public function __construct(\Iterator $iterator, $filter)
{
Contracts::ensureCallable($filter);
$this->iterator = $iterator;
$this->filter = $filter;
$this->findCurrent();
}
public function __construct(\Iterator $iterator, $mapper)
{
Contracts::ensureCallable($mapper);
$this->iterator = $iterator;
$this->mapper = $mapper;
$this->prepareCurrent();
}
public function __construct(\Iterator $iterator, $mapper)
{
Contracts::ensureCallable($mapper);
$this->flattingIterator = $iterator;
$this->mapper = $mapper;
parent::__construct($this->prepareCurrentIterator()->orElse(new \ArrayIterator(array())), function ($element) {
return $element;
});
}
/**
* @param callback $mapper
*
* @return MapBuilder
*/
public function mapElements($mapper)
{
Contracts::ensureCallable($mapper);
if ($this->map instanceof \SplObjectStorage) {
foreach ($this->map as $key) {
$this->map[$key] = call_user_func($mapper, $this->map[$key]);
}
} else {
foreach ($this->map as $key => $element) {
$this->map[$key] = call_user_func($mapper, $element);
}
}
return $this;
}
/**
* {@inheritDoc}
*/
public function eachBy($processor)
{
Contracts::ensureCallable($processor);
return $this;
}
/**
* {@inheritDoc}
*/
public function eachBy($processor)
{
Contracts::ensureCallable($processor);
call_user_func($processor, $this->data);
return $this;
}
public function __construct($comparator)
{
Contracts::ensureCallable($comparator);
$this->comparator = $comparator;
}
