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| <?php | |
| namespace Puyo\File\Iterator; | |
| /** | |
| * ファイルを読み込んで1行単位で返すIterator | |
| * | |
| * php-5.5以降であればGeneratorを使った方がパフォーマンスがよい。 | |
| * 5.5.11以降であればSplFileObjectもバイナリファイルに対応されている。 | |
| * | |
| * @uses >= php-5.3 | |
| * @version 0.1.0 | |
| */ | |
| abstract class FileIterator53 implements \Iterator | |
| { | |
| /** @var resource */ | |
| protected $fp; | |
| /** @var mixed scalar */ | |
| protected $_key; | |
| /** @var mixed */ | |
| protected $buf; | |
| /** | |
| * @param resource $fp | |
| */ | |
| public function __construct($fp) { | |
| if(!is_resource($fp)) { | |
| throw new \InvalidArgumentException(); | |
| } | |
| $this->fp = $fp; | |
| } | |
| /** | |
| * @param string $fullpath | |
| * @param string $mode | |
| * @return static | |
| */ | |
| public static function createByPath($fullpath, $mode='rb') { | |
| $fp = @fopen($fullpath, $mode); | |
| if(!is_resource($fp)) { | |
| throw new \RuntimeException("cannot open stream: $fullpath"); | |
| } | |
| return new static($fp); | |
| } | |
| public function __destruct() { | |
| @fclose($this->fp); | |
| } | |
| public function current() { | |
| return $this->buf; | |
| } | |
| public function key() { | |
| return $this->_key; | |
| } | |
| } |