X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/80b7979fccf09a75af3f4c111fa27060ae6dbf85..8d3bb1a5dcfdea9857d3c88c3751f09593e34dc8:/wp-includes/class.wp-scripts.php diff --git a/wp-includes/class.wp-scripts.php b/wp-includes/class.wp-scripts.php index ff0ca4d5..81634ece 100644 --- a/wp-includes/class.wp-scripts.php +++ b/wp-includes/class.wp-scripts.php @@ -1,66 +1,218 @@ init(); - else - add_action( 'init', array( $this, 'init' ), 0 ); + /** + * Base URL for scripts. + * + * Full URL with trailing slash. + * + * @since 2.6.0 + * @access public + * @var string + */ + public $base_url; + + /** + * URL of the content directory. + * + * @since 2.8.0 + * @access public + * @var string + */ + public $content_url; + + /** + * Default version string for stylesheets. + * + * @since 2.6.0 + * @access public + * @var string + */ + public $default_version; + + /** + * Holds handles of scripts which are enqueued in footer. + * + * @since 2.8.0 + * @access public + * @var array + */ + public $in_footer = array(); + + /** + * Holds a list of script handles which will be concatenated. + * + * @since 2.8.0 + * @access public + * @var string + */ + public $concat = ''; + + /** + * Holds a string which contains script handles and their version. + * + * @since 2.8.0 + * @deprecated 3.4.0 + * @access public + * @var string + */ + public $concat_version = ''; + + /** + * Whether to perform concatenation. + * + * @since 2.8.0 + * @access public + * @var bool + */ + public $do_concat = false; + + /** + * Holds HTML markup of scripts and additional data if concatenation + * is enabled. + * + * @since 2.8.0 + * @access public + * @var string + */ + public $print_html = ''; + + /** + * Holds inline code if concatenation is enabled. + * + * @since 2.8.0 + * @access public + * @var string + */ + public $print_code = ''; + + /** + * Holds a list of script handles which are not in the default directory + * if concatenation is enabled. + * + * Unused in core. + * + * @since 2.8.0 + * @access public + * @var string + */ + public $ext_handles = ''; + + /** + * Holds a string which contains handles and versions of scripts which + * are not in the default directory if concatenation is enabled. + * + * Unused in core. + * + * @since 2.8.0 + * @access public + * @var string + */ + public $ext_version = ''; + + /** + * List of default directories. + * + * @since 2.8.0 + * @access public + * @var array + */ + public $default_dirs; + + /** + * Constructor. + * + * @since 2.6.0 + * @access public + */ + public function __construct() { + $this->init(); + add_action( 'init', array( $this, 'init' ), 0 ); } - function init() { + /** + * Initialize the class. + * + * @since 3.4.0 + * @access public + */ + public function init() { + /** + * Fires when the WP_Scripts instance is initialized. + * + * @since 2.6.0 + * + * @param WP_Scripts &$this WP_Scripts instance, passed by reference. + */ do_action_ref_array( 'wp_default_scripts', array(&$this) ); } /** - * Prints scripts + * Prints scripts. * * Prints the scripts passed to it or the print queue. Also prints all necessary dependencies. * - * @param mixed $handles (optional) Scripts to be printed. (void) prints queue, (string) prints that script, (array of strings) prints those scripts. - * @param int $group (optional) If scripts were queued in groups prints this group number. - * @return array Scripts that have been printed + * @since 2.1.0 + * @since 2.8.0 Added the `$group` parameter. + * @access public + * + * @param mixed $handles Optional. Scripts to be printed. (void) prints queue, (string) prints + * that script, (array of strings) prints those scripts. Default false. + * @param int $group Optional. If scripts were queued in groups prints this group number. + * Default false. + * @return array Scripts that have been printed. */ - function print_scripts( $handles = false, $group = false ) { + public function print_scripts( $handles = false, $group = false ) { return $this->do_items( $handles, $group ); } - // Deprecated since 3.3, see print_extra_script() - function print_scripts_l10n( $handle, $echo = true ) { - _deprecated_function( __FUNCTION__, '3.3', 'print_extra_script()' ); + /** + * Prints extra scripts of a registered script. + * + * @since 2.1.0 + * @since 2.8.0 Added the `$echo` parameter. + * @deprecated 3.3.0 + * @access public + * + * @see print_extra_script() + * + * @param string $handle The script's registered handle. + * @param