Remove remaining HTML elements

sky/engine/core/html/parser/HTMLConstructionSite.h

-/*
- * Copyright (C) 2010 Google, Inc. All Rights Reserved.
- * Copyright (C) 2011 Apple 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:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``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 GOOGLE INC. 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.
- */
-
-#ifndef SKY_ENGINE_CORE_HTML_PARSER_HTMLCONSTRUCTIONSITE_H_
-#define SKY_ENGINE_CORE_HTML_PARSER_HTMLCONSTRUCTIONSITE_H_
-
-#include "sky/engine/core/dom/Document.h"
-#include "sky/engine/core/html/parser/HTMLElementStack.h"
-#include "sky/engine/wtf/Noncopyable.h"
-#include "sky/engine/wtf/PassRefPtr.h"
-#include "sky/engine/wtf/RefPtr.h"
-#include "sky/engine/wtf/Vector.h"
-#include "sky/engine/wtf/text/StringBuilder.h"
-
-namespace blink {
-
-struct HTMLConstructionSiteTask {
-    ALLOW_ONLY_INLINE_ALLOCATION();
-public:
-    enum Operation {
-        Insert,
-        InsertText, // Handles possible merging of text nodes.
-    };
-
-    explicit HTMLConstructionSiteTask(Operation op)
-        : operation(op)
-        , selfClosing(false)
-    {
-    }
-
-    Operation operation;
-    RefPtr<ContainerNode> parent;
-    RefPtr<Node> child;
-    bool selfClosing;
-};
-
-} // namespace blink
-
-WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(blink::HTMLConstructionSiteTask);
-
-namespace blink {
-
-class AtomicHTMLToken;
-class Document;
-class Element;
-
-class HTMLConstructionSite final {
-    WTF_MAKE_NONCOPYABLE(HTMLConstructionSite);
-    DISALLOW_ALLOCATION();
-public:
-    explicit HTMLConstructionSite(Document*);
-    explicit HTMLConstructionSite(DocumentFragment*);
-    ~HTMLConstructionSite();
-
-    void detach();
-
-    // executeQueuedTasks empties the queue but does not flush pending text.
-    // NOTE: Possible reentrancy via JavaScript execution.
-    void executeQueuedTasks();
-
-    // flushPendingText turns pending text into queued Text insertions, but does not execute them.
-    void flushPendingText();
-
-    // Called before every token in HTMLTreeBuilder::processToken, thus inlined:
-    void flush()
-    {
-        if (!hasPendingTasks())
-            return;
-        flushPendingText();
-        executeQueuedTasks(); // NOTE: Possible reentrancy via JavaScript execution.
-        ASSERT(!hasPendingTasks());
-    }
-
-    bool hasPendingTasks()
-    {
-        return !m_pendingText.isEmpty() || !m_taskQueue.isEmpty();
-    }
-
-    void processEndOfFile();
-    void finishedParsing();
-
-    void insertHTMLElement(AtomicHTMLToken*);
-    void insertSelfClosingHTMLElement(AtomicHTMLToken*);
-    void insertScriptElement(AtomicHTMLToken*);
-    void insertTextNode(const String&);
-
-    bool isEmpty() const { return !m_openElements.stackDepth(); }
-    Element* currentElement() const { return m_openElements.top(); }
-    ContainerNode* currentNode() const { return m_openElements.topNode(); }
-    Document& ownerDocumentForCurrentNode();
-    HTMLElementStack* openElements() const { return &m_openElements; }
-
-private:
-    // In the common case, this queue will have only one task because most
-    // tokens produce only one DOM mutation.
-    typedef Vector<HTMLConstructionSiteTask, 1> TaskQueue;
-
-    void attachLater(ContainerNode* parent, PassRefPtr<Node> child, bool selfClosing = false);
-
-    PassRefPtr<Element> createElement(AtomicHTMLToken*);
-
-    void queueTask(const HTMLConstructionSiteTask&);
-
-    RawPtr<Document> m_document;
-
-    // This is the root ContainerNode to which the parser attaches all newly
-    // constructed nodes. It points to a DocumentFragment when parsing fragments
-    // and a Document in all other cases.
-    RawPtr<ContainerNode> m_attachmentRoot;
-
-    mutable HTMLElementStack m_openElements;
-
-    TaskQueue m_taskQueue;
-
-    class PendingText {
-        DISALLOW_ALLOCATION();
-    public:
-        PendingText()
-        {
-        }
-
-        void append(PassRefPtr<ContainerNode> newParent, const String& newString)
-        {
-            ASSERT(!parent || parent == newParent);
-            parent = newParent;
-            stringBuilder.append(newString);
-        }
-
-        void swap(PendingText& other)
-        {
-            parent.swap(other.parent);
-            stringBuilder.swap(other.stringBuilder);
-        }
-
-        void discard()
-        {
-            PendingText discardedText;
-            swap(discardedText);
-        }
-
-        bool isEmpty()
-        {
-            // When the stringbuilder is empty, the parent should also be "empty".
-            ASSERT(stringBuilder.isEmpty() == !parent);
-            ASSERT(!stringBuilder.isEmpty() || !nextChild);
-            return stringBuilder.isEmpty();
-        }
-
-        RefPtr<ContainerNode> parent;
-        RefPtr<Node> nextChild;
-        StringBuilder stringBuilder;
-    };
-
-    PendingText m_pendingText;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_HTML_PARSER_HTMLCONSTRUCTIONSITE_H_