/* -*- 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 <unomodel.hxx>

#include <utility>

#include <xmloff/xmlimp.hxx>

#include <comphelper/errcode.hxx>

#include <deque>

class SmNode;

class SfxMedium;

namespace com::sun::star

{

namespace beans

{

class XPropertySet;

}

}

class SmModel;

typedef std::deque<std::unique_ptr<SmNode>> SmNodeStack;

class SmXMLImportWrapper

{

    rtl::Reference<SmModel> m_xModel;

private:

    // Use customized entities

    bool m_bUseHTMLMLEntities;

public:

    explicit SmXMLImportWrapper(rtl::Reference<SmModel> xRef)

        : m_xModel(std::move(xRef))

        , m_bUseHTMLMLEntities(false)

    {

    }

    ErrCode Import(SfxMedium& rMedium);

    void useHTMLMLEntities(bool bUseHTMLMLEntities) { m_bUseHTMLMLEntities = bUseHTMLMLEntities; }

    static ErrCode

    ReadThroughComponent(const css::uno::Reference<css::io::XInputStream>& xInputStream,

                         const css::uno::Reference<css::lang::XComponent>& xModelComponent,

                         css::uno::Reference<css::uno::XComponentContext> const& rxContext,

                         css::uno::Reference<css::beans::XPropertySet> const& rPropSet,

                         const char* pFilterName, bool bEncrypted, bool bUseHTMLMLEntities);

    static ErrCode

    ReadThroughComponent(const css::uno::Reference<css::embed::XStorage>& xStorage,

                         const css::uno::Reference<css::lang::XComponent>& xModelComponent,

                         const char* pStreamName,

                         css::uno::Reference<css::uno::XComponentContext> const& rxContext,

                         css::uno::Reference<css::beans::XPropertySet> const& rPropSet,

                         const char* pFilterName, bool bUseHTMLMLEntities);

};

class SmXMLImport final : public SvXMLImport

{

    SmNodeStack aNodeStack;

    bool bSuccess;

    int nParseDepth;

    OUString aText;

    sal_Int16 mnSmSyntaxVersion;

public:

    SmXMLImport(const css::uno::Reference<css::uno::XComponentContext>& rContext,

                OUString const& implementationName, SvXMLImportFlags nImportFlags);

    virtual ~SmXMLImport() noexcept override;

    void SAL_CALL endDocument() override;

    SvXMLImportContext* CreateFastContext(

        sal_Int32 nElement,

        const css::uno::Reference<css::xml::sax::XFastAttributeList>& xAttrList) override;

    SmNodeStack& GetNodeStack() { return aNodeStack; }

    bool GetSuccess() const { return bSuccess; }

    [[nodiscard]] const OUString& GetText() const { return aText; }

    void SetText(const OUString& rStr) { aText = rStr; }

    virtual void

    SetViewSettings(const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;

    virtual void SetConfigurationSettings(

        const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;

    void IncParseDepth() { ++nParseDepth; }

    bool TooDeep() const { return nParseDepth >= 2048; }

    void DecParseDepth() { --nParseDepth; }

    void SetSmSyntaxVersion(sal_Int16 nSmSyntaxVersion) { mnSmSyntaxVersion = nSmSyntaxVersion; }

    sal_Int16 GetSmSyntaxVersion() const { return mnSmSyntaxVersion; }

};

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