post_content;
if ( suiko_builder_of( $post ) ) {
// The builder renders its own data through the_content: the only faithful text is the rendered page.
$html = apply_filters( 'the_content', $raw ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- WordPress's own filter.
$html = preg_replace( '/<(script|style)\b[^>]*>.*?<\/\1>/is', '', $html );
if ( '' === trim( wp_strip_all_tags( (string) $html ) ) ) {
// Elementor does not render outside its front end: read the text from its own data instead.
$html = suiko_builder_text( $post );
}
} elseif ( has_blocks( $raw ) ) {
$html = do_blocks( $raw );
} else {
$html = wpautop( $raw );
}
return trim( suiko_strip_block_classes( $html ) );
}
/**
* Removes the classes the block editor adds for itself (wp-block-*, is-layout-*, has-*, wp-container-*, wp-elements-*):
* Suiko works on the article, not on its presentation, and WordPress puts them back at render time.
*/
function suiko_strip_block_classes( $html ) {
return preg_replace_callback(
'/\sclass="([^"]*)"/',
function ( $m ) {
$keep = array_filter( preg_split( '/\s+/', trim( $m[1] ) ), function ( $c ) {
return '' !== $c && ! preg_match( '/^(wp-block-|is-layout-|has-|wp-container-|wp-elements-|is-style-default$)/', $c );
} );
return $keep ? ' class="' . esc_attr( implode( ' ', $keep ) ) . '"' : '';
},
$html
);
}
/** Wraps each top-level HTML element into the matching core block. */
function suiko_html_to_blocks( $html ) {
if ( ! class_exists( 'DOMDocument' ) ) {
return "\n" . $html . "\n";
}
$doc = new DOMDocument();
libxml_use_internal_errors( true );
$doc->loadHTML( '' . $html . '
', LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD );
libxml_clear_errors();
$root = $doc->getElementById( 'suiko-root' );
if ( ! $root ) {
return "\n" . $html . "\n";
}
$out = array();
foreach ( $root->childNodes as $node ) {
if ( XML_TEXT_NODE === $node->nodeType ) {
$text = trim( $node->textContent );
if ( '' !== $text ) {
$out[] = "\n" . esc_html( $text ) . "
\n";
}
continue;
}
if ( XML_ELEMENT_NODE !== $node->nodeType ) {
continue;
}
$out[] = suiko_element_to_block( $doc, $node );
}
return implode( "\n\n", array_filter( $out ) );
}
function suiko_outer_html( $doc, $node ) {
return $doc->saveHTML( $node );
}
function suiko_element_to_block( $doc, $node ) {
$tag = strtolower( $node->nodeName );
$html = suiko_outer_html( $doc, $node );
switch ( $tag ) {
case 'p':
return "\n" . $html . "\n";
case 'h1':
case 'h2':
case 'h3':
case 'h4':
case 'h5':
case 'h6':
$level = (int) substr( $tag, 1 );
$attrs = 2 === $level ? '' : ' {"level":' . $level . '}';
$html = preg_replace( '/^<' . $tag . '(\s[^>]*)?>/', '<' . $tag . ' class="wp-block-heading"$1>', $html, 1 );
return "\n" . $html . "\n";
case 'ul':
case 'ol':
$items = array();
foreach ( $node->childNodes as $li ) {
if ( XML_ELEMENT_NODE === $li->nodeType && 'li' === strtolower( $li->nodeName ) ) {
$items[] = "\n" . suiko_outer_html( $doc, $li ) . "\n";
}
}
$attrs = 'ol' === $tag ? ' {"ordered":true}' : '';
$html = preg_replace( '/^<' . $tag . '(\s[^>]*)?>/', '<' . $tag . ' class="wp-block-list"$1>', $html, 1 );
$open = preg_replace( '/>.*$/s', '>', $html );
return "\n" . $open . "\n" . implode( "\n", $items ) . "\n\n";
case 'table':
return "\n" . $html . "\n";
case 'blockquote':
$html = preg_replace( '/^]*)?>/', '', $html, 1 );
return "\n" . $html . "\n";
case 'figure':
if ( $node->getElementsByTagName( 'table' )->length ) {
return "\n" . $html . "\n";
}
if ( $node->getElementsByTagName( 'img' )->length ) {
return "\n" . $html . "\n";
}
return "\n" . $html . "\n";
case 'img':
return "\n" . $html . "\n";
case 'hr':
return "\n
\n";
default:
return "\n" . $html . "\n";
}
}