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

root / drupal7 / sites / all / modules / feeds / feeds.module @ 651307cd

       <?php
       /**
        * @file
        * Feeds - basic API functions and hook implementations.
        */
       // Common request time, use as point of reference and to avoid calls to time().
       define('FEEDS_REQUEST_TIME', time());
       // Do not schedule a feed for refresh.
       define('FEEDS_SCHEDULE_NEVER', -1);
       // Never expire feed items.
       define('FEEDS_EXPIRE_NEVER', -1);
       // An object that is not persistent. Compare EXPORT_IN_DATABASE, EXPORT_IN_CODE.
       define('FEEDS_EXPORT_NONE', 0x0);
       // Status of batched operations.
       define('FEEDS_BATCH_COMPLETE', 1.0);
       define('FEEDS_BATCH_ACTIVE', 0.0);
       /**
        * @defgroup hooks Hook and callback implementations
        * @{
        */
       /**
        * Implements hook_hook_info().
        */
       function feeds_hook_info() {
         $hooks = array(
           'feeds_plugins',
           'feeds_after_parse',
           'feeds_before_import',
           'feeds_before_update',
           'feeds_presave',
           'feeds_after_save',
           'feeds_after_import',
           'feeds_after_clear',
           'feeds_processor_targets',
           'feeds_processor_targets_alter',
           'feeds_parser_sources_alter',
         );
         return array_fill_keys($hooks, array('group' => 'feeds'));
+      }
       /**
        * Implements hook_cron().
        */
       function feeds_cron() {
         // Expire old log entries.
         db_delete('feeds_log')
           ->condition('request_time', REQUEST_TIME - 604800, '<')
           ->execute();
         // Find importers that need to be rescheduled.
         if (!$importers = feeds_reschedule()) {
           return;
+        }
         // @todo Maybe we should queue this somehow as well. This could be potentially
         // very long.
         $sources = db_query("SELECT feed_nid, id FROM {feeds_source} WHERE id IN (:ids)", array(':ids' => $importers));
         foreach ($sources as $source) {
           feeds_source($source->id, $source->feed_nid)->schedule();
+        }
         feeds_reschedule(FALSE);
+      }
       /**
        * Implements hook_cron_job_scheduler_info().
+       *
        * Compare queue names with key names in feeds_cron_queue_info().
        */
       function feeds_cron_job_scheduler_info() {
         $info = array();
         $info['feeds_source_import'] = array(
           'queue name' => 'feeds_source_import',
         );
         $info['feeds_source_clear'] = array(
           'queue name' => 'feeds_source_clear',
         );
         $info['feeds_source_expire'] = array(
           'queue name' => 'feeds_source_expire',
         );
         $info['feeds_push_unsubscribe'] = array(
           'queue name' => 'feeds_push_unsubscribe',
         );
         return $info;
+      }
       /**
        * Implements hook_cron_queue_info().
        */
       function feeds_cron_queue_info() {
         $queues = array();
         $queues['feeds_source_import'] = array(
           'worker callback' => 'feeds_source_import',
           'time' => 60,
         );
         $queues['feeds_source_clear'] = array(
           'worker callback' => 'feeds_source_clear',
         );
         $queues['feeds_source_expire'] = array(
           'worker callback' => 'feeds_source_expire',
         );
         $queues['feeds_push_unsubscribe'] = array(
           'worker callback' => 'feeds_push_unsubscribe',
         );
         return $queues;
+      }
       /**
        * Scheduler callback for importing from a source.
        */
       function feeds_source_import(array $job) {
         $source = _feeds_queue_worker_helper($job, 'import');
         $source->scheduleImport();
+      }
       /**
        * Scheduler callback for deleting all items from a source.
        */
       function feeds_source_clear(array $job) {
         $source = _feeds_queue_worker_helper($job, 'clear');
         $source->scheduleClear();
+      }
       /**
        * Scheduler callback for expiring content.
        */
       function feeds_source_expire(array $job) {
         $source = _feeds_queue_worker_helper($job, 'expire');
         $source->scheduleExpire();
+      }
       /**
        * Executes a method on a feed source.
+       *
        * @param array $job
        *   The job being run.
        * @param string $method
        *   The method to execute.
        */
       function _feeds_queue_worker_helper(array $job, $method) {
         $source = feeds_source($job['type'], $job['id']);
         try {
           $source->existing()->$method();
+        }
         catch (FeedsNotExistingException $e) {
           // Do nothing.
+        }
         catch (Exception $e) {
           $source->log($method, $e->getMessage(), array(), WATCHDOG_ERROR);
+        }
         return $source;
+      }
       /**
        * Scheduler callback for unsubscribing from PuSH hubs.
        */
       function feeds_push_unsubscribe($job) {
         $source = feeds_source($job['type'], $job['id']);
         $fetcher = feeds_plugin('FeedsHTTPFetcher', $source->importer->id);
         $fetcher->unsubscribe($source);
+      }
       /**
        * Batch API worker callback. Used by FeedsSource::startBatchAPIJob().
+       *
        * @see FeedsSource::startBatchAPIJob().
+       *
        * @todo Harmonize Job Scheduler API callbacks with Batch API callbacks?
+       *
        * @param $method
        *   Method to execute on importer; one of 'import' or 'clear'.
        * @param $importer_id
        *   Identifier of a FeedsImporter object.
        * @param $feed_nid
        *   If importer is attached to content type, feed node id identifying the
        *   source to be imported.
        * @param $context
        *   Batch context.
        */
       function feeds_batch($method, $importer_id, $feed_nid = 0, &$context) {
         $context['finished'] = FEEDS_BATCH_COMPLETE;
         try {
           $context['finished'] = feeds_source($importer_id, $feed_nid)->$method();
+        }
         catch (Exception $e) {
           drupal_set_message($e->getMessage(), 'error');
+        }
+      }
       /**
        * Reschedule one or all importers.
