1<?php
  2/**
  3 * Block Serialization Parser
  4 *
  5 * @package WordPress
  6 */
  7
  8/**
  9 * Class WP_Block_Parser_Frame
 10 *
 11 * Holds partial blocks in memory while parsing
 12 *
 13 * @internal
 14 * @since 5.0.0
 15 */
 16class WP_Block_Parser_Frame {
 17	/**
 18	 * Full or partial block
 19	 *
 20	 * @since 5.0.0
 21	 * @var WP_Block_Parser_Block
 22	 */
 23	public $block;
 24
 25	/**
 26	 * Byte offset into document for start of parse token
 27	 *
 28	 * @since 5.0.0
 29	 * @var int
 30	 */
 31	public $token_start;
 32
 33	/**
 34	 * Byte length of entire parse token string
 35	 *
 36	 * @since 5.0.0
 37	 * @var int
 38	 */
 39	public $token_length;
 40
 41	/**
 42	 * Byte offset into document for after parse token ends
 43	 * (used during reconstruction of stack into parse production)
 44	 *
 45	 * @since 5.0.0
 46	 * @var int
 47	 */
 48	public $prev_offset;
 49
 50	/**
 51	 * Byte offset into document where leading HTML before token starts
 52	 *
 53	 * @since 5.0.0
 54	 * @var int
 55	 */
 56	public $leading_html_start;
 57
 58	/**
 59	 * Constructor
 60	 *
 61	 * Will populate object properties from the provided arguments.
 62	 *
 63	 * @since 5.0.0
 64	 *
 65	 * @param WP_Block_Parser_Block $block              Full or partial block.
 66	 * @param int                   $token_start        Byte offset into document for start of parse token.
 67	 * @param int                   $token_length       Byte length of entire parse token string.
 68	 * @param int|null              $prev_offset        Optional. Byte offset into document for after parse token ends. Default null.
 69	 * @param int|null              $leading_html_start Optional. Byte offset into document where leading HTML before token starts.
 70	 *                                                  Default null.
 71	 */
 72	public function __construct( $block, $token_start, $token_length, $prev_offset = null, $leading_html_start = null ) {
 73		$this->block              = $block;
 74		$this->token_start        = $token_start;
 75		$this->token_length       = $token_length;
 76		$this->prev_offset        = isset( $prev_offset ) ? $prev_offset : $token_start + $token_length;
 77		$this->leading_html_start = $leading_html_start;
 78	}
 79}
 80