1 /*
2  * Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
3  * Copyright (C) 2006, 2009 Apple 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 XPathFunctions_h
28 #define XPathFunctions_h
29 
30 #if ENABLE(XPATH)
31 
32 #include "XPathExpressionNode.h"
33 
34 namespace WebCore {
35 
36     namespace XPath {
37 
38         class Function : public Expression {
39         public:
40             void setArguments(const Vector<Expression*>&);
setName(const String & name)41             void setName(const String& name) { m_name = name; }
42         protected:
arg(int pos)43             Expression* arg(int pos) { return subExpr(pos); }
arg(int pos)44             const Expression* arg(int pos) const { return subExpr(pos); }
argCount()45             unsigned int argCount() const { return subExprCount(); }
name()46             String name() const { return m_name; }
47 
48         private:
49             String m_name;
50         };
51 
52         Function* createFunction(const String& name, const Vector<Expression*>& args = Vector<Expression*>());
53 
54     } // namespace XPath
55 
56 } // namespace WebCore
57 
58 #endif // ENABLE(XPATH)
59 
60 #endif // XPathFunctions_h
61