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  */

    16 class 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                   $prev_offset        Byte offset into document for after parse token ends.

    69 	 * @param int                   $leading_html_start Byte offset into document where leading HTML before token starts.

    70 	 */

    71 	public function __construct( $block, $token_start, $token_length, $prev_offset = null, $leading_html_start = null ) {

    72 		$this->block              = $block;

    73 		$this->token_start        = $token_start;

    74 		$this->token_length       = $token_length;

    75 		$this->prev_offset        = isset( $prev_offset ) ? $prev_offset : $token_start + $token_length;

    76 		$this->leading_html_start = $leading_html_start;

    77 	}

    78 }