Remove MicroData implementation

Source/WebCore/html/HTMLPropertiesCollection.cpp

-/*
- * Copyright (c) 2011 Motorola Mobility, Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- *
- * Neither the name of Motorola Mobility, Inc. nor the names of its contributors may
- * be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#if ENABLE(MICRODATA)
-
-#include "HTMLPropertiesCollection.h"
-
-#include "DOMSettableTokenList.h"
-#include "HTMLElement.h"
-#include "HTMLNames.h"
-#include "Node.h"
-#include "NodeTraversal.h"
-#include "PropertyNodeList.h"
-
-namespace WebCore {
-
-using namespace HTMLNames;
-
-PassRefPtr<HTMLPropertiesCollection> HTMLPropertiesCollection::create(Node* itemNode, CollectionType)
-{
-    return adoptRef(new HTMLPropertiesCollection(itemNode));
-}
-
-HTMLPropertiesCollection::HTMLPropertiesCollection(Node* itemNode)
-    : HTMLCollection(itemNode, ItemProperties, OverridesItemAfter)
-{
-}
-
-HTMLPropertiesCollection::~HTMLPropertiesCollection()
-{
-}
-
-void HTMLPropertiesCollection::updateRefElements() const
-{
-    if (isItemRefElementsCacheValid())
-        return;
-
-    m_itemRefElements.clear();
-    setItemRefElementsCacheValid();
-    toHTMLElement(ownerNode())->getItemRefElements(m_itemRefElements);
-}
-
-static Node* nextNodeWithProperty(Node* rootNode, Node* previous, Node* ownerNode)
-{
-    // An Microdata item may contain properties which in turn are items themselves. Properties can
-    // also themselves be groups of name-value pairs, by putting the itemscope attribute on the element
-    // that declares the property. If the property has an itemscope attribute specified then we need
-    // to traverse the next sibling.
-    return previous == ownerNode || (previous->isHTMLElement() && !toHTMLElement(previous)->fastHasAttribute(itemscopeAttr))
-        ? NodeTraversal::next(previous, rootNode)
-        : NodeTraversal::nextSkippingChildren(previous, rootNode);
-}
-
-Element* HTMLPropertiesCollection::virtualItemAfter(unsigned& offsetInArray, Element* previousItem) const
-{
-    while (offsetInArray < m_itemRefElements.size()) {
-        if (Element* next = virtualItemAfter(m_itemRefElements[offsetInArray], previousItem))
-            return next;
-        offsetInArray++;
-        previousItem = 0;
-    }
-    return 0;
-}
-
-HTMLElement* HTMLPropertiesCollection::virtualItemAfter(HTMLElement* rootNode, Element* previous) const
-{
-    Node* current;
-    Node* ownerNode = this->ownerNode();
-    current = previous ? nextNodeWithProperty(rootNode, previous, ownerNode) : rootNode;
-
-    for (; current; current = nextNodeWithProperty(rootNode, current, ownerNode)) {
-        if (current == ownerNode || !current->isHTMLElement())
-            continue;
-        HTMLElement* element = toHTMLElement(current);
-        if (element->fastHasAttribute(itempropAttr) && element->itemProp()->length()) {
-            return element;
-        }
-    }
-
-    return 0;
-}
-
-void HTMLPropertiesCollection::updateNameCache() const
-{
-    if (hasNameCache())
-        return;
-
-    updateRefElements();
-
-    for (unsigned i = 0; i < m_itemRefElements.size(); ++i) {
-        HTMLElement* refElement = m_itemRefElements[i];
-        for (HTMLElement* element = virtualItemAfter(refElement, 0); element; element = virtualItemAfter(refElement, element)) {
-            DOMSettableTokenList* itemProperty = element->itemProp();
-            for (unsigned propertyIndex = 0; propertyIndex < itemProperty->length(); ++propertyIndex)
-                updatePropertyCache(itemProperty->item(propertyIndex));
-        }
-    }
-
-    setHasNameCache();
-}
-
-PassRefPtr<DOMStringList> HTMLPropertiesCollection::names() const
-{
-    updateNameCache();
-    if (!m_propertyNames)
-        m_propertyNames = DOMStringList::create();
-    return m_propertyNames;
-}
-
-PassRefPtr<PropertyNodeList> HTMLPropertiesCollection::propertyNodeList(const String& name) const
-{
-    return ownerNode()->propertyNodeList(name);
-}
-
-bool HTMLPropertiesCollection::hasNamedItem(const AtomicString& name) const
-{
-    updateNameCache();
-    if (m_propertyNames)
-        return m_propertyNames->contains(name);
-    return false;
-}
-
-} // namespace WebCore
-
-#endif // ENABLE(MICRODATA)