internal static void AppendQuoted(String chars, StringBuffer toAddTo)
{
bool inQuote = false;
char ch = chars.CharAt(0);
if (Character.IsSpaceChar(ch))
{
inQuote = true;
toAddTo.Append('\'');
}
else
{
if (PatternEntry.IsSpecialChar(ch))
{
inQuote = true;
toAddTo.Append('\'');
}
else
{
switch (ch)
{
case 0x0010:
case '\f':
case '\r':
case '\t':
case '\n':
case '@':
inQuote = true;
toAddTo.Append('\'');
break;
case '\'':
inQuote = true;
toAddTo.Append('\'');
break;
default:
if (inQuote)
{
inQuote = false;
toAddTo.Append('\'');
}
break;
}
}
}
toAddTo.Append(chars);
if (inQuote)
{
toAddTo.Append('\'');
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public PatternEntry next() throws ParseException
public virtual PatternEntry Next()
{
int newStrength = UNSET;
NewChars.Length = 0;
NewExtension.Length = 0;
bool inChars = true;
bool inQuote = false;
while (i < Pattern.Length())
{
char ch = Pattern.CharAt(i);
if (inQuote)
{
if (ch == '\'')
{
inQuote = false;
}
else
{
if (NewChars.Length() == 0)
{
NewChars.Append(ch);
}
else if (inChars)
{
NewChars.Append(ch);
}
else
{
NewExtension.Append(ch);
}
}
}
else
{
switch (ch)
{
case '=':
if (newStrength != UNSET)
{
goto mainLoopBreak;
}
newStrength = Collator.IDENTICAL;
break;
case ',':
if (newStrength != UNSET)
{
goto mainLoopBreak;
}
newStrength = Collator.TERTIARY;
break;
case ';':
if (newStrength != UNSET)
{
goto mainLoopBreak;
}
newStrength = Collator.SECONDARY;
break;
case '<':
if (newStrength != UNSET)
{
goto mainLoopBreak;
}
newStrength = Collator.PRIMARY;
break;
case '&':
if (newStrength != UNSET)
{
goto mainLoopBreak;
}
newStrength = RESET;
break;
case '\t':
case '\n':
case '\f':
case '\r':
case ' ': // skip whitespace TODO use Character
break;
case '/':
inChars = false;
break;
case '\'':
inQuote = true;
ch = Pattern.CharAt(++i);
if (NewChars.Length() == 0)
{
NewChars.Append(ch);
}
else if (inChars)
{
NewChars.Append(ch);
}
else
{
NewExtension.Append(ch);
}
break;
default:
if (newStrength == UNSET)
{
throw new ParseException("missing char (=,;<&) : " + Pattern.Substring(i, (10 < Pattern.Length()) ? i + 10 : Pattern.Length()), i);
}
if (PatternEntry.IsSpecialChar(ch) && (inQuote == false))
{
throw new ParseException("Unquoted punctuation character : " + Convert.ToString(ch, 16), i);
}
if (inChars)
{
NewChars.Append(ch);
}
else
{
NewExtension.Append(ch);
}
break;
}
}
i++;
mainLoopContinue :;
}
mainLoopBreak :
if (newStrength == UNSET)
{
return(null);
}
if (NewChars.Length() == 0)
{
throw new ParseException("missing chars (=,;<&): " + Pattern.Substring(i, (10 < Pattern.Length()) ? i + 10 : Pattern.Length()), i);
}
return(new PatternEntry(newStrength, NewChars, NewExtension));
}
