/// <summary>
/// Parses value member of the realtimeobject
/// </summary>
/// <param name="in_element"></param>
/// <param name="in_xml_stream"></param>
/// <param name="in_parent"></param>
internal void ParseValueMember(XPathNavigator in_element, TextReader in_xml_stream, object in_parent)
{
// get name
m_name = XMLAttributeParser.ConvertAttributeToString(in_element, "Name", XMLAttributeParser.atObligatory);
// get type
m_member_type = TypeStringToMemberType(in_element.Name);
// check type
if (m_member_type == RealtimeObjectMember.MemberType.Unknown)
{
throw XMLParserBase.CreateXMLParseException(string.Format(ParserRealtimeObjectStringConstants.ErrorInvalidElementType, in_element.Name), in_element);
}
// get multiplier for fixed types
if (RealtimeObjectMember.IsFixedMember(m_member_type))
{
m_fixed_multiplier = XMLAttributeParser.ConvertAttributeToInt(in_element, "Multiplier", XMLAttributeParser.atObligatory);
}
// store attributes for further processing
XPathNavigator element = in_element.Clone();
if (element.MoveToFirstAttribute())
{
m_attributes.Add(element.Name, element.Value);
}
while (element.MoveToNextAttribute())
{
m_attributes.Add(element.Name, element.Value);
}
}
/// <summary>
/// Parses real time object description file elements
/// </summary>
/// <param name="in_element"></param>
protected override void ParseElement(XPathNavigator in_element, TextReader in_xml_stream, object in_parent)
{
string name;
string cdecl;
RealtimeObjectMember.MemberType type;
switch (in_element.Name)
{
case "Type":
{
name = XMLAttributeParser.ConvertAttributeToString(in_element, "Name", XMLAttributeParser.atObligatory);
cdecl = XMLAttributeParser.ConvertAttributeToString(in_element, "CDecl", XMLAttributeParser.atObligatory);
if (name == "PacketHeader")
{
m_packet_header_declaration = cdecl;
}
else
{
type = ParserRealtimeObjectMember.TypeStringToMemberType(name);
if (type == RealtimeObjectMember.MemberType.Unknown)
{
throw XMLParserBase.CreateXMLParseException(string.Format(ParserRealtimeObjectStringConstants.ErrorInvalidElementType, in_element.Name), in_element);
}
m_type_lookup.Add(type, cdecl);
}
}
break;
default:
throw XMLParserBase.CreateXMLParseException(string.Format(ParserRealtimeObjectStringConstants.ErrorInvalidElementType, in_element.Name), in_element);
}
}
/// <summary>
/// Creates value class based on the XML content
/// </summary>
/// <param name="in_element"></param>
/// <param name="in_xml_stream"></param>
/// <param name="in_parent"></param>
/// <returns></returns>
public static ParserDeviceSettingValue ValueFactory(XPathNavigator in_element, TextReader in_xml_stream, ParserDeviceSettingsGroup in_parent)
{
ParserDeviceSettingValue value = null;
// create value class
switch (in_element.Name)
{
// UInt8 type
case "UInt8":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.UInt8Value);
break;
// Int8 type
case "Int8":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.Int8Value);
break;
// UInt16 type
case "UInt16":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.UInt16Value);
break;
// UInt16 type
case "Int16":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.Int16Value);
break;
case "Int32":
case "Int":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.Int32Value);
break;
// Fixed UInt8 type
case "FixedUInt8":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.UInt8FixedValue);
break;
// Fixed UInt8 type
case "Int8Fixed":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.Int8FixedValue);
break;
// Fixed UInt16 type
case "UInt16Fixed":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.UInt16FixedValue);
break;
// Fixed Int16 type
case "Int16Fixed":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.Int16FixedValue);
break;
// enum type
case "Enum":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.EnumValue);
break;
// float type
case "Float":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.FloatValue);
break;
// string type
case "String":
value = new ParserDeviceSettingValue(ParserDeviceSettingValue.ValueType.StringValue);
break;
default:
throw XMLParserBase.CreateXMLParseException(string.Format(ParserDeviceSettingsStringConstants.ErrorInvalidElementType, in_element.Name), in_element);
}
// parse and store value class
if (value != null)
{
value.ParseXML(in_element);
in_parent.AddValue(in_element, value);
}
return(value);
}