+       *
        * @param string $importer_id
        *   If TRUE, all importers will be rescheduled, if FALSE, no importers will
        *   be rescheduled, if an importer id, only importer of that id will be
        *   rescheduled.
+       *
        * @return array
        *   An list of importers that need rescheduling.
        */
       function feeds_reschedule($importer_id = NULL) {
         $reschedule = variable_get('feeds_reschedule', FALSE);
         if ($importer_id === TRUE || $importer_id === FALSE) {
           $reschedule = $importer_id;
+        }
         elseif (is_string($importer_id) && $reschedule !== TRUE) {
           $reschedule = array_filter((array) $reschedule);
           $reschedule[$importer_id] = $importer_id;
+        }
         if (isset($importer_id)) {
           variable_set('feeds_reschedule', $reschedule);
+        }
         if ($reschedule === TRUE) {
           return feeds_enabled_importers();
+        }
         elseif ($reschedule === FALSE) {
           return array();
+        }
         return $reschedule;
+      }
       /**
        * Implements feeds_permission().
        */
       function feeds_permission() {
         $perms = array(
           'administer feeds' => array(
             'title' => t('Administer Feeds'),
             'description' => t('Create, update, delete importers, execute import and delete tasks on any importer.')
           ),
         );
         foreach (feeds_importer_load_all() as $importer) {
           $perms["import $importer->id feeds"] = array(
             'title' => t('Import @name feeds', array('@name' => $importer->config['name'])),
           );
           $perms["clear $importer->id feeds"] = array(
             'title' => t('Delete items from @name feeds', array('@name' => $importer->config['name'])),
           );
           $perms["unlock $importer->id feeds"] = array(
             'title' => t('Unlock imports from @name feeds', array('@name' => $importer->config['name'])),
             'description' => t('If a feed importation breaks for some reason, users with this permission can unlock them.')
           );
+        }
         return $perms;
+      }
       /**
        * Implements hook_forms().
+       *
        * Declare form callbacks for all known classes derived from FeedsConfigurable.
        */
       function feeds_forms() {
         $forms = array();
         $forms['FeedsImporter_feeds_form']['callback'] = 'feeds_form';
         $plugins = FeedsPlugin::all();
         foreach ($plugins as $plugin) {
           $forms[$plugin['handler']['class'] . '_feeds_form']['callback'] = 'feeds_form';
+        }
         return $forms;
+      }
       /**
        * Implements hook_menu().
        */
       function feeds_menu() {
         $items = array();
         $items['import'] = array(
           'title' => 'Import',
           'page callback' => 'feeds_page',
           'access callback' => 'feeds_page_access',
           'file' => 'feeds.pages.inc',
         );
         $items['import/%feeds_importer'] = array(
           'title callback' => 'feeds_importer_title',
           'title arguments' => array(1),
           'page callback' => 'drupal_get_form',
           'page arguments' => array('feeds_import_form', 1),
           'access callback' => 'feeds_access',
           'access arguments' => array('import', 1),
           'file' => 'feeds.pages.inc',
         );
         $items['import/%feeds_importer/import'] = array(
           'title' => 'Import',
           'type' => MENU_DEFAULT_LOCAL_TASK,
           'weight' => -10,
         );
         $items['import/%feeds_importer/delete-items'] = array(
           'title' => 'Delete items',
           'page callback' => 'drupal_get_form',
           'page arguments' => array('feeds_delete_tab_form', 1),
           'access callback' => 'feeds_access',
           'access arguments' => array('clear', 1),
           'file' => 'feeds.pages.inc',
           'type' => MENU_LOCAL_TASK,
         );
         $items['import/%feeds_importer/unlock'] = array(
           'title' => 'Unlock',
           'page callback' => 'drupal_get_form',
           'page arguments' => array('feeds_unlock_tab_form', 1),
           'access callback' => 'feeds_access',
           'access arguments' => array('unlock', 1),
           'file' => 'feeds.pages.inc',
           'type' => MENU_LOCAL_TASK,
         );
         $items['import/%feeds_importer/template'] = array(
           'page callback' => 'feeds_importer_template',
           'page arguments' => array(1),
           'access callback' => 'feeds_access',
           'access arguments' => array('import', 1),
           'file' => 'feeds.pages.inc',
           'type' => MENU_CALLBACK,
         );
         $items['node/%node/import'] = array(
           'title' => 'Import',
           'page callback' => 'drupal_get_form',
           'page arguments' => array('feeds_import_tab_form', 1),
           'access callback' => 'feeds_access',
           'access arguments' => array('import', 1),
           'file' => 'feeds.pages.inc',
           'type' => MENU_LOCAL_TASK,
           'weight' => 10,
         );
         $items['node/%node/delete-items'] = array(
           'title' => 'Delete items',
           'page callback' => 'drupal_get_form',
           'page arguments' => array('feeds_delete_tab_form', NULL, 1),
           'access callback' => 'feeds_access',
           'access arguments' => array('clear', 1),
           'file' => 'feeds.pages.inc',
           'type' => MENU_LOCAL_TASK,
           'weight' => 11,
         );
         $items['node/%node/unlock'] = array(
           'title' => 'Unlock',
           'page callback' => 'drupal_get_form',
           'page arguments' => array('feeds_unlock_tab_form', NULL, 1),
           'access callback' => 'feeds_access',
           'access arguments' => array('unlock', 1),
           'file' => 'feeds.pages.inc',
           'type' => MENU_LOCAL_TASK,
           'weight' => 11,
         );
         // @todo Eliminate this step and thus eliminate clearing menu cache when
         // manipulating importers.
         foreach (feeds_importer_load_all() as $importer) {
           $items += $importer->fetcher->menuItem();
+        }
         return $items;
+      }
       /**
        * Implements hook_admin_paths().
        */
       function feeds_admin_paths() {
         $paths = array(
           'import' => TRUE,
           'import/*' => TRUE,
           'node/*/import' => TRUE,
           'node/*/delete-items' => TRUE,
           'node/*/log' => TRUE,
         );
         return $paths;
+      }
       /**
        * Menu loader callback.
        */
       function feeds_importer_load($id) {
         try {
           return feeds_importer($id)->existing();
+        }
         catch (FeedsNotExistingException $e) {}
         catch (InvalidArgumentException $e) {}
         return FALSE;
+      }
       /**
        * Title callback.
        */
       function feeds_importer_title(FeedsImporter $importer) {
         return $importer->config['name'];
+      }
       /**
        * Implements hook_theme().
        */
       function feeds_theme() {
         return array(
           'feeds_upload' => array(
             'file' => 'feeds.pages.inc',
             'render element' => 'element',
           ),
           'feeds_source_status' => array(
             'file' => 'feeds.pages.inc',
             'variables' => array(
               'progress_importing' => NULL,
               'progress_clearing' => NULL,
               'imported' => NULL,
               'count' => NULL,
             ),
           ),
         );
+      }
       /**
        * Menu access callback.
+       *
        * @param $action
        *   The action to be performed. Possible values are:
        *   - import
        *   - clear
        *   - unlock
        * @param $param
        *   Node object or FeedsImporter id.
        */
       function feeds_access($action, $param) {
         if (!in_array($action, array('import', 'clear', 'unlock'))) {
           // If $action is not one of the supported actions, we return access denied.
           return FALSE;
+        }
         $importer_id = FALSE;
         if (is_string($param)) {
           $importer_id = $param;
+        }
         elseif ($param instanceof FeedsImporter) {
           $importer_id = $param->id;
+        }
         elseif ($param->type) {
           $importer_id = feeds_get_importer_id($param->type);
+        }
         // Check for permissions if feed id is present, otherwise return FALSE.
         if ($importer_id) {
           if (user_access('administer feeds') || user_access("{$action} {$importer_id} feeds")) {
             return TRUE;
+          }
+        }
         return FALSE;
+      }
       /**
        * Access callback to determine if the user can import Feeds importers.
+       *
        * Feeds imports require an additional access check because they are PHP
        * code and PHP is more locked down than administer feeds.
        */
       function feeds_importer_import_access() {
         return user_access('administer feeds') && user_access('use PHP for settings');
+      }
       /**
        * Menu access callback.
        */
       function feeds_page_access() {
         if (user_access('administer feeds')) {
           return TRUE;
+        }
         foreach (feeds_enabled_importers() as $id) {
           if (user_access("import $id feeds")) {
             return TRUE;
+          }
+        }
         return FALSE;
+      }
       /**
        * Implements hook_exit().
        */
       function feeds_exit() {
         // Process any pending PuSH subscriptions.
         $jobs = feeds_get_subscription_jobs();
         foreach ($jobs as $job) {
           if (!isset($job['fetcher']) || !isset($job['source'])) {
             continue;
+           }
           $job['fetcher']->subscribe($job['source']);
+        }
         if (drupal_static('feeds_log_error', FALSE)) {
           watchdog('feeds', 'Feeds reported errors, visit the Feeds log for details.', array(), WATCHDOG_ERROR, 'admin/reports/dblog/feeds');
+        }
+      }
       /**
        * Implements hook_views_api().
        */
       function feeds_views_api() {
         return array(
           'api' => 3,
           'path' => drupal_get_path('module', 'feeds') . '/views',
         );
+      }
       /**
        * Implements hook_ctools_plugin_api().
        */
       function feeds_ctools_plugin_api($owner, $api) {
         if ($owner == 'feeds' && $api == 'plugins') {
           return array('version' => 1);
+        }
+      }
       /**
        * Implements hook_ctools_plugin_type().
        */
       function feeds_ctools_plugin_type() {
         return array(
           'plugins' => array(
             'cache' => TRUE,
             'use hooks' => TRUE,
             'classes' => array('handler'),
           ),
         );
+      }
       /**
        * Implements hook_feeds_plugins().
        */
       function feeds_feeds_plugins() {
         module_load_include('inc', 'feeds', 'feeds.plugins');
         return _feeds_feeds_plugins();
+      }
       /**
        * Gets the feed_nid for a single entity.
+       *
        * @param int $entity_id
        *   The entity id.
        * @param string $entity_type
        *   The type of entity.
+       *
        * @return int|bool
        *   The feed_nid of the entity, or FALSE if the entity doesn't belong to a
        *   feed.
        */
       function feeds_get_feed_nid($entity_id, $entity_type) {
         return db_query("SELECT feed_nid FROM {feeds_item} WHERE entity_type = :type AND entity_id = :id", array(':type' => $entity_type, ':id' => $entity_id))->fetchField();
+      }
       /**
        * Implements hook_entity_insert().
        */
       function feeds_entity_insert($entity, $type) {
         list($id) = entity_extract_ids($type, $entity);
         feeds_item_info_insert($entity, $id);
+      }
       /**
        * Implements hook_entity_update().
        */
       function feeds_entity_update($entity, $type) {
         list($id) = entity_extract_ids($type, $entity);
         feeds_item_info_save($entity, $id);
+      }
       /**
        * Implements hook_entity_delete().
        */
       function feeds_entity_delete($entity, $type) {
         list($id) = entity_extract_ids($type, $entity);
         // Delete any imported items produced by the source.
         db_delete('feeds_item')
           ->condition('entity_type', $type)
           ->condition('entity_id', $id)
           ->execute();
+      }
       /**
        * Implements hook_node_validate().
        */
       function feeds_node_validate($node, $form, &$form_state) {
         if (!$importer_id = feeds_get_importer_id($node->type)) {
           return;
+        }
         // Keep a copy of the title for subsequent node creation stages.
