| /* |
| * Copyright (C) 2012 Company 100, 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 THIRD_PARTY_BLINK_RENDERER_CORE_HTML_PARSER_HTML_STACK_ITEM_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_PARSER_HTML_STACK_ITEM_H_ |
| |
| #include "third_party/blink/renderer/core/dom/element.h" |
| #include "third_party/blink/renderer/core/html/parser/atomic_html_token.h" |
| #include "third_party/blink/renderer/core/html_names.h" |
| #include "third_party/blink/renderer/core/mathml_names.h" |
| #include "third_party/blink/renderer/core/svg_names.h" |
| #include "third_party/blink/renderer/platform/wtf/text/atomic_string.h" |
| |
| namespace blink { |
| |
| class ContainerNode; |
| |
| class HTMLStackItem : public GarbageCollectedFinalized<HTMLStackItem> { |
| public: |
| enum ItemType { kItemForContextElement, kItemForDocumentFragmentNode }; |
| |
| HTMLStackItem(ContainerNode* node, ItemType type) : node_(node) { |
| switch (type) { |
| case kItemForDocumentFragmentNode: |
| is_document_fragment_node_ = true; |
| break; |
| case kItemForContextElement: |
| token_local_name_ = GetElement()->localName(); |
| namespace_uri_ = GetElement()->namespaceURI(); |
| is_document_fragment_node_ = false; |
| break; |
| } |
| } |
| |
| HTMLStackItem( |
| ContainerNode* node, |
| AtomicHTMLToken* token, |
| const AtomicString& namespace_uri = html_names::xhtmlNamespaceURI) |
| : node_(node), |
| token_local_name_(token->GetName()), |
| token_attributes_(token->Attributes()), |
| namespace_uri_(namespace_uri), |
| is_document_fragment_node_(false) {} |
| |
| Element* GetElement() const { return ToElement(node_.Get()); } |
| ContainerNode* GetNode() const { return node_.Get(); } |
| |
| bool IsDocumentFragmentNode() const { return is_document_fragment_node_; } |
| bool IsElementNode() const { return !is_document_fragment_node_; } |
| |
| const AtomicString& NamespaceURI() const { return namespace_uri_; } |
| const AtomicString& LocalName() const { return token_local_name_; } |
| |
| const Vector<Attribute>& Attributes() const { |
| DCHECK(token_local_name_); |
| return token_attributes_; |
| } |
| Attribute* GetAttributeItem(const QualifiedName& attribute_name) { |
| DCHECK(token_local_name_); |
| return FindAttributeInVector(token_attributes_, attribute_name); |
| } |
| |
| bool HasLocalName(const AtomicString& name) const { |
| return token_local_name_ == name; |
| } |
| bool HasTagName(const QualifiedName& name) const { |
| return token_local_name_ == name.LocalName() && |
| namespace_uri_ == name.NamespaceURI(); |
| } |
| |
| bool MatchesHTMLTag(const AtomicString& name) const { |
| return token_local_name_ == name && |
| namespace_uri_ == html_names::xhtmlNamespaceURI; |
| } |
| bool MatchesHTMLTag(const QualifiedName& name) const { |
| return token_local_name_ == name && |
| namespace_uri_ == html_names::xhtmlNamespaceURI; |
| } |
| |
| bool CausesFosterParenting() { |
| return HasTagName(html_names::kTableTag) || |
| HasTagName(html_names::kTbodyTag) || |
| HasTagName(html_names::kTfootTag) || |
| HasTagName(html_names::kTheadTag) || HasTagName(html_names::kTrTag); |
| } |
| |
| bool IsInHTMLNamespace() const { |
| // A DocumentFragment takes the place of the document element when parsing |
| // fragments and should be considered in the HTML namespace. |
| return NamespaceURI() == html_names::xhtmlNamespaceURI || |
| IsDocumentFragmentNode(); // FIXME: Does this also apply to |
| // ShadowRoot? |
| } |
| |
| bool IsNumberedHeaderElement() const { |
| return HasTagName(html_names::kH1Tag) || HasTagName(html_names::kH2Tag) || |
| HasTagName(html_names::kH3Tag) || HasTagName(html_names::kH4Tag) || |
| HasTagName(html_names::kH5Tag) || HasTagName(html_names::kH6Tag); |
| } |
| |
| bool IsTableBodyContextElement() const { |
| return HasTagName(html_names::kTbodyTag) || |
| HasTagName(html_names::kTfootTag) || |
| HasTagName(html_names::kTheadTag); |
| } |
| |
