Move converters.h out of jobs/

Because they are applicable beyond jobs.

1 files changed, 121 insertions, 0 deletions

diff --git a/converters.h b/converters.h
new file mode 100644
index 00000000..f6e850c6
--- /dev/null
+++ b/converters.h
@@ -0,0 +1,121 @@
+/******************************************************************************
+* Copyright (C) 2017 Kitsune Ral <kitsune-ral@users.sf.net>
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 2.1 of the License, or (at your option) any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#pragma once
+
+#include <QtCore/QJsonObject>
+#include <QtCore/QJsonArray> // Includes <QtCore/QJsonValue>
+#include <QtCore/QDate>
+
+namespace QMatrixClient
+{
+    template <typename T>
+    inline QJsonValue toJson(T val)
+    {
+        return QJsonValue(val);
+    }
+
+    template <typename T>
+    inline QJsonValue toJson(const QVector<T>& vals)
+    {
+        QJsonArray ar;
+        for (const auto& v: vals)
+            ar.push_back(toJson(v));
+        return ar;
+    }
+
+    inline QJsonValue toJson(const QStringList& strings)
+    {
+        return QJsonArray::fromStringList(strings);
+    }
+
+    template <typename T>
+    struct FromJson
+    {
+        T operator()(QJsonValue jv) const { return static_cast<T>(jv); }
+    };
+
+    template <typename T>
+    inline T fromJson(const QJsonValue& jv)
+    {
+        return FromJson<T>()(jv);
+    }
+
+    template <> struct FromJson<bool>
+    {
+        bool operator()(QJsonValue jv) const { return jv.toBool(); }
+    };
+
+    template <> struct FromJson<int>
+    {
+        int operator()(QJsonValue jv) const { return jv.toInt(); }
+    };
+
+    template <> struct FromJson<double>
+    {
+        double operator()(QJsonValue jv) const { return jv.toDouble(); }
+    };
+
+    template <> struct FromJson<qint64>
+    {
+        qint64 operator()(QJsonValue jv) const { return qint64(jv.toDouble()); }
+    };
+
+    template <> struct FromJson<QString>
+    {
+        QString operator()(QJsonValue jv) const { return jv.toString(); }
+    };
+
+    template <> struct FromJson<QDateTime>
+    {
+        QDateTime operator()(QJsonValue jv) const
+        {
+            return QDateTime::fromMSecsSinceEpoch(fromJson<qint64>(jv), Qt::UTC);
+        }
+    };
+
+    template <> struct FromJson<QDate>
+    {
+        QDate operator()(QJsonValue jv) const
+        {
+            return fromJson<QDateTime>(jv).date();
+        }
+    };
+
+    template <> struct FromJson<QJsonObject>
+    {
+        QJsonObject operator()(QJsonValue jv) const { return jv.toObject(); }
+    };
+
+    template <> struct FromJson<QJsonArray>
+    {
+        QJsonArray operator()(QJsonValue jv) const { return jv.toArray(); }
+    };
+
+    template <typename T> struct FromJson<QVector<T>>
+    {
+        QVector<T> operator()(QJsonValue jv) const
+        {
+            const auto jsonArray = jv.toArray();
+            QVector<T> vect; vect.resize(jsonArray.size());
+            std::transform(jsonArray.begin(), jsonArray.end(),
+                           vect.begin(), FromJson<T>());
+            return vect;
+        }
+    };
+}  // namespace QMatrixClient