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<?php |
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/** |
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* @copyright 2017 Vladimir Jimenez |
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* @license https://github.com/allejo/stakx/blob/master/LICENSE.md MIT |
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*/ |
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namespace allejo\stakx; |
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use allejo\stakx\Exception\FileAccessDeniedException; |
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use allejo\stakx\Exception\RecursiveConfigurationException; |
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use allejo\stakx\System\Filesystem; |
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use allejo\stakx\Utilities\ArrayUtilities; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\Filesystem\Exception\FileNotFoundException; |
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use Symfony\Component\Yaml\Exception\ParseException; |
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use Symfony\Component\Yaml\Yaml; |
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class Configuration implements LoggerAwareInterface |
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{ |
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const HIGHLIGHTER_ENABLED = 'highlighter-enabled'; |
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const DEFAULT_NAME = '_config.yml'; |
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const IMPORT_KEYWORD = 'import'; |
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const CACHE_FOLDER = '.stakx-cache'; |
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private static $configImports = array(); |
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/** |
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* A list of regular expressions or files directly related to stakx websites that should not be copied over to the |
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* compiled website as an asset. |
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* |
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* @var array |
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*/ |
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public static $stakxSourceFiles = array('/^_(?!themes).*/', '/.twig$/'); |
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/** |
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* An array representation of the main Yaml configuration. |
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* |
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* @var array |
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*/ |
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private $configuration; |
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/** |
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* @var string |
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*/ |
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private $parentConfig; |
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/** @var string */ |
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private $currentFile; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $output; |
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/** |
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* @var Filesystem |
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*/ |
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private $fs; |
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/** |
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* Configuration constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->configuration = array(); |
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$this->fs = new Filesystem(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setLogger(LoggerInterface $logger) |
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{ |
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$this->output = $logger; |
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} |
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/// |
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// Getters |
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/// |
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/** |
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* @return bool |
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*/ |
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public function isDebug() |
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{ |
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return $this->returnConfigOption('debug', false); |
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} |
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/** |
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* @TODO 1.0.0 Remove support for 'base' in next major release; it has been replaced by 'baseurl' |
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* |
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* @return mixed|null |
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*/ |
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public function getBaseUrl() |
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{ |
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$base = $this->returnConfigOption('base'); |
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$baseUrl = $this->returnConfigOption('baseurl'); |
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if (is_null($base) || (!empty($baseUrl))) |
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{ |
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return $baseUrl; |
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} |
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return $base; |
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} |
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public function hasDataItems() |
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{ |
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return ($this->getDataFolders() !== null || $this->getDataSets() !== null); |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getDataFolders() |
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{ |
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return $this->returnConfigOption('data'); |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getDataSets() |
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{ |
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return $this->returnConfigOption('datasets'); |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getIncludes() |
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{ |
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return $this->returnConfigOption('include', array()); |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getExcludes() |
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{ |
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return $this->returnConfigOption('exclude', array()); |
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} |
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/** |
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* @return array |
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*/ |
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public function getHighlighterCustomLanguages() |
