QxOrm  1.4.5
C++ Object Relational Mapping library
QxSerializeQJson_std_pair.h
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00001 /****************************************************************************
00002 **
00003 ** https://www.qxorm.com/
00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
00005 **
00006 ** This file is part of the QxOrm library
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00012 ** Commercial Usage
00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
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00016 ** a written agreement between you and Lionel Marty
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00018 ** GNU General Public License Usage
00019 ** Alternatively, this file may be used under the terms of the GNU
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00031 
00032 #ifndef _QX_NO_JSON
00033 #ifndef _QX_SERIALIZE_QJSON_STD_PAIR_H_
00034 #define _QX_SERIALIZE_QJSON_STD_PAIR_H_
00035 
00036 #ifdef _MSC_VER
00037 #pragma once
00038 #endif
00039 
00047 #include <QtCore/qjsonvalue.h>
00048 #include <QtCore/qjsonobject.h>
00049 #include <QtCore/qjsonarray.h>
00050 
00051 #include <QxConvert/QxConvert.h>
00052 #include <QxConvert/QxConvert_Impl.h>
00053 
00054 namespace qx {
00055 namespace cvt {
00056 namespace detail {
00057 
00058 template <typename T1, typename T2>
00059 struct QxConvert_ToJson< std::pair<T1, T2> >
00060 {
00061    static inline QJsonValue toJson(const std::pair<T1, T2> & t, const QString & format)
00062    {
00063       QJsonArray arr;
00064       arr.append(qx::cvt::to_json(t.first, format));
00065       arr.append(qx::cvt::to_json(t.second, format));
00066       return QJsonValue(arr);
00067    }
00068 };
00069 
00070 template <typename T1, typename T2>
00071 struct QxConvert_FromJson< std::pair<T1, T2> >
00072 {
00073    static inline qx_bool fromJson(const QJsonValue & j, std::pair<T1, T2> & t, const QString & format)
00074    {
00075       t = std::pair<T1, T2>();
00076       if (! j.isArray()) { return qx_bool(true); }
00077       QJsonArray arr = j.toArray();
00078       if (arr.count() != 2) { return qx_bool(true); }
00079       T1 tmp1; qx::cvt::from_json(arr.at(0), tmp1, format);
00080       T2 tmp2; qx::cvt::from_json(arr.at(1), tmp2, format);
00081       t = std::make_pair(tmp1, tmp2);
00082       return qx_bool(true);
00083    }
00084 };
00085 
00086 } // namespace detail
00087 } // namespace cvt
00088 } // namespace qx
00089 
00090 #endif // _QX_SERIALIZE_QJSON_STD_PAIR_H_
00091 #endif // _QX_NO_JSON