335 lines
12 KiB
C++
335 lines
12 KiB
C++
/****************************************************************************
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**
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** https://www.qxorm.com/
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** Copyright (C) 2013 XDL Team (ic-east.com)
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**
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** This file is part of the QxOrm library
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any
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** damages arising from the use of this software
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**
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** Commercial Usage
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** Licensees holding valid commercial QxOrm licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and XDL Team
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file 'license.gpl3.txt' included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met : http://www.gnu.org/copyleft/gpl.html
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**
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** If you are unsure which license is appropriate for your use, or
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** if you have questions regarding the use of this file, please contact :
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** ic-east.com
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**
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****************************************************************************/
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#ifndef _QX_NO_JSON
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#ifndef _QX_SERIALIZE_QJSON_STD_UNORDERED_MAP_H_
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#define _QX_SERIALIZE_QJSON_STD_UNORDERED_MAP_H_
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#ifdef _MSC_VER
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#pragma once
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#endif
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/*!
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* \file QxSerializeQJson_std_unordered_map.h
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* \author XDL Team
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* \ingroup QxSerialize
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* \brief Provide a Qt QJson serialization method (save/load) for type std::unordered_map<Key, Value> and std::unordered_multimap<Key, Value> (C++11 compilation option _QX_CPP_11_CONTAINER must be defined)
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*/
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#include <QtCore/qjsonvalue.h>
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#include <QtCore/qjsonobject.h>
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#include <QtCore/qjsonarray.h>
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#include <unordered_map>
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#include <QxConvert/QxConvert.h>
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#include <QxConvert/QxConvert_Impl.h>
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namespace qx
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{
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namespace cvt
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{
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namespace detail
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{
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template <typename Key, typename Value>
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struct QxConvert_ToJson<std::unordered_map<Key, Value>>
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{
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static inline QJsonValue toJson(const std::unordered_map<Key, Value> &t, const QString &format)
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{
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typedef typename std::unordered_map<Key, Value>::const_iterator type_itr;
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QJsonArray arr;
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QJsonValue val;
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for (type_itr itr = t.begin(); itr != t.end(); ++itr)
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{
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QJsonObject obj;
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val = qx::cvt::to_json(itr->first, format);
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obj.insert("key", val);
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val = qx::cvt::to_json(itr->second, format);
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obj.insert("value", val);
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arr.append(obj);
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}
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return QJsonValue(arr);
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}
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};
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template <typename Key, typename Value>
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struct QxConvert_FromJson<std::unordered_map<Key, Value>>
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{
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static inline qx_bool fromJson(const QJsonValue &j, std::unordered_map<Key, Value> &t, const QString &format)
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{
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t.clear();
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if (!j.isArray())
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{
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return qx_bool(true);
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}
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QJsonArray arr = j.toArray();
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QJsonValue val;
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QJsonObject obj;
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t.reserve(static_cast<typename std::unordered_map<Key, Value>::size_type>(arr.count()));
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for (int i = 0; i < arr.count(); i++)
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{
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val = arr.at(i);
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if (!val.isObject())
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{
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continue;
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}
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obj = val.toObject();
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Key key;
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Value value;
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qx::cvt::from_json(obj.value("key"), key, format);
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qx::cvt::from_json(obj.value("value"), value, format);
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t.insert(std::make_pair(key, value));
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}
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return qx_bool(true);
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}
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};
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template <typename Key, typename Value>
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struct QxConvert_ToJson<std::unordered_multimap<Key, Value>>
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{
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static inline QJsonValue toJson(const std::unordered_multimap<Key, Value> &t, const QString &format)
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{
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typedef typename std::unordered_multimap<Key, Value>::const_iterator type_itr;
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QJsonArray arr;
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QJsonValue val;
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for (type_itr itr = t.begin(); itr != t.end(); ++itr)
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{
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QJsonObject obj;
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val = qx::cvt::to_json(itr->first, format);
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obj.insert("key", val);
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val = qx::cvt::to_json(itr->second, format);
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obj.insert("value", val);
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arr.append(obj);
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}
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return QJsonValue(arr);
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}
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};
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template <typename Key, typename Value>
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struct QxConvert_FromJson<std::unordered_multimap<Key, Value>>
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{
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static inline qx_bool fromJson(const QJsonValue &j, std::unordered_multimap<Key, Value> &t, const QString &format)
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{
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t.clear();
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if (!j.isArray())
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{
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return qx_bool(true);
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}
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QJsonArray arr = j.toArray();
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QJsonValue val;
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QJsonObject obj;
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t.reserve(static_cast<typename std::unordered_multimap<Key, Value>::size_type>(arr.count()));
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for (int i = 0; i < arr.count(); i++)
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{
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val = arr.at(i);
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if (!val.isObject())
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{
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continue;
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}
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obj = val.toObject();
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Key key;
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Value value;
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qx::cvt::from_json(obj.value("key"), key, format);
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qx::cvt::from_json(obj.value("value"), value, format);
