| /* |
| * 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 HTMLConstructionSite_h |
| #define HTMLConstructionSite_h |
| |
| #include "FragmentScriptingPermission.h" |
| #include "HTMLElementStack.h" |
| #include "HTMLFormattingElementList.h" |
| #include "NotImplemented.h" |
| #include <wtf/Noncopyable.h> |
| #include <wtf/PassRefPtr.h> |
| #include <wtf/RefPtr.h> |
| |
| namespace WebCore { |
| |
| class AtomicHTMLToken; |
| class Document; |
| class Element; |
| |
| class HTMLConstructionSite { |
| WTF_MAKE_NONCOPYABLE(HTMLConstructionSite); |
| public: |
| HTMLConstructionSite(Document*); |
| HTMLConstructionSite(DocumentFragment*, FragmentScriptingPermission); |
| ~HTMLConstructionSite(); |
| |
| void detach(); |
| |
| void insertDoctype(AtomicHTMLToken&); |
| void insertComment(AtomicHTMLToken&); |
| void insertCommentOnDocument(AtomicHTMLToken&); |
| void insertCommentOnHTMLHtmlElement(AtomicHTMLToken&); |
| void insertHTMLElement(AtomicHTMLToken&); |
| void insertSelfClosingHTMLElement(AtomicHTMLToken&); |
| void insertFormattingElement(AtomicHTMLToken&); |
| void insertHTMLHeadElement(AtomicHTMLToken&); |
| void insertHTMLBodyElement(AtomicHTMLToken&); |
| void insertHTMLFormElement(AtomicHTMLToken&, bool isDemoted = false); |
| void insertScriptElement(AtomicHTMLToken&); |
| void insertTextNode(const String&); |
| void insertForeignElement(AtomicHTMLToken&, const AtomicString& namespaceURI); |
| |
| void insertHTMLHtmlStartTagBeforeHTML(AtomicHTMLToken&); |
| void insertHTMLHtmlStartTagInBody(AtomicHTMLToken&); |
| void insertHTMLBodyStartTagInBody(AtomicHTMLToken&); |
| |
| PassRefPtr<Element> createHTMLElement(AtomicHTMLToken&); |
| PassRefPtr<Element> createHTMLElementFromElementRecord(HTMLElementStack::ElementRecord*); |
| |
| bool shouldFosterParent() const; |
| void fosterParent(Node*); |
| |
| bool indexOfFirstUnopenFormattingElement(unsigned& firstUnopenElementIndex) const; |
| void reconstructTheActiveFormattingElements(); |
| |
| void generateImpliedEndTags(); |
| void generateImpliedEndTagsWithExclusion(const AtomicString& tagName); |
| |
| Element* currentElement() const { return m_openElements.top(); } |
| ContainerNode* currentNode() const { return m_openElements.topNode(); } |
| Element* oneBelowTop() const { return m_openElements.oneBelowTop(); } |
| |
| HTMLElementStack* openElements() const { return &m_openElements; } |
| HTMLFormattingElementList* activeFormattingElements() const { return &m_activeFormattingElements; } |
| |
| Element* head() const { return m_head.get(); } |
| |
| void setForm(HTMLFormElement*); |
| HTMLFormElement* form() const { return m_form.get(); } |
| PassRefPtr<HTMLFormElement> takeForm(); |
| |
| class RedirectToFosterParentGuard { |
| WTF_MAKE_NONCOPYABLE(RedirectToFosterParentGuard); |
| public: |
| RedirectToFosterParentGuard(HTMLConstructionSite& tree) |
| : m_tree(tree) |
| , m_wasRedirectingBefore(tree.m_redirectAttachToFosterParent) |
| { |
| m_tree.m_redirectAttachToFosterParent = true; |
| } |
| |
| ~RedirectToFosterParentGuard() |
| { |
| m_tree.m_redirectAttachToFosterParent = m_wasRedirectingBefore; |
| } |
| |
| private: |
| HTMLConstructionSite& m_tree; |
| bool m_wasRedirectingBefore; |
| }; |
| |
| private: |
| struct AttachmentSite { |
| ContainerNode* parent; |
| Node* nextChild; |
| }; |
| |
| template<typename ChildType> |
| PassRefPtr<ChildType> attach(ContainerNode* parent, PassRefPtr<ChildType> child); |
| PassRefPtr<Element> attachToCurrent(PassRefPtr<Element>); |
| |
| void attachAtSite(const AttachmentSite&, PassRefPtr<Node> child); |
| void findFosterSite(AttachmentSite&); |
| |
| PassRefPtr<Element> createHTMLElementFromSavedElement(Element*); |
| PassRefPtr<Element> createElement(AtomicHTMLToken&, const AtomicString& namespaceURI); |
| |
| void mergeAttributesFromTokenIntoElement(AtomicHTMLToken&, Element*); |
| void dispatchDocumentElementAvailableIfNeeded(); |
| |
| 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. |
| ContainerNode* m_attachmentRoot; |
| |
| RefPtr<Element> m_head; |
| RefPtr<HTMLFormElement> m_form; |
| mutable HTMLElementStack m_openElements; |
| mutable HTMLFormattingElementList m_activeFormattingElements; |
| |
| FragmentScriptingPermission m_fragmentScriptingPermission; |
| bool m_isParsingFragment; |
| |
| // http://www.whatwg.org/specs/web-apps/current-work/multipage/tokenization.html#parsing-main-intable |
| // In the "in table" insertion mode, we sometimes get into a state where |
| // "whenever a node would be inserted into the current node, it must instead |
| // be foster parented." This flag tracks whether we're in that state. |
| bool m_redirectAttachToFosterParent; |
| }; |
| |
| } |
| |
| #endif |