private object DoPy(object target, object[] args)
{
if (args.Length > 0)
{
PySnippet snippet = new PySnippet(args[0].ToString());
object[] newargs = new object[args.Length - 1];
Array.Copy(args, 1, newargs, 0, args.Length - 1);
return(snippet.Invoke(target, null, newargs));
}
else
{
return(null);
}
}
void EvaluateFunction(object target, string name, FunctionArgs args, Dictionary <string, object> extras, bool caseSensitive)
{
if (!caseSensitive)
{
name = name.ToLowerInvariant();
}
// If a dotted name then do a slow evaluation, for functions we can only have a list of properties then a function call
if (!_funcs.ContainsKey(name) && name.Contains("."))
{
string[] parts = name.Split('.');
object ret = EvaluateParameter(target, parts[0], extras, caseSensitive);
for (int i = 1; i < parts.Length - 1; ++i)
{
ret = GetValue(ret, parts[i], caseSensitive);
}
object[] oa = args.EvaluateParameters();
Type type = ret as Type;
if ((type != null) && typeof(PySnippet).IsAssignableFrom(type))
{
PySnippet snippet = (PySnippet)Activator.CreateInstance(type);
_funcs.Add(name, (o, a) => snippet.Invoke(o, parts[parts.Length - 1], a));
args.Result = _funcs[name](target, oa);
}
else
{
ret = ret.GetType();
Type[] ta = new Type[oa.Length];
for (int i = 0; i < oa.Length; ++i)
{
ta[i] = oa[i].GetType();
}
MethodInfo method = null;
try
{
method = type.GetMethod(parts[parts.Length - 1], GetFlags(caseSensitive), null, ta, null);
}
catch (AmbiguousMatchException)
{
}
if (method == null)
{
throw new ArgumentException(String.Format(Properties.Resources.ExpressionResolver_CannotFuncFunction, name));
}
args.Result = method.Invoke(ret, oa);
}
}
else
{
if (!_funcs.ContainsKey(name))
{
if (_targetType == null)
{
throw new ArgumentException(String.Format(Properties.Resources.ExpressionResolver_CannotFuncFunction, name));
}
Type baseType = _targetType;
MethodInfo method = baseType.GetMethod(name, GetFlags(caseSensitive));
if (method == null)
{
// Not a method, try a type name which we expect to be a script
Type type = baseType.Assembly.GetType(name);
if ((type == null) || !typeof(PySnippet).IsAssignableFrom(type))
{
throw new ArgumentException(String.Format(Properties.Resources.ExpressionResolver_CannotFuncFunction, name));
}
PySnippet snippet = (PySnippet)Activator.CreateInstance(type);
_funcs.Add(name, (o, a) => snippet.Invoke(o, null, a));
}
else
{
_funcs.Add(name, (o, a) => method.Invoke(o, a));
}
}
args.Result = _funcs[name](target, args.EvaluateParameters());
}
}
private object DoPy(object target, object[] args)
{
if (args.Length > 0)
{
PySnippet snippet = new PySnippet(args[0].ToString());
object[] newargs = new object[args.Length - 1];
Array.Copy(args, 1, newargs, 0, args.Length - 1);
return snippet.Invoke(target, null, newargs);
}
else
{
return null;
}
}