Completed
Branch conditions-refactoring (5a0a7e)
by Romain
02:00
created

ConditionParserFactory::__construct()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 4
rs 10
c 0
b 0
f 0
cc 1
eloc 2
nc 1
nop 1
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<?php
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/*
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 * 2016 Romain CANON <[email protected]>
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 *
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 * This file is part of the TYPO3 Formz project.
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 * It is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License, either
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 * version 3 of the License, or any later version.
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 *
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 * For the full copyright and license information, see:
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 * http://www.gnu.org/licenses/gpl-3.0.html
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 */
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namespace Romm\Formz\Condition\Parser;
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use Romm\Formz\Configuration\Form\Condition\Activation\ActivationInterface;
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use TYPO3\CMS\Core\SingletonInterface;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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 * @todo
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 */
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class ConditionParserFactory implements SingletonInterface
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{
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    /**
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     * @var ConditionParserFactory
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     */
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    private static $instance;
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    /**
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     * @var ConditionTree[]
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     */
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    private $trees = [];
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    /**
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     * @return ConditionParserFactory
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     */
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    public static function get()
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    {
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        if (null === self::$instance) {
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            self::$instance = GeneralUtility::makeInstance(self::class);
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        }
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        return self::$instance;
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    }
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    /**
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     * @todo
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     *
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     * @param ActivationInterface $condition The condition instance.
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     * @return ConditionTree
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     */
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    public function parse(ActivationInterface $condition)
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    {
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        $hash = sha1(serialize([
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            $condition->getCondition(),
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            $condition->getItems()
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        ]));
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        if (false === array_key_exists($hash, $this->trees)) {
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            $this->trees[$hash] = ConditionParser::get()->parse($condition);
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        }
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        return $this->trees[$hash];
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    }
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}
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