<?php

namespace Assetic\Filter;

use Assetic\Asset\AssetInterface;

/**
 * Fixes relative CSS urls.
 *
 * @author Kris Wallsmith <kris.wallsmith@gmail.com>
 */
class CssRewriteFilter extends BaseCssFilter
{
	public function filterLoad(AssetInterface $asset)
	{
	}


	public function filterDump(AssetInterface $asset)
	{
		$sourceBase = $asset->getSourceRoot();
		$sourcePath = $asset->getSourcePath();
		$targetPath = $asset->getTargetPath();

		if (null === $sourcePath || null === $targetPath || $sourcePath == $targetPath) {
		    return;
		}

		// learn how to get from the target back to the source
		if (false !== strpos($sourceBase, '://')) {
		    list($scheme, $url) = explode('://', $sourceBase.'/'.$sourcePath, 2);
		    list($host, $path) = explode('/', $url, 2);

		    $host = $scheme.'://'.$host.'/';
		    $path = false === strpos($path, '/') ? '' : dirname($path);
		    $path .= '/';
		} else {
		    // assume source and target are on the same host
		    $host = '';

		    // pop entries off the target until it fits in the source
		    if ('.' == dirname($sourcePath)) {
		        $path = str_repeat('../', substr_count($targetPath, '/'));
		    } elseif ('.' == $targetDir = dirname($targetPath)) {
		        $path = dirname($sourcePath).'/';
		    } else {
		        $path = '';
		        while (0 !== strpos($sourcePath, $targetDir)) {
		            if (false !== $pos = strrpos($targetDir, '/')) {
		                $targetDir = substr($targetDir, 0, $pos);
		                $path .= '../';
		            } else {
		                $targetDir = '';
		                $path .= '../';
		                break;
		            }
		        }
		        $path .= ltrim(substr(dirname($sourcePath).'/', strlen($targetDir)), '/');
		    }
		}

		$content = $this->filterReferences($asset->getContent(), function($matches) use ($host, $path) {
		    if (false !== strpos($matches['url'], '://') || 0 === strpos($matches['url'], '//') || 0 === strpos($matches['url'], 'data:')) {
		        // absolute or protocol-relative or data uri
		        return $matches[0];
		    }

		    if ('/' == $matches['url'][0]) {
		        // root relative
		        return str_replace($matches['url'], $host.$matches['url'], $matches[0]);
		    }

		    // document relative
		    $url = $matches['url'];
		    while (0 === strpos($url, '../') && 2 <= substr_count($path, '/')) {
		        $path = substr($path, 0, strrpos(rtrim($path, '/'), '/') + 1);
		        $url = substr($url, 3);
		    }

		    return str_replace($matches['url'], $host.$path.$url, $matches[0]);
		});

		$asset->setContent($content);
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTYyNzQyODA2MDE1NzczNiA3MDMwNzc1MjA5OTgzOTA0IDc4MjY0NjkwODQwMDQwMDM=