/// <summary>
/// Will parse s into T, provided T has a Parse(string) or TryParse(string s, out T t) method defined, or is one of the magical
/// special cases we've implemented (including ICollection (comma delimited), Nullable and Enums).
/// </summary>
/// <typeparam name="T">T</typeparam>
/// <param name="s">s</param>
/// <param name="t">t</param>
/// <returns>bool</returns>
public static bool TryParse <T>(string s, out T t)
{
Type type = typeof(T);
if ((String.IsNullOrEmpty(s)) || (s.Equals("null", StringComparison.CurrentCultureIgnoreCase) && type.IsClass))
{
t = default(T); // return null
return(true);
}
s = s.Trim();
if (s.Equals("help", StringComparison.CurrentCultureIgnoreCase))
{
throw ArgumentCollection.GetHelpOnKnownSubtypes(type);
}
if (s.Equals("help!", StringComparison.CurrentCultureIgnoreCase))
{
throw ArgumentCollection.CreateHelpMessage(type);
}
if (s is T)
{
return(StringTryParse(s, out t));
}
if (type.IsEnum)
{
return(EnumTryParse(s, out t));
}
if (type.IsGenericType)
{
if (type.ParseAsCollection())
{
return(CollectionsTryParse(s, out t));
}
else if (type.Name.StartsWith("Nullable"))
{
return(NullableTryParse(s, out t));
}
}
return(GenericTryParse(s, out t));
}
/// <summary>
/// Will parse s into T, provided T has a Parse(string) or TryParse(string s, out T t) method defined, or is one of the magical
/// special cases we've implemented (including ICollection (comma delimited), Nullable and Enums).
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="s"></param>
/// <returns></returns>
public static bool TryParse <T>(string s, out T t)
{
s = s.Trim();
Type type = typeof(T);
if (s.Equals("help", StringComparison.CurrentCultureIgnoreCase))
{
throw ArgumentCollection.GetHelpOnKnownSubtypes(type);
}
else if (s.Equals("help!", StringComparison.CurrentCultureIgnoreCase))
{
throw ArgumentCollection.CreateHelpMessage(type);
}
else if (s.Equals("null", StringComparison.CurrentCultureIgnoreCase) && type.IsClass)
{
t = default(T); // return null
return(true);
}
else if (s is T)
{
return(StringTryParse(s, out t));
}
else if (type.IsEnum)
{
return(EnumTryParse(s, out t));
}
else if (type.IsGenericType)
{
//if (type.FindInterfaces(Module.FilterTypeNameIgnoreCase, "ICollection*").Length > 0)
if (type.ParseAsCollection())
{
return(CollectionsTryParse(s, out t));
}
else if (type.Name.StartsWith("Nullable"))
{
return(NullableTryParse(s, out t));
}
}
return(GenericTryParse(s, out t));
}
