/drupal7/sites/all/modules/rules/rules.module - Club Drupal - Forge Centrale Marseille

root / drupal7 / sites / all / modules / rules / rules.module @ 74f6bef0

       <?php
       /**
        * @file Rules engine module
        */
       /**
        * Implements hook_init().
        */
       function rules_init() {
         module_load_include('inc', 'rules', 'modules/events');
         rules_invoke_event('init');
+      }
       /**
        * Returns an instance of the rules UI controller, which eases re-using the Rules UI.
+       *
        * See the rules_admin.module for example usage.
+       *
        * @return RulesUIController
        */
       function rules_ui() {
         $static = drupal_static(__FUNCTION__);
         if (!isset($static)) {
           $static = new RulesUIController();
+        }
         return $static;
+      }
       /**
        * Returns a new rules action.
+       *
        * @param $name
        *   The action's name.
        * @param $settings
        *   The action's settings array.
        * @return RulesAction
        */
       function rules_action($name, $settings = array()) {
         return rules_plugin_factory('action', $name, $settings);
+      }
       /**
        * Returns a new rules condition.
+       *
        * @param $name
        *   The condition's name.
        * @param $settings
        *   The condition's settings array.
        * @return RulesCondition
        */
       function rules_condition($name, $settings = array()) {
         return rules_plugin_factory('condition', $name, $settings);
+      }
       /**
        * Creates a new rule.
+       *
        * @param $variables
        *   The array of variables to setup in the evaluation state, making them
        *   available for the configuraion elements. Values for the variables need to
        *   be passed as argument when the rule is executed. Only Rule instances with
        *   no variables can be embedded in other configurations, e.g. rule sets.
        *   The array has to be keyed by variable name and contain a sub-array for each
        *   variable that has the same structure as the arrays used for describing
        *   parameters of an action, see hook_rules_action_info(). However, in addition
        *   to that the following keys are supported:
        *    - parameter: (optional) If set to FALSE, no parameter for the variable
        *      is created - thus no argument needs to be passed to the rule for the
        *      variable upon execution. As a consequence no value will be set
        *      initially, but the "Set data value" action may be used to do so. This is
        *      in particular useful for defining variables which can be provided to the
        *      caller (see $provides argument) but need not be passed in as parameter.
        * @param $provides
        *   The names of variables which should be provided to the caller. Only
        *   variables contained in $variables may be specified.
        * @return Rule
        */
       function rule($variables = NULL, $provides = array()) {
         return rules_plugin_factory('rule', $variables, $provides);
+      }
       /**
        * Creates a new reaction rule.
+       *
        * @return RulesReactionRule
        */
       function rules_reaction_rule() {
         return rules_plugin_factory('reaction rule');
+      }
       /**
        * Creates a logical OR condition container.
+       *
        * @param $variables
        *   An optional array as for rule().
        * @return RulesOr
        */
       function rules_or($variables = NULL) {
         return rules_plugin_factory('or', $variables);
+      }
       /**
        * Creates a logical AND condition container.
+       *
        * @param $variables
        *   An optional array as for rule().
        * @return RulesAnd
        */
       function rules_and($variables = NULL) {
         return rules_plugin_factory('and', $variables);
+      }
       /**
        * Creates a loop.
+       *
        * @param $settings
        *   The loop settings, containing
        *     'list:select': The data selector for the list to loop over.
        *     'item:var': Optionally a name for the list item variable.
        *     'item:label': Optionally a lebel for the list item variable.
        * @param $variables
        *   An optional array as for rule().
        * @return RulesLoop
        */
       function rules_loop($settings = array(), $variables = NULL) {
         return rules_plugin_factory('loop', $settings, $variables);
+      }
       /**
        * Creates a rule set.
+       *
        * @param $variables
        *   An array as for rule().
        * @param $provides
        *   The names of variables which should be provided to the caller. See rule().
        * @return RulesRuleSet
        */
       function rules_rule_set($variables = array(), $provides = array()) {
         return rules_plugin_factory('rule set', $variables, $provides);
+      }
       /**
        * Creates an action set.
+       *
        * @param $variables
        *   An array as for rule().
        * @param $provides
        *   The names of variables which should be provided to the caller. See rule().
        * @return RulesActionSet
        */
       function rules_action_set($variables = array(), $provides = array()) {
         return rules_plugin_factory('action set', $variables, $provides);
+      }
       /**
        * Log a message to the rules logger.
+       *
        * @param $msg
        *   The message to log.
        * @param $args
        *   An array of placeholder arguments as used by t().
        * @param $priority
        *   A priority as defined by the RulesLog class.
        * @param RulesPlugin $element
        *  (optional) The RulesElement causing the log entry.
        * @param boolean $scope
        *  (optional) This may be used to denote the beginning (TRUE) or the end
        *  (FALSE) of a new execution scope.
        */
       function rules_log($msg, $args = array(), $priority = RulesLog::INFO, RulesPlugin $element = NULL, $scope = NULL) {
         static $logger, $settings;
         // Statically cache the variable settings as this is called very often.
         if (!isset($settings)) {
           $settings['rules_log_errors'] = variable_get('rules_log_errors', RulesLog::WARN);
           $settings['rules_debug_log'] = variable_get('rules_debug_log', FALSE);
           $settings['rules_debug'] = variable_get('rules_debug', FALSE);
+        }
         if ($priority >= $settings['rules_log_errors']) {
           $link = NULL;
           if (isset($element) && isset($element->root()->name)) {
             $link = l(t('edit configuration'), RulesPluginUI::path($element->root()->name, 'edit', $element));
+          }
           watchdog('rules', $msg, $args, $priority == RulesLog::WARN ? WATCHDOG_WARNING : WATCHDOG_ERROR, $link);
+        }
         // Do nothing in case debugging is totally disabled.
         if (!$settings['rules_debug_log'] && !$settings['rules_debug']) {
           return;
+        }
         if (!isset($logger)) {
           $logger = RulesLog::logger();
+        }
         $path = isset($element) && isset($element->root()->name) ? RulesPluginUI::path($element->root()->name, 'edit', $element) : NULL;
         $logger->log($msg, $args, $priority, $scope, $path);
+      }
       /**
        * Fetches module definitions for the given hook name.
+       *
        * Used for collecting events, rules, actions and condtions from other modules.
+       *
        * @param $hook
        *   The hook of the definitions to get from invoking hook_rules_{$hook}.
