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<?php
namespace Sabre\VObject;
/**
* Document.
*
* A document is just like a component, except that it's also the top level
* element.
*
* Both a VCALENDAR and a VCARD are considered documents.
*
* This class also provides a registry for document types.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
abstract class Document extends Component {
/**
* Unknown document type.
*/
const UNKNOWN = 1;
/**
* vCalendar 1.0.
*/
const VCALENDAR10 = 2;
/**
* iCalendar 2.0.
*/
const ICALENDAR20 = 3;
/**
* vCard 2.1.
*/
const VCARD21 = 4;
/**
* vCard 3.0.
*/
const VCARD30 = 5;
/**
* vCard 4.0.
*/
const VCARD40 = 6;
/**
* The default name for this component.
*
* This should be 'VCALENDAR' or 'VCARD'.
*
* @var string
*/
static $defaultName;
/**
* List of properties, and which classes they map to.
*
* @var array
*/
static $propertyMap = [];
/**
* List of components, along with which classes they map to.
*
* @var array
*/
static $componentMap = [];
/**
* List of value-types, and which classes they map to.
*
* @var array
*/
static $valueMap = [];
/**
* Creates a new document.
*
* We're changing the default behavior slightly here. First, we don't want
* to have to specify a name (we already know it), and we want to allow
* children to be specified in the first argument.
*
* But, the default behavior also works.
*
* So the two sigs:
*
* new Document(array $children = [], $defaults = true);
* new Document(string $name, array $children = [], $defaults = true)
*
* @return void
*/
function __construct() {
$args = func_get_args();
if (count($args) === 0 || is_array($args[0])) {
array_unshift($args, $this, static::$defaultName);
call_user_func_array(['parent', '__construct'], $args);
} else {
array_unshift($args, $this);
call_user_func_array(['parent', '__construct'], $args);
}
}
/**
* Returns the current document type.
*
* @return int
*/
function getDocumentType() {
return self::UNKNOWN;
}
/**
* Creates a new component or property.
*
* If it's a known component, we will automatically call createComponent.
* otherwise, we'll assume it's a property and call createProperty instead.
*
* @param string $name
* @param string $arg1,... Unlimited number of args
*
* @return mixed
*/
function create($name) {
if (isset(static::$componentMap[strtoupper($name)])) {
return call_user_func_array([$this, 'createComponent'], func_get_args());
} else {
return call_user_func_array([$this, 'createProperty'], func_get_args());
}
}
/**
* Creates a new component.
*
* This method automatically searches for the correct component class, based
* on its name.
*
* You can specify the children either in key=>value syntax, in which case
* properties will automatically be created, or you can just pass a list of
* Component and Property object.
*
* By default, a set of sensible values will be added to the component. For
* an iCalendar object, this may be something like CALSCALE:GREGORIAN. To
* ensure that this does not happen, set $defaults to false.
*
* @param string $name
* @param array $children
* @param bool $defaults
*
* @return Component
*/
function createComponent($name, array $children = null, $defaults = true) {
$name = strtoupper($name);
$class = 'Sabre\\VObject\\Component';
if (isset(static::$componentMap[$name])) {
$class = static::$componentMap[$name];
}
if (is_null($children)) $children = [];
return new $class($this, $name, $children, $defaults);
}
/**
* Factory method for creating new properties.
*
* This method automatically searches for the correct property class, based
* on its name.
*
* You can specify the parameters either in key=>value syntax, in which case
* parameters will automatically be created, or you can just pass a list of
* Parameter objects.
*
* @param string $name
* @param mixed $value
* @param array $parameters
* @param string $valueType Force a specific valuetype, such as URI or TEXT
*
* @return Property
*/
function createProperty($name, $value = null, array $parameters = null, $valueType = null) {
// If there's a . in the name, it means it's prefixed by a groupname.
if (($i = strpos($name, '.')) !== false) {
$group = substr($name, 0, $i);
$name = strtoupper(substr($name, $i + 1));
} else {
$name = strtoupper($name);
$group = null;
}
$class = null;
if ($valueType) {
// The valueType argument comes first to figure out the correct
// class.
$class = $this->getClassNameForPropertyValue($valueType);
}
if (is_null($class)) {
// If a VALUE parameter is supplied, we should use that.
if (isset($parameters['VALUE'])) {
$class = $this->getClassNameForPropertyValue($parameters['VALUE']);
if (is_null($class)) {
throw new InvalidDataException('Unsupported VALUE parameter for ' . $name . ' property. You supplied "' . $parameters['VALUE'] . '"');
}
}
else {
$class = $this->getClassNameForPropertyName($name);
}
}
if (is_null($parameters)) $parameters = [];
return new $class($this, $name, $value, $parameters, $group);
}
/**
* This method returns a full class-name for a value parameter.
*
* For instance, DTSTART may have VALUE=DATE. In that case we will look in
* our valueMap table and return the appropriate class name.
*
* This method returns null if we don't have a specialized class.
*
* @param string $valueParam
* @return string|null
*/
function getClassNameForPropertyValue($valueParam) {
$valueParam = strtoupper($valueParam);
if (isset(static::$valueMap[$valueParam])) {
return static::$valueMap[$valueParam];
}
}
/**
* Returns the default class for a property name.
*
* @param string $propertyName
*
* @return string
*/
function getClassNameForPropertyName($propertyName) {
if (isset(static::$propertyMap[$propertyName])) {
return static::$propertyMap[$propertyName];
} else {
return 'Sabre\\VObject\\Property\\Unknown';
}
}
}
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