/**
* Replicates system_list('bootstrap')
*
* @see system_list()
*
* @return array|null
*/
function systemListBootstrap()
{
$lists =& $this->drupalStatic->get('system_list');
// For bootstrap modules, attempt to fetch the list from cache if possible.
// if not fetch only the required information to fire bootstrap hooks
// in case we are going to serve the page from cache.
if (isset($lists['bootstrap'])) {
return $lists['bootstrap'];
}
if ($cached = $this->cache->cacheGet('bootstrap_modules', 'cache_bootstrap')) {
$bootstrap_list = $cached->data;
} else {
$bootstrap_list = $this->systemListLoader->fetchBootstrapSystemList();
$this->cache->cacheSet('bootstrap_modules', $bootstrap_list, 'cache_bootstrap');
}
// To avoid a separate database lookup for the filepath, prime the
// drupal_get_filename() static cache for bootstrap modules only.
// The rest is stored separately to keep the bootstrap module cache small.
foreach ($bootstrap_list as $module) {
$this->drupalGetFilename->drupalSetFilename('module', $module->name, $module->filename);
}
// We only return the module names here since module_list() doesn't need
// the filename itself.
return $lists['bootstrap'] = array_keys($bootstrap_list);
}
/**
* Rebuild, save, and return data about all currently available modules.
*
* @see system_rebuild_module_data()
*
* @return array[]
*/
public function systemRebuildModuleData()
{
$modules_cache =& $this->drupalStatic->get('system_rebuild_module_data');
// Only rebuild once per request. $modules and $modules_cache cannot be
// combined into one variable, because the $modules_cache variable is reset by
// reference from system_list_reset() during the rebuild.
if (!isset($modules_cache)) {
$modules = $this->systemBuildModuleData->systemBuildModuleData();
ksort($modules);
$this->systemTable->systemGetFilesDatabase($modules, 'module');
$this->systemUpdateFilesDatabase($modules, 'module');
$modules = $this->moduleBuildDependencies->moduleBuildDependencies($modules);
$modules_cache = $modules;
}
return $modules_cache;
}
/**
* @param string $name
*
* @see libraries_load()
*/
function librariesLoad($name)
{
$loaded =& $this->drupalStatic->get('libraries_load', array());
if (!isset($loaded[$name])) {
$library = $this->cache->cacheGet($name, 'cache_libraries');
if ($library) {
$library = $library->data;
} else {
$library = $this->librariesDetect($name);
$this->cache->cacheSet($name, $library, 'cache_libraries');
}
// If a variant was specified, override the top-level properties with the
// variant properties.
if (isset($variant)) {
// Ensure that the $variant key exists, and if it does not, set its
// 'installed' property to FALSE by default. This will prevent the loading
// of the library files below.
$library['variants'] += array($variant => array('installed' => FALSE));
$library = array_merge($library, $library['variants'][$variant]);
}
// Regardless of whether a specific variant was requested or not, there can
// only be one variant of a library within a single request.
unset($library['variants']);
// Invoke callbacks in the 'pre-dependencies-load' group.
$this->librariesInvoke('pre-dependencies-load', $library);
// If the library (variant) is installed, load it.
$library['loaded'] = FALSE;
if ($library['installed']) {
// Load library dependencies.
if (isset($library['dependencies'])) {
foreach ($library['dependencies'] as $dependency) {
$this->librariesLoad($dependency);
}
}
// Invoke callbacks in the 'pre-load' group.
$this->librariesInvoke('pre-load', $library);
// Load all the files associated with the library.
$library['loaded'] = $this->librariesLoadFiles($library);
// Invoke callbacks in the 'post-load' group.
$this->librariesInvoke('post-load', $library);
}
$loaded[$name] = $library;
}
return $loaded[$name];
}
/**
* @see libraries_get_path()
*
* @param string $name
* @param string|bool $base_path
*
* @return string|bool
*/
public function librariesGetPath($name, $base_path = FALSE)
{
$libraries =& $this->drupalStatic->get('libraries_get_path');
if (!isset($libraries)) {
$libraries = $this->librariesGetLibraries();
}
$path = $base_path ? base_path() : '';
if (!isset($libraries[$name])) {
return FALSE;
} else {
$path .= $libraries[$name];
}
return $path;
}
/**
* @see module_implements()
*
* @param string $hook
* @param bool $sort
*
* @return array
*/
function moduleImplements($hook, $sort = FALSE)
{
// Use the advanced drupal_static() pattern, since this is called very often.
if (!isset($this->drupalStaticFast)) {
$this->drupalStaticFast['implementations'] =& $this->drupalStatic->get('module_implements');
}
$implementations =& $this->drupalStaticFast['implementations'];
// Fetch implementations from cache.
if (empty($implementations)) {
$cache = $this->cache->cacheGet('module_implements', 'cache_bootstrap');
if (FALSE === $cache) {
$implementations = array();
} else {
$implementations = $cache->data;
}
}
if (!isset($implementations[$hook])) {
$implementations[$hook] = $this->discoverImplementations($hook, $sort);
} else {
// @todo Change this when https://drupal.org/node/2263365 has landed in Drupal core.
$this->filterImplementations($implementations[$hook], $hook);
}
return array_keys($implementations[$hook]);
}