Symfony\Component\Routing\Matcher\Dumper\PhpMatcherDumper::compileRoute PHP 메소드

    private function compileRoute(Route $route, $name, $supportsRedirections, $parentPrefix = null)
    {
        $code = array();
        $compiledRoute = $route->compile();
        $conditions = array();
        $hasTrailingSlash = false;
        $matches = false;
        if (!count($compiledRoute->getVariables()) && false !== preg_match('#^(.)\^(?P<url>.*?)\$\1#', str_replace(array("\n", ' '), '', $compiledRoute->getRegex()), $m)) {
            if ($supportsRedirections && substr($m['url'], -1) === '/') {
                $conditions[] = sprintf("rtrim(\$pathinfo, '/') === %s", var_export(rtrim(str_replace('\\', '', $m['url']), '/'), true));
                $hasTrailingSlash = true;
            } else {
                $conditions[] = sprintf("\$pathinfo === %s", var_export(str_replace('\\', '', $m['url']), true));
            }
        } else {
            if ($compiledRoute->getStaticPrefix() && $compiledRoute->getStaticPrefix() != $parentPrefix) {
                $conditions[] = sprintf("0 === strpos(\$pathinfo, %s)", var_export($compiledRoute->getStaticPrefix(), true));
            }

            $regex = str_replace(array("\n", ' '), '', $compiledRoute->getRegex());
            if ($supportsRedirections && $pos = strpos($regex, '/$')) {
                $regex = substr($regex, 0, $pos).'/?$'.substr($regex, $pos + 2);
                $hasTrailingSlash = true;
            }
            $conditions[] = sprintf("preg_match(%s, \$pathinfo, \$matches)", var_export($regex, true));

            $matches = true;
        }

        $conditions = implode(' && ', $conditions);

        $gotoname = 'not_'.preg_replace('/[^A-Za-z0-9_]/', '', $name);

        $code[] = <<<EOF
        // $name
        if ($conditions) {
EOF;

        if ($req = $route->getRequirement('_method')) {
            $methods = explode('|', strtoupper($req));
            // GET and HEAD are equivalent
            if (in_array('GET', $methods) && !in_array('HEAD', $methods)) {
                $methods[] = 'HEAD';
            }
            if (1 === count($methods)) {
                $code[] = <<<EOF
            if (\$this->context->getMethod() != '$methods[0]') {
                \$allow[] = '$methods[0]';
                goto $gotoname;
            }
EOF;
            } else {
                $methods = implode('\', \'', $methods);
                $code[] = <<<EOF
            if (!in_array(\$this->context->getMethod(), array('$methods'))) {
                \$allow = array_merge(\$allow, array('$methods'));
                goto $gotoname;
            }
EOF;
            }
        }

        if ($hasTrailingSlash) {
            $code[] = sprintf(<<<EOF
            if (substr(\$pathinfo, -1) !== '/') {
                return \$this->redirect(\$pathinfo.'/', '%s');
            }
EOF
            , $name);
        }

        if ($scheme = $route->getRequirement('_scheme')) {
            if (!$supportsRedirections) {
                throw new \LogicException('The "_scheme" requirement is only supported for route dumper that implements RedirectableUrlMatcherInterface.');
            }

            $code[] = sprintf(<<<EOF
            if (\$this->context->getScheme() !== '$scheme') {
                return \$this->redirect(\$pathinfo, '%s', '$scheme');
            }
EOF
            , $name);
        }

        // optimize parameters array
        if (true === $matches && $compiledRoute->getDefaults()) {
            $code[] = sprintf("            return array_merge(\$this->mergeDefaults(\$matches, %s), array('_route' => '%s'));"
                , str_replace("\n", '', var_export($compiledRoute->getDefaults(), true)), $name);
        } elseif (true === $matches) {
            $code[] = sprintf("            \$matches['_route'] = '%s';", $name);
            $code[] = sprintf("            return \$matches;", $name);
        } elseif ($compiledRoute->getDefaults()) {
            $code[] = sprintf('            return %s;', str_replace("\n", '', var_export(array_merge($compiledRoute->getDefaults(), array('_route' => $name)), true)));
        } else {
            $code[] = sprintf("            return array('_route' => '%s');", $name);
        }
        $code[] = "        }";

        if ($req) {
            $code[] = "        $gotoname:";
        }

        $code[] = '';

        return $code;
    }