/drupal7/sites/all/modules/entity/includes/entity.wrapper.inc - Annoter - Club Drupal - Forge Centrale Marseille

root / drupal7 / sites / all / modules / entity / includes / entity.wrapper.inc @ 3aa14731

-ad3d82
+<?php
 /**
  * @file
  * Provides wrappers allowing easy usage of the entity metadata.
  */
 /**
  * A common base class for all wrappers.
  */
 abstract class EntityMetadataWrapper {
   protected $type;
   protected $data;
   protected $info;
   protected $cache = array();
   /**
    * Construct a new wrapper object.
+   *
    * @param $type
    *   The type of the passed data.
    * @param $data
    *   Optional. The data to wrap.
    * @param $info
    *   Optional. Used internally to pass info about properties down the tree.
    */
   public function __construct($type, $data = NULL, $info = array()) {
     $this->type = $type;
     $this->info = $info + array(
       'langcode' => NULL,
     );
     $this->info['type'] = $type;
     if (isset($data)) {
       $this->set($data);
+    }
+  }
   /**
    * Gets info about the wrapped data.
+   *
    * @return Array
    *   Keys set are all keys as specified for a property in hook_entity_info()
    *   as well as possible the following keys:
    *    - name: If this wraps a property, the name of the property.
    *    - parent: The parent wrapper, if any.
    *    - langcode: The language code, if this data is language specific.
    */
   public function info() {
     return $this->info;
+  }
   /**
    * Gets the (entity)type of the wrapped data.
    */
   public function type() {
     return $this->type;
+  }
   /**
    * Returns the wrapped data. If no options are given the data is returned as
    * described in the info.
+   *
    * @param $options
    *   (optional) A keyed array of options:
    *   - sanitize: A boolean flag indicating that textual properties should be
    *     sanitized for display to a web browser. Defaults to FALSE.
    *   - decode: If set to TRUE and some textual data is already sanitized, it
    *     strips HTML tags and decodes HTML entities. Defaults to FALSE.
+   *
    *  @return
    *    The value of the wrapped data. If the data property is not set, NULL
    *    is returned.
+   *
    *  @throws EntityMetadataWrapperException
    *    In case there are no data values available to the wrapper, an exception
    *    is thrown. E.g. if the value for an entity property is to be retrieved
    *    and there is no entity available, the exception is thrown. However, if
    *    an entity is available but the property is not set, NULL is returned.
    */
   public function value(array $options = array()) {
     if (!$this->dataAvailable() && isset($this->info['parent'])) {
       throw new EntityMetadataWrapperException('Missing data values.');
+    }
     if (!isset($this->data) && isset($this->info['name'])) {
       $this->data = $this->info['parent']->getPropertyValue($this->info['name'], $this->info);
+    }
     return $this->data;
+  }
   /**
    * Returns the raw, unprocessed data. Most times this is the same as returned
    * by value(), however for already processed and sanitized textual data, this
    * will return the unprocessed data in contrast to value().
    */
   public function raw() {
     if (!$this->dataAvailable()) {
       throw new EntityMetadataWrapperException('Missing data values.');
+    }
     if (isset($this->info['name']) && isset($this->info['parent'])) {
       return $this->info['parent']->getPropertyRaw($this->info['name'], $this->info);
+    }
     // Else return the usual value, which should be raw in this case.
     return $this->value();
+  }
   /**
    * Returns whether data is available to work with.
+   *
    * @return
    *   If we operate without any data FALSE, else TRUE.
    */
   protected function dataAvailable() {
     return isset($this->data) || (isset($this->info['parent']) && $this->info['parent']->dataAvailable());
+  }
   /**
    * Set a new data value.
    */
   public function set($value) {
     if (!$this->validate($value)) {
-e46405
+      throw new EntityMetadataWrapperException(t('Invalid data value given. Be sure it matches the required data type and format. Value at !location: !value.', array(
         // An exception's message is output through check_plain().
         '!value' => is_array($value) || is_object($value) ? var_export($value) : $value,
         '!location' => $this->debugIdentifierLocation(),
       )));
-ad3d82
+            Assos Assos
     $this->clear();
     $this->data = $value;
     $this->updateParent($value);
     return $this;
+  }
   /**
    * Updates the parent data structure of a data property with the latest data value.
    */
   protected function updateParent($value) {
     if (isset($this->info['parent'])) {
       $this->info['parent']->setProperty($this->info['name'], $value);
+    }
+  }
   /**
    * Returns whether $value is a valid value to set.
    */
   public function validate($value) {
     if (isset($value) && !entity_property_verify_data_type($value, $this->type)) {
       return FALSE;
+    }
     // Only proceed with further checks if this is not a list item. If this is
     // a list item, the checks are performed on the list property level.
     if (isset($this->info['parent']) && $this->info['parent'] instanceof EntityListWrapper) {
       return TRUE;
+    }
     if (!isset($value) && !empty($this->info['required'])) {
       // Do not allow NULL values if the property is required.
       return FALSE;
+    }
     return !isset($this->info['validation callback']) || call_user_func($this->info['validation callback'], $value, $this->info);
+  }
   public function __toString() {
     return isset($this->info) ? 'Property ' . $this->info['name'] : $this->type;
+  }
   /**
    * Clears the data value and the wrapper cache.
