QxOrm  1.4.3
C++ Object Relational Mapping library
QxSerializeQJson_std_unordered_map.h
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00001 /****************************************************************************
00002 **
00003 ** http://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 #ifdef _QX_CPP_11_CONTAINER
00034 #ifndef BOOST_NO_CXX11_STD_UNORDERED
00035 #ifndef _QX_SERIALIZE_QJSON_STD_UNORDERED_MAP_H_
00036 #define _QX_SERIALIZE_QJSON_STD_UNORDERED_MAP_H_
00037 
00038 #ifdef _MSC_VER
00039 #pragma once
00040 #endif
00041 
00049 #include <QtCore/qjsonvalue.h>
00050 #include <QtCore/qjsonobject.h>
00051 #include <QtCore/qjsonarray.h>
00052 
00053 #include <unordered_map>
00054 
00055 #include <QxConvert/QxConvert.h>
00056 #include <QxConvert/QxConvert_Impl.h>
00057 
00058 namespace qx {
00059 namespace cvt {
00060 namespace detail {
00061 
00062 template <typename Key, typename Value>
00063 struct QxConvert_ToJson< std::unordered_map<Key, Value> >
00064 {
00065    static inline QJsonValue toJson(const std::unordered_map<Key, Value> & t, const QString & format)
00066    {
00067       typedef typename std::unordered_map<Key, Value>::const_iterator type_itr;
00068       QJsonArray arr; QJsonValue val;
00069 
00070       for (type_itr itr = t.begin(); itr != t.end(); ++itr)
00071       {
00072          QJsonObject obj;
00073          val = qx::cvt::to_json(itr->first, format); obj.insert("key", val);
00074          val = qx::cvt::to_json(itr->second, format); obj.insert("value", val);
00075          arr.append(obj);
00076       }
00077 
00078       return QJsonValue(arr);
00079    }
00080 };
00081 
00082 template <typename Key, typename Value>
00083 struct QxConvert_FromJson< std::unordered_map<Key, Value> >
00084 {
00085    static inline qx_bool fromJson(const QJsonValue & j, std::unordered_map<Key, Value> & t, const QString & format)
00086    {
00087       t.clear();
00088       if (! j.isArray()) { return qx_bool(true); }
00089       QJsonArray arr = j.toArray(); QJsonValue val; QJsonObject obj;
00090       t.reserve(static_cast<typename std::unordered_map<Key, Value>::size_type>(arr.count()));
00091 
00092       for (int i = 0; i < arr.count(); i++)
00093       {
00094          val = arr.at(i); if (! val.isObject()) { continue; }
00095          obj = val.toObject(); Key key; Value value;
00096          qx::cvt::from_json(obj.value("key"), key, format);
00097          qx::cvt::from_json(obj.value("value"), value, format);
00098          t.insert(std::make_pair(key, value));
00099       }
00100 
00101       return qx_bool(true);
00102    }
00103 };
00104 
00105 template <typename Key, typename Value>
00106 struct QxConvert_ToJson< std::unordered_multimap<Key, Value> >
00107 {
00108    static inline QJsonValue toJson(const std::unordered_multimap<Key, Value> & t, const QString & format)
00109    {
00110       typedef typename std::unordered_multimap<Key, Value>::const_iterator type_itr;
00111       QJsonArray arr; QJsonValue val;
00112 
00113       for (type_itr itr = t.begin(); itr != t.end(); ++itr)
00114       {
00115          QJsonObject obj;
00116          val = qx::cvt::to_json(itr->first, format); obj.insert("key", val);
00117          val = qx::cvt::to_json(itr->second, format); obj.insert("value", val);
00118          arr.append(obj);
00119       }
00120 
00121       return QJsonValue(arr);
00122    }
00123 };
00124 
00125 template <typename Key, typename Value>
00126 struct QxConvert_FromJson< std::unordered_multimap<Key, Value> >
00127 {
00128    static inline qx_bool fromJson(const QJsonValue & j, std::unordered_multimap<Key, Value> & t, const QString & format)
00129    {
00130       t.clear();
00131       if (! j.isArray()) { return qx_bool(true); }
00132       QJsonArray arr = j.toArray(); QJsonValue val; QJsonObject obj;
00133       t.reserve(static_cast<typename std::unordered_multimap<Key, Value>::size_type>(arr.count()));
00134 
00135       for (int i = 0; i < arr.count(); i++)
00136       {
00137          val = arr.at(i); if (! val.isObject()) { continue; }
00138          obj = val.toObject(); Key key; Value value;
00139          qx::cvt::from_json(obj.value("key"), key, format);
00140          qx::cvt::from_json(obj.value("value"), value, format);
00141          t.insert(std::make_pair(key, value));
00142       }
00143 
00144       return qx_bool(true);
00145    }
00146 };
00147 
00148 template <typename Value>
00149 struct QxConvert_ToJson< std::unordered_map<QString, Value> >
00150 {
00151    static inline QJsonValue toJson(const std::unordered_map<QString, Value> & t, const QString & format)
00152    {
00153       typedef typename std::unordered_map<QString, Value>::const_iterator type_itr;
00154       QJsonObject obj; QJsonValue val;
00155 
