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<?php |
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/* |
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* Copyright (c) Nate Brunette. |
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* Distributed under the MIT License (http://opensource.org/licenses/MIT) |
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*/ |
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declare(strict_types=1); |
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namespace Tebru\Gson\Internal\Naming; |
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use RuntimeException; |
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use Tebru\Gson\PropertyNamingPolicy; |
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use Tebru\Gson\PropertyNamingStrategy; |
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/** |
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* Class DefaultPropertyNamingStrategy |
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* |
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* Converts camelCase property names to snake_case |
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* |
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* @author Nate Brunette <[email protected]> |
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*/ |
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final class DefaultPropertyNamingStrategy implements PropertyNamingStrategy |
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{ |
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/** |
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* Property naming policy |
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* |
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* @var string |
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*/ |
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private $policy; |
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/** |
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* Constructor |
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* |
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* @param string $policy |
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*/ |
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public function __construct(string $policy) |
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{ |
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$this->policy = $policy; |
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} |
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/** |
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* Accepts the PHP class property name and returns the name that should |
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* appear in json |
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* |
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* @param string $propertyName |
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* @return string |
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*/ |
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public function translateName(string $propertyName): string |
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{ |
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switch ($this->policy) { |
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case PropertyNamingPolicy::IDENTITY: |
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return $propertyName; |
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case PropertyNamingPolicy::LOWER_CASE_WITH_DASHES: |
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return strtolower($this->prependUpperCaseWith($propertyName, '-')); |
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case PropertyNamingPolicy::LOWER_CASE_WITH_UNDERSCORES: |
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return strtolower($this->prependUpperCaseWith($propertyName, '_')); |
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case PropertyNamingPolicy::UPPER_CASE_WITH_DASHES: |
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return strtoupper($this->prependUpperCaseWith($propertyName, '-')); |
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case PropertyNamingPolicy::UPPER_CASE_WITH_UNDERSCORES: |
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return strtoupper($this->prependUpperCaseWith($propertyName, '_')); |
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case PropertyNamingPolicy::UPPER_CAMEL_CASE: |
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return ucfirst($propertyName); |
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case PropertyNamingPolicy::UPPER_CAMEL_CASE_WITH_SPACES: |
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return ucfirst($this->prependUpperCaseWith($propertyName, ' ')); |
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} |
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/** @noinspection ExceptionsAnnotatingAndHandlingInspection */ |
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1 |
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throw new RuntimeException('Gson: This property naming strategy is not supported'); |
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} |
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/** |
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* Prepend upper case letters |
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* |
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* @param string $string |
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* @param string $replacement |
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* @return string |
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*/ |
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private function prependUpperCaseWith(string $string, string $replacement): string |
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{ |
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return preg_replace('/(?<!^)([A-Z])/', $replacement.'\\1', $string); |
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} |
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} |
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tebru /
gson-php
