<?php
/*
* This file is part of the Assetic package, an OpenSky project.
*
* (c) 2010-2013 OpenSky Project Inc
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Assetic\Asset;
use Assetic\Filter\FilterInterface;
use Assetic\Util\VarUtils;
/**
* A collection of assets loaded by glob.
*
* @author Kris Wallsmith <kris.wallsmith@gmail.com>
*/
class GlobAsset extends AssetCollection {
private $globs;
private $initialized;
/**
* Constructor.
*
* @param string|array $globs A single glob path or array of paths
* @param array $filters An array of filters
* @param string $root The root directory
* @param array $vars
*/
public function __construct($globs, $filters = array(), $root = null, array $vars = array()) {
$this->globs = (array) $globs;
$this->initialized = false;
parent::__construct(array(), $filters, $root, $vars);
}
public function all() {
if (!$this->initialized) {
$this
->initialize();
}
return parent::all();
}
public function load(FilterInterface $additionalFilter = null) {
if (!$this->initialized) {
$this
->initialize();
}
parent::load($additionalFilter);
}
public function dump(FilterInterface $additionalFilter = null) {
if (!$this->initialized) {
$this
->initialize();
}
return parent::dump($additionalFilter);
}
public function getLastModified() {
if (!$this->initialized) {
$this
->initialize();
}
return parent::getLastModified();
}
public function getIterator() {
if (!$this->initialized) {
$this
->initialize();
}
return parent::getIterator();
}
public function setValues(array $values) {
parent::setValues($values);
$this->initialized = false;
}
/**
* Initializes the collection based on the glob(s) passed in.
*/
private function initialize() {
foreach ($this->globs as $glob) {
$glob = VarUtils::resolve($glob, $this
->getVars(), $this
->getValues());
if (false !== ($paths = glob($glob))) {
foreach ($paths as $path) {
if (is_file($path)) {
$this
->add(new FileAsset($path, array(), $this
->getSourceRoot()));
}
}
}
}
$this->initialized = true;
}
}