//
// RBBISymbolTable::parseReference This function from the abstract symbol table interface
// looks for a $variable name in the source text.
// It does not look it up, only scans for it.
// It is used by the UnicodeSet parser.
//
public virtual string ParseReference(string text, ParsePosition pos, int limit)
{
int start = pos.Index;
int i = start;
string result = "";
while (i < limit)
{
int c = UTF16.CharAt(text, i);
if ((i == start && !UChar.IsUnicodeIdentifierStart(c)) ||
!UChar.IsUnicodeIdentifierPart(c))
{
break;
}
i += UTF16.GetCharCount(c);
}
if (i == start)
{ // No valid name chars
return(result); // Indicate failure with empty string
}
pos.Index = i;
result = text.Substring(start, i - start); // ICU4N: Corrected 2nd parameter
return(result);
}
