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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Flight Routing. |
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* |
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* PHP version 7.1 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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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 Flight\Routing\Traits; |
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use Flight\Routing\Matchers\ExpressionCollection; |
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use Flight\Routing\Route; |
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/** |
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* @codeCoverageIgnore |
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*/ |
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trait DumperTrait |
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{ |
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/** @var bool */ |
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protected $export = true; |
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protected static function indent(string $code, int $level = 1): string |
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{ |
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return (string) \preg_replace('/^./m', \str_repeat(' ', $level) . '$0', $code); |
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} |
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/** |
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* @internal |
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* |
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* @param mixed $value |
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*/ |
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protected static function export($value): string |
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{ |
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if (null === $value) { |
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return 'null'; |
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} |
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if (!\is_array($value)) { |
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if ($value instanceof Route) { |
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return self::exportRoute($value); |
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} elseif (\is_object($value)) { |
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return \sprintf('unserialize(\'%s\')', \serialize($value)); |
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} elseif (is_string($value) && str_starts_with($value, 'static function ()')) { |
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return $value; |
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} |
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return \str_replace("\n", '\'."\n".\'', \var_export($value, true)); |
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} |
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if (!$value) { |
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return '[]'; |
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} |
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$i = 0; |
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$export = '['; |
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foreach ($value as $k => $v) { |
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if ($i === $k) { |
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++$i; |
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} else { |
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$export .= self::export($k) . ' => '; |
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if (\is_int($k) && $i < $k) { |
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$i = 1 + $k; |
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} |
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} |
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if (\is_string($v) && 0 === \strpos($v, 'unserialize')) { |
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$v = '\\' . $v . ', '; |
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} elseif ($v instanceof Route) { |
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$v .= self::exportRoute($v); |
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} elseif (\is_object($v)) { |
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$v = \sprintf('unserialize(\'%s\'), ', \serialize($v)); |
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} else { |
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$v = self::export($v) . ', '; |
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} |
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$export .= $v; |
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} |
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return \substr_replace($export, ']', -2); |
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} |
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/** |
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* @param Route $route |
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* |
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* @return string |
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*/ |
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protected static function exportRoute(Route $route): string |
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{ |
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$properties = $route->getAll(); |
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$controller = $properties['controller']; |
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$exported = ''; |
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if ($controller instanceof \Closure) { |
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$closureRef = new \ReflectionFunction($controller); |
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if (empty($closureRef->getParameters()) && null === $closureRef->getClosureThis()) { |
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\ob_start(); |
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$closureReturn = $controller(); |
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$closureEcho = \ob_get_clean(); |
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$properties['controller'] = \sprintf( |
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"static function () {\n %s %s;\n }", |
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null !== $closureReturn ? 'return' : 'echo', |
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self::export($closureReturn ?? $closureEcho), |
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); |
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} |
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} elseif (\is_object($controller) || (\is_array($controller) && \is_object($controller[0]))) { |
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$properties['controller'] = \sprintf('unserialize(\'%s\')', \serialize($controller)); |
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} |
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foreach ($properties as $key => $value) { |
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$exported .= \sprintf(' %s => ', self::export($key)); |
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$exported .= self::export($value); |
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$exported .= ",\n"; |
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} |
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return "\Flight\Routing\Route::__set_state([\n{$exported} ])"; |
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} |
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/** |
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* Compiles a regexp tree of subpatterns that matches nested same-prefix routes. |
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* |
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* @param array<string,string> $vars |
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*/ |
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private function compileExpressionCollection(ExpressionCollection $tree, int $prefixLen, array &$vars): string |
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{ |
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$code = ''; |
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$routes = $tree->getRoutes(); |
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foreach ($routes as $route) { |
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if ($route instanceof ExpressionCollection) { |
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$prefix = \substr($route->getPrefix(), $prefixLen); |
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$rx = "|{$prefix}(?"; |
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$regexpCode = $this->compileExpressionCollection($route, $prefixLen + \strlen($prefix), $vars); |
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$code .= $this->export ? "\n ." . self::export($rx) : $rx; |
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$code .= $this->export ? self::indent($regexpCode) : $regexpCode; |
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$code .= $this->export ? "\n .')'" : ')'; |
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continue; |
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} |
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[$name, $regex, $variable] = $route; |
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$rx = \sprintf('|%s(*:%s)', \substr($regex, $prefixLen), $name); |
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$code .= $this->export ? "\n ." . self::export($rx) : $rx; |
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$vars[$name] = $variable; |
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} |
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return $code; |
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} |
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/** |
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* Warm up routes to speed up routes handling. |
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* |
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* @internal |
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*/ |
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private function generateCompiledRoutes(): string |
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{ |
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$code = ''; |
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[$staticRoutes, $dynamicRoutes, $regexList, $collection] = $this->getCompiledRoutes(); |
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$code .= '[ // $staticRoutes' . "\n"; |
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foreach ($staticRoutes as $path => $route) { |
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$code .= \sprintf(' %s => ', self::export($path)); |
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$code .= self::export($route); |
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$code .= ", \n"; |
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} |
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$code .= "],\n"; |
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$code .= '[ // $dynamicRoutes' . "\n"; |
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foreach ($dynamicRoutes as $name => $route) { |
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$code .= \sprintf(' %s => ', self::export($name)); |
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$code .= self::export($route); |
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$code .= ", \n"; |
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} |
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$code .= "],\n"; |
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[$regex, $variables] = $regexList; |
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$regexpCode = " {$regex},\n [\n"; |
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foreach ($variables as $key => $value) { |
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$regexpCode .= \sprintf(' %s => ', self::export($key)); |
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$regexpCode .= self::export($value); |
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$regexpCode .= ",\n"; |
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} |
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$code .= \sprintf("[ // \$regexpList\n%s ],\n],\n", $regexpCode); |
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$code .= '[ // $routeCollection' . "\n"; |
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foreach ($collection as $name => $route) { |
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$code .= \sprintf(' %s => ', self::export($name)); |
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$code .= self::export($route); |
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$code .= ", \n"; |
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} |
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$code .= "],\n"; |
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$generatedCode = self::indent($code); |
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return <<<EOF |
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<?php |
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/** |
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* This file has been auto-generated by the Flight Routing. |
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*/ |
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return [ |
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{$generatedCode}]; |
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EOF; |
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} |
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} |
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divineniiquaye /
flight-routing
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.