    */
   protected function clear() {
     $this->data = NULL;
     foreach ($this->cache as $wrapper) {
       $wrapper->clear();
+    }
+  }
   /**
    * Returns the options list specifying possible values for the property, if
    * defined.
+   *
    * @param $op
    *   (optional) One of 'edit' or 'view'. In case the list of possible values
    *   a user could set for a property differs from the list of values a
    *   property could have, $op determines which options should be returned.
    *   Defaults to 'edit'.
    *   E.g. all possible roles a user could have include the anonymous and the
    *   authenticated user roles, while those roles cannot be added to a user
    *   account. So their options would be included for 'view', but for 'edit'
    *   not.
+   *
    * @return
    *   An array as used by hook_options_list() or FALSE.
    */
   public function optionsList($op = 'edit') {
     if (isset($this->info['options list']) && is_callable($this->info['options list'])) {
       $name = isset($this->info['name']) ? $this->info['name'] : NULL;
       return call_user_func($this->info['options list'], $name, $this->info, $op);
+    }
     return FALSE;
+  }
   /**
    * Returns the label for the currently set property value if there is one
    * available, i.e. if an options list has been specified.
    */
   public function label() {
     if ($options = $this->optionsList('view')) {
       $options = entity_property_options_flatten($options);
       $value = $this->value();
       if (is_scalar($value) && isset($options[$value])) {
         return $options[$value];
+      }
+    }
+  }
   /**
    * Determines whether the given user has access to view or edit this property.
    * Apart from relying on access metadata of properties, this takes into
    * account information about entity level access, if available:
    *  - Referenced entities can only be viewed, when the user also has
    *    permission to view the entity.
    *  - A property may be only edited, if the user has permission to update the
    *    entity containing the property.
+   *
    * @param $op
    *   The operation being performed. One of 'view' or 'edit.
    * @param $account
    *   The user to check for. Leave it to NULL to check for the global user.
    * @return boolean
    *   Whether access to entity property is allowed for the given operation.
    *   However if we wrap no data, it returns whether access is allowed to the
    *   property of all entities of this type.
    *   If there is no access information for this property, TRUE is returned.
    */
   public function access($op, $account = NULL) {
     return !empty($this->info['parent']) ? $this->info['parent']->propertyAccess($this->info['name'], $op, $account) : TRUE;
+  }
-e46405
+  /**
    * Returns a string to use to identify this wrapper in error messages.
+   *
    * @return
    *  A string that identifies this wrapper and its chain of ancestors, of the
    *  form 'grandparentidentifier->parentidentifier->identifier'.
    */
   public function debugIdentifierLocation() {
     $debug = $this->info['name'];
     if (isset($this->info['parent'])) {
       $debug = $this->info['parent']->debugIdentifierLocation() . '->' . $debug;
+    }
     return $debug;
+  }
-ad3d82
+  /**
    * Prepare for serializiation.
    */
   public function __sleep() {
     $vars = get_object_vars($this);
     unset($vars['cache']);
     return drupal_map_assoc(array_keys($vars));
+  }
+}
 /**
  * Wraps a single value.
  */
 class EntityValueWrapper extends EntityMetadataWrapper {
   /**
    * Overrides EntityMetadataWrapper#value().
    * Sanitizes or decode textual data if necessary.
    */
   public function value(array $options = array()) {
     $data = parent::value();
     if ($this->type == 'text' && isset($data)) {
       $info = $this->info + array('sanitized' => FALSE, 'sanitize' => 'check_plain');
       $options += array('sanitize' => FALSE, 'decode' => FALSE);
       if ($options['sanitize'] && !$info['sanitized']) {
         return call_user_func($info['sanitize'], $data);
+      }
       elseif ($options['decode'] && $info['sanitized']) {
         return decode_entities(strip_tags($data));
+      }
+    }
     return $data;
+  }
+}
 /**
  * Provides a general wrapper for any data structure. For this to work the
  * metadata has to be passed during construction.
  */
 class EntityStructureWrapper extends EntityMetadataWrapper implements IteratorAggregate {
   protected $propertyInfo = array(), $propertyInfoAltered = FALSE;
   protected $langcode = LANGUAGE_NONE;
   protected $propertyInfoDefaults = array(
     'type' => 'text',
     'getter callback' => 'entity_property_verbatim_get',
     'clear' => array(),
   );
   /**
    * Construct a new EntityStructureWrapper object.
+   *
    * @param $type
    *   The type of the passed data.
    * @param $data
    *   Optional. The data to wrap.
