/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the  "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "XalanNodeListSurrogate.hpp"


#include "XalanNode.hpp"


namespace XALAN_CPP_NAMESPACE {


XalanNodeListSurrogate::XalanNodeListSurrogate(const XalanNode&     theNode) :
    XalanNodeList(),
    m_node(&theNode)
{
}


XalanNodeListSurrogate::XalanNodeListSurrogate(const XalanNodeListSurrogate&    theSource) :
    XalanNodeList(theSource),
    m_node(theSource.m_node)
{
}


XalanNodeListSurrogate::~XalanNodeListSurrogate()
{
}


XalanNode*
XalanNodeListSurrogate::item(XalanSize_t    index) const
{
    XalanNode*  theCurrentChild = m_node->getFirstChild();

    for(XalanSize_t i = 0; i < index && theCurrentChild != 0; ++i)
    {
        theCurrentChild = theCurrentChild->getNextSibling();
    }

    return theCurrentChild;
}


XalanSize_t
XalanNodeListSurrogate::getLength() const
{
    XalanSize_t     theLength = 0;

    XalanNode*  theCurrentChild = m_node->getFirstChild();

    while(theCurrentChild != 0)
    {
        ++theLength;
        theCurrentChild = theCurrentChild->getNextSibling();
    }

    return theLength;
}


}