helly Sun Oct 2 13:32:37 2005 EDT
Added files:
/php-src/ext/spl/examples recursivetreeiterator.inc
Log:
- Add new example
http://cvs.php.net/co.php/php-src/ext/spl/examples/recursivetreeiterator.inc?r=1.1&p=1
Index: php-src/ext/spl/examples/recursivetreeiterator.inc
+++ php-src/ext/spl/examples/recursivetreeiterator.inc
<?php
/** @file recursivetreeiterator.inc
* @ingroup Examples
* @brief class RecursiveTreeIterator
* @author Marcus Boerger, Johannes Schlueter
* @date 2005
*
* SPL - Standard PHP Library
*/
/** @ingroup Examples
* @brief RecursiveIteratorIterator to generate ASCII graphic trees for the
* entries in a RecursiveIterator
* @author Marcus Boerger, Johannes Schlueter
* @version 1.0
*/
class RecursiveTreeIterator extends RecursiveIteratorIterator
{
private $callToString;
function __construct(RecursiveIterator $it, $cit_flags =
CachingIterator::CATCH_GET_CHILD)
{
parent::__construct(new RecursiveCachingIterator($it,
$cit_flags), 1);
$this->callToString = (bool)($cit_flags &
CachingIterator::CALL_TOSTRING);
}
/** @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->callToString ?
$this->getSubIterator($l)->__toString() : $this->getSubIterator($l)->current());
}
/** Aggregates the inner iterator
*/
function __call($func, $params)
{
return call_user_func_array(array($this->getSubIterator(),
$func), $params);
}
}
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