SVGSupport/kdom/xpath/XPathExpressionImpl.cpp

/*
 * XPathExpressionImpl.cpp - 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 "config.h"
#include "XPathExpressionImpl.h"
#include "DOMStringImpl.h"
#include "NodeImpl.h"
#include "XPathNSResolverImpl.h"
#include "XPathResultImpl.h"

#include "kdomxpath.h"

using namespace KDOM;
using namespace XPath;

XPathExpressionImpl::XPathExpressionImpl( DOMStringImpl *expression, XPathNSResolverImpl *resolver )
    : m_statement( expression->string() ),
    m_resolver( resolver )
{
}

XPathResultImpl *XPathExpressionImpl::evaluate( NodeImpl *contextNode,
                                                unsigned short type,
                                                XPathResultImpl *result_ )
{
    XPathResultImpl *result = result_ ? result_ : new XPathResultImpl;

    *result = XPathResultImpl( m_statement.evaluate( contextNode ) );
    if ( type != ANY_TYPE ) {
        result->convertTo( type );
    }

    return result;
}