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<?php |
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namespace Graze\DataFile\IO; |
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use Graze\DataFile\Format\FormatAwareInterface; |
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use Graze\DataFile\Format\FormatInterface; |
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use Graze\DataFile\Format\Parser\ParserFactory; |
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use Graze\DataFile\Format\Parser\ParserFactoryInterface; |
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use Graze\DataFile\Helper\OptionalLoggerTrait; |
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use Graze\DataFile\Node\FileNodeInterface; |
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use Graze\DataFile\Node\NodeStreamInterface; |
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use GuzzleHttp\Psr7\Stream; |
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use InvalidArgumentException; |
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use Iterator; |
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use Psr\Log\LoggerAwareInterface; |
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class FileReader implements ReaderInterface, LoggerAwareInterface |
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{ |
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use OptionalLoggerTrait; |
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/** @var FileNodeInterface */ |
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private $file; |
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/** @var FormatInterface */ |
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private $format; |
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/** @var StreamReader */ |
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private $reader; |
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/** |
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* FileReader constructor. |
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* |
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* @param FileNodeInterface $file |
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* @param FormatInterface|null $format |
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* @param ParserFactoryInterface|null $parserFactory |
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*/ |
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public function __construct( |
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FileNodeInterface $file, |
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FormatInterface $format = null, |
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ParserFactoryInterface $parserFactory = null |
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) { |
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$this->file = $file; |
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$this->format = $format; |
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if ($this->file instanceof NodeStreamInterface) { |
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$stream = $this->file->getStream('r'); |
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} else { |
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$stream = new Stream($this->file->readStream()); |
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} |
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if (is_null($this->format) |
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&& $file instanceof FormatAwareInterface |
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) { |
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$this->format = $file->getFormat(); |
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} |
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if (is_null($this->format)) { |
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throw new InvalidArgumentException("No format could be determined from \$file or \$format"); |
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} |
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$factory = $parserFactory ?: new ParserFactory(); |
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$parser = $factory->getParser($this->format); |
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$this->reader = new StreamReader($stream, $parser); |
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} |
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/** |
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* Fetch the next row from a result set |
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* |
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* @param callable|null $callable a callable function to be applied to each Iterator item |
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* |
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* @return Iterator |
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*/ |
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public function fetch(callable $callable = null) |
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{ |
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return $this->reader->fetch($callable); |
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} |
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/** |
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* Returns a sequential array of all items |
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* |
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* The callable function will be applied to each Iterator item |
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* |
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* @param callable|null $callable a callable function |
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* |
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* @return array |
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*/ |
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public function fetchAll(callable $callable = null) |
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{ |
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return $this->reader->fetchAll($callable); |
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} |
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} |
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graze /
data-file