    * @param $info
    *   Used to for specifying metadata about the data and internally to pass
    *   info about properties down the tree. For specifying metadata known keys
    *   are:
    *   - property info: An array of info about the properties of the wrapped
    *     data structure. It has to contain an array of property info in the same
    *     structure as used by hook_entity_property_info().
    */
   public function __construct($type, $data = NULL, $info = array()) {
     parent::__construct($type, $data, $info);
     $this->info += array('property defaults' => array());
     $info += array('property info' => array());
     $this->propertyInfo['properties'] = $info['property info'];
+  }
   /**
    * May be used to lazy-load additional info about the data, depending on the
    * concrete passed data.
    */
   protected function spotInfo() {
     // Apply the callback if set, such that the caller may alter the info.
     if (!empty($this->info['property info alter']) && !$this->propertyInfoAltered) {
       $this->propertyInfo = call_user_func($this->info['property info alter'], $this, $this->propertyInfo);
       $this->propertyInfoAltered = TRUE;
+    }
+  }
   /**
    * Gets the info about the given property.
+   *
    * @param $name
    *   The name of the property. If not given, info about all properties will
    *   be returned.
    * @throws EntityMetadataWrapperException
    *   If there is no such property.
    * @return
    *   An array of info about the property.
    */
   public function getPropertyInfo($name = NULL) {
     $this->spotInfo();
     if (!isset($name)) {
       return $this->propertyInfo['properties'];
+    }
     if (!isset($this->propertyInfo['properties'][$name])) {
       throw new EntityMetadataWrapperException('Unknown data property ' . check_plain($name) . '.');
+    }
     return $this->propertyInfo['properties'][$name] + $this->info['property defaults'] + $this->propertyInfoDefaults;
+  }
   /**
    * Returns a reference on the property info.
+   *
    * If possible, use the property info alter callback for spotting metadata.
    * The reference may be used to alter the property info for any remaining
    * cases, e.g. if additional metadata has been asserted.
    */
   public function &refPropertyInfo() {
     return $this->propertyInfo;
+  }
   /**
    * Sets a new language to use for retrieving properties.
+   *
    * @param $langcode
    *   The language code of the language to set.
    * @return EntityWrapper
    */
   public function language($langcode = LANGUAGE_NONE) {
     if ($langcode != $this->langcode) {
       $this->langcode = $langcode;
       $this->cache = array();
+    }
     return $this;
+  }
   /**
    * Gets the language used for retrieving properties.
+   *
    * @return String
    *   The language object of the language or NULL for the default language.
+   *
    * @see EntityStructureWrapper::language()
    */
   public function getPropertyLanguage() {
     if ($this->langcode != LANGUAGE_NONE && $list = language_list()) {
       if (isset($list[$this->langcode])) {
         return $list[$this->langcode];
+      }
+    }
     return NULL;
+  }
   /**
    * Get the wrapper for a property.
+   *
    * @return
    *   An instance of EntityMetadataWrapper.
    */
   public function get($name) {
     // Look it up in the cache if possible.
     if (!array_key_exists($name, $this->cache)) {
       if ($info = $this->getPropertyInfo($name)) {
         $info += array('parent' => $this, 'name' => $name, 'langcode' => $this->langcode, 'property defaults' => array());
         $info['property defaults'] += $this->info['property defaults'];
         $this->cache[$name] = entity_metadata_wrapper($info['type'], NULL, $info);
+      }
       else {
         throw new EntityMetadataWrapperException('There is no property ' . check_plain($name) . " for this entity.");
+      }
+    }
     return $this->cache[$name];
+  }
   /**
    * Magic method: Get a wrapper for a property.
    */
   public function __get($name) {
     if (strpos($name, 'krumo') === 0) {
       // #914934 Ugly workaround to allow krumo to write its recursion property.
       // This is necessary to make dpm() work without throwing exceptions.
       return NULL;
+    }
     $get = $this->get($name);
     return $get;
+  }
   /**
    * Magic method: Set a property.
    */
   public function __set($name, $value) {
     if (strpos($name, 'krumo') === 0) {
       // #914934 Ugly workaround to allow krumo to write its recursion property.
       // This is necessary to make dpm() work without throwing exceptions.
       $this->$name = $value;
+    }
     else {
       $this->get($name)->set($value);
+    }
+  }
   /**
    * Gets the value of a property.
    */
   protected function getPropertyValue($name, &$info) {
     $options = array('language' => $this->getPropertyLanguage(), 'absolute' => TRUE);
     $data = $this->value();
     if (!isset($data)) {
       throw new EntityMetadataWrapperException('Unable to get the data property ' . check_plain($name) . ' as the parent data structure is not set.');
+    }
     return $info['getter callback']($data, $options, $name, $this->type, $info);
+  }
   /**
    * Gets the raw value of a property.
