/// <summary>Write an element with no inner nodes.
/// Element type is inferred by calling obj.GetType().</summary>
public static void WriteValueElement(this ITreeWriter obj, string elementName, object value)
{
// Do not serialize null or empty value
if (!value.IsEmpty())
{
obj.WriteStartElement(elementName);
obj.WriteStartValue();
obj.WriteValue(value);
obj.WriteEndValue();
obj.WriteEndElement(elementName);
}
}
/// <summary>Serialize by writing into ITreeWriter.</summary>
public void SerializeTo(ITreeWriter writer)
{
// Write start tag
writer.WriteStartDict();
// Iterate over the list of elements
var innerElementInfoList = DataTypeInfo.GetOrCreate(this).DataElements;
foreach (var innerElementInfo in innerElementInfoList)
{
// Get element name and value
string innerElementName = innerElementInfo.Name;
object innterElementValue = innerElementInfo.GetValue(this);
// Serialize based on type of element value
switch (innterElementValue)
{
case null:
// Do not serialize null value
break;
case string stringValue:
case double doubleValue:
case bool boolValue:
case int intValue:
case long longValue:
case LocalDate dateValue:
case LocalTime timeValue:
case LocalMinute minuteValue:
case LocalDateTime dateTimeValue:
case Instant instantValue:
case Enum enumValue:
// Embedded as string value
writer.WriteValueElement(innerElementName, innterElementValue);
break;
case IEnumerable enumerableElement:
// Embedded enumerable such as array or list
enumerableElement.SerializeTo(innerElementName, writer);
break;
case Data dataElement:
if (dataElement is Key)
{
// Embedded as string key
writer.WriteValueElement(innerElementName, innterElementValue);
break;
}
else
{
// Embedded as data
writer.WriteStartElement(innerElementName);
dataElement.SerializeTo(writer);
writer.WriteEndElement(innerElementName);
}
break;
case TemporalId idElement:
// Do not serialize
break;
default:
// Argument type is unsupported, error message
throw new Exception($"Element type {innerElementInfo.PropertyType} is not supported for tree serialization.");
}
}
// Write end tag
writer.WriteEndDict();
}
/// <summary>WriteEndArray(...) followed by WriteEndElement(...).</summary>
public static void WriteEndArrayElement(this ITreeWriter obj, string elementName)
{
obj.WriteEndArray();
obj.WriteEndElement(elementName);
}