         // @todo: revisit whether $node still looses all of its properties
         // between validate and insert stage.
         $last_title = &drupal_static('feeds_node_last_title');
         $last_feeds = &drupal_static('feeds_node_last_feeds');
         // On validation stage we are working with a FeedsSource object that is
         // not tied to a nid - when creating a new node there is no
         // $node->nid at this stage.
         $source = feeds_source($importer_id);
         // Node module magically moved $form['feeds'] to $node->feeds :P.
         // configFormValidate may modify $last_feed, smuggle it to update/insert stage
         // through a static variable.
         $last_feeds = $node->feeds;
         $source->configFormValidate($last_feeds);
         // Check if title form element is hidden.
         $title_hidden = (isset($form['title']['#access']) && !$form['title']['#access']);
         // If the node title is empty and the title form element wasn't hidden, try to
         // retrieve the title from the feed.
         if (isset($node->title) && trim($node->title) == '' && !$title_hidden) {
           try {
             $source->addConfig($last_feeds);
             if (!$last_title = $source->preview()->title) {
               throw new Exception();
+            }
+          }
           catch (Exception $e) {
             drupal_set_message($e->getMessage(), 'error');
             form_set_error('title', t('Could not retrieve title from feed.'));
+          }
+        }
+      }
       /**
        * Implements hook_node_presave().
        */
       function feeds_node_presave($node) {
         // Populate $node->title and $node->feed from result of validation phase.
         $last_title = &drupal_static('feeds_node_last_title');
         $last_feeds = &drupal_static('feeds_node_last_feeds');
         if (empty($node->title) && !empty($last_title)) {
           $node->title = $last_title;
+        }
         if (!empty($last_feeds)) {
           $node->feeds = $last_feeds;
+        }
         $last_title = NULL;
         $last_feeds = NULL;
         // Update "changed" value if there was mapped to that.
         if (isset($node->feeds_item->node_changed)) {
           $node->changed = $node->feeds_item->node_changed;
+        }
+      }
       /**
        * Implements hook_node_insert().
        */
       function feeds_node_insert($node) {
         // Source attached to node.
         feeds_node_update($node);
         if (isset($node->feeds) && $importer_id = feeds_get_importer_id($node->type)) {
           $source = feeds_source($importer_id, $node->nid);
           // Start import if requested.
           if (feeds_importer($importer_id)->config['import_on_create'] && !isset($node->feeds['suppress_import'])) {
             $source->startImport();
+          }
           // Schedule the source.
           $source->schedule();
+        }
+      }
       /**
        * Implements hook_node_update().
        */
       function feeds_node_update($node) {
         // Source attached to node.
         if (isset($node->feeds) && $importer_id = feeds_get_importer_id($node->type)) {
           $source = feeds_source($importer_id, $node->nid);
           $source->addConfig($node->feeds);
           $source->save();
+        }
+      }
       /**
        * Implements hook_node_delete().
        */
       function feeds_node_delete($node) {
         // Source attached to node.
         // Make sure we don't leave any orphans behind: Do not use
         // feeds_get_importer_id() to determine importer id as the importer may have
         // been deleted.
         if ($importer_id = db_query("SELECT id FROM {feeds_source} WHERE feed_nid = :nid", array(':nid' => $node->nid))->fetchField()) {
           feeds_source($importer_id, $node->nid)->delete();
+        }
+      }
       /**
        * Implements hook_form_BASE_FORM_ID_alter().
        */
       function feeds_form_node_form_alter(&$form, $form_state) {
         if ($importer_id = feeds_get_importer_id($form['#node']->type)) {
           // Enable uploads.
           $form['#attributes']['enctype'] = 'multipart/form-data';
           // Build form.
           $source = feeds_source($importer_id, empty($form['#node']->nid) ? 0 : $form['#node']->nid);
           $form['feeds'] = array(
             '#type' => 'fieldset',
             '#title' => t('Feed'),
             '#tree' => TRUE,
             '#weight' => 0,
           );
           $form['feeds'] += $source->configForm($form_state);
           $form['#feed_id'] = $importer_id;
           // If the parser has support for delivering a source title, set node title
           // to not required and try to retrieve it from the source if the node title
           // is left empty by the user.
           // @see feeds_node_validate()
           if (isset($form['title']) && $source->importer()->parser->providesSourceTitle()) {
             $form['title']['#required'] = FALSE;
+          }
+        }
+      }
       /**
        * Implements hook_field_extra_fields().
        */
       function feeds_field_extra_fields() {
         $extras = array();
         foreach (node_type_get_names() as $type => $name) {
           if (feeds_get_importer_id($type)) {
             $extras['node'][$type]['form']['feeds'] = array(
               'label' => t('Feed'),
               'description' => t('Feeds module form elements'),
               'weight' => 0,
             );
+          }
+        }
         return $extras;
+      }
       /**
        * Implements hook_features_pipe_COMPONENT_alter() for component "feeds_importer".
+       *
        * Automatically adds dependencies when a Feed importer is selected in Features.
        */
       function feeds_features_pipe_feeds_importer_alter(&$pipe, $data, &$export) {
         foreach ($data as $importer_id) {
           if ($importer = feeds_importer_load($importer_id)) {
             $export['dependencies'] = array_merge($export['dependencies'], $importer->dependencies());
+          }
+        }
+      }
       /**
        * Implements hook_system_info_alter().
+       *
        * Goes through a list of all modules that provide Feeds plugins and makes them
        * required if there are any importers using those plugins.
