private static void DoStart(ref RangeParserContext context)
{
switch (context.Character)
{
case '(':
context.Reset(State.Minimum, Flags.Parenthesis);
break;
case '*':
case '?':
context.Reset(State.MinimumFinal);
break;
case '~':
context.Reset(State.Separator);
break;
default:
if (!context.IsWhitespace)
{
context.Accept(State.Minimum);
}
break;
}
}
private static void DoSeparator(ref RangeParserContext context)
{
switch (context.Character)
{
case '*':
case '?':
context.Reset(State.MaximumFinal);
break;
default:
if (!context.IsWhitespace)
{
context.Accept(State.Maximum);
}
break;
}
}
private static void DoMaximum(ref RangeParserContext context, out ReadOnlySpan <char> value)
{
switch (context.Character)
{
case '*':
case '?':
context.Reset(State.MaximumFinal, out value);
break;
case ')':
context.Reset(State.Final, out value);
break;
default:
context.Accept(State.Maximum);
value = ReadOnlySpan <char> .Empty;
break;
}
}