/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 */

#ifndef INCLUDED_SAX_TOOLS_DOCUMENTHANDLERADAPTER_HXX

#define INCLUDED_SAX_TOOLS_DOCUMENTHANDLERADAPTER_HXX

#include <com/sun/star/xml/sax/XDocumentHandler.hpp>

#include <com/sun/star/xml/sax/XExtendedDocumentHandler.hpp>

namespace sax

{

    /**

     * DocumentHandlerAdapter provides a base class for simple decorators to XDocumentHandlers.

     * It forwards all method calls to a delegate. An inheriting class only needs to override the

     * methods it actually wants to modify.

     *

     * See filters/source/odfflatxml/FlatXml.cxx for an example.

     */

    class DocumentHandlerAdapter : public css::xml::sax::XDocumentHandler

    {

    public:

        // XDocumentHandler

        virtual void SAL_CALL

        startDocument() override

        {

            m_handler->startDocument();

        }

        virtual void SAL_CALL

        endDocument() override

        {

            m_handler->endDocument();

        }

        virtual void SAL_CALL

        startElement(const OUString& aName,

                const css::uno::Reference< css::xml::sax::XAttributeList > & xAttribs) override

        {

            m_handler->startElement(aName, xAttribs);

        }

        virtual void SAL_CALL

        endElement(const OUString& aName) override

        {

            m_handler->endElement(aName);

        }

        virtual void SAL_CALL

        characters(const OUString& aChars) override

        {

            m_handler->characters(aChars);

        }

        virtual void SAL_CALL

        ignorableWhitespace(const OUString& aWhitespaces) override

        {

            m_handler->ignorableWhitespace(aWhitespaces);

        }

        virtual void SAL_CALL

        processingInstruction(const OUString& aTarget, const OUString& aData) override

        {

            m_handler->processingInstruction(aTarget, aData);

        }

        virtual void SAL_CALL

        setDocumentLocator(const css::uno::Reference< css::xml::sax::XLocator > & xLocator) override

        {

            m_handler->setDocumentLocator(xLocator);

        }

        DocumentHandlerAdapter() :

            m_handler(css::uno::Reference< css::xml::sax::XDocumentHandler > (nullptr, css::uno::UNO_QUERY))

        {

        }

        ;

    protected:

        void

        setDelegate(const css::uno::Reference< css::xml::sax::XDocumentHandler >& delegate)

        {

            m_handler = delegate;

        }

        const css::uno::Reference< css::xml::sax::XDocumentHandler >&

        getDelegate() const

        {

            return m_handler;

        }

        virtual

        ~DocumentHandlerAdapter()

        {

        }

    private:

        css::uno::Reference< css::xml::sax::XDocumentHandler > m_handler;

    };

    /**

     * ExtendedDocumentHandlerAdapter provides a base class for simple decorators to XExtendedDocumentHandlers.

     * It forwards all method calls to a delegate. An inheriting class only needs to override the

     * methods it actually wants to modify.

     */

    class ExtendedDocumentHandlerAdapter : public css::xml::sax::XExtendedDocumentHandler

    {

    public:

        // XDocumentHandler

        virtual void SAL_CALL

        startDocument() override

        {

            m_handler->startDocument();

        }

        virtual void SAL_CALL

        endDocument() override

        {

            m_handler->endDocument();

        }

        virtual void SAL_CALL

        startElement(const OUString& aName,

                const css::uno::Reference< css::xml::sax::XAttributeList > & xAttribs) override

        {

            m_handler->startElement(aName, xAttribs);

        }

        virtual void SAL_CALL

        endElement(const OUString& aName) override

        {

            m_handler->endElement(aName);

        }

        virtual void SAL_CALL

        characters(const OUString& aChars) override

        {

            m_handler->characters(aChars);

        }

        virtual void SAL_CALL

        ignorableWhitespace(const OUString& aWhitespaces) override

        {

            m_handler->ignorableWhitespace(aWhitespaces);

        }

        virtual void SAL_CALL

        processingInstruction(const OUString& aTarget, const OUString& aData) override

        {

            m_handler->processingInstruction(aTarget, aData);

        }

        virtual void SAL_CALL

        setDocumentLocator(const css::uno::Reference< css::xml::sax::XLocator > & xLocator) override

        {

            m_handler->setDocumentLocator(xLocator);

        }

        // XExtendedDocumentHandler

        virtual void SAL_CALL

        startCDATA() override

        {

            m_handler->startCDATA();

        }

        virtual void SAL_CALL

        endCDATA() override

        {

            m_handler->endCDATA();

        }

        virtual void SAL_CALL

        comment(const OUString& sComment) override

        {

            m_handler->comment(sComment);

        }

        virtual void SAL_CALL

        unknown(const OUString& sString) override

        {

            m_handler->unknown(sString);

        }

        virtual void SAL_CALL

        allowLineBreak() override

        {

            m_handler->allowLineBreak();

        }

    protected:

        ExtendedDocumentHandlerAdapter() :

            m_handler(css::uno::Reference< css::xml::sax::XExtendedDocumentHandler > (nullptr, css::uno::UNO_QUERY))

        {

        }

        void

        setDelegate(const css::uno::Reference< css::xml::sax::XExtendedDocumentHandler >& delegate)

        {

            m_handler = delegate;

        }

        const css::uno::Reference< css::xml::sax::XExtendedDocumentHandler >&

        getDelegate() const

        {

            return m_handler;

        }

        virtual

        ~ExtendedDocumentHandlerAdapter()

        {

        }

    private:

        css::uno::Reference< css::xml::sax::XExtendedDocumentHandler > m_handler;

    };

}

#endif // INCLUDED_SAX_TOOLS_DOCUMENTHANDLERADAPTER_HXX

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