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<?php |
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namespace kalanis\kw_mapper\Storage\Shared\FormatFiles; |
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use kalanis\kw_mapper\Interfaces\IFileFormat; |
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/** |
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* Class Csv |
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* @package kalanis\kw_mapper\Storage\Shared\FormatFiles |
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* Store it in CSV table |
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*/ |
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class Csv implements IFileFormat |
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{ |
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use TNl; |
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protected string $delimitLines = PHP_EOL; |
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public function setDelimiters(string $lines = PHP_EOL): self |
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{ |
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$this->delimitLines = $lines; |
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return $this; |
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} |
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public function unpack(string $content): array |
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{ |
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$lines = str_getcsv($content, $this->delimitLines); //parse the rows |
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$records = []; |
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foreach ($lines as &$line) { |
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if (empty($line)) { |
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continue; |
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} |
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$records[] = array_map([$this, 'unescapeNl'], str_getcsv($line)); |
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} |
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return $records; |
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} |
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public function pack(array $records): string |
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{ |
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$lines = []; |
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foreach ($records as &$record) { |
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$record = (array) $record; |
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ksort($record); |
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$record[] = ''; // separator on end |
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$lines[] = $this->str_putcsv(array_map([$this, 'escapeNl'], $record)); |
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} |
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return implode($this->delimitLines, $lines); |
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} |
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/** |
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* @param array<string|int, string|int|float|array<string|int, string|int>> $array |
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* @param string $delimiter |
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* @param string $enclosure |
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* @param string $terminator |
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* @return string |
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* @link https://www.php.net/manual/en/function.str-getcsv.php#88353 |
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* @codeCoverageIgnore better try it live |
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*/ |
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protected function str_putcsv($array, $delimiter = ',', $enclosure = '"', $terminator = "\n") { |
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# First convert associative array to numeric indexed array |
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$workArray = []; |
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foreach ($array as $key => $value) { |
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$workArray[] = $value; |
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} |
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$returnString = ''; # Initialize return string |
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$arraySize = count($workArray); # Get size of array |
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for ($i=0; $i<$arraySize; $i++) { |
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# Nested array, process nest item |
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if (is_array($workArray[$i])) { |
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$returnString .= $this->str_putcsv($workArray[$i], $delimiter, $enclosure, $terminator); |
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} else { |
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switch (gettype($workArray[$i])) { |
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# Manually set some strings |
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case "NULL": $_spFormat = ''; break; |
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case "boolean": $_spFormat = (true == $workArray[$i]) ? 'true': 'false'; break; |
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# Make sure sprintf has a good datatype to work with |
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case "integer": $_spFormat = '%i'; break; |
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case "double": $_spFormat = '%0.2f'; break; |
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case "string": $_spFormat = '%s'; break; |
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# Unknown or invalid items for a csv - note: the datatype of array is already handled above, assuming the data is nested |
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case "object": |
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case "resource": |
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default: $_spFormat = ''; break; |
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} |
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$returnString .= sprintf('%2$s'.$_spFormat.'%2$s', $workArray[$i], $enclosure); |
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$returnString .= ($i < ($arraySize-1)) ? $delimiter : $terminator; |
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} |
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} |
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# Done the workload, return the output information |
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return $returnString; |
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} |
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} |
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alex-kalanis /
kw_mapper
