| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2001 Peter Kelly (pmk@post.com) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights |
| * reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef Attr_h |
| #define Attr_h |
| |
| #include "core/CoreExport.h" |
| #include "core/dom/Node.h" |
| #include "core/dom/QualifiedName.h" |
| #include "platform/bindings/TraceWrapperMember.h" |
| |
| namespace blink { |
| |
| class CORE_EXPORT Attr final : public Node { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| static Attr* Create(Element&, const QualifiedName&); |
| static Attr* Create(Document&, |
| const QualifiedName&, |
| const AtomicString& value); |
| ~Attr() override; |
| |
| String name() const { return name_.ToString(); } |
| bool specified() const { return true; } |
| Element* ownerElement() const { return element_; } |
| |
| const AtomicString& value() const; |
| void setValue(const AtomicString&); |
| |
| const QualifiedName GetQualifiedName() const; |
| |
| void AttachToElement(Element*, const AtomicString&); |
| void DetachFromElementWithValue(const AtomicString&); |
| |
| const AtomicString& localName() const { return name_.LocalName(); } |
| const AtomicString& namespaceURI() const { return name_.NamespaceURI(); } |
| const AtomicString& prefix() const { return name_.Prefix(); } |
| |
| virtual void Trace(blink::Visitor*); |
| virtual void TraceWrappers(const ScriptWrappableVisitor*) const; |
| |
| private: |
| Attr(Element&, const QualifiedName&); |
| Attr(Document&, const QualifiedName&, const AtomicString& value); |
| |
| bool IsElementNode() const = |
| delete; // This will catch anyone doing an unnecessary check. |
| |
| String nodeName() const override { return name(); } |
| NodeType getNodeType() const override { return kAttributeNode; } |
| |
| String nodeValue() const override { return value(); } |
| void setNodeValue(const String&) override; |
| Node* cloneNode(bool deep, ExceptionState&) override; |
| |
| bool IsAttributeNode() const override { return true; } |
| |
| // Attr wraps either an element/name, or a name/value pair (when it's a |
| // standalone Node.) |
| // Note that m_name is always set, but m_element/m_standaloneValue may be |
| // null. |
| TraceWrapperMember<Element> element_; |
| QualifiedName name_; |
| // Holds the value if it is a standalone Node, or the local name of the |
| // attribute it is attached to on an Element. The latter may (letter case) |
| // differ from m_name's local name. As these two modes are non-overlapping, |
| // use a single field. |
| AtomicString standalone_value_or_attached_local_name_; |
| }; |
| |
| DEFINE_NODE_TYPE_CASTS(Attr, IsAttributeNode()); |
| |
| } // namespace blink |
| |
| #endif // Attr_h |