| // http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#special |
| bool IsSpecialNode() const { |
| if (HasTagName(mathml_names::kMiTag) || HasTagName(mathml_names::kMoTag) || |
| HasTagName(mathml_names::kMnTag) || HasTagName(mathml_names::kMsTag) || |
| HasTagName(mathml_names::kMtextTag) || |
| HasTagName(mathml_names::kAnnotationXmlTag) || |
| HasTagName(svg_names::kForeignObjectTag) || |
| HasTagName(svg_names::kDescTag) || HasTagName(svg_names::kTitleTag)) |
| return true; |
| if (IsDocumentFragmentNode()) |
| return true; |
| if (!IsInHTMLNamespace()) |
| return false; |
| const AtomicString& tag_name = LocalName(); |
| return tag_name == html_names::kAddressTag || |
| tag_name == html_names::kAreaTag || |
| tag_name == html_names::kAppletTag || |
| tag_name == html_names::kArticleTag || |
| tag_name == html_names::kAsideTag || |
| tag_name == html_names::kBaseTag || |
| tag_name == html_names::kBasefontTag || |
| tag_name == html_names::kBgsoundTag || |
| tag_name == html_names::kBlockquoteTag || |
| tag_name == html_names::kBodyTag || tag_name == html_names::kBrTag || |
| tag_name == html_names::kButtonTag || |
| tag_name == html_names::kCaptionTag || |
| tag_name == html_names::kCenterTag || |
| tag_name == html_names::kColTag || |
| tag_name == html_names::kColgroupTag || |
| tag_name == html_names::kCommandTag || |
| tag_name == html_names::kDdTag || |
| tag_name == html_names::kDetailsTag || |
| tag_name == html_names::kDirTag || tag_name == html_names::kDivTag || |
| tag_name == html_names::kDlTag || tag_name == html_names::kDtTag || |
| tag_name == html_names::kEmbedTag || |
| tag_name == html_names::kFieldsetTag || |
| tag_name == html_names::kFigcaptionTag || |
| tag_name == html_names::kFigureTag || |
| tag_name == html_names::kFooterTag || |
| tag_name == html_names::kFormTag || |
| tag_name == html_names::kFrameTag || |
| tag_name == html_names::kFramesetTag || IsNumberedHeaderElement() || |
| tag_name == html_names::kHeadTag || |
| tag_name == html_names::kHeaderTag || |
| tag_name == html_names::kHgroupTag || |
| tag_name == html_names::kHrTag || tag_name == html_names::kHTMLTag || |
| tag_name == html_names::kIFrameTag || |
| tag_name == html_names::kImgTag || |
| tag_name == html_names::kInputTag || |
| tag_name == html_names::kLiTag || tag_name == html_names::kLinkTag || |
| tag_name == html_names::kListingTag || |
| tag_name == html_names::kMainTag || |
| tag_name == html_names::kMarqueeTag || |
| tag_name == html_names::kMenuTag || |
| tag_name == html_names::kMetaTag || |
| tag_name == html_names::kNavTag || |
| tag_name == html_names::kNoembedTag || |
| tag_name == html_names::kNoframesTag || |
| tag_name == html_names::kNoscriptTag || |
| tag_name == html_names::kObjectTag || |
| tag_name == html_names::kOlTag || tag_name == html_names::kPTag || |
| tag_name == html_names::kParamTag || |
| tag_name == html_names::kPlaintextTag || |
| tag_name == html_names::kPreTag || |
| tag_name == html_names::kScriptTag || |
| tag_name == html_names::kSectionTag || |
| tag_name == html_names::kSelectTag || |
| tag_name == html_names::kStyleTag || |
| tag_name == html_names::kSummaryTag || |
| tag_name == html_names::kTableTag || IsTableBodyContextElement() || |
| tag_name == html_names::kTdTag || |
| tag_name == html_names::kTemplateTag || |
| tag_name == html_names::kTextareaTag || |
| tag_name == html_names::kThTag || |
| tag_name == html_names::kTitleTag || |
| tag_name == html_names::kTrTag || tag_name == html_names::kUlTag || |
| tag_name == html_names::kWbrTag || tag_name == html_names::kXmpTag; |
| } |
| |
| void Trace(Visitor* visitor) { visitor->Trace(node_); } |
| |
| private: |
| Member<ContainerNode> node_; |
| |
| AtomicString token_local_name_; |
| Vector<Attribute> token_attributes_; |
| AtomicString namespace_uri_; |
| bool is_document_fragment_node_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_PARSER_HTML_STACK_ITEM_H_ |