        */
       function rules_fetch_data($hook) {
         $data = &drupal_static(__FUNCTION__, array());
         static $discover = array(
           'action_info' => 'RulesActionHandlerInterface',
           'condition_info' => 'RulesConditionHandlerInterface',
           'event_info' => 'RulesEventHandlerInterface',
         );
         if (!isset($data[$hook])) {
           foreach (module_implements('rules_' . $hook) as $module) {
             $result = call_user_func($module . '_rules_' . $hook);
             if (isset($result) && is_array($result)) {
               foreach ($result as $name => $item) {
                 $item += array('module' => $module);
                 $data[$hook][$name] = $item;
+              }
+            }
+          }
           // Support class discovery.
           if (isset($discover[$hook])) {
             $data[$hook] += rules_discover_plugins($discover[$hook]);
+          }
           drupal_alter('rules_'. $hook, $data[$hook]);
+        }
         return $data[$hook];
+      }
       /**
        * Discover plugin implementations.
+       *
        * Class based plugin handlers must be loaded when rules caches are rebuilt,
        * such that they get discovered properly. You have the following options:
        *  - Put it into a regular module file (discouraged)
        *  - Put it into your module.rules.inc file
        *  - Put it in any file and declare it using hook_rules_file_info()
        *  - Put it in any file and declare it using hook_rules_directory()
+       *
        * In addition to that, the class must be loadable via regular class
        * auto-loading, thus put the file holding the class in your info file or use
        * another class-loader.
+       *
        * @param string $class
        *   The class or interface the plugins must implement. For a plugin to be
        *   discovered it must have a static getInfo() method also.
+       *
        * @return array
        *   An info-hook style array containing info about discovered plugins.
+       *
        * @see RulesActionHandlerInterface
        * @see RulesConditionHandlerInterface
        * @see RulesEventHandlerInterface
        */
       function rules_discover_plugins($class) {
         // Make sure all files possibly holding plugins are included.
         RulesAbstractPlugin::includeFiles();
         $items = array();
         foreach (get_declared_classes() as $plugin_class) {
           if (is_subclass_of($plugin_class, $class) && method_exists($plugin_class, 'getInfo')) {
             $info = call_user_func(array($plugin_class, 'getInfo'));
             $info['class'] = $plugin_class;
             $info['module'] = _rules_discover_module($plugin_class);
             $items[$info['name']] = $info;
+          }
+        }
         return $items;
+      }
       /**
        * Determines the module providing the given class.
        */
       function _rules_discover_module($class) {
         $paths = &drupal_static(__FUNCTION__);
         if (!isset($paths)) {
           // Build up a map of modules keyed by their directory.
           foreach (system_list('module_enabled') as $name => $module_info) {
             $paths[dirname($module_info->filename)] = $name;
+          }
+        }
         // Retrieve the class file and convert its absolute path to a regular Drupal
         // path relative to the installation root.
         $reflection = new ReflectionClass($class);
         $path = str_replace(realpath(DRUPAL_ROOT) . DIRECTORY_SEPARATOR, '', realpath(dirname($reflection->getFileName())));
         $path = DIRECTORY_SEPARATOR != '/' ? str_replace(DIRECTORY_SEPARATOR, '/', $path) : $path;
         // Go up the path until we match a module up.
         $parts = explode('/', $path);
         while (!isset($paths[$path]) && array_pop($parts)) {
           $path = dirname($path);
+        }
         return isset($paths[$path]) ? $paths[$path] : FALSE;
+      }
       /**
        * Gets a rules cache entry.
        */
       function &rules_get_cache($cid = 'data') {
         // Make use of the fast, advanced drupal static pattern.
         static $drupal_static_fast;
         if (!isset($drupal_static_fast)) {
           $drupal_static_fast['cache'] = &drupal_static(__FUNCTION__, array());
+        }
         $cache = &$drupal_static_fast['cache'];
         if (!isset($cache[$cid])) {
           // The main 'data' cache includes translated strings, so each language is
           // cached separately.
           $cid_suffix = $cid == 'data' ? ':' . $GLOBALS['language']->language : '';
           if ($get = cache_get($cid . $cid_suffix, 'cache_rules')) {
             $cache[$cid] = $get->data;
+          }
           elseif ($cid === 'data') {
             // There is no 'data' cache so we need to rebuild it. Make sure subsequent
             // cache gets of the main 'data' cache during rebuild get the interim
             // cache by passing in the reference of the static cache variable.
             _rules_rebuild_cache($cache['data']);
+          }
           elseif (strpos($cid, 'comp_') === 0) {
             $cache[$cid] = FALSE;
             _rules_rebuild_component_cache();
+          }
           elseif (strpos($cid, 'event_') === 0) {
             $cache[$cid] = FALSE;
             RulesEventSet::rebuildEventCache();
+          }
           else {
             $cache[$cid] = FALSE;
+          }
+        }
         return $cache[$cid];
+      }
       /**
        * Rebuilds the rules cache.
+       *
        * This rebuilds the rules 'data' cache and invokes rebuildCache() methods on
        * all plugin classes, which allows plugins to add their own data to the cache.
        * The cache is rebuilt in the order the plugins are defined.
+       *
        * Note that building the action/condition info cache triggers loading of all
        * components, thus depends on entity-loading and so syncing entities in code
        * to the database.
+       *
        * @see rules_rules_plugin_info()
        * @see entity_defaults_rebuild()
        */
       function _rules_rebuild_cache(&$cache) {
         foreach(array('data_info', 'plugin_info') as $hook) {
           $cache[$hook] = rules_fetch_data($hook);
+        }
         foreach ($cache['plugin_info'] as $name => &$info) {
           // Let the items add something to the cache.
           $item = new $info['class']();
           $item->rebuildCache($info, $cache);
+        }
         $cid_suffix = ':' . $GLOBALS['language']->language;
         cache_set('data' . $cid_suffix, $cache, 'cache_rules');
+      }
       /**
        * Cache components to allow efficient usage via rules_invoke_component().
+       *
        * @see rules_invoke_component()
        * @see rules_get_cache()
        */
       function _rules_rebuild_component_cache() {
         $components = rules_get_components();
         foreach ($components as $id => $component) {
           // If a component is marked as dirty, check if this still applies.
           if ($component->dirty) {
             rules_config_update_dirty_flag($component);
+          }
           if (!$component->dirty) {
             // Clone the component to avoid modules getting the to be cached
             // version from the static loading cache.
             $component = clone $component;
             $component->optimize();
             // Allow modules to alter the cached component.
             drupal_alter('rules_component', $component->plugin, $component);
             rules_set_cache('comp_' . $component->name, $component);
+          }
+        }
+      }
       /**
        * Sets a rules cache item.
+       *
        * In addition to calling cache_set(), this function makes sure the cache item
        * is immediately available via rules_get_cache() by keeping all cache items
        * in memory. That way we can guarantee rules_get_cache() is able to retrieve
        * any cache item, even if all cache gets fail.
+       *
        * @see rules_get_cache()
        */
       function rules_set_cache($cid, $data) {
         $cache = &drupal_static('rules_get_cache', array());
         $cache[$cid] = $data;
         cache_set($cid, $data, 'cache_rules');
+      }
       /**
        * Implements hook_flush_caches().
