[Routing] optimized PHP route dumper
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7c95bda751
commit
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@ -12,6 +12,7 @@
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namespace Symfony\Component\Routing\Matcher\Dumper;
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use Symfony\Component\Routing\Route;
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use Symfony\Component\Routing\RouteCollection;
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/**
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* PhpMatcherDumper creates a PHP class able to match URLs for a given set of routes.
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@ -53,107 +54,7 @@ class PhpMatcherDumper extends MatcherDumper
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private function addMatcher($supportsRedirections)
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{
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$code = array();
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foreach ($this->getRoutes()->all() as $name => $route) {
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$compiledRoute = $route->compile();
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$conditions = array();
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$hasTrailingSlash = false;
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$matches = false;
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if (!count($compiledRoute->getVariables()) && false !== preg_match('#^(.)\^(?P<url>.*?)\$\1#', str_replace(array("\n", ' '), '', $compiledRoute->getRegex()), $m)) {
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if ($supportsRedirections && substr($m['url'], -1) === '/') {
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$conditions[] = sprintf("rtrim(\$pathinfo, '/') === '%s'", rtrim(str_replace('\\', '', $m['url']), '/'));
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$hasTrailingSlash = true;
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} else {
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$conditions[] = sprintf("\$pathinfo === '%s'", str_replace('\\', '', $m['url']));
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}
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} else {
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if ($compiledRoute->getStaticPrefix()) {
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$conditions[] = sprintf("0 === strpos(\$pathinfo, '%s')", $compiledRoute->getStaticPrefix());
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}
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$regex = str_replace(array("\n", ' '), '', $compiledRoute->getRegex());
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if ($supportsRedirections && $pos = strpos($regex, '/$')) {
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$regex = substr($regex, 0, $pos).'/?$'.substr($regex, $pos + 2);
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$hasTrailingSlash = true;
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}
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$conditions[] = sprintf("preg_match('%s', \$pathinfo, \$matches)", $regex);
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$matches = true;
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}
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$conditions = implode(' && ', $conditions);
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$gotoname = 'not_'.preg_replace('/[^A-Za-z0-9_]/', '', $name);
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$code[] = <<<EOF
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// $name
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if ($conditions) {
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EOF;
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if ($req = $route->getRequirement('_method')) {
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$methods = array_map('strtolower', explode('|', $req));
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if (1 === count($methods)) {
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$code[] = <<<EOF
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if (\$this->context->getMethod() != '$methods[0]') {
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\$allow[] = '$methods[0]';
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goto $gotoname;
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}
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EOF;
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} else {
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$methods = implode('\', \'', $methods);
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$code[] = <<<EOF
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if (!in_array(\$this->context->getMethod(), array('$methods'))) {
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\$allow = array_merge(\$allow, array('$methods'));
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goto $gotoname;
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}
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EOF;
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}
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}
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if ($hasTrailingSlash) {
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$code[] = sprintf(<<<EOF
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if (substr(\$pathinfo, -1) !== '/') {
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return \$this->redirect(\$pathinfo.'/', '%s');
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}
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EOF
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, $name);
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}
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if ($scheme = $route->getRequirement('_scheme')) {
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if (!$supportsRedirections) {
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throw new \LogicException('The "_scheme" requirement is only supported for route dumper that implements RedirectableUrlMatcherInterface.');
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}
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$code[] = sprintf(<<<EOF
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if (\$this->context->getScheme() !== '$scheme') {
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return \$this->redirect(\$pathinfo, '%s', '$scheme');
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}
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EOF
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, $name);
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}
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// optimize parameters array
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if (true === $matches && $compiledRoute->getDefaults()) {
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$code[] = sprintf(" return array_merge(\$this->mergeDefaults(\$matches, %s), array('_route' => '%s'));"
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, str_replace("\n", '', var_export($compiledRoute->getDefaults(), true)), $name);
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} elseif (true === $matches) {
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$code[] = sprintf(" \$matches['_route'] = '%s';\n return \$matches;", $name);
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} elseif ($compiledRoute->getDefaults()) {
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$code[] = sprintf(' return %s;', str_replace("\n", '', var_export(array_merge($compiledRoute->getDefaults(), array('_route' => $name)), true)));
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} else {
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$code[] = sprintf(" return array('_route' => '%s');", $name);
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}
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$code[] = " }";
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if ($req) {
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$code[] = " $gotoname:";
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}
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$code[] = '';
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}
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$code = implode("\n", $code);
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$code = implode("\n", $this->compileRoutes($this->getRoutes(), $supportsRedirections));
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return <<<EOF
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@ -168,6 +69,138 @@ $code
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EOF;
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}
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private function compileRoutes(RouteCollection $routes, $supportsRedirections)
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{
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$code = array();
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foreach ($routes as $name => $route) {
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if ($route instanceof RouteCollection) {
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$indent = '';
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if (count($route->all()) > 1 && $prefix = $route->getPrefix()) {
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$code[] = sprintf(" if (0 === strpos(\$pathinfo, '%s')) {", $prefix);
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$indent = ' ';
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}
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foreach ($this->compileRoutes($route, $supportsRedirections) as $line) {
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foreach (explode("\n", $line) as $l) {
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$code[] = $indent.$l;
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}
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}
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if ($indent) {
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$code[] = " }\n";
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}
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} else {
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foreach ($this->compileRoute($route, $name, $supportsRedirections) as $line) {
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$code[] = $line;
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}
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}
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}
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return $code;
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}
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private function compileRoute(Route $route, $name, $supportsRedirections)
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{
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$compiledRoute = $route->compile();
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$conditions = array();
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$hasTrailingSlash = false;
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$matches = false;
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if (!count($compiledRoute->getVariables()) && false !== preg_match('#^(.)\^(?P<url>.*?)\$\1#', str_replace(array("\n", ' '), '', $compiledRoute->getRegex()), $m)) {
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if ($supportsRedirections && substr($m['url'], -1) === '/') {
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$conditions[] = sprintf("rtrim(\$pathinfo, '/') === '%s'", rtrim(str_replace('\\', '', $m['url']), '/'));
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$hasTrailingSlash = true;
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} else {
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$conditions[] = sprintf("\$pathinfo === '%s'", str_replace('\\', '', $m['url']));
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}
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} else {
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if ($compiledRoute->getStaticPrefix()) {
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$conditions[] = sprintf("0 === strpos(\$pathinfo, '%s')", $compiledRoute->getStaticPrefix());
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}
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$regex = str_replace(array("\n", ' '), '', $compiledRoute->getRegex());
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if ($supportsRedirections && $pos = strpos($regex, '/$')) {
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$regex = substr($regex, 0, $pos).'/?$'.substr($regex, $pos + 2);
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$hasTrailingSlash = true;
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}
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$conditions[] = sprintf("preg_match('%s', \$pathinfo, \$matches)", $regex);
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$matches = true;
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}
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$conditions = implode(' && ', $conditions);
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$gotoname = 'not_'.preg_replace('/[^A-Za-z0-9_]/', '', $name);
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$code[] = <<<EOF
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// $name
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if ($conditions) {
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EOF;
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if ($req = $route->getRequirement('_method')) {
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$methods = array_map('strtolower', explode('|', $req));
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if (1 === count($methods)) {
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$code[] = <<<EOF
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if (\$this->context->getMethod() != '$methods[0]') {
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\$allow[] = '$methods[0]';
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goto $gotoname;
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}
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EOF;
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} else {
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$methods = implode('\', \'', $methods);
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$code[] = <<<EOF
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if (!in_array(\$this->context->getMethod(), array('$methods'))) {
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\$allow = array_merge(\$allow, array('$methods'));
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goto $gotoname;
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}
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EOF;
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}
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}
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if ($hasTrailingSlash) {
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$code[] = sprintf(<<<EOF
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if (substr(\$pathinfo, -1) !== '/') {
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return \$this->redirect(\$pathinfo.'/', '%s');
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}
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EOF
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, $name);
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}
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if ($scheme = $route->getRequirement('_scheme')) {
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if (!$supportsRedirections) {
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throw new \LogicException('The "_scheme" requirement is only supported for route dumper that implements RedirectableUrlMatcherInterface.');
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}
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$code[] = sprintf(<<<EOF
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if (\$this->context->getScheme() !== '$scheme') {
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return \$this->redirect(\$pathinfo, '%s', '$scheme');
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}
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EOF
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, $name);
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}
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// optimize parameters array
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if (true === $matches && $compiledRoute->getDefaults()) {
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$code[] = sprintf(" return array_merge(\$this->mergeDefaults(\$matches, %s), array('_route' => '%s'));"
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, str_replace("\n", '', var_export($compiledRoute->getDefaults(), true)), $name);
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} elseif (true === $matches) {
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$code[] = sprintf(" \$matches['_route'] = '%s';", $name);
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$code[] = sprintf(" return \$matches;", $name);
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} elseif ($compiledRoute->getDefaults()) {
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$code[] = sprintf(' return %s;', str_replace("\n", '', var_export(array_merge($compiledRoute->getDefaults(), array('_route' => $name)), true)));
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} else {
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$code[] = sprintf(" return array('_route' => '%s');", $name);
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}
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$code[] = " }";
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if ($req) {
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$code[] = " $gotoname:";
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}
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$code[] = '';
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return $code;
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}
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private function startClass($class, $baseClass)
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{
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return <<<EOF
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@ -72,9 +72,32 @@ class UrlMatcher implements UrlMatcherInterface
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*/
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public function match($pathinfo)
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{
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$allow = array();
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$this->allow = array();
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if ($ret = $this->matchCollection($pathinfo, $this->routes)) {
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return $ret;
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}
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throw 0 < count($this->allow)
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? new MethodNotAllowedException(array_unique(array_map('strtolower', $this->allow)))
