QxOrm  1.4.5
C++ Object Relational Mapping library
QxSerializeQJson_QMap.h
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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 :
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00030 ****************************************************************************/
00031 
00032 #ifndef _QX_NO_JSON
00033 #ifndef _QX_SERIALIZE_QJSON_QMAP_H_
00034 #define _QX_SERIALIZE_QJSON_QMAP_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/qmap.h>
00051 
00052 #include <QxConvert/QxConvert.h>
00053 #include <QxConvert/QxConvert_Impl.h>
00054 
00055 namespace qx {
00056 namespace cvt {
00057 namespace detail {
00058 
00059 template <typename Key, typename Value>
00060 struct QxConvert_ToJson< QMap<Key, Value> >
00061 {
00062    static inline QJsonValue toJson(const QMap<Key, Value> & t, const QString & format)
00063    {
00064       QJsonArray arr; QJsonValue val;
00065       QMapIterator<Key, Value> itr(t);
00066 
00067       while (itr.hasNext())
00068       {
00069          itr.next(); QJsonObject obj;
00070          val = qx::cvt::to_json(itr.key(), format); obj.insert("key", val);
00071          val = qx::cvt::to_json(itr.value(), format); obj.insert("value", val);
00072          arr.append(obj);
00073       }
00074 
00075       return QJsonValue(arr);
00076    }
00077 };
00078 
00079 template <typename Key, typename Value>
00080 struct QxConvert_FromJson< QMap<Key, Value> >
00081 {
00082    static inline qx_bool fromJson(const QJsonValue & j, QMap<Key, Value> & t, const QString & format)
00083    {
00084       t.clear();
00085       if (! j.isArray()) { return qx_bool(true); }
00086       QJsonArray arr = j.toArray(); QJsonValue val; QJsonObject obj;
00087 
00088       for (int i = 0; i < arr.count(); i++)
00089       {
00090          val = arr.at(i); if (! val.isObject()) { continue; }
00091          obj = val.toObject(); Key key; Value value;
00092          qx::cvt::from_json(obj.value("key"), key, format);
00093          qx::cvt::from_json(obj.value("value"), value, format);
00094          t.insert(key, value);
00095       }
00096 
00097       return qx_bool(true);
00098    }
00099 };
00100 
00101 template <typename Value>
00102 struct QxConvert_ToJson< QMap<QString, Value> >
00103 {
00104    static inline QJsonValue toJson(const QMap<QString, Value> & t, const QString & format)
00105    {
00106       QJsonObject obj; QJsonValue val;
00107       QMapIterator<QString, Value> itr(t);
00108 
00109       while (itr.hasNext())
00110       {
00111          itr.next();
00112          val = qx::cvt::to_json(itr.value(), format);
00113          obj.insert(itr.key(), val);
00114       }
00115 
00116       return QJsonValue(obj);
00117    }
00118 };
00119 
00120 template <typename Value>
00121 struct QxConvert_FromJson< QMap<QString, Value> >
00122 {
00123    static inline qx_bool fromJson(const QJsonValue & j, QMap<QString, Value> & t, const QString & format)
00124    {
00125       t.clear();
00126       if (! j.isObject()) { return qx_bool(true); }
00127       QJsonObject obj = j.toObject(); QJsonValue val;
00128 
00129       for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
00130       {
00131          QString key = itr.key(); Value value;
00132          qx::cvt::from_json(itr.value(), value, format);
00133          t.insert(key, value);
00134       }
00135 
00136       return qx_bool(true);
00137    }
00138 };
00139 
00140 template <typename Value>
00141 struct QxConvert_ToJson< QMap<std::string, Value> >
00142 {
00143    static inline QJsonValue toJson(const QMap<std::string, Value> & t, const QString & format)
00144    {
00145       QJsonObject obj; QJsonValue val;
00146       QMapIterator<std::string, Value> itr(t);
00147 
00148       while (itr.hasNext())
00149       {
00150          itr.next();
00151 
00152 #ifndef QT_NO_STL
00153          QString key = QString::fromStdString(itr.key());
00154 #else // QT_NO_STL
00155          std::string s = itr.key();
00156          QString key = QString::fromLatin1(s.data(), int(s.size()));
00157 #endif // QT_NO_STL
00158 
00159          val = qx::cvt::to_json(itr.value(), format);
00160          obj.insert(key, val);
00161       }
00162 
00163       return QJsonValue(obj);
00164    }
00165 };
00166 
00167 template <typename Value>
00168 struct QxConvert_FromJson< QMap<std::string, Value> >
00169 {
00170    static inline qx_bool fromJson(const QJsonValue & j, QMap<std::string, Value> & t, const QString & format)
00171    {
00172       t.clear();
00173       if (! j.isObject()) { return qx_bool(true); }
00174       QJsonObject obj = j.toObject(); QJsonValue val;
00175 
00176       for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
00177       {
00178          QString key = itr.key(); Value value;
00179          qx::cvt::from_json(itr.value(), value, format);
00180 
00181 #ifndef QT_NO_STL
00182          std::string s = key.toStdString();
00183 #else // QT_NO_STL
00184          std::string s = key.toLatin1().constData();
00185 #endif // QT_NO_STL
00186 
00187          t.insert(s, value);
00188       }
00189 
00190       return qx_bool(true);
00191    }
00192 };
00193 
00194 #if ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))
00195 
00196 template <typename Value>
00197 struct QxConvert_ToJson< QMap<std::wstring, Value> >
00198 {
00199    static inline QJsonValue toJson(const QMap<std::wstring, Value> & t, const QString & format)
00200    {
00201       QJsonObject obj; QJsonValue val;
00202       QMapIterator<std::wstring, Value> itr(t);
00203 
00204       while (itr.hasNext())
00205       {
00206          itr.next();
00207          val = qx::cvt::to_json(itr.value(), format);
00208          obj.insert(QString::fromStdWString(itr.key()), val);
00209       }
00210 
00211       return QJsonValue(obj);
00212    }
00213 };
00214 
00215 template <typename Value>
00216 struct QxConvert_FromJson< QMap<std::wstring, Value> >
00217 {
00218    static inline qx_bool fromJson(const QJsonValue & j, QMap<std::wstring, Value> & t, const QString & format)
00219    {
00220       t.clear();
00221       if (! j.isObject()) { return qx_bool(true); }
00222       QJsonObject obj = j.toObject(); QJsonValue val;
00223 
00224       for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
00225       {
00226          QString key = itr.key(); Value value;
00227          qx::cvt::from_json(itr.value(), value, format);
00228          t.insert(key.toStdWString(), value);
00229       }
00230 
00231       return qx_bool(true);
00232    }
00233 };
00234 
00235 #endif // ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))
00236 
00237 } // namespace detail
00238 } // namespace cvt
00239 } // namespace qx
00240 
00241 #endif // _QX_SERIALIZE_QJSON_QMAP_H_
00242 #endif // _QX_NO_JSON