/// <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>
/// Creates and adds new member to the object
/// </summary>
/// <param name="in_name"></param>
/// <param name="in_member_type"></param>
/// <returns></returns>
public RealtimeObjectMember MemberCreate(string in_name, RealtimeObjectMember.MemberType in_member_type)
{
RealtimeObjectMember member = new RealtimeObjectMember(in_name, in_member_type);
MemberAdd(member);
return(member);
}
/// <summary>
/// Add all member from the parsed realtime object
/// </summary>
/// <param name="in_object"></param>
public void CopyParsedMember(ParserRealtimeObject in_object)
{
foreach (ParserRealtimeObjectMember parsed_member in in_object.Members)
{
RealtimeObjectMember member = new RealtimeObjectMember(parsed_member);
MemberAdd(member);
}
}
/// <summary>
/// Sets multiplier for fixed integer types
/// </summary>
/// <param name="in_multiplier"></param>
public void SetFixedMultiplier(int in_multiplier)
{
if (!RealtimeObjectMember.IsFixedMember(m_member_type))
{
throw new ArgumentException("Fixed member type expected");
}
m_multiplier = in_multiplier;
}
/// <summary>
/// Gets member binary size based on the type of the member
/// </summary>
/// <param name="in_member"></param>
/// <returns></returns>
static public int GetMemberSize(RealtimeObjectMember in_member)
{
switch (in_member.Type)
{
case MemberType.Unknown:
throw new ArgumentException("Invalid member type");
case MemberType.Int:
return(4);
case MemberType.Float:
return(4);
case MemberType.Int8:
return(1);
case MemberType.Int16:
return(2);
case MemberType.Int32:
return(4);
case MemberType.UInt8:
return(1);
case MemberType.UInt16:
return(2);
case MemberType.UInt32:
return(4);
case MemberType.Int8Fixed:
return(1);
case MemberType.UInt8Fixed:
return(1);
case MemberType.Int16Fixed:
return(2);
case MemberType.UInt16Fixed:
return(2);
case MemberType.Int32Fixed:
return(4);
case MemberType.UInt32Fixed:
return(4);
case MemberType.String:
return(in_member.MaxStringLength);
default:
throw new ArgumentException("Invalid member type");
}
}
private int m_max_string_length; // length for fixed length strings
#endregion
#region · Constructor ·
/// <summary>
/// Default constructor
/// </summary>
/// <param name="in_name"></param>
/// <param name="in_parent"></param>
public RealtimeObjectMember(string in_name, MemberType in_type)
{
m_member_name = in_name;
m_member_type = in_type;
m_parent_object = null;
m_member_index = -1;
m_max_string_length = 0;
m_binary_length = RealtimeObjectMember.GetMemberSize(this);
}
/// <summary>
/// Adds a new member to the object
/// </summary>
/// <param name="in_member"></param>
public void MemberAdd(RealtimeObjectMember in_member)
{
int index;
in_member.SetParentObject(this);
m_members.Add(in_member);
index = m_members.Count - 1;
m_member_lookup.Add(in_member.Name, index);
in_member.SetMemberIndex(index);
}
/// <summary>
/// Initializes member values to their default value
/// </summary>
internal void ObjectCreateEnd()
{
// convert object structure to the
m_member_values = new object[2, m_members.Count];
// create default values
for (int i = 0; i < m_members.Count; i++)
{
m_member_values[0, i] = RealtimeObjectMember.CreateDefaultMemberObject(m_members[i].Type);
m_member_values[1, i] = RealtimeObjectMember.CreateDefaultMemberObject(m_members[i].Type);
}
}
/// <summary>
/// Sets length of the fixed length string
/// </summary>
/// <param name="in_max_length"></param>
public void SetMaxStringLength(int in_max_length)
{
m_max_string_length = in_max_length;
m_binary_length = RealtimeObjectMember.GetMemberSize(this);
}
