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<?php declare(strict_types=1); |
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/** |
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* This file is part of the Csv-Machine package. |
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* |
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* (c) Dan McAdams <[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 RoadBunch\Csv; |
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use RoadBunch\Csv\Exception\InvalidInputArrayException; |
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/** |
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* Class Writer |
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* |
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* @author Dan McAdams |
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* @package RoadBunch\Csv |
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*/ |
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class Writer extends Csv implements WriterInterface |
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{ |
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/** @var array */ |
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protected $header; |
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/** @var array */ |
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protected $rows = []; |
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/** |
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* @param array $header |
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*/ |
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public function setHeader(array $header) |
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{ |
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$this->header = $header; |
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array_unshift($this->rows, $header); |
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} |
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/** |
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* @param array $row |
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* @return WriterInterface |
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*/ |
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public function addRow(array $row): WriterInterface |
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{ |
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$this->rows[] = $row; |
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return $this; |
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} |
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/** |
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* @param array $rows |
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* @throws InvalidInputArrayException |
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*/ |
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public function addRows(array $rows) |
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{ |
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foreach ($rows as $row) { |
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if (!is_array($row)) { |
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throw new InvalidInputArrayException('Element must be an array'); |
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} |
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$this->rows[] = $row; |
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} |
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} |
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/** |
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* Write the CSV to the stream |
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* |
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* @param string $filename |
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* @throws \Exception |
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*/ |
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public function write(string $filename) |
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{ |
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$handle = $this->openStream($filename); |
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foreach ($this->rows as $row) { |
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fputcsv($handle, $row, $this->delimiter, $this->enclosure, $this->escape); |
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if (is_file($filename)) { |
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$this->updateNewLine($handle); |
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} |
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} |
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$this->closeStream($handle); |
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} |
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/** |
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* @param string $filename |
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* @return bool|resource |
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* @throws \Exception |
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*/ |
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private function openStream(string $filename) |
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{ |
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if ($handle = fopen($filename, 'w+')) { |
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return $handle; |
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} |
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throw new \Exception(sprintf('Cannot open steam: %s', $filename)); |
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} |
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/** |
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* @param $handle |
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*/ |
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private function closeStream($handle) |
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{ |
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fclose($handle); |
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} |
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private function updateNewLine($handle) |
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{ |
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if ((Newline::NEWLINE_LF !== $this->newline) && (0 === fseek($handle, -1, SEEK_CUR))) { |
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fwrite($handle, $this->newline); |
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} |
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} |
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} |
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The-Road-Bunch /
csv-machine
