| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xalan" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999, International |
| * Business Machines, Inc., http://www.ibm.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| #if !defined(SIMPLENODELOCATOR_HEADER_GUARD_1357924680) |
| #define SIMPLENODELOCATOR_HEADER_GUARD_1357924680 |
| |
| |
| |
| // Base header file. Must be first. |
| #include <XPath/XPathDefinitions.hpp> |
| |
| |
| |
| #include <XalanDOM/XalanDOMString.hpp> |
| #include <XalanDOM/XalanNode.hpp> |
| |
| |
| |
| #include <XPath/MutableNodeRefList.hpp> |
| #include <XPath/XObject.hpp> |
| #include <XPath/XPath.hpp> |
| |
| |
| |
| class XPathExpression; |
| |
| |
| |
| /** |
| * SimpleNodeLocator implements a search of one or more DOM trees. It |
| * has no constructors, since it is never instantiated. |
| */ |
| class XALAN_XPATH_EXPORT SimpleNodeLocator |
| { |
| public: |
| |
| static const XObjectPtr |
| locationPath( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode& context, |
| int opPos); |
| |
| static XPath::eMatchScore |
| locationPathPattern( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode& context, |
| int opPos); |
| |
| class NodeTester |
| { |
| public: |
| |
| NodeTester( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| int opPos, |
| int argLen, |
| int stepType); |
| |
| XPath::eMatchScore |
| operator()( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const |
| { |
| assert(context.getNodeType() == nodeType); |
| |
| return (this->*m_testFunction)(context, nodeType); |
| } |
| |
| private: |
| |
| typedef XPath::eMatchScore (NodeTester::*MemberFunctionPtr)(const XalanNode&, XalanNode::NodeType) const; |
| |
| |
| XPath::eMatchScore |
| testComment( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testText( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testPI( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testPIName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testNode( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testRoot( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testAttributeNCName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testAttributeQName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testAttributeNamespaceOnly( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testAttributeTotallyWild( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testElementNCName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testElementQName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testElementNamespaceOnly( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testElementTotallyWild( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testNamespaceNCName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testNamespaceTotallyWild( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| XPath::eMatchScore |
| testDefault( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| bool |
| matchLocalName(const XalanNode& context) const; |
| |
| bool |
| matchNamespaceURI(const XalanNode& context) const; |
| |
| bool |
| matchLocalNameAndNamespaceURI(const XalanNode& context) const; |
| |
| bool |
| matchNamespace(const XalanNode& context) const; |
| |
| bool |
| shouldStripSourceNode(const XalanNode& context) const; |
| |
| // Data members... |
| XPathExecutionContext& m_executionContext; |
| |
| const XalanDOMString* m_targetNamespace; |
| |
| const XalanDOMString* m_targetLocalName; |
| |
| MemberFunctionPtr m_testFunction; |
| }; |
| |
| protected: |
| |
| static void |
| step( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| MutableNodeRefList& queryResults); |
| |
| /** |
| * Execute a step in a location path. |
| * |
| * @param xpath The xpath that is executing |
| * @param context The current source tree context node |
| * @param opPos The current position in the xpath operation map array |
| * @param scoreHolder a reference to an XPath::eMatchScore to receive |
| * the result. |
| * @return the last matched context node |
| */ |
| static XalanNode* |
| stepPattern( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| XPath::eMatchScore& scoreHolder); |
| |
| static int |
| findNodeSet( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findRoot( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findParent( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findSelf( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findAncestors( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findAncestorsOrSelf( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findAttributes( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findChildren( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findDescendants( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findFollowing( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findFollowingSiblings( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findPreceeding( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findPreceedingSiblings( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findNamespace( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static int |
| findNodesOnUnknownAxis( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| int stepType, |
| MutableNodeRefList& subQueryResults); |
| |
| static XPath::eMatchScore |
| nodeTest( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| XalanNode::NodeType nodeType, |
| int opPos, |
| int argLen, |
| int stepType); |
| |
| static void |
| predicates( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| int opPos, |
| MutableNodeRefList& subQueryResults, |
| int& endPredicatesPos); |
| |
| static XPath::eMatchScore |
| handleFoundIndex( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| XalanNode* localContext, |
| int startOpPos); |
| |
| private: |
| |
| // Not defined... |
| SimpleNodeLocator(); |
| |
| ~SimpleNodeLocator(); |
| |
| |
| static const XalanDOMString s_emptyString; |
| }; |
| |
| |
| |
| #endif // SIMPLENODELOCATOR_HEADER_GUARD_1357924680 |