        */
       function rules_flush_caches() {
         return array('cache_rules');
+      }
       /**
        * Clears the rule set cache
        */
       function rules_clear_cache() {
         cache_clear_all('*', 'cache_rules', TRUE);
         variable_del('rules_event_whitelist');
         drupal_static_reset('rules_get_cache');
         drupal_static_reset('rules_fetch_data');
         drupal_static_reset('rules_config_update_dirty_flag');
         entity_get_controller('rules_config')->resetCache();
+      }
       /**
        * Imports the given export and returns the imported configuration.
+       *
        * @param $export
        *   A serialized string in JSON format as produced by the RulesPlugin::export()
        *   method, or the PHP export as usual PHP array.
        * @return RulesPlugin
        */
       function rules_import($export, &$error_msg = '') {
         return entity_get_controller('rules_config')->import($export, $error_msg);
+      }
       /**
        * Wraps the given data.
+       *
        * @param $data
        *   If available, the actual data, else NULL.
        * @param $info
        *   An array of info about this data.
        * @param $force
        *   Usually data is only wrapped if really needed. If set to TRUE, wrapping the
        *   data is forced, so primitive data types are also wrapped.
        * @return EntityMetadataWrapper
        *   An EntityMetadataWrapper or the unwrapped data.
+       *
        * @see hook_rules_data_info()
        */
       function &rules_wrap_data($data = NULL, $info, $force = FALSE) {
         // If the data is already wrapped, use the existing wrapper.
         if ($data instanceof EntityMetadataWrapper) {
           return $data;
+        }
         $cache = rules_get_cache();
         // Define the keys to be passed through to the metadata wrapper.
         $wrapper_keys = array_flip(array('property info', 'property defaults'));
         if (isset($cache['data_info'][$info['type']])) {
           $info += array_intersect_key($cache['data_info'][$info['type']], $wrapper_keys);
+        }
         // If a list is given, also add in the info of the item type.
         $list_item_type = entity_property_list_extract_type($info['type']);
         if ($list_item_type && isset($cache['data_info'][$list_item_type])) {
           $info += array_intersect_key($cache['data_info'][$list_item_type], $wrapper_keys);
+        }
         // By default we do not wrap the data, except for completely unknown types.
         if (!empty($cache['data_info'][$info['type']]['wrap']) || $list_item_type || $force || empty($cache['data_info'][$info['type']])) {
           unset($info['handler']);
           // Allow data types to define custom wrapper classes.
           if (!empty($cache['data_info'][$info['type']]['wrapper class'])) {
             $class = $cache['data_info'][$info['type']]['wrapper class'];
             $wrapper = new $class($info['type'], $data, $info);
+          }
           else {
             $wrapper = entity_metadata_wrapper($info['type'], $data, $info);
+          }
           return $wrapper;
+        }
         return $data;
+      }
       /**
        * Unwraps the given data, if it's wrapped.
+       *
        * @param $data
        *   An array of wrapped data.
        * @param $info
        *   Optionally an array of info about how to unwrap the data. Keyed as $data.
        * @return
        *   An array containing unwrapped or passed through data.
        */
       function rules_unwrap_data(array $data, $info = array()) {
         $cache = rules_get_cache();
         foreach ($data as $key => $entry) {
           // If it's a wrapper, unwrap unless specified otherwise.
           if ($entry instanceof EntityMetadataWrapper) {
             if (!isset($info[$key]['allow null'])) {
               $info[$key]['allow null'] = FALSE;
+            }
             if (!isset($info[$key]['wrapped'])) {
               // By default, do not unwrap special data types that are always wrapped.
               $info[$key]['wrapped'] = (isset($info[$key]['type']) && is_string($info[$key]['type']) && !empty($cache['data_info'][$info[$key]['type']]['is wrapped']));
+            }
             // Activate the decode option by default if 'sanitize' is not enabled, so
             // any text is either sanitized or decoded.
             // @see EntityMetadataWrapper::value()
             $options = $info[$key] + array('decode' => empty($info[$key]['sanitize']));
             try {
               if (!($info[$key]['allow null'] && $info[$key]['wrapped'])) {
                 $value = $entry->value($options);
                 if (!$info[$key]['wrapped']) {
                   $data[$key] = $value;
+                }
                 if (!$info[$key]['allow null'] && !isset($value)) {
                   throw new RulesEvaluationException('The variable or parameter %name is empty.', array('%name' => $key));
+                }
+              }
+            }
             catch (EntityMetadataWrapperException $e) {
               throw new RulesEvaluationException('Unable to get the data value for the variable or parameter %name. Error: !error', array('%name' => $key, '!error' => $e->getMessage()));
+            }
+          }
+        }
         return $data;
+      }
       /**
        * Gets event info for a given event.
+       *
        * @param string $event_name
        *   A (configured) event name.
+       *
        * @return array
        *   An array of event info. If the event is unknown, a suiting info array is
        *   generated and returned
        */
       function rules_get_event_info($event_name) {
         $base_event_name = rules_get_event_base_name($event_name);
         $events = rules_fetch_data('event_info');
         if (isset($events[$base_event_name])) {
           return $events[$base_event_name] + array('name' => $base_event_name);
+        }
         return array(
           'label' => t('Unknown event "!event_name"', array('!event_name' => $base_event_name)),
           'name' => $base_event_name,
         );
+      }
       /**
        * Returns the base name of a configured event name.
+       *
        * For a configured event name like node_view--article the base event name
        * node_view is returned.
+       *
        * @return string
        *   The event base name.
        */
       function rules_get_event_base_name($event_name) {
         // Cut off any suffix from a configured event name.
         if (strpos($event_name, '--') !== FALSE) {
           $parts = explode('--', $event_name, 2);
           return $parts[0];
+        }
         return $event_name;
+      }
       /**
        * Returns the rule event handler for the given event.
+       *
        * Events having no settings are handled via the class RulesEventSettingsNone.
+       *
        * @param string $event_name
        *   The event name (base or configured).
        * @param array $settings
        *   (optional) An array of event settings to set on the handler.
+       *
        * @return RulesEventHandlerInterface
        *   The event handler.
        */
       function rules_get_event_handler($event_name, array $settings = NULL) {
         $event_name = rules_get_event_base_name($event_name);
         $event_info = rules_get_event_info($event_name);
         $class = !empty($event_info['class']) ? $event_info['class'] : 'RulesEventDefaultHandler';
         $handler = new $class($event_name, $event_info);
         return isset($settings) ? $handler->setSettings($settings) : $handler;
+      }
       /**
        * Creates a new instance of a the given rules plugin.
+       *
        * @return RulesPlugin
        */
       function rules_plugin_factory($plugin_name, $arg1 = NULL, $arg2 = NULL) {
         $cache = rules_get_cache();
         if (isset($cache['plugin_info'][$plugin_name]['class'])) {
           return new $cache['plugin_info'][$plugin_name]['class']($arg1, $arg2);
+        }
+      }
       /**
        * Implementation of hook_rules_plugin_info().
