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<?php |
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/* |
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* This file is part of Pomm's Foundation package. |
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* |
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* (c) 2014 - 2017 Grégoire HUBERT <[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 PommProject\Foundation\Converter; |
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use PommProject\Foundation\Session\Session; |
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/** |
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* PgArray |
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* |
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* Converter for arrays. |
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* |
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* @package Foundation |
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* @copyright 2014 - 2017 Grégoire HUBERT |
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* @author Grégoire HUBERT |
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* @license X11 {@link http://opensource.org/licenses/mit-license.php} |
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* @see ArrayTypeConverter |
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*/ |
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class PgArray extends ArrayTypeConverter |
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{ |
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/** |
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* getSubType |
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* |
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* Extract subtype from a formatted string (ie int4[] or _text). |
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* |
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* @param string $type |
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* @return string |
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*/ |
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public static function getSubType($type) |
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{ |
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if (preg_match('/^(.+)\[\]$/', $type, $matches) || preg_match('/^_(.+)$/', $type, $matches)) { |
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return $matches[1]; |
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} |
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return $type; |
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} |
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/** |
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* @see ConverterInterface |
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*/ |
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public function fromPg($data, $type, Session $session) |
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{ |
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if ($data === null || $data === 'NULL') { |
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return null; |
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} |
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$type = static::getSubType($type); |
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if ($data !== "{}") { |
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$converter = $this->getSubtypeConverter($type, $session); |
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return array_map(function ($val) use ($converter, $type, $session) { |
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if ($val !== "NULL") { |
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return preg_match('/\\\\/', $val) |
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? $converter->fromPg(stripslashes($val), $type, $session) |
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: $converter->fromPg($val, $type, $session); |
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} else { |
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return null; |
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} |
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}, str_getcsv(trim($data, "{}"))); |
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} else { |
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return []; |
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} |
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} |
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/** |
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* @see ConverterInterface |
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*/ |
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public function toPg($data, $type, Session $session) |
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{ |
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$type = static::getSubType($type); |
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if ($data === null) { |
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return sprintf("NULL::%s[]", $type); |
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} |
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$converter = $this->getSubtypeConverter($type, $session); |
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$data = $this->checkArray($data); |
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return sprintf('ARRAY[%s]::%s[]', join(',', array_map(function ($val) use ($converter, $type, $session) { |
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return $converter->toPg($val, $type, $session); |
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}, $data)), $type); |
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} |
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/** |
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* @see ConverterInterface |
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*/ |
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public function toPgStandardFormat($data, $type, Session $session) |
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{ |
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if ($data === null) { |
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return null; |
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} |
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$type = static::getSubType($type); |
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$converter = $this->getSubtypeConverter($type, $session); |
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$data = $this->checkArray($data); |
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return sprintf('{%s}', join( |
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',', |
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array_map(function ($val) use ($converter, $type, $session) { |
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if ($val === null) { |
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return 'NULL'; |
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} |
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$val = $converter->toPgStandardFormat($val, $type, $session); |
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if ($val !== '') { |
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if (preg_match('/[,\\"\s]/', $val)) { |
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$val = sprintf('"%s"', addcslashes($val, '"\\')); |
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} |
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} else { |
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$val = '""'; |
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} |
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return $val; |
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}, $data) |
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)); |
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} |
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} |
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pomm-project /
Foundation
