示例#1
0
文件: args.php 项目: ihor/Nspl
/**
 * Checks that argument satisfies the required constraints otherwise throws the corresponding exception
 *
 * @param callable|callable[]|string|string[] $constraints Callable(s) which return(s) true if the argument satisfies the requirements or it also might contain the required class name(s)
 * @param mixed $arg
 * @param int|null $atPosition If null then calculated automatically
 * @param string $otherwiseThrow Exception class or exception object
 * @throws \Throwable
 */
function expects($constraints, $arg, $atPosition = null, $otherwiseThrow = '\\InvalidArgumentException')
{
    // Backward compatibility
    if (null !== $atPosition && is_callable($atPosition)) {
        expectsToBe($constraints, $arg, $atPosition, is_int($otherwiseThrow) ? $otherwiseThrow : null, func_num_args() > 4 ? func_get_arg(4) : '\\InvalidArgumentException');
        return;
    }
    if ((array) $constraints === $constraints) {
        $passedAnd = true;
        $passedOr = false;
        foreach ($constraints as $constraint) {
            if (is_callable($constraint)) {
                if (isset(_p\Checker::$isOr[$constraint])) {
                    if (!$passedOr && $constraint($arg)) {
                        $passedOr = true;
                    }
                } else {
                    if (!$constraint($arg)) {
                        $passedAnd = false;
                        break;
                    }
                }
            } else {
                if (!$passedOr && (class_exists($constraint) || interface_exists($constraint)) && $arg instanceof $constraint) {
                    $passedOr = true;
                }
            }
        }
        if (!$passedAnd || !$passedOr) {
            _p\throwExpectsException($arg, _p\ErrorMessage::getFor($constraints), $atPosition, $otherwiseThrow);
        }
    } else {
        if (!$constraints($arg)) {
            _p\throwExpectsException($arg, _p\ErrorMessage::getFor($constraints), $atPosition, $otherwiseThrow);
        }
    }
}
示例#2
0
文件: args.php 项目: ihor/Nspl
 /**
  * @return string
  */
 public function __toString()
 {
     return ErrorMessage::getFor($this->constraints, true);
 }