xref: /aoo4110/main/unoxml/source/xpath/nodelist.hxx (revision b1cdbd2c)

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#ifndef XPATH_NODELIST_HXX
#define XPATH_NODELIST_HXX

#include <sal/types.h>
#include <rtl/ref.hxx>

#include <cppuhelper/implbase1.hxx>

#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/xml/dom/XNode.hpp>
#include <com/sun/star/xml/dom/XNodeList.hpp>
#include <com/sun/star/xml/xpath/XXPathObject.hpp>

#include "libxml/tree.h"
#include "libxml/xpath.h"

#include <boost/shared_ptr.hpp>


using ::rtl::OUString;
using namespace com::sun::star::uno;
using namespace com::sun::star::xml::dom;
using namespace com::sun::star::xml::xpath;

namespace DOM {
    class CDocument;
}

namespace XPath
{

    class CNodeList : public cppu::WeakImplHelper1< XNodeList >
    {
    private:
        /// #i115995# keep document alive
        ::rtl::Reference< DOM::CDocument > const m_pDocument;
        ::osl::Mutex & m_rMutex;
        /// retain the result set in case the CXPathObject is released
        boost::shared_ptr<xmlXPathObject> m_pXPathObj;
        xmlNodeSetPtr m_pNodeSet;

    public:
        CNodeList(
                ::rtl::Reference<DOM::CDocument> const& pDocument,
                ::osl::Mutex & rMutex,
                boost::shared_ptr<xmlXPathObject> const& rxpathObj);
        /**
        The number of nodes in the list.
        */
        virtual sal_Int32 SAL_CALL getLength() throw (RuntimeException);
        /**
        Returns the indexth item in the collection.
        */
        virtual Reference< XNode > SAL_CALL item(sal_Int32 index)
            throw (RuntimeException);
    };
}

#endif