QxOrm 1.4.9
C++ Object Relational Mapping library
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QxSerializeQJson_std_map.h
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1/****************************************************************************
2**
3** https://www.qxorm.com/
4** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
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6** This file is part of the QxOrm library
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18** GNU General Public License Usage
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31
32#ifndef _QX_NO_JSON
33#ifndef _QX_SERIALIZE_QJSON_STD_MAP_H_
34#define _QX_SERIALIZE_QJSON_STD_MAP_H_
35
36#ifdef _MSC_VER
37#pragma once
38#endif
39
47#include <QtCore/qjsonvalue.h>
48#include <QtCore/qjsonobject.h>
49#include <QtCore/qjsonarray.h>
50
51#include <map>
52
53#include <QxConvert/QxConvert.h>
55
56namespace qx {
57namespace cvt {
58namespace detail {
59
60template <typename Key, typename Value>
61struct QxConvert_ToJson< std::map<Key, Value> >
62{
63 static inline QJsonValue toJson(const std::map<Key, Value> & t, const QString & format)
64 {
65 typedef typename std::map<Key, Value>::const_iterator type_itr;
66 QJsonArray arr; QJsonValue val;
67
68 for (type_itr itr = t.begin(); itr != t.end(); ++itr)
69 {
70 QJsonObject obj;
71 val = qx::cvt::to_json(itr->first, format); obj.insert("key", val);
72 val = qx::cvt::to_json(itr->second, format); obj.insert("value", val);
73 arr.append(obj);
74 }
75
76 return QJsonValue(arr);
77 }
78};
79
80template <typename Key, typename Value>
81struct QxConvert_FromJson< std::map<Key, Value> >
82{
83 static inline qx_bool fromJson(const QJsonValue & j, std::map<Key, Value> & t, const QString & format)
84 {
85 t.clear();
86 if (! j.isArray()) { return qx_bool(true); }
87 QJsonArray arr = j.toArray(); QJsonValue val; QJsonObject obj;
88
89 for (int i = 0; i < arr.count(); i++)
90 {
91 val = arr.at(i); if (! val.isObject()) { continue; }
92 obj = val.toObject(); Key key; Value value;
93 qx::cvt::from_json(obj.value("key"), key, format);
94 qx::cvt::from_json(obj.value("value"), value, format);
95 t.insert(std::make_pair(key, value));
96 }
97
98 return qx_bool(true);
99 }
100};
101
102template <typename Value>
103struct QxConvert_ToJson< std::map<QString, Value> >
104{
105 static inline QJsonValue toJson(const std::map<QString, Value> & t, const QString & format)
106 {
107 typedef typename std::map<QString, Value>::const_iterator type_itr;
108 QJsonObject obj; QJsonValue val;
109
110 for (type_itr itr = t.begin(); itr != t.end(); ++itr)
111 {
112 val = qx::cvt::to_json(itr->second, format);
113 obj.insert(itr->first, val);
114 }
115
116 return QJsonValue(obj);
117 }
118};
119
120template <typename Value>
121struct QxConvert_FromJson< std::map<QString, Value> >
122{
123 static inline qx_bool fromJson(const QJsonValue & j, std::map<QString, Value> & t, const QString & format)
124 {
125 t.clear();
126 if (! j.isObject()) { return qx_bool(true); }
127 QJsonObject obj = j.toObject(); QJsonValue val;
128
129 for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
130 {
131 QString key = itr.key(); Value value;
132 qx::cvt::from_json(itr.value(), value, format);
133 t.insert(std::make_pair(key, value));
134 }
135
136 return qx_bool(true);
137 }
138};
139
140template <typename Value>
141struct QxConvert_ToJson< std::map<std::string, Value> >
142{
143 static inline QJsonValue toJson(const std::map<std::string, Value> & t, const QString & format)
144 {
145 typedef typename std::map<std::string, Value>::const_iterator type_itr;
146 QJsonObject obj; QJsonValue val;
147
148 for (type_itr itr = t.begin(); itr != t.end(); ++itr)
149 {
150#ifndef QT_NO_STL
