public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
object result;
if (value is string)
{
string serialization = value as string;
Configuration configuration = new Configuration();
if (!string.IsNullOrEmpty(serialization))
{
using (StringReader stringReader = new StringReader((string)value))
{
using (XmlTextReader reader = new XmlTextReader(stringReader))
{
reader.Read();
SerializationServices.Deserialize(configuration.GetType(), reader, false);
}
}
}
result = configuration;
}
else
{
result = base.ConvertFrom(context, culture, value);
}
return result;
}
public static IExpression Expression(this IExpressionsManager manager, XElement element)
{
Configuration config = new Configuration();
IConfigurationElement configElement = config.AddSection("expression extensions").AddElement("expression");
configElement.ReadXml(element.CreateReader());
IExpression expression = manager.Token(configElement.GetAttributeReference("type").Value.ToString()) as IExpression;
if (null != expression)
expression.Make(configElement, manager);
return expression;
}
public static void FromXml(this IExpression expression, XElement element, IExpressionsManager expressionsManager)
{
if (null == expression) throw new ArgumentNullException("expression");
if (null == element) throw new ArgumentNullException("element");
if (null == expressionsManager) throw new ArgumentNullException("expressionsManager");
Configuration config = new Configuration();
IConfigurationElement configElement = config.AddSection("expression extensions").AddElement("expression");
configElement.ReadXml(element.CreateReader());
expression.Make(configElement, expressionsManager);
}
public IConfiguration Clone()
{
Configuration clone = new Configuration(this.ConfigKey);
clone.Sections = this.Sections.Clone(clone);
return clone;
}
public static void ToXml(this IExpression expression, XmlTextWriter writer)
{
if (null == expression) throw new ArgumentNullException("expression");
if (null == writer) throw new ArgumentNullException("writer");
Configuration config = new Configuration();
IConfigurationElement configElement = config.AddSection("expression extensions").AddElement("expression");
expression.ToConfiguration(configElement);
configElement.WriteXml(writer);
}