<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Asset;
use Symfony\Component\Asset\Exception\InvalidArgumentException;
use Symfony\Component\Asset\Exception\LogicException;
/**
* Helps manage asset URLs.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Kris Wallsmith <kris@symfony.com>
*/
class Packages
{
private $defaultPackage;
private $packages = [];
/**
* @param PackageInterface[] $packages Additional packages indexed by name
*/
public function __construct(PackageInterface $defaultPackage = null, array $packages = [])
{
$this->defaultPackage = $defaultPackage;
foreach ($packages as $name => $package) {
$this->addPackage($name, $package);
}
}
public function setDefaultPackage(PackageInterface $defaultPackage)
{
$this->defaultPackage = $defaultPackage;
}
public function addPackage(string $name, PackageInterface $package)
{
$this->packages[$name] = $package;
}
/**
* Returns an asset package.
*
* @param string $name The name of the package or null for the default package
*
* @return PackageInterface An asset package
*
* @throws InvalidArgumentException If there is no package by that name
* @throws LogicException If no default package is defined
*/
public function getPackage(string $name = null)
{
if (null === $name) {
if (null === $this->defaultPackage) {
throw new LogicException('There is no default asset package, configure one first.');
}
return $this->defaultPackage;
}
if (!isset($this->packages[$name])) {
throw new InvalidArgumentException(sprintf('There is no "%s" asset package.', $name));
}
return $this->packages[$name];
}
/**
* Gets the version to add to public URL.
*
* @param string $path A public path
* @param string $packageName A package name
*
* @return string The current version
*/
public function getVersion(string $path, string $packageName = null)
{
return $this->getPackage($packageName)->getVersion($path);
}
/**
* Returns the public path.
*
* Absolute paths (i.e. http://...) are returned unmodified.
*
* @param string $path A public path
* @param string $packageName The name of the asset package to use
*
* @return string A public path which takes into account the base path and URL path
*/
public function getUrl(string $path, string $packageName = null)
{
return $this->getPackage($packageName)->getUrl($path);
}
}