mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-11-25 23:23:16 +00:00
412 lines
11 KiB
PHP
412 lines
11 KiB
PHP
<?php
|
|
|
|
namespace Sabre\VObject;
|
|
|
|
/**
|
|
* VObject Component
|
|
*
|
|
* This class represents a VCALENDAR/VCARD component. A component is for example
|
|
* VEVENT, VTODO and also VCALENDAR. It starts with BEGIN:COMPONENTNAME and
|
|
* ends with END:COMPONENTNAME
|
|
*
|
|
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
|
|
* @author Evert Pot (http://www.rooftopsolutions.nl/)
|
|
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
|
|
*/
|
|
class Component extends Element {
|
|
|
|
/**
|
|
* Name, for example VEVENT
|
|
*
|
|
* @var string
|
|
*/
|
|
public $name;
|
|
|
|
/**
|
|
* Children properties and components
|
|
*
|
|
* @var array
|
|
*/
|
|
public $children = array();
|
|
|
|
/**
|
|
* The following constants are used by the validate() method.
|
|
*/
|
|
const REPAIR = 1;
|
|
|
|
/**
|
|
* If components are added to this map, they will be automatically mapped
|
|
* to their respective classes, if parsed by the reader or constructed with
|
|
* the 'create' method.
|
|
*
|
|
* @var array
|
|
*/
|
|
static public $classMap = array(
|
|
'VALARM' => 'Sabre\\VObject\\Component\\VAlarm',
|
|
'VCALENDAR' => 'Sabre\\VObject\\Component\\VCalendar',
|
|
'VCARD' => 'Sabre\\VObject\\Component\\VCard',
|
|
'VEVENT' => 'Sabre\\VObject\\Component\\VEvent',
|
|
'VJOURNAL' => 'Sabre\\VObject\\Component\\VJournal',
|
|
'VTODO' => 'Sabre\\VObject\\Component\\VTodo',
|
|
);
|
|
|
|
/**
|
|
* Creates the new component by name, but in addition will also see if
|
|
* there's a class mapped to the property name.
|
|
*
|
|
* @param string $name
|
|
* @param string $value
|
|
* @return Component
|
|
*/
|
|
static public function create($name, $value = null) {
|
|
|
|
$name = strtoupper($name);
|
|
|
|
if (isset(self::$classMap[$name])) {
|
|
return new self::$classMap[$name]($name, $value);
|
|
} else {
|
|
return new self($name, $value);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Creates a new component.
|
|
*
|
|
* By default this object will iterate over its own children, but this can
|
|
* be overridden with the iterator argument
|
|
*
|
|
* @param string $name
|
|
* @param ElementList $iterator
|
|
*/
|
|
public function __construct($name, ElementList $iterator = null) {
|
|
|
|
$this->name = strtoupper($name);
|
|
if (!is_null($iterator)) $this->iterator = $iterator;
|
|
|
|
}
|
|
|
|
/**
|
|
* Turns the object back into a serialized blob.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function serialize() {
|
|
|
|
$str = "BEGIN:" . $this->name . "\r\n";
|
|
|
|
/**
|
|
* Gives a component a 'score' for sorting purposes.
|
|
*
|
|
* This is solely used by the childrenSort method.
|
|
*
|
|
* A higher score means the item will be lower in the list.
|
|
* To avoid score collisions, each "score category" has a reasonable
|
|
* space to accomodate elements. The $key is added to the $score to
|
|
* preserve the original relative order of elements.
|
|
*
|
|
* @param int $key
|
|
* @param array $array
|
|
* @return int
|
|
*/
|
|
$sortScore = function($key, $array) {
|
|
|
|
if ($array[$key] instanceof Component) {
|
|
|
|
// We want to encode VTIMEZONE first, this is a personal
|
|
// preference.
|
|
if ($array[$key]->name === 'VTIMEZONE') {
|
|
$score=300000000;
|
|
return $score+$key;
|
|
} else {
|
|
$score=400000000;
|
|
return $score+$key;
|
|
}
|
|
} else {
|
|
// Properties get encoded first
|
|
// VCARD version 4.0 wants the VERSION property to appear first
|
|
if ($array[$key] instanceof Property) {
|
|
if ($array[$key]->name === 'VERSION') {
|
|
$score=100000000;
|
|
return $score+$key;
|
|
} else {
|
|
// All other properties
|
|
$score=200000000;
|
|
return $score+$key;
|
|
}
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
$tmp = $this->children;
|
|
uksort($this->children, function($a, $b) use ($sortScore, $tmp) {
|
|
|
|
$sA = $sortScore($a, $tmp);
|
|
$sB = $sortScore($b, $tmp);
|
|
|
|
if ($sA === $sB) return 0;
|
|
|
|
return ($sA < $sB) ? -1 : 1;
|
|
|
|
});
|
|
|
|
foreach($this->children as $child) $str.=$child->serialize();
|
|
$str.= "END:" . $this->name . "\r\n";
|
|
|
|
return $str;
|
|
|
|
}
|
|
|
|
/**
|
|
* Adds a new component or element
|
|
*
|
|
* You can call this method with the following syntaxes:
|
|
*
|
|
* add(Element $element)
|
|
* add(string $name, $value, array $parameters = array())
|
|
*
|
|
* The first version adds an Element
|
|
* The second adds a property as a string.
