From 73ef798bf849a01418895c2e88300e1c6730b665 Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Wed, 15 Feb 2017 16:17:26 +0100
Subject: PropertyRegistry for runtime information about properties.

A first usecase is parsing different property types.
---
 common/domain/propertyregistry.cpp | 112 +++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 common/domain/propertyregistry.cpp

(limited to 'common/domain/propertyregistry.cpp')

diff --git a/common/domain/propertyregistry.cpp b/common/domain/propertyregistry.cpp
new file mode 100644
index 0000000..2208193
--- /dev/null
+++ b/common/domain/propertyregistry.cpp
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2017 Christian Mollekopf <chrigi_1@fastmail.fm>
+ *
+ * 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) version 3, or any
+ * later version accepted by the membership of KDE e.V. (or its
+ * successor approved by the membership of KDE e.V.), which shall
+ * act as a proxy defined in Section 6 of version 3 of the license.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+#include "propertyregistry.h"
+
+#include <log.h>
+
+namespace Sink {
+namespace Private {
+
+template <typename T>
+QVariant parseString(const QString &);
+
+template <>
+QVariant parseString<QString>(const QString &s)
+{
+    return QVariant::fromValue(s);
+}
+
+template <>
+QVariant parseString<QByteArray>(const QString &s)
+{
+    return QVariant::fromValue(s.toUtf8());
+}
+
+template <>
+QVariant parseString<Sink::ApplicationDomain::Reference>(const QString &s)
+{
+    return QVariant::fromValue(Sink::ApplicationDomain::Reference{s.toLatin1()});
+}
+
+template <>
+QVariant parseString<Sink::ApplicationDomain::BLOB>(const QString &s)
+{
+    //TODO copy path
+    // return QVariant::fromValue(Sink::ApplicationDomain::BLOB{s.toLatin1()});
+    Q_ASSERT(false);
+    return QVariant{};
+}
+
+template <>
+QVariant parseString<bool>(const QString &s)
+{
+    if (s == "true") {
+        return QVariant::fromValue(true);
+    }
+    return QVariant::fromValue(false);
+}
+
+template <>
+QVariant parseString<QList<QByteArray>>(const QString &s)
+{
+    auto list = s.split(',');
+    QList<QByteArray> result;
+    std::transform(list.constBegin(), list.constEnd(), std::back_inserter(result), [] (const QString &s) { return s.toUtf8(); });
+    return QVariant::fromValue(result);
+}
+
+template <>
+QVariant parseString<QDateTime>(const QString &s)
+{
+    return QVariant::fromValue(QDateTime::fromString(s));
+}
+
+template <>
+QVariant parseString<Sink::ApplicationDomain::Mail::Contact>(const QString &s)
+{
+    Q_ASSERT(false);
+    return QVariant{};
+}
+
+template <>
+QVariant parseString<QList<Sink::ApplicationDomain::Mail::Contact>>(const QString &s)
+{
+    Q_ASSERT(false);
+    return QVariant{};
+}
+
+PropertyRegistry &PropertyRegistry::instance()
+{
+    static PropertyRegistry instance;
+    return instance;
+}
+
+QVariant PropertyRegistry::parse(const QByteArray &type, const QByteArray &property, const QString &value)
+{
+    auto parser = registry[type].properties[property].parser;
+    if (parser) {
+        return parser(value);
+    }
+    SinkWarningCtx(Sink::Log::Context{"PropertyRegistry"}) << "Couldn't find a parser for " << type << property;
+    return QVariant{};
+}
+
+    }
+}
-- 
cgit v1.2.3