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<?php

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/**

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* HTML API: WP_HTML_Processor_State class

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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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* Core class used by the HTML processor during HTML parsing

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* for managing the internal parsing state.

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* This class is designed for internal use by the HTML processor.

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* @since 6.4.0

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* @access private

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* @see WP_HTML_Processor

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class WP_HTML_Processor_State {

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* Insertion mode constants.

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* These constants exist and are named to make it easier to

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* discover and recognize the supported insertion modes in

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* the parser.

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* Out of all the possible insertion modes, only those

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* supported by the parser are listed here. As support

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* is added to the parser for more modes, add them here

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* following the same naming and value pattern.

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* @see https://html.spec.whatwg.org/#the-insertion-mode

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/**

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* Initial insertion mode for full HTML parser.

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* @since 6.4.0

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* @see https://html.spec.whatwg.org/#the-initial-insertion-mode

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* @see WP_HTML_Processor_State::$insertion_mode

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* @var string

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const INSERTION_MODE_INITIAL = 'insertion-mode-initial';

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/**

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* In body insertion mode for full HTML parser.

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* @since 6.4.0

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* @see https://html.spec.whatwg.org/#parsing-main-inbody

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* @see WP_HTML_Processor_State::$insertion_mode

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* @var string

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const INSERTION_MODE_IN_BODY = 'insertion-mode-in-body';

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/**

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* Tracks open elements while scanning HTML.

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* This property is initialized in the constructor and never null.

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* @since 6.4.0

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* @see https://html.spec.whatwg.org/#stack-of-open-elements

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* @var WP_HTML_Open_Elements

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public $stack_of_open_elements = null;

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/**

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* Tracks open formatting elements, used to handle mis-nested formatting element tags.

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* This property is initialized in the constructor and never null.

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* @since 6.4.0

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* @see https://html.spec.whatwg.org/#list-of-active-formatting-elements

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* @var WP_HTML_Active_Formatting_Elements

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public $active_formatting_elements = null;

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/**

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* Refers to the currently-matched tag, if any.

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* @since 6.4.0

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* @var WP_HTML_Token|null

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public $current_token = null;

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/**

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* Tree construction insertion mode.

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* @since 6.4.0

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* @see https://html.spec.whatwg.org/#insertion-mode

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* @var string

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public $insertion_mode = self::INSERTION_MODE_INITIAL;

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/**

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* Context node initializing fragment parser, if created as a fragment parser.

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* @since 6.4.0

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* @see https://html.spec.whatwg.org/#concept-frag-parse-context

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* @var [string, array]|null

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public $context_node = null;

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/**

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* The frameset-ok flag indicates if a `FRAMESET` element is allowed in the current state.

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* > The frameset-ok flag is set to "ok" when the parser is created. It is set to "not ok" after certain tokens are seen.

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* @since 6.4.0

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* @see https://html.spec.whatwg.org/#frameset-ok-flag

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* @var bool

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public $frameset_ok = true;

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/**

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* Constructor - creates a new and empty state value.

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* @since 6.4.0

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* @see WP_HTML_Processor

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public function __construct() {

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$this->stack_of_open_elements = new WP_HTML_Open_Elements();

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$this->active_formatting_elements = new WP_HTML_Active_Formatting_Elements();

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}

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}

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