| QxOrm 1.4.5 C++ Object Relational Mapping library

- Main Page
- Modules
- Namespaces
- Classes
- Files
- Directories

- File List
- File Members

QxSerializeQJson.h
Go to the documentation of this file.

    00001 /****************************************************************************
    00002 **
    00003 ** https://www.qxorm.com/
    00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
    00005 **
    00006 ** This file is part of the QxOrm library
    00007 **
    00008 ** This software is provided 'as-is', without any express or implied
    00009 ** warranty. In no event will the authors be held liable for any
    00010 ** damages arising from the use of this software
    00011 **
    00012 ** Commercial Usage
    00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
    00014 ** accordance with the commercial license agreement provided with the
    00015 ** Software or, alternatively, in accordance with the terms contained in
    00016 ** a written agreement between you and Lionel Marty
    00017 **
    00018 ** GNU General Public License Usage
    00019 ** Alternatively, this file may be used under the terms of the GNU
    00020 ** General Public License version 3.0 as published by the Free Software
    00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
    00022 ** packaging of this file. Please review the following information to
    00023 ** ensure the GNU General Public License version 3.0 requirements will be
    00024 ** met : http://www.gnu.org/copyleft/gpl.html
    00025 **
    00026 ** If you are unsure which license is appropriate for your use, or
    00027 ** if you have questions regarding the use of this file, please contact :
    00028 ** contact@qxorm.com
    00029 **
    00030 ****************************************************************************/
    00031
    00032 #ifndef _QX_NO_JSON
    00033 #ifndef _QX_SERIALIZE_QJSON_H_
    00034 #define _QX_SERIALIZE_QJSON_H_
    00035
    00036 #ifdef _MSC_VER
    00037 #pragma once
    00038 #endif
    00039
    00047 #include <QtCore/qjsonvalue.h>
    00048 #include <QtCore/qjsonobject.h>
    00049 #include <QtCore/qjsonarray.h>
    00050 #include <QtCore/qjsondocument.h>
    00051 #include <QtCore/qfile.h>
    00052
    00053 #include <QxCommon/QxBool.h>
    00054
    00055 #include <QxConvert/QxConvert.h>
    00056
    00057 namespace qx {
    00058 namespace serialization {
    00059
    00064 namespace json {
    00065
    00066 template <class T>
    00067 inline QByteArray to_byte_array(const T & obj, void * owner = NULL, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
    00068 {
    00069    Q_UNUSED(flags); Q_UNUSED(owner);
    00070    QJsonValue val = qx::cvt::to_json(obj, format);
    00071    QJsonDocument doc = (val.isArray() ? QJsonDocument(val.toArray()) : QJsonDocument(val.toObject()));
    00072    return doc.toJson();
    00073 }
    00074
    00075 template <class T>
    00076 inline qx_bool from_byte_array(T & obj, const QByteArray & data, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
    00077 {
    00078    Q_UNUSED(flags);
    00079    QJsonParseError err;
    00080    QJsonDocument doc = QJsonDocument::fromJson(data, (& err));
    00081    if (err.error != QJsonParseError::NoError)
    00082    { return qx_bool(false, static_cast<long>(err.error), err.errorString()); }
    00083    QJsonValue val = (doc.isArray() ? QJsonValue(doc.array()) : QJsonValue(doc.object()));
    00084    return qx::cvt::from_json(val, obj, format);
    00085 }
    00086
    00087 template <class T>
    00088 inline QString to_string(const T & obj, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
    00089 { return QString::fromUtf8(qx::serialization::json::to_byte_array(obj, NULL, flags, format)); }
    00090
    00091 template <class T>
    00092 inline qx_bool from_string(T & obj, const QString & sString, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
    00093 { return qx::serialization::json::from_byte_array(obj, sString.toUtf8(), flags, format); }
    00094
    00095 template <class T>
    00096 inline qx_bool to_file(const T & obj, const QString & sFileName, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
    00097 {
    00098    QByteArray data = qx::serialization::json::to_byte_array(obj, NULL, flags, format);
    00099    QFile file(sFileName);
    00100    if (! file.open(QIODevice::WriteOnly | QIODevice::Truncate))
    00101    { return qx_bool(false, "cannot open file : " + sFileName); }
    00102    file.write(data); file.close();
    00103    return qx_bool(true);
    00104 }
    00105
    00106 template <class T>
    00107 inline qx_bool from_file(T & obj, const QString & sFileName, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
    00108 {
    00109    QFile file(sFileName);
    00110    if (! file.open(QIODevice::ReadOnly))
    00111    { return qx_bool(false, "cannot open file : " + sFileName); }
    00112    QByteArray data = file.readAll(); file.close();
    00113    return qx::serialization::json::from_byte_array(obj, data, flags, format);
    00114 }
    00115
    00116 template <class T>
    00117 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())
    00118 {
    00119    QByteArray data = qx::serialization::json::to_byte_array(obj, NULL, flags, format);
    00120    QByteArray compressed = qCompress(data, iCompressionLevel);
    00121    QFile file(sFileName);
    00122    if (! file.open(QIODevice::WriteOnly | QIODevice::Truncate))
    00123    { return qx_bool(false, "cannot open file : " + sFileName); }
    00124    file.write(compressed); file.close();
    00125    return qx_bool(true);
    00126 }
    00127
    00128 template <class T>
    00129 inline qx_bool from_file_compressed(T & obj, const QString & sFileName, unsigned int flags = 1 /* boost::archive::no_header */, const QString & format = QString())
    00130 {
    00131    QFile file(sFileName);
    00132    if (! file.open(QIODevice::ReadOnly))
    00133    { return qx_bool(false, "cannot open file : " + sFileName); }
    00134    QByteArray data = file.readAll(); file.close();
    00135    QByteArray uncompressed = qUncompress(data);
    00136    return qx::serialization::json::from_byte_array(obj, uncompressed, flags, format);
    00137 }
    00138
    00139 } // namespace json
    00140 } // namespace serialization
    00141 } // namespace qx
    00142
    00143 #endif // _QX_SERIALIZE_QJSON_H_
    00144 #endif // _QX_NO_JSON