--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/class-wp-styles.php Fri Sep 05 18:40:08 2025 +0200
@@ -0,0 +1,464 @@
+<?php
+/**
+ * Dependencies API: WP_Styles class
+ *
+ * @since 2.6.0
+ *
+ * @package WordPress
+ * @subpackage Dependencies
+ */
+
+/**
+ * Core class used to register styles.
+ *
+ * @since 2.6.0
+ *
+ * @see WP_Dependencies
+ */
+class WP_Styles extends WP_Dependencies {
+ /**
+ * Base URL for styles.
+ *
+ * Full URL with trailing slash.
+ *
+ * @since 2.6.0
+ * @var string
+ */
+ public $base_url;
+
+ /**
+ * URL of the content directory.
+ *
+ * @since 2.8.0
+ * @var string
+ */
+ public $content_url;
+
+ /**
+ * Default version string for stylesheets.
+ *
+ * @since 2.6.0
+ * @var string
+ */
+ public $default_version;
+
+ /**
+ * The current text direction.
+ *
+ * @since 2.6.0
+ * @var string
+ */
+ public $text_direction = 'ltr';
+
+ /**
+ * Holds a list of style handles which will be concatenated.
+ *
+ * @since 2.8.0
+ * @var string
+ */
+ public $concat = '';
+
+ /**
+ * Holds a string which contains style handles and their version.
+ *
+ * @since 2.8.0
+ * @deprecated 3.4.0
+ * @var string
+ */
+ public $concat_version = '';
+
+ /**
+ * Whether to perform concatenation.
+ *
+ * @since 2.8.0
+ * @var bool
+ */
+ public $do_concat = false;
+
+ /**
+ * Holds HTML markup of styles and additional data if concatenation
+ * is enabled.
+ *
+ * @since 2.8.0
+ * @var string
+ */
+ public $print_html = '';
+
+ /**
+ * Holds inline styles if concatenation is enabled.
+ *
+ * @since 3.3.0
+ * @var string
+ */
+ public $print_code = '';
+
+ /**
+ * List of default directories.
+ *
+ * @since 2.8.0
+ * @var array
+ */
+ public $default_dirs;
+
+ /**
+ * Holds a string which contains the type attribute for style tag.
+ *
+ * If the active theme does not declare HTML5 support for 'style',
+ * then it initializes as `type='text/css'`.
+ *
+ * @since 5.3.0
+ * @var string
+ */
+ private $type_attr = '';
+
+ /**
+ * Constructor.
+ *
+ * @since 2.6.0
+ */
+ public function __construct() {
+ if (
+ function_exists( 'is_admin' ) && ! is_admin()
+ &&
+ function_exists( 'current_theme_supports' ) && ! current_theme_supports( 'html5', 'style' )
+ ) {
+ $this->type_attr = " type='text/css'";
+ }
+
+ /**
+ * Fires when the WP_Styles instance is initialized.
+ *
+ * @since 2.6.0
+ *
+ * @param WP_Styles $wp_styles WP_Styles instance (passed by reference).
+ */
+ do_action_ref_array( 'wp_default_styles', array( &$this ) );
+ }
+
+ /**
+ * Processes a style dependency.
+ *
+ * @since 2.6.0
+ * @since 5.5.0 Added the `$group` parameter.
+ *
+ * @see WP_Dependencies::do_item()
+ *
+ * @param string $handle The style's registered handle.
+ * @param int|false $group Optional. Group level: level (int), no groups (false).
+ * Default false.
+ * @return bool True on success, false on failure.
