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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 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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1 |
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return $base; |
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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 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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/** |
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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->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 === $configFile) |
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{ |
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return array(); |
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} |
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36 |
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$this->currentFile = $configFile; |
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try |
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{ |
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$this->isRecursiveImport($configFile); |
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36 |
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$parsedConfig = self::readFile($configFile); |
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36 |
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$this->handleImports($parsedConfig); |
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36 |
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unset($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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2 |
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} |
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catch (RecursiveConfigurationException $e) |
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1 |
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{ |
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289
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1 |
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$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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1 |
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'import' => $e->getRecursiveImport(), |
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)); |
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} |
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2 |
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295
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return array(); |
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296
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} |
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297
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298
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/** |
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299
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* Merge the default configuration with the parsed configuration. |
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300
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50 |
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*/ |
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301
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private function mergeDefaultConfiguration() |
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302
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{ |
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303
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50 |
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$defaultConfig = array( |
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'baseurl' => '', |
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305
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'target' => '_site', |
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50 |
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'twig' => array( |
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50 |
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'autoescape' => false, |
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308
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), |
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50 |
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'include' => array( |
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310
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50 |
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'.htaccess', |
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311
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), |
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312
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50 |
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'exclude' => array( |
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313
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50 |
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'node_modules/', |
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314
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50 |
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'stakx-theme.yml', |
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315
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50 |
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'/tmp___$/', |
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316
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self::DEFAULT_NAME, |
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317
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50 |
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), |
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318
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50 |
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'templates' => array( |
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319
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50 |
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'redirect' => false, |
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320
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), |
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321
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50 |
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); |
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322
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50 |
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323
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$this->configuration = ArrayUtilities::array_merge_defaults($defaultConfig, $this->configuration, 'name'); |
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324
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} |
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325
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326
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/** |
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327
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50 |
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* Warn about deprecated keywords in the configuration file. |
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328
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*/ |
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329
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private function handleDeprecations() |
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330
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50 |
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{ |
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331
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// @TODO 1.0.0 handle 'base' deprecation in _config.yml |
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332
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50 |
