public Stringish RenderTrace(Stringish prefix)
{
var writer = new System.IO.StringWriter();
var seen = new Dictionary <SourceReference, bool>();
SourceReference.Write(writer, prefix.ToString(), seen);
return(new SimpleStringish(writer.ToString()));
}
private static bool VerifySymbol(Stringish strish, ReportError error)
{
var str = strish.ToString();
if (str.Length < 1)
{
error("An attribute name cannot be empty.");
return(false);
}
switch (Char.GetUnicodeCategory(str[0]))
{
case UnicodeCategory.LowercaseLetter:
case UnicodeCategory.OtherLetter:
break;
default:
error(String.Format("The name “{0}” is unbecoming of an attribute; it cannot start with “{1}”.",
str, str[0]));
return(false);
}
for (var it = 1; it < str.Length; it++)
{
if (str[it] == '_')
{
continue;
}
switch (Char.GetUnicodeCategory(str[it]))
{
case UnicodeCategory.DecimalDigitNumber:
case UnicodeCategory.LetterNumber:
case UnicodeCategory.LowercaseLetter:
case UnicodeCategory.OtherLetter:
case UnicodeCategory.OtherNumber:
case UnicodeCategory.TitlecaseLetter:
case UnicodeCategory.UppercaseLetter:
continue;
default:
error(String.Format("The name “{0}” is unbecoming of an attribute; it cannot contain “{1}”.",
str, str[it]));
return(false);
}
}
return(true);
}
public ComputeValue Get(Stringish name)
{
return(this[name.ToString()]);
}
public bool Has(Stringish name)
{
return(Has(name.ToString()));
}
public bool VerifySymbol(SourceReference source_reference, Stringish strish)
{
return(VerifySymbol(source_reference, strish.ToString()));
}
public static bool VerifySymbol(Stringish strish)
{
return(VerifySymbol(strish.ToString()));
}