    */
   protected function getPropertyRaw($name, &$info) {
     if (!empty($info['raw getter callback'])) {
       $options = array('language' => $this->getPropertyLanguage(), 'absolute' => TRUE);
       $data = $this->value();
       if (!isset($data)) {
         throw new EntityMetadataWrapperException('Unable to get the data property ' . check_plain($name) . ' as the parent data structure is not set.');
+      }
       return $info['raw getter callback']($data, $options, $name, $this->type, $info);
+    }
     return $this->getPropertyValue($name, $info);
+  }
   /**
    * Sets a property.
    */
   protected function setProperty($name, $value) {
     $info = $this->getPropertyInfo($name);
     if (!empty($info['setter callback'])) {
       $data = $this->value();
       // In case the data structure is not set, support simple auto-creation
       // for arrays. Else an exception is thrown.
       if (!isset($data)) {
         if (!empty($this->info['auto creation']) && !($this instanceof EntityDrupalWrapper)) {
           $data = $this->info['auto creation']($name, $this->info);
+        }
         else {
           throw new EntityMetadataWrapperException('Unable to set the data property ' . check_plain($name) . ' as the parent data structure is not set.');
+        }
+      }
       // Invoke the setter callback for updating our data.
       $info['setter callback']($data, $name, $value, $this->langcode, $this->type, $info);
       // If the setter has not thrown any exceptions, proceed and apply the
       // update to the current and any parent wrappers as necessary.
       $data = $this->info['type'] == 'entity' ? $this : $data;
       $this->set($data);
       // Clear the cache of properties dependent on this value.
       foreach ($info['clear'] as $name) {
         if (isset($this->cache[$name])) {
           $this->cache[$name]->clear();
+        }
+      }
+    }
     else {
       throw new EntityMetadataWrapperException('Entity property ' . check_plain($name) . " doesn't support writing.");
+    }
+  }
   protected function propertyAccess($name, $op, $account = NULL) {
     $info = $this->getPropertyInfo($name);
-            dd54aff9
+            Assos Assos
     // If a property should be edited and this is part of an entity, make sure
     // the user has update access for this entity.
-ad3d82
+    if ($op == 'edit') {
       $entity = $this;
       while (!($entity instanceof EntityDrupalWrapper) && isset($entity->info['parent'])) {
         $entity = $entity->info['parent'];
+      }
-d7b5830
+      if ($entity instanceof EntityDrupalWrapper && $entity->entityAccess('update', $account) === FALSE) {
-ad3d82
+        return FALSE;
+      }
+    }
     if (!empty($info['access callback'])) {
       $data = $this->dataAvailable() ? $this->value() : NULL;
       return call_user_func($info['access callback'], $op, $name, $data, $account, $this->type);
+    }
     elseif ($op == 'edit' && isset($info['setter permission'])) {
       return user_access($info['setter permission'], $account);
+    }
-d7b5830
+    // If access is unknown, we return TRUE.
-ad3d82
+    return TRUE;
+  }
   /**
    * Magic method: Can be used to check if a property is known.
    */
   public function __isset($name) {
     $this->spotInfo();
     return isset($this->propertyInfo['properties'][$name]);
+  }
   public function getIterator() {
     $this->spotInfo();
     return new EntityMetadataWrapperIterator($this, array_keys($this->propertyInfo['properties']));
+  }
   /**
    * Returns the identifier of the data structure. If there is none, NULL is
    * returned.
    */
   public function getIdentifier() {
     return isset($this->id) && $this->dataAvailable() ? $this->id->value() : NULL;
+  }
   /**
    * Prepare for serializiation.
    */
   public function __sleep() {
     $vars = parent::__sleep();
     unset($vars['propertyInfoDefaults']);
     return $vars;
+  }
   public function clear() {
     $this->propertyInfoAltered = FALSE;
     parent::clear();
+  }
+}
 /**
  * Provides a wrapper for entities registrered in hook_entity_info().
+ *
  * The wrapper eases applying getter and setter callbacks of entity properties
  * specified in hook_entity_property_info().
  */
 class EntityDrupalWrapper extends EntityStructureWrapper {
   /**
    * Contains the entity id.
    */
   protected $id = FALSE;
   protected $bundle;
   protected $entityInfo;
   /**
    * Construct a new EntityDrupalWrapper object.
+   *
    * @param $type
    *   The type of the passed data.
    * @param $data
    *   Optional. The entity to wrap or its identifier.
    * @param $info
    *   Optional. Used internally to pass info about properties down the tree.
    */
   public function __construct($type, $data = NULL, $info = array()) {
     parent::__construct($type, $data, $info);
     $this->setUp();
+  }
   protected function setUp() {
     $this->propertyInfo = entity_get_property_info($this->type) + array('properties' => array());
     $info = $this->info + array('property info' => array(), 'bundle' => NULL);
     $this->propertyInfo['properties'] += $info['property info'];
     $this->bundle = $info['bundle'];
     $this->entityInfo = entity_get_info($this->type);
     if (isset($this->bundle)) {
       $this->spotBundleInfo(FALSE);
+    }
+  }
   /**
    * Sets the entity internally accepting both the entity id and object.
