/** * @param Lexer $lexer * @param char $char */ public function input(Lexer $lexer, $char) { //Valid inputs in this state are: // - Slash (/) means that we are talking about the Path Element: Dot, // - any digit, means that we are talking about a Decimal, // - dot, means that we are talking about the Path Element: Parent. // - comma, means that the current argument of a function is the Current path. //TODO: and also closing parenthesis, closing square bracket, blank. if ($char == '/') { $lexer->pushPath(new PathElementCurrent()); } else { if (self::isDigit($char)) { $lexer->setStateDecimal('0.' . $char); } else { if ($char == '.') { $lexer->setStateDotdot(); } else { if ($char == ',') { $lexer->pushOperand(new TokenPath(new PathElementCurrent())); $lexer->incrementLastFunctionArity(); } else { if ($char == ')') { $lexer->pushOperand(new TokenPath(new PathElementCurrent())); $lexer->closeParenthesis(); } else { if (self::isBlank($char)) { $lexer->pushPath(new PathElementCurrent()); $lexer->setStateClosedExpression(); } else { $this->throwError($lexer, $char); } } } } } } }