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<?php
/** @file directorytreeiterator.inc
* @ingroup Examples
* @brief class DirectoryTreeIterator
* @author Marcus Boerger
* @date 2003 - 2005
*
* SPL - Standard PHP Library
*/
/** @ingroup Examples
* @brief DirectoryIterator to generate ASCII graphic directory trees
* @author Marcus Boerger
* @version 1.1
*/
class DirectoryTreeIterator extends RecursiveIteratorIterator
{
/** Construct from a path.
* @param $path directory to iterate
*/
function __construct($path)
{
parent::__construct(
new RecursiveCachingIterator(
new RecursiveDirectoryIterator($path, RecursiveDirectoryIterator::KEY_AS_FILENAME
),
CachingIterator::CALL_TOSTRING|CachingIterator::CATCH_GET_CHILD
),
parent::SELF_FIRST
);
}
/** @return the current element prefixed with ASCII graphics
*/
function current()
{
$tree = '';
for ($l=0; $l < $this->getDepth(); $l++) {
$tree .= $this->getSubIterator($l)->hasNext() ? '| ' : ' ';
}
return $tree . ($this->getSubIterator($l)->hasNext() ? '|-' : '\-')
. $this->getSubIterator($l)->__toString();
}
/** Aggregates the inner iterator
*/
function __call($func, $params)
{
return call_user_func_array(array($this->getSubIterator(), $func), $params);
}
}
?>
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