00156       for (type_itr itr = t.begin(); itr != t.end(); ++itr)
00157       {
00158          val = qx::cvt::to_json(itr->second, format);
00159          obj.insert(itr->first, val);
00160       }
00161 
00162       return QJsonValue(obj);
00163    }
00164 };
00165 
00166 template <typename Value>
00167 struct QxConvert_FromJson< std::unordered_map<QString, Value> >
00168 {
00169    static inline qx_bool fromJson(const QJsonValue & j, std::unordered_map<QString, Value> & t, const QString & format)
00170    {
00171       t.clear();
00172       if (! j.isObject()) { return qx_bool(true); }
00173       QJsonObject obj = j.toObject(); QJsonValue val;
00174       t.reserve(static_cast<typename std::unordered_map<QString, Value>::size_type>(obj.count()));
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          t.insert(std::make_pair(key, value));
00181       }
00182 
00183       return qx_bool(true);
00184    }
00185 };
00186 
00187 template <typename Value>
00188 struct QxConvert_ToJson< std::unordered_map<std::string, Value> >
00189 {
00190    static inline QJsonValue toJson(const std::unordered_map<std::string, Value> & t, const QString & format)
00191    {
00192       typedef typename std::unordered_map<std::string, Value>::const_iterator type_itr;
00193       QJsonObject obj; QJsonValue val;
00194 
00195       for (type_itr itr = t.begin(); itr != t.end(); ++itr)
00196       {
00197 #ifndef QT_NO_STL
00198          QString key = QString::fromStdString(itr->first);
00199 #else // QT_NO_STL
00200          QString key = QString::fromLatin1(itr->first.data(), int(itr->first.size()));
00201 #endif // QT_NO_STL
00202 
00203          val = qx::cvt::to_json(itr->second, format);
00204          obj.insert(key, val);
00205       }
00206 
00207       return QJsonValue(obj);
00208    }
00209 };
00210 
00211 template <typename Value>
00212 struct QxConvert_FromJson< std::unordered_map<std::string, Value> >
00213 {
00214    static inline qx_bool fromJson(const QJsonValue & j, std::unordered_map<std::string, Value> & t, const QString & format)
00215    {
00216       t.clear();
00217       if (! j.isObject()) { return qx_bool(true); }
00218       QJsonObject obj = j.toObject(); QJsonValue val;
00219       t.reserve(static_cast<typename std::unordered_map<std::string, Value>::size_type>(obj.count()));
00220 
00221       for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
00222       {
00223          QString key = itr.key(); Value value;
00224          qx::cvt::from_json(itr.value(), value, format);
00225 
00226 #ifndef QT_NO_STL
00227          std::string s = key.toStdString();
00228 #else // QT_NO_STL
00229          std::string s = key.toLatin1().constData();
00230 #endif // QT_NO_STL
00231 
00232          t.insert(std::make_pair(s, value));
00233       }
00234 
00235       return qx_bool(true);
00236    }
00237 };
00238 
00239 #if ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))
00240 
00241 template <typename Value>
00242 struct QxConvert_ToJson< std::unordered_map<std::wstring, Value> >
00243 {
00244    static inline QJsonValue toJson(const std::unordered_map<std::wstring, Value> & t, const QString & format)
00245    {
00246       typedef typename std::unordered_map<std::wstring, Value>::const_iterator type_itr;
00247       QJsonObject obj; QJsonValue val;
00248 
00249       for (type_itr itr = t.begin(); itr != t.end(); ++itr)
00250       {
00251          val = qx::cvt::to_json(itr->second, format);
00252          obj.insert(QString::fromStdWString(itr->first), val);
00253       }
00254 
00255       return QJsonValue(obj);
00256    }
00257 };
00258 
00259 template <typename Value>
00260 struct QxConvert_FromJson< std::unordered_map<std::wstring, Value> >
00261 {
00262    static inline qx_bool fromJson(const QJsonValue & j, std::unordered_map<std::wstring, Value> & t, const QString & format)
00263    {
00264       t.clear();
00265       if (! j.isObject()) { return qx_bool(true); }
00266       QJsonObject obj = j.toObject(); QJsonValue val;
00267       t.reserve(static_cast<typename std::unordered_map<std::wstring, Value>::size_type>(obj.count()));
00268 
00269       for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
00270       {
00271          QString key = itr.key(); Value value;
00272          qx::cvt::from_json(itr.value(), value, format);
00273          t.insert(std::make_pair(key.toStdWString(), value));
00274       }
00275 
00276       return qx_bool(true);
00277    }
00278 };
00279 
00280 #endif // ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))
00281 
00282 } // namespace detail
00283 } // namespace cvt
00284 } // namespace qx
00285 
00286 #endif // _QX_SERIALIZE_QJSON_STD_UNORDERED_MAP_H_
00287 #endif // BOOST_NO_CXX11_STD_UNORDERED
00288 #endif // _QX_CPP_11_CONTAINER
00289 #endif // _QX_NO_JSON