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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#include <childlist.hxx>

#include <libxml/tree.h>

#include <node.hxx>
#include <document.hxx>


namespace DOM
{
    CChildList::CChildList(::rtl::Reference<CNode> const& pBase,
                ::osl::Mutex & rMutex)
        : m_pNode(pBase)
        , m_rMutex(rMutex)
    {
    }

    /**
    The number of nodes in the list.
    */
    sal_Int32 SAL_CALL CChildList::getLength() throw (RuntimeException)
    {
        ::osl::MutexGuard const g(m_rMutex);

        sal_Int32 length = 0;
        if (m_pNode != NULL)
        {
            xmlNodePtr cur = m_pNode->GetNodePtr();
            if (0 != cur) {
                cur = cur->children;
            }
            while (cur != NULL)
            {
                length++;
                cur = cur->next;
            }
        }
        return length;

    }
    /**
    Returns the indexth item in the collection.
    */
    Reference< XNode > SAL_CALL CChildList::item(sal_Int32 index)
        throw (RuntimeException)
    {
        ::osl::MutexGuard const g(m_rMutex);

        if (m_pNode != NULL)
        {
            xmlNodePtr cur = m_pNode->GetNodePtr();
            if (0 != cur) {
                cur = cur->children;
            }
            while (cur != NULL)
            {
                if (index-- == 0) {
                    return Reference< XNode >(
                            m_pNode->GetOwnerDocument().GetCNode(cur).get());
                }
                cur = cur->next;
            }
        }
        return 0;
    }
}