bool $echo Optional. Whether to echo the extra script instead of just returning it. + * Default true. + * @return bool|string|void Void if no data exists, extra scripts if `$echo` is true, true otherwise. + */ + public function print_scripts_l10n( $handle, $echo = true ) { + _deprecated_function( __FUNCTION__, '3.3.0', 'print_extra_script()' ); return $this->print_extra_script( $handle, $echo ); } - function print_extra_script( $handle, $echo = true ) { + /** + * Prints extra scripts of a registered script. + * + * @since 3.3.0 + * @access public + * + * @param string $handle The script's registered handle. + * @param bool $echo Optional. Whether to echo the extra script instead of just returning it. + * Default true. + * @return bool|string|void Void if no data exists, extra scripts if `$echo` is true, true otherwise. + */ + public function print_extra_script( $handle, $echo = true ) { if ( !$output = $this->get_data( $handle, 'data' ) ) return; @@ -76,7 +228,20 @@ class WP_Scripts extends WP_Dependencies { return true; } - function do_item( $handle, $group = false ) { + /** + * Processes a script dependency. + * + * @since 2.6.0 + * @since 2.8.0 Added the `$group` parameter. + * @access public + * + * @see WP_Dependencies::do_item() + * + * @param string $handle The script's registered handle. + * @param int|false $group Optional. Group level: (int) level, (false) no groups. Default false. + * @return bool True on success, false on failure. + */ + public function do_item( $handle, $group = false ) { if ( !parent::do_item($handle) ) return false; @@ -88,19 +253,55 @@ class WP_Scripts extends WP_Dependencies { if ( false === $group && in_array($handle, $this->in_footer, true) ) $this->in_footer = array_diff( $this->in_footer, (array) $handle ); - if ( null === $this->registered[$handle]->ver ) + $obj = $this->registered[$handle]; + + if ( null === $obj->ver ) { $ver = ''; - else - $ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version; + } else { + $ver = $obj->ver ? $obj->ver : $this->default_version; + } if ( isset($this->args[$handle]) ) $ver = $ver ? $ver . '&' . $this->args[$handle] : $this->args[$handle]; - $src = $this->registered[$handle]->src; + $src = $obj->src; + $cond_before = $cond_after = ''; + $conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : ''; + + if ( $conditional ) { + $cond_before = "\n"; + } + + $before_handle = $this->print_inline_script( $handle, 'before', false ); + $after_handle = $this->print_inline_script( $handle, 'after', false ); + + if ( $before_handle ) { + $before_handle = sprintf( "\n", $before_handle ); + } + + if ( $after_handle ) { + $after_handle = sprintf( "\n", $after_handle ); + } if ( $this->do_concat ) { + /** + * Filters the script loader source. + * + * @since 2.2.0 + * + * @param string $src Script loader source path. + * @param string $handle Script handle. + */ $srce = apply_filters( 'script_loader_src', $src, $handle ); - if ( $this->in_default_dir($srce) ) { + + if ( $this->in_default_dir( $srce ) && ( $before_handle || $after_handle ) ) { + $this->do_concat = false; + + // Have to print the so-far concatenated scripts right away to maintain the right order. + _print_scripts(); + $this->reset(); + } elseif ( $this->in_default_dir( $srce ) && ! $conditional ) { $this->print_code .= $this->print_extra_script( $handle, false ); $this->concat .= "$handle,"; $this->concat_version .= "$handle$ver"; @@ -111,30 +312,129 @@ class WP_Scripts extends WP_Dependencies { } } + $has_conditional_data = $conditional && $this->get_data( $handle, 'data' ); + + if ( $has_conditional_data ) { + echo $cond_before; + } + $this->print_extra_script( $handle ); - if ( !preg_match('|^https?://|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) { + + if ( $has_conditional_data ) { + echo $cond_after; + } + + // A single item may alias a set of items, by having dependencies, but no source. + if ( ! $obj->src ) { + return true; + } + + if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && 0 === strpos( $src, $this->content_url ) ) ) { $src = $this->base_url . $src; } - if ( !empty($ver) ) - $src = add_query_arg('ver', $ver, $src); + if ( ! empty( $ver ) ) + $src = add_query_arg( 'ver', $ver, $src ); + /** This filter is documented in wp-includes/class.wp-scripts.php */ $src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) ); - if ( $this->do_concat ) - $this->print_html .