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<?php |
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/** |
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* Allow to load a stream resource using generated URI/context. |
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* |
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
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* @copyright Copyright (c) 2009-2017 FluentDOM Contributors |
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*/ |
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namespace FluentDOM\Utility { |
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/** |
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* Allow to load a stream resource using generated URI/context. |
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*/ |
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class ResourceWrapper { |
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/** |
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* @var array |
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*/ |
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private static $__streams = []; |
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/** |
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* @var null|resource |
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*/ |
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private $__stream; |
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/** |
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* @var string |
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*/ |
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private $__id = ''; |
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/** |
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* @var resource |
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*/ |
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public $context; |
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/** |
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* Return an URI to open the stream, the actual stream will be stored in the |
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* class and removed by the destructor. |
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* |
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* @param resource $stream |
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* @param string $protocol |
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* @return string |
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*/ |
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5 |
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public static function createURI($stream, string $protocol = 'fluentdom-resource'): string { |
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5 |
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self::register($protocol); |
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do { |
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$id = uniqid('fd', TRUE); |
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} while(isset(self::$__streams[$id])); |
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self::$__streams[$id] = $stream; |
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return $protocol.'://'.$id; |
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} |
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/** |
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* Return an URI and a context to open the stream, the actual stream will be stored in the |
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* context. |
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* |
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* @param resource $stream |
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* @param string $protocol |
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* @return array |
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*/ |
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public static function createContext($stream, string $protocol = 'fluentdom-resource'): array { |
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self::register($protocol); |
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return [ |
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$protocol.'://context', stream_context_create([$protocol => ['stream' => $stream]]) |
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]; |
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} |
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/** |
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* Register the stream wrapper for the given protocol, if it is not registered yet. |
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* |
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* @param string $protocol |
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*/ |
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private static function register($protocol) { |
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if (!in_array($protocol, stream_get_wrappers(), TRUE)) { |
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1 |
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stream_wrapper_register($protocol, __CLASS__); |
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} |
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} |
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/** |
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* @param string $path |
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* @param int $flags |
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* @return array |
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*/ |
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1 |
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public function url_stat(string $path , int $flags) { |
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1 |
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return []; |
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} |
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/** |
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* @param string $path |
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* @param string $mode |
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* @param int $options |
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* @param string $opened_path |
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* @return bool |
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*/ |
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public function stream_open($path, $mode, $options, &$opened_path): bool { |
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list($protocol, $id) = explode('://', $path); |
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$context = stream_context_get_options($this->context); |
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if ( |
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isset($context[$protocol], $context[$protocol]['stream']) && |
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1 |
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is_resource($context[$protocol]['stream']) |
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) { |
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1 |
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$this->__stream = $context[$protocol]['stream']; |
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1 |
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return TRUE; |
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} |
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5 |
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if (isset(self::$__streams[$id])) { |
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$this->__stream = self::$__streams[$id]; |
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$this->__id = $id; |
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return TRUE; |
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} |
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1 |
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return FALSE; |
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} |
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/** |
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* @param int $count |
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* @return bool|string |
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*/ |
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4 |
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public function stream_read(int $count) { |
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return fread($this->__stream, $count); |
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} |
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120
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/** |
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* @param string $data |
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* @return bool|int |
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*/ |
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1 |
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public function stream_write(string $data) { |
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1 |
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return fwrite($this->__stream, $data); |
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} |
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128
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/** |
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* @return bool |
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*/ |
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4 |
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public function stream_eof(): bool { |
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return feof($this->__stream); |
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} |
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/** |
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* @param int $offset |
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* @param int $whence |
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* @return int |
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*/ |
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1 |
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public function stream_seek(int $offset, int $whence): int { |
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1 |
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return fseek($this->__stream, $offset, $whence); |
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} |
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7 |
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public function __destruct() { |
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7 |
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if (isset($this->__id, self::$__streams[$this->__id])) { |
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4 |
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unset(self::$__streams[$this->__id]); |
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} |
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7 |
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} |
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149
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} |
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150
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} |
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FluentDOM /
FluentDOM
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.