+       *
        * Note that the cache is rebuilt in the order of the plugins. Therefore the
        * condition and action plugins must be at the top, so that any components
        * re-building their cache can create configurations including properly setup-ed
        * actions and conditions.
        */
       function rules_rules_plugin_info() {
         return array(
           'condition' => array(
             'class' => 'RulesCondition',
             'embeddable' => 'RulesConditionContainer',
             'extenders' => array (
               'RulesPluginImplInterface' => array(
                 'class' => 'RulesAbstractPluginDefaults',
               ),
               'RulesPluginFeaturesIntegrationInterace' => array(
                 'methods' => array(
                   'features_export' => 'rules_features_abstract_default_features_export',
                 ),
               ),
               'RulesPluginUIInterface' => array(
                 'class' => 'RulesAbstractPluginUI',
               ),
             ),
           ),
           'action' => array(
             'class' => 'RulesAction',
             'embeddable' => 'RulesActionContainer',
             'extenders' => array (
               'RulesPluginImplInterface' => array(
                 'class' => 'RulesAbstractPluginDefaults',
               ),
               'RulesPluginFeaturesIntegrationInterace' => array(
                 'methods' => array(
                   'features_export' => 'rules_features_abstract_default_features_export',
                 ),
               ),
               'RulesPluginUIInterface' => array(
                 'class' => 'RulesAbstractPluginUI',
               ),
             ),
           ),
           'or' => array(
             'label' => t('Condition set (OR)'),
             'class' => 'RulesOr',
             'embeddable' => 'RulesConditionContainer',
             'component' => TRUE,
             'extenders' => array(
               'RulesPluginUIInterface' => array(
                 'class' => 'RulesConditionContainerUI',
               ),
             ),
           ),
           'and' => array(
             'label' => t('Condition set (AND)'),
             'class' => 'RulesAnd',
             'embeddable' => 'RulesConditionContainer',
             'component' => TRUE,
             'extenders' => array(
               'RulesPluginUIInterface' => array(
                 'class' => 'RulesConditionContainerUI',
               ),
             ),
           ),
           'action set' => array(
             'label' => t('Action set'),
             'class' => 'RulesActionSet',
             'embeddable' => FALSE,
             'component' => TRUE,
             'extenders' => array(
               'RulesPluginUIInterface' => array(
                 'class' => 'RulesActionContainerUI',
               ),
             ),
           ),
           'rule' => array(
             'label' => t('Rule'),
             'class' => 'Rule',
             'embeddable' => 'RulesRuleSet',
             'component' => TRUE,
             'extenders' => array(
               'RulesPluginUIInterface' => array(
                 'class' => 'RulesRuleUI',
               ),
             ),
           ),
           'loop' => array(
             'class' => 'RulesLoop',
             'embeddable' => 'RulesActionContainer',
             'extenders' => array(
               'RulesPluginUIInterface' => array(
                 'class' => 'RulesLoopUI',
               ),
             ),
           ),
           'reaction rule' => array(
             'class' => 'RulesReactionRule',
             'embeddable' => FALSE,
             'extenders' => array(
               'RulesPluginUIInterface' => array(
                 'class' => 'RulesReactionRuleUI',
               ),
             ),
           ),
           'event set' => array(
             'class' => 'RulesEventSet',
             'embeddable' => FALSE,
           ),
           'rule set' => array(
             'label' => t('Rule set'),
             'class' => 'RulesRuleSet',
             'component' => TRUE,
             // Rule sets don't get embedded - we use a separate action to execute.
             'embeddable' => FALSE,
             'extenders' => array(
               'RulesPluginUIInterface' => array(
                 'class' => 'RulesRuleSetUI',
               ),
             ),
           ),
         );
+      }
       /**
        * Implementation of hook_entity_info().
        */
       function rules_entity_info() {
         return array(
           'rules_config' => array(
             'label' => t('Rules configuration'),
             'controller class' => 'RulesEntityController',
             'base table' => 'rules_config',
             'fieldable' => TRUE,
             'entity keys' => array(
               'id' => 'id',
               'name' => 'name',
               'label' => 'label',
             ),
             'module' => 'rules',
             'static cache' => TRUE,
             'bundles' => array(),
             'configuration' => TRUE,
             'exportable' => TRUE,
             'export' => array(
               'default hook' => 'default_rules_configuration',
             ),
             'access callback' => 'rules_config_access',
             'features controller class' => 'RulesFeaturesController',
           ),
         );
+      }
       /**
        * Implementation of hook_hook_info().
        */
       function rules_hook_info() {
         foreach(array('plugin_info', 'rules_directory', 'data_info', 'condition_info', 'action_info', 'event_info', 'file_info', 'evaluator_info', 'data_processor_info') as $hook) {
           $hooks['rules_' . $hook] = array(
             'group' => 'rules',
           );
           $hooks['rules_' . $hook . '_alter'] = array(
             'group' => 'rules',
           );
+        }
         $hooks['default_rules_configuration'] = array(
           'group' => 'rules_defaults',
         );
         $hooks['default_rules_configuration_alter'] = array(
           'group' => 'rules_defaults',
         );
         return $hooks;
+      }
       /**
        * Load rule configurations from the database.
+       *
        * This function should be used whenever you need to load more than one entity
        * from the database. The entities are loaded into memory and will not require
        * database access if loaded again during the same page request.
+       *
        * @see hook_entity_info()
        * @see RulesEntityController
+       *
        * @param $names
        *   An array of rules configuration names or FALSE to load all.
        * @param $conditions
        *   An array of conditions in the form 'field' => $value.
+       *
        * @return
        *   An array of rule configurations indexed by their ids.
        */
       function rules_config_load_multiple($names = array(), $conditions = array()) {
         return entity_load_multiple_by_name('rules_config', $names, $conditions);
+      }
       /**
        * Loads a single rule configuration from the database.
+       *
        * @see rules_config_load_multiple()
+       *
        * @return RulesPlugin
        */
       function rules_config_load($name) {
         return entity_load_single('rules_config', $name);
+      }
       /**
        * Returns an array of configured components.
+       *
        * For actually executing a component use rules_invoke_component(), as this
        * retrieves the component from cache instead.
+       *
        * @param $label
        *   Whether to return only the label or the whole component object.
        * @param $type
        *   Optionally filter for 'action' or 'condition' components.
        * @param $conditions
        *   An array of additional conditions as required by rules_config_load().
+       *
        * @return
        *   An array keyed by component name containing either the label or the config.
