<?php
/**
* Block Serialization Parser
*
* @package WordPress
*/

/**
* Class WP_Block_Parser_Frame
*
* Holds partial blocks in memory while parsing
*
* @internal
* @since 5.0.0
*/
class WP_Block_Parser_Frame {
/**
* Full or partial block
*
* @since 5.0.0
* @var WP_Block_Parser_Block
*/
public $block;

/**
* Byte offset into document for start of parse token
*
* @since 5.0.0
* @var int
*/
public $token_start;

/**
* Byte length of entire parse token string
*
* @since 5.0.0
* @var int
*/
public $token_length;

/**
* Byte offset into document for after parse token ends
* (used during reconstruction of stack into parse production)
*
* @since 5.0.0
* @var int
*/
public $prev_offset;

/**
* Byte offset into document where leading HTML before token starts
*
* @since 5.0.0
* @var int
*/
public $leading_html_start;

/**
* Constructor
*
* Will populate object properties from the provided arguments.
*
* @since 5.0.0
*
* @param WP_Block_Parser_Block $block Full or partial block.
* @param int $token_start Byte offset into document for start of parse token.
* @param int $token_length Byte length of entire parse token string.
* @param int|null $prev_offset Optional. Byte offset into document for after parse token ends. Default null.
* @param int|null $leading_html_start Optional. Byte offset into document where leading HTML before token starts.
* Default null.
*/
public function __construct( $block, $token_start, $token_length, $prev_offset = null, $leading_html_start = null ) {
$this->block = $block;
$this->token_start = $token_start;
$this->token_length = $token_length;
$this->prev_offset = isset( $prev_offset ) ? $prev_offset : $token_start + $token_length;
$this->leading_html_start = $leading_html_start;
}
}