151 QString key = QString::fromStdString(itr->first);
152#else // QT_NO_STL
153 std::string s = itr->first;
154 QString key = QString::fromLatin1(s.data(), int(s.size()));
155#endif // QT_NO_STL
156
157 val = qx::cvt::to_json(itr->second, format);
158 obj.insert(key, val);
159 }
160
161 return QJsonValue(obj);
162 }
163};
164
165template <typename Value>
166struct QxConvert_FromJson< std::map<std::string, Value> >
167{
168 static inline qx_bool fromJson(const QJsonValue & j, std::map<std::string, Value> & t, const QString & format)
169 {
170 t.clear();
171 if (! j.isObject()) { return qx_bool(true); }
172 QJsonObject obj = j.toObject(); QJsonValue val;
173
174 for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
175 {
176 QString key = itr.key(); Value value;
177 qx::cvt::from_json(itr.value(), value, format);
178
179#ifndef QT_NO_STL
180 std::string s = key.toStdString();
181#else // QT_NO_STL
182 std::string s = key.toLatin1().constData();
183#endif // QT_NO_STL
184
185 t.insert(std::make_pair(s, value));
186 }
187
188 return qx_bool(true);
189 }
190};
191
192#if ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))
193
194template <typename Value>
195struct QxConvert_ToJson< std::map<std::wstring, Value> >
196{
197 static inline QJsonValue toJson(const std::map<std::wstring, Value> & t, const QString & format)
198 {
199 typedef typename std::map<std::wstring, Value>::const_iterator type_itr;
200 QJsonObject obj; QJsonValue val;
201
202 for (type_itr itr = t.begin(); itr != t.end(); ++itr)
203 {
204 val = qx::cvt::to_json(itr->second, format);
205 obj.insert(QString::fromStdWString(itr->first), val);
206 }
207
208 return QJsonValue(obj);
209 }
210};
211
212template <typename Value>
213struct QxConvert_FromJson< std::map<std::wstring, Value> >
214{
215 static inline qx_bool fromJson(const QJsonValue & j, std::map<std::wstring, Value> & t, const QString & format)
216 {
217 t.clear();
218 if (! j.isObject()) { return qx_bool(true); }
219 QJsonObject obj = j.toObject(); QJsonValue val;
220
221 for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
222 {
223 QString key = itr.key(); Value value;
224 qx::cvt::from_json(itr.value(), value, format);
225 t.insert(std::make_pair(key.toStdWString(), value));
226 }
227
228 return qx_bool(true);
229 }
230};
231
232#endif // ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))
233
234} // namespace detail
235} // namespace cvt
236} // namespace qx
237
238#endif // _QX_SERIALIZE_QJSON_STD_MAP_H_
239#endif // _QX_NO_JSON
qx::QxBool qx_bool
Definition QxBool.h:150
qx::cvt : namespace to provide global functions to convert any kind of objects to/from QString and QV...
qx_bool : boolean type with code and description message when an error occured
Definition QxBool.h:71
qx_bool from_json(const QJsonValue &j, T &t, const QString &format=QString())
Definition QxConvert.h:84
QJsonValue to_json(const T &t, const QString &format=QString())
Definition QxConvert.h:83
Root namespace for all QxOrm library features.
static qx_bool fromJson(const QJsonValue &j, std::map< Key, Value > &t, const QString &format)
static qx_bool fromJson(const QJsonValue &j, std::map< QString, Value > &t, const QString &format)
static qx_bool fromJson(const QJsonValue &j, std::map< std::string, Value > &t, const QString &format)
static qx_bool fromJson(const QJsonValue &j, std::map< std::wstring, Value > &t, const QString &format)
static QJsonValue toJson(const std::map< Key, Value > &t, const QString &format)
static QJsonValue toJson(const std::map< QString, Value > &t, const QString &format)
static QJsonValue toJson(const std::map< std::string, Value > &t, const QString &format)
static QJsonValue toJson(const std::map< std::wstring, Value > &t, const QString &format)