        */
       function rules_get_components($label = FALSE, $type = NULL, $conditions = array()) {
         $cache = rules_get_cache();
         $plugins = array_keys(rules_filter_array($cache['plugin_info'], 'component', TRUE));
         $conditions = $conditions + array('plugin' => $plugins);
         $faces = array(
           'action' => 'RulesActionInterface',
           'condition' => 'RulesConditionInterface',
         );
         $items = array();
         foreach (rules_config_load_multiple(FALSE, $conditions) as $name => $config) {
           if (!isset($type) || $config instanceof $faces[$type]) {
             $items[$name] = $label ? $config->label() : $config;
+          }
+        }
         return $items;
+      }
       /**
        * Delete rule configurations from database.
+       *
        * @param $ids
        *   An array of entity IDs.
        */
       function rules_config_delete(array $ids) {
         return entity_get_controller('rules_config')->delete($ids);
+      }
       /**
        * Ensures the configuration's 'dirty' flag is up to date by running an integrity check.
+       *
        * @param $update
        *   (optional) Whether the dirty flag is also updated in the database if
        *   necessary. Defaults to TRUE.
        */
       function rules_config_update_dirty_flag($rules_config, $update = TRUE) {
         // Keep a log of already check configurations to avoid repetitive checks on
         // oftent used components.
         // @see rules_element_invoke_component_validate()
         $checked = &drupal_static(__FUNCTION__, array());
         if (!empty($checked[$rules_config->name])) {
           return;
+        }
         $checked[$rules_config->name] = TRUE;
         $was_dirty = !empty($rules_config->dirty);
         try {
           // First set the rule to dirty, so any repetitive checks give green light
           // for this configuration.
           $rules_config->dirty = FALSE;
           $rules_config->integrityCheck();
           if ($was_dirty) {
             $variables = array('%label' => $rules_config->label(), '%name' => $rules_config->name, '@plugin' => $rules_config->plugin());
             watchdog('rules', 'The @plugin %label (%name) was marked dirty, but passes the integrity check now and is active again.', $variables, WATCHDOG_INFO);
+          }
+        }
         catch (RulesIntegrityException $e) {
           $rules_config->dirty = TRUE;
           if (!$was_dirty) {
             $variables = array('%label' => $rules_config->label(), '%name' => $rules_config->name, '!message' => $e->getMessage(), '@plugin' => $rules_config->plugin());
             watchdog('rules', 'The @plugin %label (%name) fails the integrity check and cannot be executed. Error: !message', $variables, WATCHDOG_ERROR);
+          }
+        }
         // Save the updated dirty flag to the database.
         if ($was_dirty != $rules_config->dirty) {
           db_update('rules_config')
             ->fields(array('dirty' => (int) $rules_config->dirty))
             ->condition('id', $rules_config->id)
             ->execute();
+        }
+      }
       /**
        * Invokes a hook and the associated rules event.
+       *
        * Calling this function does the same as calling module_invoke_all() and
        * rules_invoke_event() separately, however merges both functions into one in
        * order to ease usage and to work efficiently.
+       *
        * @param $hook
        *   The name of the hook / event to invoke.
        * @param ...
        *   Arguments to pass to the hook / event.
+       *
        * @return
        *   An array of return values of the hook implementations. If modules return
        *   arrays from their implementations, those are merged into one array.
        */
       function rules_invoke_all() {
         // Copied code from module_invoke_all().
         $args = func_get_args();
         $hook = $args[0];
         unset($args[0]);
         $return = array();
         foreach (module_implements($hook) as $module) {
           $function = $module . '_' . $hook;
           if (function_exists($function)) {
             $result = call_user_func_array($function, $args);
             if (isset($result) && is_array($result)) {
               $return = array_merge_recursive($return, $result);
+            }
             elseif (isset($result)) {
               $return[] = $result;
+            }
+          }
+        }
         // Invoke the event.
         rules_invoke_event_by_args($hook, $args);
         return $return;
+      }
       /**
        * Invokes configured rules for the given event.
+       *
        * @param $event_name
        *   The event's name.
        * @param ...
        *   Pass parameters for the variables provided by this event, as defined in
        *   hook_rules_event_info(). Example given:
        *   @code
        *     rules_invoke_event('node_view', $node, $view_mode);
        *   @endcode
+       *
        * @see rules_invoke_event_by_args()
        */
       function rules_invoke_event() {
         global $conf;
         $args = func_get_args();
         $event_name = $args[0];
         unset($args[0]);
         // We maintain a whitelist of configured events to reduces the number of cache
         // reads. We access it directly via the global $conf as this is fast without
         // having to introduce another static cache. Then, if the whitelist is unset,
         // we ignore it so cache rebuilding is triggered.
         if (!defined('MAINTENANCE_MODE') && (!isset($conf['rules_event_whitelist']) || isset($conf['rules_event_whitelist'][$event_name])) && $event = rules_get_cache('event_' . $event_name)) {
           $event->executeByArgs($args);
+        }
+      }
       /**
        * Invokes configured rules for the given event.
+       *
        * @param $event_name
        *   The event's name.
        * @param $args
        *   An array of parameters for the variables provided by the event, as defined
        *   in hook_rules_event_info(). Either pass an array keyed by the variable
        *   names or a numerically indexed array, in which case the ordering of the
        *   passed parameters has to match the order of the specified variables.
        *   Example given:
        *   @code
        *     rules_invoke_event_by_args('node_view', array('node' => $node, 'view_mode' => $view_mode));
        *   @endcode
+       *
        * @see rules_invoke_event()
        */
       function rules_invoke_event_by_args($event_name, $args = array()) {
         global $conf;
         // We maintain a whitelist of configured events to reduces the number of cache
         // reads. We access it directly via the global $conf as this is fast without
         // having to introduce another static cache. Then, if the whitelist is unset,
         // we ignore it so cache rebuilding is triggered.
         if (!defined('MAINTENANCE_MODE') && (!isset($conf['rules_event_whitelist']) || isset($conf['rules_event_whitelist'][$event_name])) && $event = rules_get_cache('event_' . $event_name)) {
           $event->executeByArgs($args);
+        }
+      }
       /**
        * Invokes a rule component, e.g. a rule set.
+       *
        * @param $component_name
        *   The component's name.
        * @param $args
        *   Pass further parameters as required for the invoked component.
+       *
        * @return
        *   An array of variables as provided by the component, or FALSE in case the
        *   component could not be executed.
        */
       function rules_invoke_component() {
         $args = func_get_args();
         $name = array_shift($args);
         if ($component = rules_get_cache('comp_' . $name)) {
           return $component->executeByArgs($args);
+        }
         return FALSE;
+      }
       /**
        * Filters the given array of arrays by keeping only entries which have $key set
        * to the value of $value.
+       *
        * @param $array
        *   The array of arrays to filter.
        * @param $key
        *   The key used for the comparison.
        * @param $value
        *   The value to compare the array's entry to.
+       *
        * @return array
        *   The filtered array.
