410 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			410 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) 2011-2015 fruux GmbH (https://fruux.com/).
 | |
|  * @author Evert Pot (http://evertpot.com/)
 | |
|  * @license http://sabre.io/license/ Modified BSD License
 | |
|  */
 | |
| class Component extends Node {
 | |
| 
 | |
|     /**
 | |
|      * Name, for example VEVENT
 | |
|      *
 | |
|      * @var string
 | |
|      */
 | |
|     public $name;
 | |
| 
 | |
|     /**
 | |
|      * Children properties and components
 | |
|      *
 | |
|      * @var array
 | |
|      */
 | |
|     public $children = array();
 | |
| 
 | |
|     /**
 | |
|      * 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',
 | |
|         'VFREEBUSY'     => 'Sabre\\VObject\\Component\\VFreeBusy',
 | |
|     );
 | |
| 
 | |
|     /**
 | |
|      * 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(Node $node)
 | |
|      * 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 Node) {
 | |
|             if (!is_null($itemValue)) {
 | |
|                 throw new \InvalidArgumentException('The second argument must not be specified, when passing a VObject Node');
 | |
|             }
 | |
|             $item->parent = $this;
 | |
|             $this->children[] = $item;
 | |
|         } elseif(is_string($item)) {
 | |
| 
 | |
|             $item = Property::create($item,$itemValue, $parameters);
 | |
|             $item->parent = $this;
 | |
|             $this->children[] = $item;
 | |
| 
 | |
|         } else {
 | |
| 
 | |
|             throw new \InvalidArgumentException('The first argument must either be a \\Sabre\\VObject\\Node or a string');
 | |
| 
 | |
|         }
 | |
| 
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Returns an iterable list of children
 | |
|      *
 | |
|      * @return ElementList
 | |
|      */
 | |
|     public function children() {
 | |
| 
 | |
|         return new ElementList($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:
 | |
|      *   - 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) {
 | |
| 
 | |
|         $result = array();
 | |
|         foreach($this->children as $child) {
 | |
|             $result = array_merge($result, $child->validate($options));
 | |
|         }
 | |
|         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($matches):null;
 | |
| 
 | |
|         if (is_null($value)) {
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         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;
 | |
|         }
 | |
| 
 | |
|     }
 | |
| 
 | |
| }
 |