YamlDiscovery.php
Same filename in this branch
Same filename in other branches
- 9 core/lib/Drupal/Core/Discovery/YamlDiscovery.php
- 9 core/lib/Drupal/Core/Plugin/Discovery/YamlDiscovery.php
- 9 core/lib/Drupal/Component/Discovery/YamlDiscovery.php
- 10 core/lib/Drupal/Core/Discovery/YamlDiscovery.php
- 10 core/lib/Drupal/Core/Plugin/Discovery/YamlDiscovery.php
- 10 core/lib/Drupal/Component/Discovery/YamlDiscovery.php
- 11.x core/lib/Drupal/Core/Discovery/YamlDiscovery.php
- 11.x core/lib/Drupal/Core/Plugin/Discovery/YamlDiscovery.php
- 11.x core/lib/Drupal/Component/Discovery/YamlDiscovery.php
Namespace
Drupal\Component\DiscoveryFile
-
core/
lib/ Drupal/ Component/ Discovery/ YamlDiscovery.php
View source
<?php
namespace Drupal\Component\Discovery;
use Drupal\Component\FileCache\FileCacheFactory;
use Drupal\Component\Serialization\Exception\InvalidDataTypeException;
use Drupal\Component\Serialization\Yaml;
/**
* Provides discovery for YAML files within a given set of directories.
*/
class YamlDiscovery implements DiscoverableInterface {
/**
* The base filename to look for in each directory.
*
* @var string
*/
protected $name;
/**
* An array of directories to scan, keyed by the provider.
*
* @var array
*/
protected $directories = [];
/**
* Constructs a YamlDiscovery object.
*
* @param string $name
* The base filename to look for in each directory. The format will be
* $provider.$name.yml.
* @param array $directories
* An array of directories to scan, keyed by the provider.
*/
public function __construct($name, array $directories) {
$this->name = $name;
$this->directories = $directories;
}
/**
* {@inheritdoc}
*/
public function findAll() {
$all = [];
$files = $this->findFiles();
$provider_by_files = array_flip($files);
$file_cache = FileCacheFactory::get('yaml_discovery:' . $this->name);
// Try to load from the file cache first.
foreach ($file_cache->getMultiple($files) as $file => $data) {
$all[$provider_by_files[$file]] = $data;
unset($provider_by_files[$file]);
}
// If there are files left that were not returned from the cache, load and
// parse them now. This list was flipped above and is keyed by filename.
if ($provider_by_files) {
foreach ($provider_by_files as $file => $provider) {
// If a file is empty or its contents are commented out, return an empty
// array instead of NULL for type consistency.
$all[$provider] = $this->decode($file);
$file_cache->set($file, $all[$provider]);
}
}
return $all;
}
/**
* Decode a YAML file.
*
* @param string $file
* Yaml file path.
*
* @return array
*/
protected function decode($file) {
try {
return Yaml::decode(file_get_contents($file)) ?: [];
} catch (InvalidDataTypeException $e) {
throw new InvalidDataTypeException($file . ': ' . $e->getMessage(), $e->getCode(), $e);
}
}
/**
* Returns an array of file paths, keyed by provider.
*
* @return array
*/
protected function findFiles() {
$files = [];
foreach ($this->directories as $provider => $directory) {
$file = $directory . '/' . $provider . '.' . $this->name . '.yml';
if (file_exists($file)) {
$files[$provider] = $file;
}
}
return $files;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
YamlDiscovery | Provides discovery for YAML files within a given set of directories. |
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