QxOrm 1.4.9
C++ Object Relational Mapping library
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QxSerializeQJson_QHash.h
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1/****************************************************************************
2**
3** https://www.qxorm.com/
4** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
5**
6** This file is part of the QxOrm library
7**
8** This software is provided 'as-is', without any express or implied
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16** a written agreement between you and Lionel Marty
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18** GNU General Public License Usage
19** Alternatively, this file may be used under the terms of the GNU
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31
32#ifndef _QX_NO_JSON
33#ifndef _QX_SERIALIZE_QJSON_QHASH_H_
34#define _QX_SERIALIZE_QJSON_QHASH_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#include <QtCore/qhash.h>
51
52#include <QxConvert/QxConvert.h>
54
55namespace qx {
56namespace cvt {
57namespace detail {
58
59template <typename Key, typename Value>
60struct QxConvert_ToJson< QHash<Key, Value> >
61{
62 static inline QJsonValue toJson(const QHash<Key, Value> & t, const QString & format)
63 {
64 QJsonArray arr; QJsonValue val;
65 QHashIterator<Key, Value> itr(t);
66
67 while (itr.hasNext())
68 {
69 itr.next(); QJsonObject obj;
70 val = qx::cvt::to_json(itr.key(), format); obj.insert("key", val);
71 val = qx::cvt::to_json(itr.value(), format); obj.insert("value", val);
72 arr.append(obj);
73 }
74
75 return QJsonValue(arr);
76 }
77};
78
79template <typename Key, typename Value>
80struct QxConvert_FromJson< QHash<Key, Value> >
81{
82 static inline qx_bool fromJson(const QJsonValue & j, QHash<Key, Value> & t, const QString & format)
83 {
84 t.clear();
85 if (! j.isArray()) { return qx_bool(true); }
86 QJsonArray arr = j.toArray(); QJsonValue val; QJsonObject obj;
87 t.reserve(arr.count());
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(key, value);
96 }
97
98 return qx_bool(true);
99 }
100};
101
102template <typename Value>
103struct QxConvert_ToJson< QHash<QString, Value> >
104{
105 static inline QJsonValue toJson(const QHash<QString, Value> & t, const QString & format)
106 {
107 QJsonObject obj; QJsonValue val;
108 QHashIterator<QString, Value> itr(t);
109
110 while (itr.hasNext())
111 {
112 itr.next();
113 val = qx::cvt::to_json(itr.value(), format);
114 obj.insert(itr.key(), val);
115 }
116
117 return QJsonValue(obj);
118 }
119};
120
121template <typename Value>
122struct QxConvert_FromJson< QHash<QString, Value> >
123{
124 static inline qx_bool fromJson(const QJsonValue & j, QHash<QString, Value> & t, const QString & format)
125 {
126 t.clear();
127 if (! j.isObject()) { return qx_bool(true); }
128 QJsonObject obj = j.toObject(); QJsonValue val;
129 t.reserve(obj.count());
130
131 for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
132 {
133 QString key = itr.key(); Value value;
134 qx::cvt::from_json(itr.value(), value, format);
135 t.insert(key, value);
136 }
137
138 return qx_bool(true);
139 }
140};
141
142template <typename Value>
143struct QxConvert_ToJson< QHash<std::string, Value> >
144{
145 static inline QJsonValue toJson(const QHash<std::string, Value> & t, const QString & format)
146 {
147 QJsonObject obj; QJsonValue val;
148 QHashIterator<std::string, Value> itr(t);
149
150 while (itr.hasNext())
151 {
152 itr.next();
153
154#ifndef QT_NO_STL
155 QString key = QString::fromStdString(itr.key());
156#else // QT_NO_STL
157 std::string s = itr.key();
158 QString key = QString::fromLatin1(s.data(), int(s.size()));
159#endif // QT_NO_STL
160
161 val = qx::cvt::to_json(itr.value(), format);
162 obj.insert(key, val);
163 }
164
165 return QJsonValue(obj);
166 }
167};
168
169template <typename Value>
170struct QxConvert_FromJson< QHash<std::string, Value> >
171{
172 static inline qx_bool fromJson(const QJsonValue & j, QHash<std::string, Value> & t, const QString & format)
173 {
174 t.clear();
175 if (! j.isObject()) { return qx_bool(true); }
176 QJsonObject obj = j.toObject(); QJsonValue val;
177 t.reserve(obj.count());
178
179 for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
180 {
181 QString key = itr.key(); Value value;
182 qx::cvt::from_json(itr.value(), value, format);
183
184#ifndef QT_NO_STL
185 std::string s = key.toStdString();
186#else // QT_NO_STL
187 std::string s = key.toLatin1().constData();
188#endif // QT_NO_STL
189
190 t.insert(s, value);
191 }
192
193 return qx_bool(true);
194 }
195};
196
197#if ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))
198
199template <typename Value>
200struct QxConvert_ToJson< QHash<std::wstring, Value> >
201{
202 static inline QJsonValue toJson(const QHash<std::wstring, Value> & t, const QString & format)
203 {
204 QJsonObject obj; QJsonValue val;
205 QHashIterator<std::wstring, Value> itr(t);
206
207 while (itr.hasNext())
208 {
209 itr.next();
210 val = qx::cvt::to_json(itr.value(), format);
211 obj.insert(QString::fromStdWString(itr.key()), val);
212 }
213
214 return QJsonValue(obj);
215 }
216};
217
218template <typename Value>
219struct QxConvert_FromJson< QHash<std::wstring, Value> >
220{
221 static inline qx_bool fromJson(const QJsonValue & j, QHash<std::wstring, Value> & t, const QString & format)
222 {
223 t.clear();
224 if (! j.isObject()) { return qx_bool(true); }
225 QJsonObject obj = j.toObject(); QJsonValue val;
226 t.reserve(obj.count());
227
228 for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
229 {
230 QString key = itr.key(); Value value;
231 qx::cvt::from_json(itr.value(), value, format);
232 t.insert(key.toStdWString(), value);
233 }
234
235 return qx_bool(true);
236 }
237};
238
239#endif // ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))
240
241} // namespace detail
242} // namespace cvt
243} // namespace qx
244
245#endif // _QX_SERIALIZE_QJSON_QHASH_H_
246#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, QHash< Key, Value > &t, const QString &format)
static qx_bool fromJson(const QJsonValue &j, QHash< QString, Value > &t, const QString &format)
static qx_bool fromJson(const QJsonValue &j, QHash< std::string, Value > &t, const QString &format)
static qx_bool fromJson(const QJsonValue &j, QHash< std::wstring, Value > &t, const QString &format)
static QJsonValue toJson(const QHash< Key, Value > &t, const QString &format)
static QJsonValue toJson(const QHash< QString, Value > &t, const QString &format)
static QJsonValue toJson(const QHash< std::string, Value > &t, const QString &format)
static QJsonValue toJson(const QHash< std::wstring, Value > &t, const QString &format)