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<?php
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Install\Configuration;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Abstract feature class implements common code
* @internal only to be used within EXT:install
*/
abstract class AbstractFeature
{
/**
* @var string Name of feature
*/
protected $name = '';
/**
* @var array List of preset classes
*/
protected $presetRegistry = [];
/**
* @var array Holds instances of presets
*/
protected $presetInstances = [];
/**
* @var array List of $POST values
*/
protected $postValues = [];
/**
* Initialize presets of feature
*
* @param array $postValues List of $POST values of this feature
* @throws Exception
*/
public function initializePresets(array $postValues)
{
// Give feature sub array of $POST values to preset and set to own property
$featurePostValues = [];
if (!empty($postValues[$this->name])) {
$featurePostValues = $postValues[$this->name];
}
$this->postValues = $featurePostValues;
$isNonCustomPresetActive = false;
$customPresetFound = false;
foreach ($this->presetRegistry as $presetClass) {
/** @var PresetInterface $presetInstance */
$presetInstance = GeneralUtility::makeInstance($presetClass);
if (!($presetInstance instanceof PresetInterface)) {
throw new Exception(
'Preset ' . $presetClass . ' does not implement PresetInterface',
1378644821
);
}
$presetInstance->setPostValues($featurePostValues);
// Custom preset is set active if no preset before is active
if ($presetInstance->isActive()) {
$isNonCustomPresetActive = true;
}
if ($presetInstance instanceof CustomPresetInterface
&& !$isNonCustomPresetActive
) {
// Throw Exception if two custom presets are registered
if ($customPresetFound === true) {
throw new Exception(
'Preset ' . $presetClass . ' implements CustomPresetInterface, but another'
. ' custom preset is already registered',
1378645039
);
}
/** @var CustomPresetInterface $presetInstance */
$presetInstance->setActive();
$customPresetFound = true;
}
$this->presetInstances[] = $presetInstance;
}
}
/**
* Return presets ordered by priority
*
* @return array|PresetInterface[]
* @throws Exception
*/
public function getPresetsOrderedByPriority()
{
if (empty($this->presetInstances)) {
throw new Exception(
'Presets not initialized',
1378645155
);
}
$orderedPresets = [];
foreach ($this->presetInstances as $presetInstance) {
/** @var PresetInterface $presetInstance */
$orderedPresets[$presetInstance->getPriority()] = $presetInstance;
}
krsort($orderedPresets, SORT_NUMERIC);
return $orderedPresets;
}
/**
* Return name of feature
*
* @return string Name of feature
*/
public function getName()
{
return $this->name;
}
}