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<?php |
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namespace Softius\ResourcesResolver; |
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class FilenameResolver implements ResolvableInterface |
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{ |
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const DEFAULT_DIRECTORY_SEPARATOR = DIRECTORY_SEPARATOR; |
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/** |
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* @var bool |
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*/ |
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private $directory_separator; |
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/** |
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* @var array |
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*/ |
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private $dirs; |
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/** |
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* @var bool |
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*/ |
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private $use_include_path; |
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/** |
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* @var string |
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*/ |
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private $extension; |
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/** |
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* FilePathResolver constructor. |
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* |
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* @param null $directories |
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* @param null $directory_separator |
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*/ |
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public function __construct($directories = null, $directory_separator = null) |
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{ |
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$this->directory_separator = ($directory_separator === null) ? self::DEFAULT_DIRECTORY_SEPARATOR : $directory_separator; |
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$this->dirs = []; |
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if (is_string($directories)) { |
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$this->addDirectory($directories); |
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} elseif (is_array($directories)) { |
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$this->addDirectories($directories); |
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} |
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$this->useIncludePath(false); |
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} |
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/** |
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* @param array $directories |
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*/ |
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public function addDirectories($directories) |
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{ |
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$this->dirs = array_merge($this->dirs, $directories); |
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} |
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/** |
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* @param string $directory |
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*/ |
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public function addDirectory($directory) |
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{ |
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array_push($this->dirs, $directory); |
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} |
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/** |
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* @param bool $merge |
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* |
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* @return array |
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*/ |
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public function getDirectories($merge = true) |
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{ |
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$dirs = $this->dirs; |
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if ($merge && $this->use_include_path) { |
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$dirs = array_merge($dirs, explode(PATH_SEPARATOR, get_include_path())); |
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} |
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return $dirs; |
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} |
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/** |
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* @param bool $use |
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*/ |
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public function useIncludePath($use) |
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{ |
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$this->use_include_path = $use; |
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} |
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/** |
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* @param $extension |
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*/ |
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public function setExtension($extension) |
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{ |
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$this->extension = $extension; |
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} |
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/** |
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* @param $filename |
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* |
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* @return mixed|string |
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*/ |
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protected function normalizeFilename($filename) |
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{ |
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$normalized_filename = $filename; |
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if ($this->directory_separator !== self::DEFAULT_DIRECTORY_SEPARATOR) { |
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$dir_name = pathinfo($normalized_filename, PATHINFO_DIRNAME); |
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$normalized_filename = str_replace($dir_name, str_replace($this->directory_separator, self::DEFAULT_DIRECTORY_SEPARATOR, $dir_name), $normalized_filename); |
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} |
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if (pathinfo($normalized_filename, PATHINFO_EXTENSION) == '' && !empty($this->extension)) { |
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$normalized_filename = $normalized_filename.'.'.$this->extension; |
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} |
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return $normalized_filename; |
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} |
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/** |
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* @param string $in |
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* |
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* @return null|string |
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* |
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* @throws \Exception |
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*/ |
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public function resolve($in) |
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{ |
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$filename = $in; |
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$filename = $this->normalizeFilename($filename); |
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foreach ($this->getDirectories() as $dir) { |
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$path = $dir.DIRECTORY_SEPARATOR.$filename; |
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if (file_exists($path)) { |
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return realpath($path); |
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} |
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} |
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throw new \Exception(sprintf('Could not resolve %s to a filename', $in)); |
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} |
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} |
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softius /
resources-resolver
