| /* |
| * 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 THIRD_PARTY_BLINK_RENDERER_CORE_DOM_ATTRIBUTE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_ATTRIBUTE_H_ |
| |
| #include "build/build_config.h" |
| #include "third_party/blink/renderer/core/dom/qualified_name.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| |
| namespace blink { |
| |
| // This is the internal representation of an attribute, consisting of a name and |
| // value. It is distinct from the web-exposed Attr, which also knows of the |
| // element to which it attached, if any. |
| class Attribute { |
| DISALLOW_NEW(); |
| |
| public: |
| Attribute(const QualifiedName& name, const AtomicString& value) |
| : name_(name), 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 value_; } |
| const AtomicString& Prefix() const { return name_.Prefix(); } |
| const AtomicString& LocalName() const { return name_.LocalName(); } |
| const AtomicString& NamespaceURI() const { return name_.NamespaceURI(); } |
| |
| const QualifiedName& GetName() const { return name_; } |
| |
| bool IsEmpty() const { return value_.IsEmpty(); } |
| bool Matches(const QualifiedName&) const; |
| bool MatchesCaseInsensitive(const QualifiedName&) const; |
| |
| void SetValue(const AtomicString& value) { value_ = value; } |
| |
| // 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) { name_ = name; } |
| |
| #if defined(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 name_; |
| AtomicString value_; |
| }; |
| |
| inline bool Attribute::Matches(const QualifiedName& qualified_name) const { |
| if (qualified_name.LocalName() != LocalName()) |
| return false; |
| return qualified_name.Prefix() == g_star_atom || |
| qualified_name.NamespaceURI() == NamespaceURI(); |
| } |
| |
| inline bool Attribute::MatchesCaseInsensitive( |
| const QualifiedName& qualified_name) const { |
| return qualified_name.LocalNameUpper() == name_.LocalNameUpper() && |
| (qualified_name.Prefix() == g_star_atom || |
| qualified_name.NamespaceURI() == NamespaceURI()); |
| } |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_ATTRIBUTE_H_ |