getDom( $html ); return new \DOMXPath( $dom ); } /** * @param string $html * * @return \DOMDocument */ public function getDom( $html ) { $dom = new \DOMDocument(); \libxml_use_internal_errors( true ); $html = mb_encode_numericentity( $html, [ 0x80, 0x1FFFFF, 0, 0x1FFFFF ], 'UTF-8' ); $dom->loadHTML( '
' . $html . '
' ); \libxml_clear_errors(); // Remove doc type and wrappers. $dom->removeChild( $dom->doctype ); /** * $dom->firstChild->firstChild->firstChild is node that we are intersted in (without body tags). * $dom->firstChild Old node that we are replacing */ $dom->replaceChild( $dom->firstChild->firstChild->firstChild, $dom->firstChild ); return $dom; } /** * This is required when a block has innerBlocks and translatable content at the root. * Unfortunately we cannot use the DOM because we have only HTML extracts which * are not valid taken independently. * * {@internal * innerContent => [ * '

The title

', * null, * '\n\n', * null, * '
' * ]} * * @param \WP_Block_Parser_Block $block * @param \DOMNode $element * @param string $translation * @param string|null $originalValue * * @return \WP_Block_Parser_Block */ public function applyStringTranslations( \WP_Block_Parser_Block $block, \DOMNode $element, $translation, $originalValue = null ) { if ( empty( $block->innerContent ) || empty( $element->nodeValue ) ) { return $block; } if ( $element instanceof \DOMAttr ) { $search_value = preg_quote( esc_attr( $element->nodeValue ), '/' ); $search = '/(")(' . $search_value . ')(")/'; $translation = esc_attr( $translation ); } else { $replace_full_html_node_content = $element->childNodes->length > 0 && $originalValue; $search_value = preg_quote( $replace_full_html_node_content ? $originalValue : $element->nodeValue, '/' ); $search_value = str_replace( [ preg_quote( '
', '/' ), preg_quote( '
', '/' ) ], '', $search_value ); $search = '/(>)(' . $search_value . ')(<)/'; } foreach ( $block->innerContent as &$inner_content ) { if ( $inner_content ) { $inner_content = preg_replace( $search, '${1}' . $translation . '${3}', $inner_content ); } } return $block; } /** * @param \DOMNode $element * @param string $context * * @return array */ protected function getInnerHTML( \DOMNode $element, $context ) { $innerHTML = $element instanceof \DOMText ? $element->nodeValue : $this->getInnerHTMLFromChildNodes( $element, $context ); $type = Base::get_string_type( $innerHTML ); if ( 'VISUAL' !== $type ) { $innerHTML = html_entity_decode( $innerHTML ); } $removeCdata = pipe( [ $this, 'removeCdataFromStyleTag' ], [ $this, 'removeCdataFromScriptTag' ] ); return [ $removeCdata( $innerHTML ), $type ]; } /** * @param \DOMNode $element * @param string $context * * @return string */ abstract protected function getInnerHTMLFromChildNodes( \DOMNode $element, $context ); /** * @param \DOMNode $element * * @return array */ public function getPartialInnerHTML( \DOMNode $element ) { return $this->getInnerHTML( $element, self::INNER_HTML_PARTIAL ); } /** * @param \DOMNode $element * * @return array */ public function getFullInnerHTML( \DOMNode $element ) { return $this->getInnerHTML( $element, self::INNER_HTML_FULL ); } /** * @param \DOMNode $element * @param string $value */ public function setElementValue( \DOMNode $element, $value ) { if ( $element instanceof \DOMAttr ) { // @phpstan-ignore-next-line $element->parentNode->setAttribute( $element->name, $value ); } elseif ( $element instanceof \DOMText ) { $clone = $this->cloneNodeWithoutChildren( $element ); $clone->nodeValue = $value; $element->parentNode->replaceChild( $clone, $element ); } else { $clone = $this->cloneNodeWithoutChildren( $element ); $fragment = $this->getDom( $value )->firstChild; // Skip the wrapping div. foreach ( $fragment->childNodes as $child ) { $clone->appendChild( $element->ownerDocument->importNode( $child, true ) ); } $this->appendExtraChildNodes( $clone, $element ); $element->parentNode->replaceChild( $clone, $element ); } } /** * @param \DOMNode $clone * @param \DOMNode $element */ abstract protected function appendExtraChildNodes( \DOMNode $clone, \DOMNode $element ); /** * @param \DOMNode $element * * @return \DOMNode */ private function cloneNodeWithoutChildren( \DOMNode $element ) { return $element->cloneNode( false ); } protected function getAsHTML5( \DOMNode $element ) { return str_replace( '--/>', '-->', strtr( $element->ownerDocument->saveXML( $element, LIBXML_NOEMPTYTAG ), [ '>' => '/>', '>' => '/>', '>
' => '/>', '>' => '/>', '>' => '/>', '>' => '/>', '>' => '/>', '>' => '/>', '>' => '/>', '>' => '/>', '>' => '/>', '>' => '/>', '>' => '/>', '>' => '/>', ] ) ); } public static function removeCdataFromStyleTag( $innerHTML ) { return preg_replace( '/<\\/style>/s', '$2', $innerHTML ); } public static function removeCdataFromScriptTag( $innerHTML ) { return preg_replace( '/<\\/script>/s', '$2', $innerHTML ); } }