    */
   protected function setEntity($data) {
     // For entities we allow getter callbacks to return FALSE, which we
     // interpret like NULL values as unset properties.
     if (isset($data) && $data !== FALSE && !is_object($data)) {
       $this->id = $data;
       $this->data = FALSE;
+    }
     elseif (is_object($data) && $data instanceof EntityDrupalWrapper) {
       // We got a wrapped entity passed, so take over its values.
       $this->id = $data->id;
       $this->data = $data->data;
       // For generic entity references, also update the entity type accordingly.
       if ($this->info['type'] == 'entity') {
         $this->type = $data->type;
+      }
+    }
     elseif (is_object($data)) {
       // We got the entity object passed.
       $this->data = $data;
       $id = entity_id($this->type, $data);
       $this->id = isset($id) ? $id : FALSE;
+    }
     else {
       $this->id = FALSE;
       $this->data = NULL;
+    }
+  }
   /**
    * Used to lazy-load bundle info. So the wrapper can be loaded e.g. just
    * for setting without the data being loaded.
    */
   protected function spotInfo() {
     if (!$this->propertyInfoAltered) {
       if ($this->info['type'] == 'entity' && $this->dataAvailable() && $this->value()) {
         // Add in entity-type specific details.
         $this->setUp();
+      }
       $this->spotBundleInfo(TRUE);
       parent::spotInfo();
       $this->propertyInfoAltered = TRUE;
+    }
+  }
   /**
    * Tries to determine the bundle and adds in the according property info.
+   *
    * @param $load
    *   Whether the entity should be loaded to spot the info if necessary.
    */
   protected function spotBundleInfo($load = TRUE) {
     // Like entity_extract_ids() assume the entity type if no key is given.
     if (empty($this->entityInfo['entity keys']['bundle']) && $this->type != 'entity') {
       $this->bundle = $this->type;
+    }
     // Detect the bundle if not set yet and add in properties from the bundle.
     elseif (!$this->bundle && $load && $this->dataAvailable()) {
       try {
         if ($entity = $this->value()) {
           list($id, $vid, $bundle) = entity_extract_ids($this->type, $entity);
           $this->bundle = $bundle;
+        }
+      }
       catch (EntityMetadataWrapperException $e) {
         // Loading data failed, so we cannot derive the used bundle.
+      }
+    }
     if ($this->bundle && isset($this->propertyInfo['bundles'][$this->bundle])) {
       $bundle_info = (array) $this->propertyInfo['bundles'][$this->bundle] + array('properties' => array());
       // Allow bundles to re-define existing properties, such that the bundle
       // can add in more bundle-specific details like the bundle of a referenced
       // entity.
       $this->propertyInfo['properties'] = $bundle_info['properties'] + $this->propertyInfo['properties'];
+    }
+  }
   /**
    * Returns the identifier of the wrapped entity.
+   *
    * @see entity_id()
    */
   public function getIdentifier() {
     return $this->dataAvailable() ? $this->value(array('identifier' => TRUE)) : NULL;
+  }
   /**
    * Returns the bundle of an entity, or FALSE if it has no bundles.
    */
   public function getBundle() {
     if ($this->dataAvailable()) {
       $this->spotInfo();
       return $this->bundle;
+    }
+  }
   /**
    * Overridden.
+   *
    * @param $options
    *   An array of options. Known keys:
    *   - identifier: If set to TRUE, the entity identifier is returned.
    */
   public function value(array $options = array()) {
     // Try loading the data via the getter callback if there is none yet.
     if (!isset($this->data)) {
       $this->setEntity(parent::value());
+    }
     if (!empty($options['identifier'])) {
       return $this->id;
+    }
     elseif (!$this->data && !empty($this->id)) {
       // Lazy load the entity if necessary.
       $return = entity_load($this->type, array($this->id));
       // In case the entity cannot be loaded, we return NULL just as for empty
       // properties.
       $this->data = $return ? reset($return) : NULL;
+    }
     return $this->data;
+  }
   /**
    * Returns the entity prepared for rendering.
+   *
    * @see entity_view()
    */
   public function view($view_mode = 'full', $langcode = NULL, $page = NULL) {
     return entity_view($this->type(), array($this->value()), $view_mode, $langcode, $page);
+  }
   /**
    * Overridden to support setting the entity by either the object or the id.
    */
   public function set($value) {
     if (!$this->validate($value)) {
-e46405
+      throw new EntityMetadataWrapperException(t('Invalid data value given. Be sure it matches the required data type and format. Value at !location: !value.', array(
         // An exception's message is output through check_plain().
         '!value' => is_array($value) || is_object($value) ? var_export($value) : $value,
         '!location' => $this->debugIdentifierLocation(),
       )));
-ad3d82
+            Assos Assos
     if ($this->info['type'] == 'entity' && $value === $this) {
       // Nothing to do.
       return $this;
+    }
     $previous_id = $this->id;
     $previous_type = $this->type;
     // Set value, so we get the identifier and pass it to the normal setter.
