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145 lines
5.6 KiB
145 lines
5.6 KiB
/****************************************************************************
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**
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** https://www.qxorm.com/
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** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
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**
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** This file is part of the QxOrm library
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any
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** damages arising from the use of this software
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**
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** Commercial Usage
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** Licensees holding valid commercial QxOrm licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Lionel Marty
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file 'license.gpl3.txt' included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met : http://www.gnu.org/copyleft/gpl.html
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**
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** If you are unsure which license is appropriate for your use, or
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** if you have questions regarding the use of this file, please contact :
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** contact@qxorm.com
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**
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****************************************************************************/
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#ifndef _QX_NO_JSON
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#ifndef _QX_SERIALIZE_QJSON_H_
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#define _QX_SERIALIZE_QJSON_H_
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#ifdef _MSC_VER
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#pragma once
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#endif
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/*!
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* \file QxSerializeQJson.h
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* \author Lionel Marty
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* \ingroup QxSerialize
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* \brief Provide a serialization engine with Qt QJson classes (this feature requires Qt5)
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*/
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#include <QtCore/qjsonvalue.h>
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#include <QtCore/qjsonobject.h>
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#include <QtCore/qjsonarray.h>
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#include <QtCore/qjsondocument.h>
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#include <QtCore/qfile.h>
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#include <QxCommon/QxBool.h>
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#include <QxConvert/QxConvert.h>
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namespace qx {
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namespace serialization {
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/*!
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* \ingroup QxSerialize
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* \brief serialize a class registered into QxOrm context using Qt QJson serialization engine (this feature requires Qt5)
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*/
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namespace json {
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template <class T>
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inline QByteArray to_byte_array(const T & obj, void * owner = NULL, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
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{
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Q_UNUSED(flags); Q_UNUSED(owner);
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QJsonValue val = qx::cvt::to_json(obj, format);
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QJsonDocument doc = (val.isArray() ? QJsonDocument(val.toArray()) : QJsonDocument(val.toObject()));
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return doc.toJson();
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}
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template <class T>
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inline qx_bool from_byte_array(T & obj, const QByteArray & data, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
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{
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Q_UNUSED(flags);
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QJsonParseError err;
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QJsonDocument doc = QJsonDocument::fromJson(data, (& err));
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if (err.error != QJsonParseError::NoError)
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{ return qx_bool(false, static_cast<long>(err.error), err.errorString()); }
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QJsonValue val = (doc.isArray() ? QJsonValue(doc.array()) : QJsonValue(doc.object()));
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return qx::cvt::from_json(val, obj, format);
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}
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template <class T>
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inline QString to_string(const T & obj, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
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{ return QString::fromUtf8(qx::serialization::json::to_byte_array(obj, NULL, flags, format)); }
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template <class T>
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inline qx_bool from_string(T & obj, const QString & sString, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
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{ return qx::serialization::json::from_byte_array(obj, sString.toUtf8(), flags, format); }
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template <class T>
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inline qx_bool to_file(const T & obj, const QString & sFileName, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
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{
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QByteArray data = qx::serialization::json::to_byte_array(obj, NULL, flags, format);
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QFile file(sFileName);
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if (! file.open(QIODevice::WriteOnly | QIODevice::Truncate))
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{ return qx_bool(false, "cannot open file : " + sFileName); }
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file.write(data); file.close();
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return qx_bool(true);
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}
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template <class T>
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inline qx_bool from_file(T & obj, const QString & sFileName, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
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{
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QFile file(sFileName);
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if (! file.open(QIODevice::ReadOnly))
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{ return qx_bool(false, "cannot open file : " + sFileName); }
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QByteArray data = file.readAll(); file.close();
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return qx::serialization::json::from_byte_array(obj, data, flags, format);
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}
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template <class T>
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inline qx_bool to_file_compressed(const T & obj, const QString & sFileName, unsigned int flags = 1 /* boost::archive::no_header */, int iCompressionLevel = -1, const QString & format = QString())
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{
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QByteArray data = qx::serialization::json::to_byte_array(obj, NULL, flags, format);
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QByteArray compressed = qCompress(data, iCompressionLevel);
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QFile file(sFileName);
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if (! file.open(QIODevice::WriteOnly | QIODevice::Truncate))
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{ return qx_bool(false, "cannot open file : " + sFileName); }
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file.write(compressed); file.close();
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return qx_bool(true);
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}
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template <class T>
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inline qx_bool from_file_compressed(T & obj, const QString & sFileName, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
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{
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QFile file(sFileName);
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if (! file.open(QIODevice::ReadOnly))
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{ return qx_bool(false, "cannot open file : " + sFileName); }
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QByteArray data = file.readAll(); file.close();
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QByteArray uncompressed = qUncompress(data);
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return qx::serialization::json::from_byte_array(obj, uncompressed, flags, format);
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}
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} // namespace json
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} // namespace serialization
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} // namespace qx
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#endif // _QX_SERIALIZE_QJSON_H_
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#endif // _QX_NO_JSON
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