<?php

/*

 * This file is part of the Assetic package, an OpenSky project.

 *

 * (c) 2010-2011 OpenSky Project Inc

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Assetic;

use Assetic\Asset\AssetInterface;

/**

 * Writes assets to the filesystem.

 *

 * @author Kris Wallsmith <kris.wallsmith@gmail.com>

 */

class AssetWriter

{

    private $dir;

    /**

     * Constructor.

     *

     * @param string $dir The base web directory

     */

    public function __construct($dir)

    {

        $this->dir = $dir;

    }

    public function writeManagerAssets(AssetManager $am)

    {

        foreach ($am->getNames() as $name) {

            $this->writeAsset($am->get($name));

        }

    }

    public function writeAsset(AssetInterface $asset)

    {

        static::write($this->dir . '/' . $asset->getTargetPath(), $asset->dump());

    }

    static protected function write($path, $contents)

    {

        if (!is_dir($dir = dirname($path)) && false === @mkdir($dir, 0777, true)) {

            throw new \RuntimeException('Unable to create directory '.$dir);

        }

        if (false === @file_put_contents($path, $contents)) {

            throw new \RuntimeException('Unable to write file '.$path);

        }

    }

}