     $this->clear();
     $this->setEntity($value);
     // Generally, we have to update the parent only if the entity reference
     // has changed. In case of a generic entity reference, we pass the entity
     // wrapped. Else we just pass the id of the entity to the setter callback.
     if ($this->info['type'] == 'entity' && ($previous_id != $this->id || $previous_type != $this->type)) {
       // We need to clone the wrapper we pass through as value, so it does not
       // get cleared when the current wrapper instance gets cleared.
       $this->updateParent(clone $this);
+    }
     // In case the entity has been unset, we cannot properly detect changes as
     // the previous id defaults to FALSE for unloaded entities too. So in that
     // case we just always update the parent.
     elseif ($this->id === FALSE && !$this->data) {
       $this->updateParent(NULL);
+    }
-b3f7b
+    elseif ($previous_id !== $this->id) {
-ad3d82
+      $this->updateParent($this->id);
+    }
     return $this;
+  }
   /**
    * Overridden.
    */
   public function clear() {
     $this->id = NULL;
     $this->bundle = isset($this->info['bundle']) ? $this->info['bundle'] : NULL;
     if ($this->type != $this->info['type']) {
       // Reset entity info / property info based upon the info provided during
       // the creation of the wrapper.
       $this->type = $this->info['type'];
       $this->setUp();
+    }
     parent::clear();
+  }
   /**
    * Overridden.
    */
   public function type() {
     // In case of a generic entity wrapper, load the data first to determine
     // the type of the concrete entity.
     if ($this->dataAvailable() && $this->info['type'] == 'entity') {
       try {
         $this->value(array('identifier' => TRUE));
+      }
       catch (EntityMetadataWrapperException $e) {
         // If loading data fails, we cannot determine the concrete entity type.
+      }
+    }
     return $this->type;
+  }
-            dd54aff9
+  /**
    * {@inheritdoc}
+   *
    * Note that this method checks property access, but can be used for checking
    * entity access *only* if the wrapper is not a property (i.e. has no parent
    * wrapper).
    * To be safe, better use EntityDrupalWrapper::entityAccess() for checking
    * entity access.
    */
   public function access($op, $account = NULL) {
     if (!empty($this->info['parent'])) {
       // If this is a property, make sure the user is able to view the
       // currently referenced entity also.
-d7b5830
+      if ($this->entityAccess('view', $account) === FALSE) {
         return FALSE;
+      }
       if (parent::access($op, $account) === FALSE) {
         return FALSE;
+      }
       // If access is unknown, we return TRUE.
       return TRUE;
-            dd54aff9
+            Assos Assos
     else {
       // This is not a property, so fallback on entity access.
-e46405
+      if ($op == 'edit') {
         // If the operation is "edit" determine if its actually a "create" for
         // new un-saved entities, or an "update" for existing ones.
         return $this->entityAccess($this->getIdentifier() ? 'update' : 'create', $account);
+      }
       return $this->entityAccess('view', $account);
-            dd54aff9
+            Assos Assos
+  }
-ad3d82
+  /**
    * Checks whether the operation $op is allowed on the entity.
+   *
    * @see entity_access()
    */
   public function entityAccess($op, $account = NULL) {
     $entity = $this->dataAvailable() ? $this->value() : NULL;
-b3f7b
+    // The value() method could return FALSE on entities such as user 0, so we
     // need to use NULL instead to conform to the expectations of
     // entity_access().
     if ($entity === FALSE) {
       $entity = NULL;
+    }
-ad3d82
+    return entity_access($op, $this->type, $entity, $account);
+  }
   /**
    * Permanently save the wrapped entity.
+   *
    * @throws EntityMetadataWrapperException
    *   If the entity type does not support saving.
+   *
    * @return EntityDrupalWrapper
    */
   public function save() {
     if ($this->data) {
       if (!entity_type_supports($this->type, 'save')) {
         throw new EntityMetadataWrapperException("There is no information about how to save entities of type " . check_plain($this->type) . '.');
+      }
       entity_save($this->type, $this->data);
       // On insert, update the identifier afterwards.
       if (!$this->id) {
         list($this->id, , ) = entity_extract_ids($this->type, $this->data);
+      }
+    }
     // If the entity hasn't been loaded yet, don't bother saving it.
     return $this;
+  }
   /**
    * Permanently delete the wrapped entity.
+   *
    * @return EntityDrupalWrapper
    */
   public function delete() {
     if ($this->dataAvailable() && $this->value()) {
       $return = entity_delete($this->type, $this->id);
       if ($return === FALSE) {
         throw new EntityMetadataWrapperException("There is no information about how to delete entities of type " . check_plain($this->type) . '.');
+      }
+    }
     return $this;
+  }
   /**
    * Gets the info about the wrapped entity.
