Current File : /www/varak.net/paste.varak.net-5.6/vendor/laravel/framework/src/Illuminate/Config/FileLoader.php
<?php namespace Illuminate\Config;
use Illuminate\Filesystem\Filesystem;
class FileLoader implements LoaderInterface {
/**
* The filesystem instance.
*
* @var \Illuminate\Filesystem\Filesystem
*/
protected $files;
/**
* The default configuration path.
*
* @var string
*/
protected $defaultPath;
/**
* All of the named path hints.
*
* @var array
*/
protected $hints = array();
/**
* A cache of whether namespaces and groups exists.
*
* @var array
*/
protected $exists = array();
/**
* Create a new file configuration loader.
*
* @param \Illuminate\Filesystem\Filesystem $files
* @param string $defaultPath
* @return void
*/
public function __construct(Filesystem $files, $defaultPath)
{
$this->files = $files;
$this->defaultPath = $defaultPath;
}
/**
* Load the given configuration group.
*
* @param string $environment
* @param string $group
* @param string $namespace
* @return array
*/
public function load($environment, $group, $namespace = null)
{
$items = array();
// First we'll get the root configuration path for the environment which is
// where all of the configuration files live for that namespace, as well
// as any environment folders with their specific configuration items.
$path = $this->getPath($namespace);
if (is_null($path))
{
return $items;
}
// First we'll get the main configuration file for the groups. Once we have
// that we can check for any environment specific files, which will get
// merged on top of the main arrays to make the environments cascade.
$file = "{$path}/{$group}.php";
if ($this->files->exists($file))
{
$items = $this->files->getRequire($file);
}
// Finally we're ready to check for the environment specific configuration
// file which will be merged on top of the main arrays so that they get
// precedence over them if we are currently in an environments setup.
$file = "{$path}/{$environment}/{$group}.php";
if ($this->files->exists($file))
{
$items = $this->mergeEnvironment($items, $file);
}
return $items;
}
/**
* Merge the items in the given file into the items.
*
* @param array $items
* @param string $file
* @return array
*/
protected function mergeEnvironment(array $items, $file)
{
return array_replace_recursive($items, $this->files->getRequire($file));
}
/**
* Determine if the given group exists.
*
* @param string $group
* @param string $namespace
* @return bool
*/
public function exists($group, $namespace = null)
{
$key = $group.$namespace;
// We'll first check to see if we have determined if this namespace and
// group combination have been checked before. If they have, we will
// just return the cached result so we don't have to hit the disk.
if (isset($this->exists[$key]))
{
return $this->exists[$key];
}
$path = $this->getPath($namespace);
// To check if a group exists, we will simply get the path based on the
// namespace, and then check to see if this files exists within that
// namespace. False is returned if no path exists for a namespace.
if (is_null($path))
{
return $this->exists[$key] = false;
}
$file = "{$path}/{$group}.php";
// Finally, we can simply check if this file exists. We will also cache
// the value in an array so we don't have to go through this process
// again on subsequent checks for the existing of the config file.
$exists = $this->files->exists($file);
return $this->exists[$key] = $exists;
}
/**
* Apply any cascades to an array of package options.
*
* @param string $env
* @param string $package
* @param string $group
* @param array $items
* @return array
*/
public function cascadePackage($env, $package, $group, $items)
{
// First we will look for a configuration file in the packages configuration
// folder. If it exists, we will load it and merge it with these original
// options so that we will easily "cascade" a package's configurations.
$file = "packages/{$package}/{$group}.php";
if ($this->files->exists($path = $this->defaultPath.'/'.$file))
{
$items = array_merge(
$items, $this->getRequire($path)
);
}
// Once we have merged the regular package configuration we need to look for
// an environment specific configuration file. If one exists, we will get
// the contents and merge them on top of this array of options we have.
$path = $this->getPackagePath($env, $package, $group);
if ($this->files->exists($path))
{
$items = array_merge(
$items, $this->getRequire($path)
);
}
return $items;
}
/**
* Get the package path for an environment and group.
*
* @param string $env
* @param string $package
* @param string $group
* @return string
*/
protected function getPackagePath($env, $package, $group)
{
$file = "packages/{$package}/{$env}/{$group}.php";
return $this->defaultPath.'/'.$file;
}
/**
* Get the configuration path for a namespace.
*
* @param string $namespace
* @return string
*/
protected function getPath($namespace)
{
if (is_null($namespace))
{
return $this->defaultPath;
}
elseif (isset($this->hints[$namespace]))
{
return $this->hints[$namespace];
}
}
/**
* Add a new namespace to the loader.
*
* @param string $namespace
* @param string $hint
* @return void
*/
public function addNamespace($namespace, $hint)
{
$this->hints[$namespace] = $hint;
}
/**
* Returns all registered namespaces with the config
* loader.
*
* @return array
*/
public function getNamespaces()
{
return $this->hints;
}
/**
* Get a file's contents by requiring it.
*
* @param string $path
* @return mixed
*/
protected function getRequire($path)
{
return $this->files->getRequire($path);
}
/**
* Get the Filesystem instance.
*
* @return \Illuminate\Filesystem\Filesystem
*/
public function getFilesystem()
{
return $this->files;
}
}
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