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- Veröffentlicht
- 06.01.2017
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PhpGeneratorDumper.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\Routing\Generator\Dumper;
013
014 /**
015 * PhpGeneratorDumper creates a PHP class able to generate URLs for a given set of routes.
016 *
017 * @author Fabien Potencier <fabien@symfony.com>
018 * @author Tobias Schultze <http://tobion.de>
019 */
020 class PhpGeneratorDumper extends GeneratorDumper
021 {
022 /**
023 * Dumps a set of routes to a PHP class.
024 *
025 * Available options:
026 *
027 * * class: The class name
028 * * base_class: The base class name
029 *
030 * @param array $options An array of options
031 *
032 * @return string A PHP class representing the generator class
033 */
034 public function dump(array $options = array())
035 {
036 $options = array_merge(array(
037 'class' => 'ProjectUrlGenerator',
038 'base_class' => 'Symfony\\Component\\Routing\\Generator\\UrlGenerator',
039 ), $options);
040
041 return <<<EOF
042 <?php
043
044 use Symfony\Component\Routing\RequestContext;
045 use Symfony\Component\Routing\Exception\RouteNotFoundException;
046 use Psr\Log\LoggerInterface;
047
048 /**
049 * {$options['class']}
050 *
051 * This class has been auto-generated
052 * by the Symfony Routing Component.
053 */
054 class {$options['class']} extends {$options['base_class']}
055 {
056 private static \$declaredRoutes;
057
058 /**
059 * Constructor.
060 */
061 public function __construct(RequestContext \$context, LoggerInterface \$logger = null)
062 {
063 \$this->context = \$context;
064 \$this->logger = \$logger;
065 if (null === self::\$declaredRoutes) {
066 self::\$declaredRoutes = {$this->generateDeclaredRoutes()};
067 }
068 }
069
070 {$this->generateGenerateMethod()}
071 }
072
073 EOF;
074
075 }
076
077 /**
078 * Generates PHP code representing an array of defined routes
079 * together with the routes properties (e.g. requirements).
080 *
081 * @return string PHP code
082 */
083 private function generateDeclaredRoutes()
084 {
085 $routes = "array(\n";
086 foreach ($this->getRoutes()->all() as $name => $route) {
087 $compiledRoute = $route->compile();
088
089 $properties = array();
090 $properties[] = $compiledRoute->getVariables();
091 $properties[] = $route->getDefaults();
092 $properties[] = $route->getRequirements();
093 $properties[] = $compiledRoute->getTokens();
094 $properties[] = $compiledRoute->getHostTokens();
095 $properties[] = $route->getSchemes();
096
097 $routes .= sprintf(" '%s' => %s,\n", $name, str_replace("\n", '', var_export($properties, true)));
098 }
099 $routes .= ' )';
100
101 return $routes;
102 }
103
104 /**
105 * Generates PHP code representing the `generate` method that implements the UrlGeneratorInterface.
106 *
107 * @return string PHP code
108 */
109 private function generateGenerateMethod()
110 {
111 return <<<'EOF'
112 public function generate($name, $parameters = array(), $referenceType = self::ABSOLUTE_PATH)
113 {
114 if (!isset(self::$declaredRoutes[$name])) {
115 throw new RouteNotFoundException(sprintf('Unable to generate a URL for the named route "%s" as such route does not exist.', $name));
116 }
117
118 list($variables, $defaults, $requirements, $tokens, $hostTokens, $requiredSchemes) = self::$declaredRoutes[$name];
119
120 return $this->doGenerate($variables, $defaults, $requirements, $tokens, $parameters, $name, $referenceType, $hostTokens, $requiredSchemes);
121 }
122 EOF;
123
124 }
125 }
126