helly Sun Sep 26 17:21:46 2004 EDT
Added files:
/php-src/ext/spl/examples iteratoriterator.inc outeriterator.inc
Log:
Add new examples
http://cvs.php.net/co.php/php-src/ext/spl/examples/iteratoriterator.inc?r=1.1&p=1
Index: php-src/ext/spl/examples/iteratoriterator.inc
+++ php-src/ext/spl/examples/iteratoriterator.inc
<?php
/** \ingroup SPL
* \brief Basic Iterator wrapper
*/
class IteratorIterator implements OuterIterator
{
/** Construct an IteratorIterator from an Iterator or an IteratorAggregate.
*
* Classes that only implement Traversable can be wrapped only after
* converting class IteratorItaerator into c code.
*/
function __construct(Traversable $iterator)
{
if ($iterator instanceof IteratorAggregate)
{
$iterator = $iterator->getIterator();
}
if ($iterator instanceof Iterator)
{
$this->iterator = $iterator;
}
else
{
throw new Exception("Classes that only implement Traversable
can be wrapped only after converting class IteratorItaerator into c code");
}
}
/** \return the inner iterator as passed to the constructor
*/
function getInnerIterator()
{
return $this->iterator;
}
/** \return whetehr the iterator is valid
*/
function valid()
{
return $this->iterator->valid();
}
/** \return current key
*/
function key()
{
return $this->iterator->key();
}
/** \return current value
*/
function current()
{
return $this->iterator->current();
}
/** forward to next element
*/
function next()
{
return $this->iterator->next();
}
/** rewind to the first element
*/
function rewind()
{
return $this->iterator->rewind();
}
/** The inner iterator must be public becaus ewhen this class will be
* converted to c code it won't no longer be available.
*/
private $iterator;
}
?>
http://cvs.php.net/co.php/php-src/ext/spl/examples/outeriterator.inc?r=1.1&p=1
Index: php-src/ext/spl/examples/outeriterator.inc
+++ php-src/ext/spl/examples/outeriterator.inc
<?php
/** \ingroup SPL
* \brief Interface to access inner iterator of iterator wrappers
*/
interface OuterIterator extends Iterator
{
/** \return inner iterator
*/
abstract function getInnerIterator();
}
?>
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