Continues migration with DDS, Common

Lts/Common/CodeGen/svc_json.h.grantlee

@@ -0,0 +1,50 @@
+/**
+  * Json <-> DDS conversion routines
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Christian Ehrlicher, SLSE, 2017-11-30
+  */
+
+{% autoescape off %}
+// filename: {{ namespace_abbr }}_json.h
+#pragma once
+
+#include "{{ namespace_abbr }}.hpp"
+#include "{{ namespace_abbr }}_export.h"
+
+#include <QJsonObject>
+#include <QJsonValue>
+
+namespace {{ namespace }}
+{
+template<typename T>
+struct type{};
+
+template<typename T>
+T fromJson(const QJsonValue &val, type<T>);
+
+template<typename T>
+T fromJson(const QJsonValue &val)
+{
+  return fromJson(val, type<T>{});
+}
+
+{% for dt in jsonTopics %}
+// {{ dt.name }}
+{{ namespace_abbr_upper }}_COMMON_EXPORT QJsonObject toJson(const {{ dt.name }} &element);
+template<> {{ namespace_abbr_upper }}_COMMON_EXPORT {{ dt.name }} fromJson(const QJsonValue &val, type<{{ dt.name }}>);
+{{ namespace_abbr_upper }}_COMMON_EXPORT QJsonValue toJson(const std::vector< {{ dt.name }} > &element);
+template<> {{ namespace_abbr_upper }}_COMMON_EXPORT std::vector<{{ dt.name }}> fromJson(const QJsonValue &value, type< std::vector< {{ dt.name }} > >);
+
+{% endfor %}
+
+
+//
+// extensions to support sequence of seqence of Non-POD :
+//
+
+
+} // namespace {{ namespace }}
+
+{% endautoescape %}