Document.php

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<?php

namespace Sabre\VObject;

abstract class Document extends Component {

    const UNKNOWN = 1;

    const VCALENDAR10 = 2;

    const ICALENDAR20 = 3;

    const VCARD21 = 4;

    const VCARD30 = 5;

    const VCARD40 = 6;

    static $defaultName;

    static $propertyMap = [];

    static $componentMap = [];

    static $valueMap = [];

    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);
        }

    }

    function getDocumentType() {

        return self::UNKNOWN;

    }

    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());

        }

    }

    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);

    }

    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);

    }

    function getClassNameForPropertyValue($valueParam) {

        $valueParam = strtoupper($valueParam);
        if (isset(static::$valueMap[$valueParam])) {
            return static::$valueMap[$valueParam];
        }

    }

    function getClassNameForPropertyName($propertyName) {

        if (isset(static::$propertyMap[$propertyName])) {
            return static::$propertyMap[$propertyName];
        } else {
            return 'Sabre\\VObject\\Property\\Unknown';
        }

    }

}