php-src/ext/spl/tests/iterator_022.phpt
2012-10-10 10:27:49 +08:00

187 lines
4.4 KiB
PHP

--TEST--
SPL: RecursiveIteratorIterator and callHasChildren/callGetChildren
--FILE--
<?php
class MyRecursiveArrayIterator extends RecursiveArrayIterator
{
function getChildren()
{
echo __METHOD__ . "\n";
return $this->current();
}
function valid()
{
if (!parent::valid())
{
echo __METHOD__ . " = false\n";
return false;
}
else
{
return true;
}
}
}
class RecursiveArrayIteratorIterator extends RecursiveIteratorIterator
{
private $max_depth;
private $over = 0;
private $skip = false;
function __construct($it, $max_depth)
{
$this->max_depth = $max_depth;
parent::__construct($it);
}
function rewind()
{
echo __METHOD__ . "\n";
$this->skip = false;
parent::rewind();
}
function valid()
{
echo __METHOD__ . "\n";
if ($this->skip)
{
$this->skip = false;
$this->next();
}
return parent::valid();
}
function current()
{
echo __METHOD__ . "\n";
return parent::current();
}
function key()
{
echo __METHOD__ . "\n";
return parent::key();
}
function next()
{
echo __METHOD__ . "\n";
parent::next();
}
function callHasChildren()
{
$this->skip = false;
$has = parent::callHasChildren();
$res = $this->getDepth() < $this->max_depth && $has;
echo __METHOD__ . "(".$this->getDepth().") = ".($res?"yes":"no")."/".($has?"yes":"no")."\n";
if ($has && !$res)
{
$this->over++;
if ($this->over == 2) {
$this->skip = true;
}
}
return $res;
}
function callGetChildren()
{
if ($this->over == 2)
{
echo __METHOD__ . "(skip)\n";
return NULL;
}
echo __METHOD__ . "(ok:{$this->over})\n";
return new MyRecursiveArrayIterator($this->current());
}
function beginChildren()
{
echo __METHOD__ . "(".$this->getDepth().")\n";
}
function endChildren()
{
echo __METHOD__ . "(".$this->getDepth().")\n";
}
}
try
{
foreach(new RecursiveArrayIteratorIterator(new MyRecursiveArrayIterator(array("a", array("ba", array("bba", "bbb"), array(array("bcaa"), array("bcba"))), array("ca"), "d")), 2) as $k=>$v)
{
if (is_array($v)) $v = join('',$v);
echo "$k=>$v\n";
}
}
catch(UnexpectedValueException $e)
{
echo $e->getMessage() . "\n";
}
?>
===DONE===
<?php exit(0); ?>
--EXPECT--
RecursiveArrayIteratorIterator::rewind
RecursiveArrayIteratorIterator::callHasChildren(0) = no/no
RecursiveArrayIteratorIterator::valid
RecursiveArrayIteratorIterator::current
RecursiveArrayIteratorIterator::key
0=>a
RecursiveArrayIteratorIterator::next
RecursiveArrayIteratorIterator::callHasChildren(0) = yes/yes
RecursiveArrayIteratorIterator::callGetChildren(ok:0)
RecursiveArrayIteratorIterator::current
RecursiveArrayIteratorIterator::beginChildren(1)
RecursiveArrayIteratorIterator::callHasChildren(1) = no/no
RecursiveArrayIteratorIterator::valid
RecursiveArrayIteratorIterator::current
RecursiveArrayIteratorIterator::key
0=>ba
RecursiveArrayIteratorIterator::next
RecursiveArrayIteratorIterator::callHasChildren(1) = yes/yes
RecursiveArrayIteratorIterator::callGetChildren(ok:0)
RecursiveArrayIteratorIterator::current
RecursiveArrayIteratorIterator::beginChildren(2)
RecursiveArrayIteratorIterator::callHasChildren(2) = no/no
RecursiveArrayIteratorIterator::valid
RecursiveArrayIteratorIterator::current
RecursiveArrayIteratorIterator::key
0=>bba
RecursiveArrayIteratorIterator::next
RecursiveArrayIteratorIterator::callHasChildren(2) = no/no
RecursiveArrayIteratorIterator::valid
RecursiveArrayIteratorIterator::current
RecursiveArrayIteratorIterator::key
1=>bbb
RecursiveArrayIteratorIterator::next
MyRecursiveArrayIterator::valid = false
RecursiveArrayIteratorIterator::endChildren(2)
RecursiveArrayIteratorIterator::callHasChildren(1) = yes/yes
RecursiveArrayIteratorIterator::callGetChildren(ok:0)
RecursiveArrayIteratorIterator::current
RecursiveArrayIteratorIterator::beginChildren(2)
RecursiveArrayIteratorIterator::callHasChildren(2) = no/yes
RecursiveArrayIteratorIterator::valid
RecursiveArrayIteratorIterator::current
RecursiveArrayIteratorIterator::key
0=>bcaa
RecursiveArrayIteratorIterator::next
RecursiveArrayIteratorIterator::callHasChildren(2) = no/yes
RecursiveArrayIteratorIterator::valid
RecursiveArrayIteratorIterator::next
MyRecursiveArrayIterator::valid = false
RecursiveArrayIteratorIterator::endChildren(2)
MyRecursiveArrayIterator::valid = false
RecursiveArrayIteratorIterator::endChildren(1)
RecursiveArrayIteratorIterator::callHasChildren(0) = yes/yes
RecursiveArrayIteratorIterator::callGetChildren(skip)
Objects returned by RecursiveIterator::getChildren() must implement RecursiveIterator
===DONE===