nostalgia/src/nostalgia/studio/lib/json_write.hpp

77 lines
1.6 KiB
C++

/*
* Copyright 2016 - 2018 gtalent2@gmail.com
*
* 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/.
*/
#pragma once
#include <QJsonArray>
#include <QJsonObject>
#include <QJsonDocument>
#include <ox/std/error.hpp>
#include "json_err.hpp"
namespace nostalgia::studio {
class JsonWriter {
private:
QJsonObject &m_dest;
public:
JsonWriter(QJsonObject &obj);
ox::Error setTypeInfo(const char*, int) { return OxError(0); };
ox::Error field(QString fieldName, int *src);
ox::Error field(QString fieldName, bool *src);
ox::Error field(QString fieldName, double *src);
ox::Error field(QString fieldName, QString *src);
template<typename T>
ox::Error field(QString fieldName, T *src);
template<typename T>
ox::Error field(QString fieldName, QVector<T> *src);
};
template<typename T>
ox::Error JsonWriter::field(QString fieldName, T *src) {
auto obj = QJsonObject();
auto reader = JsonWriter(obj);
auto err = model(&reader, src);
m_dest[fieldName] = obj;
return err;
}
template<typename T>
ox::Error JsonWriter::field(QString fieldName, QVector<T> *src) {
auto err = OxError(0);
QJsonArray a;
for (int i = 0; i < src->size(); i++) {
err |= field(a[i], &src->at(i));
}
m_dest[fieldName] = a;
return err;
}
template<typename T>
ox::Error writeJson(QString *json, T *src) {
auto obj = QJsonObject();
JsonWriter rdr(obj);
auto err = model(&rdr, src);
*json = QJsonDocument(obj).toJson();
return err;
}
}