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<?php
declare(strict_types=1);
namespace OpenSpout\Reader\CSV;
use OpenSpout\Common\Exception\IOException;
use OpenSpout\Common\Helper\EncodingHelper;
use OpenSpout\Reader\AbstractReader;
/**
* @extends AbstractReader<SheetIterator>
*/
final class Reader extends AbstractReader
{
/** @var resource Pointer to the file to be written */
private $filePointer;
/** @var SheetIterator To iterator over the CSV unique "sheet" */
private SheetIterator $sheetIterator;
private readonly Options $options;
private readonly EncodingHelper $encodingHelper;
public function __construct(
?Options $options = null,
?EncodingHelper $encodingHelper = null
) {
$this->options = $options ?? new Options();
$this->encodingHelper = $encodingHelper ?? EncodingHelper::factory();
}
public function getSheetIterator(): SheetIterator
{
$this->ensureStreamOpened();
return $this->sheetIterator;
}
/**
* Returns whether stream wrappers are supported.
*/
protected function doesSupportStreamWrapper(): bool
{
return true;
}
/**
* Opens the file at the given path to make it ready to be read.
* If setEncoding() was not called, it assumes that the file is encoded in UTF-8.
*
* @param string $filePath Path of the CSV file to be read
*
* @throws IOException
*/
protected function openReader(string $filePath): void
{
$resource = fopen($filePath, 'r');
\assert(false !== $resource);
$this->filePointer = $resource;
$this->sheetIterator = new SheetIterator(
new Sheet(
new RowIterator(
$this->filePointer,
$this->options,
$this->encodingHelper
)
)
);
}
/**
* Closes the reader. To be used after reading the file.
*/
protected function closeReader(): void
{
fclose($this->filePointer);
}
}
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