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      1 /*
      2  * Copyright (C) 2009, 2011, 2012 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "core/html/HTMLAllCollection.h"
     28 
     29 #include "core/dom/Element.h"
     30 #include "core/dom/NamedNodesCollection.h"
     31 
     32 namespace WebCore {
     33 
     34 PassRefPtr<HTMLAllCollection> HTMLAllCollection::create(Node* node, CollectionType type)
     35 {
     36     return adoptRef(new HTMLAllCollection(node, type));
     37 }
     38 
     39 HTMLAllCollection::HTMLAllCollection(Node* node, CollectionType type)
     40     : HTMLCollection(node, type, DoesNotOverrideItemAfter)
     41 {
     42     ScriptWrappable::init(this);
     43 }
     44 
     45 HTMLAllCollection::~HTMLAllCollection()
     46 {
     47 }
     48 
     49 Node* HTMLAllCollection::namedItemWithIndex(const AtomicString& name, unsigned index) const
     50 {
     51     updateNameCache();
     52 
     53     if (Vector<Element*>* cache = idCache(name)) {
     54         if (index < cache->size())
     55             return cache->at(index);
     56         index -= cache->size();
     57     }
     58 
     59     if (Vector<Element*>* cache = nameCache(name)) {
     60         if (index < cache->size())
     61             return cache->at(index);
     62     }
     63 
     64     return 0;
     65 }
     66 
     67 void HTMLAllCollection::anonymousNamedGetter(const AtomicString& name, bool& returnValue0Enabled, RefPtr<NodeList>& returnValue0, bool& returnValue1Enabled, RefPtr<Node>& returnValue1)
     68 {
     69     Vector<RefPtr<Node> > namedItems;
     70     this->namedItems(name, namedItems);
     71 
     72     if (!namedItems.size())
     73         return;
     74 
     75     if (namedItems.size() == 1) {
     76         returnValue1Enabled = true;
     77         returnValue1 = namedItems.at(0);
     78         return;
     79     }
     80 
     81     // FIXME: HTML5 specification says this should be a HTMLCollection.
     82     // http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#htmlallcollection
     83     returnValue0Enabled = true;
     84     returnValue0 = NamedNodesCollection::create(namedItems);
     85 }
     86 
     87 PassRefPtr<NodeList> HTMLAllCollection::tags(const String& name)
     88 {
     89     return ownerNode()->getElementsByTagName(name);
     90 }
     91 
     92 } // namespace WebCore
     93