public static Statement CloneStatement(Statement st)
{
return(st.Clone());
}
private static Statement LoadStatement(XmlNode root)
{
if (root.Name != "Statement")
{
throw new FormatException("Wrong data format");
}
if (root.Attributes["type"] == null)
{
throw new FormatException("Wrong data format");
}
string type = root.Attributes["type"].Value;
Type t = Type.GetType(type);
PropertyInfo[] inf = t.GetProperties();
Dictionary <string, PropertyInfo> pMap = new Dictionary <string, PropertyInfo>();
foreach (PropertyInfo p in inf)
{
pMap.Add(p.Name, p);
}
Statement st = Activator.CreateInstance(t) as Statement;
foreach (XmlNode node in root.ChildNodes)
{
string pname = node.Name;
PropertyInfo property = pMap[pname];
Type pType = property.PropertyType;
if (pType.IsAssignableFrom(typeof(BlockStatement)))
{
property.SetValue(st, LoadBlockStatement(node.ChildNodes[0]));
}
else if (pType.IsAssignableFrom(typeof(Expression)))
{
property.SetValue(st, LoadExpression(node.ChildNodes[0]));
}
else if (pType.IsAssignableFrom(typeof(Statement)))
{
property.SetValue(st, LoadStatement(node.ChildNodes[0]));
}
else if (pType.IsAssignableFrom(typeof(List <Expression>)))
{
List <Expression> expressions = new List <Expression>();
foreach (XmlNode enode in node.ChildNodes)
{
expressions.Add(LoadExpression(enode));
}
property.SetValue(st, expressions);
}
else if (pType.IsAssignableFrom(typeof(List <string>)))
{
List <String> str = new List <string>();
foreach (XmlNode snode in node.ChildNodes)
{
if (snode.Name == "String")
{
str.Add(snode.Attributes["value"].Value);
}
}
property.SetValue(st, str);
}
else
{
string value = node.Attributes["value"].Value;
object obj = ConvertTo(value, pType);
if (obj != null)
{
property.SetValue(st, obj);
}
}
}
return(st);
}
