add wp-rocket

wp-content/plugins/wp-rocket/inc/Engine/Optimization/Minify/CSS/AbstractCSSOptimization.php

@@ -0,0 +1,148 @@
+<?php
+
+namespace WP_Rocket\Engine\Optimization\Minify\CSS;
+
+use WP_Rocket\Admin\Options_Data;
+use WP_Rocket\Engine\Optimization\AbstractOptimization;
+use WP_Rocket\Engine\Optimization\AssetsLocalCache;
+
+/**
+ * Abstract class for CSS Optimization
+ *
+ * @since  3.1
+ */
+abstract class AbstractCSSOptimization extends AbstractOptimization {
+	const FILE_TYPE = 'css';
+
+	/**
+	 * Assets local cache instance
+	 *
+	 * @var AssetsLocalCache
+	 */
+	protected $local_cache;
+
+	/**
+	 * Creates an instance of inheriting class.
+	 *
+	 * @since  3.1
+	 *
+	 * @param Options_Data     $options     Options instance.
+	 * @param AssetsLocalCache $local_cache AssetsLocalCache instance.
+	 */
+	public function __construct( Options_Data $options, AssetsLocalCache $local_cache ) {
+		$this->options        = $options;
+		$this->local_cache    = $local_cache;
+		$this->minify_key     = $this->options->get( 'minify_css_key', create_rocket_uniqid() );
+		$this->excluded_files = $this->get_excluded_files();
+		$this->init_base_path_and_url();
+	}
+
+	/**
+	 * Get all files to exclude from minification/concatenation.
+	 *
+	 * @since  2.11
+	 *
+	 * @return string
+	 */
+	protected function get_excluded_files() {
+		$excluded_files = $this->options->get( 'exclude_css', [] );
+
+		/**
+		 * Filters CSS files to exclude from minification/concatenation.
+		 *
+		 * @since 2.6
+		 *
+		 * @param array $excluded_files List of excluded CSS files.
+		 */
+		$excluded_files = (array) apply_filters( 'rocket_exclude_css', $excluded_files );
+
+		if ( empty( $excluded_files ) ) {
+			return '';
+		}
+
+		foreach ( $excluded_files as $i => $excluded_file ) {
+			$excluded_files[ $i ] = str_replace( '#', '\#', $excluded_file );
+		}
+
+		return implode( '|', $excluded_files );
+	}
+
+	/**
+	 * Returns the CDN zones.
+	 *
+	 * @since  3.1
+	 *
+	 * @return array
+	 */
+	public function get_zones() {
+		return [ 'all', 'css_and_js', self::FILE_TYPE ];
+	}
+
+	/**
+	 * Gets the minify URL
+	 *
+	 * @since  3.1
+	 *
+	 * @param string $filename     Minified filename.
+	 * @param string $original_url Original URL for this file. Optional.
+	 *
+	 * @return string
+	 */
+	protected function get_minify_url( $filename, $original_url = '' ) {
+		$minify_url = $this->minify_base_url . $filename;
+
+		/**
+		 * Filters CSS file URL with CDN hostname
+		 *
+		 * @since 2.1
+		 *
+		 * @param string $minify_url   Minified file URL.
+		 * @param string $original_url Original URL for this file.
+		 */
+		return apply_filters( 'rocket_css_url', $minify_url, $original_url );
+	}
+
+	/**
+	 * Determines if it is a file excluded from minification
+	 *
+	 * @since  2.11
+	 *
+	 * @param array $tag Tag corresponding to a CSS file.
+	 *
+	 * @return bool True if it is a file excluded, false otherwise
+	 */
+	protected function is_minify_excluded_file( array $tag ) {
+		if ( ! isset( $tag[0], $tag['url'] ) ) {
+			return true;
+		}
+
+		// File should not be minified.
+		if ( false !== strpos( $tag[0], 'data-minify=' ) || false !== strpos( $tag[0], 'data-no-minify=' ) ) {
+			return true;
+		}
+
+		if ( false !== strpos( $tag[0], 'media=' ) && ! preg_match( '/media=["\'](?:\s*|[^"\']*?\b(all|screen)\b[^"\']*?)["\']/i', $tag[0] ) ) {
+			return true;
+		}
+
+		if ( false !== strpos( $tag[0], 'only screen and' ) ) {
+			return true;
+		}
+
+		$file_path = wp_parse_url( $tag['url'], PHP_URL_PATH );
+
+		// File extension is not css.
+		if ( pathinfo( $file_path, PATHINFO_EXTENSION ) !== self::FILE_TYPE ) {
+			return true;
+		}
+
+		if ( ! empty( $this->excluded_files ) ) {
+			// File is excluded from minification/concatenation.
+			if ( preg_match( '#^(' . $this->excluded_files . ')$#', $file_path ) ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+}