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{ |
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return $this->configuration['highlighter']['languages']; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isHighlighterEnabled() |
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{ |
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return $this->configuration['highlighter']['enabled']; |
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} |
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/** |
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* @return string |
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*/ |
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public function getTheme() |
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{ |
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return $this->returnConfigOption('theme'); |
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} |
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/** |
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* @return array |
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*/ |
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public function getConfiguration() |
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{ |
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return $this->configuration; |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getPageViewFolders() |
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{ |
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return $this->returnConfigOption('pageviews'); |
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} |
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/** |
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* @return string |
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*/ |
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public function getTargetFolder() |
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{ |
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return $this->returnConfigOption('target'); |
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} |
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public function hasCollections() |
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{ |
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return ($this->getCollectionsFolders() !== null); |
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} |
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/** |
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* @return string[][] |
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*/ |
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public function getCollectionsFolders() |
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{ |
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return $this->returnConfigOption('collections'); |
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} |
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/** |
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* @return bool |
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*/ |
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public function getTwigAutoescape() |
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{ |
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return $this->configuration['twig']['autoescape']; |
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} |
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/** |
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* @return false|string |
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*/ |
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public function getRedirectTemplate() |
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{ |
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return $this->configuration['templates']['redirect']; |
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} |
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/** |
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* Return the specified configuration option if available, otherwise return the default. |
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* |
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* @param string $name The configuration option to lookup |
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* @param mixed|null $default The default value returned if the configuration option isn't found |
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* |
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* @return mixed|null |
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*/ |
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private function returnConfigOption($name, $default = null) |
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{ |
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return isset($this->configuration[$name]) ? $this->configuration[$name] : $default; |
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} |
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/// |
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// Parsing |
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/// |
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/** |
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* Safely read a YAML configuration file and return an array representation of it. |
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* |
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* This function will only read files from within the website folder. |
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* |
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* @param string $filePath |
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* |
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* @return array |
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*/ |
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private static function readFile($filePath) |
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{ |
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$fs = new Filesystem(); |
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$fileRaw = $fs->safeReadFile($filePath); |
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$parsed = Yaml::parse($fileRaw); |
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return (null === $parsed) ? array() : $parsed; |
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} |
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/** |
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* Parse a configuration file. |
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* |
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* @param string|null $configFile |
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*/ |
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public function parse($configFile = null) |
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{ |
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$this->parentConfig = $this->fs->getRelativePath($configFile); |
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self::$configImports = array(); |
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$this->configuration = $this->parseConfig($configFile); |
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$this->mergeDefaultConfiguration(); |
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$this->handleDefaultOperations(); |
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$this->handleDeprecations(); |
