<?php
-
+/**
+ * BackPress Scripts enqueue.
+ *
+ * These classes were refactored from the WordPress WP_Scripts and WordPress
+ * script enqueue API.
+ *
+ * @package BackPress
+ * @since r74
+ */
+
+/**
+ * BackPress enqueued dependiences class.
+ *
+ * @package BackPress
+ * @uses _WP_Dependency
+ * @since r74
+ */
class WP_Dependencies {
var $registered = array();
var $queue = array();
var $to_do = array();
var $done = array();
var $args = array();
+ var $groups = array();
+ var $group = 0;
function WP_Dependencies() {
$args = func_get_args();
*
* Process the items passed to it or the queue. Processes all dependencies.
*
- * @param mixed handles (optional) items to be processed. (void) processes queue, (string) process that item, (array of strings) process those items
+ * @param mixed $handles (optional) items to be processed. (void) processes queue, (string) process that item, (array of strings) process those items
* @return array Items that have been processed
*/
- function do_items( $handles = false ) {
- // Print the queue if nothing is passed. If a string is passed, print that script. If an array is passed, print those scripts.
+ function do_items( $handles = false, $group = false ) {
+ // Print the queue if nothing is passed. If a string is passed, print that script. If an array is passed, print those scripts.
$handles = false === $handles ? $this->queue : (array) $handles;
$this->all_deps( $handles );
- foreach( $this->to_do as $handle ) {
+ foreach( $this->to_do as $key => $handle ) {
if ( !in_array($handle, $this->done) && isset($this->registered[$handle]) ) {
- if ( $this->registered[$handle]->src ) { // Else it defines a group.
- $this->do_item( $handle );
+
+ if ( ! $this->registered[$handle]->src ) { // Defines a group.
+ $this->done[] = $handle;
+ continue;
}
- $this->done[] = $handle;
+
+ if ( $this->do_item( $handle, $group ) )
+ $this->done[] = $handle;
+
+ unset( $this->to_do[$key] );
}
}
- $this->to_do = array();
return $this->done;
}
*
* Recursively builds array of items to process taking dependencies into account. Does NOT catch infinite loops.
*
-
- * @param mixed handles Accepts (string) dep name or (array of strings) dep names
- * @param bool recursion Used internally when function calls itself
+ *
+ * @param mixed $handles Accepts (string) dep name or (array of strings) dep names
+ * @param bool $recursion Used internally when function calls itself
*/
- function all_deps( $handles, $recursion = false ) {
+ function all_deps( $handles, $recursion = false, $group = false ) {
if ( !$handles = (array) $handles )
return false;
foreach ( $handles as $handle ) {
- $handle = explode('?', $handle);
- if ( isset($handle[1]) )
- $this->args[$handle[0]] = $handle[1];
- $handle = $handle[0];
+ $handle_parts = explode('?', $handle);
+ $handle = $handle_parts[0];
+ $queued = in_array($handle, $this->to_do, true);
- if ( isset($this->to_do[$handle]) ) // Already grobbed it and its deps
+ if ( in_array($handle, $this->done, true) ) // Already done
+ continue;
+
+ $moved = $this->set_group( $handle, $recursion, $group );
+
+ if ( $queued && !$moved ) // already queued and in the right group
continue;
$keep_going = true;
$keep_going = false; // Script doesn't exist
elseif ( $this->registered[$handle]->deps && array_diff($this->registered[$handle]->deps, array_keys($this->registered)) )
$keep_going = false; // Script requires deps which don't exist (not a necessary check. efficiency?)
- elseif ( $this->registered[$handle]->deps && !$this->all_deps( $this->registered[$handle]->deps, true ) )
+ elseif ( $this->registered[$handle]->deps && !$this->all_deps( $this->registered[$handle]->deps, true, $group ) )
$keep_going = false; // Script requires deps which don't exist
if ( !$keep_going ) { // Either script or its deps don't exist.
return false; // Abort this branch.
else
continue; // We're at the top level. Move on to the next one.
- }
+ }
+
+ if ( $queued ) // Already grobbed it and its deps
+ continue;
- $this->to_do[$handle] = true;
+ if ( isset($handle_parts[1]) )
+ $this->args[$handle] = $handle_parts[1];
+
+ $this->to_do[] = $handle;
}
- if ( !$recursion ) // at the end
- $this->to_do = array_keys( $this->to_do );
return true;
}
*
* Adds the item only if no item of that name already exists
*
- * @param string handle Script name
- * @param string src Script url
- * @param array deps (optional) Array of script names on which this script depends
- * @param string ver (optional) Script version (used for cache busting)
+ * @param string $handle Script name
+ * @param string $src Script url
+ * @param array $deps (optional) Array of script names on which this script depends
+ * @param string $ver (optional) Script version (used for cache busting)
* @return array Hierarchical array of dependencies
*/
function add( $handle, $src, $deps = array(), $ver = false, $args = null ) {
*
* Adds data only if script has already been added
*
- * @param string handle Script name
- * @param string data_name Name of object in which to store extra data
- * @param array data Array of extra data
+ * @param string $handle Script name
+ * @param string $data_name Name of object in which to store extra data
+ * @param array $data Array of extra data
* @return bool success
*/
function add_data( $handle, $data_name, $data ) {
}
function dequeue( $handles ) {
- foreach ( (array) $handles as $handle )
- unset( $this->queue[$handle] );
+ foreach ( (array) $handles as $handle ) {
+ $handle = explode('?', $handle);
+ $key = array_search($handle[0], $this->queue);
+ if ( false !== $key ) {
+ unset($this->queue[$key]);
+ unset($this->args[$handle[0]]);
+ }
+ }
}
function query( $handle, $list = 'registered' ) { // registered, queue, done, to_do
return false;
}
+ function set_group( $handle, $recursion, $group ) {
+ $group = (int) $group;
+
+ if ( $recursion )
+ $group = min($this->group, $group);
+ else
+ $this->group = $group;
+
+ if ( isset($this->groups[$handle]) && $this->groups[$handle] <= $group )
+ return false;
+
+ $this->groups[$handle] = $group;
+ return true;
+ }
+
}
class _WP_Dependency {
@list($this->handle, $this->src, $this->deps, $this->ver, $this->args) = func_get_args();
if ( !is_array($this->deps) )
$this->deps = array();
- if ( !$this->ver )
- $this->ver = false;
}
function add_data( $name, $data ) {
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff