author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 27 Apr 2010 17:46:17 +0300 | |
branch | RCL_3 |
changeset 38 | 4917f9bf7995 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
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/* |
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* Copyright 2005 Frerich Raabe <raabe@kde.org> |
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* Copyright (C) 2006 Apple Computer, Inc. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef XPathStep_h |
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#define XPathStep_h |
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#if ENABLE(XPATH) |
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#include "Node.h" |
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#include "XPathExpressionNode.h" |
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#include "XPathNodeSet.h" |
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namespace WebCore { |
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namespace XPath { |
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class Predicate; |
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class Step : public ParseNode, Noncopyable { |
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public: |
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enum Axis { |
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AncestorAxis, AncestorOrSelfAxis, AttributeAxis, |
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ChildAxis, DescendantAxis, DescendantOrSelfAxis, |
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FollowingAxis, FollowingSiblingAxis, NamespaceAxis, |
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ParentAxis, PrecedingAxis, PrecedingSiblingAxis, |
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SelfAxis |
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}; |
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class NodeTest { |
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public: |
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enum Kind { |
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TextNodeTest, CommentNodeTest, ProcessingInstructionNodeTest, AnyNodeTest, NameTest, |
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ElementNodeTest // XPath 2.0 |
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}; |
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NodeTest(Kind kind) : m_kind(kind) {} |
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NodeTest(Kind kind, const String& data) : m_kind(kind), m_data(data) {} |
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NodeTest(Kind kind, const String& data, const String& namespaceURI) : m_kind(kind), m_data(data), m_namespaceURI(namespaceURI) {} |
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Kind kind() const { return m_kind; } |
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const String data() const { return m_data; } |
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const String namespaceURI() const { return m_namespaceURI; } |
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private: |
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Kind m_kind; |
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String m_data; |
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String m_namespaceURI; |
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}; |
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Step(Axis, const NodeTest& nodeTest, const Vector<Predicate*>& predicates = Vector<Predicate*>()); |
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~Step(); |
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void evaluate(Node* context, NodeSet&) const; |
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Axis axis() const { return m_axis; } |
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NodeTest nodeTest() const { return m_nodeTest; } |
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const Vector<Predicate*>& predicates() const { return m_predicates; } |
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void setAxis(Axis axis) { m_axis = axis; } |
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void setNodeTest(NodeTest nodeTest) { m_nodeTest = nodeTest; } |
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void setPredicates(const Vector<Predicate*>& predicates) { m_predicates = predicates; } |
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private: |
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void parseNodeTest(const String&); |
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void nodesInAxis(Node* context, NodeSet&) const; |
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bool nodeMatches(Node*) const; |
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String namespaceFromNodetest(const String& nodeTest) const; |
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Node::NodeType primaryNodeType(Axis) const; |
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Axis m_axis; |
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NodeTest m_nodeTest; |
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Vector<Predicate*> m_predicates; |
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}; |
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} |
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} |
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#endif // ENABLE(XPATH) |
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#endif // XPath_Step_H |