// Copyright (C) 2021 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QDOMHELPERS_P_H

#define QDOMHELPERS_P_H

#include <qcoreapplication.h>

#include <qdom.h>

#include <private/qglobal_p.h>

QT_REQUIRE_CONFIG(dom);

QT_BEGIN_NAMESPACE

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API. It exists for the convenience of

// qxml.cpp and qdom.cpp. This header file may change from version to version without

// notice, or even be removed.

//

// We mean it.

//

class QDomDocumentPrivate;

class QDomNodePrivate;

class QXmlStreamReader;

class QXmlStreamAttributes;

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

 *

 * QDomBuilder

 *

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

class QDomBuilder

{

public:

    QDomBuilder(QDomDocumentPrivate *d, QXmlStreamReader *r, QDomDocument::ParseOptions options);

    ~QDomBuilder();

    bool endDocument();

    bool startElement(const QString &nsURI, const QString &qName, const QXmlStreamAttributes &atts);

    bool endElement();

    bool characters(const QString &characters, bool cdata = false);

    bool processingInstruction(const QString &target, const QString &data);

    bool skippedEntity(const QString &name);

    bool startDTD(const QString &name, const QString &publicId, const QString &systemId);

    bool parseDTD(const QString &dtd);

    bool comment(const QString &characters);

    bool externalEntityDecl(const QString &name, const QString &publicId, const QString &systemId);

    bool notationDecl(const QString &name, const QString &publicId, const QString &systemId);

    bool unparsedEntityDecl(const QString &name, const QString &publicId, const QString &systemId,

                            const QString &notationName);

    void fatalError(const QString &message);

    QDomDocument::ParseResult result() const { return parseResult; }

    bool preserveSpacingOnlyNodes() const

    { return parseOptions & QDomDocument::ParseOption::PreserveSpacingOnlyNodes; }

private:

    QString dtdInternalSubset(const QString &dtd);

    QDomDocument::ParseResult parseResult;

    QDomDocumentPrivate *doc;

    QDomNodePrivate *node;

    QXmlStreamReader *reader;

    QDomDocument::ParseOptions parseOptions;

};

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

 *

 * QDomParser

 *

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

class QDomParser

{

    Q_DECLARE_TR_FUNCTIONS(QDomParser)

public:

    QDomParser(QDomDocumentPrivate *d, QXmlStreamReader *r, QDomDocument::ParseOptions options);

    bool parse();

    QDomDocument::ParseResult result() const { return domBuilder.result(); }

private:

    bool parseProlog();

    bool parseBody();

    bool parseMarkupDecl();

    QXmlStreamReader *reader;

    QDomBuilder domBuilder;

};

QT_END_NAMESPACE

#endif // QDOMHELPERS_P_H