typemanager.php

См. документацию.

<?php
 
namespace Bitrix\Conversion\Internals;
 
use Bitrix\Conversion\Config;
use Bitrix\Main\EventManager;
use Bitrix\Main\SystemException;

abstract class TypeManager
{
    static public function getTypesInternal()
    {
        if (! $types =& static::$types)
        {
            $event       = static::$event;
            $checkModule = static::$checkModule;
 
            foreach (EventManager::getInstance()->findEventHandlers('conversion', $event) as $handler)
            {
                $result = ExecuteModuleEventEx($handler);
 
                if (! is_array($result))
                    throw new SystemException('Not array returned from: '.print_r($handler, true));
 
                foreach ($result as $name => $type)
                {
                    if (! is_array($type))
                        throw new SystemException('Not array in: '.$event.'()['.$name.'] => '.print_r($handler, true));
 
                    if ($checkModule)
                    {
                        if (! $type['MODULE'])
                            throw new SystemException('No [MODULE] in: '.$event.'()['.$name.'] => '.print_r($handler, true));
                    }
 
                    if (isset($types[$name]))
                        throw new SystemException('Duplicate in: '.$event.'()['.$name.'] => '.print_r($handler, true));
 
                    $types[$name] = $type;
                }
            }
        }
 
        return $types;
    }
 
    static public function getTypes(array $filter = null)
    {
        if (! $types =& static::$types)
        {
            static::getTypesInternal();
        }
 
        if (! static::$ready)
        {
            static::$ready = true;
 
            uasort($types, function ($a, $b)
            {
                $a = $a['SORT'] ?? 0;
                $b = $b['SORT'] ?? 0;
 
                return $a < $b ? -1 : ($a > $b ? 1 : 0);
            });
 
            if (static::$checkModule)
            {
                $modules = Config::getModules();
                foreach ($types as & $type)
                {
                    $module = $modules[$type['MODULE']];
                    $type['ACTIVE'] = $module && $module['ACTIVE'];
                }
                unset($type);
            }
        }
 
        if ($filter)
        {
            $count = count($filter);
 
            return array_filter($types, function (array $type) use ($count, $filter)
            {
                return $count == count(array_intersect_assoc($filter, $type));
            });
        }
        else
        {
            return $types;
        }
    }

    static public function isTypeActive($name)
    {
        $types = static::getTypes();
        $type = $types[$name];
        return $type && $type['ACTIVE'];
    }
}