        */
       function feeds_system_info_alter(array &$info, $file, $type) {
         if ($type !== 'module' || !module_hook($file->name, 'feeds_plugins')) {
           return;
+        }
         // Don't make Feeds require itself, otherwise you can't disable Feeds until
         // all importers are deleted.
         if ($file->name === 'feeds' || !function_exists('ctools_include')) {
           return;
+        }
         // Get the plugins that belong to the current module.
         ctools_include('plugins');
         $module_plugins = array();
         foreach (ctools_get_plugins('feeds', 'plugins') as $plugin_id => $plugin) {
           if ($file->name === $plugin['module']) {
             $module_plugins[$plugin_id] = TRUE;
+          }
+        }
         // Check if any importers are using any plugins from the current module.
         foreach (feeds_importer_load_all(TRUE) as $importer) {
           // Skip importers that are defined in code and are provided by the current
           // module. This ensures that modules that define both an importer and a
           // plugin can still be disabled.
           if ($importer->export_type == EXPORT_IN_CODE) {
             $configs = ctools_export_load_object('feeds_importer', 'names', array($importer->id));
             if (isset($configs[$importer->id]) && $configs[$importer->id]->export_module === $file->name) {
               continue;
+            }
+          }
           $configuration = $importer->getConfig();
           foreach (array('fetcher', 'parser', 'processor') as $plugin_type) {
             $plugin_key = $configuration[$plugin_type]['plugin_key'];
             if (isset($module_plugins[$plugin_key])) {
               $info['required'] = TRUE;
               break 2;
+            }
+          }
+        }
         if (empty($info['required'])) {
           return;
+        }
         if (module_exists('feeds_ui') && user_access('administer feeds')) {
           $info['explanation'] = t('Feeds is currently using this module for one or more <a href="@link">importers</a>', array('@link' => url('admin/structure/feeds')));
+        }
         else {
           $info['explanation'] = t('Feeds is currently using this module for one or more importers');
+        }
+      }
       /**
        * Implements hook_module_implements_alter().
        */
       function feeds_module_implements_alter(array &$implementations, $hook) {
         if ($hook === 'feeds_processor_targets_alter') {
           // We need two implementations of this hook, so we add one that gets
           // called first, and move the normal one to last.
           $implementations = array('_feeds' => FALSE) + $implementations;
           // Move normal implementation to last.
           $group = $implementations['feeds'];
           unset($implementations['feeds']);
           $implementations['feeds'] = $group;
+        }
+      }
       /**
        * Implements hook_feeds_processor_targets_alter().
+       *
        * @see feeds_feeds_processor_targets()
        * @see feeds_feeds_processor_targets_alter()
        */
       function _feeds_feeds_processor_targets_alter(array &$targets, $entity_type, $bundle) {
         // If hook_feeds_processor_targets() hasn't been called, for instance, by
         // older processors, invoke it ourself.
         if (!drupal_static('feeds_feeds_processor_targets', FALSE)) {
           $targets += module_invoke_all('feeds_processor_targets', $entity_type, $bundle);
+        }
+      }
       /**
        * Implements hook_flush_caches().
        */
       function feeds_flush_caches() {
         // The update to add the table needs to have run. Taken from
         // https://www.drupal.org/node/2511858
         include_once DRUPAL_ROOT . '/includes/install.inc';
         if (drupal_get_installed_schema_version('feeds') >= 7212) {
           return array('cache_feeds_http');
+        }
         return array();
+      }
       /**
        * Implements hook_admin_menu_output_build().
+       *
        * Shows available importers in the "Content" section of the admin menu.
        * Requires the "admin_menu" module to be enabled.
        */
       function feeds_admin_menu_output_build(array &$content) {
         // Add new top-level item to the menu.
         if (!isset($content['menu'])) {
           return;
+        }
         $access = FALSE;
         foreach (feeds_enabled_importers() as $importer_id) {
           if (user_access('administer feeds') || user_access("import $importer_id feeds")) {
             $access = TRUE;
             break;
+          }
+        }
         if (!$access) {
           return;
+        }
         $content['menu']['admin/content']['admin/content/feeds_import'] = array(
           '#title' => t('Import'),
           '#href' => 'import',
         );
         foreach (feeds_importer_load_all() as $importer) {
           $content['menu']['admin/content']['admin/content/feeds_import'][$importer->id] = array(
             '#title' => t($importer->config['name']),
             '#href' => !empty($importer->config['content_type']) ? 'node/add/' . $importer->config['content_type'] : 'import/' . check_plain($importer->id),
             '#access' => user_access('administer feeds') || user_access("import $importer->id feeds"),
           );
+        }
+      }
       /**
        * Implements hook_menu_local_tasks_alter().
+       *
        * Adds "Import" link as local action on content overview page.
        */
       function feeds_menu_local_tasks_alter(&$data, $router_item, $root_path) {
         if ($root_path == 'admin/content') {
           $data['actions']['output'][] = array(
             '#theme' => 'menu_local_task',
             '#link' => array(
               'title' => t('Import'),
               'href' => 'import',
               'localized_options' => array(
                 'attributes' => array(
                   'title' => t('Import'),
                 ),
               ),
             ),
             '#access' => feeds_page_access(),
             // Add weight so it appears after the local action "Add content".
             '#weight' => 1,
           );
+        }
+      }
       /**
        * @}
        */
       /**
        * @defgroup utility Utility functions
        * @{
        */
       /**
        * Loads all importers.
+       *
        * @param $load_disabled
        *   Pass TRUE to load all importers, enabled or disabled, pass FALSE to only
        *   retrieve enabled importers.
+       *
        * @return
        *   An array of all feed configurations available.
        */
       function feeds_importer_load_all($load_disabled = FALSE) {
         $feeds = array();
         // This function can get called very early in install process through
         // menu_router_rebuild(). Do not try to include CTools if not available.
         if (function_exists('ctools_include')) {
           ctools_include('export');
           $configs = ctools_export_load_object('feeds_importer', 'all');
           foreach ($configs as $config) {
             if (!empty($config->id) && ($load_disabled || empty($config->disabled))) {
               $feeds[$config->id] = feeds_importer($config->id);
+            }
+          }
           uasort($feeds, 'feeds_importer_name_sort');
+        }
         return $feeds;
+      }
       /**
        * Sorts importers by name.
