TsConfigParser.php

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<?php
namespace TYPO3\CMS\Backend\Configuration;

use TYPO3\CMS\Backend\Utility\BackendUtility;

class TsConfigParser extends \TYPO3\CMS\Core\TypoScript\Parser\TypoScriptParser {

    protected $rootLine = array();

    public function parseTSconfig($TStext, $type, $id = 0, array $rootLine = array()) {
        $this->type = $type;
        $this->id = $id;
        $this->rootLine = $rootLine;
        $hash = md5($type . ':' . $TStext);
        $cachedContent = BackendUtility::getHash($hash);
        if (is_array($cachedContent)) {
            $storedData = $cachedContent[0];
            $storedMD5 = $cachedContent[1];
            $storedData['match'] = array();
            $storedData = $this->matching($storedData);
            $checkMD5 = md5(serialize($storedData));
            if ($checkMD5 == $storedMD5) {
                $res = array(
                    'TSconfig' => $storedData['TSconfig'],
                    'cached' => 1,
                    'hash' => $hash
                );
            } else {
                $shash = md5($checkMD5 . $hash);
                $cachedSpec = BackendUtility::getHash($shash);
                if (is_array($cachedSpec)) {
                    $storedData = $cachedSpec;
                    $res = array(
                        'TSconfig' => $storedData['TSconfig'],
                        'cached' => 1,
                        'hash' => $shash
                    );
                } else {
                    $storeData = $this->parseWithConditions($TStext);
                    BackendUtility::storeHash($shash, $storeData, $type . '_TSconfig');
                    $res = array(
                        'TSconfig' => $storeData['TSconfig'],
                        'cached' => 0,
                        'hash' => $shash
                    );
                }
            }
        } else {
            $storeData = $this->parseWithConditions($TStext);
            $md5 = md5(serialize($storeData));
            BackendUtility::storeHash($hash, array($storeData, $md5), $type . '_TSconfig');
            $res = array(
                'TSconfig' => $storeData['TSconfig'],
                'cached' => 0,
                'hash' => $hash
            );
        }
        return $res;
    }

    protected function parseWithConditions($TSconfig) {
        $matchObj = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Backend\\Configuration\\TypoScript\\ConditionMatching\\ConditionMatcher');
        $matchObj->setRootline($this->rootLine);
        $matchObj->setPageId($this->id);
        $this->parse($TSconfig, $matchObj);
        $storeData = array(
            'TSconfig' => $this->setup,
            'sections' => $this->sections,
            'match' => $this->sectionsMatch
        );
        return $storeData;
    }

    protected function matching(array $cc) {
        if (is_array($cc['sections'])) {
            $matchObj = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Backend\\Configuration\\TypoScript\\ConditionMatching\\ConditionMatcher');
            $matchObj->setRootline($this->rootLine);
            $matchObj->setPageId($this->id);
            foreach ($cc['sections'] as $key => $pre) {
                if ($matchObj->match($pre)) {
                    $cc['match'][$key] = $pre;
                }
            }
        }
        return $cc;
    }

}