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 #include "config.h"

    28 #include "XPathVariableReference.h"

    29 

    30 #if ENABLE(XPATH)

    31 

    32 #include "Node.h"

    33 #include "XPathValue.h"

    34 

    35 namespace WebCore {

    36 namespace XPath {

    37     

    38 VariableReference::VariableReference(const String& name)

    39     : m_name(name)

    40 {

    41 }

    42 

    43 Value VariableReference::evaluate() const

    44 {

    45     HashMap<String, String>& bindings = evaluationContext().variableBindings;

    46     if (!bindings.contains(m_name))

    47         // FIXME: Is this the right thing to do if an unknown variable is referenced?

    48         return "";

    49     return bindings.get(m_name);

    50 }

    51 

    52 }

    53 }

    54 

    55 #endif // ENABLE(XPATH)