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self::$configImports = array(); |
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} |
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/** |
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* Parse a given configuration file and return an associative array representation. |
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* |
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* This function will automatically take care of imports in each file, whether it be a child or grandchild config |
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* file. `$configFile` should be called with 'null' when "configuration-less" mode is used. |
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* |
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* @param string|null $configFile The path to the configuration file. If null, the default configuration will be |
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* used |
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* |
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* @return array |
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*/ |
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private function parseConfig($configFile = null) |
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{ |
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if (null === $configFile) |
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{ |
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return array(); |
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} |
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$this->currentFile = $configFile; |
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try |
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{ |
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$this->isRecursiveImport($configFile); |
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$parsedConfig = self::readFile($configFile); |
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$this->handleImports($parsedConfig); |
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unset($parsedConfig[self::IMPORT_KEYWORD]); |
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return $parsedConfig; |
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} |
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catch (ParseException $e) |
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{ |
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$this->output->error('{file}: parsing failed... {message}', array( |
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'message' => $e->getMessage(), |
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'file' => $configFile, |
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)); |
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$this->output->error('Using default configuration...'); |
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} |
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catch (RecursiveConfigurationException $e) |
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{ |
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$this->output->error("{file}: you can't recursively import a file that's already been imported: {import}", array( |
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'file' => $configFile, |
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'import' => $e->getRecursiveImport(), |
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)); |
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} |
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return array(); |
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} |
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/** |
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* Merge the default configuration with the parsed configuration. |
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*/ |
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private function mergeDefaultConfiguration() |
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{ |
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$defaultConfig = array( |
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'baseurl' => '', |
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'target' => '_site', |
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'twig' => array( |
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'autoescape' => false, |
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), |
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'include' => array( |
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'.htaccess', |
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), |
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'exclude' => array( |
342
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'node_modules/', |
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'stakx-theme.yml', |
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'/tmp___$/', |
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self::DEFAULT_NAME, |
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), |
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'templates' => array( |
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'redirect' => false, |
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), |
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'highlighter' => array( |
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'enabled' => true, |
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'languages' => array(), |
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), |
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'build' => array( |
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'preserveCase' => false |
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), |
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); |
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359
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$this->configuration = ArrayUtilities::array_merge_defaults($defaultConfig, $this->configuration, 'name'); |
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} |
361
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362
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/** |
363
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* Warn about deprecated keywords in the configuration file. |
364
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*/ |
365
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50 |
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private function handleDeprecations() |
366
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{ |
367
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// @TODO 1.0.0 handle 'base' deprecation in _config.yml |
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50 |
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$base = $this->returnConfigOption('base'); |
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370
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50 |
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if (!is_null($base)) |
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{ |
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$this->output->warning("The 'base' configuration option has been replaced by 'baseurl' and will be removed in in version 1.0.0."); |
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} |
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} |
