106 lines
2.7 KiB
PHP
106 lines
2.7 KiB
PHP
<?php
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/**
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* HTML API: WP_HTML_Token class
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*
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* @package WordPress
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* @subpackage HTML-API
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* @since 6.4.0
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*/
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/**
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* Core class used by the HTML processor during HTML parsing
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* for referring to tokens in the input HTML string.
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*
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* This class is designed for internal use by the HTML processor.
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*
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* @since 6.4.0
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*
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* @access private
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*
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* @see WP_HTML_Processor
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*/
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class WP_HTML_Token {
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/**
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* Name of bookmark corresponding to source of token in input HTML string.
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*
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* Having a bookmark name does not imply that the token still exists. It
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* may be that the source token and underlying bookmark was wiped out by
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* some modification to the source HTML.
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*
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* @since 6.4.0
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*
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* @var string
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*/
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public $bookmark_name = null;
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/**
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* Name of node; lowercase names such as "marker" are not HTML elements.
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*
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* For HTML elements/tags this value should come from WP_HTML_Processor::get_tag().
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*
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* @since 6.4.0
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*
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* @see WP_HTML_Processor::get_tag()
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*
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* @var string
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*/
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public $node_name = null;
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/**
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* Whether node contains the self-closing flag.
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*
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* A node may have a self-closing flag when it shouldn't. This value
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* only reports if the flag is present in the original HTML.
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*
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* @since 6.4.0
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*
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* @see https://html.spec.whatwg.org/#self-closing-flag
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*
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* @var bool
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*/
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public $has_self_closing_flag = false;
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/**
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* Called when token is garbage-collected or otherwise destroyed.
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*
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* @var callable|null
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*/
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public $on_destroy = null;
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/**
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* Constructor - creates a reference to a token in some external HTML string.
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*
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* @since 6.4.0
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*
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* @param string $bookmark_name Name of bookmark corresponding to location in HTML where token is found.
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* @param string $node_name Name of node token represents; if uppercase, an HTML element; if lowercase, a special value like "marker".
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* @param bool $has_self_closing_flag Whether the source token contains the self-closing flag, regardless of whether it's valid.
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* @param callable $on_destroy Function to call when destroying token, useful for releasing the bookmark.
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*/
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public function __construct( $bookmark_name, $node_name, $has_self_closing_flag, $on_destroy = null ) {
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$this->bookmark_name = $bookmark_name;
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$this->node_name = $node_name;
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$this->has_self_closing_flag = $has_self_closing_flag;
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$this->on_destroy = $on_destroy;
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}
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/**
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* Destructor.
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*
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* @since 6.4.0
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*/
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public function __destruct() {
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if ( is_callable( $this->on_destroy ) ) {
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call_user_func( $this->on_destroy, $this->bookmark_name );
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}
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}
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/**
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* Wakeup magic method.
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*
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* @since 6.4.2
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*/
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public function __wakeup() {
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throw new \LogicException( __CLASS__ . ' should never be unserialized' );
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}
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}
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