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t.insert(std::make_pair(key, value));
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}
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return qx_bool(true);
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}
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};
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template <typename Value>
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struct QxConvert_ToJson<std::unordered_map<QString, Value>>
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{
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static inline QJsonValue toJson(const std::unordered_map<QString, Value> &t, const QString &format)
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{
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typedef typename std::unordered_map<QString, Value>::const_iterator type_itr;
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QJsonObject obj;
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QJsonValue val;
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for (type_itr itr = t.begin(); itr != t.end(); ++itr)
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{
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val = qx::cvt::to_json(itr->second, format);
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obj.insert(itr->first, val);
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}
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return QJsonValue(obj);
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}
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};
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template <typename Value>
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struct QxConvert_FromJson<std::unordered_map<QString, Value>>
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{
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static inline qx_bool fromJson(const QJsonValue &j, std::unordered_map<QString, Value> &t, const QString &format)
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{
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t.clear();
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if (!j.isObject())
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{
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return qx_bool(true);
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}
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QJsonObject obj = j.toObject();
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QJsonValue val;
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t.reserve(static_cast<typename std::unordered_map<QString, Value>::size_type>(obj.count()));
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for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
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{
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QString key = itr.key();
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Value value;
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qx::cvt::from_json(itr.value(), value, format);
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t.insert(std::make_pair(key, value));
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}
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return qx_bool(true);
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}
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};
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template <typename Value>
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struct QxConvert_ToJson<std::unordered_map<std::string, Value>>
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{
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static inline QJsonValue toJson(const std::unordered_map<std::string, Value> &t, const QString &format)
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{
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typedef typename std::unordered_map<std::string, Value>::const_iterator type_itr;
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QJsonObject obj;
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QJsonValue val;
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for (type_itr itr = t.begin(); itr != t.end(); ++itr)
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{
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#ifndef QT_NO_STL
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QString key = QString::fromStdString(itr->first);
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#else // QT_NO_STL
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QString key = QString::fromLatin1(itr->first.data(), int(itr->first.size()));
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#endif // QT_NO_STL
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val = qx::cvt::to_json(itr->second, format);
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obj.insert(key, val);
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}
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return QJsonValue(obj);
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}
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};
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template <typename Value>
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struct QxConvert_FromJson<std::unordered_map<std::string, Value>>
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{
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static inline qx_bool fromJson(const QJsonValue &j, std::unordered_map<std::string, Value> &t, const QString &format)
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{
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t.clear();
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if (!j.isObject())
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{
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return qx_bool(true);
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}
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QJsonObject obj = j.toObject();
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QJsonValue val;
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t.reserve(static_cast<typename std::unordered_map<std::string, Value>::size_type>(obj.count()));
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for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
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{
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QString key = itr.key();
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Value value;
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qx::cvt::from_json(itr.value(), value, format);
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#ifndef QT_NO_STL
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std::string s = key.toStdString();
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#else // QT_NO_STL
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std::string s = key.toLatin1().constData();
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#endif // QT_NO_STL
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t.insert(std::make_pair(s, value));
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}
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return qx_bool(true);
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}
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};
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#if ((!defined(QT_NO_STL)) && (!defined(QT_NO_STL_WCHAR)))
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template <typename Value>
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struct QxConvert_ToJson<std::unordered_map<std::wstring, Value>>
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{
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static inline QJsonValue toJson(const std::unordered_map<std::wstring, Value> &t, const QString &format)
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{
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typedef typename std::unordered_map<std::wstring, Value>::const_iterator type_itr;
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QJsonObject obj;
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QJsonValue val;
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for (type_itr itr = t.begin(); itr != t.end(); ++itr)
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{
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val = qx::cvt::to_json(itr->second, format);
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obj.insert(QString::fromStdWString(itr->first), val);
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}
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return QJsonValue(obj);
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}
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};
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template <typename Value>
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struct QxConvert_FromJson<std::unordered_map<std::wstring, Value>>
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{
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static inline qx_bool fromJson(const QJsonValue &j, std::unordered_map<std::wstring, Value> &t, const QString &format)
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{
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t.clear();
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if (!j.isObject())
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{
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return qx_bool(true);
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}
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QJsonObject obj = j.toObject();
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QJsonValue val;
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t.reserve(static_cast<typename std::unordered_map<std::wstring, Value>::size_type>(obj.count()));
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for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
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{
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QString key = itr.key();
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Value value;
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qx::cvt::from_json(itr.value(), value, format);
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t.insert(std::make_pair(key.toStdWString(), value));
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}
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return qx_bool(true);
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}
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};
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#endif // ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))
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} // namespace detail
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} // namespace cvt
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} // namespace qx
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#endif // _QX_SERIALIZE_QJSON_STD_UNORDERED_MAP_H_
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#endif // _QX_NO_JSON
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