    */
   public function entityInfo() {
     return $this->entityInfo;
+  }
   /**
    * Returns the name of the key used by the entity for given entity key.
+   *
    * @param $name
    *   One of 'id', 'name', 'bundle' or 'revision'.
    * @return
    *   The name of the key used by the entity.
    */
   public function entityKey($name) {
     return isset($this->entityInfo['entity keys'][$name]) ? $this->entityInfo['entity keys'][$name] : FALSE;
+  }
   /**
    * Returns the entity label.
+   *
    * @see entity_label()
    */
   public function label() {
     if ($entity = $this->value()) {
       return entity_label($this->type, $entity);
+    }
+  }
-e46405
+  /**
    * Returns a string to use to identify this wrapper in error messages.
    */
   public function debugIdentifierLocation() {
     // An entity wrapper can be at the top of the chain or a part of it.
     if (isset($this->info['name'])) {
       // This wrapper is part of a chain, eg in the position node->author.
       // Return the name.
       $debug = $this->info['name'];
+    }
     else {
       // This is a wrapper for an actual entity: return its type and id.
       $debug = $this->info['type'] . '(' . $this->getIdentifier() . ')';
+    }
     if (isset($this->info['parent'])) {
       $debug = $this->info['parent']->debugIdentifierLocation() . '->' . $debug;
+    }
     return $debug;
+  }
-ad3d82
+  /**
    * Prepare for serializiation.
    */
   public function __sleep() {
     $vars = parent::__sleep();
     // Don't serialize the loaded entity and its property info.
     unset($vars['data'], $vars['propertyInfo'], $vars['propertyInfoAltered'], $vars['entityInfo']);
     // In case the entity is not saved yet, serialize the unsaved data.
     if ($this->dataAvailable() && $this->id === FALSE) {
       $vars['data'] = 'data';
+    }
     return $vars;
+  }
   public function __wakeup() {
     $this->setUp();
     if ($this->id !== FALSE) {
       // Make sure data is set, so the entity will be loaded when needed.
       $this->data = FALSE;
+    }
+  }
+}
 /**
  * Wraps a list of values.
+ *
  * If the wrapped data is a list of data, its numerical indexes may be used to
  * retrieve wrappers for the list items. For that this wrapper implements
  * ArrayAccess so it may be used like a usual numerically indexed array.
  */
 class EntityListWrapper extends EntityMetadataWrapper implements IteratorAggregate, ArrayAccess, Countable {
   /**
    * The type of contained items.
    */
   protected $itemType;
   /**
    * Whether this is a list of entities with a known entity type, i.e. for
    * generic list of entities (list<entity>) this is FALSE.
    */
   protected $isEntityList;
   public function __construct($type, $data = NULL, $info = array()) {
     parent::__construct($type, NULL, $info);
     $this->itemType = entity_property_list_extract_type($this->type);
     if (!$this->itemType) {
       $this->itemType = 'unknown';
+    }
     $this->isEntityList = (bool) entity_get_info($this->itemType);
     if (isset($data)) {
       $this->set($data);
+    }
+  }
   /**
    * Get the wrapper for a single item.
+   *
    * @return
    *   An instance of EntityMetadataWrapper.
    */
   public function get($delta) {
     // Look it up in the cache if possible.
     if (!array_key_exists($delta, $this->cache)) {
       if (!isset($delta)) {
         // The [] operator has been used so point at a new entry.
         $values = parent::value();
         $delta = $values ? max(array_keys($values)) + 1 : 0;
+      }
       if (is_numeric($delta)) {
         $info = array('parent' => $this, 'name' => $delta) + $this->info;
         $this->cache[$delta] = entity_metadata_wrapper($this->itemType, NULL, $info);
+      }
       else {
         throw new EntityMetadataWrapperException('There can be only numerical keyed items in a list.');
+      }
+    }
     return $this->cache[$delta];
+  }
   protected function getPropertyValue($delta) {
     // Make use parent::value() to easily by-pass any entity-loading.
     $data = parent::value();
     if (isset($data[$delta])) {
       return $data[$delta];
+    }
+  }
   protected function getPropertyRaw($delta) {
     return $this->getPropertyValue($delta);
+  }
   protected function setProperty($delta, $value) {
     $data = parent::value();
     if (is_numeric($delta)) {
       $data[$delta] = $value;
       $this->set($data);
+    }
+  }
   protected function propertyAccess($delta, $op, $account = NULL) {
     return $this->access($op, $account);
+  }
   /**
    * Returns the list as numerically indexed array.
+   *
    * Note that a list of entities might contain stale entity references. In
    * that case the wrapper and the identifier of a stale reference would be
    * still accessible, however the entity object value would be NULL. That way,
    * there may be NULL values in lists of entity objects due to stale entity
    * references.
+   *
    * @param $options
    *   An array of options. Known keys:
    *   - identifier: If set to TRUE for a list of entities, it won't be returned
    *     as list of fully loaded entity objects, but as a list of entity ids.
