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refs #192, JSON operators except for CValueObject
This commit is contained in:
Klaus Basan
123
src/blackmisc/json.cpp
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123
src/blackmisc/json.cpp
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/* Copyright (C) 2013 VATSIM Community / authors
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*!
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\file
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*/
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#include "json.h"
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namespace BlackMisc
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{
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QJsonArray &operator<<(QJsonArray &json, const int value)
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{
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json.append(QJsonValue(value));
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return json;
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}
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QJsonArray &operator<<(QJsonArray &json, const qint16 value)
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{
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json.append(QJsonValue(value));
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return json;
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}
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QJsonArray &operator<<(QJsonArray &json, const qlonglong value)
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{
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json.append(QJsonValue(value));
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return json;
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}
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QJsonArray &operator<<(QJsonArray &json, const uint value)
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{
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json.append(QJsonValue(static_cast<int>(value)));
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return json;
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}
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QJsonArray &operator<<(QJsonArray &json, const qulonglong value)
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{
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json.append(QJsonValue(static_cast<int>(value)));
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return json;
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}
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QJsonArray &operator<<(QJsonArray &json, const QString &value)
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{
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json.append(QJsonValue(value));
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return json;
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}
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QJsonArray &operator<<(QJsonArray &json, const double value)
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{
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json.append(QJsonValue(value));
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return json;
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}
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QJsonArray &operator<<(QJsonArray &json, const bool value)
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{
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json.append(QJsonValue(value));
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return json;
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}
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QJsonArray &operator<<(QJsonArray &json, const QDateTime &value)
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{
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json.append(QJsonValue(value.toString()));
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return json;
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}
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, int> &value)
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{
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json.insert(value.first, QJsonValue(value.second));
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return json;
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}
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qint16> &value)
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{
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json.insert(value.first, QJsonValue(value.second));
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return json;
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}
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qulonglong> &value)
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{
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json.insert(value.first, QJsonValue(static_cast<int>(value.second)));
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return json;
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}
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qlonglong> &value)
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{
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json.insert(value.first, QJsonValue(value.second));
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return json;
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}
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, uint> &value)
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{
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json.insert(value.first, QJsonValue(static_cast<int>(value.second)));
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return json;
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}
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, QString> &value)
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{
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json.insert(value.first, QJsonValue(value.second));
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return json;
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}
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, double> &value)
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{
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json.insert(value.first, QJsonValue(value.second));
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return json;
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}
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, bool> &value)
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{
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json.insert(value.first, QJsonValue(value.second));
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return json;
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}
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, QDateTime> &value)
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{
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json.insert(value.first, QJsonValue(value.second.toString()));
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return json;
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}
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} // BlackMisc
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161
src/blackmisc/json.h
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161
src/blackmisc/json.h
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/* Copyright (C) 2014 VATSIM Community / authors
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*!
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\file
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*/
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#ifndef BLACKMISC_JSON_H
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#define BLACKMISC_JSON_H
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#include <QJsonObject>
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#include <QJsonValue>
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#include <QJsonValueRef>
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#include <QJsonArray>
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#include <QDateTime>
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#include <QStringList>
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#include <utility>
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namespace BlackMisc
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{
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/**
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* \defgroup JSON Streaming operators for JSON
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* @{
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*/
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// -> streaming for CValueObject in valueobject.h
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//! \name Streaming operators for QJsonValue (to value)
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//! \remarks JSONVALUE: QJsonValue / QJsonValueRef
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//@{
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template<class JSONVALUE> typename
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std::enable_if < std::is_same<JSONVALUE, QJsonValue>::value || std::is_same<JSONVALUE, QJsonValueRef>::value, JSONVALUE >::type
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const &operator>>(const JSONVALUE &json, int &value)
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{
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value = json.toInt();
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return json;
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}
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template<class JSONVALUE> typename
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std::enable_if < std::is_same<JSONVALUE, QJsonValue>::value || std::is_same<JSONVALUE, QJsonValueRef>::value, JSONVALUE >::type
