public virtual char ToUpper(char c)
{
// quick ASCII range check
if (c < 0x60)
{
return(c);
}
else if ('a' <= c && c <= 'z' && (!handleDotI || c != 'i'))
{
return((char)(c - 0x20));
}
if (ci == null || ci.LCID == 0x7F)
{
return(CharUnicodeInfo.ToUpperInvariant(c));
}
switch (c)
{
case '\u0069': // Latin lowercase i
if (handleDotI)
{
return('\u0130'); // dotted capital I
}
break;
case '\u0131': // dotless i
return('\u0049'); // I
case '\u01c5': // see ToLower()
return('\u01c4');
case '\u01c8': // see ToLower()
return('\u01c7');
case '\u01cb': // see ToLower()
return('\u01ca');
case '\u01f2': // see ToLower()
return('\u01f1');
case '\u0390': // GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS
return('\u03aa'); // it is not in ICU
case '\u03b0': // GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND TONOS
return('\u03ab'); // it is not in ICU
case '\u03d0': // GREEK BETA
return('\u0392');
case '\u03d1': // GREEK THETA
return('\u0398');
case '\u03d5': // GREEK PHI
return('\u03a6');
case '\u03d6': // GREEK PI
return('\u03a0');
case '\u03f0': // GREEK KAPPA
return('\u039a');
case '\u03f1': // GREEK RHO
return('\u03a1');
// am not sure why miscellaneous GREEK symbols are
// not handled here.
}
return(CharUnicodeInfo.ToUpperInvariant(c));
}