        */
       function rules_filter_array($array, $key, $value) {
         $return = array();
         foreach ($array as $i => $entry) {
           $entry += array($key => NULL);
           if ($entry[$key] == $value) {
             $return[$i] = $entry;
+          }
+        }
         return $return;
+      }
       /**
        * Merges the $update array into $array making sure no values of $array not
        * appearing in $update are lost.
+       *
        * @return
        *   The updated array.
        */
       function rules_update_array(array $array, array $update) {
         foreach ($update as $key => $data) {
           if (isset($array[$key]) && is_array($array[$key]) && is_array($data)) {
             $array[$key] = rules_update_array($array[$key], $data);
+          }
           else {
             $array[$key] = $data;
+          }
+        }
         return $array;
+      }
       /**
        * Extracts the property with the given name.
+       *
        * @param $arrays
        *   An array of arrays from which a property is to be extracted.
        * @param $key
        *   The name of the property to extract.
+       *
        * @return An array of extracted properties, keyed as in $arrays-
        */
       function rules_extract_property($arrays, $key) {
         $data = array();
         foreach ($arrays as $name => $item) {
           $data[$name] = $item[$key];
+        }
         return $data;
+      }
       /**
        * Returns the first key of the array.
        */
       function rules_array_key($array) {
         reset($array);
         return key($array);
+      }
       /**
        * Clean replacements so they are URL friendly.
+       *
        * Can be used as 'cleaning callback' for action or condition parameters.
+       *
        * @param $replacements
        *   An array of token replacements that need to be "cleaned" for use in the URL.
        * @param $data
        *   An array of objects used to generate the replacements.
        * @param $options
        *   An array of options used to generate the replacements.
+       *
        * @see rules_path_action_info()
        */
       function rules_path_clean_replacement_values(&$replacements, $data = array(), $options = array()) {
         // Include path.eval.inc which contains path cleaning functions.
         module_load_include('inc', 'rules', 'modules/path.eval');
         foreach ($replacements as $token => $value) {
           $replacements[$token] = rules_clean_path($value);
+        }
+      }
       /**
        * Implements hook_theme().
        */
       function rules_theme() {
         return array(
           'rules_elements' => array(
             'render element' => 'element',
             'file' => 'ui/ui.theme.inc',
           ),
           'rules_content_group' => array(
             'render element' => 'element',
             'file' => 'ui/ui.theme.inc',
           ),
           'rules_parameter_configuration' => array(
             'render element' => 'element',
             'file' => 'ui/ui.theme.inc',
           ),
           'rules_variable_view' => array(
             'render element' => 'element',
             'file' => 'ui/ui.theme.inc',
           ),
           'rules_data_selector_help' => array(
             'variables' => array('parameter' => NULL, 'variables' => NULL),
             'file' => 'ui/ui.theme.inc',
           ),
           'rules_ui_variable_form' => array(
             'render element' => 'element',
             'file' => 'ui/ui.theme.inc',
           ),
           'rules_log' => array(
             'render element' => 'element',
             'file' => 'ui/ui.theme.inc',
           ),
           'rules_autocomplete' => array(
             'render element' => 'element',
             'file' => 'ui/ui.theme.inc',
           ),
           'rules_debug_element' => array(
             'render element' => 'element',
             'file' => 'ui/ui.theme.inc',
           ),
           'rules_settings_help' => array(
             'variables' => array('text' => '', 'heading' => ''),
             'file' => 'ui/ui.theme.inc',
           ),
         );
+      }
       /**
        * Implements hook_permission().
        */
       function rules_permission() {
         $perms = array(
           'administer rules' => array(
             'title' => t('Administer rule configurations'),
             'description' => t('Administer rule configurations including events, conditions and actions for which the user has sufficient access permissions.'),
           ),
           'bypass rules access' => array(
             'title' => t('Bypass Rules access control'),
             'description' => t('Control all configurations regardless of permission restrictions of events, conditions or actions.'),
             'restrict access' => TRUE,
           ),
           'access rules debug' => array(
             'title' => t('Access the Rules debug log'),
           ),
         );
         // Fetch all components to generate the access keys.
         $conditions['plugin'] = array_keys(rules_filter_array(rules_fetch_data('plugin_info'), 'component', TRUE));
         $conditions['access_exposed'] = 1;
         $components = entity_load('rules_config', FALSE, $conditions);
         $perms += rules_permissions_by_component($components);
         return $perms;
+      }
       /**
        * Helper function to get all the permissions for components that have access exposed.
        */
       function rules_permissions_by_component(array $components = array()) {
         $perms = array();
         foreach ($components as $component) {
           $perms += array(
             "use Rules component $component->name" => array(
               'title' => t('Use Rules component %component', array('%component' => $component->label())),
               'description' => t('Controls access for using the component %component via the provided action or condition. <a href="@component-edit-url">Edit this component.</a>', array('%component' => $component->label(), '@component-edit-url' => url(RulesPluginUI::path($component->name)))),
             ),
           );
+        }
         return $perms;
+      }
       /**
        * Menu callback for loading rules configuration elements.
        * @see RulesUIController::config_menu()
        */
       function rules_element_load($element_id, $config_name) {
         $config = rules_config_load($config_name);
         return $config->elementMap()->lookup($element_id);
+      }
       /**
        * Menu callback for getting the title as configured.
        * @see RulesUIController::config_menu()
        */
       function rules_get_title($text, $element) {
         if ($element instanceof RulesPlugin) {
           $cache = rules_get_cache();
           $plugin = $element->plugin();
           $plugin = isset($cache['plugin_info'][$plugin]['label']) ? $cache['plugin_info'][$plugin]['label'] : $plugin;
           $plugin = drupal_strtolower(drupal_substr($plugin, 0, 1)) . drupal_substr($plugin, 1);
           return t($text, array('!label' => $element->label(), '!plugin' => $plugin));
+        }
         // As fallback treat $element as simple string.
         return t($text, array('!plugin' => $element));
+      }
       /**
        * Menu callback for getting the title for the add element page.
+       *
        * Uses a work-a-round for accessing the plugin name.
        * @see RulesUIController::config_menu()
        */
       function rules_menu_add_element_title($array) {
         $plugin_name = arg($array[0]);
         $cache = rules_get_cache();
         if (isset($cache['plugin_info'][$plugin_name]['class'])) {
           $info = $cache['plugin_info'][$plugin_name] + array('label' => $plugin_name);
           $label = drupal_strtolower(drupal_substr($info['label'], 0, 1)) . drupal_substr($info['label'], 1);
           return t('Add a new !plugin', array('!plugin' => $label));
+        }
+      }
       /**
        * Returns the current region for the debug log.
        */
       function rules_debug_log_region() {
         // If there is no setting for the current theme use the default theme setting.
         global $theme_key;
         $theme_default = variable_get('theme_default', 'bartik');
         return variable_get('rules_debug_region_' . $theme_key, variable_get('rules_debug_region_' . $theme_default, 'help'));
+      }
       /**
        * Implements hook_page_build() to add the rules debug log to the page bottom.
