private void Schematize(LogItemSchema schema, IEnumerable <LogField> items)
{
foreach (var item in items)
{
// is this a new item we haven't seen before?
if (!schema.HasChild(item.Name))
{
var typeName = item.Name;
if (item is LogEntry)
{
// recurrse down the structure
var s = new LogItemSchema()
{
Name = item.Name, Type = typeName
};
schema.AddChild(s);
Schematize(s, ((LogEntry)item).GetFields());
}
else
{
// leaf node
typeName = item.Value.GetType().Name;
var leaf = new LogItemSchema()
{
Name = item.Name, Type = typeName
};
schema.AddChild(leaf);
}
}
}
}
private void CreateSchema(PX4BinaryLog log)
{
LogItemSchema schema = new LogItemSchema()
{
Name = "Px4DataLog", Type = "Root"
};
foreach (var fmt in log.GetFormats())
{
LogItemSchema element = new LogItemSchema()
{
Name = fmt.Name
};
int i = 0;
foreach (var c in fmt.Columns)
{
LogItemSchema column = new LogItemSchema()
{
Name = c
};
if (i < fmt.FormatString.Length)
{
column.Type = GetTypeName(fmt.FormatString[i]);
}
i++;
element.AddChild(column);
}
schema.AddChild(element);
}
this.schema = schema;
}
private void CreateSchema(object message)
{
Type t = message.GetType();
if (schemaCache.ContainsKey(t))
{
return;
}
string name = t.Name;
if (name.StartsWith("mavlink_"))
{
name = name.Substring(8);
}
else if (name.StartsWith("mavlink"))
{
name = name.Substring(7);
}
LogItemSchema item = new LogItemSchema()
{
Name = name, Type = t.Name
};
foreach (FieldInfo fi in t.GetFields(BindingFlags.Public | BindingFlags.Instance))
{
var field = new LogItemSchema()
{
Name = fi.Name, Type = fi.FieldType.Name
};
item.AddChild(field);
object value = fi.GetValue(message);
// byte[] array is special, we return that as binhex encoded binary data.
if (fi.FieldType.IsArray && fi.FieldType != typeof(byte[]))
{
field.IsArray = true;
Type itemType = fi.FieldType.GetElementType();
Array a = (Array)value;
for (int i = 0, n = a.Length; i < n; i++)
{
field.AddChild(new LogItemSchema()
{
Name = i.ToString(), Type = itemType.Name
});
}
}
}
schemaCache[t] = item;
schema.AddChild(item);
if (SchemaChanged != null)
{
SchemaChanged(this, EventArgs.Empty);
}
}
private LogItemSchema Clone()
{
LogItemSchema copy = new LogItemSchema()
{
Id = this.Id, Name = this.Name, Type = this.Type
};
if (this.HasChildren)
{
lock (this.childItems)
{
foreach (var child in this.childItems)
{
var childClone = child.Clone();
copy.AddChild(childClone);
}
}
}
return(copy);
}