/// <summary>
/// Pick the next state given just a single character. This is used
/// at the start of a new token.
/// </summary>
/// <param name="ctype">The type of the character.</param>
/// <param name="c">The character.</param>
/// <param name="excludeState">Exclude this state from the possible next state.</param>
/// <returns>The state.</returns>
private NextTokenState PickNextState(byte ctype, int c, NextTokenState excludeState)
{
if (c == '/')
{
return(NextTokenState.MaybeComment); // overrides all other cats
}
else if ((excludeState != NextTokenState.MaybeHex) &&
settings.ParseHexNumbers && (c == '0'))
{
return(NextTokenState.MaybeHex);
}
else if ((excludeState != NextTokenState.MaybeNumber) &&
settings.ParseNumbers &&
(settings.IsCharType(ctype, CharTypeBits.Digit) ||
(c == '-') || (c == '.')))
{
return(NextTokenState.MaybeNumber);
}
else if (settings.IsCharType(ctype, CharTypeBits.Word))
{
return(NextTokenState.Word);
}
else if (settings.GrabEol && (c == 10))
{
return(NextTokenState.Eol);
}
else if (settings.IsCharType(ctype, CharTypeBits.Whitespace))
{
return(NextTokenState.Whitespace);
}
else if (settings.IsCharType(ctype, CharTypeBits.Comment))
{
return(NextTokenState.LineComment);
}
else if (settings.IsCharType(ctype, CharTypeBits.Quote))
{
return(NextTokenState.Quote);
}
else if ((c == EOF) ||
(settings.IsCharType(ctype, CharTypeBits.Eof)))
{
return(NextTokenState.Eof);
}
return(NextTokenState.Char);
}