        */
       function rules_page_build(&$page) {
         // Invoke a the page redirect, in case the action has been executed.
         // @see rules_action_drupal_goto()
         if (isset($GLOBALS['_rules_action_drupal_goto_do'])) {
           list($url, $force) = $GLOBALS['_rules_action_drupal_goto_do'];
           drupal_goto($url);
+        }
         if (isset($_SESSION['rules_debug'])) {
           $region = rules_debug_log_region();
           foreach ($_SESSION['rules_debug'] as $log) {
             $page[$region]['rules_debug'][] = array(
               '#markup' => $log,
             );
             $page[$region]['rules_debug']['#theme_wrappers'] = array('rules_log');
+          }
           unset($_SESSION['rules_debug']);
+        }
         if (rules_show_debug_output()) {
           $region = rules_debug_log_region();
           $page[$region]['rules_debug']['#pre_render'] = array('rules_debug_log_pre_render');
+        }
+      }
       /**
        * Pre-render callback for the debug log, which renders and then clears it.
        */
       function rules_debug_log_pre_render($elements) {
         $logger = RulesLog::logger();
         if ($log = $logger->render()) {
           $logger = RulesLog::logger();
           $logger->clear();
           $elements[] = array('#markup' => $log);
           $elements['#theme_wrappers'] = array('rules_log');
           // Log the rules log to the system log if enabled.
           if (variable_get('rules_debug_log', FALSE)) {
             watchdog('rules', 'Rules debug information: !log', array('!log' => $log), WATCHDOG_NOTICE);
+          }
+        }
         return $elements;
+      }
       /**
        * Implements hook_drupal_goto_alter().
+       *
        * @see rules_action_drupal_goto()
        */
       function rules_drupal_goto_alter(&$path, &$options, &$http_response_code) {
         // Invoke a the page redirect, in case the action has been executed.
         if (isset($GLOBALS['_rules_action_drupal_goto_do'])) {
           list($url, $force) = $GLOBALS['_rules_action_drupal_goto_do'];
           if ($force || !isset($_GET['destination'])) {
             $url = drupal_parse_url($url);
             $path = $url['path'];
             $options['query'] = $url['query'];
             $options['fragment'] = $url['fragment'];
             $http_response_code = 302;
+          }
+        }
+      }
       /**
        * Returns whether the debug log should be shown.
        */
       function rules_show_debug_output() {
         if (variable_get('rules_debug', FALSE) == RulesLog::INFO && user_access('access rules debug')) {
           return TRUE;
+        }
         // For performance avoid unnecessary auto-loading of the RulesLog class.
         return variable_get('rules_debug', FALSE) == RulesLog::WARN && user_access('access rules debug') && class_exists('RulesLog', FALSE) && RulesLog::logger()->hasErrors();
+      }
       /**
        * Implements hook_exit().
        */
       function rules_exit() {
         // Bail out if this is cached request and modules are not loaded.
         if (!module_exists('rules') || !module_exists('user')) {
           return;
+        }
         if (rules_show_debug_output()) {
           if ($log = RulesLog::logger()->render()) {
             // Keep the log in the session so we can show it on the next page.
             $_SESSION['rules_debug'][] = $log;
+          }
+        }
         // Log the rules log to the system log if enabled.
         if (variable_get('rules_debug_log', FALSE) && $log = RulesLog::logger()->render()) {
           watchdog('rules', 'Rules debug information: !log', array('!log' => $log), WATCHDOG_NOTICE);
+        }
+      }
       /**
        * Implements hook_element_info().
        */
       function rules_element_info() {
         // A duration form element for rules. Needs ui.forms.inc included.
         $types['rules_duration'] = array(
           '#input' => TRUE,
           '#tree' => TRUE,
           '#default_value' => 0,
           '#value_callback' => 'rules_ui_element_duration_value',
           '#process' => array('rules_ui_element_duration_process', 'ajax_process_form'),
           '#after_build' => array('rules_ui_element_duration_after_build'),
           '#pre_render' => array('form_pre_render_conditional_form_element'),
         );
         $types['rules_data_selection'] = array(
           '#input' => TRUE,
           '#pre_render' => array('form_pre_render_conditional_form_element'),
           '#process' => array('rules_data_selection_process', 'ajax_process_form'),
           '#theme' => 'rules_autocomplete',
         );
         return $types;
+      }
       /**
        * Implements hook_modules_enabled().
        */
       function rules_modules_enabled($modules) {
         // Re-enable Rules configurations that are dirty, because they require one of
         // the enabled the modules.
         $query = db_select('rules_dependencies', 'rd');
         $query->join('rules_config', 'rc', 'rd.id = rc.id');
         $query->fields('rd', array('id'))
               ->condition('rd.module', $modules, 'IN')
               ->condition('rc.dirty', 1);
         $ids = $query->execute()->fetchCol();
         // If there are some configurations that might work again, re-check all dirty
         // configurations as others might work again too, e.g. consider a rule that is
         // dirty because it requires a dirty component.
         if ($ids) {
           $rules_configs = rules_config_load_multiple(FALSE, array('dirty' => 1));
           foreach ($rules_configs as $rules_config) {
             try {
               $rules_config->integrityCheck();
               // If no exceptions were thrown we can set the configuration back to OK.
               db_update('rules_config')
                 ->fields(array('dirty' => 0))
                 ->condition('id', $rules_config->id)
                 ->execute();
               if ($rules_config->active) {
                 drupal_set_message(t('All dependencies for the Rules configuration %config are met again, so it has been re-activated.', array('%config' => $rules_config->label())));
+              }
+            }
             catch (RulesIntegrityException $e) {
               // The rule is still dirty, so do nothing.
+            }
+          }
+        }
         rules_clear_cache();
+      }
       /**
        * Implements hook_modules_disabled().
        */
       function rules_modules_disabled($modules) {
         // Disable Rules configurations that depend on one of the disabled modules.
         $query = db_select('rules_dependencies', 'rd');
         $query->join('rules_config', 'rc', 'rd.id = rc.id');
         $query->fields('rd', array('id'))
               ->distinct()
               ->condition('rd.module', $modules, 'IN')
               ->condition('rc.dirty', 0);
         $ids = $query->execute()->fetchCol();
         if (!empty($ids)) {
           db_update('rules_config')
             ->fields(array('dirty' => 1))
             ->condition('id', $ids, 'IN')
             ->execute();
           // Tell the user about enabled rules that have been marked as dirty.
           $count = db_select('rules_config', 'r')
             ->fields('r')
             ->condition('id', $ids, 'IN')
             ->condition('active', 1)
             ->execute()->rowCount();
           if ($count > 0) {
             $message = format_plural($count,
               '1 Rules configuration requires some of the disabled modules to function and cannot be executed any more.',
               '@count Rules configuration require some of the disabled modules to function and cannot be executed any more.'
