/* | |
* Copyright (C) 2005 Frerich Raabe <raabe@kde.org> | |
* Copyright (C) 2006, 2009 Apple Inc. | |
* | |
* 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. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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. | |
*/ | |
#ifndef XPathPath_h | |
#define XPathPath_h | |
#if ENABLE(XPATH) | |
#include "XPathExpressionNode.h" | |
#include "XPathNodeSet.h" | |
namespace WebCore { | |
namespace XPath { | |
class Predicate; | |
class Step; | |
class Filter : public Expression { | |
public: | |
Filter(Expression*, const Vector<Predicate*>& = Vector<Predicate*>()); | |
virtual ~Filter(); | |
virtual Value evaluate() const; | |
private: | |
virtual Value::Type resultType() const { return Value::NodeSetValue; } | |
Expression* m_expr; | |
Vector<Predicate*> m_predicates; | |
}; | |
class LocationPath : public Expression { | |
public: | |
LocationPath(); | |
virtual ~LocationPath(); | |
void setAbsolute(bool value) { m_absolute = value; setIsContextNodeSensitive(!m_absolute); } | |
virtual Value evaluate() const; | |
void evaluate(NodeSet& nodes) const; // nodes is an input/output parameter | |
void appendStep(Step* step); | |
void insertFirstStep(Step* step); | |
private: | |
virtual Value::Type resultType() const { return Value::NodeSetValue; } | |
Vector<Step*> m_steps; | |
bool m_absolute; | |
}; | |
class Path : public Expression { | |
public: | |
Path(Filter*, LocationPath*); | |
virtual ~Path(); | |
virtual Value evaluate() const; | |
private: | |
virtual Value::Type resultType() const { return Value::NodeSetValue; } | |
Filter* m_filter; | |
LocationPath* m_path; | |
}; | |
} | |
} | |
#endif // ENABLE(XPATH) | |
#endif // XPath_Path_H |