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