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<?php |
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/** |
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* laravel-assets: asset management for Laravel 5 |
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* |
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* Copyright (c) 2021 Greg Roach |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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namespace Fisharebest\LaravelAssets\Filters; |
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use Fisharebest\LaravelAssets\Assets; |
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use Fisharebest\LaravelAssets\SetStateTrait; |
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class RewriteCssUrls implements FilterInterface |
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{ |
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use SetStateTrait; |
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/** |
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* Rewrite relative URLs in CSS files to take account of their new location. |
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* |
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* CSS files may contain relative URLs, such as "background-image: url(img.jpg)". |
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* If our processed CSS file is in a different location, such as "min" instead of |
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* "css", then we must rewrite this to "background-image: url(../css/img.jpg)". |
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* |
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* @param string $data The data to be filtered |
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* @param string $asset_url The original URL for this data |
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* @param Assets $assets The asset manager object, for access to its config settings and utilities |
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* |
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* @return string |
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*/ |
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public function filter($data, $asset_url, $assets) |
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{ |
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if ($assets->isAbsoluteUrl($asset_url)) { |
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$prefix = dirname($asset_url); |
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} else { |
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$destination = $assets->getCssSource() . '/' . dirname($asset_url); |
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$prefix = $assets->relativePath($assets->getDestination(), $destination); |
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} |
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$data = preg_replace_callback([ |
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'/(\burl\s*\(\s*")([^"]+?)("\s*\))/', |
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'/(\burl\s*\(\s*\')([^\']+?)(\'\s*\))/', |
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'/(\burl\s*\(\s*)([^\'"]+?)(\s*\))/', |
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], function ($matches) use ($assets, $prefix) { |
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if ($assets->isAbsoluteUrl($matches[2])) { |
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return $matches[0]; |
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} else { |
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return $matches[1] . $assets->normalizePath($prefix . '/' . $matches[2]) . $matches[3]; |
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} |
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}, $data); |
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return $data; |
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} |
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} |
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fisharebest /
laravel-assets
