/**************************************************************
 * 
 * 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
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 *************************************************************/



#ifndef DOM_SAXBUILDER_HXX
#define DOM_SAXBUILDER_HXX

#include <stack>
#include <map>

#include <sal/types.h>
#include <osl/mutex.hxx>
#include <cppuhelper/implbase3.hxx>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/uno/Sequence.h>

#include <com/sun/star/uno/XInterface.hpp>
#include <com/sun/star/uno/Exception.hpp>
#include <com/sun/star/xml/dom/XSAXDocumentBuilder.hpp>
#include <com/sun/star/xml/dom/SAXDocumentBuilderState.hpp>
#include <com/sun/star/xml/dom/XDocument.hpp>
#include <com/sun/star/xml/dom/XDocumentFragment.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/xml/sax/XLocator.hpp>
#include <com/sun/star/xml/sax/XAttributeList.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>

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

using com::sun::star::lang::XServiceInfo;
using com::sun::star::lang::XSingleServiceFactory;
using com::sun::star::lang::XMultiServiceFactory;

namespace DOM
{

    typedef std::stack< Reference< XNode > > NodeStack;
    typedef std::map< OUString, OUString > NSMap;
    typedef std::map< OUString, OUString > AttrMap;
    typedef std::stack< NSMap > NSStack;

    class  CSAXDocumentBuilder
	    : public ::cppu::WeakImplHelper3< XDocumentHandler, XSAXDocumentBuilder, XServiceInfo >
    {

    private:
        ::osl::Mutex m_Mutex;
        const Reference< XMultiServiceFactory > m_aServiceManager;

        SAXDocumentBuilderState m_aState;
        NodeStack m_aNodeStack;
        NSStack m_aNSStack;

        OUString resolvePrefix(const OUString& aPrefix);

        Reference< XDocument > m_aDocument;
        Reference< XDocumentFragment > m_aFragment;
        Reference< XLocator > m_aLocator;


    public:

        // call for factory
        static Reference< XInterface > getInstance(const Reference < XMultiServiceFactory >& xFactory);

        // static helpers for service info and component management
        static const char* aImplementationName;
	static const char* aSupportedServiceNames[];
        static OUString _getImplementationName();
        static Sequence< OUString > _getSupportedServiceNames();
        static Reference< XInterface > _getInstance(const Reference< XMultiServiceFactory >& rSMgr);

        CSAXDocumentBuilder(const Reference< XMultiServiceFactory >& mgr);

        // XServiceInfo
        virtual OUString SAL_CALL getImplementationName()
            throw (RuntimeException);
        virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName)
            throw (RuntimeException);
        virtual Sequence< OUString > SAL_CALL getSupportedServiceNames ()
            throw (RuntimeException);

        // XDocumentHandler
        virtual void SAL_CALL startDocument()
            throw( RuntimeException, com::sun::star::xml::sax::SAXException );
        virtual void SAL_CALL endDocument()
            throw( RuntimeException, com::sun::star::xml::sax::SAXException );
        virtual void SAL_CALL startElement( const OUString& aName,
             const Reference< XAttributeList >& xAttribs )
            throw( RuntimeException, com::sun::star::xml::sax::SAXException );
        virtual void SAL_CALL endElement( const OUString& aName )
            throw( RuntimeException, com::sun::star::xml::sax::SAXException );
        virtual void SAL_CALL characters( const OUString& aChars )
            throw( RuntimeException, com::sun::star::xml::sax::SAXException );
        virtual void SAL_CALL ignorableWhitespace( const OUString& aWhitespaces )
            throw( RuntimeException, com::sun::star::xml::sax::SAXException );
        virtual void SAL_CALL processingInstruction( const OUString& aTarget,
             const OUString& aData )
            throw( RuntimeException, com::sun::star::xml::sax::SAXException );
        virtual void SAL_CALL setDocumentLocator( const Reference< XLocator >& xLocator )
            throw( RuntimeException, com::sun::star::xml::sax::SAXException );


        // XSAXDocumentBuilder
        virtual SAXDocumentBuilderState SAL_CALL getState()
            throw (RuntimeException);
        virtual void SAL_CALL reset()
            throw (RuntimeException);
        virtual Reference< XDocument > SAL_CALL getDocument()
            throw (RuntimeException);
        virtual Reference< XDocumentFragment > SAL_CALL getDocumentFragment()
            throw (RuntimeException);
        virtual void SAL_CALL startDocumentFragment(const Reference< XDocument >& ownerDoc)
            throw (RuntimeException);
        virtual void SAL_CALL endDocumentFragment()
            throw (RuntimeException);


    };
}

#endif