| 1 |
<?php |
| 2 |
namespace Upress\EzCache\FileOptimizer; |
| 3 |
|
| 4 |
use Upress\EzCache\Cache; |
| 5 |
use Upress\EzCache\ThirdParty\Minify_CSS_UriRewriter; |
| 6 |
|
| 7 |
abstract class BaseFileOptimizer { |
| 8 |
static $FILE_TYPE = ''; |
| 9 |
|
| 10 |
function optimize( $html ) { |
| 11 |
return $html; |
| 12 |
} |
| 13 |
|
| 14 |
/** |
| 15 |
* Check if the files is on a different host |
| 16 |
* |
| 17 |
* @param string $url |
| 18 |
* |
| 19 |
* @return bool |
| 20 |
*/ |
| 21 |
function is_external_file( $url ) { |
| 22 |
$file = wp_parse_url( $url ); |
| 23 |
$wp_content = wp_parse_url( WP_CONTENT_URL ); |
| 24 |
|
| 25 |
// URL has domain and domain is not part of the internal domains. |
| 26 |
if ( isset( $file['host'] ) && ! empty( $file['host'] ) && $file['host'] != $wp_content['host'] ) { |
| 27 |
return true; |
| 28 |
} |
| 29 |
|
| 30 |
// URL has no domain and doesn't contain the WP_CONTENT path or wp-includes. |
| 31 |
if ( ! isset( $file['host'] ) && ! preg_match( '#(' . $wp_content['path'] . '|wp-includes)#', $file['path'] ) ) { |
| 32 |
return true; |
| 33 |
} |
| 34 |
|
| 35 |
return false; |
| 36 |
} |
| 37 |
|
| 38 |
/** |
| 39 |
* Get a path to the file by URL ignoring the query string |
| 40 |
* |
| 41 |
* @param string $url |
| 42 |
* |
| 43 |
* @return bool|string |
| 44 |
*/ |
| 45 |
function get_file_path( $url ) { |
| 46 |
return Cache::url_to_path( strtok( $url, '?' ) ); |
| 47 |
} |
| 48 |
|
| 49 |
/** |
| 50 |
* Determines if it is a file excluded from minification |
| 51 |
* |
| 52 |
* @param array $tag Tag corresponding to a JS file. |
| 53 |
* |
| 54 |
* @return bool True if it is a file excluded, false otherwise |
| 55 |
*/ |
| 56 |
function is_minify_excluded_file( $tag ) { |
| 57 |
// File should not be minified. |
| 58 |
if ( false !== strpos( $tag[0], 'data-minify=' ) || false !== strpos( $tag[0], 'data-no-minify=' ) ) { |
| 59 |
return true; |
| 60 |
} |
| 61 |
|
| 62 |
$file_path = $this->get_url_component( $tag[2], PHP_URL_PATH ); |
| 63 |
|
| 64 |
if ( static::$FILE_TYPE && pathinfo( $file_path, PATHINFO_EXTENSION ) !== static::$FILE_TYPE ) { |
| 65 |
return true; |
| 66 |
} |
| 67 |
|
| 68 |
$excluded_files = apply_filters( 'ezcache_excluded_minify_files', [] ); |
| 69 |
if ( ! empty( $excluded_files ) ) { |
| 70 |
if ( preg_match( '/^(' . preg_quote( $excluded_files, '/' ) . ')$/', $file_path ) ) { |
| 71 |
return true; |
| 72 |
} |
| 73 |
} |
| 74 |
|
| 75 |
return false; |
| 76 |
} |
| 77 |
|
| 78 |
/** |
| 79 |
* Finds nodes matching the pattern in the HTML |
| 80 |
* |
| 81 |
* @param string $pattern Pattern to match. |
| 82 |
* @param string $html HTML content. |
| 83 |
* |
| 84 |
* @return bool|array |
| 85 |
*/ |
| 86 |
protected function find( $pattern, $html ) { |
| 87 |
$html_nocomments = preg_replace( '/<!--(.*)-->/uUis', '', $html ); |
| 88 |
preg_match_all( '/' . $pattern . '/uUmsi', $html_nocomments, $matches, PREG_SET_ORDER ); |
| 89 |
|
| 90 |
if ( empty( $matches ) ) { |
| 91 |
return false; |
| 92 |
} |
| 93 |
|
| 94 |
return $matches; |
| 95 |
} |
| 96 |
|
| 97 |
/** |
| 98 |
* Rewrites the paths inside the CSS file content |
| 99 |
* |
| 100 |
* @param string $file File path. |
| 101 |
* @param string $content File content. |
| 102 |
* |
| 103 |
* @return string |
| 104 |
*/ |
| 105 |
public function rewrite_paths( $file, $content ) { |
| 106 |
return Minify_CSS_UriRewriter::rewrite( $content, dirname( $file ) ); |
| 107 |
} |
| 108 |
|
| 109 |
public function get_url_component( $url, $component = -1 ) { |
| 110 |
return _get_component_from_parsed_url_array( wp_parse_url( $url ), $component ); |
| 111 |
} |
| 112 |
} |
| 113 |
|
