Implement naive set_inner_html

src/wp-includes/html-api/class-wp-html-processor.php

@@ -355,6 +355,109 @@ public static function create_full_parser( $html, $known_definite_encoding = 'UT
  return $processor;
  }
 
+ public function set_inner_html( $html ) {
+ if ( $this->is_virtual() ) {
+ return false;
+ }
+
+ if ( $this->get_token_type() !== '#tag' ) {
+ return false;
+ }
+
+ if ( $this->is_tag_closer() ) {
+ return false;
+ }
+
+ if ( ! $this->expects_closer() ) {
+ return false;
+ }
+
+ if (
+ 'html' !== $this->state->current_token->namespace &&
+ $this->state->current_token->has_self_closing_flag
+ ) {
+ return false;
+ }
+
+ $html_for_replacement = $this->normalize( $html );
+ if ( empty( $html_for_replacement ) ) {
+ return false;
+ }
+
+ // @todo apply modifications if there are any???
+
+ if ( ! parent::set_bookmark( 'SET_INNER_HTML: opener' ) ) {
+ return false;
+ }
+
+ if ( ! $this->seek_to_matching_closer() ) {
+ parent::seek( 'SET_INNER_HTML: opener' );
+ return false;
+ }
+
+ if ( ! parent::set_bookmark( 'SET_INNER_HTML: closer' ) ) {
+ return false;
+ }
+
+ $inner_html_start = $this->bookmarks['SET_INNER_HTML: opener']->start + $this->bookmarks['SET_INNER_HTML: opener']->length;
+ $inner_html_length = $this->bookmarks['SET_INNER_HTML: closer']->start - $inner_html_start;
+
+ echo 'INNER HTML: ' . substr( $this->html, $inner_html_start, $inner_html_length ) . "\n";
+
+ echo "BEFORE:\n";
+ var_dump( $this->get_updated_html() );
+
+ $this->lexical_updates['innerHTML'] = new WP_HTML_Text_Replacement(
+ $inner_html_start,
+ $inner_html_length,
+ $html_for_replacement
+ );
+
+ parent::seek( 'SET_INNER_HTML: opener' );
+ parent::release_bookmark( 'SET_INNER_HTML: opener' );
+ parent::release_bookmark( 'SET_INNER_HTML: closer' );
+ echo "AFTER:\n";
+ var_dump( $this->get_updated_html() );
+
+ // @todo check for whether that html will make a mess!
+ // Will it break out of tags?
+
+ return true;
+ }
+
+ public function seek_to_matching_closer(): bool {
+ $tag_name = $this->get_tag();
+
+ if ( null === $tag_name ) {
+ return false;
+ }
+
+ if ( $this->is_tag_closer() ) {
+ return false;
+ }
+
+ if ( ! $this->expects_closer() ) {
+ return false;
+ }
+
+ $breadcrumbs = $this->breadcrumbs;
+ array_pop( $breadcrumbs );
+
+ // @todo Can't use these queries together
+ while ( $this->next_tag(
+ array(
+ 'tag_name' => $this->get_tag(),
+ 'tag_closers' => 'visit',
+ )
+ ) ) {
+ if ( $this->get_breadcrumbs() === $breadcrumbs ) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+
  /**
  * Constructor.
  *
@@ -522,6 +625,7 @@ public function get_unsupported_exception() {
  * 1 for "first" tag, 3 for "third," etc.
  * Defaults to first tag.
  * @type string|null $class_name Tag must contain this whole class name to match.
+ * @type string $tag_name Tag name to match.
  * @type string[] $breadcrumbs DOM sub-path at which element is found, e.g. `array( 'FIGURE', 'IMG' )`.
  * May also contain the wildcard `*` which matches a single element, e.g. `array( 'SECTION', '*' )`.
  * }
@@ -545,7 +649,7 @@ public function next_tag( $query = null ): bool {
  }
 
  if ( is_string( $query ) ) {
- $query = array( 'breadcrumbs' => array( $query ) );
+ $query = array( 'tag_name' => $query );
  }
 
  if ( ! is_array( $query ) ) {