XPathFunctions.h revision cad810f21b803229eb11403f9209855525a25d57 
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
34namespace WebCore {
35
36    namespace XPath {
37
38        class Function : public Expression {
39        public:
40            void setArguments(const Vector<Expression*>&);
41            void setName(const String& name) { m_name = name; }
42        protected:
43            Expression* arg(int pos) { return subExpr(pos); }
44            const Expression* arg(int pos) const { return subExpr(pos); }
45            unsigned int argCount() const { return subExprCount(); }
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