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Path: ~/home/decas683/public_html/site/wp-includes/

File Content: `class-wp-block-parser.php`

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

/**
 * Class WP_Block_Parser_Block
 *
 * Holds the block structure in memory
 *
 * @since 3.8.0
 */
class WP_Block_Parser_Block {
	/**
	 * Name of block
	 *
	 * @example "core/paragraph"
	 *
	 * @since 3.8.0
	 * @var string
	 */
	public $blockName;

	/**
	 * Optional set of attributes from block comment delimiters
	 *
	 * @example null
	 * @example array( 'columns' => 3 )
	 *
	 * @since 3.8.0
	 * @var array|null
	 */
	public $attrs;

	/**
	 * List of inner blocks (of this same class)
	 *
	 * @since 3.8.0
	 * @var WP_Block_Parser_Block[]
	 */
	public $innerBlocks;

	/**
	 * Resultant HTML from inside block comment delimiters
	 * after removing inner blocks
	 *
	 * @example "...Just <!-- wp:test /--> testing..." -> "Just testing..."
	 *
	 * @since 3.8.0
	 * @var string
	 */
	public $innerHTML;

	/**
	 * List of string fragments and null markers where inner blocks were found
	 *
	 * @example array(
	 *   'innerHTML'    => 'BeforeInnerAfter',
	 *   'innerBlocks'  => array( block, block ),
	 *   'innerContent' => array( 'Before', null, 'Inner', null, 'After' ),
	 * )
	 *
	 * @since 4.2.0
	 * @var array
	 */
	public $innerContent;

	/**
	 * Constructor.
	 *
	 * Will populate object properties from the provided arguments.
	 *
	 * @since 3.8.0
	 *
	 * @param string $name         Name of block.
	 * @param array  $attrs        Optional set of attributes from block comment delimiters.
	 * @param array  $innerBlocks  List of inner blocks (of this same class).
	 * @param string $innerHTML    Resultant HTML from inside block comment delimiters after removing inner blocks.
	 * @param array  $innerContent List of string fragments and null markers where inner blocks were found.
	 */
	function __construct( $name, $attrs, $innerBlocks, $innerHTML, $innerContent ) {
		$this->blockName    = $name;
		$this->attrs        = $attrs;
		$this->innerBlocks  = $innerBlocks;
		$this->innerHTML    = $innerHTML;
		$this->innerContent = $innerContent;
	}
}

/**
 * Class WP_Block_Parser_Frame
 *
 * Holds partial blocks in memory while parsing
 *
 * @internal
 * @since 3.8.0
 */
class WP_Block_Parser_Frame {
	/**
	 * Full or partial block
	 *
	 * @since 3.8.0
	 * @var WP_Block_Parser_Block
	 */
	public $block;

	/**
	 * Byte offset into document for start of parse token
	 *
	 * @since 3.8.0
	 * @var int
	 */
	public $token_start;

	/**
	 * Byte length of entire parse token string
	 *
	 * @since 3.8.0
	 * @var int
	 */
	public $token_length;

	/**
	 * Byte offset into document for after parse token ends
	 * (used during reconstruction of stack into parse production)
	 *
	 * @since 3.8.0
	 * @var int
	 */
	public $prev_offset;

	/**
	 * Byte offset into document where leading HTML before token starts
	 *
	 * @since 3.8.0
	 * @var int
	 */
	public $leading_html_start;

	/**
	 * Constructor
	 *
	 * Will populate object properties from the provided arguments.
	 *
	 * @since 3.8.0
	 *
	 * @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                   $prev_offset        Byte offset into document for after parse token ends.
	 * @param int                   $leading_html_start Byte offset into document where leading HTML before token starts.
	 */
	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;
	}
}

/**
 * Class WP_Block_Parser
 *
 * Parses a document and constructs a list of parsed block objects
 *
 * @since 3.8.0
 * @since 4.0.0 returns arrays not objects, all attributes are arrays
 */
class WP_Block_Parser {
	/**
	 * Input document being parsed
	 *
	 * @example "Pre-text\n<!-- wp:paragraph -->This is inside a block!<!-- /wp:paragraph -->"
	 *
	 * @since 3.8.0
	 * @var string
	 */
	public $document;

