/* -*- 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 <sal/config.h>

#include <stack>

#include <string_view>

#include <rtl/ref.hxx>

#include <rtl/ustring.hxx>

#include <utility>

#include <xmlreader/xmlreader.hxx>

#include "additions.hxx"

#include "node.hxx"

#include "nodemap.hxx"

#include "parser.hxx"

#include "type.hxx"

#include "valueparser.hxx"

namespace xmlreader { struct Span; }

namespace configmgr {

class GroupNode;

class LocalizedPropertyNode;

class Modifications;

class Partial;

class PropertyNode;

class SetNode;

struct Data;

class XcuParser: public Parser {

public:

    XcuParser(

        int layer, Data & data, Partial const * partial,

        Modifications * broadcastModifications, Additions * additions);

private:

    virtual ~XcuParser() override;

    virtual xmlreader::XmlReader::Text getTextMode() override;

    virtual bool startElement(

        xmlreader::XmlReader & reader, int nsId, xmlreader::Span const & name,

        std::set< OUString > const * existingDependencies) override;

    virtual void endElement(xmlreader::XmlReader const & reader) override;

    virtual void characters(xmlreader::Span const & span) override;

    enum Operation {

        OPERATION_MODIFY, OPERATION_REPLACE, OPERATION_FUSE, OPERATION_REMOVE };

    static Operation parseOperation(xmlreader::Span const & text);

    bool isAlreadyFinalized(int finalizedLayer) const;

    void handleComponentData(xmlreader::XmlReader & reader);

    void handleItem(xmlreader::XmlReader & reader);

    void handlePropValue(xmlreader::XmlReader & reader, PropertyNode * prop);

    void handleLocpropValue(

        xmlreader::XmlReader & reader, LocalizedPropertyNode * locprop);

    void handleGroupProp(xmlreader::XmlReader & reader, GroupNode * group);

    void handleUnknownGroupProp(

        xmlreader::XmlReader const & reader, GroupNode const * group,

        OUString const & name, Type type, Operation operation,

        bool finalized);

    void handlePlainGroupProp(

        xmlreader::XmlReader const & reader, GroupNode * group,

        NodeMap::iterator const & propertyIndex, std::u16string_view name,

        Type type, Operation operation, bool finalized);

    void handleLocalizedGroupProp(

        xmlreader::XmlReader const & reader, LocalizedPropertyNode * property,

        OUString const & name, Type type, Operation operation,

        bool finalized);

    void handleGroupNode(

        xmlreader::XmlReader & reader, rtl::Reference< Node > const & group);

    void handleSetNode(xmlreader::XmlReader & reader, SetNode * set);

    void recordModification(bool addition);

    struct State {

        rtl::Reference< Node > node; // empty if ignore or <items>

        OUString name; // empty and ignored if !insert

        bool ignore;

        bool insert;

        bool pop;

        static State Ignore(bool thePop) { return State(thePop); }

        static State Modify(rtl::Reference< Node > const & theNode)

        { return State(theNode); }

        static State Insert(

            rtl::Reference< Node > const & theNode, OUString const & theName)

        { return State(theNode, theName); }

    private:

        explicit State(bool thePop): ignore(true), insert(false), pop(thePop) {}

        explicit State(rtl::Reference< Node > theNode):

            node(std::move(theNode)), ignore(false), insert(false), pop(true)

        {}

        State(

            rtl::Reference< Node > theNode, OUString theName):

            node(std::move(theNode)), name(std::move(theName)), ignore(false), insert(true), pop(true)

        {}

    };

    ValueParser valueParser_;

    Data & data_;

    Partial const * partial_;

    Modifications * broadcastModifications_;

    Additions * additions_;

    bool recordModifications_;

    bool trackPath_;

    OUString componentName_;

    std::stack< State > state_;

    std::vector<OUString> path_;

};

}

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