|
|
*
|
|
* @param mixed $item
|
|
* @param mixed $itemValue
|
|
* @return void
|
|
*/
|
|
public function add($item, $itemValue = null, array $parameters = array()) {
|
|
|
|
if ($item instanceof Element) {
|
|
if (!is_null($itemValue)) {
|
|
throw new \InvalidArgumentException('The second argument must not be specified, when passing a VObject');
|
|
}
|
|
$item->parent = $this;
|
|
$this->children[] = $item;
|
|
} elseif(is_string($item)) {
|
|
|
|
if (!is_scalar($itemValue)) {
|
|
throw new \InvalidArgumentException('The second argument must be scalar');
|
|
}
|
|
$item = Property::create($item,$itemValue, $parameters);
|
|
$item->parent = $this;
|
|
$this->children[] = $item;
|
|
|
|
} else {
|
|
|
|
throw new \InvalidArgumentException('The first argument must either be a \\Sabre\\VObject\\Element or a string');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns an iterable list of children
|
|
*
|
|
* @return ElementList
|
|
*/
|
|
public function children() {
|
|
|
|
return new ElementList($this->children);
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns an array with elements that match the specified name.
|
|
*
|
|
* This function is also aware of MIME-Directory groups (as they appear in
|
|
* vcards). This means that if a property is grouped as "HOME.EMAIL", it
|
|
* will also be returned when searching for just "EMAIL". If you want to
|
|
* search for a property in a specific group, you can select on the entire
|
|
* string ("HOME.EMAIL"). If you want to search on a specific property that
|
|
* has not been assigned a group, specify ".EMAIL".
|
|
*
|
|
* Keys are retained from the 'children' array, which may be confusing in
|
|
* certain cases.
|
|
*
|
|
* @param string $name
|
|
* @return array
|
|
*/
|
|
public function select($name) {
|
|
|
|
$group = null;
|
|
$name = strtoupper($name);
|
|
if (strpos($name,'.')!==false) {
|
|
list($group,$name) = explode('.', $name, 2);
|
|
}
|
|
|
|
$result = array();
|
|
foreach($this->children as $key=>$child) {
|
|
|
|
if (
|
|
strtoupper($child->name) === $name &&
|
|
(is_null($group) || ( $child instanceof Property && strtoupper($child->group) === $group))
|
|
) {
|
|
|
|
$result[$key] = $child;
|
|
|
|
}
|
|
}
|
|
|
|
reset($result);
|
|
return $result;
|
|
|
|
}
|
|
|
|
/**
|
|
* This method only returns a list of sub-components. Properties are
|
|
* ignored.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getComponents() {
|
|
|
|
$result = array();
|
|
foreach($this->children as $child) {
|
|
if ($child instanceof Component) {
|
|
$result[] = $child;
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
|
|
}
|
|
|
|
/**
|
|
* Validates the node for correctness.
|
|
*
|
|
* The following options are supported:
|
|
* - Component::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) {
|
|
|
|
$result = array();
|
|
foreach($this->children as $child) {
|
|
$result = array_merge($result, $child->validate());
|
|
}
|
|
return $result;
|
|
|
|
}
|
|
|
|
/* Magic property accessors {{{ */
|
|
|
|
/**
|
|
* Using 'get' you will either get a property or component,
|
|
*
|
|
* If there were no child-elements found with the specified name,
|
|
* null is returned.
|
|
*
|
|
* @param string $name
|
|
* @return Property
|
|
*/
|
|
public function __get($name) {
|
|
|
|
$matches = $this->select($name);
|
|
if (count($matches)===0) {
|
|
return null;
|
|
} else {
|
|
$firstMatch = current($matches);
|
|
/** @var $firstMatch Property */
|
|
$firstMatch->setIterator(new ElementList(array_values($matches)));
|
|
return $firstMatch;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* This method checks if a sub-element with the specified name exists.
|
|
*
|
|
* @param string $name
|
|
* @return bool
|
|
*/
|
|
public function __isset($name) {
|
|
|
|
$matches = $this->select($name);
|
|
return count($matches)>0;
|
|
|
|
}
|
|
|
|
/**
|
|
* Using the setter method you can add properties or subcomponents
|
|
*
|
|
* You can either pass a Component, Property
|
|
* object, or a string to automatically create a Property.
|
|
*
|
|
* If the item already exists, it will be removed. If you want to add
|
|
* a new item with the same name, always use the add() method.
|
|
*
|
|
* @param string $name
|
|
* @param mixed $value
|
|
* @return void
|
|
*/
|
|
public function __set($name, $value) {
|
|
|
|
$matches = $this->select($name);
|
|
$overWrite = count($matches)?key($matches):null;
|
|
|
|
if ($value instanceof Component || $value instanceof Property) {
|
|
$value->parent = $this;
|
|
if (!is_null($overWrite)) {
|
|
$this->children[$overWrite] = $value;
|
|
} else {
|
|
$this->children[] = $value;
|
|
}
|
|
} elseif (is_scalar($value)) {
|
|
$property = Property::create($name,$value);
|
|
$property->parent = $this;
|
|
if (!is_null($overWrite)) {
|
|
$this->children[$overWrite] = $property;
|
|
} else {
|
|
$this->children[] = $property;
|
|
}
|
|
} else {
|
|
throw new \InvalidArgumentException('You must pass a \\Sabre\\VObject\\Component, \\Sabre\\VObject\\Property or scalar type');
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Removes all properties and components within this component.
|
|
*
|
|
* @param string $name
|
|
* @return void
|
|
*/
|
|
public function __unset($name) {
|
|
|
|
$matches = $this->select($name);
|
|
foreach($matches as $k=>$child) {
|
|
|
|
unset($this->children[$k]);
|
|
$child->parent = null;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* }}} */
|
|
|
|
/**
|
|
* This method is automatically called when the object is cloned.
|
|
* Specifically, this will ensure all child elements are also cloned.
|
|
*
|
|
* @return void
|
|
*/
|
|
public function __clone() {
|
|
|
|
foreach($this->children as $key=>$child) {
|
|
$this->children[$key] = clone $child;
|
|
$this->children[$key]->parent = $this;
|
|
}
|
|
|
|
}
|
|
|
|
}
|