	/**
	 * Tracks parsing progress through document
	 *
	 * @since 3.8.0
	 * @var int
	 */
	public $offset;

	/**
	 * List of parsed blocks
	 *
	 * @since 3.8.0
	 * @var WP_Block_Parser_Block[]
	 */
	public $output;

	/**
	 * Stack of partially-parsed structures in memory during parse
	 *
	 * @since 3.8.0
	 * @var WP_Block_Parser_Frame[]
	 */
	public $stack;

	/**
	 * Empty associative array, here due to PHP quirks
	 *
	 * @since 4.4.0
	 * @var array empty associative array
	 */
	public $empty_attrs;

	/**
	 * Parses a document and returns a list of block structures
	 *
	 * When encountering an invalid parse will return a best-effort
	 * parse. In contrast to the specification parser this does not
	 * return an error on invalid inputs.
	 *
	 * @since 3.8.0
	 *
	 * @param string $document Input document being parsed.
	 * @return WP_Block_Parser_Block[]
	 */
	function parse( $document ) {
		$this->document    = $document;
		$this->offset      = 0;
		$this->output      = array();
		$this->stack       = array();
		$this->empty_attrs = json_decode( '{}', true );

		do {
			// twiddle our thumbs.
		} while ( $this->proceed() );

		return $this->output;
	}

	/**
	 * Processes the next token from the input document
	 * and returns whether to proceed eating more tokens
	 *
	 * This is the "next step" function that essentially
	 * takes a token as its input and decides what to do
	 * with that token before descending deeper into a
	 * nested block tree or continuing along the document
	 * or breaking out of a level of nesting.
	 *
	 * @internal
	 * @since 3.8.0
	 * @return bool
	 */
	function proceed() {
		$next_token = $this->next_token();
		list( $token_type, $block_name, $attrs, $start_offset, $token_length ) = $next_token;
		$stack_depth = count( $this->stack );

		// we may have some HTML soup before the next block.
		$leading_html_start = $start_offset > $this->offset ? $this->offset : null;

		switch ( $token_type ) {
			case 'no-more-tokens':
				// if not in a block then flush output.
				if ( 0 === $stack_depth ) {
					$this->add_freeform();
					return false;
				}

				/*
				 * Otherwise we have a problem
				 * This is an error
				 *
				 * we have options
				 * - treat it all as freeform text
				 * - assume an implicit closer (easiest when not nesting)
				 */

				// for the easy case we'll assume an implicit closer.
				if ( 1 === $stack_depth ) {
					$this->add_block_from_stack();
					return false;
				}

				/*
				 * for the nested case where it's more difficult we'll
				 * have to assume that multiple closers are missing
				 * and so we'll collapse the whole stack piecewise
				 */
				while ( 0 < count( $this->stack ) ) {
					$this->add_block_from_stack();
				}
				return false;

			case 'void-block':
				/*
				 * easy case is if we stumbled upon a void block
				 * in the top-level of the document
				 */
				if ( 0 === $stack_depth ) {
					if ( isset( $leading_html_start ) ) {
						$this->output[] = (array) self::freeform(
							substr(
								$this->document,
								$leading_html_start,
								$start_offset - $leading_html_start
							)
						);
					}

					$this->output[] = (array) new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() );
					$this->offset   = $start_offset + $token_length;
					return true;
				}

				// otherwise we found an inner block.
				$this->add_inner_block(
					new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() ),
					$start_offset,
					$token_length
				);
				$this->offset = $start_offset + $token_length;
				return true;

			case 'block-opener':
				// track all newly-opened blocks on the stack.
				array_push(
					$this->stack,
					new WP_Block_Parser_Frame(
						new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() ),
						$start_offset,
						$token_length,
						$start_offset + $token_length,
						$leading_html_start
					)
				);
				$this->offset = $start_offset + $token_length;
				return true;

			case 'block-closer':
				/*
				 * if we're missing an opener we're in trouble
				 * This is an error
				 */
				if ( 0 === $stack_depth ) {
					/*
					 * we have options
					 * - assume an implicit opener
					 * - assume _this_ is the opener
					 * - give up and close out the document
					 */
					$this->add_freeform();
					return false;
				}

