mappingfilegenerator.h

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// Copyright (C) 2023 basysKom GmbH, opensource@basyskom.com

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

#pragma once

#include <QtCore/qlist.h>

#include <QtCore/qtextstream.h>

#include <cmath>

#include <iostream>

class EnumeratedType;

class Field;

class StructuredType;

class XmlElement;

class MappingFileGenerator

public:

    enum MappingError { NoError, UnanbleToWrite, UnableToResolve };

    MappingFileGenerator(const QList<XmlElement *> &generateMapping,

                         const QString &path,

                         const QString &prefix,

                         const QString &header);

    ~MappingFileGenerator() = default;

    void addGenerateMapping(const QList<XmlElement *> &generateMapping);

    MappingError generateMapping();

private:

    QList<Field *> m_lengthFields;

    QList<Field *> m_switchFields;

    QList<XmlElement *> m_generateMapping;

    QString m_path;

    QString m_prefix;

    QString m_header;

    MappingError generateMappingHeader();

    MappingError generateMappingCpp();

    void generateFieldDecoding(QTextStream &output, const StructuredType *structuredType, const Field *field, int level = 1);

    void generateScalarOrArrayDecoding(QTextStream &output, const StructuredType *structuredType, const Field *field);

    void generateOptionalFieldDecoding(QTextStream &output, const StructuredType *structuredType, const Field *field, int level = 1);

    void generateUnionFieldDecoding(QTextStream &output, const StructuredType *structuredType, const Field *field, int level = 1);

    void generateFieldEncoding(QTextStream &output, const StructuredType *structuredType, const Field *field, int level = 1);

    void generateScalarOrArrayEncoding(QTextStream &output, const StructuredType *structuredType, const Field *field);

    void generateOptionalFieldEncoding(QTextStream &output, const StructuredType *structuredType, const Field *field, int level = 1);

    void generateUnionFieldEncoding(QTextStream &output, const StructuredType *structuredType, const Field *field, int level = 1);

    void generateDeEncodingArray(QTextStream &output);

    void generateDeEncoding(QTextStream &output);

    void generateDecodingEnumeratedType(QTextStream &output, const EnumeratedType *enumeratedType);

    void generateEncodingEnumeratedType(QTextStream &output, const EnumeratedType *enumeratedType);

    void generateDecodingStructuredType(QTextStream &output, const StructuredType *structuredType);

    void generateEncodingStructuredType(QTextStream &output, const StructuredType *structuredType);

    void addRecursionDepthCheck(QTextStream &output);

    MappingFileGenerator::MappingError sortMappings();

};