php Symfony-Component-DependencyInjection-Alias类(方法)实例源码

/**
  * {@inheritdoc}
  */
 protected function describeContainerAlias(Alias $alias, array $options = array())
 {
     $output = '- Service: `' . $alias . '`' . "\n" . '- Public: ' . ($alias->isPublic() ? 'yes' : 'no');
     $this->write(isset($options['id']) ? sprintf("%s\n%s\n\n%s\n", $options['id'], str_repeat('~', strlen($options['id'])), $output) : $output);
 }

/**
  * Adds a service alias.
  *
  * @param string $alias
  * @param Alias  $id
  *
  * @return string
  */
 private function addServiceAlias($alias, $id)
 {
     if ($id->isPublic()) {
         return sprintf("    %s: '@%s'\n", $alias, $id);
     }
     return sprintf("    %s:\n        alias: %s\n        public: false", $alias, $id);
 }

/**
  * @param Alias       $alias
  * @param string|null $id
  *
  * @return \DOMDocument
  */
 private function getContainerAliasDocument(Alias $alias, $id = null)
 {
     $dom = new \DOMDocument('1.0', 'UTF-8');
     $dom->appendChild($aliasXML = $dom->createElement('alias'));
     if ($id) {
         $aliasXML->setAttribute('id', $id);
     }
     $aliasXML->setAttribute('service', (string) $alias);
     $aliasXML->setAttribute('public', $alias->isPublic() ? 'true' : 'false');
     return $dom;
 }

/**
  * @param Alias $alias
  *
  * @return array
  */
 private function getContainerAliasData(Alias $alias)
 {
     return array('service' => (string) $alias, 'public' => $alias->isPublic());
 }

/**
  * Returns a service alias definiton.
  *
  * @param string $alias
  * @param Alias  $id
  *
  * @return string
  */
 protected function getServiceAliasDefinition($id)
 {
     if ($id->isPublic()) {
         return array('alias' => (string) $id);
     } else {
         return array('alias' => (string) $id, 'public' => FALSE);
     }
 }