				// if we're not nesting then this is easy - close the block.
				if ( 1 === $stack_depth ) {
					$this->add_block_from_stack( $start_offset );
					$this->offset = $start_offset + $token_length;
					return true;
				}

				/*
				 * otherwise we're nested and we have to close out the current
				 * block and add it as a new innerBlock to the parent
				 */
				$stack_top                        = array_pop( $this->stack );
				$html                             = substr( $this->document, $stack_top->prev_offset, $start_offset - $stack_top->prev_offset );
				$stack_top->block->innerHTML     .= $html;
				$stack_top->block->innerContent[] = $html;
				$stack_top->prev_offset           = $start_offset + $token_length;

				$this->add_inner_block(
					$stack_top->block,
					$stack_top->token_start,
					$stack_top->token_length,
					$start_offset + $token_length
				);
				$this->offset = $start_offset + $token_length;
				return true;

			default:
				// This is an error.
				$this->add_freeform();
				return false;
		}
	}

	/**
	 * Scans the document from where we last left off
	 * and finds the next valid token to parse if it exists
	 *
	 * Returns the type of the find: kind of find, block information, attributes
	 *
	 * @internal
	 * @since 3.8.0
	 * @since 4.6.1 fixed a bug in attribute parsing which caused catastrophic backtracking on invalid block comments
	 * @return array
	 */
	function next_token() {
		$matches = null;

		/*
		 * aye the magic
		 * we're using a single RegExp to tokenize the block comment delimiters
		 * we're also using a trick here because the only difference between a
		 * block opener and a block closer is the leading `/` before `wp:` (and
		 * a closer has no attributes). we can trap them both and process the
		 * match back in PHP to see which one it was.
		 */
		$has_match = preg_match(
			'/<!--\s+(?P<closer>\/)?wp:(?P<namespace>[a-z][a-z0-9_-]*\/)?(?P<name>[a-z][a-z0-9_-]*)\s+(?P<attrs>{(?:(?:[^}]+|}+(?=})|(?!}\s+\/?-->).)*+)?}\s+)?(?P<void>\/)?-->/s',
			$this->document,
			$matches,
			PREG_OFFSET_CAPTURE,
			$this->offset
		);

		// if we get here we probably have catastrophic backtracking or out-of-memory in the PCRE.
		if ( false === $has_match ) {
			return array( 'no-more-tokens', null, null, null, null );
		}

		// we have no more tokens.
		if ( 0 === $has_match ) {
			return array( 'no-more-tokens', null, null, null, null );
		}

		list( $match, $started_at ) = $matches[0];

		$length    = strlen( $match );
		$is_closer = isset( $matches['closer'] ) && -1 !== $matches['closer'][1];
		$is_void   = isset( $matches['void'] ) && -1 !== $matches['void'][1];
		$namespace = $matches['namespace'];
		$namespace = ( isset( $namespace ) && -1 !== $namespace[1] ) ? $namespace[0] : 'core/';
		$name      = $namespace . $matches['name'][0];
		$has_attrs = isset( $matches['attrs'] ) && -1 !== $matches['attrs'][1];

		/*
		 * Fun fact! It's not trivial in PHP to create "an empty associative array" since all arrays
		 * are associative arrays. If we use `array()` we get a JSON `[]`
		 */
		$attrs = $has_attrs
			? json_decode( $matches['attrs'][0], /* as-associative */ true )
			: $this->empty_attrs;

