/**
* @param Lexer $lexer
* @param char $char
*/
public function input(Lexer $lexer, $char)
{
if ($this->escaping) {
$this->buffer .= $char;
$this->escaping = false;
} else {
if ($char == "'") {
$lexer->pushOperand(new TokenLiteral($this->buffer));
$this->closed = true;
} else {
if ($char == '\\') {
$this->escaping = true;
} else {
if ($this->closed) {
if ($char == ',') {
$lexer->incrementLastFunctionArity();
$lexer->setStateEmpty();
} else {
if ($char == ')') {
$lexer->closeParenthesis();
} else {
if (self::isBlank($char)) {
} else {
if ($char == '+' || $char == '-') {
$lexer->pushOperator(new TokenPlusMinus($char));
} else {
if ($char == '=' || $char == '!') {
$lexer->setStateComparison($char);
} else {
if ($char == '*') {
$lexer->pushOperator(new TokenMul());
} else {
if ($char == ']') {
$lexer->closeSquareBracket();
} else {
$this->throwError($lexer, $char);
}
}
}
}
}
}
}
} else {
$this->buffer .= $char;
}
}
}
}
}
/**
* @param Lexer $lexer
* @param char $char
*/
public function input(Lexer $lexer, $char)
{
if ($char == "'") {
$lexer->setStateString();
} else {
if (self::isAlpha($char)) {
$lexer->setStateSymbol($char);
} else {
if ($char == '-' || $char == '+') {
$lexer->pushOperator(new TokenUnarySign($char));
} else {
if (self::isDigit($char)) {
$lexer->setStateInteger($char);
} else {
if ($char == '(') {
$lexer->pushOperator(new TokenLParen());
} else {
if ($char == '*') {
$lexer->pushOperator(new TokenMul());
} else {
if ($char == ')') {
$lexer->closeParenthesis();
} else {
if ($char == ',') {
$lexer->incrementLastFunctionArity();
} else {
if ($char == '/') {
$lexer->pushPath(new PathElementRoot());
} else {
if ($char == '.') {
$lexer->setStateDot();
} else {
if (self::isBlank($char)) {
} else {
$this->throwError($lexer, $char);
}
}
}
}
}
}
}
}
}
}
}
}
/**
* @param Lexer $lexer
* @param char $char
*/
public function input(Lexer $lexer, $char)
{
if (self::isBlank($char)) {
} else {
if ($char == '+' || $char == '-') {
$lexer->pushOperator(new TokenPlusMinus($char));
} else {
if ($char == '*') {
$lexer->pushOperator(new TokenMul());
} else {
if ($char == '!') {
$lexer->setStateComparison($char);
} else {
if ($char == '=') {
$lexer->setStateComparison($char);
} else {
if (self::isAlpha($char)) {
$lexer->setStateSymbol($char);
} else {
if ($char == ')') {
$lexer->closeParenthesis();
} else {
if ($char == ']') {
$lexer->closeSquareBracket();
} else {
if ($char == ',') {
$lexer->incrementLastFunctionArity();
} else {
$this->throwError($lexer, $char);
}
}
}
}
}
}
}
}
}
}
/**
* @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);
}
}
}
}
}
}
}
/**
* @param Lexer $lexer
* @param string $char
*/
public function input(Lexer $lexer, $char)
{
//Valid inputs while in state Path are:
//- any alphanum if not closed,
//- opening [ if not closed and separated,
//- slash if not closed and not separated,
//- opening ( if not separated,
//- closing ) always
//- , (comma) always
if ($char == ',') {
if (!$this->closedSubpath && !$this->closed) {
$lexer->pushPathElement($this->buffer);
}
$lexer->incrementLastFunctionArity();
} else {
if ($char == ')') {
if (!$this->closedSubpath && !$this->closed) {
$lexer->pushPathElement($this->buffer);
}
$lexer->closeParenthesis();
} else {
if ($char == '[') {
if (!$this->closed && $this->separated && !$this->closedSubpath) {
$lexer->pushOperator(new TokenLBracket());
} else {
$this->throwError($lexer, $char);
}
} else {
if ($char == ']') {
$lexer->pushPathElement($this->buffer);
$lexer->closeSquareBracket();
} else {
if ($char == '/') {
if (!$this->separated) {
$this->separated = true;
if (!$this->closed && !$this->closedSubpath) {
$lexer->pushPathElement($this->buffer);
}
$this->closed = false;
$this->buffer = '';
$this->closedSubpath = false;
} else {
$this->throwError($lexer, $char);
}
} else {
if (self::isAlphaNum($char)) {
if (!$this->closedSubpath) {
$this->buffer .= $char;
$this->separated = false;
} else {
$this->throwError($lexer, $char);
}
} else {
if (self::isBlank($char)) {
$this->closed = true;
if (!$this->closedSubpath) {
$lexer->pushPathElement($this->buffer);
}
$lexer->setStateClosedExpression();
} else {
if ($char == '(' && !$this->separated) {
$lexer->setStateFunction($this->buffer);
} else {
if ($char == '=' || $char == '!') {
$this->closed = true;
if (!$this->closedSubpath) {
$lexer->pushPathElement($this->buffer);
}
$lexer->setStateComparison($char);
} else {
if ($char == '+' || $char == '-') {
$this->closed = true;
if (!$this->closedSubpath) {
$lexer->pushPathElement($this->buffer);
}
$lexer->pushOperator(new TokenPlusMinus($char));
} else {
$this->throwError($lexer, $char);
}
}
}
}
}
}
}
}
}
}
}