Viewing file:  FileLoader.php (4.61 KB) -rwxrwxr-x
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<?php
namespace Illuminate\Translation;
use Illuminate\Contracts\Translation\Loader;
use Illuminate\Filesystem\Filesystem;
use RuntimeException;
class FileLoader implements Loader
{
/**
* The filesystem instance.
*
* @var \Illuminate\Filesystem\Filesystem
*/
protected $files;
/**
* The default path for the loader.
*
* @var string
*/
protected $path;
/**
* All of the registered paths to JSON translation files.
*
* @var array
*/
protected $jsonPaths = [];
/**
* All of the namespace hints.
*
* @var array
*/
protected $hints = [];
/**
* Create a new file loader instance.
*
* @param \Illuminate\Filesystem\Filesystem $files
* @param string $path
* @return void
*/
public function __construct(Filesystem $files, $path)
{
$this->path = $path;
$this->files = $files;
}
/**
* Load the messages for the given locale.
*
* @param string $locale
* @param string $group
* @param string|null $namespace
* @return array
*/
public function load($locale, $group, $namespace = null)
{
if ($group === '*' && $namespace === '*') {
return $this->loadJsonPaths($locale);
}
if (is_null($namespace) || $namespace === '*') {
return $this->loadPath($this->path, $locale, $group);
}
return $this->loadNamespaced($locale, $group, $namespace);
}
/**
* Load a namespaced translation group.
*
* @param string $locale
* @param string $group
* @param string $namespace
* @return array
*/
protected function loadNamespaced($locale, $group, $namespace)
{
if (isset($this->hints[$namespace])) {
$lines = $this->loadPath($this->hints[$namespace], $locale, $group);
return $this->loadNamespaceOverrides($lines, $locale, $group, $namespace);
}
return [];
}
/**
* Load a local namespaced translation group for overrides.
*
* @param array $lines
* @param string $locale
* @param string $group
* @param string $namespace
* @return array
*/
protected function loadNamespaceOverrides(array $lines, $locale, $group, $namespace)
{
$file = "{$this->path}/vendor/{$namespace}/{$locale}/{$group}.php";
if ($this->files->exists($file)) {
return array_replace_recursive($lines, $this->files->getRequire($file));
}
return $lines;
}
/**
* Load a locale from a given path.
*
* @param string $path
* @param string $locale
* @param string $group
* @return array
*/
protected function loadPath($path, $locale, $group)
{
if ($this->files->exists($full = "{$path}/{$locale}/{$group}.php")) {
return $this->files->getRequire($full);
}
return [];
}
/**
* Load a locale from the given JSON file path.
*
* @param string $locale
* @return array
*
* @throws \RuntimeException
*/
protected function loadJsonPaths($locale)
{
return collect(array_merge($this->jsonPaths, [$this->path]))
->reduce(function ($output, $path) use ($locale) {
if ($this->files->exists($full = "{$path}/{$locale}.json")) {
$decoded = json_decode($this->files->get($full), true);
if (is_null($decoded) || json_last_error() !== JSON_ERROR_NONE) {
throw new RuntimeException("Translation file [{$full}] contains an invalid JSON structure.");
}
$output = array_merge($output, $decoded);
}
return $output;
}, []);
}
/**
* Add a new namespace to the loader.
*
* @param string $namespace
* @param string $hint
* @return void
*/
public function addNamespace($namespace, $hint)
{
$this->hints[$namespace] = $hint;
}
/**
* Get an array of all the registered namespaces.
*
* @return array
*/
public function namespaces()
{
return $this->hints;
}
/**
* Add a new JSON path to the loader.
*
* @param string $path
* @return void
*/
public function addJsonPath($path)
{
$this->jsonPaths[] = $path;
}
/**
* Get an array of all the registered paths to JSON translation files.
*
* @return array
*/
public function jsonPaths()
{
return $this->jsonPaths;
}
}
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