QJsonSchemaChecker.h

#pragma once

#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonValue>
#include <QJsonArray>
#include <QStringList>
#include <QPair>


class QJsonSchemaChecker
{
public:
    QJsonSchemaChecker();
    virtual ~QJsonSchemaChecker();

    bool setSchema(const QJsonObject & schema);

    QPair<bool, bool> validate(const QJsonObject & value, bool ignoreRequired = false);

    QJsonObject getAutoCorrectedConfig(const QJsonObject & value, bool ignoreRequired = false);

    const QStringList & getMessages() const;

private:
    void validate(const QJsonValue &value, const QJsonObject & schema);

    void setMessage(const QString & message);

private:
    // attribute check functions
    void checkType(const QJsonValue & value, const QJsonValue & schema, const QJsonValue & defaultValue);

    void checkProperties(const QJsonObject & value, const QJsonObject & schema);

    void checkAdditionalProperties(const QJsonObject & value, const QJsonValue & schema, const QStringList & ignoredProperties);

    void checkMinimum(const QJsonValue & value, const QJsonValue & schema, const QJsonValue & defaultValue);

    void checkMaximum(const QJsonValue & value, const QJsonValue & schema, const QJsonValue & defaultValue);

    void checkMinLength(const QJsonValue & value, const QJsonValue & schema, const QJsonValue & defaultValue);

    void checkMaxLength(const QJsonValue & value, const QJsonValue & schema, const QJsonValue & defaultValue);

    void checkItems(const QJsonValue & value, const QJsonObject & schema);

    void checkMinItems(const QJsonValue & value, const QJsonValue & schema, const QJsonValue & defaultValue);

    void checkMaxItems(const QJsonValue & value, const QJsonValue & schema, const QJsonValue & defaultValue);

    void checkUniqueItems(const QJsonValue & value, const QJsonValue & schema);

    void checkEnum(const QJsonValue & value, const QJsonValue & schema, const QJsonValue & defaultValue);

private:
    QJsonObject _qSchema;
    bool _ignoreRequired;
    QString _correct;
    QJsonObject _autoCorrected;
    QStringList _currentPath;
    QStringList _messages;
    bool _error;
    bool _schemaError;
};