             );
             drupal_set_message($message, 'warning');
+          }
+        }
         rules_clear_cache();
+      }
       /**
        * Access callback for dealing with Rules configurations.
+       *
        * @see entity_access()
        */
       function rules_config_access($op, $rules_config = NULL, $account = NULL) {
         if (user_access('bypass rules access', $account)) {
           return TRUE;
+        }
         // Allow modules to grant / deny access.
         $access = module_invoke_all('rules_config_access', $op, $rules_config, $account);
         // Only grant access if at least one module granted access and no one denied
         // access.
         if (in_array(FALSE, $access, TRUE)) {
           return FALSE;
+        }
         elseif (in_array(TRUE, $access, TRUE)) {
           return TRUE;
+        }
         return FALSE;
+      }
       /**
        * Implements hook_rules_config_access().
        */
       function rules_rules_config_access($op, $rules_config = NULL, $account = NULL) {
         // Instead of returning FALSE return nothing, so others still can grant
         // access.
         if (!isset($rules_config) || (isset($account) && $account->uid != $GLOBALS['user']->uid)) {
           return;
+        }
         if (user_access('administer rules', $account) && ($op == 'view' || $rules_config->access())) {
           return TRUE;
+        }
+      }
       /**
        * Implements hook_menu().
        */
       function rules_menu() {
         $items['admin/config/workflow/rules/upgrade'] = array(
           'title' => 'Upgrade',
           'page callback' => 'drupal_get_form',
           'page arguments' => array('rules_upgrade_form'),
           'access arguments' => array('administer rules'),
           'file' => 'includes/rules.upgrade.inc',
           'file path' => drupal_get_path('module', 'rules'),
           'type' => MENU_CALLBACK,
         );
         $items['admin/config/workflow/rules/upgrade/clear'] = array(
           'title' => 'Clear',
           'page callback' => 'drupal_get_form',
           'page arguments' => array('rules_upgrade_confirm_clear_form'),
           'access arguments' => array('administer rules'),
           'file' => 'includes/rules.upgrade.inc',
           'file path' => drupal_get_path('module', 'rules'),
           'type' => MENU_CALLBACK,
         );
         $items['admin/config/workflow/rules/autocomplete_tags'] = array(
           'title' => 'Rules tags autocomplete',
           'page callback' => 'rules_autocomplete_tags',
           'page arguments' => array(5),
           'access arguments' => array('administer rules'),
           'file' => 'ui/ui.forms.inc',
           'type' => MENU_CALLBACK,
         );
         return $items;
+      }
       /**
        * Helper function to keep track of external documentation pages for Rules.
+       *
        * @param $topic
        *   The topic key for used for identifying help pages.
+       *
        * @return
        *   Either a URL for the given page, or the full list of external help pages.
        */
       function rules_external_help($topic = NULL) {
         $help = array(
           'rules' =>                'http://drupal.org/node/298480',
           'terminology' =>          'http://drupal.org/node/1299990',
           'condition-components' => 'http://drupal.org/node/1300034',
           'data-selection' =>       'http://drupal.org/node/1300042',
           'chained-tokens' =>       'http://drupal.org/node/1300042',
           'loops' =>                'http://drupal.org/node/1300058',
           'components' =>           'http://drupal.org/node/1300024',
           'component-types' =>      'http://drupal.org/node/1300024',
           'variables' =>            'http://drupal.org/node/1300024',
           'scheduler' =>            'http://drupal.org/node/1300068',
           'coding' =>               'http://drupal.org/node/878720',
         );
         if (isset($topic)) {
           return isset($help[$topic]) ? $help[$topic] : FALSE;
+        }
         return $help;
+      }
       /**
        * Implements hook_help().
        */
       function rules_help($path, $arg) {
         // Only enable the help if the admin module is active.
         if ($path == 'admin/help#rules' && module_exists('rules_admin')) {
           $output['header'] = array(
             '#markup' => t('Rules documentation is kept online. Please use the links below for more information about Rules. Feel free to contribute to improving the online documentation!'),
           );
           // Build a list of essential Rules help pages, formatted as a bullet list.
           $link_list['rules'] = l(t('Rules introduction'), rules_external_help('rules'));
           $link_list['terminology'] = l(t('Rules terminology'), rules_external_help('terminology'));
           $link_list['scheduler'] = l(t('Rules Scheduler'), rules_external_help('scheduler'));
           $link_list['coding'] = l(t('Coding for Rules'), rules_external_help('coding'));
           $output['topic-list'] = array(
             '#markup' => theme('item_list', array('items' => $link_list)),
           );
           return render($output);
+        }
+      }
       /**
        * Implements hook_token_info().
        */
       function rules_token_info() {
         $cache = rules_get_cache();
         $data_info = $cache['data_info'];
         $types = array('text', 'integer', 'uri', 'token', 'decimal', 'date', 'duration');
         foreach ($types as $type) {
           $token_type = $data_info[$type]['token type'];
           $token_info['types'][$token_type] = array(
             'name' => $data_info[$type]['label'],
             'description' => t('Tokens related to %label Rules variables.', array('%label' => $data_info[$type]['label'])),
             'needs-data' => $token_type,
           );
           $token_info['tokens'][$token_type]['value'] = array(
             'name' => t("Value"),
             'description' => t('The value of the variable.'),
           );
+        }
         return $token_info;
+      }
       /**
        * Implements hook_tokens().
        */
       function rules_tokens($type, $tokens, $data, $options = array()) {
         // Handle replacements of primitive variable types.
         if (substr($type, 0, 6) == 'rules_' && !empty($data[$type])) {
           // Leverage entity tokens token processor by passing on as struct.
           $info['property info']['value'] = array(
             'type' => substr($type, 6),
             'label' => '',
           );
           // Entity tokens uses metadata wrappers as values for 'struct' types.
           $wrapper = entity_metadata_wrapper('struct', array('value' => $data[$type]), $info);
           return entity_token_tokens('struct', $tokens, array('struct' => $wrapper), $options);
+        }
+      }
       /**
        * Helper function that retrieves a metadata wrapper with all properties.
+       *
        * Note that without this helper, bundle-specific properties aren't added.
        */
       function rules_get_entity_metadata_wrapper_all_properties(RulesAbstractPlugin $element) {
         return entity_metadata_wrapper($element->settings['type'], NULL, array(
           'property info alter' => 'rules_entity_metadata_wrapper_all_properties_callback',
         ));
+      }
       /**
        * Callback that returns a metadata wrapper with all properties.
        */
       function rules_entity_metadata_wrapper_all_properties_callback(EntityMetadataWrapper $wrapper, $property_info) {
         $info = $wrapper->info();
         $properties = entity_get_all_property_info($info['type']);
         $property_info['properties'] += $properties;
         return $property_info;
+      }

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root / drupal7 / sites / all / modules / rules / rules.module @ 74f6bef0