		/*
		 * This state isn't allowed
		 * This is an error
		 */
		if ( $is_closer && ( $is_void || $has_attrs ) ) {
			// we can ignore them since they don't hurt anything.
		}

		if ( $is_void ) {
			return array( 'void-block', $name, $attrs, $started_at, $length );
		}

		if ( $is_closer ) {
			return array( 'block-closer', $name, null, $started_at, $length );
		}

		return array( 'block-opener', $name, $attrs, $started_at, $length );
	}

	/**
	 * Returns a new block object for freeform HTML
	 *
	 * @internal
	 * @since 3.9.0
	 *
	 * @param string $innerHTML HTML content of block.
	 * @return WP_Block_Parser_Block freeform block object.
	 */
	function freeform( $innerHTML ) {
		return new WP_Block_Parser_Block( null, $this->empty_attrs, array(), $innerHTML, array( $innerHTML ) );
	}

	/**
	 * Pushes a length of text from the input document
	 * to the output list as a freeform block.
	 *
	 * @internal
	 * @since 3.8.0
	 * @param null $length how many bytes of document text to output.
	 */
	function add_freeform( $length = null ) {
		$length = $length ? $length : strlen( $this->document ) - $this->offset;

		if ( 0 === $length ) {
			return;
		}

		$this->output[] = (array) self::freeform( substr( $this->document, $this->offset, $length ) );
	}

	/**
	 * Given a block structure from memory pushes
	 * a new block to the output list.
	 *
	 * @internal
	 * @since 3.8.0
	 * @param WP_Block_Parser_Block $block        The block to add to the output.
	 * @param int                   $token_start  Byte offset into the document where the first token for the block starts.
	 * @param int                   $token_length Byte length of entire block from start of opening token to end of closing token.
	 * @param int|null              $last_offset  Last byte offset into document if continuing form earlier output.
	 */
	function add_inner_block( WP_Block_Parser_Block $block, $token_start, $token_length, $last_offset = null ) {
		$parent                       = $this->stack[ count( $this->stack ) - 1 ];
		$parent->block->innerBlocks[] = (array) $block;
		$html                         = substr( $this->document, $parent->prev_offset, $token_start - $parent->prev_offset );

		if ( ! empty( $html ) ) {
			$parent->block->innerHTML     .= $html;
			$parent->block->innerContent[] = $html;
		}

		$parent->block->innerContent[] = null;
		$parent->prev_offset           = $last_offset ? $last_offset : $token_start + $token_length;
	}

	/**
	 * Pushes the top block from the parsing stack to the output list.
	 *
	 * @internal
	 * @since 3.8.0
	 * @param int|null $end_offset byte offset into document for where we should stop sending text output as HTML.
	 */
	function add_block_from_stack( $end_offset = null ) {
		$stack_top   = array_pop( $this->stack );
		$prev_offset = $stack_top->prev_offset;

		$html = isset( $end_offset )
			? substr( $this->document, $prev_offset, $end_offset - $prev_offset )
			: substr( $this->document, $prev_offset );

		if ( ! empty( $html ) ) {
			$stack_top->block->innerHTML     .= $html;
			$stack_top->block->innerContent[] = $html;
		}

		if ( isset( $stack_top->leading_html_start ) ) {
			$this->output[] = (array) self::freeform(
				substr(
					$this->document,
					$stack_top->leading_html_start,
					$stack_top->token_start - $stack_top->leading_html_start
				)
			);
		}