+ */
+ public function do_item( $handle, $group = false ) {
+ if ( ! parent::do_item( $handle ) ) {
+ return false;
+ }
+
+ $obj = $this->registered[ $handle ];
+
+ if ( null === $obj->ver ) {
+ $ver = '';
+ } else {
+ $ver = $obj->ver ? $obj->ver : $this->default_version;
+ }
+
+ if ( isset( $this->args[ $handle ] ) ) {
+ $ver = $ver ? $ver . '&' . $this->args[ $handle ] : $this->args[ $handle ];
+ }
+
+ $src = $obj->src;
+ $cond_before = '';
+ $cond_after = '';
+ $conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : '';
+
+ if ( $conditional ) {
+ $cond_before = "<!--[if {$conditional}]>\n";
+ $cond_after = "<![endif]-->\n";
+ }
+
+ $inline_style = $this->print_inline_style( $handle, false );
+
+ if ( $inline_style ) {
+ $inline_style_tag = sprintf(
+ "<style id='%s-inline-css'%s>\n%s\n</style>\n",
+ esc_attr( $handle ),
+ $this->type_attr,
+ $inline_style
+ );
+ } else {
+ $inline_style_tag = '';
+ }
+
+ if ( $this->do_concat ) {
+ if ( $this->in_default_dir( $src ) && ! $conditional && ! isset( $obj->extra['alt'] ) ) {
+ $this->concat .= "$handle,";
+ $this->concat_version .= "$handle$ver";
+
+ $this->print_code .= $inline_style;
+
+ return true;
+ }
+ }
+
+ if ( isset( $obj->args ) ) {
+ $media = esc_attr( $obj->args );
+ } else {
+ $media = 'all';
+ }
+
+ // A single item may alias a set of items, by having dependencies, but no source.
+ if ( ! $src ) {
+ if ( $inline_style_tag ) {
+ if ( $this->do_concat ) {
+ $this->print_html .= $inline_style_tag;
+ } else {
+ echo $inline_style_tag;
+ }
+ }
+
+ return true;
+ }
+
+ $href = $this->_css_href( $src, $ver, $handle );
+ if ( ! $href ) {
+ return true;
+ }
+
+ $rel = isset( $obj->extra['alt'] ) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet';
+ $title = isset( $obj->extra['title'] ) ? sprintf( " title='%s'", esc_attr( $obj->extra['title'] ) ) : '';
+
+ $tag = sprintf(
+ "<link rel='%s' id='%s-css'%s href='%s'%s media='%s' />\n",
+ $rel,
+ $handle,
+ $title,
+ $href,
+ $this->type_attr,
+ $media
+ );
+
+ /**
+ * Filters the HTML link tag of an enqueued style.
+ *
+ * @since 2.6.0
+ * @since 4.3.0 Introduced the `$href` parameter.
+ * @since 4.5.0 Introduced the `$media` parameter.
+ *
+ * @param string $tag The link tag for the enqueued style.
+ * @param string $handle The style's registered handle.
+ * @param string $href The stylesheet's source URL.
+ * @param string $media The stylesheet's media attribute.
+ */
+ $tag = apply_filters( 'style_loader_tag', $tag, $handle, $href, $media );
+
+ if ( 'rtl' === $this->text_direction && isset( $obj->extra['rtl'] ) && $obj->extra['rtl'] ) {
+ if ( is_bool( $obj->extra['rtl'] ) || 'replace' === $obj->extra['rtl'] ) {
+ $suffix = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : '';
+ $rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $src, $ver, "$handle-rtl" ) );
+ } else {
+ $rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" );
+ }
+
+ $rtl_tag = sprintf(
+ "<link rel='%s' id='%s-rtl-css'%s href='%s'%s media='%s' />\n",
+ $rel,
+ $handle,
+ $title,
+ $rtl_href,
+ $this->type_attr,
+ $media
+ );
+
+ /** This filter is documented in wp-includes/class-wp-styles.php */
+ $rtl_tag = apply_filters( 'style_loader_tag', $rtl_tag, $handle, $rtl_href, $media );
+
+ if ( 'replace' === $obj->extra['rtl'] ) {
+ $tag = $rtl_tag;
+ } else {
+ $tag .= $rtl_tag;
+ }
+ }
+
+ if ( $this->do_concat ) {
+ $this->print_html .= $cond_before;
+ $this->print_html .= $tag;
+ if ( $inline_style_tag ) {
+ $this->print_html .= $inline_style_tag;
+ }
+ $this->print_html .= $cond_after;
+ } else {
+ echo $cond_before;
+ echo $tag;
+ $this->print_inline_style( $handle );
+ echo $cond_after;
+ }
+
+ return true;
+ }
+
+ /**
+ * Adds extra CSS styles to a registered stylesheet.
+ *
+ * @since 3.3.0
+ *
+ * @param string $handle The style's registered handle.
+ * @param string $code String containing the CSS styles to be added.
+ * @return bool True on success, false on failure.
