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<?php |
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namespace uuf6429\ElderBrother\Change; |
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class FileList |
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{ |
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/** @var string */ |
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protected $cacheKey; |
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/** @var callable */ |
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protected $source; |
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/** @var array */ |
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protected static $cache; |
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/** |
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* @param string $cacheKey |
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* @param callable $source |
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*/ |
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public function __construct($cacheKey, callable $source) |
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{ |
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$this->cacheKey = $cacheKey; |
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$this->source = $source; |
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} |
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/** |
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* Filter by file path matching a regular expression. |
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* |
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* @param string $regex |
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* |
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* @return static |
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*/ |
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public function name($regex) |
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{ |
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$source = $this->source; |
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return new self( |
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$this->cacheKey . '->' . __FUNCTION__ . '(' . $regex . ')', |
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function () use ($source, $regex) { |
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return array_filter( |
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$source(), |
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function ($file) use ($regex) { |
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return preg_match($regex, $file); |
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} |
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); |
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} |
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); |
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} |
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/** |
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* Filter by file path starting with a string. |
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* |
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* @param string $string |
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* |
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* @return static |
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*/ |
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public function startingWith($string) |
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{ |
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$source = $this->source; |
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return new self( |
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$this->cacheKey . '->' . __FUNCTION__ . '(' . $string . ')', |
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function () use ($source, $string) { |
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return array_filter( |
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$source(), |
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function ($file) use ($string) { |
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$fileLen = strlen($file); |
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$strnLen = strlen($string); |
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return $strnLen < $fileLen |
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&& substr_compare($file, $string, 0, $strnLen) === 0; |
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} |
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); |
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} |
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); |
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} |
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/** |
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* Filter by file path ending with a string. |
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* |
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* @param string $string |
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* |
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* @return static |
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*/ |
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public function endingWith($string) |
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{ |
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$source = $this->source; |
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return new self( |
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$this->cacheKey . '->' . __FUNCTION__ . '(' . $string . ')', |
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function () use ($source, $string) { |
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return array_filter( |
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$source(), |
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function ($file) use ($string) { |
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$fileLen = strlen($file); |
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$strnLen = strlen($string); |
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return $fileLen > $strnLen |
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&& substr_compare($file, $string, -$strnLen) === 0; |
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} |
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); |
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} |
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); |
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} |
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/** |
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* Returns array of file paths. |
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* |
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* @return string[] |
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*/ |
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public function toArray() |
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{ |
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if (!isset(self::$cache[$this->cacheKey])) { |
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$source = $this->source; |
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self::$cache[$this->cacheKey] = $source(); |
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} |
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return self::$cache[$this->cacheKey]; |
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} |
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} |
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uuf6429 /
elder-brother
