static Exception _TryParse(string text, out CodeReference result)
{
result = null;
if (text == null)
{
return(new ArgumentNullException("text")); // $NON-NLS-1
}
text = text.Trim();
if (text.Length == 0)
{
return(Failure.AllWhitespace("name")); // $NON-NLS-1
}
int index = text.IndexOf(':');
if (index < 0)
{
result = new UnspecifiedCodeReference(text);
return(null);
}
string specifier = text.Substring(0, index).Trim();
string name = text.Substring(index + 1).Trim();
if (specifier.Length == 1)
{
SymbolType type = CodeReferenceHelper.GetReferenceType(specifier[0]);
if (type != SymbolType.Unknown)
{
result = Create(type, name);
return(result.IsValid ? null : Failure.NotParsable("text", typeof(CodeReference)));
}
}
return(Failure.NotParsable("text", typeof(CodeReference)));
}
public sealed override string ToString()
{
return(CodeReferenceHelper.GetReferenceTypeSpecifierChar(SymbolType)
+ ":" + CanonicalString);
}
