/* -*- 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/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */

#pragma once

#include <statusbarconfiguration.hxx>

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

#include <rtl/ustring.hxx>
#include <rtl/ref.hxx>
#include <comphelper/attributelist.hxx>
#include <cppuhelper/implbase.hxx>

#include <unordered_map>

namespace framework{

// Hash code function for using in all hash maps of follow implementation.

// workaround for incremental linking bugs in MSVC2015
class SAL_DLLPUBLIC_TEMPLATE OReadStatusBarDocumentHandler_Base : public cppu::WeakImplHelper< css::xml::sax::XDocumentHandler > {};

class OReadStatusBarDocumentHandler final : public OReadStatusBarDocumentHandler_Base
{
    public:
        enum StatusBar_XML_Entry
        {
            SB_ELEMENT_STATUSBAR,
            SB_ELEMENT_STATUSBARITEM,
            SB_ATTRIBUTE_URL,
            SB_ATTRIBUTE_ALIGN,
            SB_ATTRIBUTE_STYLE,
            SB_ATTRIBUTE_AUTOSIZE,
            SB_ATTRIBUTE_OWNERDRAW,
            SB_ATTRIBUTE_WIDTH,
            SB_ATTRIBUTE_OFFSET,
            SB_ATTRIBUTE_HELPURL,
            SB_ATTRIBUTE_MANDATORY,
            SB_XML_ENTRY_COUNT
        };

        enum StatusBar_XML_Namespace
        {
            SB_NS_STATUSBAR,
            SB_NS_XLINK
        };

        OReadStatusBarDocumentHandler( const css::uno::Reference< css::container::XIndexContainer >& aStatusBarItems );
        virtual ~OReadStatusBarDocumentHandler() override;

        // XDocumentHandler
        virtual void SAL_CALL startDocument() override;

        virtual void SAL_CALL endDocument() override;

        virtual void SAL_CALL startElement(
            const OUString& aName,
            const css::uno::Reference< css::xml::sax::XAttributeList > &xAttribs) override;

        virtual void SAL_CALL endElement(const OUString& aName) override;

        virtual void SAL_CALL characters(const OUString& aChars) override;

        virtual void SAL_CALL ignorableWhitespace(const OUString& aWhitespaces) override;

        virtual void SAL_CALL processingInstruction(const OUString& aTarget,
                                                    const OUString& aData) override;

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

    private:
        OUString getErrorLineString();

        class StatusBarHashMap : public std::unordered_map<OUString,
                                                           StatusBar_XML_Entry >
        {
        };

        bool                                                      m_bStatusBarStartFound;
        bool                                                      m_bStatusBarItemStartFound;
        StatusBarHashMap                                          m_aStatusBarMap;
        css::uno::Reference< css::container::XIndexContainer >    m_aStatusBarItems;
        css::uno::Reference< css::xml::sax::XLocator >            m_xLocator;
};

class OWriteStatusBarDocumentHandler final
{
    public:
        OWriteStatusBarDocumentHandler(
            const css::uno::Reference< css::container::XIndexAccess >& rStatusBarItems,
            const css::uno::Reference< css::xml::sax::XDocumentHandler >& rWriteDocHandler );
        ~OWriteStatusBarDocumentHandler();

        /// @throws css::xml::sax::SAXException
        /// @throws css::uno::RuntimeException
        void WriteStatusBarDocument();

    private:
        /// @throws css::xml::sax::SAXException
        /// @throws css::uno::RuntimeException
        void WriteStatusBarItem(
            const OUString& rCommandURL,
            sal_Int16            nOffset,
            sal_Int16            nStyle,
            sal_Int16            nWidth );

        css::uno::Reference< css::container::XIndexAccess >       m_aStatusBarItems;
        css::uno::Reference< css::xml::sax::XDocumentHandler >    m_xWriteDocumentHandler;
        OUString                                                  m_aXMLStatusBarNS;
        OUString                                                  m_aXMLXlinkNS;
        OUString                                                  m_aAttributeURL;
};

} // namespace framework

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