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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the DataImporter package. |
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* |
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* (c) Loïc Sapone <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace IQ2i\DataImporter\Reader; |
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class CsvReader implements ReaderInterface |
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{ |
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/** |
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* @var string |
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*/ |
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final public const CONTEXT_DELIMITER = 'csv_delimiter'; |
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/** |
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* @var string |
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*/ |
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final public const CONTEXT_ENCLOSURE = 'csv_enclosure'; |
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/** |
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* @var string |
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*/ |
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final public const CONTEXT_ESCAPE_CHAR = 'csv_escape_char'; |
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/** |
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* @var string |
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*/ |
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final public const CONTEXT_HEADERS = 'csv_headers'; |
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/** |
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* @var string |
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*/ |
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final public const CONTEXT_NO_HEADERS = 'no_headers'; |
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private readonly \SplFileInfo $file; |
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private readonly \SplFileObject $iterator; |
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private int $count = 0; |
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private int $index = 1; |
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private array $defaultContext = [ |
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self::CONTEXT_DELIMITER => ',', |
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self::CONTEXT_ENCLOSURE => '"', |
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self::CONTEXT_ESCAPE_CHAR => '', |
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self::CONTEXT_HEADERS => [], |
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self::CONTEXT_NO_HEADERS => false, |
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]; |
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public function __construct( |
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string $filePath, |
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private readonly ?string $dto = null, |
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array $defaultContext = [], |
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) { |
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$this->file = new \SplFileInfo($filePath); |
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if (!$this->file->isReadable()) { |
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throw new \InvalidArgumentException('The file '.$this->file->getFilename().' is not readable.'); |
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} |
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$this->defaultContext = \array_merge($this->defaultContext, $defaultContext); |
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$this->iterator = $this->file->openFile(); |
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$this->iterator->setFlags( |
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\SplFileObject::READ_CSV | |
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\SplFileObject::SKIP_EMPTY | |
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\SplFileObject::READ_AHEAD | |
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\SplFileObject::DROP_NEW_LINE |
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); |
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$this->iterator->setCsvControl( |
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$this->defaultContext[self::CONTEXT_DELIMITER], |
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$this->defaultContext[self::CONTEXT_ENCLOSURE], |
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$this->defaultContext[self::CONTEXT_ESCAPE_CHAR] |
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); |
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if (!$this->defaultContext[self::CONTEXT_NO_HEADERS]) { |
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$this->rewind(); |
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$this->defaultContext[self::CONTEXT_HEADERS] = $this->iterator->current(); |
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} |
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$this->rewind(); |
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while ($this->valid()) { |
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++$this->count; |
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$this->next(); |
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} |
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$this->rewind(); |
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} |
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1 |
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public function getDto(): ?string |
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{ |
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return $this->dto; |
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} |
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public function isDenormalizable(): bool |
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{ |
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return null !== $this->dto && !empty($this->defaultContext[self::CONTEXT_HEADERS]); |
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} |
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public function getFile(): \SplFileInfo |
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{ |
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return $this->file; |
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} |
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public function index(): mixed |
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{ |
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return $this->index; |
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} |
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public function current(): array |
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{ |
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if (!$this->valid()) { |
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return []; |
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} |
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if (empty($this->defaultContext[self::CONTEXT_HEADERS])) { |
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return $this->iterator->current(); |
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} |
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if ((\is_countable($this->defaultContext[self::CONTEXT_HEADERS]) ? \count($this->defaultContext[self::CONTEXT_HEADERS]) : 0) === (\is_countable($this->iterator->current()) ? \count($this->iterator->current()) : 0)) { |
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return \array_combine($this->defaultContext[self::CONTEXT_HEADERS], $this->iterator->current()); |
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} |
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return []; |
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} |
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public function next(): void |
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{ |
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$this->iterator->next(); |
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++$this->index; |
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} |
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public function key(): mixed |
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{ |
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return $this->iterator->key(); |
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} |
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public function valid(): bool |
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{ |
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return $this->iterator->valid(); |
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} |
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public function rewind(): void |
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{ |
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$this->iterator->rewind(); |
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if (!empty($this->defaultContext[self::CONTEXT_HEADERS])) { |
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$this->next(); |
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} |
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$this->index = 1; |
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} |
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public function count(): int |
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{ |
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return $this->count; |
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} |
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} |
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IQ2i /
data-importer
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