		$this->output[] = (array) $stack_top->block;
	}
}

Edit Rename Chmod Delete

FILE FOLDER

Name	Size	Permission
ID3	---	0755
IXR	---	0755
Requests	---	0755
SimplePie	---	0755
Text	---	0755
blocks	---	0755
certificates	---	0755
css	---	0755
customize	---	0755
fonts	---	0755
images	---	0755
js	---	0755
pomo	---	0755
random_compat	---	0755
rest-api	---	0755
theme-compat	---	0755
widgets	---	0755
admin-bar.php	28868 bytes	0644
atomlib.php	11839 bytes	0644
author-template.php	16354 bytes	0644
blocks.php	16243 bytes	0644
bookmark-template.php	11699 bytes	0644
bookmark.php	13682 bytes	0644
cache.php	21621 bytes	0644
canonical.php	27583 bytes	0644
capabilities.php	28649 bytes	0644
category-template.php	51758 bytes	0644
category.php	11984 bytes	0644
class-IXR.php	2573 bytes	0644
class-feed.php	522 bytes	0644
class-http.php	36164 bytes	0644
class-json.php	40472 bytes	0644
class-oembed.php	33148 bytes	0644
class-phpass.php	7317 bytes	0644
class-phpmailer.php	148234 bytes	0644
class-pop3.php	20919 bytes	0644
class-requests.php	29790 bytes	0644
class-simplepie.php	89264 bytes	0644
class-smtp.php	39478 bytes	0644
class-snoopy.php	37785 bytes	0644
class-walker-category-dropdown.php	2099 bytes	0644
class-walker-category.php	6646 bytes	0644
class-walker-comment.php	11173 bytes	0644
class-walker-nav-menu.php	8392 bytes	0644
class-walker-page-dropdown.php	2279 bytes	0644
class-walker-page.php	6713 bytes	0644
class-wp-admin-bar.php	16969 bytes	0644
class-wp-ajax-response.php	5024 bytes	0644
class-wp-block-parser.php	15215 bytes	0644
class-wp-block-type-registry.php	5089 bytes	0644
class-wp-block-type.php	4815 bytes	0644
class-wp-comment-query.php	41780 bytes	0644
class-wp-comment.php	8936 bytes	0644
class-wp-customize-control.php	24984 bytes	0644
class-wp-customize-manager.php	199201 bytes	0644
class-wp-customize-nav-menus.php	53561 bytes	0644
class-wp-customize-panel.php	9576 bytes	0644
class-wp-customize-section.php	10197 bytes	0644
class-wp-customize-setting.php	28132 bytes	0644
class-wp-customize-widgets.php	65752 bytes	0644
class-wp-dependency.php	1992 bytes	0644
class-wp-editor.php	61023 bytes	0644
class-wp-embed.php	14509 bytes	0644
class-wp-error.php	4585 bytes	0644
class-wp-feed-cache-transient.php	2537 bytes	0644
class-wp-feed-cache.php	745 bytes	0644
class-wp-hook.php	14052 bytes	0644
class-wp-http-cookie.php	6456 bytes	0644
class-wp-http-curl.php	11679 bytes	0644
class-wp-http-encoding.php	6444 bytes	0644
class-wp-http-ixr-client.php	3250 bytes	0644
class-wp-http-proxy.php	5957 bytes	0644
class-wp-http-requests-hooks.php	1872 bytes	0644
class-wp-http-requests-response.php	4273 bytes	0644
class-wp-http-response.php	2871 bytes	0644
class-wp-http-streams.php	14995 bytes	0644
class-wp-image-editor-gd.php	12921 bytes	0644
class-wp-image-editor-imagick.php	21676 bytes	0644
class-wp-image-editor.php	11730 bytes	0644
class-wp-list-util.php	6369 bytes	0644
class-wp-locale-switcher.php	5005 bytes	0644
class-wp-locale.php	14547 bytes	0644
class-wp-matchesmapregex.php	1796 bytes	0644
class-wp-meta-query.php	22283 bytes	0644
class-wp-metadata-lazyloader.php	5372 bytes	0644
class-wp-network-query.php	17160 bytes	0644
class-wp-network.php	12129 bytes	0644
class-wp-oembed-controller.php	5944 bytes	0644
class-wp-post-type.php	18236 bytes	0644
class-wp-post.php	6355 bytes	0644
class-wp-query.php	125035 bytes	0644
class-wp-rewrite.php	58908 bytes	0644
class-wp-role.php	2614 bytes	0644
