Move insertAdjacentHTML to Element

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 2258 matching lines @@
 
     parent->replaceChild(fragment.release(), this, exceptionState);
     RefPtr<Node> node = next ? next->previousSibling() : 0;
     if (!exceptionState.hadException() && node && node->isTextNode())
         mergeWithNextTextNode(node.release(), exceptionState);
 
     if (!exceptionState.hadException() && prev && prev->isTextNode())
         mergeWithNextTextNode(prev.release(), exceptionState);
 }
 
+Node* Element::insertAdjacent(const String& where, Node* newChild, ExceptionState& exceptionState)
+{
+    if (equalIgnoringCase(where, "beforeBegin")) {
+        if (ContainerNode* parent = this->parentNode()) {
+            parent->insertBefore(newChild, this, exceptionState);
+            if (!exceptionState.hadException())
+                return newChild;
+        }
+        return 0;
+    }
+
+    if (equalIgnoringCase(where, "afterBegin")) {
+        insertBefore(newChild, firstChild(), exceptionState);
+        return exceptionState.hadException() ? 0 : newChild;
+    }
+
+    if (equalIgnoringCase(where, "beforeEnd")) {
+        appendChild(newChild, exceptionState);
+        return exceptionState.hadException() ? 0 : newChild;
+    }
+
+    if (equalIgnoringCase(where, "afterEnd")) {
+        if (ContainerNode* parent = this->parentNode()) {
+            parent->insertBefore(newChild, nextSibling(), exceptionState);
+            if (!exceptionState.hadException())
+                return newChild;
+        }
+        return 0;
+    }
+
+    exceptionState.throwDOMException(SyntaxError, "The value provided ('" + where + "') is not one of 'beforeBegin', 'afterBegin', 'beforeEnd', or 'afterEnd'.");
+    return 0;
+}
+
+// Step 1 of http://domparsing.spec.whatwg.org/#insertadjacenthtml()
+static Element* contextElementForInsertion(const String& where, Element* element, ExceptionState& exceptionState)
+{
+    if (equalIgnoringCase(where, "beforeBegin") || equalIgnoringCase(where, "afterEnd")) {
+        ContainerNode* parent = element->parentNode();
+        if (!parent || !parent->isElementNode()) {
+            exceptionState.throwDOMException(NoModificationAllowedError, "The element has no parent.");
+            return 0;
+        }
+        return toElement(parent);
+    }
+    if (equalIgnoringCase(where, "afterBegin") || equalIgnoringCase(where, "beforeEnd"))
+        return element;
+    exceptionState.throwDOMException(SyntaxError, "The value provided ('" + where + "') is not one of 'beforeBegin', 'afterBegin', 'beforeEnd', or 'afterEnd'.");
+    return 0;
+}
+
+void Element::insertAdjacentHTML(const String& where, const String& markup, ExceptionState& exceptionState)
+{
+    RefPtr<Element> contextElement = contextElementForInsertion(where, this, exceptionState);
+    if (!contextElement)
+        return;
+
+    RefPtr<DocumentFragment> fragment = createFragmentForInnerOuterHTML(markup, contextElement.get(), AllowScriptingContent, "insertAdjacentHTML", exceptionState);
+    if (!fragment)
+        return;
+    insertAdjacent(where, fragment.get(), exceptionState);
+}
+
 String Element::innerText()
 {
     // We need to update layout, since plainText uses line boxes in the render tree.
     document().updateLayoutIgnorePendingStylesheets();
 
     if (!renderer())
         return textContent(true);
 
     return plainText(rangeOfContents(const_cast<Element*>(this)).get());
 }
@@ skipping 1247 matching lines @@
     // Before doing so, we need to resolve issues in HTMLSelectElement::recalcListItems
     // and RenderMenuList::setText. See also https://bugs.webkit.org/show_bug.cgi?id=88405
     if (hasTagName(optionTag) || hasTagName(optgroupTag))
         return false;
     if (FullscreenElementStack::isActiveFullScreenElement(this))
         return false;
     return true;
 }
 
 } // namespace WebCore