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sources/3rdparty/sabre/vobject/lib/Sabre/VObject/Node.php
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Init
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<?php namespace Sabre\VObject; /** * Base class for all nodes * |
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* @copyright Copyright (C) 2007-2013 fruux GmbH (https://fruux.com/). * @author Evert Pot (http://evertpot.com/) |
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03e52840d
Init
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* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
abstract class Node implements \IteratorAggregate, \ArrayAccess, \Countable {
/**
* The following constants are used by the validate() method.
*/
const REPAIR = 1;
/**
* Turns the object back into a serialized blob.
*
* @return string
*/
abstract function serialize();
/**
* Iterator override
*
* @var ElementList
*/
protected $iterator = null;
/**
* A link to the parent node
*
* @var Node
*/
public $parent = null;
/**
* Validates the node for correctness.
*
* The following options are supported:
* - Node::REPAIR - If something is broken, and automatic repair may
* be attempted.
*
* An array is returned with warnings.
*
* Every item in the array has the following properties:
* * level - (number between 1 and 3 with severity information)
* * message - (human readable message)
* * node - (reference to the offending node)
*
* @param int $options
* @return array
*/
public function validate($options = 0) {
return array();
}
/* {{{ IteratorAggregator interface */
/**
* Returns the iterator for this object
*
* @return ElementList
*/
public function getIterator() {
if (!is_null($this->iterator))
return $this->iterator;
return new ElementList(array($this));
}
/**
* Sets the overridden iterator
*
* Note that this is not actually part of the iterator interface
*
* @param ElementList $iterator
* @return void
*/
public function setIterator(ElementList $iterator) {
$this->iterator = $iterator;
}
/* }}} */
/* {{{ Countable interface */
/**
* Returns the number of elements
*
* @return int
*/
public function count() {
$it = $this->getIterator();
return $it->count();
}
/* }}} */
/* {{{ ArrayAccess Interface */
/**
* Checks if an item exists through ArrayAccess.
*
* This method just forwards the request to the inner iterator
*
* @param int $offset
* @return bool
*/
public function offsetExists($offset) {
$iterator = $this->getIterator();
return $iterator->offsetExists($offset);
}
/**
* Gets an item through ArrayAccess.
*
* This method just forwards the request to the inner iterator
*
* @param int $offset
* @return mixed
*/
public function offsetGet($offset) {
$iterator = $this->getIterator();
return $iterator->offsetGet($offset);
}
/**
* Sets an item through ArrayAccess.
*
* This method just forwards the request to the inner iterator
*
* @param int $offset
* @param mixed $value
* @return void
*/
public function offsetSet($offset,$value) {
$iterator = $this->getIterator();
$iterator->offsetSet($offset,$value);
// @codeCoverageIgnoreStart
//
// This method always throws an exception, so we ignore the closing
// brace
}
// @codeCoverageIgnoreEnd
/**
* Sets an item through ArrayAccess.
*
* This method just forwards the request to the inner iterator
*
* @param int $offset
* @return void
*/
public function offsetUnset($offset) {
$iterator = $this->getIterator();
$iterator->offsetUnset($offset);
// @codeCoverageIgnoreStart
//
// This method always throws an exception, so we ignore the closing
// brace
}
// @codeCoverageIgnoreEnd
/* }}} */
}
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