private void NextTokenForKey()
{
var start = _position;
switch (_c)
{
case '\n':
_token = new SyntaxTokenValue(TokenKind.NewLine, start, start);
NextChar();
break;
case '\r':
NextChar();
// case of: \r\n
if (_c == '\n')
{
_token = new SyntaxTokenValue(TokenKind.NewLine, start, _position);
NextChar();
break;
}
// case of \r
_token = new SyntaxTokenValue(TokenKind.NewLine, start, start);
break;
case '#':
NextChar();
ReadComment(start);
break;
case '.':
NextChar();
_token = new SyntaxTokenValue(TokenKind.Dot, start, start);
break;
case '=': // in the context of a key, we need to parse up to the =
NextChar();
_token = new SyntaxTokenValue(TokenKind.Equal, start, start);
break;
case '{':
_token = new SyntaxTokenValue(TokenKind.OpenBrace, _position, _position);
NextChar();
break;
case '}':
_token = new SyntaxTokenValue(TokenKind.CloseBrace, _position, _position);
NextChar();
break;
case '[':
NextChar();
// case of: ]]
if (_c == '[')
{
_token = new SyntaxTokenValue(TokenKind.OpenBracketDouble, start, _position);
NextChar();
break;
}
_token = new SyntaxTokenValue(TokenKind.OpenBracket, start, start);
break;
case ']':
NextChar();
// case of: ]]
if (_c == ']')
{
_token = new SyntaxTokenValue(TokenKind.CloseBracketDouble, start, _position);
NextChar();
break;
}
_token = new SyntaxTokenValue(TokenKind.CloseBracket, start, start);
break;
case '"':
ReadString(start, false);
break;
case '\'':
ReadStringLiteral(start, false);
break;
case Eof:
_token = new SyntaxTokenValue(TokenKind.Eof, _position, _position);
break;
default:
// Eat any whitespace
if (ConsumeWhitespace())
{
break;
}
if (CharHelper.IsKeyStart(_c))
{
ReadKey();
break;
}
// invalid char
_token = new SyntaxTokenValue(TokenKind.Invalid, _position, _position);
NextChar();
break;
}
}