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vendor/symfony/routing/Matcher/Dumper/CompiledUrlMatcherTrait.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Routing\Matcher\Dumper;
+
+use Symfony\Component\Routing\Exception\MethodNotAllowedException;
+use Symfony\Component\Routing\Exception\NoConfigurationException;
+use Symfony\Component\Routing\Exception\ResourceNotFoundException;
+use Symfony\Component\Routing\Matcher\RedirectableUrlMatcherInterface;
+use Symfony\Component\Routing\RequestContext;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ *
+ * @property RequestContext $context
+ */
+trait CompiledUrlMatcherTrait
+{
+    private bool $matchHost = false;
+    private array $staticRoutes = [];
+    private array $regexpList = [];
+    private array $dynamicRoutes = [];
+    private ?\Closure $checkCondition;
+
+    public function match(string $pathinfo): array
+    {
+        $allow = $allowSchemes = [];
+        if ($ret = $this->doMatch($pathinfo, $allow, $allowSchemes)) {
+            return $ret;
+        }
+        if ($allow) {
+            throw new MethodNotAllowedException(array_keys($allow));
+        }
+        if (!$this instanceof RedirectableUrlMatcherInterface) {
+            throw new ResourceNotFoundException(sprintf('No routes found for "%s".', $pathinfo));
+        }
+        if (!\in_array($this->context->getMethod(), ['HEAD', 'GET'], true)) {
+            // no-op
+        } elseif ($allowSchemes) {
+            redirect_scheme:
+            $scheme = $this->context->getScheme();
+            $this->context->setScheme(key($allowSchemes));
+            try {
+                if ($ret = $this->doMatch($pathinfo)) {
+                    return $this->redirect($pathinfo, $ret['_route'], $this->context->getScheme()) + $ret;
+                }
+            } finally {
+                $this->context->setScheme($scheme);
+            }
+        } elseif ('/' !== $trimmedPathinfo = rtrim($pathinfo, '/') ?: '/') {
+            $pathinfo = $trimmedPathinfo === $pathinfo ? $pathinfo.'/' : $trimmedPathinfo;
+            if ($ret = $this->doMatch($pathinfo, $allow, $allowSchemes)) {
+                return $this->redirect($pathinfo, $ret['_route']) + $ret;
+            }
+            if ($allowSchemes) {
+                goto redirect_scheme;
+            }
+        }
+
+        throw new ResourceNotFoundException(sprintf('No routes found for "%s".', $pathinfo));
+    }
+
+    private function doMatch(string $pathinfo, array &$allow = [], array &$allowSchemes = []): array
+    {
+        $allow = $allowSchemes = [];
+        $pathinfo = rawurldecode($pathinfo) ?: '/';
+        $trimmedPathinfo = rtrim($pathinfo, '/') ?: '/';
+        $context = $this->context;
+        $requestMethod = $canonicalMethod = $context->getMethod();
+
+        if ($this->matchHost) {
+            $host = strtolower($context->getHost());
+        }
+
+        if ('HEAD' === $requestMethod) {
+            $canonicalMethod = 'GET';
+        }
+        $supportsRedirections = 'GET' === $canonicalMethod && $this instanceof RedirectableUrlMatcherInterface;
+
+        foreach ($this->staticRoutes[$trimmedPathinfo] ?? [] as [$ret, $requiredHost, $requiredMethods, $requiredSchemes, $hasTrailingSlash, , $condition]) {
+            if ($requiredHost) {
+                if ('{' !== $requiredHost[0] ? $requiredHost !== $host : !preg_match($requiredHost, $host, $hostMatches)) {
+                    continue;
+                }
+                if ('{' === $requiredHost[0] && $hostMatches) {
+                    $hostMatches['_route'] = $ret['_route'];
+                    $ret = $this->mergeDefaults($hostMatches, $ret);
+                }
+            }
+
+            if ($condition && !($this->checkCondition)($condition, $context, 0 < $condition ? $request ??= $this->request ?: $this->createRequest($pathinfo) : null, $ret)) {
+                continue;
+            }
+
+            if ('/' !== $pathinfo && $hasTrailingSlash === ($trimmedPathinfo === $pathinfo)) {
+                if ($supportsRedirections && (!$requiredMethods || isset($requiredMethods['GET']))) {
+                    return $allow = $allowSchemes = [];
+                }
+                continue;
+            }
+
+            $hasRequiredScheme = !$requiredSchemes || isset($requiredSchemes[$context->getScheme()]);
+            if ($hasRequiredScheme && $requiredMethods && !isset($requiredMethods[$canonicalMethod]) && !isset($requiredMethods[$requestMethod])) {
+                $allow += $requiredMethods;
+                continue;
+            }
+
+            if (!$hasRequiredScheme) {
+                $allowSchemes += $requiredSchemes;
+                continue;
+            }
+
+            return $ret;
+        }
+
+        $matchedPathinfo = $this->matchHost ? $host.'.'.$pathinfo : $pathinfo;
+
+        foreach ($this->regexpList as $offset => $regex) {
+            while (preg_match($regex, $matchedPathinfo, $matches)) {
+                foreach ($this->dynamicRoutes[$m = (int) $matches['MARK']] as [$ret, $vars, $requiredMethods, $requiredSchemes, $hasTrailingSlash, $hasTrailingVar, $condition]) {
+                    if (0 === $condition) { // marks the last route in the regexp
+                        continue 3;
+                    }
+
+                    $hasTrailingVar = $trimmedPathinfo !== $pathinfo && $hasTrailingVar;
+
+                    if ($hasTrailingVar && ($hasTrailingSlash || (null === $n = $matches[\count($vars)] ?? null) || '/' !== ($n[-1] ?? '/')) && preg_match($regex, $this->matchHost ? $host.'.'.$trimmedPathinfo : $trimmedPathinfo, $n) && $m === (int) $n['MARK']) {
+                        if ($hasTrailingSlash) {
+                            $matches = $n;
+                        } else {
+                            $hasTrailingVar = false;
+                        }
+                    }
+
+                    foreach ($vars as $i => $v) {
+                        if (isset($matches[1 + $i])) {
+                            $ret[$v] = $matches[1 + $i];
+                        }
+                    }
+
+                    if ($condition && !($this->checkCondition)($condition, $context, 0 < $condition ? $request ??= $this->request ?: $this->createRequest($pathinfo) : null, $ret)) {
+                        continue;
+                    }
+
+                    if ('/' !== $pathinfo && !$hasTrailingVar && $hasTrailingSlash === ($trimmedPathinfo === $pathinfo)) {
+                        if ($supportsRedirections && (!$requiredMethods || isset($requiredMethods['GET']))) {
+                            return $allow = $allowSchemes = [];
+                        }
+                        continue;
+                    }
+
+                    if ($requiredSchemes && !isset($requiredSchemes[$context->getScheme()])) {
+                        $allowSchemes += $requiredSchemes;
+                        continue;
+                    }
+
+                    if ($requiredMethods && !isset($requiredMethods[$canonicalMethod]) && !isset($requiredMethods[$requestMethod])) {
+                        $allow += $requiredMethods;
+                        continue;
+                    }
+
+                    return $ret;
+                }
+
+                $regex = substr_replace($regex, 'F', $m - $offset, 1 + \strlen($m));
+                $offset += \strlen($m);
+            }
+        }
+
+        if ('/' === $pathinfo && !$allow && !$allowSchemes) {
+            throw new NoConfigurationException();
+        }
+
+        return [];
+    }
+}