+       *
        * Callback for uasort().
+       *
        * @param FeedsImporter $a
        *   The first FeedsImporter for comparison.
        * @param FeedsImporter $b
        *   The second FeedsImporter for comparison.
+       *
        * @return int
        *   The comparison result for uasort().
        */
       function feeds_importer_name_sort(FeedsImporter $a, FeedsImporter $b) {
         return strcasecmp($a->config['name'], $b->config['name']);
+      }
       /**
        * Gets an array of enabled importer ids.
+       *
        * @return
        *   An array where the values contain ids of enabled importers.
        */
       function feeds_enabled_importers() {
         return array_keys(_feeds_importer_digest());
+      }
       /**
        * Gets an enabled importer configuration by content type.
+       *
        * @param $content_type
        *   A node type string.
+       *
        * @return
        *   A FeedsImporter id if there is an importer for the given content type,
        *   FALSE otherwise.
        */
       function feeds_get_importer_id($content_type) {
         $importers = array_flip(_feeds_importer_digest());
         return isset($importers[$content_type]) ? $importers[$content_type] : FALSE;
+      }
       /**
        * Helper function for feeds_get_importer_id() and feeds_enabled_importers().
        */
       function _feeds_importer_digest() {
         $importers = &drupal_static(__FUNCTION__);
         if ($importers === NULL) {
           if ($cache = cache_get(__FUNCTION__)) {
             $importers = $cache->data;
+          }
           else {
             $importers = array();
             foreach (feeds_importer_load_all() as $importer) {
               $importers[$importer->id] = isset($importer->config['content_type']) ? $importer->config['content_type'] : '';
+            }
             cache_set(__FUNCTION__, $importers);
+          }
+        }
         return $importers;
+      }
       /**
        * Resets importer caches. Call when enabling/disabling importers.
        */
       function feeds_cache_clear($rebuild_menu = TRUE) {
         cache_clear_all('_feeds_importer_digest', 'cache');
         drupal_static_reset('_feeds_importer_digest');
         cache_clear_all('plugins:feeds:plugins', 'cache');
         ctools_include('export');
         ctools_export_load_object_reset('feeds_importer');
         drupal_static_reset('_node_types_build');
         if ($rebuild_menu) {
           menu_rebuild();
+        }
+      }
       /**
        * Exports a FeedsImporter configuration to code.
        */
       function feeds_export($importer_id, $indent = '') {
         ctools_include('export');
         $result = ctools_export_load_object('feeds_importer', 'names', array('id' => $importer_id));
         if (isset($result[$importer_id])) {
           return ctools_export_object('feeds_importer', $result[$importer_id], $indent);
+        }
+      }
       /**
        * Logs to a file like /tmp/feeds_my_domain_org.log in temporary directory.
        */
       function feeds_dbg($msg) {
         if (variable_get('feeds_debug', FALSE)) {
           if (!is_string($msg)) {
             $msg = var_export($msg, TRUE);
+          }
           $filename = trim(str_replace('/', '_', $_SERVER['HTTP_HOST'] . base_path()), '_');
           $handle = fopen("temporary://feeds_$filename.log", 'a');
           fwrite($handle, gmdate('c') . "\t$msg\n");
           fclose($handle);
+        }
+      }
       /**
        * Writes to feeds log.
        */
       function feeds_log($importer_id, $feed_nid, $type, $message, $variables = array(), $severity = WATCHDOG_NOTICE) {
         if ($severity < WATCHDOG_NOTICE) {
           $error = &drupal_static('feeds_log_error', FALSE);
           $error = TRUE;
+        }
         db_insert('feeds_log')
           ->fields(array(
             'id' => $importer_id,
             'feed_nid' => $feed_nid,
             'log_time' => time(),
             'request_time' => REQUEST_TIME,
             'type' => $type,
             'message' => $message,
             'variables' => serialize($variables),
             'severity' => $severity,
           ))
           ->execute();
+      }
       /**
        * Loads an item info object.
+       *
        * Example usage:
+       *
        * $info = feeds_item_info_load('node', $node->nid);
        */
       function feeds_item_info_load($entity_type, $entity_id) {
         return db_select('feeds_item')
           ->fields('feeds_item')
           ->condition('entity_type', $entity_type)
           ->condition('entity_id', $entity_id)
           ->execute()
           ->fetchObject();
+      }
       /**
        * Inserts an item info object into the feeds_item table.
        */
       function feeds_item_info_insert($entity, $entity_id) {
         if (isset($entity->feeds_item)) {
           $entity->feeds_item->entity_id = $entity_id;
           drupal_write_record('feeds_item', $entity->feeds_item);
+        }
+      }
       /**
        * Inserts or updates an item info object in the feeds_item table.
        */
       function feeds_item_info_save($entity, $entity_id) {
         if (isset($entity->feeds_item)) {
           $entity->feeds_item->entity_id = $entity_id;
           if (feeds_item_info_load($entity->feeds_item->entity_type, $entity_id)) {
             drupal_write_record('feeds_item', $entity->feeds_item, array('entity_type', 'entity_id'));
+          }
           else {
             feeds_item_info_insert($entity, $entity_id);
+          }
+        }
+      }
       /**
        * @}
        */
       /**
        * @defgroup instantiators Instantiators
        * @{
        */
       /**
        * Gets an importer instance.
+       *
        * @param $id
        *   The unique id of the importer object.
+       *
        * @return
        *   A FeedsImporter object or an object of a class defined by the Drupal
        *   variable 'feeds_importer_class'. There is only one importer object
        *   per $id system-wide.
