| /* |
| * 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, 2008, 2012 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 Attribute_h |
| #define Attribute_h |
| |
| #include "QualifiedName.h" |
| |
| namespace WebCore { |
| |
| // This has no counterpart in DOM. |
| // It is an internal representation of the node value of an Attr. |
| // The actual Attr with its value as a Text child is allocated only if needed. |
| class Attribute { |
| public: |
| Attribute(const QualifiedName& name, const AtomicString& value) |
| : m_name(name) |
| , m_value(value) |
| { |
| } |
| |
| // NOTE: The references returned by these functions are only valid for as long |
| // as the Attribute stays in place. For example, calling a function that mutates |
| // an Element's internal attribute storage may invalidate them. |
| const AtomicString& value() const { return m_value; } |
| const AtomicString& prefix() const { return m_name.prefix(); } |
| const AtomicString& localName() const { return m_name.localName(); } |
| const AtomicString& namespaceURI() const { return m_name.namespaceURI(); } |
| |
| const QualifiedName& name() const { return m_name; } |
| |
| bool isEmpty() const { return m_value.isEmpty(); } |
| bool matches(const AtomicString& prefix, const AtomicString& localName, const AtomicString& namespaceURI) const; |
| |
| void setValue(const AtomicString& value) { m_value = value; } |
| void setPrefix(const AtomicString& prefix) { m_name.setPrefix(prefix); } |
| |
| // Note: This API is only for HTMLTreeBuilder. It is not safe to change the |
| // name of an attribute once parseAttribute has been called as DOM |
| // elements may have placed the Attribute in a hash by name. |
| void parserSetName(const QualifiedName& name) { m_name = name; } |
| |
| #if COMPILER(MSVC) |
| // NOTE: This constructor is not actually implemented, it's just defined so MSVC |
| // will let us use a zero-length array of Attributes. |
| Attribute(); |
| #endif |
| |
| private: |
| QualifiedName m_name; |
| AtomicString m_value; |
| }; |
| |
| inline bool Attribute::matches(const AtomicString& prefix, const AtomicString& localName, const AtomicString& namespaceURI) const |
| { |
| if (localName != this->localName()) |
| return false; |
| return prefix == starAtom || namespaceURI == this->namespaceURI(); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // Attribute_h |