AbstractManifestLoader::parse()
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dl 0
loc 1
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f 0
ccs 0
cts 0
cp 0
nc 1
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<?php
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namespace Rj\FrontendBundle\Manifest\Loader;
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use Rj\FrontendBundle\Manifest\Manifest;
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abstract class AbstractManifestLoader implements ManifestLoaderInterface
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{
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    /**
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     * @var string
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     */
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    private $path;
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    /**
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     * @var null|string
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     */
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    private $rootKey;
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    /**
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     * @param string $path
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     *
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     * @return mixed
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     */
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    abstract protected function parse($path);
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    /**
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     * @param string      $path
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     * @param null|string $rootKey
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     */
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    public function __construct($path, $rootKey = null)
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    {
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        if (!is_file($path)) {
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            throw new \InvalidArgumentException("The manifest file '$path' could not be found");
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        }
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        $this->path = $path;
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        $this->rootKey = $rootKey;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function load()
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    {
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        $entries = $this->parse($this->path);
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        if (!empty($this->rootKey)) {
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            if (!isset($entries[$this->rootKey])) {
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                throw new \InvalidArgumentException('Manifest file contains no '.$this->rootKey.' key');
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            }
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            $entries = $entries[$this->rootKey];
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        }
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        return new Manifest($entries);
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function getPath()
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    {
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        return $this->path;
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    }
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}
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