        */
       function feeds_importer($id) {
         return FeedsConfigurable::instance(variable_get('feeds_importer_class', 'FeedsImporter'), $id);
+      }
       /**
        * Gets an instance of a source object.
+       *
        * @param $importer_id
        *   A FeedsImporter id.
        * @param $feed_nid
        *   The node id of a feed node if the source is attached to a feed node.
+       *
        * @return
        *   A FeedsSource object or an object of a class defiend by the Drupal
        *   variable 'source_class'.
        */
       function feeds_source($importer_id, $feed_nid = 0) {
         return FeedsSource::instance($importer_id, $feed_nid);
+      }
       /**
        * Gets an instance of a class for a given plugin and id.
+       *
        * @param string $plugin
        *   A string that is the key of the plugin to load.
        * @param string $id
        *   A string that is the id of the object.
+       *
        * @return FeedsPlugin
        *   A FeedsPlugin object.
        */
       function feeds_plugin($plugin, $id) {
         ctools_include('plugins');
         if ($class = ctools_plugin_load_class('feeds', 'plugins', $plugin, 'handler')) {
           return FeedsPlugin::instance($class, $id, ctools_get_plugins('feeds', 'plugins', $plugin));
+        }
         $args = array('%plugin' => $plugin, '@id' => $id);
         if (user_access('administer feeds')) {
           if (module_exists('feeds_ui')) {
             $args['@link'] = url('admin/structure/feeds/' . $id);
             drupal_set_message(t('Missing Feeds plugin %plugin. See <a href="@link">@id</a>. Check whether all required libraries and modules are installed properly.', $args), 'warning', FALSE);
+          }
           else {
             drupal_set_message(t('Missing Feeds plugin %plugin used by the importer "@id". Check whether all required libraries and modules are installed properly. Enable the Feeds Admin UI module to check the importer\'s settings.', $args), 'warning', FALSE);
+          }
+        }
         else {
           drupal_set_message(t('Missing Feeds plugin %plugin. Please contact your site administrator.', $args), 'warning', FALSE);
+        }
         $class = ctools_plugin_load_class('feeds', 'plugins', 'FeedsMissingPlugin', 'handler');
         return FeedsPlugin::instance($class, $id);
+      }
       /**
        * @}
        */
       /**
        * @defgroup include Funtions for loading libraries
        * @{
        */
       /**
        * Includes a library file.
+       *
        * @param string $file
        *   The filename to load from.
        * @param string $library
        *   The name of the library. If libraries module is installed,
        *   feeds_include_library() will look for libraries with this name managed by
        *   libraries module.
        */
       function feeds_include_library($file, $library) {
         static $included = array();
         $key = $library . '/' . $file;
         if (!isset($included[$key])) {
           $included[$key] = FALSE;
           $library_dir = variable_get('feeds_library_dir', FALSE);
           $feeds_library_path = DRUPAL_ROOT . '/' . drupal_get_path('module', 'feeds') . "/libraries/$file";
           $libraries_path = module_exists('libraries') ? libraries_get_path($library) : FALSE;
           // Try first whether libraries module is present and load the file from
           // there. If this fails, require the library from the local path.
           if ($libraries_path && is_file("$libraries_path/$file")) {
             require "$libraries_path/$file";
             $included[$key] = TRUE;
+          }
           elseif (is_file(DRUPAL_ROOT . '/sites/all/libraries/' . $key)) {
             require DRUPAL_ROOT . '/sites/all/libraries/' . $key;
             $included[$key] = TRUE;
+          }
           elseif ($library_dir && is_file($library_dir . '/' . $key)) {
             require $library_dir . '/' . $key;
             $included[$key] = TRUE;
+          }
           elseif (is_file($feeds_library_path)) {
             // @todo: Throws "Deprecated function: Assigning the return value of new
             // by reference is deprecated."
             require $feeds_library_path;
             $included[$key] = TRUE;
+          }
+        }
         return $included[$key];
+      }
       /**
        * Checks whether a library is present.
+       *
        * @param string $file
        *   The filename to load from.
        * @param string $library
        *   The name of the library. If libraries module is installed,
        *   feeds_library_exists() will look for libraries with this name managed by
        *   libraries module.
        */
       function feeds_library_exists($file, $library) {
         $path = module_exists('libraries') ? libraries_get_path($library) : FALSE;
         if ($path && is_file($path . '/' . $file)) {
           return TRUE;
+        }
         elseif (is_file(DRUPAL_ROOT . "/sites/all/libraries/$library/$file")) {
           return TRUE;
+        }
         elseif (is_file(DRUPAL_ROOT . '/' . drupal_get_path('module', 'feeds') . "/libraries/$file")) {
           return TRUE;
+        }
         elseif ($library_dir = variable_get('feeds_library_dir', FALSE)) {
           if (is_file("$library_dir/$library/$file")) {
             return TRUE;
+          }
+        }
         return FALSE;
+      }
        /**
        * Checks whether simplepie exists.
        */
       function feeds_simplepie_exists() {
         return (
           feeds_library_exists('autoloader.php', 'simplepie') ||
           feeds_library_exists('simplepie.compiled.php', 'simplepie') ||
           feeds_library_exists('simplepie.mini.php', 'simplepie') ||
           feeds_library_exists('simplepie.inc', 'simplepie')
         );
+      }
       /**
        * Includes the simplepie library.
        */
       function feeds_include_simplepie() {
         $files = array(
           'autoloader.php',
           'simplepie.mini.php',
           'simplepie.compiled.php',
           'simplepie.inc',
         );
         foreach ($files as $file) {
           if (feeds_include_library($file, 'simplepie')) {
             return TRUE;
+          }
+        }
         return FALSE;
+      }
       /**
        * @deprecated
+       *
        * Simplified drupal_alter().
