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<?php
/** @file recursiveregexiterator.inc
* @ingroup SPL
* @brief class RegexIterator
* @author Marcus Boerger
* @date 2003 - 2009
*
* SPL - Standard PHP Library
*/
/**
* @brief Recursive regular expression filter for iterators
* @author Marcus Boerger
* @version 1.0
* @since PHP 5.1
*
* This filter iterator assumes that the inner iterator
*/
class RecursiveRegexIterator extends RegexIterator implements RecursiveIterator
{
/**
* Constructs a regular expression filter around an iterator whose
* elemnts or keys are strings.
*
* @param it inner iterator
* @param regex the regular expression to match
* @param mode operation mode (one of self::MATCH, self::GET_MATCH,
* self::ALL_MATCHES, self::SPLIT)
* @param flags special flags (self::USE_KEY)
* @param preg_flags global PREG_* flags, see preg_match(),
* preg_match_all(), preg_split()
*/
function __construct(RecursiveIterator $it, $regex, $mode = 0, $flags = 0, $preg_flags = 0) {
parent::__construct($it, $regex, $mode, $flags, $preg_flags);
}
/** @return whether the current element has children
*/
function hasChildren()
{
return $this->getInnerIterator()->hasChildren();
}
/** @return an iterator for the current elements children
*
* @note the returned iterator will be of the same class as $this
*/
function getChildren()
{
if (empty($this->ref))
{
$this->ref = new ReflectionClass($this);
}
return $this->ref->newInstance($this->getInnerIterator()->getChildren());
}
private $ref;
}
?>
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