class-wp-roles.php	8187 bytes	0644
class-wp-session-tokens.php	7338 bytes	0644
class-wp-simplepie-file.php	2272 bytes	0644
class-wp-simplepie-sanitize-kses.php	1774 bytes	0644
class-wp-site-query.php	23221 bytes	0644
class-wp-site.php	7318 bytes	0644
class-wp-tax-query.php	19370 bytes	0644
class-wp-taxonomy.php	9993 bytes	0644
class-wp-term-query.php	34167 bytes	0644
class-wp-term.php	5273 bytes	0644
class-wp-text-diff-renderer-inline.php	712 bytes	0644
class-wp-text-diff-renderer-table.php	16180 bytes	0644
class-wp-theme.php	48760 bytes	0644
class-wp-user-meta-session-tokens.php	2916 bytes	0644
class-wp-user-query.php	29525 bytes	0644
class-wp-user.php	20679 bytes	0644
class-wp-walker.php	12378 bytes	0644
class-wp-widget-factory.php	3746 bytes	0644
class-wp-widget.php	17658 bytes	0644
class-wp-xmlrpc-server.php	202146 bytes	0644
class-wp.php	23974 bytes	0644
class.wp-dependencies.php	11185 bytes	0644
class.wp-scripts.php	16749 bytes	0644
class.wp-styles.php	9794 bytes	0644
comment-template.php	88643 bytes	0644
comment.php	111793 bytes	0644
compat.php	17451 bytes	0644
cron.php	16467 bytes	0644
date.php	35454 bytes	0644
default-constants.php	9561 bytes	0644
default-filters.php	28500 bytes	0644
default-widgets.php	2180 bytes	0644
deprecated.php	114267 bytes	0644
embed-template.php	344 bytes	0644
embed.php	45000 bytes	0644
feed-atom-comments.php	5357 bytes	0644
feed-atom.php	3090 bytes	0644
feed-rdf.php	2670 bytes	0644
feed-rss.php	1246 bytes	0644
feed-rss2-comments.php	4064 bytes	0644
feed-rss2.php	3773 bytes	0644
feed.php	19550 bytes	0644
formatting.php	274103 bytes	0644
functions.php	191048 bytes	0644
functions.wp-scripts.php	12538 bytes	0644
functions.wp-styles.php	8080 bytes	0644
general-template.php	140624 bytes	0644
http.php	22182 bytes	0644
kses.php	54239 bytes	0644
l10n.php	50874 bytes	0644
link-template.php	136453 bytes	0644
load.php	34885 bytes	0644
locale.php	141 bytes	0644
media-template.php	46469 bytes	0644
media.php	141152 bytes	0644
meta.php	45613 bytes	0644
ms-blogs.php	39181 bytes	0644
ms-default-constants.php	4715 bytes	0644
ms-default-filters.php	4653 bytes	0644
ms-deprecated.php	16158 bytes	0644
ms-files.php	2620 bytes	0644
ms-functions.php	91131 bytes	0644
ms-load.php	19248 bytes	0644
ms-settings.php	4088 bytes	0644
nav-menu-template.php	20871 bytes	0644
nav-menu.php	39756 bytes	0644
option.php	67744 bytes	0644
pluggable-deprecated.php	6262 bytes	0644
pluggable.php	92744 bytes	0644
plugin.php	31677 bytes	0644
post-formats.php	6976 bytes	0644
post-template.php	58915 bytes	0644
post-thumbnail-template.php	8444 bytes	0644
post.php	227295 bytes	0644
query.php	31500 bytes	0644
registration-functions.php	178 bytes	0644
registration.php	178 bytes	0644
rest-api.php	41411 bytes	0644
revision.php	21305 bytes	0644
rewrite.php	17502 bytes	0644
rss-functions.php	191 bytes	0644
rss.php	23208 bytes	0644
script-loader.php	103362 bytes	0644
session.php	242 bytes	0644
shortcodes.php	21396 bytes	0644
spl-autoload-compat.php	2574 bytes	0644
taxonomy.php	150943 bytes	0644
template-loader.php	2896 bytes	0644
template.php	19792 bytes	0644
theme.php	100092 bytes	0644
update.php	24691 bytes	0644
user.php	121518 bytes	0644
vars.php	5582 bytes	0644
version.php	620 bytes	0644
widgets.php	56164 bytes	0644
wlwmanifest.xml	1045 bytes	0644
wp-db.php	99564 bytes	0644
wp-diff.php	661 bytes	0644

File Content: class-wp-block-parser.php

File Content: `class-wp-block-parser.php`