/**
* {@inheritdoc}
*/
public function __invoke(array $data)
{
if (!isset($this->ast)) {
$tokens = ExpressionParser::lex($this->expr, $this->vars);
$this->ast = ExpressionParser::parseExpression($tokens);
}
return $this->ast->__invoke($data);
}
/**
* {@inheritdoc}
*/
public function __invoke(array $data)
{
$left = $this->left->__invoke($data);
if ($this->operator == 'is' and $this->right === null) {
return $left === null;
}
$right = $this->right->__invoke($data);
// "like" | "in" | "!=" | "<>" | ">=" | "<=" | "!<" | "!>" | "=" | "<" | ">"
switch ($this->operator) {
case 'like':
// TODO: character groups? [abc] [^abc]
$pattern = preg_split('/(?=^|[^\\\\])(?:\\\\\\\\)*([%_])/', $right, -1, PREG_SPLIT_DELIM_CAPTURE);
$regex = '';
foreach ($pattern as $substr) {
if ($substr == '%') {
$regex .= '.*';
} elseif ($substr == '_') {
$regex .= '.';
} else {
$regex .= preg_quote($substr, '/');
}
}
return preg_match('/^' . $regex . '$/i', $left) === 1;
case 'in':
return in_array($left, $right);
case '!=':
return $left != $right;
case '<>':
return $left != $right;
// ??
// ??
case '>=':
return $left >= $right;
case '<=':
return $left <= $right;
case '!<':
return !($left < $right);
case '!>':
return !($left > $right);
case '=':
return $left == $right;
case '<':
return $left < $right;
case '>':
return $left > $right;
case 'and':
return $left and $right;
case 'or':
return $left or $right;
default:
trigger_error('undefined operator: ' . $this->operator, E_USER_ERROR);
}
}
