Esempio n. 1
0
func lexSection(l *lex.Lexer) lex.StateFn {
	for {
		switch l.Next() {
		case lex.EOF:
			return l.Errorf("Unexpected EOF in section")
		case '\n':
			return l.Errorf("Section: Missing right bracket")
		case rightBracket:
			l.Backup()
			l.Emit(tSection)
			return lexRightBracket
		}
	}
}
Esempio n. 2
0
func lexKey(l *lex.Lexer) lex.StateFn {
	for {
		switch l.Next() {
		case lex.EOF:
			return l.Errorf("Unexpected EOF")
		case equalSign:
			if l.Pos > l.Start {
				l.Backup()
				l.Emit(tKey)
				return lexEqualSign
			}
			return l.Errorf("Unexpected equal sign")
		}
	}
}
Esempio n. 3
0
func lexStart(l *lex.Lexer) lex.StateFn {
	l.AcceptWhitespace(lex.Ignore)

	r := l.Next()
	switch r {
	case lex.EOF:
		l.Emit(lex.TEOF)
		return nil
	case leftBracket:
		l.Backup()
		return lexLeftBracket
	default:
		if lex.IsAlphaNumeric(r) {
			return lexKey
		}
		return l.Errorf("Unknown charecter: %v", string(r))
	}
}
Esempio n. 4
0
func lexValue(l *lex.Lexer) lex.StateFn {
	for {
		switch l.Next() {
		case lex.EOF:
			if l.Pos > l.Start {
				l.Backup()
				l.Emit(tValue)
				l.Emit(lex.TEOF)
				return nil
			}
			return l.Errorf("Unexpected equal sign")
		case '\n':
			l.Backup()
			l.Emit(tValue)
			l.Next(lex.Ignore)
			return lexStart
		}
	}
}