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/*
* variablereference.cc - Copyright 2005 Frerich Raabe <raabe@kde.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "variablereference.h"
#include <dom_stringimpl.h>
using namespace khtml;
using namespace khtml::XPath;
VariableReference::VariableReference(const DOM::DOMString &name)
: m_name(name)
{
}
bool VariableReference::isConstant() const
{
return false;
}
QString VariableReference::dump() const
{
return QString() + "<variablereference name=\"" + m_name.string() + "\"/>";
}
Value VariableReference::doEvaluate() const
{
QHash<DOM::DOMString, DOM::DOMString> &bindings = evaluationContext().variableBindings;
if (!bindings.contains(m_name)) {
// XXX What to do if an unknown variable is referenced?
return Value(DOMString());
}
return Value(bindings[ m_name ]);
}
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