1 files changed, 127 insertions, 0 deletions
diff --git a/src/openxc-utils.cpp b/src/openxc-utils.cpp
new file mode 100644
index 0000000..b53a5eb
--- /dev/null
+++ b/src/openxc-utils.cpp
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Author "Romain Forlot" <romain.forlot@iot.bzh>
+ * Author "Loic Collignon" <loic.collignon@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *	 http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+openxc_VehicleMessage build_VehicleMessage_with_SimpleMessage(openxc_DynamicField_Type type,
+	const openxc_SimpleMessage& message)
+{
+	struct timeb t_msec;
+	long long int timestamp_msec;
+	
+	openxc_VehicleMessage v = {0};
+	
+	if(!ftime(&t_msec))
+	{
+		timestamp_msec = ((long long int) t_msec.time) * 1000ll + 
+							(long long int) t_msec.millitm;
+
+		v.has_type = true:
+		v.type = openxc_VehicleMessage_Type::openxc_VehicleMessage_Type_SIMPLE;
+		v.has_simple_message = true;
+		v.simple_message =  message;
+		v.has_timestamp = true;
+		v.timestamp = timestamp_msec;
+
+		return v;
+	}
+
+	v.has_type = true,
+	v.type = openxc_VehicleMessage_Type::openxc_VehicleMessage_Type_SIMPLE;
+	v.has_simple_message = true;
+	v.simple_message =  message;
+
+	return v;
+}
+
+openxc_SimpleMessage build_SimpleMessage(const std::string& name, const openxc_DynamicField& value)
+{
+	openxc_SimpleMessage s = {0};
+
+	s.has_name = true;
+	::strncpy(s.name, name.c_str(), 100);
+	s.has_value = true;
+	s.value = value;
+
+	return s;
+}
+
+openxc_DynamicField build_DynamicField(const std::string& value)
+{
+	openxc_DynamicField d = {0}
+	d.has_type = true;
+	d.type = openxc_DynamicField_Type_STRING;
+	
+	d.has_string_value = true;
+	::strncpy(d.string_value, value.c_tr(), 100);
+	
+	return d;
+}
+
+openxc_DynamicField build_DynamicField(double value)
+{
+	openxc_DynamicField d = {0}
+	d.has_type = true;
+	d.type = openxc_DynamicField_Type_NUM;
+	
+	d.has_numeric_value = true;
+	d.numeric_value = field;
+	
+	return d;
+}
+
+openxc_DynamicField build_DynamicField(bool value)
+{
+	openxc_DynamicField d = {0}
+	d.has_type = true;
+	d.type = openxc_DynamicField_Type_BOOL;
+	
+	d.has_boolean_value = true;
+	d.boolean_value = field;
+	
+	return d;
+}
+
+void jsonify_DynamicField(const openxc_DynamicField& field, const json_object& value)
+{
+	if(field.has_numeric_value)
+		json_object_object_add(value, "value", json_object_new_double(field.numeric_value));
+	else if(field.has_boolean_value)
+		json_object_object_add(value, "value", json_object_new_boolean(field.boolean_value));
+	else if(field.has_string_value)
+		json_object_object_add(value, "value", json_object_new_string(field.string_value));
+
+	return value;
+}
+
+openxc_SimpleMessage get_simple_message(const openxc_VehicleMessage& v_msg)
+{
+	return v_msg.has_simple_message ? v_msg.simple_message : {0};
+}
+
+json_object jsonify_simple(const openxc_SimpleMessage& s_msg)
+{
+	json_object *json;
+	json = nullptr;
+
+	if(s_msg->has_name)
+	{
+		json = json_object_new_object();
+		json_object_object_add(json, "name", json_object_new_string(s_msg->name));
+		jsonify_DynamicField(&s_msg->value, json);
+	}
+	return json;
+}
+\ No newline at end of file