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|
376
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/** |
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* Recursively resolve imports for a given array. |
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* |
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* This modifies the array in place. |
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* |
381
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* @param array $configuration |
382
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*/ |
383
|
36 |
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private function handleImports(array &$configuration) |
384
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{ |
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|
36 |
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if (!array_key_exists(self::IMPORT_KEYWORD, $configuration)) |
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|
36 |
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{ |
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$this->output->debug('{file}: does not import any other files', array( |
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36 |
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'file' => $this->parentConfig, |
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36 |
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)); |
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|
391
|
36 |
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return; |
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} |
393
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|
|
|
394
|
19 |
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if (!is_array($imports = $configuration[self::IMPORT_KEYWORD])) |
395
|
19 |
|
{ |
396
|
4 |
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$this->output->error('{file}: the reserved "import" keyword can only be an array'); |
397
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|
|
|
398
|
4 |
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return; |
399
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|
} |
400
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|
|
|
401
|
15 |
|
$parentConfigLocation = $this->fs->getFolderPath($this->parentConfig); |
402
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|
|
|
403
|
15 |
|
foreach ($imports as $import) |
404
|
|
|
{ |
405
|
15 |
|
$this->handleImport($import, $parentConfigLocation, $configuration); |
406
|
15 |
|
} |
407
|
15 |
|
} |
408
|
|
|
|
409
|
|
|
/** |
410
|
|
|
* Resolve a single import definition. |
411
|
|
|
* |
412
|
|
|
* @param string $importDef The path for a given import; this will be treated as a relative path to the parent |
413
|
|
|
* configuration |
414
|
|
|
* @param string $parentConfLoc The path to the parent configuration |
415
|
|
|
* @param array $configuration The array representation of the current configuration; this will be modified in place |
416
|
|
|
*/ |
417
|
15 |
|
private function handleImport($importDef, $parentConfLoc, array &$configuration) |
418
|
|
|
{ |
419
|
15 |
|
if (!is_string($importDef)) |
420
|
15 |
|
{ |
421
|
3 |
|
$this->output->error('{file}: invalid import: {message}', array( |
422
|
3 |
|
'file' => $this->parentConfig, |
423
|
3 |
|
'message' => $importDef, |
424
|
3 |
|
)); |
425
|
|
|
|
426
|
3 |
|
return; |
427
|
|
|
} |
428
|
|
|
|
429
|
12 |
|
$import = $this->fs->appendPath($parentConfLoc, $importDef); |
430
|
|
|
|
431
|
12 |
|
if (!$this->isValidImport($import)) |
432
|
12 |
|
{ |
433
|
4 |
|
return; |
434
|
|
|
} |
435
|
|
|
|
436
|
8 |
|
$this->output->debug('{file}: imports additional file: {import}', array( |
437
|
8 |
|
'file' => $this->parentConfig, |
438
|
8 |
|
'import' => $import, |
439
|
8 |
|
)); |
440
|
|
|
|
441
|
|
|
try |
442
|
|
|
{ |
443
|
8 |
|
$importedConfig = $this->parseConfig($import); |
444
|
7 |
|
$configuration = $this->mergeImports($importedConfig, $configuration); |
445
|
|
|
} |
446
|
8 |
|
catch (FileAccessDeniedException $e) |
447
|
|
|
{ |
448
|
|
|
$this->output->warning('{file}: trying access file outside of project directory: {import}', array( |
449
|
|
|
'file' => $this->parentConfig, |
450
|
|
|
'import' => $import, |
451
|
|
|
)); |
452
|
|
|
} |
453
|
1 |
|
catch (FileNotFoundException $e) |
454
|
|
|
{ |
455
|
1 |
|
$this->output->warning('{file}: could not find file to import: {import}', array( |
456
|
1 |
|
'file' => $this->parentConfig, |
457
|
1 |
|
'import' => $import, |
458
|
1 |
|
)); |
459
|
|
|
} |
460
|
8 |
|
} |
461
|
|
|
|
462
|
|
|
/** |
463
|
|
|
* Check whether a given file path is a valid import. |
464
|
|
|
* |
465
|
|
|
* @param string $filePath |
466
|
|
|
* |
467
|
|
|
* @return bool |
468
|
|
|
*/ |
469
|
12 |
|
private function isValidImport($filePath) |
470
|
|
|
{ |
471
|
12 |
|
$errorMsg = ''; |
472
|
|
|
|
473
|
12 |
|
if ($this->fs->isDir($filePath)) |
474
|
12 |
|
{ |
475
|
1 |
|
$errorMsg = 'a directory'; |
476
|
1 |
|
} |
477
|
11 |
|
elseif ($this->fs->isSymlink($filePath)) |
478
|
|
|
{ |
479
|
1 |
|
$errorMsg = 'a symbolically linked file'; |
480
|
1 |
|
} |
481
|
10 |
|
elseif ($this->fs->absolutePath($this->currentFile) == $this->fs->absolutePath($filePath)) |
482
|
|
|
{ |
483
|
1 |
|
$errorMsg = 'yourself'; |
484
|
1 |
|
} |
485
|
9 |
|
elseif (($ext = $this->fs->getExtension($filePath)) != 'yml' && $ext != 'yaml') |
486
|
|
|
{ |
487
|
1 |
|
$errorMsg = 'a non-YAML configuration'; |
488
|
1 |
|
} |
489
|
|
|
|
490
|
12 |
|
if (!($noErrors = empty($errorMsg))) |
491
|
12 |
|
{ |
492
|
4 |
|
$this->output->error("{file}: you can't import {message}: {import}", array( |
493
|
4 |
|
'file' => $this->parentConfig, |
494
|
4 |
|
'message' => $errorMsg, |
495
|
|
|
'import' => $filePath |
496
|
4 |
|
)); |
497
|
4 |
|
} |
498
|
|
|
|
499
|
12 |
|
return $noErrors; |
500
|
|
|
} |
501
|
|
|
|
502
|
|
|
/** |
503
|
|
|
* Check whether or not a filename has already been imported in a given process. |
504
|
|
|
* |
505
|
|
|
* @param string $filePath |
506
|
|
|
*/ |
507
|
36 |
|
private function isRecursiveImport($filePath) |
508
|
|
|
{ |
509
|
36 |
|
if (in_array($filePath, self::$configImports)) |
510
|
36 |
|
{ |
511
|
1 |
|
throw new RecursiveConfigurationException($filePath, sprintf( |
512
|
1 |
|
'The %s file has already been imported', $filePath |
513
|
1 |
|
)); |
514
|
|
|
} |
515
|
|
|
|
516
|
36 |
|
self::$configImports[] = $filePath; |
517
|
36 |
|
} |
518
|
|
|
|
519
|
|
|
/** |
520
|
|
|
* Merge the given array with existing configuration. |
521
|
|
|
* |
522
|
|
|
* @param array $importedConfig |
523
|
|
|
* @param array $existingConfig |
524
|
|
|
* |
525
|
|
|
* @return array |
526
|
|
|
*/ |
527
|
7 |
|
private function mergeImports(array $importedConfig, array $existingConfig) |
528
|
|
|
{ |
529
|
7 |
|
$arraySplit = ArrayUtilities::associative_array_split(self::IMPORT_KEYWORD, $existingConfig, false); |
530
|
7 |
|
$beforeImport = ArrayUtilities::array_merge_defaults($arraySplit[0], $importedConfig, 'name'); |
531
|
7 |
|
$result = ArrayUtilities::array_merge_defaults($beforeImport, $arraySplit[1], 'name'); |
532
|
|
|
|
533
|
7 |
|
return $result; |
534
|
|
|
} |
535
|
|
|
|
536
|
50 |
|
private function handleDefaultOperations() |
537
|
|
|
{ |
538
|
50 |
|
if (substr($this->getTargetFolder(), 0, 1) != '_') |
539
|
50 |
|
{ |
540
|
|
|
$this->configuration['exclude'][] = $this->getTargetFolder(); |
541
|
|
|
} |
542
|
50 |
|
} |
543
|
|
|
} |
544
|
|
|
|
Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum.