Move into nested docroot
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Rob Davies
parent
83a0d3a149
commit
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13405 changed files with 0 additions and 0 deletions
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@ -1,409 +0,0 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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 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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use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
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use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
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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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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Tobias Schultze <http://tobion.de>
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* @author Arnaud Le Blanc <arnaud.lb@gmail.com>
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*/
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class PhpMatcherDumper extends MatcherDumper
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{
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private $expressionLanguage;
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/**
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* @var ExpressionFunctionProviderInterface[]
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*/
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private $expressionLanguageProviders = array();
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/**
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* Dumps a set of routes to a PHP class.
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*
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* Available options:
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*
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* * class: The class name
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* * base_class: The base class name
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*
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* @param array $options An array of options
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*
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* @return string A PHP class representing the matcher class
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*/
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public function dump(array $options = array())
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{
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$options = array_replace(array(
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'class' => 'ProjectUrlMatcher',
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'base_class' => 'Symfony\\Component\\Routing\\Matcher\\UrlMatcher',
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), $options);
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// trailing slash support is only enabled if we know how to redirect the user
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$interfaces = class_implements($options['base_class']);
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$supportsRedirections = isset($interfaces['Symfony\\Component\\Routing\\Matcher\\RedirectableUrlMatcherInterface']);
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return <<<EOF
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<?php
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use Symfony\Component\Routing\Exception\MethodNotAllowedException;
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use Symfony\Component\Routing\Exception\ResourceNotFoundException;
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use Symfony\Component\Routing\RequestContext;
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/**
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* {$options['class']}.
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*
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* This class has been auto-generated
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* by the Symfony Routing Component.
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*/
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class {$options['class']} extends {$options['base_class']}
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{
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/**
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* Constructor.
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*/
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public function __construct(RequestContext \$context)
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{
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\$this->context = \$context;
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}
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{$this->generateMatchMethod($supportsRedirections)}
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}
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EOF;
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}
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public function addExpressionLanguageProvider(ExpressionFunctionProviderInterface $provider)
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{
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$this->expressionLanguageProviders[] = $provider;
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}
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/**
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* Generates the code for the match method implementing UrlMatcherInterface.
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*
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* @param bool $supportsRedirections Whether redirections are supported by the base class
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*
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* @return string Match method as PHP code
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*/
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private function generateMatchMethod($supportsRedirections)
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{
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$code = rtrim($this->compileRoutes($this->getRoutes(), $supportsRedirections), "\n");
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return <<<EOF
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public function match(\$pathinfo)
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{
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\$allow = array();
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\$pathinfo = rawurldecode(\$pathinfo);
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\$context = \$this->context;
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\$request = \$this->request;
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$code
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throw 0 < count(\$allow) ? new MethodNotAllowedException(array_unique(\$allow)) : new ResourceNotFoundException();
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}
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EOF;
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}
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/**
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* Generates PHP code to match a RouteCollection with all its routes.
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*
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* @param RouteCollection $routes A RouteCollection instance
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* @param bool $supportsRedirections Whether redirections are supported by the base class
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*
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* @return string PHP code
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*/
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private function compileRoutes(RouteCollection $routes, $supportsRedirections)
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{
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$fetchedHost = false;
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$groups = $this->groupRoutesByHostRegex($routes);
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$code = '';
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foreach ($groups as $collection) {
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if (null !== $regex = $collection->getAttribute('host_regex')) {
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if (!$fetchedHost) {
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$code .= " \$host = \$this->context->getHost();\n\n";
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$fetchedHost = true;
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}
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$code .= sprintf(" if (preg_match(%s, \$host, \$hostMatches)) {\n", var_export($regex, true));
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}
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$tree = $this->buildPrefixTree($collection);
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$groupCode = $this->compilePrefixRoutes($tree, $supportsRedirections);
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if (null !== $regex) {
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// apply extra indention at each line (except empty ones)
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$groupCode = preg_replace('/^.{2,}$/m', ' $0', $groupCode);
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$code .= $groupCode;
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$code .= " }\n\n";
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} else {
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$code .= $groupCode;
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}
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}
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return $code;
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}
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/**
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* Generates PHP code recursively to match a tree of routes.
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*
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* @param DumperPrefixCollection $collection A DumperPrefixCollection instance
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* @param bool $supportsRedirections Whether redirections are supported by the base class
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* @param string $parentPrefix Prefix of the parent collection
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*
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* @return string PHP code
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*/
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private function compilePrefixRoutes(DumperPrefixCollection $collection, $supportsRedirections, $parentPrefix = '')
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{
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$code = '';
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$prefix = $collection->getPrefix();
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$optimizable = 1 < strlen($prefix) && 1 < count($collection->all());
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$optimizedPrefix = $parentPrefix;
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if ($optimizable) {
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$optimizedPrefix = $prefix;
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$code .= sprintf(" if (0 === strpos(\$pathinfo, %s)) {\n", var_export($prefix, true));
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}
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foreach ($collection as $route) {
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if ($route instanceof DumperCollection) {
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$code .= $this->compilePrefixRoutes($route, $supportsRedirections, $optimizedPrefix);
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} else {
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$code .= $this->compileRoute($route->getRoute(), $route->getName(), $supportsRedirections, $optimizedPrefix)."\n";
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}
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}
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if ($optimizable) {
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$code .= " }\n\n";
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// apply extra indention at each line (except empty ones)
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$code = preg_replace('/^.{2,}$/m', ' $0', $code);
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}
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return $code;
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}
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/**
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* Compiles a single Route to PHP code used to match it against the path info.
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*
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* @param Route $route A Route instance
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* @param string $name The name of the Route
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* @param bool $supportsRedirections Whether redirections are supported by the base class
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* @param string|null $parentPrefix The prefix of the parent collection used to optimize the code
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*
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* @return string PHP code
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*
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* @throws \LogicException
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*/
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private function compileRoute(Route $route, $name, $supportsRedirections, $parentPrefix = null)
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{
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$code = '';
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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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$hostMatches = false;
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$methods = $route->getMethods();
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// GET and HEAD are equivalent
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if (in_array('GET', $methods) && !in_array('HEAD', $methods)) {
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$methods[] = 'HEAD';
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}
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$supportsTrailingSlash = $supportsRedirections && (!$methods || in_array('HEAD', $methods));
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if (!count($compiledRoute->getPathVariables()) && false !== preg_match('#^(.)\^(?P<url>.*?)\$\1#', $compiledRoute->getRegex(), $m)) {
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if ($supportsTrailingSlash && substr($m['url'], -1) === '/') {
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$conditions[] = sprintf("rtrim(\$pathinfo, '/') === %s", var_export(rtrim(str_replace('\\', '', $m['url']), '/'), true));
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$hasTrailingSlash = true;
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} else {
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$conditions[] = sprintf('$pathinfo === %s', var_export(str_replace('\\', '', $m['url']), true));
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}
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} else {
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if ($compiledRoute->getStaticPrefix() && $compiledRoute->getStaticPrefix() !== $parentPrefix) {
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$conditions[] = sprintf('0 === strpos($pathinfo, %s)', var_export($compiledRoute->getStaticPrefix(), true));
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}
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$regex = $compiledRoute->getRegex();
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if ($supportsTrailingSlash && $pos = strpos($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, $matches)', var_export($regex, true));
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$matches = true;
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}
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if ($compiledRoute->getHostVariables()) {
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$hostMatches = true;
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}
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if ($route->getCondition()) {
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$conditions[] = $this->getExpressionLanguage()->compile($route->getCondition(), array('context', 'request'));
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}
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$conditions = implode(' && ', $conditions);
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$code .= <<<EOF
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// $name
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if ($conditions) {
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EOF;
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$gotoname = 'not_'.preg_replace('/[^A-Za-z0-9_]/', '', $name);
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if ($methods) {
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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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$code .= <<<EOF
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if (substr(\$pathinfo, -1) !== '/') {
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return \$this->redirect(\$pathinfo.'/', '$name');
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}
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EOF;
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}
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if ($schemes = $route->getSchemes()) {
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if (!$supportsRedirections) {
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throw new \LogicException('The "schemes" requirement is only supported for URL matchers that implement RedirectableUrlMatcherInterface.');
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}
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$schemes = str_replace("\n", '', var_export(array_flip($schemes), true));
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$code .= <<<EOF
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\$requiredSchemes = $schemes;
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if (!isset(\$requiredSchemes[\$this->context->getScheme()])) {
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return \$this->redirect(\$pathinfo, '$name', key(\$requiredSchemes));
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}
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EOF;
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}
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// optimize parameters array
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if ($matches || $hostMatches) {
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$vars = array();
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if ($hostMatches) {
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$vars[] = '$hostMatches';
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}
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if ($matches) {
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$vars[] = '$matches';
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}
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$vars[] = "array('_route' => '$name')";
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$code .= sprintf(
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" return \$this->mergeDefaults(array_replace(%s), %s);\n",
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implode(', ', $vars),
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str_replace("\n", '', var_export($route->getDefaults(), true))
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);
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} elseif ($route->getDefaults()) {
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$code .= sprintf(" return %s;\n", str_replace("\n", '', var_export(array_replace($route->getDefaults(), array('_route' => $name)), true)));
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} else {
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$code .= sprintf(" return array('_route' => '%s');\n", $name);
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}
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$code .= " }\n";
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if ($methods) {
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$code .= " $gotoname:\n";
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}
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return $code;
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}
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/**
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* Groups consecutive routes having the same host regex.
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*
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* The result is a collection of collections of routes having the same host regex.
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*
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* @param RouteCollection $routes A flat RouteCollection
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*
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* @return DumperCollection A collection with routes grouped by host regex in sub-collections
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*/
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private function groupRoutesByHostRegex(RouteCollection $routes)
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{
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$groups = new DumperCollection();
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$currentGroup = new DumperCollection();
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$currentGroup->setAttribute('host_regex', null);
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$groups->add($currentGroup);
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foreach ($routes as $name => $route) {
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$hostRegex = $route->compile()->getHostRegex();
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if ($currentGroup->getAttribute('host_regex') !== $hostRegex) {
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$currentGroup = new DumperCollection();
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$currentGroup->setAttribute('host_regex', $hostRegex);
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$groups->add($currentGroup);
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}
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$currentGroup->add(new DumperRoute($name, $route));
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}
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return $groups;
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}
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/**
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* Organizes the routes into a prefix tree.
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*
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* Routes order is preserved such that traversing the tree will traverse the
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* routes in the origin order.
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*
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* @param DumperCollection $collection A collection of routes
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*
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* @return DumperPrefixCollection
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*/
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private function buildPrefixTree(DumperCollection $collection)
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{
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$tree = new DumperPrefixCollection();
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$current = $tree;
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foreach ($collection as $route) {
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$current = $current->addPrefixRoute($route);
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}
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$tree->mergeSlashNodes();
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return $tree;
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}
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private function getExpressionLanguage()
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{
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if (null === $this->expressionLanguage) {
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if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
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throw new \RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
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}
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$this->expressionLanguage = new ExpressionLanguage(null, $this->expressionLanguageProviders);
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}
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return $this->expressionLanguage;
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}
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}
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