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const &operator>>(const JSONVALUE &json, qlonglong &value)
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{
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value = static_cast<qlonglong>(json.toInt());
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return json;
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}
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template<class JSONVALUE> typename
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std::enable_if < std::is_same<JSONVALUE, QJsonValue>::value || std::is_same<JSONVALUE, QJsonValueRef>::value, JSONVALUE >::type
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const &operator>>(const JSONVALUE &json, qulonglong &value)
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{
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value = static_cast<qulonglong>(json.toInt());
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return json;
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}
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template<class JSONVALUE> typename
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std::enable_if < std::is_same<JSONVALUE, QJsonValue>::value || std::is_same<JSONVALUE, QJsonValueRef>::value, JSONVALUE >::type
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const &operator>>(const JSONVALUE &json, uint &value)
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{
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value = static_cast<uint>(json.toInt());
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return json;
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}
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template<class JSONVALUE> typename
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std::enable_if < std::is_same<JSONVALUE, QJsonValue>::value || std::is_same<JSONVALUE, QJsonValueRef>::value, JSONVALUE >::type
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const &operator>>(const JSONVALUE &json, qint16 &value)
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{
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value = static_cast<qint16>(json.toInt());
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return json;
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}
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template<class JSONVALUE> typename
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std::enable_if < std::is_same<JSONVALUE, QJsonValue>::value || std::is_same<JSONVALUE, QJsonValueRef>::value, JSONVALUE >::type
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const &operator>>(const JSONVALUE &json, QString &value)
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{
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value = json.toString();
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return json;
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}
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template<class JSONVALUE> typename
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std::enable_if < std::is_same<JSONVALUE, QJsonValue>::value || std::is_same<JSONVALUE, QJsonValueRef>::value, JSONVALUE >::type
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const &operator>>(const JSONVALUE &json, double &value)
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{
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value = json.toDouble();
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return json;
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}
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template<class JSONVALUE> typename
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std::enable_if < std::is_same<JSONVALUE, QJsonValue>::value || std::is_same<JSONVALUE, QJsonValueRef>::value, JSONVALUE >::type
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const &operator>>(const JSONVALUE &json, bool &value)
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{
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value = json.toBool();
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return json;
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}
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template<class JSONVALUE> typename
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std::enable_if < std::is_same<JSONVALUE, QJsonValue>::value || std::is_same<JSONVALUE, QJsonValueRef>::value, JSONVALUE >::type
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const &operator>>(const JSONVALUE &json, QDateTime &value)
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{
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value = QDateTime::fromString(json.toString());
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return json;
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}
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//@}
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//! \brief Specialized JSON serialization for enum
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//! \remarks needs to be in global namespace
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template<class ENUM> typename
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std::enable_if<std::is_enum<ENUM>::value, QJsonObject>::type
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&operator<<(QJsonObject &json, std::pair<QString, ENUM> value)
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{
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json.insert(value.first, QJsonValue(static_cast<int>(value.second)));
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return json;
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}
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//! \brief Specialized JSON deserialization for enum
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template<class JSONVALUE, class ENUM> typename
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std::enable_if < std::is_enum<ENUM>::value &&(std::is_same<JSONVALUE, QJsonValue>::value || std::is_same<JSONVALUE, QJsonValueRef>::value), JSONVALUE >::type
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const &operator>>(const JSONVALUE &json, ENUM &value)
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{
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value = static_cast<ENUM>(json.toInt());
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return json;
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}
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//! \name Streaming operators for QJsonArray (from value)
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//@{
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QJsonArray &operator<<(QJsonArray &json, const int value);
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QJsonArray &operator<<(QJsonArray &json, const std::pair<QString, qint16> &value);
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QJsonArray &operator<<(QJsonArray &json, const qlonglong value);
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QJsonArray &operator<<(QJsonArray &json, const uint value);
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QJsonArray &operator<<(QJsonArray &json, const qulonglong value);
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QJsonArray &operator<<(QJsonArray &json, const QString &value);
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QJsonArray &operator<<(QJsonArray &json, const double value);
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QJsonArray &operator<<(QJsonArray &json, const bool value);
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QJsonArray &operator<<(QJsonArray &json, const QDateTime &value);
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//@}
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//! \name Streaming operators for QJsonObject (from value)
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//@{
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, int> &value);
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qint16> &value);
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qlonglong> &value);
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, uint> &value);
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qulonglong> &value);
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, QString> &value);
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, double> &value);
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, bool> &value);
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QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, QDateTime> &value);
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//@}
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//! @}
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namespace Json
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{
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//! \brief Append to first JSON object (concatenate)
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inline QJsonObject &appendJsonObject(QJsonObject &target, const QJsonObject &toBeAppended)
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{
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if (toBeAppended.isEmpty()) return target;
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QStringList keys = toBeAppended.keys();
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foreach(const QString & key, keys)
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{
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target.insert(key, toBeAppended.value(key));
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}
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return target;
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}
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} // ns
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} // ns
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#endif // guard
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