private Type TypeFromTag(string tag)
{
if (tag.StartsWith(YamlNode.DefaultTagPrefix))
{
switch (tag.Substring(YamlNode.DefaultTagPrefix.Length))
{
case "str":
return(typeof(string));
case "int":
return(typeof(Int32));
case "null":
return(typeof(object));
case "bool":
return(typeof(bool));
case "float":
return(typeof(double));
case "seq":
case "map":
return(null);
default:
throw new NotImplementedException("tag [{0}] is not supported".DoFormat(tag));
}
}
return(context.ResolveType(tag.Substring(1)));
}
public IYamlTypeConverter TryCreate(SerializerContext context, Type type)
{
var attrs = type.GetCustomAttributes(typeof (TypeConverterAttribute), true);
if (attrs.Length > 0)
{
var converterAttr = (TypeConverterAttribute)attrs[0];
// What is the difference between these two conditions?
var converterType = context.ResolveType(converterAttr.ConverterTypeName);
var typeCovnerter = Activator.CreateInstance(converterType) as TypeConverter;
if (typeCovnerter != null)
{
return new LegacyTypeConverter(typeCovnerter);
}
}
return null;
}
public IYamlSerializable TryCreate(SerializerContext context, Type type)
{
var attribute = type.GetAttribute<YamlSerializableAttribute>();
if (attribute == null)
{
return null;
}
var typeName = attribute.SerializableTypeName;
var serializableType = context.ResolveType(typeName);
if (serializableType == null)
{
throw new InvalidOperationException(string.Format("Unable to find serializable type [{0}] from current and registered assemblies", typeName));
}
if (!typeof(IYamlSerializable).IsAssignableFrom(serializableType))
{
throw new InvalidOperationException(string.Format("Serializable type [{0}] is not a IYamlSerializable", typeName));
}
return (IYamlSerializable)Activator.CreateInstance(serializableType);
}
public IYamlSerializable TryCreate(SerializerContext context, Type type)
{
var attribute = type.GetAttribute <YamlSerializableAttribute>();
if (attribute == null)
{
return(null);
}
var typeName = attribute.SerializableTypeName;
var serializableType = context.ResolveType(typeName);
if (serializableType == null)
{
throw new InvalidOperationException(string.Format("Unable to find serializable type [{0}] from current and registered assemblies", typeName));
}
if (!typeof(IYamlSerializable).IsAssignableFrom(serializableType))
{
throw new InvalidOperationException(string.Format("Serializable type [{0}] is not a IYamlSerializable", typeName));
}
return((IYamlSerializable)Activator.CreateInstance(serializableType));
}