+ */
+ public function add_inline_style( $handle, $code ) {
+ if ( ! $code ) {
+ return false;
+ }
+
+ $after = $this->get_data( $handle, 'after' );
+ if ( ! $after ) {
+ $after = array();
+ }
+
+ $after[] = $code;
+
+ return $this->add_data( $handle, 'after', $after );
+ }
+
+ /**
+ * Prints extra CSS styles of a registered stylesheet.
+ *
+ * @since 3.3.0
+ *
+ * @param string $handle The style's registered handle.
+ * @param bool $display Optional. Whether to print the inline style
+ * instead of just returning it. Default true.
+ * @return string|bool False if no data exists, inline styles if `$display` is true,
+ * true otherwise.
+ */
+ public function print_inline_style( $handle, $display = true ) {
+ $output = $this->get_data( $handle, 'after' );
+
+ if ( empty( $output ) ) {
+ return false;
+ }
+
+ $output = implode( "\n", $output );
+
+ if ( ! $display ) {
+ return $output;
+ }
+
+ printf(
+ "<style id='%s-inline-css'%s>\n%s\n</style>\n",
+ esc_attr( $handle ),
+ $this->type_attr,
+ $output
+ );
+
+ return true;
+ }
+
+ /**
+ * Determines style dependencies.
+ *
+ * @since 2.6.0
+ *
+ * @see WP_Dependencies::all_deps()
+ *
+ * @param string|string[] $handles Item handle (string) or item handles (array of strings).
+ * @param bool $recursion Optional. Internal flag that function is calling itself.
+ * Default false.
+ * @param int|false $group Optional. Group level: level (int), no groups (false).
+ * Default false.
+ * @return bool True on success, false on failure.
+ */
+ public function all_deps( $handles, $recursion = false, $group = false ) {
+ $r = parent::all_deps( $handles, $recursion, $group );
+ if ( ! $recursion ) {
+ /**
+ * Filters the array of enqueued styles before processing for output.
+ *
+ * @since 2.6.0
+ *
+ * @param string[] $to_do The list of enqueued style handles about to be processed.
+ */
+ $this->to_do = apply_filters( 'print_styles_array', $this->to_do );
+ }
+ return $r;
+ }
+
+ /**
+ * Generates an enqueued style's fully-qualified URL.
+ *
+ * @since 2.6.0
+ *
+ * @param string $src The source of the enqueued style.
+ * @param string $ver The version of the enqueued style.
+ * @param string $handle The style's registered handle.
+ * @return string Style's fully-qualified URL.
+ */
+ public function _css_href( $src, $ver, $handle ) {
+ if ( ! is_bool( $src ) && ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && str_starts_with( $src, $this->content_url ) ) ) {
+ $src = $this->base_url . $src;
+ }
+
+ if ( ! empty( $ver ) ) {
+ $src = add_query_arg( 'ver', $ver, $src );
+ }
+
+ /**
+ * Filters an enqueued style's fully-qualified URL.
+ *
+ * @since 2.6.0
+ *
+ * @param string $src The source URL of the enqueued style.
+ * @param string $handle The style's registered handle.
+ */
+ $src = apply_filters( 'style_loader_src', $src, $handle );
+ return esc_url( $src );
+ }
+
+ /**
+ * Whether a handle's source is in a default directory.
+ *
+ * @since 2.8.0
+ *
+ * @param string $src The source of the enqueued style.
+ * @return bool True if found, false if not.
+ */
+ public function in_default_dir( $src ) {
+ if ( ! $this->default_dirs ) {
+ return true;
+ }
+
+ foreach ( (array) $this->default_dirs as $test ) {
+ if ( str_starts_with( $src, $test ) ) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Processes items and dependencies for the footer group.
+ *
+ * HTML 5 allows styles in the body, grab late enqueued items and output them in the footer.
+ *
+ * @since 3.3.0
+ *
+ * @see WP_Dependencies::do_items()
+ *
+ * @return string[] Handles of items that have been processed.
+ */
+ public function do_footer_items() {
+ $this->do_items( false, 1 );
+ return $this->done;
+ }
+
+ /**
+ * Resets class properties.
+ *
+ * @since 3.3.0
+ */
+ public function reset() {
+ $this->do_concat = false;
+ $this->concat = '';
+ $this->concat_version = '';
+ $this->print_html = '';
+ }
+}