fNoMatchDepth; |
| int* fCurrentStep; |
| RefVectorOf<ValueStackOf<int> >* fStepIndexes; |
| RefVectorOf<XercesLocationPath>* fLocationPaths; |
| IdentityConstraint* fIdentityConstraint; |
| MemoryManager* fMemoryManager; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| // XPathMatcher: Helper methods |
| // --------------------------------------------------------------------------- |
| inline void XPathMatcher::cleanUp() { |
| |
| fMemoryManager->deallocate(fMatched);//delete [] fMatched; |
| fMemoryManager->deallocate(fNoMatchDepth);//delete [] fNoMatchDepth; |
| fMemoryManager->deallocate(fCurrentStep);//delete [] fCurrentStep; |
| delete fStepIndexes; |
| } |
| |
| XERCES_CPP_NAMESPACE_END |
| |
| #endif |
| |
| /** |
| * End of file XPathMatcher.hpp |
| */ |
| |