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<?php |
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/** |
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* This file is part of the League.csv library |
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* |
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* @license http://opensource.org/licenses/MIT |
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* @link https://github.com/thephpleague/csv/ |
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* @version 9.0.0 |
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* @package League.csv |
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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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declare(strict_types=1); |
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namespace League\Csv; |
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use League\Csv\Exception\LengthException; |
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use League\Csv\Exception\OutOfRangeException; |
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use TypeError; |
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/** |
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* A trait to validate csv control characters |
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* |
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* @package League.csv |
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* @since 9.0.0 |
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* @author Ignace Nyamagana Butera <[email protected]> |
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* @internal Use to validate incoming data |
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*/ |
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trait ValidatorTrait |
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{ |
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/** |
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* Filter Csv control character |
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* |
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* @param string $char Csv control character |
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* @param string $type Csv control character type |
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* @param string $caller public API method calling the method |
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* |
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* @throws LengthException If the Csv control character is not one character only. |
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* |
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* @return string |
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*/ |
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protected function filterControl(string $char, string $type, string $caller): string |
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{ |
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if (1 == strlen($char)) { |
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return $char; |
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} |
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throw new LengthException(sprintf('%s() expects %s to be a single character %s given', $caller, $type, $char)); |
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} |
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/** |
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* Filter Header Offset |
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* |
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* @param int|null $value |
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* @param int $min_range |
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* @param string $error_message |
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* |
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* @throws TypError if value is not a type integer or null |
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* @throws OutOfRangeException if value is not in a valid int range |
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*/ |
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protected function filterNullableInteger($value, int $min_range, string $error_message) |
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{ |
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if (null === $value) { |
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return; |
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} |
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if (!is_int($value)) { |
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throw new TypeError(sprintf('Expected argument to be null or a integer %s given', gettype($value))); |
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} |
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if ($value < $min_range) { |
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throw new OutOfRangeException($error_message); |
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} |
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} |
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} |
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