+       *
        * - None of that 'multiple parameters by ref' crazyness.
        * - Don't use module_implements() to allow hot including on behalf
        *   implementations (see mappers/).
+       *
        * @todo This needs to be removed and drupal_alter() used. This is crazy dumb.
        */
       function feeds_alter($type, &$data) {
         $args = array(&$data);
         $additional_args = func_get_args();
         array_shift($additional_args);
         array_shift($additional_args);
         $args = array_merge($args, $additional_args);
         $hook = $type . '_alter';
         foreach (module_list() as $module) {
           if (module_hook($module, $hook)) {
             call_user_func_array($module . '_' . $hook, $args);
+          }
+        }
+      }
       /**
        * @}
        */
       /**
        * Copy of valid_url() that supports the webcal scheme.
+       *
        * @see valid_url().
+       *
        * @todo Replace with valid_url() when http://drupal.org/node/295021 is fixed.
        */
       function feeds_valid_url($url, $absolute = FALSE) {
         if ($absolute) {
           return (bool) preg_match("
             /^                                                      # Start at the beginning of the text
             (?:ftp|https?|feed|webcal):\/\/                         # Look for ftp, http, https, feed or webcal schemes
             (?:                                                     # Userinfo (optional) which is typically
               (?:(?:[\w\.\-\+!$&'\(\)*\+,;=]|%[0-9a-f]{2})+:)*      # a username or a username and password
               (?:[\w\.\-\+%!$&'\(\)*\+,;=]|%[0-9a-f]{2})+@          # combination
             )?
             (?:
               (?:[a-z0-9\-\.]|%[0-9a-f]{2})+                        # A domain name or a IPv4 address
               |(?:\[(?:[0-9a-f]{0,4}:)*(?:[0-9a-f]{0,4})\])         # or a well formed IPv6 address
+            )
             (?::[0-9]+)?                                            # Server port number (optional)
             (?:[\/|\?]
               (?:[|\w#!:\.\?\+=&@$'~*,;\/\(\)\[\]\-]|%[0-9a-f]{2})   # The path and query (optional)
             *)?
           $/xi", $url);
+        }
         else {
           return (bool) preg_match("/^(?:[\w#!:\.\?\+=&@$'~*,;\/\(\)\[\]\-]|%[0-9a-f]{2})+$/i", $url);
+        }
+      }
       /**
        * Registers a feed subscription job for execution on feeds_exit().
+       *
        * @param array $job
        *   Information about a new job to queue; or if set to NULL (default), leaves
        *   the current queued jobs unchanged.
+       *
        * @return
        *   An array of subscribe jobs to process.
+       *
        * @see feeds_exit()
        * @see feeds_get_subscription_jobs()
        */
       function feeds_set_subscription_job(array $job = NULL) {
         $jobs = &drupal_static(__FUNCTION__, array());
         if (isset($job)) {
           $jobs[] = $job;
+        }
         return $jobs;
+      }
       /**
        * Returns the list of queued jobs to be run.
+       *
        * @return
        *   An array of subscribe jobs to process.
+       *
        * @see feeds_set_subscription_job()
        */
       function feeds_get_subscription_jobs() {
         return feeds_set_subscription_job();
+      }
       /**
        * Implements hook_entity_property_info_alter().
        */
       function feeds_entity_property_info_alter(&$info) {
         foreach ($info as $entity_type => $entity_info) {
           $info[$entity_type]['properties']['feed_nid'] = array(
             'label' => 'Feed NID',
             'type' => 'integer',
             'description' => t('Nid of the Feed Node that imported this entity.'),
             'getter callback' => 'feeds_get_feed_nid_entity_callback',
           );
           $info[$entity_type]['properties']['feed_node'] = array(
             'label' => 'Feed node',
             'type' => 'node',
             'description' => t('Feed Node that imported this entity.'),
             'getter callback' => 'feeds_get_feed_nid_entity_callback',
           );
+        }
+      }
       /**
        * Gets the feed_nid for an entity for use in entity metadata.
        */
       function feeds_get_feed_nid_entity_callback($entity, array $options, $name, $entity_type) {
         list($entity_id, , ) = entity_extract_ids($entity_type, $entity);
         $feed_nid = NULL;
         if ($entity_id) {
           $feed_nid = feeds_get_feed_nid($entity_id, $entity_type);
           if ($feed_nid === FALSE) {
             return NULL;
+          }
+        }
         // If the entity has no ID (yet) try read the feed nid from the object
         // directly.
         elseif (isset($entity->feeds_item->feed_nid)) {
           $feed_nid = $entity->feeds_item->feed_nid;
+        }
         return $feed_nid;
+      }
       /**
        * Implements hook_file_download().
        */
       function feeds_file_download($uri) {
         $id = db_query("SELECT id FROM {feeds_source} WHERE source = :uri", array(':uri' => $uri))->fetchField();
         if (!$id) {
           // File is not associated with a feed.
           return;
+        }
          // Get the file record based on the URI. If not in the database just return.
         $files = file_load_multiple(array(), array('uri' => $uri));
         foreach ($files as $item) {
           // Since some database servers sometimes use a case-insensitive comparison
           // by default, double check that the filename is an exact match.
           if ($item->uri === $uri) {
             $file = $item;
             break;
+          }
+        }
         if (!isset($file)) {
           return;
+        }
         // Check if this file belongs to Feeds.
         $usage_list = file_usage_list($file);
         if (!isset($usage_list['feeds'])) {
           return;
+        }
         if (!feeds_access('import', $id)) {
           // User does not have permission to import this feed.
           return -1;
+        }
         // Return file headers.
         return file_get_content_headers($file);
+      }
       /**
        * Feeds API version.
        */
       function feeds_api_version() {
         $version = feeds_ctools_plugin_api('feeds', 'plugins');
         return $version['version'];
+      }

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