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<?php |
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/** |
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* It's free open-source software released under the MIT License. |
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* |
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* @author Anatoly Nekhay <[email protected]> |
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* @copyright Copyright (c) 2018, Anatoly Nekhay |
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* @license https://github.com/sunrise-php/http-router/blob/master/LICENSE |
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* @link https://github.com/sunrise-php/http-router |
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*/ |
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declare(strict_types=1); |
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namespace Sunrise\Http\Router\Helper; |
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use InvalidArgumentException; |
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use function addcslashes; |
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use function str_replace; |
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/** |
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* @since 3.0.0 |
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*/ |
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final class RouteCompiler |
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{ |
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public const DEFAULT_VARIABLE_PATTERN = '[^/]+'; |
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public const EXPRESSION_DELIMITER = '#'; |
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/** |
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* @param array<string, string> $patterns |
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* |
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* @return non-empty-string |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public static function compileRoute(string $route, array $patterns = []): string |
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{ |
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$variables = RouteParser::parseRoute($route); |
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$search = []; |
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$replace = []; |
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foreach ($variables as $variable) { |
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$search[] = $variable['statement']; |
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$replace[] = '{' . $variable['name'] . '}'; |
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} |
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$route = str_replace($search, $replace, $route); |
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$route = addcslashes($route, '#$*+-.?[\]^|'); |
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$route = str_replace(['(', ')'], ['(?:', ')?'], $route); |
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$search = []; |
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$replace = []; |
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foreach ($variables as $variable) { |
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$pattern = $patterns[$variable['name']] ?? $variable['pattern'] ?? self::DEFAULT_VARIABLE_PATTERN; |
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$search[] = '{' . $variable['name'] . '}'; |
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$replace[] = '(?<' . $variable['name'] . '>' . $pattern . ')'; |
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} |
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$route = str_replace($search, $replace, $route); |
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return '#^' . $route . '$#uD'; |
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} |
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} |
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