third_party/WebKit/Source/core/xml/XPathExpression.h

   1 /*
   2  * Copyright 2005 Frerich Raabe <raabe@kde.org>
   3  * Copyright (C) 2006 Apple Computer, Inc.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #ifndef XPathExpression_h
  28 #define XPathExpression_h
  29
  30 #include "bindings/core/v8/ScriptWrappable.h"
  31 #include "platform/heap/Handle.h"
  32 #include "wtf/Forward.h"
  33
  34 namespace blink {
  35
  36 class ExceptionState;
  37 class Node;
  38 class ScriptValue;
  39 class XPathNSResolver;
  40 class XPathResult;
  41
  42 namespace XPath {
  43 class Expression;
  44 }
  45
  46 class XPathExpression : public GarbageCollected<XPathExpression>, public ScriptWrappable {
  47     DEFINE_WRAPPERTYPEINFO();
  48 public:
  49     static XPathExpression* create()
  50     {
  51         return new XPathExpression;
  52     }
  53
  54     static XPathExpression* createExpression(const String& expression, XPathNSResolver*, ExceptionState&);
  55     XPathResult* evaluate(Node* contextNode, unsigned short type, const ScriptValue&, ExceptionState&);
  56
  57     DECLARE_TRACE();
  58
  59 private:
  60     XPathExpression();
  61
  62     Member<XPath::Expression> m_topExpression;
  63 };
  64
  65 } // namespace blink
  66
  67 #endif // XPathExpression_h