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: new NotFoundException();
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}
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protected function matchCollection($pathinfo, RouteCollection $routes)
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{
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foreach ($routes as $name => $route) {
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if ($route instanceof RouteCollection) {
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if ($route->getPrefix() !== substr($pathinfo, 0, strlen($route->getPrefix()))) {
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continue;
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}
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if (!$ret = $this->matchCollection($pathinfo, $route)) {
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continue;
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}
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return $ret;
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}
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foreach ($this->routes->all() as $name => $route) {
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$compiledRoute = $route->compile();
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// check the static prefix of the URL first. Only use the more expensive preg_match when it matches
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@ -88,16 +111,13 @@ class UrlMatcher implements UrlMatcherInterface
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// check HTTP method requirement
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if ($route->getRequirement('_method') && ($req = explode('|', $route->getRequirement('_method'))) && !in_array($this->context->getMethod(), array_map('strtolower', $req))) {
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$allow = array_merge($allow, $req);
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$this->allow = array_merge($this->allow, $req);
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continue;
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}
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return array_merge($this->mergeDefaults($matches, $route->getDefaults()), array('_route' => $name));
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}
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throw 0 < count($allow)
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? new MethodNotAllowedException(array_unique(array_map('strtolower', $allow)))
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: new NotFoundException();
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}
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protected function mergeDefaults($params, $defaults)
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@ -18,10 +18,11 @@ use Symfony\Component\Config\Resource\ResourceInterface;
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class RouteCollection
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class RouteCollection implements \IteratorAggregate
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{
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private $routes;
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private $resources;
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private $prefix;
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/**
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* Constructor.
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@ -30,6 +31,12 @@ class RouteCollection
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{
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$this->routes = array();
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$this->resources = array();
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$this->prefix = '';
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}
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public function getIterator()
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{
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return new \ArrayIterator($this->routes);
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}
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/**
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@ -56,7 +63,16 @@ class RouteCollection
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*/
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public function all()
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{
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return $this->routes;
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$routes = array();
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foreach ($this->routes as $name => $route) {
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if ($route instanceof RouteCollection) {
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$routes = array_merge($routes, $route->all());
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} else {
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$routes[$name] = $route;
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}
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}
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return $routes;
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}
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/**
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@ -68,7 +84,20 @@ class RouteCollection
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*/
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public function get($name)
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{
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return isset($this->routes[$name]) ? $this->routes[$name] : null;
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// get the latest defined route
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foreach (array_reverse($this->routes) as $routes) {
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if (!$routes instanceof RouteCollection) {
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continue;
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}
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if (null !== $route = $routes->get($name)) {
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return $route;
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}
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}
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if (isset($this->routes[$name])) {
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return $this->routes[$name];
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};
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}
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/**
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@ -81,11 +110,7 @@ class RouteCollection
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{
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$collection->addPrefix($prefix);
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foreach ($collection->getResources() as $resource) {
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$this->addResource($resource);
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}
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$this->routes = array_merge($this->routes, $collection->all());
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$this->routes[] = $collection;
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}
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/**
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@ -99,11 +124,18 @@ class RouteCollection
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return;
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}
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$this->prefix = $prefix.$this->prefix;
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foreach ($this->all() as $route) {
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$route->setPattern($prefix.$route->getPattern());
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}
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}
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public function getPrefix()
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{
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return $this->prefix;
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}
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/**
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* Returns an array of resources loaded to build this collection.
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*
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@ -111,7 +143,14 @@ class RouteCollection
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*/
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public function getResources()
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{
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return array_unique($this->resources);
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$resources = $this->resources;
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foreach ($this as $routes) {
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if ($routes instanceof RouteCollection) {
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$resources = array_merge($resources, $routes->getResources());
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}
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}
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return array_unique($resources);
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}
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/**
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