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$base = $this->returnConfigOption('base'); |
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333
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50 |
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334
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2 |
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if (!is_null($base)) |
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335
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2 |
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{ |
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336
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50 |
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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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337
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} |
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338
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} |
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339
|
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|
340
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/** |
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341
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* Recursively resolve imports for a given array. |
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342
|
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* |
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343
|
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* This modifies the array in place. |
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344
|
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* |
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345
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36 |
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* @param array $configuration |
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346
|
|
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*/ |
|
347
|
36 |
|
private function handleImports(array &$configuration) |
|
348
|
36 |
|
{ |
|
349
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36 |
|
if (!array_key_exists(self::IMPORT_KEYWORD, $configuration)) |
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350
|
36 |
|
{ |
|
351
|
36 |
|
$this->output->debug('{file}: does not import any other files', array( |
|
352
|
|
|
'file' => $this->parentConfig, |
|
353
|
36 |
|
)); |
|
354
|
|
|
|
|
355
|
|
|
return; |
|
356
|
19 |
|
} |
|
357
|
19 |
|
|
|
358
|
4 |
|
if (!is_array($imports = $configuration[self::IMPORT_KEYWORD])) |
|
359
|
|
|
{ |
|
360
|
4 |
|
$this->output->error('{file}: the reserved "import" keyword can only be an array'); |
|
361
|
|
|
|
|
362
|
|
|
return; |
|
363
|
15 |
|
} |
|
364
|
|
|
|
|
365
|
15 |
|
$parentConfigLocation = $this->fs->getFolderPath($this->parentConfig); |
|
366
|
|
|
|
|
367
|
15 |
|
foreach ($imports as $import) |
|
368
|
15 |
|
{ |
|
369
|
15 |
|
$this->handleImport($import, $parentConfigLocation, $configuration); |
|
370
|
|
|
} |
|
371
|
|
|
} |
|
372
|
|
|
|
|
373
|
|
|
/** |
|
374
|
|
|
* Resolve a single import definition. |
|
375
|
|
|
* |
|
376
|
|
|
* @param string $importDef The path for a given import; this will be treated as a relative path to the parent |
|
377
|
|
|
* configuration |
|
378
|
|
|
* @param string $parentConfLoc The path to the parent configuration |
|
379
|
15 |
|
* @param array $configuration The array representation of the current configuration; this will be modified in place |
|
380
|
|
|
*/ |
|
381
|
15 |
|
private function handleImport($importDef, $parentConfLoc, array &$configuration) |
|
382
|
15 |
|
{ |
|
383
|
3 |
|
if (!is_string($importDef)) |
|
384
|
3 |
|
{ |
|
385
|
3 |
|
$this->output->error('{file}: invalid import: {message}', array( |
|
386
|
3 |
|
'file' => $this->parentConfig, |
|
387
|
|
|
'message' => $importDef, |
|
388
|
3 |
|
)); |
|
389
|
|
|
|
|
390
|
|
|
return; |
|
391
|
12 |
|
} |
|
392
|
|
|
|
|
393
|
12 |
|
$import = $this->fs->appendPath($parentConfLoc, $importDef); |
|
394
|
12 |
|
|
|
395
|
4 |
|
if (!$this->isValidImport($import)) |
|
396
|
|
|
{ |
|
397
|
|
|
return; |
|
398
|
8 |
|
} |
|
399
|
8 |
|
|
|
400
|
8 |
|
$this->output->debug('{file}: imports additional file: {import}', array( |
|
401
|
8 |
|
'file' => $this->parentConfig, |
|
402
|
|
|
'import' => $import, |
|
403
|
|
|
)); |
|
404
|
|
|
|
|
405
|
8 |
|
try |
|
406
|
7 |
|
{ |
|
407
|
|
|
$importedConfig = $this->parseConfig($import); |
|
408
|
8 |
|
$configuration = $this->mergeImports($importedConfig, $configuration); |
|
409
|
|
|
} |
|
410
|
|
|
catch (FileAccessDeniedException $e) |
|
411
|
|
|
{ |
|
412
|
|
|
$this->output->warning('{file}: trying access file outside of project directory: {import}', array( |
|
413
|
|
|
'file' => $this->parentConfig, |
|
414
|
|
|
'import' => $import, |
|
415
|
1 |
|
)); |
|
416
|
|
|
} |
|
417
|
1 |
|
catch (FileNotFoundException $e) |
|
418
|
1 |
|
{ |
|
419
|
1 |
|
$this->output->warning('{file}: could not find file to import: {import}', array( |
|
420
|
1 |
|
'file' => $this->parentConfig, |
|
421
|
|
|
'import' => $import, |
|
422
|
8 |
|
)); |
|
423
|
|
|
} |
|
424
|
|
|
} |
|
425
|
|
|
|
|
426
|
|
|
/** |
|
427
|
|
|
* Check whether a given file path is a valid import. |
|
428
|
|
|
* |
|
429
|
|
|
* @param string $filePath |
|
430
|
|
|
* |
|
431
|
12 |
|
* @return bool |
|
432
|
|
|
*/ |
|
433
|
12 |
|
private function isValidImport($filePath) |
|
434
|
|
|
{ |
|
435
|
12 |
|
$errorMsg = ''; |
|
436
|
12 |
|
|
|
437
|
1 |
|
if ($this->fs->isDir($filePath)) |
|
438
|
1 |
|
{ |
|
439
|
11 |
|
$errorMsg = 'a directory'; |
|
440
|
|
|
} |
|
441
|
1 |
|
elseif ($this->fs->isSymlink($filePath)) |
|
442
|
1 |
|
{ |
|
443
|
10 |
|
$errorMsg = 'a symbolically linked file'; |
|
444
|
|
|
} |
|
445
|
1 |
|
elseif ($this->fs->absolutePath($this->currentFile) == $this->fs->absolutePath($filePath)) |
|
446
|
1 |
|
{ |
|
447
|
9 |
|
$errorMsg = 'yourself'; |
|
448
|
|
|
} |
|
449
|
1 |
|
elseif (($ext = $this->fs->getExtension($filePath)) != 'yml' && $ext != 'yaml') |
|
450
|
1 |
|
{ |
|
451
|
|
|
$errorMsg = 'a non-YAML configuration'; |
|
452
|
12 |
|
} |
|
453
|
12 |
|
|
|
454
|
4 |
|
if (!($noErrors = empty($errorMsg))) |
|
455
|
4 |
|
{ |
|
456
|
4 |
|
$this->output->error("{file}: you can't import {message}: {import}", array( |
|
457
|
|
|
'file' => $this->parentConfig, |
|
458
|
4 |
|
'message' => $errorMsg, |
|
459
|
4 |
|
'import' => $filePath |
|
460
|
|
|
)); |
|
461
|
12 |
|
} |
|
462
|
|
|
|
|
463
|
|
|
return $noErrors; |
|
464
|
|
|
} |
|
465
|
|
|
|
|
466
|
|
|
/** |
|
467
|
|
|
* Check whether or not a filename has already been imported in a given process. |
|
468
|
|
|
* |
|
469
|
36 |
|
* @param string $filePath |
|
470
|
|
|
*/ |
|
471
|
36 |
|
private function isRecursiveImport($filePath) |
|
472
|
36 |
|
{ |
|
473
|
1 |
|
if (in_array($filePath, self::$configImports)) |
|
474
|
1 |
|
{ |
|
475
|
1 |
|
throw new RecursiveConfigurationException($filePath, sprintf( |
|
476
|
|
|
'The %s file has already been imported', $filePath |
|
477
|
|
|
)); |
|
478
|
36 |
|
} |
|
479
|
36 |
|
|
|
480
|
|
|
self::$configImports[] = $filePath; |
|
481
|
|
|
} |
|
482
|
|
|
|
|
483
|
|
|
/** |
|
484
|
|
|
* Merge the given array with existing configuration. |
|
485
|
|
|
* |
|
486
|
|
|
* @param array $importedConfig |
|
487
|
|
|
* @param array $existingConfig |
|
488
|
|
|
* |
|
489
|
7 |
|
* @return array |
|
490
|
|
|
*/ |
|
491
|
7 |
|
private function mergeImports(array $importedConfig, array $existingConfig) |
|
492
|
7 |
|
{ |
|
493
|
7 |
|
$arraySplit = ArrayUtilities::associative_array_split(self::IMPORT_KEYWORD, $existingConfig, false); |
|
494
|
|
|
$beforeImport = ArrayUtilities::array_merge_defaults($arraySplit[0], $importedConfig, 'name'); |
|
495
|
7 |
|
$result = ArrayUtilities::array_merge_defaults($beforeImport, $arraySplit[1], 'name'); |
|
496
|
|
|
|
|
497
|
|
|
return $result; |
|
498
|
|
|
} |
|
499
|
|
|
} |
|
500
|
|
|
|
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.