string * This processor will be provided the HTML string as input * and is expected to return a possibly modified string. */ public function processAttributeEmbeddedHTML( ParsoidExtensionAPI $extApi, Element $elt, Closure $proc ): void { // Nothing to do by default } /** * Lint handler for this extension. * * If the extension has lints it wants to expose, it should use $extApi * to register those lints. Alternatively, the extension might simply * inspect its DOM and invoke the default lint handler on a DOM tree * that it wants inspected. For example, nodes often only have * a pointer (the id attribute) to its content, and its lint handler would * look up the DOM tree and invoke the default lint handler on that tree. * * @param ParsoidExtensionAPI $extApi * @param Element $rootNode Extension content's root node * @param callable $defaultHandler Default lint handler * - Default lint handler has signature $defaultHandler( Element $elt ): void * @return bool Return `false` to indicate that this * extension has no special lint handler (the default lint handler will * be used. Return `true` to indicate linting should proceed with the * next sibling. */ public function lintHandler( ParsoidExtensionAPI $extApi, Element $rootNode, callable $defaultHandler ) { /* Use default linter */ return false; } /** * Serialize a DOM node created by this extension to wikitext. * @param ParsoidExtensionAPI $extApi * @param Element $node * @param bool $wrapperUnmodified * @return string|false Return false to use the default serialization. */ public function domToWikitext( ParsoidExtensionAPI $extApi, Element $node, bool $wrapperUnmodified ) { /* Use default serialization */ return false; } /** * XXX: Experimental * * Call $domDiff on corresponding substrees of $origNode and $editedNode * * @param ParsoidExtensionAPI $extApi * @param callable $domDiff * @param Element $origNode * @param Element $editedNode * @return bool */ public function diffHandler( ParsoidExtensionAPI $extApi, callable $domDiff, Element $origNode, Element $editedNode ): bool { return false; } }