| /* |
| * 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 |
| |
| #include "core/xml/XPathExpressionNode.h" |
| #include "core/xml/XPathNodeSet.h" |
| |
| namespace blink { |
| |
| namespace XPath { |
| |
| class Predicate; |
| class Step; |
| |
| class Filter FINAL : public Expression { |
| public: |
| Filter(PassOwnPtrWillBeRawPtr<Expression>, WillBeHeapVector<OwnPtrWillBeMember<Predicate> >&); |
| virtual ~Filter(); |
| virtual void trace(Visitor*) OVERRIDE; |
| |
| virtual Value evaluate(EvaluationContext&) const OVERRIDE; |
| |
| private: |
| virtual Value::Type resultType() const OVERRIDE { return Value::NodeSetValue; } |
| |
| OwnPtrWillBeMember<Expression> m_expr; |
| WillBeHeapVector<OwnPtrWillBeMember<Predicate> > m_predicates; |
| }; |
| |
| class LocationPath FINAL : public Expression { |
| public: |
| LocationPath(); |
| virtual ~LocationPath(); |
| virtual void trace(Visitor*) OVERRIDE; |
| |
| virtual Value evaluate(EvaluationContext&) const OVERRIDE; |
| void setAbsolute(bool value) { m_absolute = value; setIsContextNodeSensitive(!m_absolute); } |
| void evaluate(EvaluationContext&, NodeSet&) const; // nodes is an input/output parameter |
| void appendStep(Step*); |
| void insertFirstStep(Step*); |
| |
| private: |
| virtual Value::Type resultType() const OVERRIDE { return Value::NodeSetValue; } |
| |
| WillBeHeapVector<RawPtrWillBeMember<Step> > m_steps; |
| bool m_absolute; |
| }; |
| |
| class Path FINAL : public Expression { |
| public: |
| Path(Expression*, LocationPath*); |
| virtual ~Path(); |
| virtual void trace(Visitor*) OVERRIDE; |
| |
| virtual Value evaluate(EvaluationContext&) const OVERRIDE; |
| |
| private: |
| virtual Value::Type resultType() const OVERRIDE { return Value::NodeSetValue; } |
| |
| OwnPtrWillBeMember<Expression> m_filter; |
| OwnPtrWillBeMember<LocationPath> m_path; |
| }; |
| |
| } |
| |
| } |
| #endif // XPathPath_h |