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*>&);

    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