83 lines
1.8 KiB
PHP
83 lines
1.8 KiB
PHP
<?php
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/*
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* This file is part of the Assetic package, an OpenSky project.
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*
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* (c) 2010-2012 OpenSky Project Inc
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Assetic\Filter;
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use Assetic\Asset\AssetInterface;
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/**
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* A collection of filters.
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*
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* @author Kris Wallsmith <kris.wallsmith@gmail.com>
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*/
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class FilterCollection implements FilterInterface, \IteratorAggregate, \Countable
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{
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private $filters = array();
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public function __construct($filters = array())
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{
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foreach ($filters as $filter) {
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$this->ensure($filter);
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}
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}
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/**
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* Checks that the current collection contains the supplied filter.
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*
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* If the supplied filter is another filter collection, each of its
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* filters will be checked.
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*/
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public function ensure(FilterInterface $filter)
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{
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if ($filter instanceof \Traversable) {
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foreach ($filter as $f) {
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$this->ensure($f);
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}
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} elseif (!in_array($filter, $this->filters, true)) {
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$this->filters[] = $filter;
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}
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}
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public function all()
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{
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return $this->filters;
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}
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public function clear()
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{
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$this->filters = array();
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}
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public function filterLoad(AssetInterface $asset)
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{
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foreach ($this->filters as $filter) {
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$filter->filterLoad($asset);
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}
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}
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public function filterDump(AssetInterface $asset)
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{
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foreach ($this->filters as $filter) {
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$filter->filterDump($asset);
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}
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}
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public function getIterator()
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{
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return new \ArrayIterator($this->filters);
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}
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public function count()
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{
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return count($this->filters);
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}
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}
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