= "\n"; - else - echo "\n"; + if ( ! $src ) + return true; + + $tag = "{$cond_before}{$before_handle}\n{$after_handle}{$cond_after}"; + + /** + * Filters the HTML script tag of an enqueued script. + * + * @since 4.1.0 + * + * @param string $tag The `\n", $output ); + } + + return $output; + } + + /** + * Localizes a script, only if the script has already been added. + * + * @since 2.1.0 + * @access public + * + * @param string $handle + * @param string $object_name + * @param array $l10n + * @return bool + */ + public function localize( $handle, $object_name, $l10n ) { + if ( $handle === 'jquery' ) + $handle = 'jquery-core'; + if ( is_array($l10n) && isset($l10n['l10n_print_after']) ) { // back compat, preserve the code in 'l10n_print_after' if present $after = $l10n['l10n_print_after']; unset($l10n['l10n_print_after']); @@ -147,7 +447,7 @@ class WP_Scripts extends WP_Dependencies { $l10n[$key] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8'); } - $script = "var $object_name = " . json_encode($l10n) . ';'; + $script = "var $object_name = " . wp_json_encode( $l10n ) . ';'; if ( !empty($after) ) $script .= "\n$after;"; @@ -160,9 +460,21 @@ class WP_Scripts extends WP_Dependencies { return $this->add_data( $handle, 'data', $script ); } - function set_group( $handle, $recursion, $group = false ) { - - if ( $this->registered[$handle]->args === 1 ) + /** + * Sets handle group. + * + * @since 2.8.0 + * @access public + * + * @see WP_Dependencies::set_group() + * + * @param string $handle Name of the item. Should be unique. + * @param bool $recursion Internal flag that calling function was called recursively. + * @param int|false $group Optional. Group level: (int) level, (false) no groups. Default false. + * @return bool Not already in the group or a lower group + */ + public function set_group( $handle, $recursion, $group = false ) { + if ( isset( $this->registered[$handle]->args ) && $this->registered[$handle]->args === 1 ) $grp = 1; else $grp = (int) $this->get_data( $handle, 'group' ); @@ -173,38 +485,97 @@ class WP_Scripts extends WP_Dependencies { return parent::set_group( $handle, $recursion, $grp ); } - function all_deps( $handles, $recursion = false, $group = false ) { - $r = parent::all_deps( $handles, $recursion ); - if ( !$recursion ) + /** + * Determines script dependencies. + * + * @since 2.1.0 + * @access public + * + * @see WP_Dependencies::all_deps() + * + * @param mixed $handles Item handle and argument (string) or item handles and arguments (array of strings). + * @param bool $recursion Internal flag that function is calling itself. + * @param int|false $group Optional. Group level: (int) level, (false) no groups. 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 list of script dependencies left to print. + * + * @since 2.3.0 + * + * @param array $to_do An array of script dependencies. + */ $this->to_do = apply_filters( 'print_scripts_array', $this->to_do ); + } return $r; } - function do_head_items() { + /** + * Processes items and dependencies for the head group. + * + * @since 2.8.0 + * @access public + * + * @see WP_Dependencies::do_items() + * + * @return array Handles of items that have been processed. + */ + public function do_head_items() { $this->do_items(false, 0); return $this->done; } - function do_footer_items() { + /** + * Processes items and dependencies for the footer group. + * + * @since 2.8.0 + * @access public + * + * @see WP_Dependencies::do_items() + * + * @return array Handles of items that have been processed. + */ + public function do_footer_items() { $this->do_items(false, 1); return $this->done; } - function in_default_dir($src) { - if ( ! $this->default_dirs ) + /** + * Whether a handle's source is in a default directory. + * + * @since 2.8.0 + * @access public + * + * @param string $src The source of the enqueued script. + * @return bool True if found, false if not. + */ + public function in_default_dir( $src ) { + if ( ! $this->default_dirs ) { return true; + } - if ( 0 === strpos( $src, '/wp-includes/js/l10n' ) ) + if ( 0 === strpos( $src, '/' . WPINC . '/js/l10n' ) ) { return false; + } foreach ( (array) $this->default_dirs as $test ) { - if ( 0 === strpos($src, $test) ) + if ( 0 === strpos( $src, $test ) ) { return true; + } } return false; } - function reset() { + /** + * Resets class properties. + * + * @since 2.8.0 + * @access public + */ + public function reset() { $this->do_concat = false; $this->print_code = ''; $this->concat = '';