    *     Note that this list may contain ids of stale entity references.
    */
   public function value(array $options = array()) {
     // For lists of entities fetch full entity objects before returning.
     // Generic entity-wrappers need to be handled separately though.
     if ($this->isEntityList && empty($options['identifier']) && $this->dataAvailable()) {
       $list = parent::value();
       $entities = $list ? entity_load($this->get(0)->type, $list) : array();
       // Make sure to keep the array keys as present in the list.
       foreach ($list as $key => $id) {
         // In case the entity cannot be loaded, we return NULL just as for empty
         // properties.
         $list[$key] = isset($entities[$id]) ? $entities[$id] : NULL;
+      }
       return $list;
+    }
     return parent::value();
+  }
   public function set($values) {
     // Support setting lists of fully loaded entities.
     if ($this->isEntityList && $values && is_object(reset($values))) {
       foreach ($values as $key => $value) {
-b3f7b
+        // Ignore outdated NULL value references in lists of entities.
         if (isset($value)) {
           list($id, $vid, $bundle) = entity_extract_ids($this->itemType, $value);
           $values[$key] = $id;
+        }
-ad3d82
+            Assos Assos
+    }
     return parent::set($values);
+  }
   /**
    * If we wrap a list, we return an iterator over the data list.
    */
   public function getIterator() {
     // In case there is no data available, just iterate over the first item.
     return new EntityMetadataWrapperIterator($this, $this->dataAvailable() ? array_keys(parent::value()) : array(0));
+  }
   /**
    * Implements the ArrayAccess interface.
    */
   public function offsetGet($delta) {
     return $this->get($delta);
+  }
   public function offsetExists($delta) {
     return $this->dataAvailable() && ($data = $this->value()) && array_key_exists($delta, $data);
+  }
   public function offsetSet($delta, $value) {
     $this->get($delta)->set($value);
+  }
   public function offsetUnset($delta) {
     if ($this->offsetExists($delta)) {
       unset($this->data[$delta]);
       $this->set($this->data);
+    }
+  }
   public function count() {
     return $this->dataAvailable() ? count($this->value()) : 0;
+  }
   /**
    * Overridden.
    */
   public function validate($value) {
     // Required lists may not be empty or unset.
     if (!empty($this->info['required']) && empty($value)) {
       return FALSE;
+    }
     return parent::validate($value);
+  }
   /**
    * Returns the label for the list of set values if available.
    */
   public function label() {
     if ($options = $this->optionsList('view')) {
       $options = entity_property_options_flatten($options);
       $labels = array_intersect_key($options, array_flip((array) parent::value()));
+    }
     else {
       // Get each label on its own, e.g. to support getting labels of a list
       // of entities.
       $labels = array();
       foreach ($this as $key => $property) {
         $label = $property->label();
         if (!$label) {
           return NULL;
+        }
         $labels[] = $label;
+      }
+    }
     return isset($labels) ? implode(', ', $labels) : NULL;
+  }
+}
 /**
  * Provide a separate Exception so it can be caught separately.
  */
 class EntityMetadataWrapperException extends Exception { }
 /**
  * Allows to easily iterate over existing child wrappers.
  */
 class EntityMetadataWrapperIterator implements RecursiveIterator {
   protected $position = 0;
   protected $wrapper, $keys;
   public function __construct(EntityMetadataWrapper $wrapper, array $keys) {
     $this->wrapper = $wrapper;
     $this->keys = $keys;
+  }
   function rewind() {
     $this->position = 0;
+  }
   function current() {
     return $this->wrapper->get($this->keys[$this->position]);
+  }
   function key() {
     return $this->keys[$this->position];
+  }
   function next() {
     $this->position++;
+  }
   function valid() {
     return isset($this->keys[$this->position]);
+  }
   public function hasChildren() {
     return $this->current() instanceof IteratorAggregate;
+  }
   public function getChildren() {
     return $this->current()->getIterator();
+  }
+}
 /**
  * An array object implementation keeping the reference on the given array so
  * changes to the object are reflected in the passed array.
  */
 class EntityMetadataArrayObject implements ArrayAccess, Countable, IteratorAggregate {
   protected $data;
   public function __construct(&$array) {
     $this->data =& $array;
+  }
   public function &getArray() {
     return $this->data;
+  }
   /**
    * Implements the ArrayAccess interface.
    */
   public function offsetGet($delta) {
     return $this->data[$delta];
+  }
   public function offsetExists($delta) {
     return array_key_exists($delta, $this->data);
+  }
   public function offsetSet($delta, $value) {
     $this->data[$delta] = $value;
+  }
   public function offsetUnset($delta) {
     unset($this->data[$delta]);
+  }
   public function count() {
     return count($this->data);
+  }
   public function getIterator() {
     return new ArrayIterator($this->data);
+  }
+}

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root / drupal7 / sites / all / modules / entity / includes / entity.wrapper.inc @ 3aa14731